* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/intmath.h"
#include "avcodec.h"
#include "dsputil.h"
+#include "dwt.h"
#include "snow.h"
#include "rangecoder.h"
+#include "mathops.h"
#include "mpegvideo.h"
+#include "h263.h"
#undef NDEBUG
#include <assert.h>
#if 0 //64*cubic
static const uint8_t obmc32[1024]={
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
- 0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
- 0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
- 0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
- 0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
- 0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
- 0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
- 0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
- 0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
- 0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
- 0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
- 0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
- 0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
- 0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
- 0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
- 0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
- 0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
- 0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
- 0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
- 0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
- 0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
- 0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
- 0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
- 0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
- 0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
- 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
+ 0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
+ 0, 0, 4, 4, 8, 8, 12, 16, 16, 20, 24, 24, 28, 28, 32, 32, 32, 32, 28, 28, 24, 24, 20, 16, 16, 12, 8, 8, 4, 4, 0, 0,
+ 0, 0, 4, 8, 8, 12, 16, 24, 28, 32, 36, 40, 44, 48, 48, 48, 48, 48, 48, 44, 40, 36, 32, 28, 24, 16, 12, 8, 8, 4, 0, 0,
+ 0, 4, 4, 8, 12, 20, 24, 32, 40, 44, 52, 56, 60, 64, 68, 72, 72, 68, 64, 60, 56, 52, 44, 40, 32, 24, 20, 12, 8, 4, 4, 0,
+ 0, 4, 4, 12, 16, 24, 32, 40, 52, 60, 68, 76, 80, 88, 88, 92, 92, 88, 88, 80, 76, 68, 60, 52, 40, 32, 24, 16, 12, 4, 4, 0,
+ 0, 4, 8, 16, 24, 32, 40, 52, 64, 76, 84, 92,100,108,112,116,116,112,108,100, 92, 84, 76, 64, 52, 40, 32, 24, 16, 8, 4, 0,
+ 0, 4, 8, 16, 28, 40, 52, 64, 76, 88,100,112,124,132,136,140,140,136,132,124,112,100, 88, 76, 64, 52, 40, 28, 16, 8, 4, 0,
+ 0, 4, 12, 20, 32, 44, 60, 76, 88,104,120,132,144,152,160,164,164,160,152,144,132,120,104, 88, 76, 60, 44, 32, 20, 12, 4, 0,
+ 0, 4, 12, 24, 36, 48, 68, 84,100,120,136,152,164,176,180,184,184,180,176,164,152,136,120,100, 84, 68, 48, 36, 24, 12, 4, 0,
+ 0, 4, 12, 24, 40, 56, 76, 92,112,132,152,168,180,192,204,208,208,204,192,180,168,152,132,112, 92, 76, 56, 40, 24, 12, 4, 0,
+ 0, 4, 16, 28, 44, 60, 80,100,124,144,164,180,196,208,220,224,224,220,208,196,180,164,144,124,100, 80, 60, 44, 28, 16, 4, 0,
+ 0, 8, 16, 28, 48, 64, 88,108,132,152,176,192,208,224,232,240,240,232,224,208,192,176,152,132,108, 88, 64, 48, 28, 16, 8, 0,
+ 0, 4, 16, 32, 48, 68, 88,112,136,160,180,204,220,232,244,248,248,244,232,220,204,180,160,136,112, 88, 68, 48, 32, 16, 4, 0,
+ 1, 8, 16, 32, 48, 72, 92,116,140,164,184,208,224,240,248,255,255,248,240,224,208,184,164,140,116, 92, 72, 48, 32, 16, 8, 1,
+ 1, 8, 16, 32, 48, 72, 92,116,140,164,184,208,224,240,248,255,255,248,240,224,208,184,164,140,116, 92, 72, 48, 32, 16, 8, 1,
+ 0, 4, 16, 32, 48, 68, 88,112,136,160,180,204,220,232,244,248,248,244,232,220,204,180,160,136,112, 88, 68, 48, 32, 16, 4, 0,
+ 0, 8, 16, 28, 48, 64, 88,108,132,152,176,192,208,224,232,240,240,232,224,208,192,176,152,132,108, 88, 64, 48, 28, 16, 8, 0,
+ 0, 4, 16, 28, 44, 60, 80,100,124,144,164,180,196,208,220,224,224,220,208,196,180,164,144,124,100, 80, 60, 44, 28, 16, 4, 0,
+ 0, 4, 12, 24, 40, 56, 76, 92,112,132,152,168,180,192,204,208,208,204,192,180,168,152,132,112, 92, 76, 56, 40, 24, 12, 4, 0,
+ 0, 4, 12, 24, 36, 48, 68, 84,100,120,136,152,164,176,180,184,184,180,176,164,152,136,120,100, 84, 68, 48, 36, 24, 12, 4, 0,
+ 0, 4, 12, 20, 32, 44, 60, 76, 88,104,120,132,144,152,160,164,164,160,152,144,132,120,104, 88, 76, 60, 44, 32, 20, 12, 4, 0,
+ 0, 4, 8, 16, 28, 40, 52, 64, 76, 88,100,112,124,132,136,140,140,136,132,124,112,100, 88, 76, 64, 52, 40, 28, 16, 8, 4, 0,
+ 0, 4, 8, 16, 24, 32, 40, 52, 64, 76, 84, 92,100,108,112,116,116,112,108,100, 92, 84, 76, 64, 52, 40, 32, 24, 16, 8, 4, 0,
+ 0, 4, 4, 12, 16, 24, 32, 40, 52, 60, 68, 76, 80, 88, 88, 92, 92, 88, 88, 80, 76, 68, 60, 52, 40, 32, 24, 16, 12, 4, 4, 0,
+ 0, 4, 4, 8, 12, 20, 24, 32, 40, 44, 52, 56, 60, 64, 68, 72, 72, 68, 64, 60, 56, 52, 44, 40, 32, 24, 20, 12, 8, 4, 4, 0,
+ 0, 0, 4, 8, 8, 12, 16, 24, 28, 32, 36, 40, 44, 48, 48, 48, 48, 48, 48, 44, 40, 36, 32, 28, 24, 16, 12, 8, 8, 4, 0, 0,
+ 0, 0, 4, 4, 8, 8, 12, 16, 16, 20, 24, 24, 28, 28, 32, 32, 32, 32, 28, 28, 24, 24, 20, 16, 16, 12, 8, 8, 4, 4, 0, 0,
+ 0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
+ 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
//error:0.000022
};
static const uint8_t obmc16[256]={
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
- 0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
- 0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
- 0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
- 0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
- 1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
- 1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
- 1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
- 1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
- 0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
- 0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
- 0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
- 0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
- 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
+ 0, 4, 4, 8, 16, 20, 20, 24, 24, 20, 20, 16, 8, 4, 4, 0,
+ 0, 4, 16, 24, 36, 44, 52, 60, 60, 52, 44, 36, 24, 16, 4, 0,
+ 0, 8, 24, 44, 60, 80, 96,104,104, 96, 80, 60, 44, 24, 8, 0,
+ 0, 16, 36, 60, 92,116,136,152,152,136,116, 92, 60, 36, 16, 0,
+ 0, 20, 44, 80,116,152,180,196,196,180,152,116, 80, 44, 20, 0,
+ 4, 20, 52, 96,136,180,212,228,228,212,180,136, 96, 52, 20, 4,
+ 4, 24, 60,104,152,196,228,248,248,228,196,152,104, 60, 24, 4,
+ 4, 24, 60,104,152,196,228,248,248,228,196,152,104, 60, 24, 4,
+ 4, 20, 52, 96,136,180,212,228,228,212,180,136, 96, 52, 20, 4,
+ 0, 20, 44, 80,116,152,180,196,196,180,152,116, 80, 44, 20, 0,
+ 0, 16, 36, 60, 92,116,136,152,152,136,116, 92, 60, 36, 16, 0,
+ 0, 8, 24, 44, 60, 80, 96,104,104, 96, 80, 60, 44, 24, 8, 0,
+ 0, 4, 16, 24, 36, 44, 52, 60, 60, 52, 44, 36, 24, 16, 4, 0,
+ 0, 4, 4, 8, 16, 20, 20, 24, 24, 20, 20, 16, 8, 4, 4, 0,
+ 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
//error:0.000033
};
#elif 1 // 64*linear
};
#else //64*cos
static const uint8_t obmc32[1024]={
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
- 0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
- 0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
- 0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
- 0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
- 0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
- 0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
- 0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
- 0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
- 0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
- 0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
- 0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
- 0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
- 0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
- 0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
- 0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
- 0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
- 0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
- 0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
- 0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
- 0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
- 0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
- 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
+ 0, 0, 4, 4, 4, 8, 8, 12, 16, 20, 20, 24, 28, 28, 28, 28, 28, 28, 28, 28, 24, 20, 20, 16, 12, 8, 8, 4, 4, 4, 0, 0,
+ 0, 0, 4, 4, 8, 12, 16, 20, 24, 28, 36, 40, 44, 44, 48, 48, 48, 48, 44, 44, 40, 36, 28, 24, 20, 16, 12, 8, 4, 4, 0, 0,
+ 0, 0, 4, 8, 12, 20, 24, 32, 36, 44, 48, 56, 60, 64, 68, 68, 68, 68, 64, 60, 56, 48, 44, 36, 32, 24, 20, 12, 8, 4, 0, 0,
+ 0, 4, 4, 8, 16, 24, 32, 40, 48, 60, 68, 76, 80, 84, 88, 92, 92, 88, 84, 80, 76, 68, 60, 48, 40, 32, 24, 16, 8, 4, 4, 0,
+ 0, 4, 8, 12, 20, 32, 40, 52, 64, 76, 84, 96,104,108,112,116,116,112,108,104, 96, 84, 76, 64, 52, 40, 32, 20, 12, 8, 4, 0,
+ 0, 4, 8, 16, 24, 36, 48, 64, 76, 92,104,116,124,132,136,140,140,136,132,124,116,104, 92, 76, 64, 48, 36, 24, 16, 8, 4, 0,
+ 0, 4, 12, 20, 28, 44, 60, 76, 92,104,120,136,148,156,160,164,164,160,156,148,136,120,104, 92, 76, 60, 44, 28, 20, 12, 4, 0,
+ 0, 4, 12, 20, 36, 48, 68, 84,104,120,140,152,168,176,184,188,188,184,176,168,152,140,120,104, 84, 68, 48, 36, 20, 12, 4, 0,
+ 0, 4, 12, 24, 36, 56, 76, 96,116,136,152,172,184,196,204,208,208,204,196,184,172,152,136,116, 96, 76, 56, 36, 24, 12, 4, 0,
+ 0, 4, 12, 24, 44, 60, 80,104,124,148,168,184,200,212,224,228,228,224,212,200,184,168,148,124,104, 80, 60, 44, 24, 12, 4, 0,
+ 0, 4, 12, 28, 44, 64, 84,108,132,156,176,196,212,228,236,240,240,236,228,212,196,176,156,132,108, 84, 64, 44, 28, 12, 4, 0,
+ 0, 4, 16, 28, 48, 68, 88,112,136,160,184,204,224,236,244,252,252,244,236,224,204,184,160,136,112, 88, 68, 48, 28, 16, 4, 0,
+ 1, 4, 16, 28, 48, 68, 92,116,140,164,188,208,228,240,252,255,255,252,240,228,208,188,164,140,116, 92, 68, 48, 28, 16, 4, 1,
+ 1, 4, 16, 28, 48, 68, 92,116,140,164,188,208,228,240,252,255,255,252,240,228,208,188,164,140,116, 92, 68, 48, 28, 16, 4, 1,
+ 0, 4, 16, 28, 48, 68, 88,112,136,160,184,204,224,236,244,252,252,244,236,224,204,184,160,136,112, 88, 68, 48, 28, 16, 4, 0,
+ 0, 4, 12, 28, 44, 64, 84,108,132,156,176,196,212,228,236,240,240,236,228,212,196,176,156,132,108, 84, 64, 44, 28, 12, 4, 0,
+ 0, 4, 12, 24, 44, 60, 80,104,124,148,168,184,200,212,224,228,228,224,212,200,184,168,148,124,104, 80, 60, 44, 24, 12, 4, 0,
+ 0, 4, 12, 24, 36, 56, 76, 96,116,136,152,172,184,196,204,208,208,204,196,184,172,152,136,116, 96, 76, 56, 36, 24, 12, 4, 0,
+ 0, 4, 12, 20, 36, 48, 68, 84,104,120,140,152,168,176,184,188,188,184,176,168,152,140,120,104, 84, 68, 48, 36, 20, 12, 4, 0,
+ 0, 4, 12, 20, 28, 44, 60, 76, 92,104,120,136,148,156,160,164,164,160,156,148,136,120,104, 92, 76, 60, 44, 28, 20, 12, 4, 0,
+ 0, 4, 8, 16, 24, 36, 48, 64, 76, 92,104,116,124,132,136,140,140,136,132,124,116,104, 92, 76, 64, 48, 36, 24, 16, 8, 4, 0,
+ 0, 4, 8, 12, 20, 32, 40, 52, 64, 76, 84, 96,104,108,112,116,116,112,108,104, 96, 84, 76, 64, 52, 40, 32, 20, 12, 8, 4, 0,
+ 0, 4, 4, 8, 16, 24, 32, 40, 48, 60, 68, 76, 80, 84, 88, 92, 92, 88, 84, 80, 76, 68, 60, 48, 40, 32, 24, 16, 8, 4, 4, 0,
+ 0, 0, 4, 8, 12, 20, 24, 32, 36, 44, 48, 56, 60, 64, 68, 68, 68, 68, 64, 60, 56, 48, 44, 36, 32, 24, 20, 12, 8, 4, 0, 0,
+ 0, 0, 4, 4, 8, 12, 16, 20, 24, 28, 36, 40, 44, 44, 48, 48, 48, 48, 44, 44, 40, 36, 28, 24, 20, 16, 12, 8, 4, 4, 0, 0,
+ 0, 0, 4, 4, 4, 8, 8, 12, 16, 20, 20, 24, 28, 28, 28, 28, 28, 28, 28, 28, 24, 20, 20, 16, 12, 8, 8, 4, 4, 4, 0, 0,
+ 0, 0, 0, 4, 4, 4, 4, 8, 8, 12, 12, 12, 12, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 8, 8, 4, 4, 4, 4, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
//error:0.000022
};
static const uint8_t obmc16[256]={
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
- 0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
- 0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
- 0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
- 1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
- 1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
- 0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
- 0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
- 1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
- 1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
- 0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
- 0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
- 0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
- 0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
+ 0, 0, 4, 8, 12, 16, 20, 20, 20, 20, 16, 12, 8, 4, 0, 0,
+ 0, 4, 12, 24, 32, 44, 52, 56, 56, 52, 44, 32, 24, 12, 4, 0,
+ 0, 8, 24, 40, 60, 80, 96,104,104, 96, 80, 60, 40, 24, 8, 0,
+ 0, 12, 32, 64, 92,120,140,152,152,140,120, 92, 64, 32, 12, 0,
+ 4, 16, 44, 80,120,156,184,196,196,184,156,120, 80, 44, 16, 4,
+ 4, 20, 52, 96,140,184,216,232,232,216,184,140, 96, 52, 20, 4,
+ 0, 20, 56,104,152,196,232,252,252,232,196,152,104, 56, 20, 0,
+ 0, 20, 56,104,152,196,232,252,252,232,196,152,104, 56, 20, 0,
+ 4, 20, 52, 96,140,184,216,232,232,216,184,140, 96, 52, 20, 4,
+ 4, 16, 44, 80,120,156,184,196,196,184,156,120, 80, 44, 16, 4,
+ 0, 12, 32, 64, 92,120,140,152,152,140,120, 92, 64, 32, 12, 0,
+ 0, 8, 24, 40, 60, 80, 96,104,104, 96, 80, 60, 40, 24, 8, 0,
+ 0, 4, 12, 24, 32, 44, 52, 56, 56, 52, 44, 32, 24, 12, 4, 0,
+ 0, 0, 4, 8, 12, 16, 20, 20, 20, 20, 16, 12, 8, 4, 0, 0,
+ 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0,
//error:0.000022
};
-#endif
+#endif /* 0 */
//linear *64
static const uint8_t obmc8[64]={
//error:0.000000
};
-static const uint8_t *obmc_tab[4]={
+static const uint8_t * const obmc_tab[4]={
obmc32, obmc16, obmc8, obmc4
};
#define LOG2_MB_SIZE 4
#define MB_SIZE (1<<LOG2_MB_SIZE)
#define ENCODER_EXTRA_BITS 4
-#define HTAPS 6
+#define HTAPS_MAX 8
typedef struct x_and_coeff{
int16_t x;
int stride;
int width;
int height;
- int qlog; ///< log(qscale)/log[2^(1/6)]
+ int qlog; ///< log(qscale)/log[2^(1/6)]
DWTELEM *buf;
IDWTELEM *ibuf;
int buf_x_offset;
int width;
int height;
SubBand band[MAX_DECOMPOSITIONS][4];
+
+ int htaps;
+ int8_t hcoeff[HTAPS_MAX/2];
+ int diag_mc;
+ int fast_mc;
+
+ int last_htaps;
+ int8_t last_hcoeff[HTAPS_MAX/2];
+ int last_diag_mc;
}Plane;
typedef struct SnowContext{
-// MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
AVCodecContext *avctx;
RangeCoder c;
DSPContext dsp;
+ DWTContext dwt;
AVFrame new_picture;
AVFrame input_picture; ///< new_picture with the internal linesizes
AVFrame current_picture;
int last_spatial_decomposition_type;
int temporal_decomposition_type;
int spatial_decomposition_count;
+ int last_spatial_decomposition_count;
int temporal_decomposition_count;
int max_ref_frames;
int ref_frames;
int me_cache_generation;
slice_buffer sb;
- MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independent of MpegEncContext, so this will be removed then (FIXME/XXX)
-}SnowContext;
-
-typedef struct {
- IDWTELEM *b0;
- IDWTELEM *b1;
- IDWTELEM *b2;
- IDWTELEM *b3;
- int y;
-} dwt_compose_t;
-
-#define slice_buffer_get_line(slice_buf, line_num) ((slice_buf)->line[line_num] ? (slice_buf)->line[line_num] : slice_buffer_load_line((slice_buf), (line_num)))
-//#define slice_buffer_get_line(slice_buf, line_num) (slice_buffer_load_line((slice_buf), (line_num)))
-
-static void iterative_me(SnowContext *s);
-
-static void slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, IDWTELEM * base_buffer)
-{
- int i;
-
- buf->base_buffer = base_buffer;
- buf->line_count = line_count;
- buf->line_width = line_width;
- buf->data_count = max_allocated_lines;
- buf->line = av_mallocz (sizeof(IDWTELEM *) * line_count);
- buf->data_stack = av_malloc (sizeof(IDWTELEM *) * max_allocated_lines);
-
- for (i = 0; i < max_allocated_lines; i++)
- {
- buf->data_stack[i] = av_malloc (sizeof(IDWTELEM) * line_width);
- }
-
- buf->data_stack_top = max_allocated_lines - 1;
-}
-
-static IDWTELEM * slice_buffer_load_line(slice_buffer * buf, int line)
-{
- int offset;
- IDWTELEM * buffer;
-
-// av_log(NULL, AV_LOG_DEBUG, "Cache hit: %d\n", line);
-
- assert(buf->data_stack_top >= 0);
-// assert(!buf->line[line]);
- if (buf->line[line])
- return buf->line[line];
-
- offset = buf->line_width * line;
- buffer = buf->data_stack[buf->data_stack_top];
- buf->data_stack_top--;
- buf->line[line] = buffer;
-
-// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_load_line: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
-
- return buffer;
-}
-
-static void slice_buffer_release(slice_buffer * buf, int line)
-{
- int offset;
- IDWTELEM * buffer;
-
- assert(line >= 0 && line < buf->line_count);
- assert(buf->line[line]);
-
- offset = buf->line_width * line;
- buffer = buf->line[line];
- buf->data_stack_top++;
- buf->data_stack[buf->data_stack_top] = buffer;
- buf->line[line] = NULL;
-
-// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_release: line: %d remaining: %d\n", line, buf->data_stack_top + 1);
-}
-
-static void slice_buffer_flush(slice_buffer * buf)
-{
- int i;
- for (i = 0; i < buf->line_count; i++)
- {
- if (buf->line[i])
- {
-// av_log(NULL, AV_LOG_DEBUG, "slice_buffer_flush: line: %d \n", i);
- slice_buffer_release(buf, i);
- }
- }
-}
-
-static void slice_buffer_destroy(slice_buffer * buf)
-{
- int i;
- slice_buffer_flush(buf);
+ MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)
- for (i = buf->data_count - 1; i >= 0; i--)
- {
- assert(buf->data_stack[i]);
- av_freep(&buf->data_stack[i]);
- }
- assert(buf->data_stack);
- av_freep(&buf->data_stack);
- assert(buf->line);
- av_freep(&buf->line);
-}
+ uint8_t *scratchbuf;
+}SnowContext;
#ifdef __sgi
// Avoid a name clash on SGI IRIX
#define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0
static uint8_t qexp[QROOT];
-static inline int mirror(int v, int m){
- while((unsigned)v > (unsigned)m){
- v=-v;
- if(v<0) v+= 2*m;
- }
- return v;
-}
-
static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){
int i;
for(i=0; i<e; i++){
put_rac(c, state+1+FFMIN(i,9), 1); //1..10
}
- put_rac(c, state+1+FFMIN(i,9), 0);
+ put_rac(c, state+1+9, 0);
for(i=e-1; i>=0; i--){
put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
}
if(is_signed)
- put_rac(c, state+11 + FFMIN(e,10), v < 0); //11..21
+ put_rac(c, state+11 + 10, v < 0); //11..21
}
-#endif
+#endif /* 1 */
}else{
put_rac(c, state+0, 1);
}
a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
}
- if(is_signed && get_rac(c, state+11 + FFMIN(e,10))) //11..21
- return -a;
- else
- return a;
+ e= -(is_signed && get_rac(c, state+11 + FFMIN(e,10))); //11..21
+ return (a^e)-e;
}
}
return v;
}
-static av_always_inline void
-lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
- int dst_step, int src_step, int ref_step,
- int width, int mul, int add, int shift,
- int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
-
-#define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
- if(mirror_left){
- dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
- dst += dst_step;
- src += src_step;
- }
-
- for(i=0; i<w; i++){
- dst[i*dst_step] =
- LIFT(src[i*src_step],
- ((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift),
- inverse);
- }
-
- if(mirror_right){
- dst[w*dst_step] =
- LIFT(src[w*src_step],
- ((mul*2*ref[w*ref_step]+add)>>shift),
- inverse);
- }
-}
+static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){
+ const int w= b->width;
+ const int h= b->height;
+ int x,y;
-static av_always_inline void
-inv_lift(IDWTELEM *dst, IDWTELEM *src, IDWTELEM *ref,
- int dst_step, int src_step, int ref_step,
- int width, int mul, int add, int shift,
- int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
+ int run, runs;
+ x_and_coeff *xc= b->x_coeff;
+ x_and_coeff *prev_xc= NULL;
+ x_and_coeff *prev2_xc= xc;
+ x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL;
+ x_and_coeff *prev_parent_xc= parent_xc;
-#define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
- if(mirror_left){
- dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
- dst += dst_step;
- src += src_step;
- }
+ runs= get_symbol2(&s->c, b->state[30], 0);
+ if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
+ else run= INT_MAX;
- for(i=0; i<w; i++){
- dst[i*dst_step] =
- LIFT(src[i*src_step],
- ((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift),
- inverse);
- }
+ for(y=0; y<h; y++){
+ int v=0;
+ int lt=0, t=0, rt=0;
- if(mirror_right){
- dst[w*dst_step] =
- LIFT(src[w*src_step],
- ((mul*2*ref[w*ref_step]+add)>>shift),
- inverse);
- }
-}
+ if(y && prev_xc->x == 0){
+ rt= prev_xc->coeff;
+ }
+ for(x=0; x<w; x++){
+ int p=0;
+ const int l= v;
+
+ lt= t; t= rt;
+
+ if(y){
+ if(prev_xc->x <= x)
+ prev_xc++;
+ if(prev_xc->x == x + 1)
+ rt= prev_xc->coeff;
+ else
+ rt=0;
+ }
+ if(parent_xc){
+ if(x>>1 > parent_xc->x){
+ parent_xc++;
+ }
+ if(x>>1 == parent_xc->x){
+ p= parent_xc->coeff;
+ }
+ }
+ if(/*ll|*/l|lt|t|rt|p){
+ int context= av_log2(/*FFABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
-#ifndef liftS
-static av_always_inline void
-liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
- int dst_step, int src_step, int ref_step,
- int width, int mul, int add, int shift,
- int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
+ v=get_rac(&s->c, &b->state[0][context]);
+ if(v){
+ v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
- assert(shift == 4);
-#define LIFTS(src, ref, inv) \
- ((inv) ? \
- (src) + (((ref) + 4*(src))>>shift): \
- -((-16*(src) + (ref) + add/4 + 1 + (5<<25))/(5*4) - (1<<23)))
- if(mirror_left){
- dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
- dst += dst_step;
- src += src_step;
- }
+ xc->x=x;
+ (xc++)->coeff= v;
+ }
+ }else{
+ if(!run){
+ if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
+ else run= INT_MAX;
+ v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1);
+ v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]);
+
+ xc->x=x;
+ (xc++)->coeff= v;
+ }else{
+ int max_run;
+ run--;
+ v=0;
+
+ if(y) max_run= FFMIN(run, prev_xc->x - x - 2);
+ else max_run= FFMIN(run, w-x-1);
+ if(parent_xc)
+ max_run= FFMIN(max_run, 2*parent_xc->x - x - 1);
+ x+= max_run;
+ run-= max_run;
+ }
+ }
+ }
+ (xc++)->x= w+1; //end marker
+ prev_xc= prev2_xc;
+ prev2_xc= xc;
- for(i=0; i<w; i++){
- dst[i*dst_step] =
- LIFTS(src[i*src_step],
- mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add,
- inverse);
+ if(parent_xc){
+ if(y&1){
+ while(parent_xc->x != parent->width+1)
+ parent_xc++;
+ parent_xc++;
+ prev_parent_xc= parent_xc;
+ }else{
+ parent_xc= prev_parent_xc;
+ }
+ }
}
- if(mirror_right){
- dst[w*dst_step] =
- LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
- }
+ (xc++)->x= w+1; //end marker
}
-static av_always_inline void
-inv_liftS(IDWTELEM *dst, IDWTELEM *src, IDWTELEM *ref,
- int dst_step, int src_step, int ref_step,
- int width, int mul, int add, int shift,
- int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
- assert(shift == 4);
-#define LIFTS(src, ref, inv) \
- ((inv) ? \
- (src) + (((ref) + 4*(src))>>shift): \
- -((-16*(src) + (ref) + add/4 + 1 + (5<<25))/(5*4) - (1<<23)))
- if(mirror_left){
- dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
- dst += dst_step;
- src += src_step;
- }
+static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){
+ const int w= b->width;
+ int y;
+ const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
+ int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
+ int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
+ int new_index = 0;
- for(i=0; i<w; i++){
- dst[i*dst_step] =
- LIFTS(src[i*src_step],
- mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add,
- inverse);
+ if(b->ibuf == s->spatial_idwt_buffer || s->qlog == LOSSLESS_QLOG){
+ qadd= 0;
+ qmul= 1<<QEXPSHIFT;
}
- if(mirror_right){
- dst[w*dst_step] =
- LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
- }
-}
-#endif
+ /* If we are on the second or later slice, restore our index. */
+ if (start_y != 0)
+ new_index = save_state[0];
-static void horizontal_decompose53i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int width2= width>>1;
- int x;
- const int w2= (width+1)>>1;
- for(x=0; x<width2; x++){
- temp[x ]= b[2*x ];
- temp[x+w2]= b[2*x + 1];
- }
- if(width&1)
- temp[x ]= b[2*x ];
-#if 0
- {
- int A1,A2,A3,A4;
- A2= temp[1 ];
- A4= temp[0 ];
- A1= temp[0+width2];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + 1)>>1;
- b[0+width2] = A1;
- b[0 ] = A4;
- for(x=1; x+1<width2; x+=2){
- A3= temp[x+width2];
- A4= temp[x+1 ];
- A3 -= (A2 + A4)>>1;
- A2 += (A1 + A3 + 2)>>2;
- b[x+width2] = A3;
- b[x ] = A2;
-
- A1= temp[x+1+width2];
- A2= temp[x+2 ];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + A3 + 2)>>2;
- b[x+1+width2] = A1;
- b[x+1 ] = A4;
- }
- A3= temp[width-1];
- A3 -= A2;
- A2 += (A1 + A3 + 2)>>2;
- b[width -1] = A3;
- b[width2-1] = A2;
+ for(y=start_y; y<h; y++){
+ int x = 0;
+ int v;
+ IDWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset;
