* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
+ * (SVQ1 Decoder)
* Ported to mplayer by Arpi <arpi@thot.banki.hu>
* Ported to libavcodec by Nick Kurshev <nickols_k@mail.ru>
*
+ * SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net>
*/
+
+/**
+ * @file svq1.c
+ * Sorenson Vector Quantizer #1 (SVQ1) video codec.
+ * For more information of the SVQ1 algorithm, visit:
+ * http://www.pcisys.net/~melanson/codecs/
+ */
+
+
//#define DEBUG_SVQ1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <limits.h>
#include "common.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "bswap.h"
-#define bit_buffer_t GetBitContext
-static inline unsigned int get_bit_cache(GetBitContext *s){
- OPEN_READER(re, s)
- UPDATE_CACHE(re, s)
- return GET_CACHE(re, s);
-// CLOSE_READER(re, s)
-}
+#undef NDEBUG
+#include <assert.h>
-/* variable length (bit) code */
-typedef struct vlc_code_s {
- int16_t value :10,
- length :6;
-} vlc_code_t;
+extern const uint8_t mvtab[33][2];
-#define MEDIAN(a,b,c) (((a < b) != (b >= c)) ? b : (((a < c) != (c > b)) ? c : a))
+static VLC svq1_block_type;
+static VLC svq1_motion_component;
+static VLC svq1_intra_multistage[6];
+static VLC svq1_inter_multistage[6];
+static VLC svq1_intra_mean;
+static VLC svq1_inter_mean;
#define SVQ1_BLOCK_SKIP 0
#define SVQ1_BLOCK_INTER 1
#define SVQ1_BLOCK_INTER_4V 2
#define SVQ1_BLOCK_INTRA 3
+typedef struct SVQ1Context {
+ MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
+ AVCodecContext *avctx;
+ DSPContext dsp;
+ AVFrame picture;
+ AVFrame current_picture;
+ AVFrame last_picture;
+ PutBitContext pb;
+ GetBitContext gb;
+
+ PutBitContext reorder_pb[6]; //why ooh why this sick breadth first order, everything is slower and more complex
+
+ int frame_width;
+ int frame_height;
+
+ /* Y plane block dimensions */
+ int y_block_width;
+ int y_block_height;
+
+ /* U & V plane (C planes) block dimensions */
+ int c_block_width;
+ int c_block_height;
+
+ uint16_t *mb_type;
+ uint32_t *dummy;
+ int16_t (*motion_val8[3])[2];
+ int16_t (*motion_val16[3])[2];
+
+ int64_t rd_total;
+} SVQ1Context;
+
/* motion vector (prediction) */
typedef struct svq1_pmv_s {
int x;
} svq1_pmv_t;
#include "svq1_cb.h"
-
-/* block type, codes 000 .. 1xx */
-static vlc_code_t svq1_block_type_table[8] = {
- { SVQ1_BLOCK_INTRA, 3 }, { SVQ1_BLOCK_INTER_4V, 3 },
- { SVQ1_BLOCK_INTER, 2 }, { SVQ1_BLOCK_INTER, 2 },
- { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 },
- { SVQ1_BLOCK_SKIP, 1 }, { SVQ1_BLOCK_SKIP, 1 }
-};
-
-/* motion vector, codes 0000011 .. 011xxxx */
-static vlc_code_t svq1_motion_table_0[61] = {
- { 7, 8 }, { 6, 8 }, { 5, 8 }, { 4, 7 }, { 4, 7 },
- { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 },
- { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
- { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }
-};
-
-/* motion vector, codes 000000000010 ... 0000010111xx */
-static vlc_code_t svq1_motion_table_1[94] = {
- {32, 13}, {31, 13}, {30, 12}, {30, 12}, {29, 12}, {29, 12},
- {28, 12}, {28, 12}, {27, 12}, {27, 12}, {26, 12}, {26, 12}, {25, 12}, {25, 12},
- {24, 11}, {24, 11}, {24, 11}, {24, 11}, {23, 11}, {23, 11}, {23, 11}, {23, 11},
- {22, 11}, {22, 11}, {22, 11}, {22, 11}, {21, 11}, {21, 11}, {21, 11}, {21, 11},
- {20, 11}, {20, 11}, {20, 11}, {20, 11}, {19, 11}, {19, 11}, {19, 11}, {19, 11},
- {18, 11}, {18, 11}, {18, 11}, {18, 11}, {17, 11}, {17, 11}, {17, 11}, {17, 11},
- {16, 11}, {16, 11}, {16, 11}, {16, 11}, {15, 11}, {15, 11}, {15, 11}, {15, 11},
- {14, 11}, {14, 11}, {14, 11}, {14, 11}, {13, 11}, {13, 11}, {13, 11}, {13, 11},
- {12, 11}, {12, 11}, {12, 11}, {12, 11}, {11, 11}, {11, 11}, {11, 11}, {11, 11},
- {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10}, {10, 10},
- { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10}, { 9, 10},
- { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10}, { 8, 10},
-};
-
-/* inter-coded vector codebook count tables, codes 000000 ... 111111 */
-static vlc_code_t svq1_inter_vector_tables[6][64] = {
- /* 4x2 vector, codes 0000xxx ... 11xxxxx */
- { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
- {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 },
- {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } },
-
- /* 4x4 vector, codes 0000xxx ... 11xxxxx */
- { { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
- {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 },
- {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 }, {-1, 2 } },
-
- /* 8x4 vector, codes 00000xx ... 1xxxxxx */
- { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
-
- /* 8x8 vector, codes 00000xx ... 1xxxxxx */
- { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
-
- /* 16x8 vector, codes 00000xx ... 1xxxxxx */
- { { 6, 5 }, { 6, 5 }, { 5, 5 }, { 5, 5 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 }, { 2, 4 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 }, { 0, 3 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } },
-
- /* 16x16 vector, codes 000000x ... 1xxxxxx */
- { { 6, 6 }, { 5, 6 }, { 4, 5 }, { 4, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 },
- {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 }, {-1, 1 } }
-};
-
-/* vector codebook count tables, codes 0000000 ... 1111111 */
-static vlc_code_t svq1_intra_vector_tables[6][128] = {
- /* 4x2 vector, codes 00000xx ... 1xxxxxx */
- { { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 },
- { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
- { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
-
- /* 4x4 vector, codes 0000xxx ... 11xxxxx */
- { { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
- {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 }, {-1, 4 },
- { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
- { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
- { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 }, { 3, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 },
- { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 2 } },
-
- /* 8x4 vector, codes 00000xx ... 1xxxxxx */
- { { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 }, {-1, 5 },
- { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
- { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 }, { 5, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 }, { 4, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
-
- /* 8x8 vector, codes 000000x ... 1xxxxxx */
- { { 2, 6 }, { 2, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 },
- { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 }, { 6, 4 },
- { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 }, { 4, 4 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
-
- /* 16x8 vector, codes 000000x ... 1xxxxxx */
- { { 4, 6 }, { 4, 6 }, {-1, 6 }, {-1, 6 }, { 5, 5 }, { 5, 5 }, { 5, 5 }, { 5, 5 },
- { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 },
- { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
- { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 }, { 6, 3 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } },
-
- /* 16x16 vector, codes 0000000 ... 1xxxxxx */
- { { 5, 7 }, {-1, 7 }, { 4, 6 }, { 4, 6 }, { 6, 5 }, { 6, 5 }, { 6, 5 }, { 6, 5 },
- { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 }, { 3, 4 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 }, { 2, 3 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 }, { 1, 2 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 } }
-};
-
-/* intra mean value, codes 00100101 ... 1111xxxx */
-static vlc_code_t svq1_intra_mean_table_0[219] = {
- {135, 8 }, {136, 8 }, {165, 8 },
- {134, 8 }, {129, 8 }, {164, 8 }, {163, 8 }, {133, 8 }, {162, 8 }, {174, 8 }, {175, 8 },
- {161, 8 }, {160, 8 }, {159, 8 }, {158, 8 }, {157, 8 }, {156, 8 }, {155, 8 }, {154, 8 },
- {153, 8 }, {151, 8 }, {152, 8 }, {132, 8 }, {110, 8 }, {131, 8 }, {108, 8 }, {130, 8 },
- {166, 8 }, {105, 8 }, {104, 8 }, {103, 8 }, {127, 8 }, {101, 8 }, {167, 8 }, {168, 8 },
- { 98, 8 }, {128, 8 }, { 48, 8 }, { 95, 8 }, { 62, 8 }, { 93, 8 }, { 92, 8 }, { 91, 8 },
- { 90, 8 }, { 89, 8 }, { 60, 8 }, { 87, 8 }, { 86, 8 }, { 57, 8 }, { 84, 8 }, { 83, 8 },
- { 82, 8 }, { 81, 8 }, { 80, 8 }, { 79, 8 }, { 78, 8 }, { 77, 8 }, { 76, 8 }, { 75, 8 },
- { 74, 8 }, { 73, 8 }, { 72, 8 }, { 71, 8 }, { 70, 8 }, { 69, 8 }, { 68, 8 }, { 67, 8 },
- { 66, 8 }, { 65, 8 }, { 56, 8 }, { 63, 8 }, { 23, 8 }, { 61, 8 }, { 30, 8 }, { 59, 8 },
- { 58, 8 }, { 52, 8 }, { 29, 8 }, { 55, 8 }, { 54, 8 }, { 53, 8 }, { 50, 8 }, { 51, 8 },
- { 22, 8 }, { 49, 8 }, { 85, 7 }, { 85, 7 }, { 97, 7 }, { 97, 7 }, { 88, 7 }, { 88, 7 },
- { 64, 7 }, { 64, 7 }, { 94, 7 }, { 94, 7 }, {106, 7 }, {106, 7 }, {107, 7 }, {107, 7 },
- {109, 7 }, {109, 7 }, {111, 7 }, {111, 7 }, {112, 7 }, {112, 7 }, {113, 7 }, {113, 7 },
- {114, 7 }, {114, 7 }, {115, 7 }, {115, 7 }, {116, 7 }, {116, 7 }, {117, 7 }, {117, 7 },
- {118, 7 }, {118, 7 }, {119, 7 }, {119, 7 }, {120, 7 }, {120, 7 }, { 99, 7 }, { 99, 7 },
- {102, 7 }, {102, 7 }, { 28, 7 }, { 28, 7 }, {100, 7 }, {100, 7 }, { 96, 7 }, { 96, 7 },
- {139, 7 }, {139, 7 }, { 24, 7 }, { 24, 7 }, { 1, 7 }, { 1, 7 }, {138, 7 }, {138, 7 },
- {121, 7 }, {121, 7 }, {122, 7 }, {122, 7 }, {123, 7 }, {123, 7 }, {124, 7 }, {124, 7 },
- {125, 7 }, {125, 7 }, {126, 7 }, {126, 7 }, {137, 7 }, {137, 7 }, {140, 7 }, {140, 7 },
- {150, 7 }, {150, 7 }, {144, 7 }, {144, 7 }, {141, 7 }, {141, 7 }, {142, 7 }, {142, 7 },
- {143, 7 }, {143, 7 }, {145, 7 }, {145, 7 }, {147, 7 }, {147, 7 }, {146, 7 }, {146, 7 },
- { 27, 6 }, { 27, 6 }, { 27, 6 }, { 27, 6 }, {148, 6 }, {148, 6 }, {148, 6 }, {148, 6 },
- {149, 6 }, {149, 6 }, {149, 6 }, {149, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 }, { 0, 6 },
- { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 },
- { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 }, { 26, 4 },
- { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 },
- { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }, { 25, 4 }
-};
-
-/* intra mean value, codes 0000001101 ... 001001001x */
-static vlc_code_t svq1_intra_mean_table_1[135] = {
- {218, 10}, {219, 10}, {220, 10},
- {221, 10}, {222, 10}, {217, 10}, {230, 10}, {215, 10}, {208, 10}, {207, 10}, {206, 10},
- {214, 10}, {204, 10}, {223, 10}, {224, 10}, {225, 10}, {226, 10}, {227, 10}, {228, 10},
- {229, 10}, {213, 10}, {212, 10}, {231, 10}, {232, 10}, {211, 10}, {210, 10}, {236, 10},
- {209, 10}, {216, 10}, {205, 10}, { 18, 10}, {186, 9 }, {186, 9 }, {185, 9 }, {185, 9 },
- {184, 9 }, {184, 9 }, {182, 9 }, {182, 9 }, {183, 9 }, {183, 9 }, {180, 9 }, {180, 9 },
- {181, 9 }, {181, 9 }, {178, 9 }, {178, 9 }, {187, 9 }, {187, 9 }, {176, 9 }, {176, 9 },
- {188, 9 }, {188, 9 }, {179, 9 }, {179, 9 }, {173, 9 }, {173, 9 }, {172, 9 }, {172, 9 },
- {171, 9 }, {171, 9 }, {170, 9 }, {170, 9 }, {169, 9 }, {169, 9 }, {189, 9 }, {189, 9 },
- {190, 9 }, {190, 9 }, {191, 9 }, {191, 9 }, {192, 9 }, {192, 9 }, {193, 9 }, {193, 9 },
- {194, 9 }, {194, 9 }, {195, 9 }, {195, 9 }, {196, 9 }, {196, 9 }, {197, 9 }, {197, 9 },
- {198, 9 }, {198, 9 }, {200, 9 }, {200, 9 }, {201, 9 }, {201, 9 }, {202, 9 }, {202, 9 },
- {203, 9 }, {203, 9 }, {199, 9 }, {199, 9 }, {177, 9 }, {177, 9 }, { 40, 9 }, { 40, 9 },
- { 39, 9 }, { 39, 9 }, { 38, 9 }, { 38, 9 }, { 37, 9 }, { 37, 9 }, { 36, 9 }, { 36, 9 },
- { 35, 9 }, { 35, 9 }, { 34, 9 }, { 34, 9 }, { 33, 9 }, { 33, 9 }, { 32, 9 }, { 32, 9 },
- { 31, 9 }, { 31, 9 }, { 21, 9 }, { 21, 9 }, { 11, 9 }, { 11, 9 }, { 41, 9 }, { 41, 9 },
- { 45, 9 }, { 45, 9 }, { 44, 9 }, { 44, 9 }, { 42, 9 }, { 42, 9 }, { 43, 9 }, { 43, 9 },
- { 47, 9 }, { 47, 9 }, { 46, 9 }, { 46, 9 }
-};
-
-/* intra mean value, codes 00000000000001 ... 00000011001xxx */
-static vlc_code_t svq1_intra_mean_table_2[207] = {
- {255, 14}, { 14, 14}, { 13, 14}, { 17, 12}, { 17, 12}, { 17, 12}, { 17, 12},
- {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11}, {243, 11},
- {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11}, {242, 11},
- {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11}, {241, 11},
- {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11}, {240, 11},
- {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11}, {237, 11},
- {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11}, {239, 11},
- {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11}, {235, 11},
- {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11}, {234, 11},
- {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11}, {233, 11},
- {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11}, {244, 11},
- {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11}, {238, 11},
- { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11}, { 20, 11},
- {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11}, {248, 11},
- {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11}, {249, 11},
- {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11}, {250, 11},
- {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11}, {251, 11},
- {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11}, {252, 11},
- {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11}, {253, 11},
- {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11}, {254, 11},
- { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11}, { 12, 11},
- { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11}, { 10, 11},
- {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11}, {245, 11},
- {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11}, {247, 11},
- { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11}, { 19, 11},
- {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}, {246, 11}
-};
-
-/* intra mean value, codes 00000000000000000000 ... 000000000000001xxxxx */
-static vlc_code_t svq1_intra_mean_table_3[64] = {
- { 6, 20}, { 3, 20}, { 4, 20}, { 5, 20}, { 7, 20}, { 8, 20}, { 9, 19}, { 9, 19},
- { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17}, { 2, 17},
- { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16},
- { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16}, { 16, 16},
- { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
- { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
- { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15},
- { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}, { 15, 15}
-};
-
-/* inter mean value, codes 00001011 ... 1xxxxxxx */
-static vlc_code_t svq1_inter_mean_table_0[245] = {
- { 10, 8 }, { 12, 8 }, { 11, 8 }, {-11, 8 }, {-12, 8 },
- {-10, 8 }, { -9, 8 }, { -7, 7 }, { -7, 7 }, { -6, 7 }, { -6, 7 }, { 8, 7 }, { 8, 7 },
- { -8, 7 }, { -8, 7 }, { 9, 7 }, { 9, 7 }, { 6, 7 }, { 6, 7 }, { 7, 7 }, { 7, 7 },
- { -5, 6 }, { -5, 6 }, { -5, 6 }, { -5, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 }, { -4, 6 },
- { 5, 6 }, { 5, 6 }, { 5, 6 }, { 5, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 }, { 4, 6 },
- { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 }, { 3, 5 },
- { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 }, { 2, 5 },
- { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 }, { -2, 5 },
- { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 }, { -3, 5 },
- { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 },
- { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 }, { -1, 4 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 }, { 1, 3 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 },
- { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }
-};
-
-/* inter mean value, codes 000000010010 ... 00001011xxxx */
-static vlc_code_t svq1_inter_mean_table_1[158] = {
- {-30, 12}, {-31, 12}, {-32, 12}, {-33, 12}, { 31, 12}, {-34, 12},
- {-35, 12}, { 29, 12}, { 30, 12}, { 33, 12}, { 34, 12}, { 32, 12}, {-29, 11}, {-29, 11},
- {-28, 11}, {-28, 11}, { 28, 11}, { 28, 11}, {-27, 11}, {-27, 11}, {-26, 11}, {-26, 11},
- { 27, 11}, { 27, 11}, { 26, 11}, { 26, 11}, { 25, 11}, { 25, 11}, { 24, 11}, { 24, 11},
- { 23, 11}, { 23, 11}, { 22, 11}, { 22, 11}, {-24, 11}, {-24, 11}, {-25, 11}, {-25, 11},
- {-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, {-21, 10}, {-21, 10}, {-21, 10}, {-21, 10},
- {-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, {-19, 10}, {-19, 10}, {-19, 10}, {-19, 10},
- {-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, {-22, 10}, {-22, 10}, {-22, 10}, {-22, 10},
- { 19, 10}, { 19, 10}, { 19, 10}, { 19, 10}, { 21, 10}, { 21, 10}, { 21, 10}, { 21, 10},
- { 20, 10}, { 20, 10}, { 20, 10}, { 20, 10}, { 18, 10}, { 18, 10}, { 18, 10}, { 18, 10},
- {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 }, {-14, 9 },
- {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 }, {-17, 9 },
- { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 }, { 16, 9 },
- { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 }, { 13, 9 },
- { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 }, { 14, 9 },
- { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 }, { 15, 9 },
- { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 }, { 17, 9 },
- {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 }, {-13, 9 },
- {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 }, {-16, 9 },
- {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }, {-15, 9 }
-};
-
-/* inter mean value, codes 000000000010111 ... 0000000100011xx */
-static vlc_code_t svq1_inter_mean_table_2[121] = {
- { 61, 15},
- { 52, 15}, { 58, 15}, {-56, 15}, {-57, 15}, { 59, 15}, {-55, 15}, { 60, 15}, {-54, 15},
- { 53, 15}, {-62, 15}, {-60, 15}, {-59, 15}, {-58, 15}, { 57, 15}, { 56, 15}, {-53, 15},
- { 55, 15}, { 54, 15}, { 50, 14}, { 50, 14}, { 45, 14}, { 45, 14}, {-52, 14}, {-52, 14},
- {-51, 14}, {-51, 14}, {-50, 14}, {-50, 14}, { 46, 14}, { 46, 14}, {-49, 14}, {-49, 14},
- {-48, 14}, {-48, 14}, { 48, 14}, { 48, 14}, {-47, 14}, {-47, 14}, { 49, 14}, { 49, 14},
- {-45, 14}, {-45, 14}, {-44, 14}, {-44, 14}, { 47, 14}, { 47, 14}, { 51, 14}, { 51, 14},
- { 44, 14}, { 44, 14}, {-46, 14}, {-46, 14}, {-43, 13}, {-43, 13}, {-43, 13}, {-43, 13},
- {-42, 13}, {-42, 13}, {-42, 13}, {-42, 13}, {-41, 13}, {-41, 13}, {-41, 13}, {-41, 13},
- {-40, 13}, {-40, 13}, {-40, 13}, {-40, 13}, {-39, 13}, {-39, 13}, {-39, 13}, {-39, 13},
- {-38, 13}, {-38, 13}, {-38, 13}, {-38, 13}, {-37, 13}, {-37, 13}, {-37, 13}, {-37, 13},
- {-36, 13}, {-36, 13}, {-36, 13}, {-36, 13}, { 42, 13}, { 42, 13}, { 42, 13}, { 42, 13},
- { 36, 13}, { 36, 13}, { 36, 13}, { 36, 13}, { 43, 13}, { 43, 13}, { 43, 13}, { 43, 13},
- { 41, 13}, { 41, 13}, { 41, 13}, { 41, 13}, { 40, 13}, { 40, 13}, { 40, 13}, { 40, 13},
- { 35, 13}, { 35, 13}, { 35, 13}, { 35, 13}, { 39, 13}, { 39, 13}, { 39, 13}, { 39, 13},
- { 38, 13}, { 38, 13}, { 38, 13}, { 38, 13}, { 37, 13}, { 37, 13}, { 37, 13}, { 37, 13}
-};
-
-/* inter mean value, codes 000000000000100101 ... 0000000000101101xx */
-static vlc_code_t svq1_inter_mean_table_3[147] = {
- {111, 18}, {102, 18}, { 99, 18},
- {-86, 18}, { 97, 18}, {-97, 18}, { 96, 18}, {-95, 18}, {-76, 18}, {-77, 18}, {-78, 18},
- {-85, 18}, {-80, 18}, {-81, 18}, { 89, 18}, { 90, 18}, {-84, 18}, {-89, 18}, { 80, 18},
- {-90, 18}, {-88, 18}, { 92, 18}, { 93, 18}, { 95, 18}, {-109,18}, {-79, 17}, {-79, 17},
- {-83, 17}, {-83, 17}, {-75, 17}, {-75, 17}, {-74, 17}, {-74, 17}, {-73, 17}, {-73, 17},
- {-72, 17}, {-72, 17}, { 87, 17}, { 87, 17}, { 86, 17}, { 86, 17}, { 75, 17}, { 75, 17},
- { 85, 17}, { 85, 17}, { 84, 17}, { 84, 17}, { 81, 17}, { 81, 17}, { 79, 17}, { 79, 17},
- { 74, 17}, { 74, 17}, { 72, 17}, { 72, 17}, { 82, 17}, { 82, 17}, { 78, 17}, { 78, 17},
- { 83, 17}, { 83, 17}, { 76, 17}, { 76, 17}, { 73, 17}, { 73, 17}, { 77, 17}, { 77, 17},
- { 70, 16}, { 70, 16}, { 70, 16}, { 70, 16}, { 69, 16}, { 69, 16}, { 69, 16}, { 69, 16},
- { 64, 16}, { 64, 16}, { 64, 16}, { 64, 16}, {-68, 16}, {-68, 16}, {-68, 16}, {-68, 16},
- {-66, 16}, {-66, 16}, {-66, 16}, {-66, 16}, { 68, 16}, { 68, 16}, { 68, 16}, { 68, 16},