+ memset(line, 0, b->width*sizeof(IDWTELEM));
+ v = b->x_coeff[new_index].coeff;
+ x = b->x_coeff[new_index++].x;
+ while(x < w){
+ register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT;
+ register int u= -(v&1);
+ line[x] = (t^u) - u;
+
+ v = b->x_coeff[new_index].coeff;
+ x = b->x_coeff[new_index++].x;
+ }
}
-#else
- lift(b+w2, temp+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
- lift(b , temp , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
-#endif
-}
-static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
+ /* Save our variables for the next slice. */
+ save_state[0] = new_index;
- for(i=0; i<width; i++){
- b1[i] -= (b0[i] + b2[i])>>1;
- }
+ return;
}
-static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
+static void reset_contexts(SnowContext *s){ //FIXME better initial contexts
+ int plane_index, level, orientation;
- for(i=0; i<width; i++){
- b1[i] += (b0[i] + b2[i] + 2)>>2;
+ for(plane_index=0; plane_index<3; plane_index++){
+ for(level=0; level<MAX_DECOMPOSITIONS; level++){
+ for(orientation=level ? 1:0; orientation<4; orientation++){
+ memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
+ }
+ }
}
+ memset(s->header_state, MID_STATE, sizeof(s->header_state));
+ memset(s->block_state, MID_STATE, sizeof(s->block_state));
}
-static void spatial_decompose53i(DWTELEM *buffer, int width, int height, int stride){
- int y;
- DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-2 , height-1)*stride;
-
- for(y=-2; y<height; y+=2){
- DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
-
-{START_TIMER
- if(y+1<(unsigned)height) horizontal_decompose53i(b2, width);
- if(y+2<(unsigned)height) horizontal_decompose53i(b3, width);
-STOP_TIMER("horizontal_decompose53i")}
+static int alloc_blocks(SnowContext *s){
+ int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
+ int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
-{START_TIMER
- if(y+1<(unsigned)height) vertical_decompose53iH0(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_decompose53iL0(b0, b1, b2, width);
-STOP_TIMER("vertical_decompose53i*")}
+ s->b_width = w;
+ s->b_height= h;
- b0=b2;
- b1=b3;
- }
+ av_free(s->block);
+ s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2));
+ return 0;
}
-static void horizontal_decompose97i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int w2= (width+1)>>1;
-
- lift (temp+w2, b +1, b , 1, 2, 2, width, W_AM, W_AO, W_AS, 1, 1);
- liftS(temp , b , temp+w2, 1, 2, 1, width, W_BM, W_BO, W_BS, 0, 0);
- lift (b +w2, temp+w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
- lift (b , temp , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
+static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){
+ uint8_t *bytestream= d->bytestream;
+ uint8_t *bytestream_start= d->bytestream_start;
+ *d= *s;
+ d->bytestream= bytestream;
+ d->bytestream_start= bytestream_start;
}
+static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int ref, int type){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ const int block_w= 1<<rem_depth;
+ BlockNode block;
+ int i,j;
-static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
-
- for(i=0; i<width; i++){
- b1[i] -= (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
- }
-}
-
-static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
+ block.color[0]= l;
+ block.color[1]= cb;
+ block.color[2]= cr;
+ block.mx= mx;
+ block.my= my;
+ block.ref= ref;
+ block.type= type;
+ block.level= level;
- for(i=0; i<width; i++){
- b1[i] += (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
+ for(j=0; j<block_w; j++){
+ for(i=0; i<block_w; i++){
+ s->block[index + i + j*w]= block;
+ }
}
}
-static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
+static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
+ const int offset[3]= {
+ y*c-> stride + x,
+ ((y*c->uvstride + x)>>1),
+ ((y*c->uvstride + x)>>1),
+ };
int i;
-
- for(i=0; i<width; i++){
-#ifdef liftS
- b1[i] -= (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
-#else
- b1[i] = (16*4*b1[i] - 4*(b0[i] + b2[i]) + W_BO*5 + (5<<27)) / (5*16) - (1<<23);
-#endif
+ for(i=0; i<3; i++){
+ c->src[0][i]= src [i];
+ c->ref[0][i]= ref [i] + offset[i];
}
+ assert(!ref_index);
}
-static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
-
- for(i=0; i<width; i++){
- b1[i] += (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
+static inline void pred_mv(SnowContext *s, int *mx, int *my, int ref,
+ const BlockNode *left, const BlockNode *top, const BlockNode *tr){
+ if(s->ref_frames == 1){
+ *mx = mid_pred(left->mx, top->mx, tr->mx);
+ *my = mid_pred(left->my, top->my, tr->my);
+ }else{
+ const int *scale = scale_mv_ref[ref];
+ *mx = mid_pred((left->mx * scale[left->ref] + 128) >>8,
+ (top ->mx * scale[top ->ref] + 128) >>8,
+ (tr ->mx * scale[tr ->ref] + 128) >>8);
+ *my = mid_pred((left->my * scale[left->ref] + 128) >>8,
+ (top ->my * scale[top ->ref] + 128) >>8,
+ (tr ->my * scale[tr ->ref] + 128) >>8);
}
}
-static void spatial_decompose97i(DWTELEM *buffer, int width, int height, int stride){
- int y;
- DWTELEM *b0= buffer + mirror(-4-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-4 , height-1)*stride;
- DWTELEM *b2= buffer + mirror(-4+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(-4+2, height-1)*stride;
-
- for(y=-4; y<height; y+=2){
- DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
- DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
-
-{START_TIMER
- if(y+3<(unsigned)height) horizontal_decompose97i(b4, width);
- if(y+4<(unsigned)height) horizontal_decompose97i(b5, width);
-if(width>400){
-STOP_TIMER("horizontal_decompose97i")
-}}
-
-{START_TIMER
- if(y+3<(unsigned)height) vertical_decompose97iH0(b3, b4, b5, width);
- if(y+2<(unsigned)height) vertical_decompose97iL0(b2, b3, b4, width);
- if(y+1<(unsigned)height) vertical_decompose97iH1(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_decompose97iL1(b0, b1, b2, width);
-
-if(width>400){
-STOP_TIMER("vertical_decompose97i")
-}}
-
- b0=b2;
- b1=b3;
- b2=b4;
- b3=b5;
+static av_always_inline int same_block(BlockNode *a, BlockNode *b){
+ if((a->type&BLOCK_INTRA) && (b->type&BLOCK_INTRA)){
+ return !((a->color[0] - b->color[0]) | (a->color[1] - b->color[1]) | (a->color[2] - b->color[2]));
+ }else{
+ return !((a->mx - b->mx) | (a->my - b->my) | (a->ref - b->ref) | ((a->type ^ b->type)&BLOCK_INTRA));
}
}
-void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- int level;
+static void decode_q_branch(SnowContext *s, int level, int x, int y){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ int trx= (x+1)<<rem_depth;
+ const BlockNode *left = x ? &s->block[index-1] : &null_block;
+ const BlockNode *top = y ? &s->block[index-w] : &null_block;
+ const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
- for(level=0; level<decomposition_count; level++){
- switch(type){
- case DWT_97: spatial_decompose97i(buffer, width>>level, height>>level, stride<<level); break;
- case DWT_53: spatial_decompose53i(buffer, width>>level, height>>level, stride<<level); break;
- }
+ if(s->keyframe){
+ set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, null_block.ref, BLOCK_INTRA);
+ return;
}
-}
-static void horizontal_compose53i(IDWTELEM *b, int width){
- IDWTELEM temp[width];
- const int width2= width>>1;
- const int w2= (width+1)>>1;
- int x;
+ if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){
+ int type, mx, my;
+ int l = left->color[0];
+ int cb= left->color[1];
+ int cr= left->color[2];
+ int ref = 0;
+ int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
+ int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 0*av_log2(2*FFABS(tr->mx - top->mx));
+ int my_context= av_log2(2*FFABS(left->my - top->my)) + 0*av_log2(2*FFABS(tr->my - top->my));
-#if 0
- int A1,A2,A3,A4;
- A2= temp[1 ];
- A4= temp[0 ];
- A1= temp[0+width2];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + 1)>>1;
- b[0+width2] = A1;
- b[0 ] = A4;
- for(x=1; x+1<width2; x+=2){
- A3= temp[x+width2];
- A4= temp[x+1 ];
- A3 -= (A2 + A4)>>1;
- A2 += (A1 + A3 + 2)>>2;
- b[x+width2] = A3;
- b[x ] = A2;
-
- A1= temp[x+1+width2];
- A2= temp[x+2 ];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + A3 + 2)>>2;
- b[x+1+width2] = A1;
- b[x+1 ] = A4;
- }
- A3= temp[width-1];
- A3 -= A2;
- A2 += (A1 + A3 + 2)>>2;
- b[width -1] = A3;
- b[width2-1] = A2;
-#else
- inv_lift(temp , b , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 1);
- inv_lift(temp+w2, b+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 1);
-#endif
- for(x=0; x<width2; x++){
- b[2*x ]= temp[x ];
- b[2*x + 1]= temp[x+w2];
- }
- if(width&1)
- b[2*x ]= temp[x ];
-}
+ type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0;
-static void vertical_compose53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
-
- for(i=0; i<width; i++){
- b1[i] += (b0[i] + b2[i])>>1;
+ if(type){
+ pred_mv(s, &mx, &my, 0, left, top, tr);
+ l += get_symbol(&s->c, &s->block_state[32], 1);
+ cb+= get_symbol(&s->c, &s->block_state[64], 1);
+ cr+= get_symbol(&s->c, &s->block_state[96], 1);
+ }else{
+ if(s->ref_frames > 1)
+ ref= get_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], 0);
+ pred_mv(s, &mx, &my, ref, left, top, tr);
+ mx+= get_symbol(&s->c, &s->block_state[128 + 32*(mx_context + 16*!!ref)], 1);
+ my+= get_symbol(&s->c, &s->block_state[128 + 32*(my_context + 16*!!ref)], 1);
+ }
+ set_blocks(s, level, x, y, l, cb, cr, mx, my, ref, type);
+ }else{
+ decode_q_branch(s, level+1, 2*x+0, 2*y+0);
+ decode_q_branch(s, level+1, 2*x+1, 2*y+0);
+ decode_q_branch(s, level+1, 2*x+0, 2*y+1);
+ decode_q_branch(s, level+1, 2*x+1, 2*y+1);
}
}
-static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
+static void decode_blocks(SnowContext *s){
+ int x, y;
+ int w= s->b_width;
+ int h= s->b_height;
- for(i=0; i<width; i++){
- b1[i] -= (b0[i] + b2[i] + 2)>>2;
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ decode_q_branch(s, 0, x, y);
+ }
}
}
-static void spatial_compose53i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
- cs->b0 = slice_buffer_get_line(sb, mirror(-1-1, height-1) * stride_line);
- cs->b1 = slice_buffer_get_line(sb, mirror(-1 , height-1) * stride_line);
- cs->y = -1;
-}
-
-static void spatial_compose53i_init(dwt_compose_t *cs, IDWTELEM *buffer, int height, int stride){
- cs->b0 = buffer + mirror(-1-1, height-1)*stride;
- cs->b1 = buffer + mirror(-1 , height-1)*stride;
- cs->y = -1;
-}
-
-static void spatial_compose53i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
- int y= cs->y;
-
- IDWTELEM *b0= cs->b0;
- IDWTELEM *b1= cs->b1;
- IDWTELEM *b2= slice_buffer_get_line(sb, mirror(y+1, height-1) * stride_line);
- IDWTELEM *b3= slice_buffer_get_line(sb, mirror(y+2, height-1) * stride_line);
-
-{START_TIMER
- if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
-STOP_TIMER("vertical_compose53i*")}
-
-{START_TIMER
- if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
- if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
-STOP_TIMER("horizontal_compose53i")}
-
- cs->b0 = b2;
- cs->b1 = b3;
- cs->y += 2;
-}
-
-static void spatial_compose53i_dy(dwt_compose_t *cs, IDWTELEM *buffer, int width, int height, int stride){
- int y= cs->y;
- IDWTELEM *b0= cs->b0;
- IDWTELEM *b1= cs->b1;
- IDWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
- IDWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
-
-{START_TIMER
- if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
-STOP_TIMER("vertical_compose53i*")}
-
-{START_TIMER
- if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
- if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
-STOP_TIMER("horizontal_compose53i")}
-
- cs->b0 = b2;
- cs->b1 = b3;
- cs->y += 2;
-}
-
-static void spatial_compose53i(IDWTELEM *buffer, int width, int height, int stride){
- dwt_compose_t cs;
- spatial_compose53i_init(&cs, buffer, height, stride);
- while(cs.y <= height)
- spatial_compose53i_dy(&cs, buffer, width, height, stride);
-}
-
-
-void ff_snow_horizontal_compose97i(IDWTELEM *b, int width){
- IDWTELEM temp[width];
- const int w2= (width+1)>>1;
-
- inv_lift (temp , b , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 1);
- inv_lift (temp+w2, b +w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 1);
- inv_liftS(b , temp , temp+w2, 2, 1, 1, width, W_BM, W_BO, W_BS, 0, 1);
- inv_lift (b+1 , temp+w2, b , 2, 1, 2, width, W_AM, W_AO, W_AS, 1, 0);
-}
+static void mc_block(Plane *p, uint8_t *dst, const uint8_t *src, int stride, int b_w, int b_h, int dx, int dy){
+ static const uint8_t weight[64]={
+ 8,7,6,5,4,3,2,1,
+ 7,7,0,0,0,0,0,1,
+ 6,0,6,0,0,0,2,0,
+ 5,0,0,5,0,3,0,0,
+ 4,0,0,0,4,0,0,0,
+ 3,0,0,5,0,3,0,0,
+ 2,0,6,0,0,0,2,0,
+ 1,7,0,0,0,0,0,1,
+ };
-static void vertical_compose97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
+ static const uint8_t brane[256]={
+ 0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x11,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
+ 0x04,0x05,0xcc,0xcc,0xcc,0xcc,0xcc,0x41,0x15,0x16,0xcc,0xcc,0xcc,0xcc,0xcc,0x52,
+ 0x04,0xcc,0x05,0xcc,0xcc,0xcc,0x41,0xcc,0x15,0xcc,0x16,0xcc,0xcc,0xcc,0x52,0xcc,
+ 0x04,0xcc,0xcc,0x05,0xcc,0x41,0xcc,0xcc,0x15,0xcc,0xcc,0x16,0xcc,0x52,0xcc,0xcc,
+ 0x04,0xcc,0xcc,0xcc,0x41,0xcc,0xcc,0xcc,0x15,0xcc,0xcc,0xcc,0x16,0xcc,0xcc,0xcc,
+ 0x04,0xcc,0xcc,0x41,0xcc,0x05,0xcc,0xcc,0x15,0xcc,0xcc,0x52,0xcc,0x16,0xcc,0xcc,
+ 0x04,0xcc,0x41,0xcc,0xcc,0xcc,0x05,0xcc,0x15,0xcc,0x52,0xcc,0xcc,0xcc,0x16,0xcc,
+ 0x04,0x41,0xcc,0xcc,0xcc,0xcc,0xcc,0x05,0x15,0x52,0xcc,0xcc,0xcc,0xcc,0xcc,0x16,
+ 0x44,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x55,0x56,0x56,0x56,0x56,0x56,0x56,0x56,
+ 0x48,0x49,0xcc,0xcc,0xcc,0xcc,0xcc,0x85,0x59,0x5A,0xcc,0xcc,0xcc,0xcc,0xcc,0x96,
+ 0x48,0xcc,0x49,0xcc,0xcc,0xcc,0x85,0xcc,0x59,0xcc,0x5A,0xcc,0xcc,0xcc,0x96,0xcc,
+ 0x48,0xcc,0xcc,0x49,0xcc,0x85,0xcc,0xcc,0x59,0xcc,0xcc,0x5A,0xcc,0x96,0xcc,0xcc,
+ 0x48,0xcc,0xcc,0xcc,0x49,0xcc,0xcc,0xcc,0x59,0xcc,0xcc,0xcc,0x96,0xcc,0xcc,0xcc,
+ 0x48,0xcc,0xcc,0x85,0xcc,0x49,0xcc,0xcc,0x59,0xcc,0xcc,0x96,0xcc,0x5A,0xcc,0xcc,
+ 0x48,0xcc,0x85,0xcc,0xcc,0xcc,0x49,0xcc,0x59,0xcc,0x96,0xcc,0xcc,0xcc,0x5A,0xcc,
+ 0x48,0x85,0xcc,0xcc,0xcc,0xcc,0xcc,0x49,0x59,0x96,0xcc,0xcc,0xcc,0xcc,0xcc,0x5A,
+ };
- for(i=0; i<width; i++){
- b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
- }
-}
+ static const uint8_t needs[16]={
+ 0,1,0,0,
+ 2,4,2,0,
+ 0,1,0,0,
+ 15
+ };
-static void vertical_compose97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
+ int x, y, b, r, l;
+ int16_t tmpIt [64*(32+HTAPS_MAX)];
+ uint8_t tmp2t[3][stride*(32+HTAPS_MAX)];
+ int16_t *tmpI= tmpIt;
+ uint8_t *tmp2= tmp2t[0];
+ const uint8_t *hpel[11];
+ assert(dx<16 && dy<16);
+ r= brane[dx + 16*dy]&15;
+ l= brane[dx + 16*dy]>>4;
- for(i=0; i<width; i++){
- b1[i] -= (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
- }
-}
+ b= needs[l] | needs[r];
+ if(p && !p->diag_mc)
+ b= 15;
-static void vertical_compose97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
+ if(b&5){
+ for(y=0; y < b_h+HTAPS_MAX-1; y++){
+ for(x=0; x < b_w; x++){
+ int a_1=src[x + HTAPS_MAX/2-4];
+ int a0= src[x + HTAPS_MAX/2-3];
+ int a1= src[x + HTAPS_MAX/2-2];
+ int a2= src[x + HTAPS_MAX/2-1];
+ int a3= src[x + HTAPS_MAX/2+0];
+ int a4= src[x + HTAPS_MAX/2+1];
+ int a5= src[x + HTAPS_MAX/2+2];
+ int a6= src[x + HTAPS_MAX/2+3];
+ int am=0;
+ if(!p || p->fast_mc){
+ am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
+ tmpI[x]= am;
+ am= (am+16)>>5;
+ }else{
+ am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6);
+ tmpI[x]= am;
+ am= (am+32)>>6;
+ }
- for(i=0; i<width; i++){
-#ifdef liftS
- b1[i] += (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
-#else
- b1[i] += (W_BM*(b0[i] + b2[i])+4*b1[i]+W_BO)>>W_BS;
-#endif
+ if(am&(~255)) am= ~(am>>31);
+ tmp2[x]= am;
+ }
+ tmpI+= 64;
+ tmp2+= stride;
+ src += stride;
+ }
+ src -= stride*y;
}
-}
+ src += HTAPS_MAX/2 - 1;
+ tmp2= tmp2t[1];
-static void vertical_compose97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
- int i;
+ if(b&2){
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w+1; x++){
+ int a_1=src[x + (HTAPS_MAX/2-4)*stride];
+ int a0= src[x + (HTAPS_MAX/2-3)*stride];
+ int a1= src[x + (HTAPS_MAX/2-2)*stride];
+ int a2= src[x + (HTAPS_MAX/2-1)*stride];
+ int a3= src[x + (HTAPS_MAX/2+0)*stride];
+ int a4= src[x + (HTAPS_MAX/2+1)*stride];
+ int a5= src[x + (HTAPS_MAX/2+2)*stride];
+ int a6= src[x + (HTAPS_MAX/2+3)*stride];
+ int am=0;
+ if(!p || p->fast_mc)
+ am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5;
+ else
+ am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6;
- for(i=0; i<width; i++){
- b1[i] -= (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
+ if(am&(~255)) am= ~(am>>31);
+ tmp2[x]= am;
+ }
+ src += stride;
+ tmp2+= stride;
+ }
+ src -= stride*y;
}
-}
-
-void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
- int i;
-
- for(i=0; i<width; i++){
- b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
- b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
-#ifdef liftS
- b2[i] += (W_BM*(b1[i] + b3[i])+W_BO)>>W_BS;
-#else
- b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
-#endif
- b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
+ src += stride*(HTAPS_MAX/2 - 1);
+ tmp2= tmp2t[2];
+ tmpI= tmpIt;
+ if(b&4){
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w; x++){
+ int a_1=tmpI[x + (HTAPS_MAX/2-4)*64];
+ int a0= tmpI[x + (HTAPS_MAX/2-3)*64];
+ int a1= tmpI[x + (HTAPS_MAX/2-2)*64];
+ int a2= tmpI[x + (HTAPS_MAX/2-1)*64];
+ int a3= tmpI[x + (HTAPS_MAX/2+0)*64];
+ int a4= tmpI[x + (HTAPS_MAX/2+1)*64];
+ int a5= tmpI[x + (HTAPS_MAX/2+2)*64];
+ int a6= tmpI[x + (HTAPS_MAX/2+3)*64];
+ int am=0;
+ if(!p || p->fast_mc)
+ am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10;
+ else
+ am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12;
+ if(am&(~255)) am= ~(am>>31);
+ tmp2[x]= am;
+ }
+ tmpI+= 64;
+ tmp2+= stride;
+ }
}
-}
-static void spatial_compose97i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
- cs->b0 = slice_buffer_get_line(sb, mirror(-3-1, height-1) * stride_line);
- cs->b1 = slice_buffer_get_line(sb, mirror(-3 , height-1) * stride_line);
- cs->b2 = slice_buffer_get_line(sb, mirror(-3+1, height-1) * stride_line);
- cs->b3 = slice_buffer_get_line(sb, mirror(-3+2, height-1) * stride_line);
- cs->y = -3;
-}
-
-static void spatial_compose97i_init(dwt_compose_t *cs, IDWTELEM *buffer, int height, int stride){
- cs->b0 = buffer + mirror(-3-1, height-1)*stride;
- cs->b1 = buffer + mirror(-3 , height-1)*stride;
- cs->b2 = buffer + mirror(-3+1, height-1)*stride;
- cs->b3 = buffer + mirror(-3+2, height-1)*stride;
- cs->y = -3;
-}
+ hpel[ 0]= src;
+ hpel[ 1]= tmp2t[0] + stride*(HTAPS_MAX/2-1);
+ hpel[ 2]= src + 1;
-static void spatial_compose97i_dy_buffered(DSPContext *dsp, dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
- int y = cs->y;
+ hpel[ 4]= tmp2t[1];
+ hpel[ 5]= tmp2t[2];
+ hpel[ 6]= tmp2t[1] + 1;
- IDWTELEM *b0= cs->b0;
- IDWTELEM *b1= cs->b1;
- IDWTELEM *b2= cs->b2;
- IDWTELEM *b3= cs->b3;
- IDWTELEM *b4= slice_buffer_get_line(sb, mirror(y + 3, height - 1) * stride_line);
- IDWTELEM *b5= slice_buffer_get_line(sb, mirror(y + 4, height - 1) * stride_line);
+ hpel[ 8]= src + stride;
+ hpel[ 9]= hpel[1] + stride;
+ hpel[10]= hpel[8] + 1;
-{START_TIMER
- if(y>0 && y+4<height){
- dsp->vertical_compose97i(b0, b1, b2, b3, b4, b5, width);
+ if(b==15){
+ const uint8_t *src1= hpel[dx/8 + dy/8*4 ];
+ const uint8_t *src2= hpel[dx/8 + dy/8*4+1];
+ const uint8_t *src3= hpel[dx/8 + dy/8*4+4];
+ const uint8_t *src4= hpel[dx/8 + dy/8*4+5];
+ dx&=7;
+ dy&=7;
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w; x++){
+ dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+
+ (8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6;
+ }
+ src1+=stride;
+ src2+=stride;
+ src3+=stride;
+ src4+=stride;
+ dst +=stride;
+ }
}else{
- if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
- if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
- if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
- }
-if(width>400){
-STOP_TIMER("vertical_compose97i")}}
-
-{START_TIMER
- if(y-1<(unsigned)height) dsp->horizontal_compose97i(b0, width);
- if(y+0<(unsigned)height) dsp->horizontal_compose97i(b1, width);
-if(width>400 && y+0<(unsigned)height){
-STOP_TIMER("horizontal_compose97i")}}
-
- cs->b0=b2;
- cs->b1=b3;
- cs->b2=b4;
- cs->b3=b5;
- cs->y += 2;
-}
-
-static void spatial_compose97i_dy(dwt_compose_t *cs, IDWTELEM *buffer, int width, int height, int stride){
- int y = cs->y;
- IDWTELEM *b0= cs->b0;
- IDWTELEM *b1= cs->b1;
- IDWTELEM *b2= cs->b2;
- IDWTELEM *b3= cs->b3;
- IDWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
- IDWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
-
-{START_TIMER
- if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
- if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
- if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
- if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
-if(width>400){
-STOP_TIMER("vertical_compose97i")}}
-
-{START_TIMER
- if(y-1<(unsigned)height) ff_snow_horizontal_compose97i(b0, width);
- if(y+0<(unsigned)height) ff_snow_horizontal_compose97i(b1, width);
-if(width>400 && b0 <= b2){
-STOP_TIMER("horizontal_compose97i")}}
-
- cs->b0=b2;
- cs->b1=b3;
- cs->b2=b4;
- cs->b3=b5;
- cs->y += 2;
-}
-
-static void spatial_compose97i(IDWTELEM *buffer, int width, int height, int stride){
- dwt_compose_t cs;
- spatial_compose97i_init(&cs, buffer, height, stride);
- while(cs.y <= height)
- spatial_compose97i_dy(&cs, buffer, width, height, stride);
-}
-
-static void ff_spatial_idwt_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count){
- int level;
- for(level=decomposition_count-1; level>=0; level--){
- switch(type){
- case DWT_97: spatial_compose97i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
- case DWT_53: spatial_compose53i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
+ const uint8_t *src1= hpel[l];
+ const uint8_t *src2= hpel[r];
+ int a= weight[((dx&7) + (8*(dy&7)))];
+ int b= 8-a;
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w; x++){
+ dst[x]= (a*src1[x] + b*src2[x] + 4)>>3;
+ }
+ src1+=stride;
+ src2+=stride;
+ dst +=stride;
}
}
}
-static void ff_spatial_idwt_init(dwt_compose_t *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- int level;
- for(level=decomposition_count-1; level>=0; level--){
- switch(type){
- case DWT_97: spatial_compose97i_init(cs+level, buffer, height>>level, stride<<level); break;
- case DWT_53: spatial_compose53i_init(cs+level, buffer, height>>level, stride<<level); break;
- }
- }
+#define mca(dx,dy,b_w)\
+static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, int stride, int h){\
+ assert(h==b_w);\
+ mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\
}
-static void ff_spatial_idwt_slice(dwt_compose_t *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y){
- const int support = type==1 ? 3 : 5;
- int level;
- if(type==2) return;
-
- for(level=decomposition_count-1; level>=0; level--){
- while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
- switch(type){
- case DWT_97: spatial_compose97i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
- break;
- case DWT_53: spatial_compose53i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
- break;
+mca( 0, 0,16)
+mca( 8, 0,16)
+mca( 0, 8,16)
+mca( 8, 8,16)
+mca( 0, 0,8)
+mca( 8, 0,8)
+mca( 0, 8,8)
+mca( 8, 8,8)
+
+static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
+ if(block->type & BLOCK_INTRA){
+ int x, y;
+ const int color = block->color[plane_index];
+ const int color4= color*0x01010101;
+ if(b_w==32){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ *(uint32_t*)&dst[4 + y*stride]= color4;
+ *(uint32_t*)&dst[8 + y*stride]= color4;
+ *(uint32_t*)&dst[12+ y*stride]= color4;
+ *(uint32_t*)&dst[16+ y*stride]= color4;
+ *(uint32_t*)&dst[20+ y*stride]= color4;
+ *(uint32_t*)&dst[24+ y*stride]= color4;
+ *(uint32_t*)&dst[28+ y*stride]= color4;
+ }
+ }else if(b_w==16){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ *(uint32_t*)&dst[4 + y*stride]= color4;
+ *(uint32_t*)&dst[8 + y*stride]= color4;
+ *(uint32_t*)&dst[12+ y*stride]= color4;
+ }
+ }else if(b_w==8){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ *(uint32_t*)&dst[4 + y*stride]= color4;
+ }
+ }else if(b_w==4){
+ for(y=0; y < b_h; y++){
+ *(uint32_t*)&dst[0 + y*stride]= color4;
+ }
+ }else{
+ for(y=0; y < b_h; y++){
+ for(x=0; x < b_w; x++){
+ dst[x + y*stride]= color;
+ }
}
}
- }
-}
-
-static void ff_spatial_idwt_buffered_slice(DSPContext *dsp, dwt_compose_t *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y){
- const int support = type==1 ? 3 : 5;
- int level;
- if(type==2) return;
-
- for(level=decomposition_count-1; level>=0; level--){
- while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
- switch(type){
- case DWT_97: spatial_compose97i_dy_buffered(dsp, cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
- break;
- case DWT_53: spatial_compose53i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
- break;
+ }else{
+ uint8_t *src= s->last_picture[block->ref].data[plane_index];