- {-69, 16}, {-69, 16}, {-69, 16}, {-69, 16}, { 65, 16}, { 65, 16}, { 65, 16}, { 65, 16},
- { 71, 16}, { 71, 16}, { 71, 16}, { 71, 16}, {-70, 16}, {-70, 16}, {-70, 16}, {-70, 16},
- {-65, 16}, {-65, 16}, {-65, 16}, {-65, 16}, {-67, 16}, {-67, 16}, {-67, 16}, {-67, 16},
- {-63, 16}, {-63, 16}, {-63, 16}, {-63, 16}, {-71, 16}, {-71, 16}, {-71, 16}, {-71, 16},
- { 67, 16}, { 67, 16}, { 67, 16}, { 67, 16}, {-61, 16}, {-61, 16}, {-61, 16}, {-61, 16},
- {-64, 16}, {-64, 16}, {-64, 16}, {-64, 16}, { 63, 16}, { 63, 16}, { 63, 16}, { 63, 16},
- { 62, 16}, { 62, 16}, { 62, 16}, { 62, 16}, { 66, 16}, { 66, 16}, { 66, 16}, { 66, 16}
-};
-
-/* inter mean value, codes 00000000000001001001 ... 0000000000001001001x */
-static vlc_code_t svq1_inter_mean_table_4[75] = {
- {142, 20}, {135, 20}, {125, 20}, {123, 20}, {122, 20}, {119, 20}, {117, 20},
- {113, 20}, {104, 20}, {103, 20}, {-120,20}, {-114,20}, {-108,20}, {-104,20}, {-102,20},
- {-101,20}, {-93, 20}, {-91, 19}, {-91, 19}, {-96, 19}, {-96, 19}, { 88, 19}, { 88, 19},
- { 91, 19}, { 91, 19}, { 94, 19}, { 94, 19}, {121, 19}, {121, 19}, {120, 19}, {120, 19},
- {-110,19}, {-110,19}, {118, 19}, {118, 19}, {115, 19}, {115, 19}, {114, 19}, {114, 19},
- {112, 19}, {112, 19}, {107, 19}, {107, 19}, {110, 19}, {110, 19}, {109, 19}, {109, 19},
- {108, 19}, {108, 19}, {-103,19}, {-103,19}, {106, 19}, {106, 19}, {105, 19}, {105, 19},
- {-100,19}, {-100,19}, {101, 19}, {101, 19}, {100, 19}, {100, 19}, {-99, 19}, {-99, 19},
- {-82, 19}, {-82, 19}, {-87, 19}, {-87, 19}, {-94, 19}, {-94, 19}, {-98, 19}, {-98, 19},
- { 98, 19}, { 98, 19}, {-92, 19}, {-92, 19}
+#include "svq1_vlc.h"
+
+static const uint16_t checksum_table[256] = {
+ 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
+ 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
+ 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
+ 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
+ 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
+ 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
+ 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
+ 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
+ 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
+ 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
+ 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
+ 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
+ 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
+ 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
+ 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
+ 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
+ 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
+ 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
+ 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
+ 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
+ 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
+ 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+ 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
+ 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
+ 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
+ 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
+ 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
+ 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
+ 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
+ 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
+ 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
+ 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
};
-/* inter mean value, codes 0000000000000000000000 ... 000000000000010010001x */
-static vlc_code_t svq1_inter_mean_table_5[292] = {
- {255, 22}, {254, 22}, {253, 22}, {252, 22}, {251, 22}, {250, 22}, {249, 22}, {248, 22},
- {247, 22}, {246, 22}, {245, 22}, {244, 22}, {243, 22}, {242, 22}, {241, 22}, {240, 22},
- {239, 22}, {238, 22}, {237, 22}, {236, 22}, {235, 22}, {234, 22}, {233, 22}, {232, 22},
- {231, 22}, {230, 22}, {229, 22}, {228, 22}, {227, 22}, {226, 22}, {225, 22}, {224, 22},
- {223, 22}, {222, 22}, {221, 22}, {220, 22}, {219, 22}, {218, 22}, {217, 22}, {216, 22},
- {215, 22}, {214, 22}, {213, 22}, {212, 22}, {211, 22}, {210, 22}, {209, 22}, {208, 22},
- {207, 22}, {206, 22}, {205, 22}, {204, 22}, {203, 22}, {202, 22}, {201, 22}, {200, 22},
- {199, 22}, {198, 22}, {197, 22}, {196, 22}, {195, 22}, {194, 22}, {193, 22}, {192, 22},
- {191, 22}, {190, 22}, {189, 22}, {188, 22}, {187, 22}, {186, 22}, {185, 22}, {184, 22},
- {183, 22}, {182, 22}, {181, 22}, {180, 22}, {179, 22}, {178, 22}, {177, 22}, {176, 22},
- {175, 22}, {174, 22}, {173, 22}, {172, 22}, {171, 22}, {170, 22}, {169, 22}, {168, 22},
- {167, 22}, {166, 22}, {-256,22}, {164, 22}, {-211,22}, {162, 22}, {161, 22}, {160, 22},
- {-210,22}, {-168,22}, {157, 22}, {156, 22}, {155, 22}, {154, 22}, {153, 22}, {152, 22},
- {151, 22}, {150, 22}, {149, 22}, {148, 22}, {147, 22}, {146, 22}, {145, 22}, {144, 22},
- {143, 22}, {-208,22}, {141, 22}, {140, 22}, {139, 22}, {-200,22}, {137, 22}, {136, 22},