+ const int scale= plane_index ? s->mv_scale : 2*s->mv_scale;
+ int mx= block->mx*scale;
+ int my= block->my*scale;
+ const int dx= mx&15;
+ const int dy= my&15;
+ const int tab_index= 3 - (b_w>>2) + (b_w>>4);
+ sx += (mx>>4) - (HTAPS_MAX/2-1);
+ sy += (my>>4) - (HTAPS_MAX/2-1);
+ src += sx + sy*stride;
+ if( (unsigned)sx >= w - b_w - (HTAPS_MAX-2)
+ || (unsigned)sy >= h - b_h - (HTAPS_MAX-2)){
+ s->dsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h);
+ src= tmp + MB_SIZE;
+ }
+// assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
+// assert(!(b_w&(b_w-1)));
+ assert(b_w>1 && b_h>1);
+ assert((tab_index>=0 && tab_index<4) || b_w==32);
+ if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || !s->plane[plane_index].fast_mc )
+ mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy);
+ else if(b_w==32){
+ int y;
+ for(y=0; y<b_h; y+=16){
+ s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride);
+ s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride);
}
+ }else if(b_w==b_h)
+ s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride);
+ else if(b_w==2*b_h){
+ s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride);
+ s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride);
+ }else{
+ assert(2*b_w==b_h);
+ s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride);
+ s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride);
}
}
}
-static void ff_spatial_idwt(IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- dwt_compose_t cs[MAX_DECOMPOSITIONS];
- int y;
- ff_spatial_idwt_init(cs, buffer, width, height, stride, type, decomposition_count);
- for(y=0; y<height; y+=4)
- ff_spatial_idwt_slice(cs, buffer, width, height, stride, type, decomposition_count, y);
+void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
+ int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
+ int y, x;
+ IDWTELEM * dst;
+ for(y=0; y<b_h; y++){
+ //FIXME ugly misuse of obmc_stride
+ const uint8_t *obmc1= obmc + y*obmc_stride;
+ const uint8_t *obmc2= obmc1+ (obmc_stride>>1);
+ const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
+ const uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ dst = slice_buffer_get_line(sb, src_y + y);
+ for(x=0; x<b_w; x++){
+ int v= obmc1[x] * block[3][x + y*src_stride]
+ +obmc2[x] * block[2][x + y*src_stride]
+ +obmc3[x] * block[1][x + y*src_stride]
+ +obmc4[x] * block[0][x + y*src_stride];
+
+ v <<= 8 - LOG2_OBMC_MAX;
+ if(FRAC_BITS != 8){
+ v >>= 8 - FRAC_BITS;
+ }
+ if(add){
+ v += dst[x + src_x];
+ v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*src_stride] = v;
+ }else{
+ dst[x + src_x] -= v;
+ }
+ }
+ }
}
-static int encode_subband_c0run(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){
- const int w= b->width;
- const int h= b->height;
- int x, y;
+//FIXME name cleanup (b_w, block_w, b_width stuff)
+static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer *sb, IDWTELEM *dst, uint8_t *dst8, const uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int offset_dst, int plane_index){
+ const int b_width = s->b_width << s->block_max_depth;
+ const int b_height= s->b_height << s->block_max_depth;
+ const int b_stride= b_width;
+ BlockNode *lt= &s->block[b_x + b_y*b_stride];
+ BlockNode *rt= lt+1;
+ BlockNode *lb= lt+b_stride;
+ BlockNode *rb= lb+1;
+ uint8_t *block[4];
+ int tmp_step= src_stride >= 7*MB_SIZE ? MB_SIZE : MB_SIZE*src_stride;
+ uint8_t *tmp = s->scratchbuf;
+ uint8_t *ptmp;
+ int x,y;
- if(1){
- int run=0;
- int runs[w*h];
- int run_index=0;
- int max_index;
+ if(b_x<0){
+ lt= rt;
+ lb= rb;
+ }else if(b_x + 1 >= b_width){
+ rt= lt;
+ rb= lb;
+ }
+ if(b_y<0){
+ lt= lb;
+ rt= rb;
+ }else if(b_y + 1 >= b_height){
+ lb= lt;
+ rb= rt;
+ }
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v, p=0;
- int /*ll=0, */l=0, lt=0, t=0, rt=0;
- v= src[x + y*stride];
+ if(src_x<0){ //FIXME merge with prev & always round internal width up to *16
+ obmc -= src_x;
+ b_w += src_x;
+ if(!sliced && !offset_dst)
+ dst -= src_x;
+ src_x=0;
+ }else if(src_x + b_w > w){
+ b_w = w - src_x;
+ }
+ if(src_y<0){
+ obmc -= src_y*obmc_stride;
+ b_h += src_y;
+ if(!sliced && !offset_dst)
+ dst -= src_y*dst_stride;
+ src_y=0;
+ }else if(src_y + b_h> h){
+ b_h = h - src_y;
+ }
- if(y){
- t= src[x + (y-1)*stride];
- if(x){
- lt= src[x - 1 + (y-1)*stride];
- }
- if(x + 1 < w){
- rt= src[x + 1 + (y-1)*stride];
- }
- }
- if(x){
- l= src[x - 1 + y*stride];
- /*if(x > 1){
- if(orientation==1) ll= src[y + (x-2)*stride];
- else ll= src[x - 2 + y*stride];
- }*/
- }
- if(parent){
- int px= x>>1;
- int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
- p= parent[px + py*2*stride];
+ if(b_w<=0 || b_h<=0) return;
+
+ assert(src_stride > 2*MB_SIZE + 5);
+
+ if(!sliced && offset_dst)
+ dst += src_x + src_y*dst_stride;
+ dst8+= src_x + src_y*src_stride;
+// src += src_x + src_y*src_stride;
+
+ ptmp= tmp + 3*tmp_step;
+ block[0]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[0], tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
+
+ if(same_block(lt, rt)){
+ block[1]= block[0];
+ }else{
+ block[1]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[1], tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
+ }
+
+ if(same_block(lt, lb)){
+ block[2]= block[0];
+ }else if(same_block(rt, lb)){
+ block[2]= block[1];
+ }else{
+ block[2]= ptmp;
+ ptmp+=tmp_step;
+ pred_block(s, block[2], tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
+ }
+
+ if(same_block(lt, rb) ){
+ block[3]= block[0];
+ }else if(same_block(rt, rb)){
+ block[3]= block[1];
+ }else if(same_block(lb, rb)){
+ block[3]= block[2];
+ }else{
+ block[3]= ptmp;
+ pred_block(s, block[3], tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
+ }
+#if 0
+ for(y=0; y<b_h; y++){
+ for(x=0; x<b_w; x++){
+ int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc2= obmc + (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+ for(y=0; y<b_h; y++){
+ uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
+ uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
+ if(add) dst[x + y*dst_stride] += v;
+ else dst[x + y*dst_stride] -= v;
+ }
+ }
+#else
+ if(sliced){
+ s->dwt.inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
+ }else{
+ for(y=0; y<b_h; y++){
+ //FIXME ugly misuse of obmc_stride
+ const uint8_t *obmc1= obmc + y*obmc_stride;
+ const uint8_t *obmc2= obmc1+ (obmc_stride>>1);
+ const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
+ const uint8_t *obmc4= obmc3+ (obmc_stride>>1);
+ for(x=0; x<b_w; x++){
+ int v= obmc1[x] * block[3][x + y*src_stride]
+ +obmc2[x] * block[2][x + y*src_stride]
+ +obmc3[x] * block[1][x + y*src_stride]
+ +obmc4[x] * block[0][x + y*src_stride];
+
+ v <<= 8 - LOG2_OBMC_MAX;
+ if(FRAC_BITS != 8){
+ v >>= 8 - FRAC_BITS;
}
- if(!(/*ll|*/l|lt|t|rt|p)){
- if(v){
- runs[run_index++]= run;
- run=0;
- }else{
- run++;
- }
+ if(add){
+ v += dst[x + y*dst_stride];
+ v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*src_stride] = v;
+ }else{
+ dst[x + y*dst_stride] -= v;
}
}
}
- max_index= run_index;
- runs[run_index++]= run;
- run_index=0;
- run= runs[run_index++];
+ }
+#endif /* 0 */
+}
- put_symbol2(&s->c, b->state[30], max_index, 0);
- if(run_index <= max_index)
- put_symbol2(&s->c, b->state[1], run, 3);
+static av_always_inline void predict_slice_buffered(SnowContext *s, slice_buffer * sb, IDWTELEM * old_buffer, int plane_index, int add, int mb_y){
+ Plane *p= &s->plane[plane_index];
+ const int mb_w= s->b_width << s->block_max_depth;
+ const int mb_h= s->b_height << s->block_max_depth;
+ int x, y, mb_x;
+ int block_size = MB_SIZE >> s->block_max_depth;
+ int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ int obmc_stride= plane_index ? block_size : 2*block_size;
+ int ref_stride= s->current_picture.linesize[plane_index];
+ uint8_t *dst8= s->current_picture.data[plane_index];
+ int w= p->width;
+ int h= p->height;
- for(y=0; y<h; y++){
- if(s->c.bytestream_end - s->c.bytestream < w*40){
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
- return -1;
- }
- for(x=0; x<w; x++){
- int v, p=0;
- int /*ll=0, */l=0, lt=0, t=0, rt=0;
- v= src[x + y*stride];
+ if(s->keyframe || (s->avctx->debug&512)){
+ if(mb_y==mb_h)
+ return;
- if(y){
- t= src[x + (y-1)*stride];
- if(x){
- lt= src[x - 1 + (y-1)*stride];
- }
- if(x + 1 < w){
- rt= src[x + 1 + (y-1)*stride];
- }
- }
- if(x){
- l= src[x - 1 + y*stride];
- /*if(x > 1){
- if(orientation==1) ll= src[y + (x-2)*stride];
- else ll= src[x - 2 + y*stride];
- }*/
+ if(add){
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+// DWTELEM * line = slice_buffer_get_line(sb, y);
+ IDWTELEM * line = sb->line[y];
+ for(x=0; x<w; x++){
+// int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ int v= line[x] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ v >>= FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*ref_stride]= v;
}
- if(parent){
- int px= x>>1;
- int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
- p= parent[px + py*2*stride];
+ }
+ }else{
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+// DWTELEM * line = slice_buffer_get_line(sb, y);
+ IDWTELEM * line = sb->line[y];
+ for(x=0; x<w; x++){
+ line[x] -= 128 << FRAC_BITS;
+// buf[x + y*w]-= 128<<FRAC_BITS;
}
- if(/*ll|*/l|lt|t|rt|p){
- int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
+ }
+ }
- put_rac(&s->c, &b->state[0][context], !!v);
- }else{
- if(!run){
- run= runs[run_index++];
+ return;
+ }
+
+ for(mb_x=0; mb_x<=mb_w; mb_x++){
+ add_yblock(s, 1, sb, old_buffer, dst8, obmc,
+ block_w*mb_x - block_w/2,
+ block_w*mb_y - block_w/2,
+ block_w, block_w,
+ w, h,
+ w, ref_stride, obmc_stride,
+ mb_x - 1, mb_y - 1,
+ add, 0, plane_index);
+ }
+}
+
+static av_always_inline void predict_slice(SnowContext *s, IDWTELEM *buf, int plane_index, int add, int mb_y){
+ Plane *p= &s->plane[plane_index];
+ const int mb_w= s->b_width << s->block_max_depth;
+ const int mb_h= s->b_height << s->block_max_depth;
+ int x, y, mb_x;
+ int block_size = MB_SIZE >> s->block_max_depth;
+ int block_w = plane_index ? block_size/2 : block_size;
+ const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
+ const int obmc_stride= plane_index ? block_size : 2*block_size;
+ int ref_stride= s->current_picture.linesize[plane_index];
+ uint8_t *dst8= s->current_picture.data[plane_index];
+ int w= p->width;
+ int h= p->height;
+
+ if(s->keyframe || (s->avctx->debug&512)){
+ if(mb_y==mb_h)
+ return;
- if(run_index <= max_index)
- put_symbol2(&s->c, b->state[1], run, 3);
- assert(v);
- }else{
- run--;
- assert(!v);
- }
+ if(add){
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+ for(x=0; x<w; x++){
+ int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
+ v >>= FRAC_BITS;
+ if(v&(~255)) v= ~(v>>31);
+ dst8[x + y*ref_stride]= v;
}
- if(v){
- int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
- int l2= 2*FFABS(l) + (l<0);
- int t2= 2*FFABS(t) + (t<0);
-
- put_symbol2(&s->c, b->state[context + 2], FFABS(v)-1, context-4);
- put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0);
+ }
+ }else{
+ for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
+ for(x=0; x<w; x++){
+ buf[x + y*w]-= 128<<FRAC_BITS;
}
}
}
+
+ return;
+ }
+
+ for(mb_x=0; mb_x<=mb_w; mb_x++){
+ add_yblock(s, 0, NULL, buf, dst8, obmc,
+ block_w*mb_x - block_w/2,
+ block_w*mb_y - block_w/2,
+ block_w, block_w,
+ w, h,
+ w, ref_stride, obmc_stride,
+ mb_x - 1, mb_y - 1,
+ add, 1, plane_index);
}
- return 0;
}
-static int encode_subband(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){
-// encode_subband_qtree(s, b, src, parent, stride, orientation);
-// encode_subband_z0run(s, b, src, parent, stride, orientation);
- return encode_subband_c0run(s, b, src, parent, stride, orientation);
-// encode_subband_dzr(s, b, src, parent, stride, orientation);
+static av_always_inline void predict_plane(SnowContext *s, IDWTELEM *buf, int plane_index, int add){
+ const int mb_h= s->b_height << s->block_max_depth;
+ int mb_y;
+ for(mb_y=0; mb_y<=mb_h; mb_y++)
+ predict_slice(s, buf, plane_index, add, mb_y);
}
-static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){
+static void dequantize_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int start_y, int end_y){
const int w= b->width;
- const int h= b->height;
+ const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
+ const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
+ const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
int x,y;
- if(1){
- int run, runs;
- x_and_coeff *xc= b->x_coeff;
- x_and_coeff *prev_xc= NULL;
- x_and_coeff *prev2_xc= xc;
- x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL;
- x_and_coeff *prev_parent_xc= parent_xc;
-
- runs= get_symbol2(&s->c, b->state[30], 0);
- if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
- else run= INT_MAX;
-
- for(y=0; y<h; y++){
- int v=0;
- int lt=0, t=0, rt=0;
+ if(s->qlog == LOSSLESS_QLOG) return;
- if(y && prev_xc->x == 0){
- rt= prev_xc->coeff;
+ for(y=start_y; y<end_y; y++){
+// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
+ IDWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
+ for(x=0; x<w; x++){
+ int i= line[x];
+ if(i<0){
+ line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
+ }else if(i>0){
+ line[x]= (( i*qmul + qadd)>>(QEXPSHIFT));
}
- for(x=0; x<w; x++){
- int p=0;
- const int l= v;
+ }
+ }
+}
- lt= t; t= rt;
+static void correlate_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median, int start_y, int end_y){
+ const int w= b->width;
+ int x,y;
- if(y){
- if(prev_xc->x <= x)
- prev_xc++;
- if(prev_xc->x == x + 1)
- rt= prev_xc->coeff;
- else
- rt=0;
- }
- if(parent_xc){
- if(x>>1 > parent_xc->x){
- parent_xc++;
- }
- if(x>>1 == parent_xc->x){
- p= parent_xc->coeff;
- }
- }
- if(/*ll|*/l|lt|t|rt|p){
- int context= av_log2(/*FFABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
+ IDWTELEM * line=0; // silence silly "could be used without having been initialized" warning
+ IDWTELEM * prev;
- v=get_rac(&s->c, &b->state[0][context]);
- if(v){
- v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
- v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
+ if (start_y != 0)
+ line = slice_buffer_get_line(sb, ((start_y - 1) * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
- xc->x=x;
- (xc++)->coeff= v;
- }
+ for(y=start_y; y<end_y; y++){
+ prev = line;
+// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
+ line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
+ for(x=0; x<w; x++){
+ if(x){
+ if(use_median){
+ if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]);
+ else line[x] += line[x - 1];
}else{
- if(!run){
- if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
- else run= INT_MAX;
- v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1);
- v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]);
-
- xc->x=x;
- (xc++)->coeff= v;
- }else{
- int max_run;
- run--;
- v=0;
-
- if(y) max_run= FFMIN(run, prev_xc->x - x - 2);
- else max_run= FFMIN(run, w-x-1);
- if(parent_xc)
- max_run= FFMIN(max_run, 2*parent_xc->x - x - 1);
- x+= max_run;
- run-= max_run;
- }
+ if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]);
+ else line[x] += line[x - 1];
}
+ }else{
+ if(y) line[x] += prev[x];
}
- (xc++)->x= w+1; //end marker
- prev_xc= prev2_xc;
- prev2_xc= xc;
+ }
+ }
+}
- if(parent_xc){
- if(y&1){
- while(parent_xc->x != parent->width+1)
- parent_xc++;
- parent_xc++;
- prev_parent_xc= parent_xc;
- }else{
- parent_xc= prev_parent_xc;
- }
+static void decode_qlogs(SnowContext *s){
+ int plane_index, level, orientation;
+
+ for(plane_index=0; plane_index<3; plane_index++){
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1:0; orientation<4; orientation++){
+ int q;
+ if (plane_index==2) q= s->plane[1].band[level][orientation].qlog;
+ else if(orientation==2) q= s->plane[plane_index].band[level][1].qlog;
+ else q= get_symbol(&s->c, s->header_state, 1);
+ s->plane[plane_index].band[level][orientation].qlog= q;
}
}
-
- (xc++)->x= w+1; //end marker
}
}
-static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){
- const int w= b->width;
- int y;
- const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
- int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
- int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
- int new_index = 0;
+#define GET_S(dst, check) \
+ tmp= get_symbol(&s->c, s->header_state, 0);\
+ if(!(check)){\
+ av_log(s->avctx, AV_LOG_ERROR, "Error " #dst " is %d\n", tmp);\
+ return -1;\
+ }\
+ dst= tmp;
+
+static int decode_header(SnowContext *s){
+ int plane_index, tmp;
+ uint8_t kstate[32];
- START_TIMER
+ memset(kstate, MID_STATE, sizeof(kstate));
- if(b->ibuf == s->spatial_idwt_buffer || s->qlog == LOSSLESS_QLOG){
- qadd= 0;
- qmul= 1<<QEXPSHIFT;
+ s->keyframe= get_rac(&s->c, kstate);
+ if(s->keyframe || s->always_reset){
+ reset_contexts(s);
+ s->spatial_decomposition_type=
+ s->qlog=
+ s->qbias=
+ s->mv_scale=
+ s->block_max_depth= 0;
+ }
+ if(s->keyframe){
+ GET_S(s->version, tmp <= 0U)
+ s->always_reset= get_rac(&s->c, s->header_state);
+ s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
+ s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
+ GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
+ s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
+ s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
+ s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
+ s->spatial_scalability= get_rac(&s->c, s->header_state);
+// s->rate_scalability= get_rac(&s->c, s->header_state);
+ GET_S(s->max_ref_frames, tmp < (unsigned)MAX_REF_FRAMES)
+ s->max_ref_frames++;
+
+ decode_qlogs(s);
+ }
+
+ if(!s->keyframe){
+ if(get_rac(&s->c, s->header_state)){
+ for(plane_index=0; plane_index<2; plane_index++){
+ int htaps, i, sum=0;
+ Plane *p= &s->plane[plane_index];
+ p->diag_mc= get_rac(&s->c, s->header_state);
+ htaps= get_symbol(&s->c, s->header_state, 0)*2 + 2;
+ if((unsigned)htaps > HTAPS_MAX || htaps==0)
+ return -1;
+ p->htaps= htaps;
+ for(i= htaps/2; i; i--){
+ p->hcoeff[i]= get_symbol(&s->c, s->header_state, 0) * (1-2*(i&1));
+ sum += p->hcoeff[i];
+ }
+ p->hcoeff[0]= 32-sum;
+ }
+ s->plane[2].diag_mc= s->plane[1].diag_mc;
+ s->plane[2].htaps = s->plane[1].htaps;
+ memcpy(s->plane[2].hcoeff, s->plane[1].hcoeff, sizeof(s->plane[1].hcoeff));
+ }
+ if(get_rac(&s->c, s->header_state)){
+ GET_S(s->spatial_decomposition_count, 0 < tmp && tmp <= MAX_DECOMPOSITIONS)
+ decode_qlogs(s);
+ }
}
- /* If we are on the second or later slice, restore our index. */
- if (start_y != 0)
- new_index = save_state[0];
+ s->spatial_decomposition_type+= get_symbol(&s->c, s->header_state, 1);
+ if(s->spatial_decomposition_type > 1U){
+ av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
+ return -1;
+ }
+ if(FFMIN(s->avctx-> width>>s->chroma_h_shift,
+ s->avctx->height>>s->chroma_v_shift) >> (s->spatial_decomposition_count-1) <= 0){
+ av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_count %d too large for size", s->spatial_decomposition_count);
+ return -1;
+ }
+
+ s->qlog += get_symbol(&s->c, s->header_state, 1);
+ s->mv_scale += get_symbol(&s->c, s->header_state, 1);
+ s->qbias += get_symbol(&s->c, s->header_state, 1);
+ s->block_max_depth+= get_symbol(&s->c, s->header_state, 1);
+ if(s->block_max_depth > 1 || s->block_max_depth < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "block_max_depth= %d is too large", s->block_max_depth);
+ s->block_max_depth= 0;
+ return -1;
+ }
+ return 0;
+}
- for(y=start_y; y<h; y++){
- int x = 0;
- int v;
- IDWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset;
- memset(line, 0, b->width*sizeof(IDWTELEM));
- v = b->x_coeff[new_index].coeff;
- x = b->x_coeff[new_index++].x;
- while(x < w)
- {
- register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT;
- register int u= -(v&1);
- line[x] = (t^u) - u;
+static void init_qexp(void){
+ int i;
+ double v=128;
- v = b->x_coeff[new_index].coeff;
- x = b->x_coeff[new_index++].x;
- }
- }
- if(w > 200 && start_y != 0/*level+1 == s->spatial_decomposition_count*/){
- STOP_TIMER("decode_subband")
+ for(i=0; i<QROOT; i++){
+ qexp[i]= lrintf(v);
+ v *= pow(2, 1.0 / QROOT);
}
+}
- /* Save our variables for the next slice. */
- save_state[0] = new_index;
+static av_cold int common_init(AVCodecContext *avctx){
+ SnowContext *s = avctx->priv_data;
+ int width, height;
+ int i, j;
- return;
+ s->avctx= avctx;
+ s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe
+
+ dsputil_init(&s->dsp, avctx);
+ ff_dwt_init(&s->dwt);
+
+#define mcf(dx,dy)\
+ s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\
+ s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\
+ s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\
+ s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\
+ s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\
+ s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4];
+
+ mcf( 0, 0)
+ mcf( 4, 0)
+ mcf( 8, 0)
+ mcf(12, 0)
+ mcf( 0, 4)
+ mcf( 4, 4)
+ mcf( 8, 4)
+ mcf(12, 4)
+ mcf( 0, 8)
+ mcf( 4, 8)
+ mcf( 8, 8)
+ mcf(12, 8)
+ mcf( 0,12)
+ mcf( 4,12)
+ mcf( 8,12)
+ mcf(12,12)
+
+#define mcfh(dx,dy)\
+ s->dsp.put_pixels_tab [0][dy/4+dx/8]=\
+ s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\
+ mc_block_hpel ## dx ## dy ## 16;\
+ s->dsp.put_pixels_tab [1][dy/4+dx/8]=\
+ s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\
+ mc_block_hpel ## dx ## dy ## 8;
+
+ mcfh(0, 0)
+ mcfh(8, 0)
+ mcfh(0, 8)
+ mcfh(8, 8)
+
+ if(!qexp[0])
+ init_qexp();
+
+// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
+
+ width= s->avctx->width;
+ height= s->avctx->height;
+
+ s->spatial_idwt_buffer= av_mallocz(width*height*sizeof(IDWTELEM));
+ s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM)); //FIXME this does not belong here
+
+ for(i=0; i<MAX_REF_FRAMES; i++)
+ for(j=0; j<MAX_REF_FRAMES; j++)
+ scale_mv_ref[i][j] = 256*(i+1)/(j+1);
+
+ s->avctx->get_buffer(s->avctx, &s->mconly_picture);
+ s->scratchbuf = av_malloc(s->mconly_picture.linesize[0]*7*MB_SIZE);
+
+ return 0;
}
-static void reset_contexts(SnowContext *s){ //FIXME better initial contexts
+static int common_init_after_header(AVCodecContext *avctx){
+ SnowContext *s = avctx->priv_data;
int plane_index, level, orientation;
for(plane_index=0; plane_index<3; plane_index++){
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1:0; orientation<4; orientation++){
- memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
- }
- }
- }
- memset(s->header_state, MID_STATE, sizeof(s->header_state));
- memset(s->block_state, MID_STATE, sizeof(s->block_state));
-}
+ int w= s->avctx->width;
+ int h= s->avctx->height;
-static int alloc_blocks(SnowContext *s){
- int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
- int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
+ if(plane_index){
+ w>>= s->chroma_h_shift;
+ h>>= s->chroma_v_shift;
+ }
+ s->plane[plane_index].width = w;
+ s->plane[plane_index].height= h;
- s->b_width = w;
- s->b_height= h;
+ for(level=s->spatial_decomposition_count-1; level>=0; level--){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &s->plane[plane_index].band[level][orientation];
- s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2));
- return 0;
-}
+ b->buf= s->spatial_dwt_buffer;
+ b->level= level;
+ b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level);
+ b->width = (w + !(orientation&1))>>1;
+ b->height= (h + !(orientation>1))>>1;
-static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){
- uint8_t *bytestream= d->bytestream;
- uint8_t *bytestream_start= d->bytestream_start;
- *d= *s;
- d->bytestream= bytestream;
- d->bytestream_start= bytestream_start;
-}
+ b->stride_line = 1 << (s->spatial_decomposition_count - level);
+ b->buf_x_offset = 0;
+ b->buf_y_offset = 0;
-//near copy & paste from dsputil, FIXME
-static int pix_sum(uint8_t * pix, int line_size, int w)
-{
- int s, i, j;
+ if(orientation&1){
+ b->buf += (w+1)>>1;
+ b->buf_x_offset = (w+1)>>1;
+ }
+ if(orientation>1){
+ b->buf += b->stride>>1;
+ b->buf_y_offset = b->stride_line >> 1;
+ }
+ b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer);
- s = 0;
- for (i = 0; i < w; i++) {
- for (j = 0; j < w; j++) {
- s += pix[0];
- pix ++;
+ if(level)
+ b->parent= &s->plane[plane_index].band[level-1][orientation];
+ //FIXME avoid this realloc
+ av_freep(&b->x_coeff);
+ b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff));
+ }
+ w= (w+1)>>1;
+ h= (h+1)>>1;
}
- pix += line_size - w;
}
- return s;
+
+ return 0;
}
-//near copy & paste from dsputil, FIXME
-static int pix_norm1(uint8_t * pix, int line_size, int w)
-{
- int s, i, j;
- uint32_t *sq = ff_squareTbl + 256;
+#define QUANTIZE2 0
- s = 0;
- for (i = 0; i < w; i++) {
- for (j = 0; j < w; j ++) {
- s += sq[pix[0]];
- pix ++;
+#if QUANTIZE2==1
+#define Q2_STEP 8
+
+static void find_sse(SnowContext *s, Plane *p, int *score, int score_stride, IDWTELEM *r0, IDWTELEM *r1, int level, int orientation){
+ SubBand *b= &p->band[level][orientation];
+ int x, y;
+ int xo=0;
+ int yo=0;
+ int step= 1 << (s->spatial_decomposition_count - level);
+
+ if(orientation&1)
+ xo= step>>1;
+ if(orientation&2)
+ yo= step>>1;
+
+ //FIXME bias for nonzero ?