- {-198,22}, {134, 22}, {133, 22}, {-196,22}, {-201,22}, {130, 22}, {129, 22}, {128, 22},
- {127, 22}, {126, 22}, {-195,22}, {124, 22}, {-167,22}, {-166,22}, {-165,22}, {-164,22},
- {-163,22}, {-162,22}, {-161,22}, {-180,22}, {-160,22}, {-159,22}, {-158,22}, {-157,22},
- {-156,22}, {-155,22}, {-154,22}, {-153,22}, {-152,22}, {-151,22}, {-150,22}, {-149,22},
- {-148,22}, {-147,22}, {-146,22}, {-145,22}, {-144,22}, {-143,22}, {-142,22}, {-141,22},
- {-140,22}, {-139,22}, {-138,22}, {-137,22}, {-136,22}, {-135,22}, {-134,22}, {-133,22},
- {-132,22}, {-131,22}, {-130,22}, {-129,22}, {-126,22}, {-125,22}, {-124,22}, {-123,22},
- {-122,22}, {-121,22}, {-118,22}, {-116,22}, {-115,22}, {-113,22}, {-112,22}, {-107,22},
- {-106,22}, {-169,22}, {-170,22}, {-171,22}, {-172,22}, {-173,22}, {-174,22}, {-175,22},
- {-176,22}, {-177,22}, {-178,22}, {-187,22}, {-179,22}, {-181,22}, {-182,22}, {-183,22},
- {-184,22}, {-185,22}, {-186,22}, {-235,22}, {-188,22}, {-189,22}, {-190,22}, {-191,22},
- {-192,22}, {-193,22}, {-194,22}, {-197,22}, {-255,22}, {-254,22}, {-253,22}, {-252,22},
- {-251,22}, {-250,22}, {-249,22}, {-248,22}, {-247,22}, {-246,22}, {-245,22}, {-244,22},
- {-243,22}, {-242,22}, {-241,22}, {-240,22}, {-239,22}, {-238,22}, {-237,22}, {-232,22},
- {-236,22}, {-234,22}, {-233,22}, {-217,22}, {-231,22}, {-230,22}, {-229,22}, {-228,22},
- {-227,22}, {-226,22}, {-225,22}, {-224,22}, {-223,22}, {-222,22}, {-221,22}, {-220,22},
- {-219,22}, {-216,22}, {-202,22}, {-205,22}, {-215,22}, {-214,22}, {-213,22}, {-204,22},
- {-212,22}, {-209,22}, {-218,22}, {-199,22}, {-207,22}, {-206,22}, {165, 21}, {165, 21},
- {131, 21}, {131, 21}, {163, 21}, {163, 21}, {-203,21}, {-203,21}, {116, 21}, {116, 21},
- {159, 21}, {159, 21}, {138, 21}, {138, 21}, {158, 21}, {158, 21}, {-105,21}, {-105,21},
- {-111,21}, {-111,21}, {132, 21}, {132, 21}, {128, 21}, {128, 21}, {-127,21}, {-127,21},
- {-119,21}, {-119,21}, {-117,21}, {-117,21}
+static const uint8_t string_table[256] = {
+ 0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54,
+ 0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D,
+ 0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06,
+ 0x7B, 0xAE, 0x04, 0xD1, 0x85, 0x50, 0xFA, 0x2F,
+ 0xA4, 0x71, 0xDB, 0x0E, 0x5A, 0x8F, 0x25, 0xF0,
+ 0x8D, 0x58, 0xF2, 0x27, 0x73, 0xA6, 0x0C, 0xD9,
+ 0xF6, 0x23, 0x89, 0x5C, 0x08, 0xDD, 0x77, 0xA2,
+ 0xDF, 0x0A, 0xA0, 0x75, 0x21, 0xF4, 0x5E, 0x8B,
+ 0x9D, 0x48, 0xE2, 0x37, 0x63, 0xB6, 0x1C, 0xC9,
+ 0xB4, 0x61, 0xCB, 0x1E, 0x4A, 0x9F, 0x35, 0xE0,
+ 0xCF, 0x1A, 0xB0, 0x65, 0x31, 0xE4, 0x4E, 0x9B,
+ 0xE6, 0x33, 0x99, 0x4C, 0x18, 0xCD, 0x67, 0xB2,
+ 0x39, 0xEC, 0x46, 0x93, 0xC7, 0x12, 0xB8, 0x6D,
+ 0x10, 0xC5, 0x6F, 0xBA, 0xEE, 0x3B, 0x91, 0x44,
+ 0x6B, 0xBE, 0x14, 0xC1, 0x95, 0x40, 0xEA, 0x3F,
+ 0x42, 0x97, 0x3D, 0xE8, 0xBC, 0x69, 0xC3, 0x16,
+ 0xEF, 0x3A, 0x90, 0x45, 0x11, 0xC4, 0x6E, 0xBB,
+ 0xC6, 0x13, 0xB9, 0x6C, 0x38, 0xED, 0x47, 0x92,
+ 0xBD, 0x68, 0xC2, 0x17, 0x43, 0x96, 0x3C, 0xE9,
+ 0x94, 0x41, 0xEB, 0x3E, 0x6A, 0xBF, 0x15, 0xC0,
+ 0x4B, 0x9E, 0x34, 0xE1, 0xB5, 0x60, 0xCA, 0x1F,
+ 0x62, 0xB7, 0x1D, 0xC8, 0x9C, 0x49, 0xE3, 0x36,
+ 0x19, 0xCC, 0x66, 0xB3, 0xE7, 0x32, 0x98, 0x4D,
+ 0x30, 0xE5, 0x4F, 0x9A, 0xCE, 0x1B, 0xB1, 0x64,
+ 0x72, 0xA7, 0x0D, 0xD8, 0x8C, 0x59, 0xF3, 0x26,
+ 0x5B, 0x8E, 0x24, 0xF1, 0xA5, 0x70, 0xDA, 0x0F,
+ 0x20, 0xF5, 0x5F, 0x8A, 0xDE, 0x0B, 0xA1, 0x74,
+ 0x09, 0xDC, 0x76, 0xA3, 0xF7, 0x22, 0x88, 0x5D,
+ 0xD6, 0x03, 0xA9, 0x7C, 0x28, 0xFD, 0x57, 0x82,
+ 0xFF, 0x2A, 0x80, 0x55, 0x01, 0xD4, 0x7E, 0xAB,
+ 0x84, 0x51, 0xFB, 0x2E, 0x7A, 0xAF, 0x05, 0xD0,
+ 0xAD, 0x78, 0xD2, 0x07, 0x53, 0x86, 0x2C, 0xF9
};
#define SVQ1_PROCESS_VECTOR()\
mean -= (stages * 128);\
n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF);
-static int svq1_decode_block_intra (bit_buffer_t *bitbuf, uint8_t *pixels, int pitch ) {
+static int svq1_decode_block_intra (GetBitContext *bitbuf, uint8_t *pixels, int pitch ) {
uint32_t bit_cache;
- vlc_code_t *vlc;
uint8_t *list[63];
uint32_t *dst;
const uint32_t *codebook;
height = 1 << ((3 + level) /2);
/* get number of stages (-1 skips vector, 0 for mean only) */
- bit_cache = get_bit_cache (bitbuf);
-
- vlc = &svq1_intra_vector_tables[level][bit_cache >> (32 - 7)];
-
- /* flush bits */
- stages = vlc->value;
- skip_bits(bitbuf,vlc->length);
+ stages = get_vlc2(bitbuf, svq1_intra_multistage[level].table, 3, 3) - 1;
if (stages == -1) {
for (y=0; y < height; y++) {
if ((stages > 0) && (level >= 4)) {
#ifdef DEBUG_SVQ1
- printf("Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i\n",stages,level);
+ av_log(s->avctx, AV_LOG_INFO, "Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i\n",stages,level);
#endif
return -1; /* invalid vector */
}
- /* get mean value for vector */
- bit_cache = get_bit_cache (bitbuf);
-
- if (bit_cache >= 0x25000000)
- vlc = &svq1_intra_mean_table_0[(bit_cache >> (32 - 8)) - 37];
- else if (bit_cache >= 0x03400000)