+ //FIXME optimize
+ memset(score, 0, sizeof(*score)*score_stride*((p->height + Q2_STEP-1)/Q2_STEP));
+ for(y=0; y<p->height; y++){
+ for(x=0; x<p->width; x++){
+ int sx= (x-xo + step/2) / step / Q2_STEP;
+ int sy= (y-yo + step/2) / step / Q2_STEP;
+ int v= r0[x + y*p->width] - r1[x + y*p->width];
+ assert(sx>=0 && sy>=0 && sx < score_stride);
+ v= ((v+8)>>4)<<4;
+ score[sx + sy*score_stride] += v*v;
+ assert(score[sx + sy*score_stride] >= 0);
}
- pix += line_size - w;
}
- return s;
}
-static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int ref, int type){
- const int w= s->b_width << s->block_max_depth;
- const int rem_depth= s->block_max_depth - level;
- const int index= (x + y*w) << rem_depth;
- const int block_w= 1<<rem_depth;
- BlockNode block;
- int i,j;
+static void dequantize_all(SnowContext *s, Plane *p, IDWTELEM *buffer, int width, int height){
+ int level, orientation;
- block.color[0]= l;
- block.color[1]= cb;
- block.color[2]= cr;
- block.mx= mx;
- block.my= my;
- block.ref= ref;
- block.type= type;
- block.level= level;
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ IDWTELEM *dst= buffer + (b->ibuf - s->spatial_idwt_buffer);
- for(j=0; j<block_w; j++){
- for(i=0; i<block_w; i++){
- s->block[index + i + j*w]= block;
+ dequantize(s, b, dst, b->stride);
}
}
}
-static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){
- const int offset[3]= {
- y*c-> stride + x,
- ((y*c->uvstride + x)>>1),
- ((y*c->uvstride + x)>>1),
- };
- int i;
- for(i=0; i<3; i++){
- c->src[0][i]= src [i];
- c->ref[0][i]= ref [i] + offset[i];
- }
- assert(!ref_index);
-}
+static void dwt_quantize(SnowContext *s, Plane *p, DWTELEM *buffer, int width, int height, int stride, int type){
+ int level, orientation, ys, xs, x, y, pass;
+ IDWTELEM best_dequant[height * stride];
+ IDWTELEM idwt2_buffer[height * stride];
+ const int score_stride= (width + 10)/Q2_STEP;
+ int best_score[(width + 10)/Q2_STEP * (height + 10)/Q2_STEP]; //FIXME size
+ int score[(width + 10)/Q2_STEP * (height + 10)/Q2_STEP]; //FIXME size
+ int threshold= (s->m.lambda * s->m.lambda) >> 6;
-static inline void pred_mv(SnowContext *s, int *mx, int *my, int ref,
- const BlockNode *left, const BlockNode *top, const BlockNode *tr){
- if(s->ref_frames == 1){
- *mx = mid_pred(left->mx, top->mx, tr->mx);
- *my = mid_pred(left->my, top->my, tr->my);
- }else{
- const int *scale = scale_mv_ref[ref];
- *mx = mid_pred((left->mx * scale[left->ref] + 128) >>8,
- (top ->mx * scale[top ->ref] + 128) >>8,
- (tr ->mx * scale[tr ->ref] + 128) >>8);
- *my = mid_pred((left->my * scale[left->ref] + 128) >>8,
- (top ->my * scale[top ->ref] + 128) >>8,
- (tr ->my * scale[tr ->ref] + 128) >>8);
+ //FIXME pass the copy cleanly ?
+
+// memcpy(dwt_buffer, buffer, height * stride * sizeof(DWTELEM));
+ ff_spatial_dwt(buffer, width, height, stride, type, s->spatial_decomposition_count);
+
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ IDWTELEM *dst= best_dequant + (b->ibuf - s->spatial_idwt_buffer);
+ DWTELEM *src= buffer + (b-> buf - s->spatial_dwt_buffer);
+ assert(src == b->buf); // code does not depend on this but it is true currently
+
+ quantize(s, b, dst, src, b->stride, s->qbias);
+ }
+ }
+ for(pass=0; pass<1; pass++){
+ if(s->qbias == 0) //keyframe
+ continue;
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ IDWTELEM *dst= idwt2_buffer + (b->ibuf - s->spatial_idwt_buffer);
+ IDWTELEM *best_dst= best_dequant + (b->ibuf - s->spatial_idwt_buffer);
+
+ for(ys= 0; ys<Q2_STEP; ys++){
+ for(xs= 0; xs<Q2_STEP; xs++){
+ memcpy(idwt2_buffer, best_dequant, height * stride * sizeof(IDWTELEM));
+ dequantize_all(s, p, idwt2_buffer, width, height);
+ ff_spatial_idwt(idwt2_buffer, width, height, stride, type, s->spatial_decomposition_count);
+ find_sse(s, p, best_score, score_stride, idwt2_buffer, s->spatial_idwt_buffer, level, orientation);
+ memcpy(idwt2_buffer, best_dequant, height * stride * sizeof(IDWTELEM));
+ for(y=ys; y<b->height; y+= Q2_STEP){
+ for(x=xs; x<b->width; x+= Q2_STEP){
+ if(dst[x + y*b->stride]<0) dst[x + y*b->stride]++;
+ if(dst[x + y*b->stride]>0) dst[x + y*b->stride]--;
+ //FIXME try more than just --
+ }
+ }
+ dequantize_all(s, p, idwt2_buffer, width, height);
+ ff_spatial_idwt(idwt2_buffer, width, height, stride, type, s->spatial_decomposition_count);
+ find_sse(s, p, score, score_stride, idwt2_buffer, s->spatial_idwt_buffer, level, orientation);
+ for(y=ys; y<b->height; y+= Q2_STEP){
+ for(x=xs; x<b->width; x+= Q2_STEP){
+ int score_idx= x/Q2_STEP + (y/Q2_STEP)*score_stride;
+ if(score[score_idx] <= best_score[score_idx] + threshold){
+ best_score[score_idx]= score[score_idx];
+ if(best_dst[x + y*b->stride]<0) best_dst[x + y*b->stride]++;
+ if(best_dst[x + y*b->stride]>0) best_dst[x + y*b->stride]--;
+ //FIXME copy instead
+ }
+ }
+ }
+ }
+ }
+ }
+ }
}
+ memcpy(s->spatial_idwt_buffer, best_dequant, height * stride * sizeof(IDWTELEM)); //FIXME work with that directly instead of copy at the end
}
-//FIXME copy&paste
-#define P_LEFT P[1]
-#define P_TOP P[2]
-#define P_TOPRIGHT P[3]
-#define P_MEDIAN P[4]
-#define P_MV1 P[9]
-#define FLAG_QPEL 1 //must be 1
+#endif /* QUANTIZE2==1 */
-static int encode_q_branch(SnowContext *s, int level, int x, int y){
- uint8_t p_buffer[1024];
- uint8_t i_buffer[1024];
- uint8_t p_state[sizeof(s->block_state)];
- uint8_t i_state[sizeof(s->block_state)];
- RangeCoder pc, ic;
- uint8_t *pbbak= s->c.bytestream;
- uint8_t *pbbak_start= s->c.bytestream_start;
- int score, score2, iscore, i_len, p_len, block_s, sum, base_bits;
- const int w= s->b_width << s->block_max_depth;
- const int h= s->b_height << s->block_max_depth;
- const int rem_depth= s->block_max_depth - level;
- const int index= (x + y*w) << rem_depth;
- const int block_w= 1<<(LOG2_MB_SIZE - level);
- int trx= (x+1)<<rem_depth;
- int try= (y+1)<<rem_depth;
- const BlockNode *left = x ? &s->block[index-1] : &null_block;
- const BlockNode *top = y ? &s->block[index-w] : &null_block;
- const BlockNode *right = trx<w ? &s->block[index+1] : &null_block;
- const BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
- const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
- const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
- int pl = left->color[0];
- int pcb= left->color[1];
- int pcr= left->color[2];
- int pmx, pmy;
- int mx=0, my=0;
- int l,cr,cb;
- const int stride= s->current_picture.linesize[0];
- const int uvstride= s->current_picture.linesize[1];
- uint8_t *current_data[3]= { s->input_picture.data[0] + (x + y* stride)*block_w,
- s->input_picture.data[1] + (x + y*uvstride)*block_w/2,
- s->input_picture.data[2] + (x + y*uvstride)*block_w/2};
- int P[10][2];
- int16_t last_mv[3][2];
- int qpel= !!(s->avctx->flags & CODEC_FLAG_QPEL); //unused
- const int shift= 1+qpel;
- MotionEstContext *c= &s->m.me;
- int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
- int mx_context= av_log2(2*FFABS(left->mx - top->mx));
- int my_context= av_log2(2*FFABS(left->my - top->my));
- int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
- int ref, best_ref, ref_score, ref_mx, ref_my;
+#define USE_HALFPEL_PLANE 0
- assert(sizeof(s->block_state) >= 256);
- if(s->keyframe){
- set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
- return 0;
- }
+static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){
+ int p,x,y;
-// clip predictors / edge ?
+ assert(!(s->avctx->flags & CODEC_FLAG_EMU_EDGE));
- P_LEFT[0]= left->mx;
- P_LEFT[1]= left->my;
- P_TOP [0]= top->mx;
- P_TOP [1]= top->my;
- P_TOPRIGHT[0]= tr->mx;
- P_TOPRIGHT[1]= tr->my;
+ for(p=0; p<3; p++){
+ int is_chroma= !!p;
+ int w= s->avctx->width >>is_chroma;
+ int h= s->avctx->height >>is_chroma;
+ int ls= frame->linesize[p];
+ uint8_t *src= frame->data[p];
- last_mv[0][0]= s->block[index].mx;
- last_mv[0][1]= s->block[index].my;
- last_mv[1][0]= right->mx;
- last_mv[1][1]= right->my;
- last_mv[2][0]= bottom->mx;
- last_mv[2][1]= bottom->my;
+ halfpel[1][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
+ halfpel[2][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
+ halfpel[3][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
- s->m.mb_stride=2;
- s->m.mb_x=
- s->m.mb_y= 0;
- c->skip= 0;
+ halfpel[0][p]= src;
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int i= y*ls + x;
- assert(c-> stride == stride);
- assert(c->uvstride == uvstride);
+ halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5;
+ }
+ }
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int i= y*ls + x;
- c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
- c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
- c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
- c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
+ halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
+ }
+ }
+ src= halfpel[1][p];
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int i= y*ls + x;
- c->xmin = - x*block_w - 16+2;
- c->ymin = - y*block_w - 16+2;
- c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
- c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-2;
+ halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
+ }
+ }
- if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
- if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift);
- if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift);
- if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
- if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
- if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
- if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
+//FIXME border!
+ }
+}
- P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
- P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
+static void release_buffer(AVCodecContext *avctx){
+ SnowContext *s = avctx->priv_data;
+ int i;
- if (!y) {
- c->pred_x= P_LEFT[0];
- c->pred_y= P_LEFT[1];
- } else {
- c->pred_x = P_MEDIAN[0];
- c->pred_y = P_MEDIAN[1];
+ if(s->last_picture[s->max_ref_frames-1].data[0]){
+ avctx->release_buffer(avctx, &s->last_picture[s->max_ref_frames-1]);
+ for(i=0; i<9; i++)
+ if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3])
+ av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture.linesize[i%3]));
}
+}
- score= INT_MAX;
- best_ref= 0;
- for(ref=0; ref<s->ref_frames; ref++){
- init_ref(c, current_data, s->last_picture[ref].data, NULL, block_w*x, block_w*y, 0);
+static int frame_start(SnowContext *s){
+ AVFrame tmp;
+ int w= s->avctx->width; //FIXME round up to x16 ?
+ int h= s->avctx->height;
- ref_score= ff_epzs_motion_search(&s->m, &ref_mx, &ref_my, P, 0, /*ref_index*/ 0, last_mv,
- (1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w);
+ if(s->current_picture.data[0]){
+ s->dsp.draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH );
+ s->dsp.draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
+ s->dsp.draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
+ }
- assert(ref_mx >= c->xmin);
- assert(ref_mx <= c->xmax);
- assert(ref_my >= c->ymin);
- assert(ref_my <= c->ymax);
+ release_buffer(s->avctx);
- ref_score= c->sub_motion_search(&s->m, &ref_mx, &ref_my, ref_score, 0, 0, level-LOG2_MB_SIZE+4, block_w);
- ref_score= ff_get_mb_score(&s->m, ref_mx, ref_my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0);
- ref_score+= 2*av_log2(2*ref)*c->penalty_factor;
- if(s->ref_mvs[ref]){
- s->ref_mvs[ref][index][0]= ref_mx;
- s->ref_mvs[ref][index][1]= ref_my;
- s->ref_scores[ref][index]= ref_score;
- }
- if(score > ref_score){
- score= ref_score;
- best_ref= ref;
- mx= ref_mx;
- my= ref_my;
+ tmp= s->last_picture[s->max_ref_frames-1];
+ memmove(s->last_picture+1, s->last_picture, (s->max_ref_frames-1)*sizeof(AVFrame));
+ memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4);
+ if(USE_HALFPEL_PLANE && s->current_picture.data[0])
+ halfpel_interpol(s, s->halfpel_plane[0], &s->current_picture);
+ s->last_picture[0]= s->current_picture;
+ s->current_picture= tmp;
+
+ if(s->keyframe){
+ s->ref_frames= 0;
+ }else{
+ int i;
+ for(i=0; i<s->max_ref_frames && s->last_picture[i].data[0]; i++)
+ if(i && s->last_picture[i-1].key_frame)
+ break;
+ s->ref_frames= i;
+ if(s->ref_frames==0){
+ av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n");
+ return -1;
}
}
- //FIXME if mb_cmp != SSE then intra cannot be compared currently and mb_penalty vs. lambda2
- // subpel search
- base_bits= get_rac_count(&s->c) - 8*(s->c.bytestream - s->c.bytestream_start);
- pc= s->c;
- pc.bytestream_start=
- pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
- memcpy(p_state, s->block_state, sizeof(s->block_state));
-
- if(level!=s->block_max_depth)
- put_rac(&pc, &p_state[4 + s_context], 1);
- put_rac(&pc, &p_state[1 + left->type + top->type], 0);
- if(s->ref_frames > 1)
- put_symbol(&pc, &p_state[128 + 1024 + 32*ref_context], best_ref, 0);
- pred_mv(s, &pmx, &pmy, best_ref, left, top, tr);
- put_symbol(&pc, &p_state[128 + 32*(mx_context + 16*!!best_ref)], mx - pmx, 1);
- put_symbol(&pc, &p_state[128 + 32*(my_context + 16*!!best_ref)], my - pmy, 1);
- p_len= pc.bytestream - pc.bytestream_start;
- score += (s->lambda2*(get_rac_count(&pc)-base_bits))>>FF_LAMBDA_SHIFT;
+ s->current_picture.reference= 1;
+ if(s->avctx->get_buffer(s->avctx, &s->current_picture) < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return -1;
+ }
- block_s= block_w*block_w;
- sum = pix_sum(current_data[0], stride, block_w);
- l= (sum + block_s/2)/block_s;
- iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s;
+ s->current_picture.key_frame= s->keyframe;
- block_s= block_w*block_w>>2;
- sum = pix_sum(current_data[1], uvstride, block_w>>1);
- cb= (sum + block_s/2)/block_s;
-// iscore += pix_norm1(¤t_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
- sum = pix_sum(current_data[2], uvstride, block_w>>1);
- cr= (sum + block_s/2)/block_s;
-// iscore += pix_norm1(¤t_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
+ return 0;
+}
- ic= s->c;
- ic.bytestream_start=
- ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
- memcpy(i_state, s->block_state, sizeof(s->block_state));
- if(level!=s->block_max_depth)
- put_rac(&ic, &i_state[4 + s_context], 1);
- put_rac(&ic, &i_state[1 + left->type + top->type], 1);
- put_symbol(&ic, &i_state[32], l-pl , 1);
- put_symbol(&ic, &i_state[64], cb-pcb, 1);
- put_symbol(&ic, &i_state[96], cr-pcr, 1);
- i_len= ic.bytestream - ic.bytestream_start;
- iscore += (s->lambda2*(get_rac_count(&ic)-base_bits))>>FF_LAMBDA_SHIFT;
+static av_cold void common_end(SnowContext *s){
+ int plane_index, level, orientation, i;
-// assert(score==256*256*256*64-1);
- assert(iscore < 255*255*256 + s->lambda2*10);
- assert(iscore >= 0);
- assert(l>=0 && l<=255);
- assert(pl>=0 && pl<=255);
+ av_freep(&s->spatial_dwt_buffer);
+ av_freep(&s->spatial_idwt_buffer);
- if(level==0){
- int varc= iscore >> 8;
- int vard= score >> 8;
- if (vard <= 64 || vard < varc)
- c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
- else
- c->scene_change_score+= s->m.qscale;
- }
+ s->m.me.temp= NULL;
+ av_freep(&s->m.me.scratchpad);
+ av_freep(&s->m.me.map);
+ av_freep(&s->m.me.score_map);
+ av_freep(&s->m.obmc_scratchpad);
- if(level!=s->block_max_depth){
- put_rac(&s->c, &s->block_state[4 + s_context], 0);
- score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0);
- score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0);
- score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1);
- score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1);
- score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
+ av_freep(&s->block);
+ av_freep(&s->scratchbuf);
- if(score2 < score && score2 < iscore)
- return score2;
+ for(i=0; i<MAX_REF_FRAMES; i++){
+ av_freep(&s->ref_mvs[i]);
+ av_freep(&s->ref_scores[i]);
+ if(s->last_picture[i].data[0])
+ s->avctx->release_buffer(s->avctx, &s->last_picture[i]);
}
- if(iscore < score){
- pred_mv(s, &pmx, &pmy, 0, left, top, tr);
- memcpy(pbbak, i_buffer, i_len);
- s->c= ic;
- s->c.bytestream_start= pbbak_start;
- s->c.bytestream= pbbak + i_len;
- set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, 0, BLOCK_INTRA);
- memcpy(s->block_state, i_state, sizeof(s->block_state));
- return iscore;
- }else{
- memcpy(pbbak, p_buffer, p_len);
- s->c= pc;
- s->c.bytestream_start= pbbak_start;
- s->c.bytestream= pbbak + p_len;
- set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, best_ref, 0);
- memcpy(s->block_state, p_state, sizeof(s->block_state));
- return score;
- }
-}
+ for(plane_index=0; plane_index<3; plane_index++){
+ for(level=s->spatial_decomposition_count-1; level>=0; level--){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &s->plane[plane_index].band[level][orientation];
-static av_always_inline int same_block(BlockNode *a, BlockNode *b){
- if((a->type&BLOCK_INTRA) && (b->type&BLOCK_INTRA)){
- return !((a->color[0] - b->color[0]) | (a->color[1] - b->color[1]) | (a->color[2] - b->color[2]));
- }else{
- return !((a->mx - b->mx) | (a->my - b->my) | (a->ref - b->ref) | ((a->type ^ b->type)&BLOCK_INTRA));
+ av_freep(&b->x_coeff);
+ }
+ }
}
+ if (s->mconly_picture.data[0])
+ s->avctx->release_buffer(s->avctx, &s->mconly_picture);
+ if (s->current_picture.data[0])
+ s->avctx->release_buffer(s->avctx, &s->current_picture);
}
-static void encode_q_branch2(SnowContext *s, int level, int x, int y){
- const int w= s->b_width << s->block_max_depth;
- const int rem_depth= s->block_max_depth - level;
- const int index= (x + y*w) << rem_depth;
- int trx= (x+1)<<rem_depth;
- BlockNode *b= &s->block[index];
- const BlockNode *left = x ? &s->block[index-1] : &null_block;
- const BlockNode *top = y ? &s->block[index-w] : &null_block;
- const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
- const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
- int pl = left->color[0];
- int pcb= left->color[1];
- int pcr= left->color[2];
- int pmx, pmy;
- int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
- int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 16*!!b->ref;
- int my_context= av_log2(2*FFABS(left->my - top->my)) + 16*!!b->ref;
- int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+static av_cold int decode_init(AVCodecContext *avctx)
+{
+ avctx->pix_fmt= PIX_FMT_YUV420P;
- if(s->keyframe){
- set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
- return;
- }
+ common_init(avctx);
- if(level!=s->block_max_depth){
- if(same_block(b,b+1) && same_block(b,b+w) && same_block(b,b+w+1)){
- put_rac(&s->c, &s->block_state[4 + s_context], 1);
- }else{
- put_rac(&s->c, &s->block_state[4 + s_context], 0);
- encode_q_branch2(s, level+1, 2*x+0, 2*y+0);
- encode_q_branch2(s, level+1, 2*x+1, 2*y+0);
- encode_q_branch2(s, level+1, 2*x+0, 2*y+1);
- encode_q_branch2(s, level+1, 2*x+1, 2*y+1);
- return;
- }
- }
- if(b->type & BLOCK_INTRA){
- pred_mv(s, &pmx, &pmy, 0, left, top, tr);
- put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 1);
- put_symbol(&s->c, &s->block_state[32], b->color[0]-pl , 1);
- put_symbol(&s->c, &s->block_state[64], b->color[1]-pcb, 1);
- put_symbol(&s->c, &s->block_state[96], b->color[2]-pcr, 1);
- set_blocks(s, level, x, y, b->color[0], b->color[1], b->color[2], pmx, pmy, 0, BLOCK_INTRA);
- }else{
- pred_mv(s, &pmx, &pmy, b->ref, left, top, tr);
- put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 0);
- if(s->ref_frames > 1)
- put_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], b->ref, 0);
- put_symbol(&s->c, &s->block_state[128 + 32*mx_context], b->mx - pmx, 1);
- put_symbol(&s->c, &s->block_state[128 + 32*my_context], b->my - pmy, 1);
- set_blocks(s, level, x, y, pl, pcb, pcr, b->mx, b->my, b->ref, 0);
- }
+ return 0;
}
-static void decode_q_branch(SnowContext *s, int level, int x, int y){
- const int w= s->b_width << s->block_max_depth;
- const int rem_depth= s->block_max_depth - level;
- const int index= (x + y*w) << rem_depth;
- int trx= (x+1)<<rem_depth;
- const BlockNode *left = x ? &s->block[index-1] : &null_block;
- const BlockNode *top = y ? &s->block[index-w] : &null_block;
- const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
- const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
- int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ SnowContext *s = avctx->priv_data;
+ RangeCoder * const c= &s->c;
+ int bytes_read;
+ AVFrame *picture = data;
+ int level, orientation, plane_index;
+
+ ff_init_range_decoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
+
+ s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
+ if(decode_header(s)<0)
+ return -1;
+ common_init_after_header(avctx);
- if(s->keyframe){
- set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, null_block.ref, BLOCK_INTRA);
- return;
+ // realloc slice buffer for the case that spatial_decomposition_count changed
+ ff_slice_buffer_destroy(&s->sb);
+ ff_slice_buffer_init(&s->sb, s->plane[0].height, (MB_SIZE >> s->block_max_depth) + s->spatial_decomposition_count * 8 + 1, s->plane[0].width, s->spatial_idwt_buffer);
+
+ for(plane_index=0; plane_index<3; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ p->fast_mc= p->diag_mc && p->htaps==6 && p->hcoeff[0]==40
+ && p->hcoeff[1]==-10
+ && p->hcoeff[2]==2;
}
- if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){
- int type, mx, my;
- int l = left->color[0];
- int cb= left->color[1];
- int cr= left->color[2];
- int ref = 0;
- int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