- vlc = &svq1_intra_mean_table_1[(bit_cache >> (32 - 10)) - 13];
- else if (bit_cache >= 0x00040000)
- vlc = &svq1_intra_mean_table_2[(bit_cache >> (32 - 14)) - 1];
- else
- vlc = &svq1_intra_mean_table_3[bit_cache >> (32 - 20)];
-
- /* flush bits */
- mean = vlc->value;
- skip_bits(bitbuf,vlc->length);
+ mean = get_vlc2(bitbuf, svq1_intra_mean.table, 8, 3);
if (stages == 0) {
for (y=0; y < height; y++) {
return 0;
}
-static int svq1_decode_block_non_intra (bit_buffer_t *bitbuf, uint8_t *pixels, int pitch ) {
+static int svq1_decode_block_non_intra (GetBitContext *bitbuf, uint8_t *pixels, int pitch ) {
uint32_t bit_cache;
- vlc_code_t *vlc;
uint8_t *list[63];
uint32_t *dst;
const uint32_t *codebook;
height = 1 << ((3 + level) /2);
/* get number of stages (-1 skips vector, 0 for mean only) */
- bit_cache = get_bit_cache (bitbuf);
-
- vlc = &svq1_inter_vector_tables[level][bit_cache >> (32 - 6)];
-
- /* flush bits */
- stages = vlc->value;
- skip_bits(bitbuf,vlc->length);
+ stages = get_vlc2(bitbuf, svq1_inter_multistage[level].table, 3, 2) - 1;
if (stages == -1) continue; /* skip vector */
if ((stages > 0) && (level >= 4)) {
#ifdef DEBUG_SVQ1
- printf("Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\n",stages,level);
+ av_log(s->avctx, AV_LOG_INFO, "Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\n",stages,level);
#endif
return -1; /* invalid vector */
}
- /* get mean value for vector */
- bit_cache = get_bit_cache (bitbuf);
-
- if (bit_cache >= 0x0B000000)
- vlc = &svq1_inter_mean_table_0[(bit_cache >> (32 - 8)) - 11];
- else if (bit_cache >= 0x01200000)
- vlc = &svq1_inter_mean_table_1[(bit_cache >> (32 - 12)) - 18];
- else if (bit_cache >= 0x002E0000)
- vlc = &svq1_inter_mean_table_2[(bit_cache >> (32 - 15)) - 23];
- else if (bit_cache >= 0x00094000)
- vlc = &svq1_inter_mean_table_3[(bit_cache >> (32 - 18)) - 37];
- else if (bit_cache >= 0x00049000)
- vlc = &svq1_inter_mean_table_4[(bit_cache >> (32 - 20)) - 73];
- else
- vlc = &svq1_inter_mean_table_5[bit_cache >> (32 - 22)];
-
- /* flush bits */
- mean = vlc->value;
- skip_bits(bitbuf,vlc->length);
+ mean = get_vlc2(bitbuf, svq1_inter_mean.table, 9, 3) - 256;
SVQ1_CALC_CODEBOOK_ENTRIES(svq1_inter_codebooks);
SVQ1_DO_CODEBOOK_NONINTRA()
return 0;
}
-static int svq1_decode_motion_vector (bit_buffer_t *bitbuf, svq1_pmv_t *mv, svq1_pmv_t **pmv) {
- uint32_t bit_cache;
- vlc_code_t *vlc;
- int diff, sign;
+static int svq1_decode_motion_vector (GetBitContext *bitbuf, svq1_pmv_t *mv, svq1_pmv_t **pmv) {
+ int diff;
int i;
for (i=0; i < 2; i++) {
/* get motion code */
- bit_cache = get_bit_cache (bitbuf);
-
- if (!(bit_cache & 0xFFE00000))
- return -1; /* invalid vlc code */
-
- if (bit_cache & 0x80000000) {
- diff = 0;
-
- /* flush bit */
- skip_bits(bitbuf,1);
-
- } else {
- if (bit_cache >= 0x06000000) {
- vlc = &svq1_motion_table_0[(bit_cache >> (32 - 7)) - 3];
- } else {
- vlc = &svq1_motion_table_1[(bit_cache >> (32 - 12)) - 2];
- }
-
- /* decode motion vector differential */
- sign = (int) (bit_cache << (vlc->length - 1)) >> 31;
- diff = (vlc->value ^ sign) - sign;
-
- /* flush bits */
- skip_bits(bitbuf,vlc->length);
+ diff = get_vlc2(bitbuf, svq1_motion_component.table, 7, 2);
+ if(diff<0)
+ return -1;
+ else if(diff){
+ if(get_bits1(bitbuf)) diff= -diff;
}
/* add median of motion vector predictors and clip result */
if (i == 1)
- mv->y = ((diff + MEDIAN(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26;
+ mv->y = ((diff + mid_pred(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26;
else
- mv->x = ((diff + MEDIAN(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26;
+ mv->x = ((diff + mid_pred(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26;
}
return 0;
}
}
-static int svq1_motion_inter_block (MpegEncContext *s, bit_buffer_t *bitbuf,
+static int svq1_motion_inter_block (MpegEncContext *s, GetBitContext *bitbuf,
uint8_t *current, uint8_t *previous, int pitch,
svq1_pmv_t *motion, int x, int y) {
uint8_t *src;
motion[0].y =
motion[(x / 8) + 2].y =
motion[(x / 8) + 3].y = mv.y;
-
+
+ if(y + (mv.y >> 1)<0)
+ mv.y= 0;
+ if(x + (mv.x >> 1)<0)
+ mv.x= 0;
+
+#if 0
+ int w= (s->width+15)&~15;
+ int h= (s->height+15)&~15;
+ if(x + (mv.x >> 1)<0 || y + (mv.y >> 1)<0 || x + (mv.x >> 1) + 16 > w || y + (mv.y >> 1) + 16> h)
+ av_log(s->avctx, AV_LOG_INFO, "%d %d %d %d\n", x, y, x + (mv.x >> 1), y + (mv.y >> 1));
+#endif
+
src = &previous[(x + (mv.x >> 1)) + (y + (mv.y >> 1))*pitch];
dst = current;
return 0;
}
-static int svq1_motion_inter_4v_block (MpegEncContext *s, bit_buffer_t *bitbuf,
+static int svq1_motion_inter_4v_block (MpegEncContext *s, GetBitContext *bitbuf,
uint8_t *current, uint8_t *previous, int pitch,
svq1_pmv_t *motion,int x, int y) {
uint8_t *src;
/* form predictions */
for (i=0; i < 4; i++) {
- src = &previous[(x + (pmv[i]->x >> 1)) + (y + (pmv[i]->y >> 1))*pitch];
+ int mvx= pmv[i]->x + (i&1)*16;
+ int mvy= pmv[i]->y + (i>>1)*16;
+
+ ///XXX /FIXME cliping or padding?