- int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 0*av_log2(2*FFABS(tr->mx - top->mx));
- int my_context= av_log2(2*FFABS(left->my - top->my)) + 0*av_log2(2*FFABS(tr->my - top->my));
+ alloc_blocks(s);
- type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0;
+ if(frame_start(s) < 0)
+ return -1;
+ //keyframe flag duplication mess FIXME
+ if(avctx->debug&FF_DEBUG_PICT_INFO)
+ av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog);
- if(type){
- pred_mv(s, &mx, &my, 0, left, top, tr);
- l += get_symbol(&s->c, &s->block_state[32], 1);
- cb+= get_symbol(&s->c, &s->block_state[64], 1);
- cr+= get_symbol(&s->c, &s->block_state[96], 1);
- }else{
- if(s->ref_frames > 1)
- ref= get_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], 0);
- pred_mv(s, &mx, &my, ref, left, top, tr);
- mx+= get_symbol(&s->c, &s->block_state[128 + 32*(mx_context + 16*!!ref)], 1);
- my+= get_symbol(&s->c, &s->block_state[128 + 32*(my_context + 16*!!ref)], 1);
+ decode_blocks(s);
+
+ for(plane_index=0; plane_index<3; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ int w= p->width;
+ int h= p->height;
+ int x, y;
+ int decode_state[MAX_DECOMPOSITIONS][4][1]; /* Stored state info for unpack_coeffs. 1 variable per instance. */
+
+ if(s->avctx->debug&2048){
+ memset(s->spatial_dwt_buffer, 0, sizeof(DWTELEM)*w*h);
+ predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
+
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int v= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x];
+ s->mconly_picture.data[plane_index][y*s->mconly_picture.linesize[plane_index] + x]= v;
+ }
+ }
}
- set_blocks(s, level, x, y, l, cb, cr, mx, my, ref, type);
- }else{
- decode_q_branch(s, level+1, 2*x+0, 2*y+0);
- decode_q_branch(s, level+1, 2*x+1, 2*y+0);
- decode_q_branch(s, level+1, 2*x+0, 2*y+1);
- decode_q_branch(s, level+1, 2*x+1, 2*y+1);
- }
-}
-static void encode_blocks(SnowContext *s, int search){
- int x, y;
- int w= s->b_width;
- int h= s->b_height;
+ {
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ unpack_coeffs(s, b, b->parent, orientation);
+ }
+ }
+ }
- if(s->avctx->me_method == ME_ITER && !s->keyframe && search)
- iterative_me(s);
+ {
+ const int mb_h= s->b_height << s->block_max_depth;
+ const int block_size = MB_SIZE >> s->block_max_depth;
+ const int block_w = plane_index ? block_size/2 : block_size;
+ int mb_y;
+ DWTCompose cs[MAX_DECOMPOSITIONS];
+ int yd=0, yq=0;
+ int y;
+ int end_y;
- for(y=0; y<h; y++){
- if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
- return;
+ ff_spatial_idwt_buffered_init(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count);
+ for(mb_y=0; mb_y<=mb_h; mb_y++){
+
+ int slice_starty = block_w*mb_y;
+ int slice_h = block_w*(mb_y+1);
+ if (!(s->keyframe || s->avctx->debug&512)){
+ slice_starty = FFMAX(0, slice_starty - (block_w >> 1));
+ slice_h -= (block_w >> 1);
+ }
+
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+ int start_y;
+ int end_y;
+ int our_mb_start = mb_y;
+ int our_mb_end = (mb_y + 1);
+ const int extra= 3;
+ start_y = (mb_y ? ((block_w * our_mb_start) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra: 0);
+ end_y = (((block_w * our_mb_end) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra);
+ if (!(s->keyframe || s->avctx->debug&512)){
+ start_y = FFMAX(0, start_y - (block_w >> (1+s->spatial_decomposition_count - level)));
+ end_y = FFMAX(0, end_y - (block_w >> (1+s->spatial_decomposition_count - level)));
+ }
+ start_y = FFMIN(b->height, start_y);
+ end_y = FFMIN(b->height, end_y);
+
+ if (start_y != end_y){
+ if (orientation == 0){
+ SubBand * correlate_band = &p->band[0][0];
+ int correlate_end_y = FFMIN(b->height, end_y + 1);
+ int correlate_start_y = FFMIN(b->height, (start_y ? start_y + 1 : 0));
+ decode_subband_slice_buffered(s, correlate_band, &s->sb, correlate_start_y, correlate_end_y, decode_state[0][0]);
+ correlate_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, 1, 0, correlate_start_y, correlate_end_y);
+ dequantize_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, start_y, end_y);
+ }
+ else
+ decode_subband_slice_buffered(s, b, &s->sb, start_y, end_y, decode_state[level][orientation]);
+ }
+ }
+ }
+
+ for(; yd<slice_h; yd+=4){
+ ff_spatial_idwt_buffered_slice(&s->dwt, cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count, yd);
+ }
+
+ if(s->qlog == LOSSLESS_QLOG){
+ for(; yq<slice_h && yq<h; yq++){
+ IDWTELEM * line = slice_buffer_get_line(&s->sb, yq);
+ for(x=0; x<w; x++){
+ line[x] <<= FRAC_BITS;
+ }
+ }
+ }
+
+ predict_slice_buffered(s, &s->sb, s->spatial_idwt_buffer, plane_index, 1, mb_y);
+
+ y = FFMIN(p->height, slice_starty);
+ end_y = FFMIN(p->height, slice_h);
+ while(y < end_y)
+ ff_slice_buffer_release(&s->sb, y++);
}
- for(x=0; x<w; x++){
- if(s->avctx->me_method == ME_ITER || !search)
- encode_q_branch2(s, 0, x, y);
- else
- encode_q_branch (s, 0, x, y);
+
+ ff_slice_buffer_flush(&s->sb);
}
+
}
+
+ emms_c();
+
+ release_buffer(avctx);
+
+ if(!(s->avctx->debug&2048))
+ *picture= s->current_picture;
+ else
+ *picture= s->mconly_picture;
+
+ *data_size = sizeof(AVFrame);
+
+ bytes_read= c->bytestream - c->bytestream_start;
+ if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n"); //FIXME
+
+ return bytes_read;
}
-static void decode_blocks(SnowContext *s){
- int x, y;
- int w= s->b_width;
- int h= s->b_height;
+static av_cold int decode_end(AVCodecContext *avctx)
+{
+ SnowContext *s = avctx->priv_data;
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- decode_q_branch(s, 0, x, y);
- }
- }
+ ff_slice_buffer_destroy(&s->sb);
+
+ common_end(s);
+
+ return 0;
}
-static void mc_block(uint8_t *dst, const uint8_t *src, uint8_t *tmp, int stride, int b_w, int b_h, int dx, int dy){
- const static uint8_t weight[64]={
- 8,7,6,5,4,3,2,1,
- 7,7,0,0,0,0,0,1,
- 6,0,6,0,0,0,2,0,
- 5,0,0,5,0,3,0,0,
- 4,0,0,0,4,0,0,0,
- 3,0,0,5,0,3,0,0,
- 2,0,6,0,0,0,2,0,
- 1,7,0,0,0,0,0,1,
- };
+AVCodec ff_snow_decoder = {
+ "snow",
+ AVMEDIA_TYPE_VIDEO,
+ CODEC_ID_SNOW,
+ sizeof(SnowContext),
+ decode_init,
+ NULL,
+ decode_end,
+ decode_frame,
+ CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Snow"),
+};
- const static uint8_t brane[256]={
- 0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x11,0x12,0x12,0x12,0x12,0x12,0x12,0x12,
- 0x04,0x05,0xcc,0xcc,0xcc,0xcc,0xcc,0x41,0x15,0x16,0xcc,0xcc,0xcc,0xcc,0xcc,0x52,
- 0x04,0xcc,0x05,0xcc,0xcc,0xcc,0x41,0xcc,0x15,0xcc,0x16,0xcc,0xcc,0xcc,0x52,0xcc,
- 0x04,0xcc,0xcc,0x05,0xcc,0x41,0xcc,0xcc,0x15,0xcc,0xcc,0x16,0xcc,0x52,0xcc,0xcc,
- 0x04,0xcc,0xcc,0xcc,0x41,0xcc,0xcc,0xcc,0x15,0xcc,0xcc,0xcc,0x16,0xcc,0xcc,0xcc,
- 0x04,0xcc,0xcc,0x41,0xcc,0x05,0xcc,0xcc,0x15,0xcc,0xcc,0x52,0xcc,0x16,0xcc,0xcc,
- 0x04,0xcc,0x41,0xcc,0xcc,0xcc,0x05,0xcc,0x15,0xcc,0x52,0xcc,0xcc,0xcc,0x16,0xcc,
- 0x04,0x41,0xcc,0xcc,0xcc,0xcc,0xcc,0x05,0x15,0x52,0xcc,0xcc,0xcc,0xcc,0xcc,0x16,
- 0x44,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x55,0x56,0x56,0x56,0x56,0x56,0x56,0x56,
- 0x48,0x49,0xcc,0xcc,0xcc,0xcc,0xcc,0x85,0x59,0x5A,0xcc,0xcc,0xcc,0xcc,0xcc,0x96,
- 0x48,0xcc,0x49,0xcc,0xcc,0xcc,0x85,0xcc,0x59,0xcc,0x5A,0xcc,0xcc,0xcc,0x96,0xcc,
- 0x48,0xcc,0xcc,0x49,0xcc,0x85,0xcc,0xcc,0x59,0xcc,0xcc,0x5A,0xcc,0x96,0xcc,0xcc,
- 0x48,0xcc,0xcc,0xcc,0x49,0xcc,0xcc,0xcc,0x59,0xcc,0xcc,0xcc,0x96,0xcc,0xcc,0xcc,
- 0x48,0xcc,0xcc,0x85,0xcc,0x49,0xcc,0xcc,0x59,0xcc,0xcc,0x96,0xcc,0x5A,0xcc,0xcc,
- 0x48,0xcc,0x85,0xcc,0xcc,0xcc,0x49,0xcc,0x59,0xcc,0x96,0xcc,0xcc,0xcc,0x5A,0xcc,
- 0x48,0x85,0xcc,0xcc,0xcc,0xcc,0xcc,0x49,0x59,0x96,0xcc,0xcc,0xcc,0xcc,0xcc,0x5A,
- };
+#if CONFIG_SNOW_ENCODER
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+ SnowContext *s = avctx->priv_data;
+ int plane_index;
- const static uint8_t needs[16]={
- 0,1,0,0,
- 2,4,2,0,
- 0,1,0,0,
- 15
- };
+ if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
+ av_log(avctx, AV_LOG_ERROR, "This codec is under development, files encoded with it may not be decodable with future versions!!!\n"
+ "Use vstrict=-2 / -strict -2 to use it anyway.\n");
+ return -1;
+ }
- int x, y, b, r, l;
- int16_t tmpIt [64*(32+HTAPS)];
- uint8_t tmp2t[3][stride*(32+HTAPS)];
- int16_t *tmpI= tmpIt;
- uint8_t *tmp2= tmp2t[0];
- uint8_t *hpel[11];
-START_TIMER
- assert(dx<16 && dy<16);
- r= brane[dx + 16*dy]&15;
- l= brane[dx + 16*dy]>>4;
+ if(avctx->prediction_method == DWT_97
+ && (avctx->flags & CODEC_FLAG_QSCALE)
+ && avctx->global_quality == 0){
+ av_log(avctx, AV_LOG_ERROR, "The 9/7 wavelet is incompatible with lossless mode.\n");
+ return -1;
+ }
- b= needs[l] | needs[r];
+ s->spatial_decomposition_type= avctx->prediction_method; //FIXME add decorrelator type r transform_type
- if(b&5){
- for(y=0; y < b_h+HTAPS-1; y++){
- for(x=0; x < b_w; x++){
- int a_2=src[x + HTAPS/2-5];
- int a_1=src[x + HTAPS/2-4];
- int a0= src[x + HTAPS/2-3];
- int a1= src[x + HTAPS/2-2];
- int a2= src[x + HTAPS/2-1];
- int a3= src[x + HTAPS/2+0];
- int a4= src[x + HTAPS/2+1];
- int a5= src[x + HTAPS/2+2];
- int a6= src[x + HTAPS/2+3];
- int a7= src[x + HTAPS/2+4];
-#if HTAPS==6
- int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
-#else
- int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
-#endif
+ s->mv_scale = (avctx->flags & CODEC_FLAG_QPEL) ? 2 : 4;
+ s->block_max_depth= (avctx->flags & CODEC_FLAG_4MV ) ? 1 : 0;
- tmpI[x]= am;
- am= (am+16)>>5;
- if(am&(~255)) am= ~(am>>31);
- tmp2[x]= am;
- }
- tmpI+= 64;
- tmp2+= stride;
- src += stride;
- }
- src -= stride*y;
+ for(plane_index=0; plane_index<3; plane_index++){
+ s->plane[plane_index].diag_mc= 1;
+ s->plane[plane_index].htaps= 6;
+ s->plane[plane_index].hcoeff[0]= 40;
+ s->plane[plane_index].hcoeff[1]= -10;
+ s->plane[plane_index].hcoeff[2]= 2;
+ s->plane[plane_index].fast_mc= 1;
}
- src += HTAPS/2 - 1;
- tmp2= tmp2t[1];
- if(b&2){
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w+1; x++){
- int a_2=src[x + (HTAPS/2-5)*stride];
- int a_1=src[x + (HTAPS/2-4)*stride];
- int a0= src[x + (HTAPS/2-3)*stride];
- int a1= src[x + (HTAPS/2-2)*stride];
- int a2= src[x + (HTAPS/2-1)*stride];
- int a3= src[x + (HTAPS/2+0)*stride];
- int a4= src[x + (HTAPS/2+1)*stride];
- int a5= src[x + (HTAPS/2+2)*stride];
- int a6= src[x + (HTAPS/2+3)*stride];
- int a7= src[x + (HTAPS/2+4)*stride];
-#if HTAPS==6
- int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
-#else
- int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
-#endif
+ common_init(avctx);
+ alloc_blocks(s);
- am= (am + 16)>>5;
- if(am&(~255)) am= ~(am>>31);
- tmp2[x]= am;
- }
- src += stride;
- tmp2+= stride;
- }
- src -= stride*y;
+ s->version=0;
+
+ s->m.avctx = avctx;
+ s->m.flags = avctx->flags;
+ s->m.bit_rate= avctx->bit_rate;
+
+ s->m.me.temp =
+ s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
+ s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
+ s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
+ s->m.obmc_scratchpad= av_mallocz(MB_SIZE*MB_SIZE*12*sizeof(uint32_t));
+ h263_encode_init(&s->m); //mv_penalty
+
+ s->max_ref_frames = FFMAX(FFMIN(avctx->refs, MAX_REF_FRAMES), 1);
+
+ if(avctx->flags&CODEC_FLAG_PASS1){
+ if(!avctx->stats_out)
+ avctx->stats_out = av_mallocz(256);
}
- src += stride*(HTAPS/2 - 1);
- tmp2= tmp2t[2];
- tmpI= tmpIt;
- if(b&4){
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- int a_2=tmpI[x + (HTAPS/2-5)*64];
- int a_1=tmpI[x + (HTAPS/2-4)*64];
- int a0= tmpI[x + (HTAPS/2-3)*64];
- int a1= tmpI[x + (HTAPS/2-2)*64];
- int a2= tmpI[x + (HTAPS/2-1)*64];
- int a3= tmpI[x + (HTAPS/2+0)*64];
- int a4= tmpI[x + (HTAPS/2+1)*64];
- int a5= tmpI[x + (HTAPS/2+2)*64];
- int a6= tmpI[x + (HTAPS/2+3)*64];
- int a7= tmpI[x + (HTAPS/2+4)*64];
-#if HTAPS==6
- int am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5);
-#else
- int am= 21*(a2+a3) - 7*(a1+a4) + 3*(a0+a5) - (a_1+a6);
-#endif
- am= (am + 512)>>10;
- if(am&(~255)) am= ~(am>>31);
- tmp2[x]= am;
- }
- tmpI+= 64;
- tmp2+= stride;
- }
+ if((avctx->flags&CODEC_FLAG_PASS2) || !(avctx->flags&CODEC_FLAG_QSCALE)){
+ if(ff_rate_control_init(&s->m) < 0)
+ return -1;
}
+ s->pass1_rc= !(avctx->flags & (CODEC_FLAG_QSCALE|CODEC_FLAG_PASS2));
- hpel[ 0]= src;
- hpel[ 1]= tmp2t[0] + stride*(HTAPS/2-1);
- hpel[ 2]= src + 1;
+ avctx->coded_frame= &s->current_picture;
+ switch(avctx->pix_fmt){
+// case PIX_FMT_YUV444P:
+// case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_GRAY8:
+// case PIX_FMT_YUV411P:
+// case PIX_FMT_YUV410P:
+ s->colorspace_type= 0;
+ break;
+/* case PIX_FMT_RGB32:
+ s->colorspace= 1;
+ break;*/
+ default:
+ av_log(avctx, AV_LOG_ERROR, "pixel format not supported\n");
+ return -1;
+ }
+// avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
+ s->chroma_h_shift= 1;
+ s->chroma_v_shift= 1;
- hpel[ 4]= tmp2t[1];
- hpel[ 5]= tmp2t[2];
- hpel[ 6]= tmp2t[1] + 1;
+ ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp);
+ ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
- hpel[ 8]= src + stride;
- hpel[ 9]= hpel[1] + stride;
- hpel[10]= hpel[8] + 1;
+ s->avctx->get_buffer(s->avctx, &s->input_picture);
- if(b==15){
- uint8_t *src1= hpel[dx/8 + dy/8*4 ];
- uint8_t *src2= hpel[dx/8 + dy/8*4+1];
- uint8_t *src3= hpel[dx/8 + dy/8*4+4];
- uint8_t *src4= hpel[dx/8 + dy/8*4+5];
- dx&=7;
- dy&=7;
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+
- (8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6;
- }
- src1+=stride;
- src2+=stride;
- src3+=stride;
- src4+=stride;
- dst +=stride;
- }
- }else{
- uint8_t *src1= hpel[l];
- uint8_t *src2= hpel[r];
- int a= weight[((dx&7) + (8*(dy&7)))];
- int b= 8-a;
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- dst[x]= (a*src1[x] + b*src2[x] + 4)>>3;
- }
- src1+=stride;
- src2+=stride;
- dst +=stride;
+ if(s->avctx->me_method == ME_ITER){
+ int i;
+ int size= s->b_width * s->b_height << 2*s->block_max_depth;
+ for(i=0; i<s->max_ref_frames; i++){
+ s->ref_mvs[i]= av_mallocz(size*sizeof(int16_t[2]));
+ s->ref_scores[i]= av_mallocz(size*sizeof(uint32_t));
}
}
-STOP_TIMER("mc_block")
-}
-#define mca(dx,dy,b_w)\
-static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, int stride, int h){\
- uint8_t tmp[stride*(b_w+HTAPS-1)];\
- assert(h==b_w);\
- mc_block(dst, src-(HTAPS/2-1)-(HTAPS/2-1)*stride, tmp, stride, b_w, b_w, dx, dy);\
+ return 0;
}
-mca( 0, 0,16)
-mca( 8, 0,16)
-mca( 0, 8,16)
-mca( 8, 8,16)
-mca( 0, 0,8)
-mca( 8, 0,8)
-mca( 0, 8,8)
-mca( 8, 8,8)
+//near copy & paste from dsputil, FIXME
+static int pix_sum(uint8_t * pix, int line_size, int w)
+{
+ int s, i, j;
-static void pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){
- if(block->type & BLOCK_INTRA){
- int x, y;
- const int color = block->color[plane_index];
- const int color4= color*0x01010101;
- if(b_w==32){
- for(y=0; y < b_h; y++){
- *(uint32_t*)&dst[0 + y*stride]= color4;
- *(uint32_t*)&dst[4 + y*stride]= color4;
- *(uint32_t*)&dst[8 + y*stride]= color4;
- *(uint32_t*)&dst[12+ y*stride]= color4;
- *(uint32_t*)&dst[16+ y*stride]= color4;
- *(uint32_t*)&dst[20+ y*stride]= color4;
- *(uint32_t*)&dst[24+ y*stride]= color4;
- *(uint32_t*)&dst[28+ y*stride]= color4;
- }
- }else if(b_w==16){
- for(y=0; y < b_h; y++){
- *(uint32_t*)&dst[0 + y*stride]= color4;
- *(uint32_t*)&dst[4 + y*stride]= color4;
- *(uint32_t*)&dst[8 + y*stride]= color4;
- *(uint32_t*)&dst[12+ y*stride]= color4;
- }
- }else if(b_w==8){
- for(y=0; y < b_h; y++){
- *(uint32_t*)&dst[0 + y*stride]= color4;
- *(uint32_t*)&dst[4 + y*stride]= color4;
- }
- }else if(b_w==4){
- for(y=0; y < b_h; y++){
- *(uint32_t*)&dst[0 + y*stride]= color4;
- }
- }else{
- for(y=0; y < b_h; y++){
- for(x=0; x < b_w; x++){
- dst[x + y*stride]= color;
- }
- }
- }
- }else{
- uint8_t *src= s->last_picture[block->ref].data[plane_index];
- const int scale= plane_index ? s->mv_scale : 2*s->mv_scale;
- int mx= block->mx*scale;
- int my= block->my*scale;
- const int dx= mx&15;
- const int dy= my&15;
- const int tab_index= 3 - (b_w>>2) + (b_w>>4);
- sx += (mx>>4) - (HTAPS/2-1);
- sy += (my>>4) - (HTAPS/2-1);
- src += sx + sy*stride;
- if( (unsigned)sx >= w - b_w - (HTAPS-2)
- || (unsigned)sy >= h - b_h - (HTAPS-2)){
- ff_emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS-1, b_h+HTAPS-1, sx, sy, w, h);
- src= tmp + MB_SIZE;
- }
-// assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
-// assert(!(b_w&(b_w-1)));
- assert(b_w>1 && b_h>1);
- assert(tab_index>=0 && tab_index<4 || b_w==32);
- if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || HTAPS != 6)
- mc_block(dst, src, tmp, stride, b_w, b_h, dx, dy);
- else if(b_w==32){
- int y;
- for(y=0; y<b_h; y+=16){
- s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 2 + (y+2)*stride,stride);
- s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 18 + (y+2)*stride,stride);
- }
- }else if(b_w==b_h)
- s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 2 + 2*stride,stride);
- else if(b_w==2*b_h){
- s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 2 + 2*stride,stride);
- s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 2 + b_h + 2*stride,stride);
- }else{
- assert(2*b_w==b_h);
- s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 2 + 2*stride ,stride);
- s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 2 + 2*stride+b_w*stride,stride);
+ s = 0;
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < w; j++) {
+ s += pix[0];
+ pix ++;
}
+ pix += line_size - w;
}
+ return s;
}
-void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
- int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
- int y, x;
- IDWTELEM * dst;
- for(y=0; y<b_h; y++){
- //FIXME ugly misuse of obmc_stride
- const uint8_t *obmc1= obmc + y*obmc_stride;
- const uint8_t *obmc2= obmc1+ (obmc_stride>>1);
- const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
- const uint8_t *obmc4= obmc3+ (obmc_stride>>1);
- dst = slice_buffer_get_line(sb, src_y + y);
- for(x=0; x<b_w; x++){
- int v= obmc1[x] * block[3][x + y*src_stride]
- +obmc2[x] * block[2][x + y*src_stride]
- +obmc3[x] * block[1][x + y*src_stride]
- +obmc4[x] * block[0][x + y*src_stride];
+//near copy & paste from dsputil, FIXME
+static int pix_norm1(uint8_t * pix, int line_size, int w)
+{
+ int s, i, j;
+ uint32_t *sq = ff_squareTbl + 256;
- v <<= 8 - LOG2_OBMC_MAX;
- if(FRAC_BITS != 8){
- v >>= 8 - FRAC_BITS;
- }
- if(add){
- v += dst[x + src_x];
- v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
- if(v&(~255)) v= ~(v>>31);
- dst8[x + y*src_stride] = v;
- }else{
- dst[x + src_x] -= v;
- }
+ s = 0;
+ for (i = 0; i < w; i++) {
+ for (j = 0; j < w; j ++) {
+ s += sq[pix[0]];
+ pix ++;
}
+ pix += line_size - w;
}
+ return s;
}
-//FIXME name clenup (b_w, block_w, b_width stuff)
-static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer *sb, IDWTELEM *dst, uint8_t *dst8, const uint8_t *obmc, int src_x, int src_y, int b_w, int b_h, int w, int h, int dst_stride, int src_stride, int obmc_stride, int b_x, int b_y, int add, int offset_dst, int plane_index){
- const int b_width = s->b_width << s->block_max_depth;
- const int b_height= s->b_height << s->block_max_depth;
- const int b_stride= b_width;
- BlockNode *lt= &s->block[b_x + b_y*b_stride];
- BlockNode *rt= lt+1;
- BlockNode *lb= lt+b_stride;
- BlockNode *rb= lb+1;
- uint8_t *block[4];
- int tmp_step= src_stride >= 7*MB_SIZE ? MB_SIZE : MB_SIZE*src_stride;
- uint8_t tmp[src_stride*7*MB_SIZE]; //FIXME align
- uint8_t *ptmp;
- int x,y;
+//FIXME copy&paste
+#define P_LEFT P[1]
+#define P_TOP P[2]
+#define P_TOPRIGHT P[3]
+#define P_MEDIAN P[4]
+#define P_MV1 P[9]
+#define FLAG_QPEL 1 //must be 1
+
+static int encode_q_branch(SnowContext *s, int level, int x, int y){
+ uint8_t p_buffer[1024];
+ uint8_t i_buffer[1024];
+ uint8_t p_state[sizeof(s->block_state)];
+ uint8_t i_state[sizeof(s->block_state)];
+ RangeCoder pc, ic;
+ uint8_t *pbbak= s->c.bytestream;
+ uint8_t *pbbak_start= s->c.bytestream_start;
+ int score, score2, iscore, i_len, p_len, block_s, sum, base_bits;
+ const int w= s->b_width << s->block_max_depth;
+ const int h= s->b_height << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ const int block_w= 1<<(LOG2_MB_SIZE - level);
+ int trx= (x+1)<<rem_depth;
+ int try= (y+1)<<rem_depth;
+ const BlockNode *left = x ? &s->block[index-1] : &null_block;
+ const BlockNode *top = y ? &s->block[index-w] : &null_block;
+ const BlockNode *right = trx<w ? &s->block[index+1] : &null_block;
+ const BlockNode *bottom= try<h ? &s->block[index+w] : &null_block;
+ const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int pl = left->color[0];
+ int pcb= left->color[1];
+ int pcr= left->color[2];
+ int pmx, pmy;
+ int mx=0, my=0;
+ int l,cr,cb;
+ const int stride= s->current_picture.linesize[0];
+ const int uvstride= s->current_picture.linesize[1];
+ uint8_t *current_data[3]= { s->input_picture.data[0] + (x + y* stride)*block_w,
+ s->input_picture.data[1] + (x + y*uvstride)*block_w/2,
+ s->input_picture.data[2] + (x + y*uvstride)*block_w/2};
+ int P[10][2];
+ int16_t last_mv[3][2];
+ int qpel= !!(s->avctx->flags & CODEC_FLAG_QPEL); //unused
+ const int shift= 1+qpel;
+ MotionEstContext *c= &s->m.me;
+ int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
+ int mx_context= av_log2(2*FFABS(left->mx - top->mx));
+ int my_context= av_log2(2*FFABS(left->my - top->my));
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+ int ref, best_ref, ref_score, ref_mx, ref_my;
+
+ assert(sizeof(s->block_state) >= 256);
+ if(s->keyframe){
+ set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
+ return 0;
+ }
+
+// clip predictors / edge ?
+
+ P_LEFT[0]= left->mx;
+ P_LEFT[1]= left->my;
+ P_TOP [0]= top->mx;
+ P_TOP [1]= top->my;
+ P_TOPRIGHT[0]= tr->mx;
+ P_TOPRIGHT[1]= tr->my;
+
+ last_mv[0][0]= s->block[index].mx;
+ last_mv[0][1]= s->block[index].my;
+ last_mv[1][0]= right->mx;
+ last_mv[1][1]= right->my;
+ last_mv[2][0]= bottom->mx;
+ last_mv[2][1]= bottom->my;
+
+ s->m.mb_stride=2;
+ s->m.mb_x=
+ s->m.mb_y= 0;
+ c->skip= 0;
- if(b_x<0){
- lt= rt;
- lb= rb;
- }else if(b_x + 1 >= b_width){
- rt= lt;
- rb= lb;
- }
- if(b_y<0){
- lt= lb;
- rt= rb;
- }else if(b_y + 1 >= b_height){
- lb= lt;
- rb= rt;
- }
+ assert(c-> stride == stride);
+ assert(c->uvstride == uvstride);
- if(src_x<0){ //FIXME merge with prev & always round internal width upto *16
- obmc -= src_x;
- b_w += src_x;
- if(!sliced && !offset_dst)
- dst -= src_x;
- src_x=0;
- }else if(src_x + b_w > w){
- b_w = w - src_x;
- }
- if(src_y<0){
- obmc -= src_y*obmc_stride;
- b_h += src_y;
- if(!sliced && !offset_dst)
- dst -= src_y*dst_stride;
- src_y=0;
- }else if(src_y + b_h> h){
- b_h = h - src_y;
- }
+ c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
+ c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
+ c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
+ c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
- if(b_w<=0 || b_h<=0) return;
+ c->xmin = - x*block_w - 16+3;
+ c->ymin = - y*block_w - 16+3;
+ c->xmax = - (x+1)*block_w + (w<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3;
+ c->ymax = - (y+1)*block_w + (h<<(LOG2_MB_SIZE - s->block_max_depth)) + 16-3;
-assert(src_stride > 2*MB_SIZE + 5);
- if(!sliced && offset_dst)
- dst += src_x + src_y*dst_stride;
- dst8+= src_x + src_y*src_stride;
-// src += src_x + src_y*src_stride;
+ if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift);
+ if(P_LEFT[1] > (c->ymax<<shift)) P_LEFT[1] = (c->ymax<<shift);
+ if(P_TOP[0] > (c->xmax<<shift)) P_TOP[0] = (c->xmax<<shift);
+ if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift);
+ if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
+ if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
+ if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
- ptmp= tmp + 3*tmp_step;
- block[0]= ptmp;
- ptmp+=tmp_step;
- pred_block(s, block[0], tmp, src_stride, src_x, src_y, b_w, b_h, lt, plane_index, w, h);
+ P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]);
+ P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]);
- if(same_block(lt, rt)){
- block[1]= block[0];
- }else{
- block[1]= ptmp;
- ptmp+=tmp_step;
- pred_block(s, block[1], tmp, src_stride, src_x, src_y, b_w, b_h, rt, plane_index, w, h);
+ if (!y) {
+ c->pred_x= P_LEFT[0];
+ c->pred_y= P_LEFT[1];
+ } else {
+ c->pred_x = P_MEDIAN[0];
+ c->pred_y = P_MEDIAN[1];
}
- if(same_block(lt, lb)){
- block[2]= block[0];
- }else if(same_block(rt, lb)){
- block[2]= block[1];
- }else{
- block[2]= ptmp;
- ptmp+=tmp_step;
- pred_block(s, block[2], tmp, src_stride, src_x, src_y, b_w, b_h, lb, plane_index, w, h);
- }
+ score= INT_MAX;
+ best_ref= 0;
+ for(ref=0; ref<s->ref_frames; ref++){
+ init_ref(c, current_data, s->last_picture[ref].data, NULL, block_w*x, block_w*y, 0);
- if(same_block(lt, rb) ){
- block[3]= block[0];
- }else if(same_block(rt, rb)){
- block[3]= block[1];
- }else if(same_block(lb, rb)){
- block[3]= block[2];
- }else{
- block[3]= ptmp;
- pred_block(s, block[3], tmp, src_stride, src_x, src_y, b_w, b_h, rb, plane_index, w, h);
- }
-#if 0
- for(y=0; y<b_h; y++){
- for(x=0; x<b_w; x++){
- int v= obmc [x + y*obmc_stride] * block[3][x + y*src_stride] * (256/OBMC_MAX);
- if(add) dst[x + y*dst_stride] += v;
- else dst[x + y*dst_stride] -= v;
- }
- }
- for(y=0; y<b_h; y++){
- uint8_t *obmc2= obmc + (obmc_stride>>1);
- for(x=0; x<b_w; x++){
- int v= obmc2[x + y*obmc_stride] * block[2][x + y*src_stride] * (256/OBMC_MAX);
- if(add) dst[x + y*dst_stride] += v;
- else dst[x + y*dst_stride] -= v;
- }
- }
- for(y=0; y<b_h; y++){
- uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
- for(x=0; x<b_w; x++){
- int v= obmc3[x + y*obmc_stride] * block[1][x + y*src_stride] * (256/OBMC_MAX);
- if(add) dst[x + y*dst_stride] += v;
- else dst[x + y*dst_stride] -= v;
+ ref_score= ff_epzs_motion_search(&s->m, &ref_mx, &ref_my, P, 0, /*ref_index*/ 0, last_mv,
+ (1<<16)>>shift, level-LOG2_MB_SIZE+4, block_w);
+
+ assert(ref_mx >= c->xmin);
+ assert(ref_mx <= c->xmax);
+ assert(ref_my >= c->ymin);
+ assert(ref_my <= c->ymax);
+
+ ref_score= c->sub_motion_search(&s->m, &ref_mx, &ref_my, ref_score, 0, 0, level-LOG2_MB_SIZE+4, block_w);
+ ref_score= ff_get_mb_score(&s->m, ref_mx, ref_my, 0, 0, level-LOG2_MB_SIZE+4, block_w, 0);
+ ref_score+= 2*av_log2(2*ref)*c->penalty_factor;
+ if(s->ref_mvs[ref]){
+ s->ref_mvs[ref][index][0]= ref_mx;
+ s->ref_mvs[ref][index][1]= ref_my;
+ s->ref_scores[ref][index]= ref_score;
}
- }
- for(y=0; y<b_h; y++){
- uint8_t *obmc3= obmc + obmc_stride*(obmc_stride>>1);
- uint8_t *obmc4= obmc3+ (obmc_stride>>1);
- for(x=0; x<b_w; x++){
- int v= obmc4[x + y*obmc_stride] * block[0][x + y*src_stride] * (256/OBMC_MAX);
- if(add) dst[x + y*dst_stride] += v;
- else dst[x + y*dst_stride] -= v;
+ if(score > ref_score){
+ score= ref_score;
+ best_ref= ref;
+ mx= ref_mx;
+ my= ref_my;
}
}
-#else
- if(sliced){
- START_TIMER
+ //FIXME if mb_cmp != SSE then intra cannot be compared currently and mb_penalty vs. lambda2
- s->dsp.inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
- STOP_TIMER("inner_add_yblock")
- }else
- for(y=0; y<b_h; y++){
- //FIXME ugly misuse of obmc_stride
- const uint8_t *obmc1= obmc + y*obmc_stride;
- const uint8_t *obmc2= obmc1+ (obmc_stride>>1);
- const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1);
- const uint8_t *obmc4= obmc3+ (obmc_stride>>1);
- for(x=0; x<b_w; x++){
- int v= obmc1[x] * block[3][x + y*src_stride]
- +obmc2[x] * block[2][x + y*src_stride]
- +obmc3[x] * block[1][x + y*src_stride]
- +obmc4[x] * block[0][x + y*src_stride];
+ // subpel search
+ base_bits= get_rac_count(&s->c) - 8*(s->c.bytestream - s->c.bytestream_start);
+ pc= s->c;
+ pc.bytestream_start=
+ pc.bytestream= p_buffer; //FIXME end/start? and at the other stoo
+ memcpy(p_state, s->block_state, sizeof(s->block_state));
- v <<= 8 - LOG2_OBMC_MAX;
- if(FRAC_BITS != 8){
- v >>= 8 - FRAC_BITS;
- }
- if(add){
- v += dst[x + y*dst_stride];
- v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS;
- if(v&(~255)) v= ~(v>>31);
- dst8[x + y*src_stride] = v;
- }else{
- dst[x + y*dst_stride] -= v;
- }
- }
- }
-#endif
-}
+ if(level!=s->block_max_depth)
+ put_rac(&pc, &p_state[4 + s_context], 1);
+ put_rac(&pc, &p_state[1 + left->type + top->type], 0);
+ if(s->ref_frames > 1)
+ put_symbol(&pc, &p_state[128 + 1024 + 32*ref_context], best_ref, 0);
+ pred_mv(s, &pmx, &pmy, best_ref, left, top, tr);
+ put_symbol(&pc, &p_state[128 + 32*(mx_context + 16*!!best_ref)], mx - pmx, 1);
+ put_symbol(&pc, &p_state[128 + 32*(my_context + 16*!!best_ref)], my - pmy, 1);
+ p_len= pc.bytestream - pc.bytestream_start;
+ score += (s->lambda2*(get_rac_count(&pc)-base_bits))>>FF_LAMBDA_SHIFT;
-static av_always_inline void predict_slice_buffered(SnowContext *s, slice_buffer * sb, IDWTELEM * old_buffer, int plane_index, int add, int mb_y){
- Plane *p= &s->plane[plane_index];
- const int mb_w= s->b_width << s->block_max_depth;
- const int mb_h= s->b_height << s->block_max_depth;
- int x, y, mb_x;
- int block_size = MB_SIZE >> s->block_max_depth;
- int block_w = plane_index ? block_size/2 : block_size;
- const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
- int obmc_stride= plane_index ? block_size : 2*block_size;
- int ref_stride= s->current_picture.linesize[plane_index];
- uint8_t *dst8= s->current_picture.data[plane_index];
- int w= p->width;
- int h= p->height;
- START_TIMER
+ block_s= block_w*block_w;
+ sum = pix_sum(current_data[0], stride, block_w);
+ l= (sum + block_s/2)/block_s;
+ iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s;
- if(s->keyframe || (s->avctx->debug&512)){
- if(mb_y==mb_h)
- return;
+ block_s= block_w*block_w>>2;
+ sum = pix_sum(current_data[1], uvstride, block_w>>1);
+ cb= (sum + block_s/2)/block_s;
+// iscore += pix_norm1(¤t_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
+ sum = pix_sum(current_data[2], uvstride, block_w>>1);
+ cr= (sum + block_s/2)/block_s;
+// iscore += pix_norm1(¤t_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;
- if(add){
- for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
- {
-// DWTELEM * line = slice_buffer_get_line(sb, y);
- IDWTELEM * line = sb->line[y];
- for(x=0; x<w; x++)
- {
-// int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
- int v= line[x] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
- v >>= FRAC_BITS;
- if(v&(~255)) v= ~(v>>31);
- dst8[x + y*ref_stride]= v;
- }
- }
- }else{
- for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++)
- {
-// DWTELEM * line = slice_buffer_get_line(sb, y);
- IDWTELEM * line = sb->line[y];
- for(x=0; x<w; x++)
- {
- line[x] -= 128 << FRAC_BITS;
-// buf[x + y*w]-= 128<<FRAC_BITS;
- }
- }
- }
+ ic= s->c;
+ ic.bytestream_start=
+ ic.bytestream= i_buffer; //FIXME end/start? and at the other stoo
+ memcpy(i_state, s->block_state, sizeof(s->block_state));
+ if(level!=s->block_max_depth)
+ put_rac(&ic, &i_state[4 + s_context], 1);
+ put_rac(&ic, &i_state[1 + left->type + top->type], 1);
+ put_symbol(&ic, &i_state[32], l-pl , 1);
+ put_symbol(&ic, &i_state[64], cb-pcb, 1);
+ put_symbol(&ic, &i_state[96], cr-pcr, 1);
+ i_len= ic.bytestream - ic.bytestream_start;
+ iscore += (s->lambda2*(get_rac_count(&ic)-base_bits))>>FF_LAMBDA_SHIFT;
- return;
- }
+// assert(score==256*256*256*64-1);
+ assert(iscore < 255*255*256 + s->lambda2*10);
+ assert(iscore >= 0);
+ assert(l>=0 && l<=255);
+ assert(pl>=0 && pl<=255);
- for(mb_x=0; mb_x<=mb_w; mb_x++){
- START_TIMER
+ if(level==0){
+ int varc= iscore >> 8;
+ int vard= score >> 8;
+ if (vard <= 64 || vard < varc)
+ c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc);
+ else
+ c->scene_change_score+= s->m.qscale;
+ }
- add_yblock(s, 1, sb, old_buffer, dst8, obmc,
- block_w*mb_x - block_w/2,
- block_w*mb_y - block_w/2,
- block_w, block_w,
- w, h,
- w, ref_stride, obmc_stride,
- mb_x - 1, mb_y - 1,
- add, 0, plane_index);
+ if(level!=s->block_max_depth){
+ put_rac(&s->c, &s->block_state[4 + s_context], 0);
+ score2 = encode_q_branch(s, level+1, 2*x+0, 2*y+0);
+ score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+0);
+ score2+= encode_q_branch(s, level+1, 2*x+0, 2*y+1);
+ score2+= encode_q_branch(s, level+1, 2*x+1, 2*y+1);
+ score2+= s->lambda2>>FF_LAMBDA_SHIFT; //FIXME exact split overhead
- STOP_TIMER("add_yblock")
- }
+ if(score2 < score && score2 < iscore)
+ return score2;
+ }
- STOP_TIMER("predict_slice")
+ if(iscore < score){
+ pred_mv(s, &pmx, &pmy, 0, left, top, tr);
+ memcpy(pbbak, i_buffer, i_len);
+ s->c= ic;
+ s->c.bytestream_start= pbbak_start;
+ s->c.bytestream= pbbak + i_len;
+ set_blocks(s, level, x, y, l, cb, cr, pmx, pmy, 0, BLOCK_INTRA);
+ memcpy(s->block_state, i_state, sizeof(s->block_state));
+ return iscore;
+ }else{
+ memcpy(pbbak, p_buffer, p_len);
+ s->c= pc;
+ s->c.bytestream_start= pbbak_start;
+ s->c.bytestream= pbbak + p_len;
+ set_blocks(s, level, x, y, pl, pcb, pcr, mx, my, best_ref, 0);
+ memcpy(s->block_state, p_state, sizeof(s->block_state));
+ return score;
+ }
}
-static av_always_inline void predict_slice(SnowContext *s, IDWTELEM *buf, int plane_index, int add, int mb_y){
- Plane *p= &s->plane[plane_index];
- const int mb_w= s->b_width << s->block_max_depth;
- const int mb_h= s->b_height << s->block_max_depth;
- int x, y, mb_x;
- int block_size = MB_SIZE >> s->block_max_depth;
- int block_w = plane_index ? block_size/2 : block_size;
- const uint8_t *obmc = plane_index ? obmc_tab[s->block_max_depth+1] : obmc_tab[s->block_max_depth];
- const int obmc_stride= plane_index ? block_size : 2*block_size;
- int ref_stride= s->current_picture.linesize[plane_index];
- uint8_t *dst8= s->current_picture.data[plane_index];
- int w= p->width;
- int h= p->height;
- START_TIMER
-
- if(s->keyframe || (s->avctx->debug&512)){
- if(mb_y==mb_h)
- return;
-
- if(add){
- for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
- for(x=0; x<w; x++){
- int v= buf[x + y*w] + (128<<FRAC_BITS) + (1<<(FRAC_BITS-1));
- v >>= FRAC_BITS;
- if(v&(~255)) v= ~(v>>31);
- dst8[x + y*ref_stride]= v;
- }
- }
- }else{
- for(y=block_w*mb_y; y<FFMIN(h,block_w*(mb_y+1)); y++){
- for(x=0; x<w; x++){
- buf[x + y*w]-= 128<<FRAC_BITS;
- }
- }
- }
+static void encode_q_branch2(SnowContext *s, int level, int x, int y){
+ const int w= s->b_width << s->block_max_depth;
+ const int rem_depth= s->block_max_depth - level;
+ const int index= (x + y*w) << rem_depth;
+ int trx= (x+1)<<rem_depth;
+ BlockNode *b= &s->block[index];
+ const BlockNode *left = x ? &s->block[index-1] : &null_block;
+ const BlockNode *top = y ? &s->block[index-w] : &null_block;
+ const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
+ const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
+ int pl = left->color[0];
+ int pcb= left->color[1];
+ int pcr= left->color[2];
+ int pmx, pmy;
+ int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
+ int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 16*!!b->ref;
+ int my_context= av_log2(2*FFABS(left->my - top->my)) + 16*!!b->ref;
+ int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
+ if(s->keyframe){
+ set_blocks(s, level, x, y, pl, pcb, pcr, 0, 0, 0, BLOCK_INTRA);
return;
}
- for(mb_x=0; mb_x<=mb_w; mb_x++){
- START_TIMER
-
- add_yblock(s, 0, NULL, buf, dst8, obmc,
- block_w*mb_x - block_w/2,
- block_w*mb_y - block_w/2,
- block_w, block_w,
- w, h,
- w, ref_stride, obmc_stride,
- mb_x - 1, mb_y - 1,
- add, 1, plane_index);
-
- STOP_TIMER("add_yblock")
+ if(level!=s->block_max_depth){
+ if(same_block(b,b+1) && same_block(b,b+w) && same_block(b,b+w+1)){
+ put_rac(&s->c, &s->block_state[4 + s_context], 1);
+ }else{
+ put_rac(&s->c, &s->block_state[4 + s_context], 0);
+ encode_q_branch2(s, level+1, 2*x+0, 2*y+0);
+ encode_q_branch2(s, level+1, 2*x+1, 2*y+0);
+ encode_q_branch2(s, level+1, 2*x+0, 2*y+1);
+ encode_q_branch2(s, level+1, 2*x+1, 2*y+1);
+ return;
}
-
- STOP_TIMER("predict_slice")
-}
-
-static av_always_inline void predict_plane(SnowContext *s, IDWTELEM *buf, int plane_index, int add){
- const int mb_h= s->b_height << s->block_max_depth;
- int mb_y;
- for(mb_y=0; mb_y<=mb_h; mb_y++)
- predict_slice(s, buf, plane_index, add, mb_y);
+ }
+ if(b->type & BLOCK_INTRA){
+ pred_mv(s, &pmx, &pmy, 0, left, top, tr);
+ put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 1);
+ put_symbol(&s->c, &s->block_state[32], b->color[0]-pl , 1);
+ put_symbol(&s->c, &s->block_state[64], b->color[1]-pcb, 1);
+ put_symbol(&s->c, &s->block_state[96], b->color[2]-pcr, 1);
+ set_blocks(s, level, x, y, b->color[0], b->color[1], b->color[2], pmx, pmy, 0, BLOCK_INTRA);
+ }else{
+ pred_mv(s, &pmx, &pmy, b->ref, left, top, tr);
+ put_rac(&s->c, &s->block_state[1 + (left->type&1) + (top->type&1)], 0);
+ if(s->ref_frames > 1)
+ put_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], b->ref, 0);
+ put_symbol(&s->c, &s->block_state[128 + 32*mx_context], b->mx - pmx, 1);
+ put_symbol(&s->c, &s->block_state[128 + 32*my_context], b->my - pmy, 1);
+ set_blocks(s, level, x, y, pl, pcb, pcr, b->mx, b->my, b->ref, 0);
+ }
}
static int get_dc(SnowContext *s, int mb_x, int mb_y, int plane_index){
if(x<0) obmc_v += obmc[index + block_w];
if(y+block_w>h) obmc_v += obmc[index - block_w*obmc_stride];
if(x+block_w>w) obmc_v += obmc[index - block_w];
- //FIXME precalc this or simplify it somehow else
+ //FIXME precalculate this or simplify it somehow else
d = -dst[index] + (1<<(FRAC_BITS-1));
dst[index] = d;
ab += (src[x2 + y2*ref_stride] - (d>>FRAC_BITS)) * obmc_v;
- aa += obmc_v * obmc_v; //FIXME precalclate this
+ aa += obmc_v * obmc_v; //FIXME precalculate this
}
}
}
00001XXXX 15-30 8-15
*/
//FIXME try accurate rate
-//FIXME intra and inter predictors if surrounding blocks arent the same type
+//FIXME intra and inter predictors if surrounding blocks are not the same type
if(b->type & BLOCK_INTRA){
return 3+2*( av_log2(2*FFABS(left->color[0] - b->color[0]))
+ av_log2(2*FFABS(left->color[1] - b->color[1]))
uint8_t *dst= s->current_picture.data[plane_index];
uint8_t *src= s-> input_picture.data[plane_index];
IDWTELEM *pred= (IDWTELEM*)s->m.obmc_scratchpad + plane_index*block_size*block_size*4;
- uint8_t cur[ref_stride*2*MB_SIZE]; //FIXME alignment
- uint8_t tmp[ref_stride*(2*MB_SIZE+HTAPS-1)];
+ uint8_t *cur = s->scratchbuf;
+ uint8_t tmp[ref_stride*(2*MB_SIZE+HTAPS_MAX-1)];
const int b_stride = s->b_width << s->block_max_depth;
const int b_height = s->b_height<< s->block_max_depth;
const int w= p->width;
if(block_w==16){
/* FIXME rearrange dsputil to fit 32x32 cmp functions */
/* FIXME check alignment of the cmp wavelet vs the encoding wavelet */
- /* FIXME cmps overlap but don't cover the wavelet's whole support,
- * so improving the score of one block is not strictly guaranteed to
- * improve the score of the whole frame, so iterative motion est
- * doesn't always converge. */
+ /* FIXME cmps overlap but do not cover the wavelet's whole support.
+ * So improving the score of one block is not strictly guaranteed
+ * to improve the score of the whole frame, thus iterative motion
+ * estimation does not always converge. */
if(s->avctx->me_cmp == FF_CMP_W97)
- distortion = w97_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
+ distortion = ff_w97_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
else if(s->avctx->me_cmp == FF_CMP_W53)
- distortion = w53_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
+ distortion = ff_w53_32_c(&s->m, src + sx + sy*ref_stride, dst + sx + sy*ref_stride, ref_stride, 32);
else{
distortion = 0;
for(i=0; i<4; i++){
const int ref_stride= s->current_picture.linesize[plane_index];
uint8_t *dst= s->current_picture.data[plane_index];
uint8_t *src= s-> input_picture.data[plane_index];
- static const IDWTELEM zero_dst[4096]; //FIXME
+ //FIXME zero_dst is const but add_yblock changes dst if add is 0 (this is never the case for dst=zero_dst
+ // const has only been removed from zero_dst to suppress a warning
+ static IDWTELEM zero_dst[4096]; //FIXME
const int b_stride = s->b_width << s->block_max_depth;
const int w= p->width;
const int h= p->height;
rate += get_block_bits(s, mb_x + dxy[i][0], mb_y + dxy[i][1], 1);
}
}
- return distortion + rate*penalty_factor;
+ return distortion + rate*penalty_factor;
+}
+
+static int encode_subband_c0run(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){
+ const int w= b->width;
+ const int h= b->height;
+ int x, y;
+
+ if(1){
+ int run=0;
+ int runs[w*h];
+ int run_index=0;
+ int max_index;
+
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int v, p=0;
+ int /*ll=0, */l=0, lt=0, t=0, rt=0;
+ v= src[x + y*stride];
+
+ if(y){
+ t= src[x + (y-1)*stride];
+ if(x){
+ lt= src[x - 1 + (y-1)*stride];
+ }
+ if(x + 1 < w){
+ rt= src[x + 1 + (y-1)*stride];
+ }
+ }
+ if(x){
+ l= src[x - 1 + y*stride];
+ /*if(x > 1){
+ if(orientation==1) ll= src[y + (x-2)*stride];
+ else ll= src[x - 2 + y*stride];
+ }*/
+ }
+ if(parent){
+ int px= x>>1;
+ int py= y>>1;
+ if(px<b->parent->width && py<b->parent->height)
+ p= parent[px + py*2*stride];
+ }
+ if(!(/*ll|*/l|lt|t|rt|p)){
+ if(v){
+ runs[run_index++]= run;
+ run=0;
+ }else{
+ run++;
+ }
+ }
+ }
+ }
+ max_index= run_index;
+ runs[run_index++]= run;
+ run_index=0;
+ run= runs[run_index++];
+
+ put_symbol2(&s->c, b->state[30], max_index, 0);
+ if(run_index <= max_index)
+ put_symbol2(&s->c, b->state[1], run, 3);
+
+ for(y=0; y<h; y++){
+ if(s->c.bytestream_end - s->c.bytestream < w*40){
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return -1;
+ }
+ for(x=0; x<w; x++){
+ int v, p=0;
+ int /*ll=0, */l=0, lt=0, t=0, rt=0;
+ v= src[x + y*stride];
+
+ if(y){
+ t= src[x + (y-1)*stride];
+ if(x){
+ lt= src[x - 1 + (y-1)*stride];
+ }
+ if(x + 1 < w){
+ rt= src[x + 1 + (y-1)*stride];
+ }
+ }
+ if(x){
+ l= src[x - 1 + y*stride];
+ /*if(x > 1){
+ if(orientation==1) ll= src[y + (x-2)*stride];
+ else ll= src[x - 2 + y*stride];
+ }*/
+ }
+ if(parent){
+ int px= x>>1;
+ int py= y>>1;
+ if(px<b->parent->width && py<b->parent->height)
+ p= parent[px + py*2*stride];
+ }
+ if(/*ll|*/l|lt|t|rt|p){
+ int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
+
+ put_rac(&s->c, &b->state[0][context], !!v);
+ }else{
+ if(!run){
+ run= runs[run_index++];
+
+ if(run_index <= max_index)
+ put_symbol2(&s->c, b->state[1], run, 3);
+ assert(v);
+ }else{
+ run--;
+ assert(!v);
+ }
+ }
+ if(v){
+ int context= av_log2(/*FFABS(ll) + */3*FFABS(l) + FFABS(lt) + 2*FFABS(t) + FFABS(rt) + FFABS(p));
+ int l2= 2*FFABS(l) + (l<0);
+ int t2= 2*FFABS(t) + (t<0);
+
+ put_symbol2(&s->c, b->state[context + 2], FFABS(v)-1, context-4);
+ put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0);
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int encode_subband(SnowContext *s, SubBand *b, IDWTELEM *src, IDWTELEM *parent, int stride, int orientation){
+// encode_subband_qtree(s, b, src, parent, stride, orientation);
+// encode_subband_z0run(s, b, src, parent, stride, orientation);
+ return encode_subband_c0run(s, b, src, parent, stride, orientation);
+// encode_subband_dzr(s, b, src, parent, stride, orientation);
}
static av_always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int p[3], int intra, const uint8_t *obmc_edged, int *best_rd){
}
}
-/* special case for int[2] args we discard afterward, fixes compilation prob with gcc 2.95 */
+/* special case for int[2] args we discard afterwards,
+ * fixes compilation problem with gcc 2.95 */
static av_always_inline int check_block_inter(SnowContext *s, int mb_x, int mb_y, int p0, int p1, const uint8_t *obmc_edged, int *best_rd){
int p[2] = {p0, p1};
return check_block(s, mb_x, mb_y, p, 0, obmc_edged, best_rd);
memset(s->me_cache, 0, sizeof(s->me_cache));
s->me_cache_generation += 1<<22;
- //FIXME precalc
+ //FIXME precalculate
{
int x, y;
memcpy(obmc_edged, obmc_tab[s->block_max_depth], b_w*b_w*4);
}
//skip stuff outside the picture
- if(mb_x==0 || mb_y==0 || mb_x==b_width-1 || mb_y==b_height-1)
- {
+ if(mb_x==0 || mb_y==0 || mb_x==b_width-1 || mb_y==b_height-1){
uint8_t *src= s-> input_picture.data[0];
uint8_t *dst= s->current_picture.data[0];
const int stride= s->current_picture.linesize[0];
check_block_inter(s, mb_x, mb_y, mvr[b_stride][0], mvr[b_stride][1], *obmc_edged, &best_rd);
/* fullpel ME */
- //FIXME avoid subpel interpol / round to nearest integer
+ //FIXME avoid subpel interpolation / round to nearest integer
do{
dia_change=0;
for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){
}
}
}
- av_log(NULL, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change);
+ av_log(s->avctx, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change);
if(!change)
break;
}
change++;
}
}
- av_log(NULL, AV_LOG_ERROR, "pass:4mv changed:%d\n", change*4);
+ av_log(s->avctx, AV_LOG_ERROR, "pass:4mv changed:%d\n", change*4);
+ }
+}
+
+static void encode_blocks(SnowContext *s, int search){
+ int x, y;
+ int w= s->b_width;
+ int h= s->b_height;
+
+ if(s->avctx->me_method == ME_ITER && !s->keyframe && search)
+ iterative_me(s);
+
+ for(y=0; y<h; y++){
+ if(s->c.bytestream_end - s->c.bytestream < w*MB_SIZE*MB_SIZE*3){ //FIXME nicer limit
+ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ return;
+ }
+ for(x=0; x<w; x++){
+ if(s->avctx->me_method == ME_ITER || !search)
+ encode_q_branch2(s, 0, x, y);
+ else
+ encode_q_branch (s, 0, x, y);
+ }
}
}
static void quantize(SnowContext *s, SubBand *b, IDWTELEM *dst, DWTELEM *src, int stride, int bias){
- const int level= b->level;
const int w= b->width;
const int h= b->height;
const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
const int qmul= qexp[qlog&(QROOT-1)]<<((qlog>>QSHIFT) + ENCODER_EXTRA_BITS);
int x,y, thres1, thres2;
-// START_TIMER
if(s->qlog == LOSSLESS_QLOG){
for(y=0; y<h; y++)
}
}
}
- if(level+1 == s->spatial_decomposition_count){
-// STOP_TIMER("quantize")
- }
-}
-
-static void dequantize_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int start_y, int end_y){
- const int w= b->width;
- const int qlog= av_clip(s->qlog + b->qlog, 0, QROOT*16);
- const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
- const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
- int x,y;
- START_TIMER
-
- if(s->qlog == LOSSLESS_QLOG) return;
-
- for(y=start_y; y<end_y; y++){
-// DWTELEM * line = slice_buffer_get_line_from_address(sb, src + (y * stride));
- IDWTELEM * line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
- for(x=0; x<w; x++){
- int i= line[x];
- if(i<0){
- line[x]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias
- }else if(i>0){
- line[x]= (( i*qmul + qadd)>>(QEXPSHIFT));
- }
- }
- }
- if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
- STOP_TIMER("dquant")
- }
}
static void dequantize(SnowContext *s, SubBand *b, IDWTELEM *src, int stride){
const int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
int x,y;
- START_TIMER
if(s->qlog == LOSSLESS_QLOG) return;
}
}
}
- if(w > 200 /*level+1 == s->spatial_decomposition_count*/){
- STOP_TIMER("dquant")
- }
}
static void decorrelate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){
}
}
-static void correlate_slice_buffered(SnowContext *s, slice_buffer * sb, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median, int start_y, int end_y){
- const int w= b->width;
- int x,y;
-
-// START_TIMER
-
- IDWTELEM * line=0; // silence silly "could be used without having been initialized" warning
- IDWTELEM * prev;
-
- if (start_y != 0)
- line = slice_buffer_get_line(sb, ((start_y - 1) * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
-
- for(y=start_y; y<end_y; y++){
- prev = line;
-// line = slice_buffer_get_line_from_address(sb, src + (y * stride));
- line = slice_buffer_get_line(sb, (y * b->stride_line) + b->buf_y_offset) + b->buf_x_offset;
- for(x=0; x<w; x++){
- if(x){
- if(use_median){
- if(y && x+1<w) line[x] += mid_pred(line[x - 1], prev[x], prev[x + 1]);
- else line[x] += line[x - 1];
- }else{
- if(y) line[x] += mid_pred(line[x - 1], prev[x], line[x - 1] + prev[x] - prev[x - 1]);
- else line[x] += line[x - 1];
- }
- }else{
- if(y) line[x] += prev[x];
- }
- }
- }
-
-// STOP_TIMER("correlate")
-}
-
static void correlate(SnowContext *s, SubBand *b, IDWTELEM *src, int stride, int inverse, int use_median){
const int w= b->width;
const int h= b->height;
}
}
-static void encode_header(SnowContext *s){
- int plane_index, level, orientation;
- uint8_t kstate[32];
-
- memset(kstate, MID_STATE, sizeof(kstate));
-
- put_rac(&s->c, kstate, s->keyframe);
- if(s->keyframe || s->always_reset){
- reset_contexts(s);
- s->last_spatial_decomposition_type=
- s->last_qlog=
- s->last_qbias=
- s->last_mv_scale=
- s->last_block_max_depth= 0;
- }
- if(s->keyframe){
- put_symbol(&s->c, s->header_state, s->version, 0);
- put_rac(&s->c, s->header_state, s->always_reset);
- put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
- put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
- put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
- put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
- put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
- put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
- put_rac(&s->c, s->header_state, s->spatial_scalability);
-// put_rac(&s->c, s->header_state, s->rate_scalability);
- put_symbol(&s->c, s->header_state, s->max_ref_frames-1, 0);
-
- for(plane_index=0; plane_index<2; plane_index++){
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1:0; orientation<4; orientation++){
- if(orientation==2) continue;
- put_symbol(&s->c, s->header_state, s->plane[plane_index].band[level][orientation].qlog, 1);
- }
- }
- }
- }
- put_symbol(&s->c, s->header_state, s->spatial_decomposition_type - s->last_spatial_decomposition_type, 1);
- put_symbol(&s->c, s->header_state, s->qlog - s->last_qlog , 1);
- put_symbol(&s->c, s->header_state, s->mv_scale - s->last_mv_scale, 1);
- put_symbol(&s->c, s->header_state, s->qbias - s->last_qbias , 1);
- put_symbol(&s->c, s->header_state, s->block_max_depth - s->last_block_max_depth, 1);
-
- s->last_spatial_decomposition_type= s->spatial_decomposition_type;
- s->last_qlog = s->qlog;
- s->last_qbias = s->qbias;
- s->last_mv_scale = s->mv_scale;
- s->last_block_max_depth = s->block_max_depth;
-}
-
-static int decode_header(SnowContext *s){
- int plane_index, level, orientation;
- uint8_t kstate[32];
-
- memset(kstate, MID_STATE, sizeof(kstate));
-
- s->keyframe= get_rac(&s->c, kstate);
- if(s->keyframe || s->always_reset){
- reset_contexts(s);
- s->spatial_decomposition_type=
- s->qlog=
- s->qbias=
- s->mv_scale=
- s->block_max_depth= 0;
- }
- if(s->keyframe){
- s->version= get_symbol(&s->c, s->header_state, 0);
- if(s->version>0){
- av_log(s->avctx, AV_LOG_ERROR, "version %d not supported", s->version);
- return -1;
- }
- s->always_reset= get_rac(&s->c, s->header_state);
- s->temporal_decomposition_type= get_symbol(&s->c, s->header_state, 0);
- s->temporal_decomposition_count= get_symbol(&s->c, s->header_state, 0);
- s->spatial_decomposition_count= get_symbol(&s->c, s->header_state, 0);
- s->colorspace_type= get_symbol(&s->c, s->header_state, 0);
- s->chroma_h_shift= get_symbol(&s->c, s->header_state, 0);
- s->chroma_v_shift= get_symbol(&s->c, s->header_state, 0);
- s->spatial_scalability= get_rac(&s->c, s->header_state);
-// s->rate_scalability= get_rac(&s->c, s->header_state);
- s->max_ref_frames= get_symbol(&s->c, s->header_state, 0)+1;
-
- for(plane_index=0; plane_index<3; plane_index++){
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1:0; orientation<4; orientation++){
- int q;
- if (plane_index==2) q= s->plane[1].band[level][orientation].qlog;
- else if(orientation==2) q= s->plane[plane_index].band[level][1].qlog;
- else q= get_symbol(&s->c, s->header_state, 1);
- s->plane[plane_index].band[level][orientation].qlog= q;
- }
- }
- }
- }
-
- s->spatial_decomposition_type+= get_symbol(&s->c, s->header_state, 1);
- if(s->spatial_decomposition_type > 1){
- av_log(s->avctx, AV_LOG_ERROR, "spatial_decomposition_type %d not supported", s->spatial_decomposition_type);
- return -1;
- }
-
- s->qlog += get_symbol(&s->c, s->header_state, 1);
- s->mv_scale += get_symbol(&s->c, s->header_state, 1);
- s->qbias += get_symbol(&s->c, s->header_state, 1);
- s->block_max_depth+= get_symbol(&s->c, s->header_state, 1);
- if(s->block_max_depth > 1 || s->block_max_depth < 0){
- av_log(s->avctx, AV_LOG_ERROR, "block_max_depth= %d is too large", s->block_max_depth);
- s->block_max_depth= 0;
- return -1;
- }
-
- return 0;
-}
-
-static void init_qexp(void){
- int i;
- double v=128;
-
- for(i=0; i<QROOT; i++){
- qexp[i]= lrintf(v);
- v *= pow(2, 1.0 / QROOT);
- }
-}
-
-static int common_init(AVCodecContext *avctx){
- SnowContext *s = avctx->priv_data;
- int width, height;
- int level, orientation, plane_index, dec;
- int i, j;
-
- s->avctx= avctx;
-
- dsputil_init(&s->dsp, avctx);
-
-#define mcf(dx,dy)\
- s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\
- s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\
- s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\
- s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\
- s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\
- s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4];
-
- mcf( 0, 0)
- mcf( 4, 0)
- mcf( 8, 0)
- mcf(12, 0)
- mcf( 0, 4)
- mcf( 4, 4)
- mcf( 8, 4)
- mcf(12, 4)
- mcf( 0, 8)
- mcf( 4, 8)
- mcf( 8, 8)
- mcf(12, 8)
- mcf( 0,12)
- mcf( 4,12)
- mcf( 8,12)
- mcf(12,12)
-
-#define mcfh(dx,dy)\
- s->dsp.put_pixels_tab [0][dy/4+dx/8]=\
- s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\
- mc_block_hpel ## dx ## dy ## 16;\
- s->dsp.put_pixels_tab [1][dy/4+dx/8]=\
- s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\
- mc_block_hpel ## dx ## dy ## 8;
-
- mcfh(0, 0)
- mcfh(8, 0)
- mcfh(0, 8)
- mcfh(8, 8)
-
- if(!qexp[0])
- init_qexp();
-
- dec= s->spatial_decomposition_count= 5;
- s->spatial_decomposition_type= avctx->prediction_method; //FIXME add decorrelator type r transform_type
-
- s->chroma_h_shift= 1; //FIXME XXX
- s->chroma_v_shift= 1;
-
-// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift);
-
- width= s->avctx->width;
- height= s->avctx->height;
+static void encode_qlogs(SnowContext *s){
+ int plane_index, level, orientation;
- s->spatial_idwt_buffer= av_mallocz(width*height*sizeof(IDWTELEM));
- s->spatial_dwt_buffer= av_mallocz(width*height*sizeof(DWTELEM)); //FIXME this doesnt belong here
+ for(plane_index=0; plane_index<2; plane_index++){
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1:0; orientation<4; orientation++){
+ if(orientation==2) continue;
+ put_symbol(&s->c, s->header_state, s->plane[plane_index].band[level][orientation].qlog, 1);
+ }
+ }
+ }
+}
- s->mv_scale= (s->avctx->flags & CODEC_FLAG_QPEL) ? 2 : 4;
- s->block_max_depth= (s->avctx->flags & CODEC_FLAG_4MV) ? 1 : 0;
+static void encode_header(SnowContext *s){
+ int plane_index, i;
+ uint8_t kstate[32];
- for(plane_index=0; plane_index<3; plane_index++){
- int w= s->avctx->width;
- int h= s->avctx->height;
+ memset(kstate, MID_STATE, sizeof(kstate));
- if(plane_index){
- w>>= s->chroma_h_shift;
- h>>= s->chroma_v_shift;
+ put_rac(&s->c, kstate, s->keyframe);
+ if(s->keyframe || s->always_reset){
+ reset_contexts(s);
+ s->last_spatial_decomposition_type=
+ s->last_qlog=
+ s->last_qbias=
+ s->last_mv_scale=
+ s->last_block_max_depth= 0;
+ for(plane_index=0; plane_index<2; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ p->last_htaps=0;
+ p->last_diag_mc=0;
+ memset(p->last_hcoeff, 0, sizeof(p->last_hcoeff));
}
- s->plane[plane_index].width = w;
- s->plane[plane_index].height= h;
-//av_log(NULL, AV_LOG_DEBUG, "%d %d\n", w, h);
- for(level=s->spatial_decomposition_count-1; level>=0; level--){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &s->plane[plane_index].band[level][orientation];
-
- b->buf= s->spatial_dwt_buffer;
- b->level= level;
- b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level);
- b->width = (w + !(orientation&1))>>1;
- b->height= (h + !(orientation>1))>>1;
-
- b->stride_line = 1 << (s->spatial_decomposition_count - level);
- b->buf_x_offset = 0;
- b->buf_y_offset = 0;
+ }
+ if(s->keyframe){
+ put_symbol(&s->c, s->header_state, s->version, 0);
+ put_rac(&s->c, s->header_state, s->always_reset);
+ put_symbol(&s->c, s->header_state, s->temporal_decomposition_type, 0);
+ put_symbol(&s->c, s->header_state, s->temporal_decomposition_count, 0);
+ put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
+ put_symbol(&s->c, s->header_state, s->colorspace_type, 0);
+ put_symbol(&s->c, s->header_state, s->chroma_h_shift, 0);
+ put_symbol(&s->c, s->header_state, s->chroma_v_shift, 0);
+ put_rac(&s->c, s->header_state, s->spatial_scalability);
+// put_rac(&s->c, s->header_state, s->rate_scalability);
+ put_symbol(&s->c, s->header_state, s->max_ref_frames-1, 0);
- if(orientation&1){
- b->buf += (w+1)>>1;
- b->buf_x_offset = (w+1)>>1;
- }
- if(orientation>1){
- b->buf += b->stride>>1;
- b->buf_y_offset = b->stride_line >> 1;
- }
- b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer);
+ encode_qlogs(s);
+ }
- if(level)
- b->parent= &s->plane[plane_index].band[level-1][orientation];
- b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff));
+ if(!s->keyframe){
+ int update_mc=0;
+ for(plane_index=0; plane_index<2; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ update_mc |= p->last_htaps != p->htaps;
+ update_mc |= p->last_diag_mc != p->diag_mc;
+ update_mc |= !!memcmp(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
+ }
+ put_rac(&s->c, s->header_state, update_mc);
+ if(update_mc){
+ for(plane_index=0; plane_index<2; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ put_rac(&s->c, s->header_state, p->diag_mc);
+ put_symbol(&s->c, s->header_state, p->htaps/2-1, 0);
+ for(i= p->htaps/2; i; i--)
+ put_symbol(&s->c, s->header_state, FFABS(p->hcoeff[i]), 0);
}
- w= (w+1)>>1;
- h= (h+1)>>1;
}
+ if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
+ put_rac(&s->c, s->header_state, 1);
+ put_symbol(&s->c, s->header_state, s->spatial_decomposition_count, 0);
+ encode_qlogs(s);
+ }else
+ put_rac(&s->c, s->header_state, 0);
}
- for(i=0; i<MAX_REF_FRAMES; i++)
- for(j=0; j<MAX_REF_FRAMES; j++)
- scale_mv_ref[i][j] = 256*(i+1)/(j+1);
+ put_symbol(&s->c, s->header_state, s->spatial_decomposition_type - s->last_spatial_decomposition_type, 1);
+ put_symbol(&s->c, s->header_state, s->qlog - s->last_qlog , 1);
+ put_symbol(&s->c, s->header_state, s->mv_scale - s->last_mv_scale, 1);
+ put_symbol(&s->c, s->header_state, s->qbias - s->last_qbias , 1);
+ put_symbol(&s->c, s->header_state, s->block_max_depth - s->last_block_max_depth, 1);
- reset_contexts(s);
-/*
- width= s->width= avctx->width;
- height= s->height= avctx->height;
+}
- assert(width && height);
-*/
- s->avctx->get_buffer(s->avctx, &s->mconly_picture);
+static void update_last_header_values(SnowContext *s){
+ int plane_index;
- return 0;
+ if(!s->keyframe){
+ for(plane_index=0; plane_index<2; plane_index++){
+ Plane *p= &s->plane[plane_index];
+ p->last_diag_mc= p->diag_mc;
+ p->last_htaps = p->htaps;
+ memcpy(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff));
+ }
+ }
+
+ s->last_spatial_decomposition_type = s->spatial_decomposition_type;
+ s->last_qlog = s->qlog;
+ s->last_qbias = s->qbias;
+ s->last_mv_scale = s->mv_scale;
+ s->last_block_max_depth = s->block_max_depth;
+ s->last_spatial_decomposition_count = s->spatial_decomposition_count;
}
static int qscale2qlog(int qscale){
static int ratecontrol_1pass(SnowContext *s, AVFrame *pict)
{
- /* estimate the frame's complexity as a sum of weighted dwt coefs.
+ /* Estimate the frame's complexity as a sum of weighted dwt coefficients.
* FIXME we know exact mv bits at this point,
* but ratecontrol isn't set up to include them. */
uint32_t coef_sum= 0;
coef_sum = (uint64_t)coef_sum * coef_sum >> 16;
assert(coef_sum < INT_MAX);
- if(pict->pict_type == I_TYPE){
+ if(pict->pict_type == FF_I_TYPE){
s->m.current_picture.mb_var_sum= coef_sum;
s->m.current_picture.mc_mb_var_sum= 0;
}else{
return delta_qlog;
}
-static void calculate_vissual_weight(SnowContext *s, Plane *p){
+static void calculate_visual_weight(SnowContext *s, Plane *p){
int width = p->width;
int height= p->height;
int level, orientation, x, y;
}
}
- b->qlog= (int)(log(352256.0/sqrt(error)) / log(pow(2.0, 1.0/QROOT))+0.5);
-// av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", level, orientation, b->qlog/*, sqrt(error)*/);
- }
- }
-}
-
-static int encode_init(AVCodecContext *avctx)
-{
- SnowContext *s = avctx->priv_data;
- int plane_index;
-
- if(avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL){
- av_log(avctx, AV_LOG_ERROR, "this codec is under development, files encoded with it may not be decodable with future versions!!!\n"
- "use vstrict=-2 / -strict -2 to use it anyway\n");
- return -1;
- }
-
- if(avctx->prediction_method == DWT_97
- && (avctx->flags & CODEC_FLAG_QSCALE)
- && avctx->global_quality == 0){
- av_log(avctx, AV_LOG_ERROR, "the 9/7 wavelet is incompatible with lossless mode\n");
- return -1;
- }
-
- common_init(avctx);
- alloc_blocks(s);
-
- s->version=0;
-
- s->m.avctx = avctx;
- s->m.flags = avctx->flags;
- s->m.bit_rate= avctx->bit_rate;
-
- s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t));
- s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
- s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t));
- s->m.obmc_scratchpad= av_mallocz(MB_SIZE*MB_SIZE*12*sizeof(uint32_t));
- h263_encode_init(&s->m); //mv_penalty
-
- s->max_ref_frames = FFMAX(FFMIN(avctx->refs, MAX_REF_FRAMES), 1);
-
- if(avctx->flags&CODEC_FLAG_PASS1){
- if(!avctx->stats_out)
- avctx->stats_out = av_mallocz(256);
- }
- if((avctx->flags&CODEC_FLAG_PASS2) || !(avctx->flags&CODEC_FLAG_QSCALE)){
- if(ff_rate_control_init(&s->m) < 0)
- return -1;
- }
- s->pass1_rc= !(avctx->flags & (CODEC_FLAG_QSCALE|CODEC_FLAG_PASS2));
-
- for(plane_index=0; plane_index<3; plane_index++){
- calculate_vissual_weight(s, &s->plane[plane_index]);
- }
-
-
- avctx->coded_frame= &s->current_picture;
- switch(avctx->pix_fmt){
-// case PIX_FMT_YUV444P:
-// case PIX_FMT_YUV422P:
- case PIX_FMT_YUV420P:
- case PIX_FMT_GRAY8:
-// case PIX_FMT_YUV411P:
-// case PIX_FMT_YUV410P:
- s->colorspace_type= 0;
- break;
-/* case PIX_FMT_RGB32:
- s->colorspace= 1;
- break;*/
- default:
- av_log(avctx, AV_LOG_ERROR, "format not supported\n");
- return -1;
- }
-// avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
- s->chroma_h_shift= 1;
- s->chroma_v_shift= 1;
-
- ff_set_cmp(&s->dsp, s->dsp.me_cmp, s->avctx->me_cmp);
- ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, s->avctx->me_sub_cmp);
-
- s->avctx->get_buffer(s->avctx, &s->input_picture);
-
- if(s->avctx->me_method == ME_ITER){
- int i;
- int size= s->b_width * s->b_height << 2*s->block_max_depth;
- for(i=0; i<s->max_ref_frames; i++){
- s->ref_mvs[i]= av_mallocz(size*sizeof(int16_t[2]));
- s->ref_scores[i]= av_mallocz(size*sizeof(uint32_t));
- }
- }
-
- return 0;
-}
-
-static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){
- int p,x,y;
-
- assert(!(s->avctx->flags & CODEC_FLAG_EMU_EDGE));
-
- for(p=0; p<3; p++){
- int is_chroma= !!p;
- int w= s->avctx->width >>is_chroma;
- int h= s->avctx->height >>is_chroma;
- int ls= frame->linesize[p];
- uint8_t *src= frame->data[p];
-
- halfpel[1][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
- halfpel[2][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
- halfpel[3][p]= (uint8_t*)av_malloc(ls * (h+2*EDGE_WIDTH)) + EDGE_WIDTH*(1+ls);
-
- halfpel[0][p]= src;
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int i= y*ls + x;
-
- halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5;
- }
- }
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int i= y*ls + x;
-
- halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
- }
- }
- src= halfpel[1][p];
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int i= y*ls + x;
-
- halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
- }
- }
-
-//FIXME border!
- }
-}
-
-static int frame_start(SnowContext *s){
- AVFrame tmp;
- int w= s->avctx->width; //FIXME round up to x16 ?
- int h= s->avctx->height;
-
- if(s->current_picture.data[0]){
- draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w , h , EDGE_WIDTH );
- draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
- draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
- }
-
- tmp= s->last_picture[s->max_ref_frames-1];
- memmove(s->last_picture+1, s->last_picture, (s->max_ref_frames-1)*sizeof(AVFrame));
- memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4);
-#ifdef USE_HALFPEL_PLANE
- if(s->current_picture.data[0])
- halfpel_interpol(s, s->halfpel_plane[0], &s->current_picture);
-#endif
- s->last_picture[0]= s->current_picture;
- s->current_picture= tmp;
-
- if(s->keyframe){
- s->ref_frames= 0;
- }else{
- int i;
- for(i=0; i<s->max_ref_frames && s->last_picture[i].data[0]; i++)
- if(i && s->last_picture[i-1].key_frame)
- break;
- s->ref_frames= i;
- }
-
- s->current_picture.reference= 1;
- if(s->avctx->get_buffer(s->avctx, &s->current_picture) < 0){
- av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
- }
-
- s->current_picture.key_frame= s->keyframe;
-
- return 0;
+ b->qlog= (int)(log(352256.0/sqrt(error)) / log(pow(2.0, 1.0/QROOT))+0.5);
+ }
+ }
}
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
if(s->qlog < 0 || (!pict->quality && (avctx->flags & CODEC_FLAG_QSCALE))){
s->qlog= LOSSLESS_QLOG;
s->lambda = 0;
- }//else keep previous frame's qlog until after motion est
+ }//else keep previous frame's qlog until after motion estimation
frame_start(s);
s->m.current_picture_ptr= &s->m.current_picture;
- if(pict->pict_type == P_TYPE){
+ s->m.last_picture.pts= s->m.current_picture.pts;
+ s->m.current_picture.pts= pict->pts;
+ if(pict->pict_type == FF_P_TYPE){
int block_width = (width +15)>>4;
int block_height= (height+15)>>4;
int stride= s->current_picture.linesize[0];
redo_frame:
+ if(pict->pict_type == FF_I_TYPE)
+ s->spatial_decomposition_count= 5;
+ else
+ s->spatial_decomposition_count= 5;
+
s->m.pict_type = pict->pict_type;
- s->qbias= pict->pict_type == P_TYPE ? 2 : 0;
+ s->qbias= pict->pict_type == FF_P_TYPE ? 2 : 0;
+
+ common_init_after_header(avctx);
+
+ if(s->last_spatial_decomposition_count != s->spatial_decomposition_count){
+ for(plane_index=0; plane_index<3; plane_index++){
+ calculate_visual_weight(s, &s->plane[plane_index]);
+ }
+ }
encode_header(s);
s->m.misc_bits = 8*(s->c.bytestream - s->c.bytestream_start);
int x, y;
// int bits= put_bits_count(&s->c.pb);
- if(!(avctx->flags2 & CODEC_FLAG2_MEMC_ONLY)){
- //FIXME optimize
- if(pict->data[plane_index]) //FIXME gray hack
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_idwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS;
+ if(!(avctx->flags2 & CODEC_FLAG2_MEMC_ONLY)){
+ //FIXME optimize
+ if(pict->data[plane_index]) //FIXME gray hack
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_idwt_buffer[y*w + x]= pict->data[plane_index][y*pict->linesize[plane_index] + x]<<FRAC_BITS;
+ }
+ }
+ predict_plane(s, s->spatial_idwt_buffer, plane_index, 0);
+
+ if( plane_index==0
+ && pict->pict_type == FF_P_TYPE
+ && !(avctx->flags&CODEC_FLAG_PASS2)
+ && s->m.me.scene_change_score > s->avctx->scenechange_threshold){
+ ff_init_range_encoder(c, buf, buf_size);
+ ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
+ pict->pict_type= FF_I_TYPE;
+ s->keyframe=1;
+ s->current_picture.key_frame=1;
+ goto redo_frame;
}
- }
- predict_plane(s, s->spatial_idwt_buffer, plane_index, 0);
-
- if( plane_index==0
- && pict->pict_type == P_TYPE
- && !(avctx->flags&CODEC_FLAG_PASS2)
- && s->m.me.scene_change_score > s->avctx->scenechange_threshold){
- ff_init_range_encoder(c, buf, buf_size);
- ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
- pict->pict_type= FF_I_TYPE;
- s->keyframe=1;
- s->current_picture.key_frame=1;
- goto redo_frame;
- }
- if(s->qlog == LOSSLESS_QLOG){
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]= (s->spatial_idwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS;
+ if(s->qlog == LOSSLESS_QLOG){
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_dwt_buffer[y*w + x]= (s->spatial_idwt_buffer[y*w + x] + (1<<(FRAC_BITS-1))-1)>>FRAC_BITS;
+ }
}
- }
- }else{
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_dwt_buffer[y*w + x]=s->spatial_idwt_buffer[y*w + x]<<ENCODER_EXTRA_BITS;
+ }else{
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_dwt_buffer[y*w + x]=s->spatial_idwt_buffer[y*w + x]<<ENCODER_EXTRA_BITS;
+ }
}
}
- }
- ff_spatial_dwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
-
- if(s->pass1_rc && plane_index==0){
- int delta_qlog = ratecontrol_1pass(s, pict);
- if (delta_qlog <= INT_MIN)
- return -1;
- if(delta_qlog){
- //reordering qlog in the bitstream would eliminate this reset
- ff_init_range_encoder(c, buf, buf_size);
- memcpy(s->header_state, rc_header_bak, sizeof(s->header_state));
- memcpy(s->block_state, rc_block_bak, sizeof(s->block_state));
- encode_header(s);
- encode_blocks(s, 0);
+ /* if(QUANTIZE2)
+ dwt_quantize(s, p, s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type);
+ else*/
+ ff_spatial_dwt(s->spatial_dwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
+
+ if(s->pass1_rc && plane_index==0){
+ int delta_qlog = ratecontrol_1pass(s, pict);
+ if (delta_qlog <= INT_MIN)
+ return -1;
+ if(delta_qlog){
+ //reordering qlog in the bitstream would eliminate this reset
+ ff_init_range_encoder(c, buf, buf_size);
+ memcpy(s->header_state, rc_header_bak, sizeof(s->header_state));
+ memcpy(s->block_state, rc_block_bak, sizeof(s->block_state));
+ encode_header(s);
+ encode_blocks(s, 0);
+ }
}
- }
-
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
- quantize(s, b, b->ibuf, b->buf, b->stride, s->qbias);
- if(orientation==0)
- decorrelate(s, b, b->ibuf, b->stride, pict->pict_type == P_TYPE, 0);
- encode_subband(s, b, b->ibuf, b->parent ? b->parent->ibuf : NULL, b->stride, orientation);
- assert(b->parent==NULL || b->parent->stride == b->stride*2);
- if(orientation==0)
- correlate(s, b, b->ibuf, b->stride, 1, 0);
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
+
+ if(!QUANTIZE2)
+ quantize(s, b, b->ibuf, b->buf, b->stride, s->qbias);
+ if(orientation==0)
+ decorrelate(s, b, b->ibuf, b->stride, pict->pict_type == FF_P_TYPE, 0);
+ encode_subband(s, b, b->ibuf, b->parent ? b->parent->ibuf : NULL, b->stride, orientation);
+ assert(b->parent==NULL || b->parent->stride == b->stride*2);
+ if(orientation==0)
+ correlate(s, b, b->ibuf, b->stride, 1, 0);
+ }
}
- }
-// av_log(NULL, AV_LOG_DEBUG, "plane:%d bits:%d\n", plane_index, put_bits_count(&s->c.pb) - bits);
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
+ for(level=0; level<s->spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ SubBand *b= &p->band[level][orientation];
- dequantize(s, b, b->ibuf, b->stride);
+ dequantize(s, b, b->ibuf, b->stride);
+ }
}
- }
- ff_spatial_idwt(s->spatial_idwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
- if(s->qlog == LOSSLESS_QLOG){
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- s->spatial_idwt_buffer[y*w + x]<<=FRAC_BITS;
+ ff_spatial_idwt(s->spatial_idwt_buffer, w, h, w, s->spatial_decomposition_type, s->spatial_decomposition_count);
+ if(s->qlog == LOSSLESS_QLOG){
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ s->spatial_idwt_buffer[y*w + x]<<=FRAC_BITS;
+ }
}
}
- }
-{START_TIMER
- predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
-STOP_TIMER("pred-conv")}
- }else{
+ predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
+ }else{
//ME/MC only
- if(pict->pict_type == I_TYPE){
+ if(pict->pict_type == FF_I_TYPE){
for(y=0; y<h; y++){
for(x=0; x<w; x++){
s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x]=
memset(s->spatial_idwt_buffer, 0, sizeof(IDWTELEM)*w*h);
predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
}
- }
+ }
if(s->avctx->flags&CODEC_FLAG_PSNR){
int64_t error= 0;
- if(pict->data[plane_index]) //FIXME gray hack
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int d= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
- error += d*d;
+ if(pict->data[plane_index]) //FIXME gray hack
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int d= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x] - pict->data[plane_index][y*pict->linesize[plane_index] + x];
+ error += d*d;
+ }
}
- }
s->avctx->error[plane_index] += error;
s->current_picture.error[plane_index] = error;
}
- }
- if(s->last_picture[s->max_ref_frames-1].data[0]){
- avctx->release_buffer(avctx, &s->last_picture[s->max_ref_frames-1]);
- for(i=0; i<9; i++)
- if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3])
- av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture.linesize[i%3]));
}
+ update_last_header_values(s);
+
+ release_buffer(avctx);
+
s->current_picture.coded_picture_number = avctx->frame_number;
s->current_picture.pict_type = pict->pict_type;
s->current_picture.quality = pict->quality;
return ff_rac_terminate(c);
}
-static void common_end(SnowContext *s){
- int plane_index, level, orientation, i;
-
- av_freep(&s->spatial_dwt_buffer);
- av_freep(&s->spatial_idwt_buffer);
-
- av_freep(&s->m.me.scratchpad);
- av_freep(&s->m.me.map);
- av_freep(&s->m.me.score_map);
- av_freep(&s->m.obmc_scratchpad);
-
- av_freep(&s->block);
-
- for(i=0; i<MAX_REF_FRAMES; i++){
- av_freep(&s->ref_mvs[i]);
- av_freep(&s->ref_scores[i]);
- if(s->last_picture[i].data[0])
- s->avctx->release_buffer(s->avctx, &s->last_picture[i]);
- }
-
- for(plane_index=0; plane_index<3; plane_index++){
- for(level=s->spatial_decomposition_count-1; level>=0; level--){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &s->plane[plane_index].band[level][orientation];
-
- av_freep(&b->x_coeff);
- }
- }
- }
-}
-
-static int encode_end(AVCodecContext *avctx)
+static av_cold int encode_end(AVCodecContext *avctx)
{
SnowContext *s = avctx->priv_data;
common_end(s);
+ if (s->input_picture.data[0])
+ avctx->release_buffer(avctx, &s->input_picture);
av_free(avctx->stats_out);
return 0;
}
-static int decode_init(AVCodecContext *avctx)
-{
- SnowContext *s = avctx->priv_data;
- int block_size;
-
- avctx->pix_fmt= PIX_FMT_YUV420P;
-
- common_init(avctx);
-
- block_size = MB_SIZE >> s->block_max_depth;
- slice_buffer_init(&s->sb, s->plane[0].height, (block_size) + (s->spatial_decomposition_count * (s->spatial_decomposition_count + 3)) + 1, s->plane[0].width, s->spatial_idwt_buffer);
-
- return 0;
-}
-
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size){
- SnowContext *s = avctx->priv_data;
- RangeCoder * const c= &s->c;
- int bytes_read;
- AVFrame *picture = data;
- int level, orientation, plane_index, i;
-
- ff_init_range_decoder(c, buf, buf_size);
- ff_build_rac_states(c, 0.05*(1LL<<32), 256-8);
-
- s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
- decode_header(s);
- if(!s->block) alloc_blocks(s);
-
- frame_start(s);
- //keyframe flag dupliaction mess FIXME
- if(avctx->debug&FF_DEBUG_PICT_INFO)
- av_log(avctx, AV_LOG_ERROR, "keyframe:%d qlog:%d\n", s->keyframe, s->qlog);
-
- decode_blocks(s);
-
- for(plane_index=0; plane_index<3; plane_index++){
- Plane *p= &s->plane[plane_index];
- int w= p->width;
- int h= p->height;
- int x, y;
- int decode_state[MAX_DECOMPOSITIONS][4][1]; /* Stored state info for unpack_coeffs. 1 variable per instance. */
-
-if(s->avctx->debug&2048){
- memset(s->spatial_dwt_buffer, 0, sizeof(DWTELEM)*w*h);
- predict_plane(s, s->spatial_idwt_buffer, plane_index, 1);
-
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v= s->current_picture.data[plane_index][y*s->current_picture.linesize[plane_index] + x];
- s->mconly_picture.data[plane_index][y*s->mconly_picture.linesize[plane_index] + x]= v;
- }
- }
-}
-
-{ START_TIMER
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
- unpack_coeffs(s, b, b->parent, orientation);
- }
- }
- STOP_TIMER("unpack coeffs");
-}
-
-{START_TIMER
- const int mb_h= s->b_height << s->block_max_depth;
- const int block_size = MB_SIZE >> s->block_max_depth;
- const int block_w = plane_index ? block_size/2 : block_size;
- int mb_y;
- dwt_compose_t cs[MAX_DECOMPOSITIONS];
- int yd=0, yq=0;
- int y;
- int end_y;
-
- ff_spatial_idwt_buffered_init(cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count);
- for(mb_y=0; mb_y<=mb_h; mb_y++){
-
- int slice_starty = block_w*mb_y;
- int slice_h = block_w*(mb_y+1);
- if (!(s->keyframe || s->avctx->debug&512)){
- slice_starty = FFMAX(0, slice_starty - (block_w >> 1));
- slice_h -= (block_w >> 1);
- }
-
- {
- START_TIMER
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- SubBand *b= &p->band[level][orientation];
- int start_y;
- int end_y;
- int our_mb_start = mb_y;
- int our_mb_end = (mb_y + 1);
- const int extra= 3;
- start_y = (mb_y ? ((block_w * our_mb_start) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra: 0);
- end_y = (((block_w * our_mb_end) >> (s->spatial_decomposition_count - level)) + s->spatial_decomposition_count - level + extra);
- if (!(s->keyframe || s->avctx->debug&512)){
- start_y = FFMAX(0, start_y - (block_w >> (1+s->spatial_decomposition_count - level)));
- end_y = FFMAX(0, end_y - (block_w >> (1+s->spatial_decomposition_count - level)));
- }
- start_y = FFMIN(b->height, start_y);
- end_y = FFMIN(b->height, end_y);
-
- if (start_y != end_y){
- if (orientation == 0){
- SubBand * correlate_band = &p->band[0][0];
- int correlate_end_y = FFMIN(b->height, end_y + 1);
- int correlate_start_y = FFMIN(b->height, (start_y ? start_y + 1 : 0));
- decode_subband_slice_buffered(s, correlate_band, &s->sb, correlate_start_y, correlate_end_y, decode_state[0][0]);
- correlate_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, 1, 0, correlate_start_y, correlate_end_y);
- dequantize_slice_buffered(s, &s->sb, correlate_band, correlate_band->ibuf, correlate_band->stride, start_y, end_y);
- }
- else
- decode_subband_slice_buffered(s, b, &s->sb, start_y, end_y, decode_state[level][orientation]);
- }
- }
- }
- STOP_TIMER("decode_subband_slice");
- }
-
-{ START_TIMER
- for(; yd<slice_h; yd+=4){
- ff_spatial_idwt_buffered_slice(&s->dsp, cs, &s->sb, w, h, 1, s->spatial_decomposition_type, s->spatial_decomposition_count, yd);
- }
- STOP_TIMER("idwt slice");}
-
-
- if(s->qlog == LOSSLESS_QLOG){
- for(; yq<slice_h && yq<h; yq++){
- IDWTELEM * line = slice_buffer_get_line(&s->sb, yq);
- for(x=0; x<w; x++){
- line[x] <<= FRAC_BITS;
- }
- }
- }
-
- predict_slice_buffered(s, &s->sb, s->spatial_idwt_buffer, plane_index, 1, mb_y);
-
- y = FFMIN(p->height, slice_starty);
- end_y = FFMIN(p->height, slice_h);
- while(y < end_y)
- slice_buffer_release(&s->sb, y++);
- }
-
- slice_buffer_flush(&s->sb);
-
-STOP_TIMER("idwt + predict_slices")}
- }
-
- emms_c();
-
- if(s->last_picture[s->max_ref_frames-1].data[0]){
- avctx->release_buffer(avctx, &s->last_picture[s->max_ref_frames-1]);
- for(i=0; i<9; i++)
- if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3])
- av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture.linesize[i%3]));
- }
-
-if(!(s->avctx->debug&2048))
- *picture= s->current_picture;
-else
- *picture= s->mconly_picture;
-
- *data_size = sizeof(AVFrame);
-
- bytes_read= c->bytestream - c->bytestream_start;
- if(bytes_read ==0) av_log(s->avctx, AV_LOG_ERROR, "error at end of frame\n"); //FIXME
-
- return bytes_read;
-}
-
-static int decode_end(AVCodecContext *avctx)
-{
- SnowContext *s = avctx->priv_data;
-
- slice_buffer_destroy(&s->sb);
-
- common_end(s);
-
- return 0;
-}
-
-AVCodec snow_decoder = {
- "snow",
- CODEC_TYPE_VIDEO,
- CODEC_ID_SNOW,
- sizeof(SnowContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- 0 /*CODEC_CAP_DR1*/ /*| CODEC_CAP_DRAW_HORIZ_BAND*/,
- NULL
-};
-
-#ifdef CONFIG_SNOW_ENCODER
-AVCodec snow_encoder = {
+AVCodec ff_snow_encoder = {
"snow",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_SNOW,
sizeof(SnowContext),
encode_init,
encode_frame,
encode_end,
+ .long_name = NULL_IF_CONFIG_SMALL("Snow"),
};
#endif
-#if 0
+#ifdef TEST
#undef malloc
#undef free
#undef printf
-#undef random
-int main(){
+#include "libavutil/lfg.h"
+
+int main(void){
int width=256;
int height=256;
int buffer[2][width*height];
SnowContext s;
int i;
+ AVLFG prng;
s.spatial_decomposition_count=6;
s.spatial_decomposition_type=1;
+ av_lfg_init(&prng, 1);
+
printf("testing 5/3 DWT\n");
for(i=0; i<width*height; i++)
- buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
+ buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
for(i=0; i<width*height; i++)
- if(buffer[0][i]!= buffer[1][i]) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
+ if(buffer[0][i]!= buffer[1][i]) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
printf("testing 9/7 DWT\n");
s.spatial_decomposition_type=0;
for(i=0; i<width*height; i++)
- buffer[0][i]= buffer[1][i]= random()%54321 - 12345;
+ buffer[0][i] = buffer[1][i] = av_lfg_get(&prng) % 54321 - 12345;
ff_spatial_dwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
for(i=0; i<width*height; i++)
- if(FFABS(buffer[0][i] - buffer[1][i])>20) printf("fsck: %d %d %d\n",i, buffer[0][i], buffer[1][i]);
+ if(FFABS(buffer[0][i] - buffer[1][i])>20) printf("fsck: %6d %12d %7d\n",i, buffer[0][i], buffer[1][i]);
#if 0
printf("testing AC coder\n");
ff_init_cabac_states(&s.c, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64);
for(i=-256; i<256; i++){
-START_TIMER
put_symbol(&s.c, s.header_state, i*i*i/3*FFABS(i), 1);
-STOP_TIMER("put_symbol")
}
ff_rac_terminate(&s.c);
for(i=-256; i<256; i++){
int j;
-START_TIMER
j= get_symbol(&s.c, s.header_state, 1);
-STOP_TIMER("get_symbol")
if(j!=i*i*i/3*FFABS(i)) printf("fsck: %d != %d\n", i, j);
}
#endif
-{
-int level, orientation, x, y;
-int64_t errors[8][4];
-int64_t g=0;
-
- memset(errors, 0, sizeof(errors));
- s.spatial_decomposition_count=3;
- s.spatial_decomposition_type=0;
- for(level=0; level<s.spatial_decomposition_count; level++){
- for(orientation=level ? 1 : 0; orientation<4; orientation++){
- int w= width >> (s.spatial_decomposition_count-level);
- int h= height >> (s.spatial_decomposition_count-level);
- int stride= width << (s.spatial_decomposition_count-level);
- DWTELEM *buf= buffer[0];
- int64_t error=0;
-
- if(orientation&1) buf+=w;
- if(orientation>1) buf+=stride>>1;
+ {
+ int level, orientation, x, y;
+ int64_t errors[8][4];
+ int64_t g=0;
- memset(buffer[0], 0, sizeof(int)*width*height);
- buf[w/2 + h/2*stride]= 256*256;
- ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
- for(y=0; y<height; y++){
- for(x=0; x<width; x++){
- int64_t d= buffer[0][x + y*width];
- error += d*d;
- if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9 && level==2) printf("%8"PRId64" ", d);
+ memset(errors, 0, sizeof(errors));
+ s.spatial_decomposition_count=3;
+ s.spatial_decomposition_type=0;
+ for(level=0; level<s.spatial_decomposition_count; level++){
+ for(orientation=level ? 1 : 0; orientation<4; orientation++){
+ int w= width >> (s.spatial_decomposition_count-level);
+ int h= height >> (s.spatial_decomposition_count-level);
+ int stride= width << (s.spatial_decomposition_count-level);
+ DWTELEM *buf= buffer[0];
+ int64_t error=0;
+
+ if(orientation&1) buf+=w;
+ if(orientation>1) buf+=stride>>1;
+
+ memset(buffer[0], 0, sizeof(int)*width*height);
+ buf[w/2 + h/2*stride]= 256*256;
+ ff_spatial_idwt(buffer[0], width, height, width, s.spatial_decomposition_type, s.spatial_decomposition_count);
+ for(y=0; y<height; y++){
+ for(x=0; x<width; x++){
+ int64_t d= buffer[0][x + y*width];
+ error += d*d;
+ if(FFABS(width/2-x)<9 && FFABS(height/2-y)<9 && level==2) printf("%8"PRId64" ", d);
+ }
+ if(FFABS(height/2-y)<9 && level==2) printf("\n");
}
- if(FFABS(height/2-y)<9 && level==2) printf("\n");
+ error= (int)(sqrt(error)+0.5);
+ errors[level][orientation]= error;
+ if(g) g=av_gcd(g, error);
+ else g= error;
}
- error= (int)(sqrt(error)+0.5);
- errors[level][orientation]= error;
- if(g) g=ff_gcd(g, error);
- else g= error;
}
- }
- printf("static int const visual_weight[][4]={\n");
- for(level=0; level<s.spatial_decomposition_count; level++){
- printf(" {");
- for(orientation=0; orientation<4; orientation++){
- printf("%8"PRId64",", errors[level][orientation]/g);
+ printf("static int const visual_weight[][4]={\n");
+ for(level=0; level<s.spatial_decomposition_count; level++){
+ printf(" {");
+ for(orientation=0; orientation<4; orientation++){
+ printf("%8"PRId64",", errors[level][orientation]/g);
+ }
+ printf("},\n");
}
- printf("},\n");
- }
- printf("};\n");
- {
+ printf("};\n");
+ {
int level=2;
- int orientation=3;
int w= width >> (s.spatial_decomposition_count-level);
- int h= height >> (s.spatial_decomposition_count-level);
+ //int h= height >> (s.spatial_decomposition_count-level);
int stride= width << (s.spatial_decomposition_count-level);
DWTELEM *buf= buffer[0];
int64_t error=0;
}
if(FFABS(height/2-y)<9) printf("\n");
}
- }
+ }
-}
+ }
return 0;
}
-#endif
-
+#endif /* TEST */