+ if(y + (mvy >> 1)<0)
+ mvy= 0;
+ if(x + (mvx >> 1)<0)
+ mvx= 0;
+
+#if 0
+ int w= (s->width+15)&~15;
+ int h= (s->height+15)&~15;
+ if(x + (mvx >> 1)<0 || y + (mvy >> 1)<0 || x + (mvx >> 1) + 8 > w || y + (mvy >> 1) + 8> h)
+ av_log(s->avctx, AV_LOG_INFO, "%d %d %d %d\n", x, y, x + (mvx >> 1), y + (mvy >> 1));
+#endif
+ src = &previous[(x + (mvx >> 1)) + (y + (mvy >> 1))*pitch];
dst = current;
-
- s->dsp.put_pixels_tab[1][((pmv[i]->y & 1) << 1) | (pmv[i]->x & 1)](dst,src,pitch,8);
+
+ s->dsp.put_pixels_tab[1][((mvy & 1) << 1) | (mvx & 1)](dst,src,pitch,8);
/* select next block */
if (i & 1) {
current += 8*(pitch - 1);
- previous += 8*(pitch - 1);
} else {
current += 8;
- previous += 8;
}
}
return 0;
}
-static int svq1_decode_delta_block (MpegEncContext *s, bit_buffer_t *bitbuf,
+static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf,
uint8_t *current, uint8_t *previous, int pitch,
svq1_pmv_t *motion, int x, int y) {
- uint32_t bit_cache;
uint32_t block_type;
int result = 0;
/* get block type */
- bit_cache = get_bit_cache (bitbuf);
-
- bit_cache >>= (32 - 3);
- block_type = svq1_block_type_table[bit_cache].value;
- skip_bits(bitbuf,svq1_block_type_table[bit_cache].length);
+ block_type = get_vlc2(bitbuf, svq1_block_type.table, 2, 2);
/* reset motion vectors */
if (block_type == SVQ1_BLOCK_SKIP || block_type == SVQ1_BLOCK_INTRA) {
if (result != 0)
{
#ifdef DEBUG_SVQ1
- printf("Error in svq1_motion_inter_block %i\n",result);
+ av_log(s->avctx, AV_LOG_INFO, "Error in svq1_motion_inter_block %i\n",result);
#endif
break;
}
if (result != 0)
{
#ifdef DEBUG_SVQ1
- printf("Error in svq1_motion_inter_4v_block %i\n",result);
+ av_log(s->avctx, AV_LOG_INFO, "Error in svq1_motion_inter_4v_block %i\n",result);
#endif
break;
}
{ 704, 576 }, { 240, 180 }, { 320, 240 }, { -1, -1 }
};
-static int svq1_decode_frame_header (bit_buffer_t *bitbuf,MpegEncContext *s) {
+static uint16_t svq1_packet_checksum (uint8_t *data, int length, int value) {
+ int i;
+
+ for (i=0; i < length; i++) {
+ value = checksum_table[data[i] ^ (value >> 8)] ^ ((value & 0xFF) << 8);
+ }
+
+ return value;
+}
+
+static uint16_t svq1_component_checksum (uint16_t *pixels, int pitch,
+ int width, int height, int value) {
+ int x, y;
+
+ for (y=0; y < height; y++) {
+ for (x=0; x < width; x++) {
+ value = checksum_table[pixels[x] ^ (value >> 8)] ^ ((value & 0xFF) << 8);
+ }
+
+ pixels += pitch;
+ }
+
+ return value;
+}
+
+static void svq1_parse_string (GetBitContext *bitbuf, uint8_t *out) {
+ uint8_t seed;
+ int i;
+
+ out[0] = get_bits (bitbuf, 8);
+
+ seed = string_table[out[0]];
+
+ for (i=1; i <= out[0]; i++) {
+ out[i] = get_bits (bitbuf, 8) ^ seed;
+ seed = string_table[out[i] ^ seed];
+ }
+}
+
+static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
int frame_size_code;
+ int temporal_reference;
- /* unknown field */
- get_bits (bitbuf, 8);
+ temporal_reference = get_bits (bitbuf, 8);
/* frame type */
s->pict_type= get_bits (bitbuf, 2)+1;
if(s->pict_type==4)
return -1;
-
+
if (s->pict_type == I_TYPE) {
/* unknown fields */
if (s->f_code == 0x50 || s->f_code == 0x60) {
- get_bits (bitbuf, 16);
+ int csum = get_bits (bitbuf, 16);
+
+ csum = svq1_packet_checksum ((uint8_t *)bitbuf->buffer, bitbuf->size_in_bits>>3, csum);
+
+// av_log(s->avctx, AV_LOG_INFO, "%s checksum (%02x) for packet data\n",
+// (csum == 0) ? "correct" : "incorrect", csum);
}
if ((s->f_code ^ 0x10) >= 0x50) {
- skip_bits(bitbuf,8*get_bits (bitbuf, 8));
+ char msg[256];
+
+ svq1_parse_string (bitbuf, (char *) msg);
+
+ av_log(s->avctx, AV_LOG_INFO, "embedded message: \"%s\"\n", (char *) msg);
}
- get_bits (bitbuf, 2);
- get_bits (bitbuf, 2);
- get_bits (bitbuf, 1);
+ skip_bits (bitbuf, 2);
+ skip_bits (bitbuf, 2);
+ skip_bits1 (bitbuf);
/* load frame size */
frame_size_code = get_bits (bitbuf, 3);
/* unknown fields */
if (get_bits (bitbuf, 1) == 1) {
- get_bits (bitbuf, 1);
- get_bits (bitbuf, 1);
+ skip_bits1 (bitbuf); /* use packet checksum if (1) */
+ skip_bits1 (bitbuf); /* component checksums after image data if (1) */
if (get_bits (bitbuf, 2) != 0)
return -1;
}
if (get_bits (bitbuf, 1) == 1) {
- get_bits (bitbuf, 1);
- get_bits (bitbuf, 4);
- get_bits (bitbuf, 1);
- get_bits (bitbuf, 2);
+ skip_bits1 (bitbuf);
+ skip_bits (bitbuf, 4);
+ skip_bits1 (bitbuf);
+ skip_bits (bitbuf, 2);
while (get_bits (bitbuf, 1) == 1) {
- get_bits (bitbuf, 8);
+ skip_bits (bitbuf, 8);
}
}
static int svq1_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- UINT8 *buf, int buf_size)
+ uint8_t *buf, int buf_size)
{
MpegEncContext *s=avctx->priv_data;
uint8_t *current, *previous;
int result, i, x, y, width, height;
- AVVideoFrame *pict = data;
+ AVFrame *pict = data;
+ if(buf==NULL && buf_size==0){
+ return 0;
+ }
+
/* initialize bit buffer */
- init_get_bits(&s->gb,buf,buf_size);
+ init_get_bits(&s->gb,buf,buf_size*8);
/* decode frame header */
s->f_code = get_bits (&s->gb, 22);
if (result != 0)
{
#ifdef DEBUG_SVQ1
- printf("Error in svq1_decode_frame_header %i\n",result);
+ av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_frame_header %i\n",result);
#endif
return result;
}
+ //FIXME this avoids some confusion for "B frames" without 2 references
+ //this should be removed after libavcodec can handle more flexible picture types & ordering
+ if(s->pict_type==B_TYPE && s->last_picture_ptr==NULL) return buf_size;
+
if(avctx->hurry_up && s->pict_type==B_TYPE) return buf_size;
if(MPV_frame_start(s, avctx) < 0)
result = svq1_decode_block_intra (&s->gb, ¤t[x], linesize);
if (result != 0)
{
-#ifdef DEBUG_SVQ1
- printf("Error in svq1_decode_block %i (keyframe)\n",result);
-#endif
+//#ifdef DEBUG_SVQ1
+ av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_block %i (keyframe)\n",result);
+//#endif
return result;
}
}
if (result != 0)
{
#ifdef DEBUG_SVQ1
- printf("Error in svq1_decode_delta_block %i\n",result);
+ av_log(s->avctx, AV_LOG_INFO, "Error in svq1_decode_delta_block %i\n",result);
#endif
return result;
}
}
}
- *pict = *(AVVideoFrame*)&s->current_picture;
+ *pict = *(AVFrame*)&s->current_picture;
MPV_frame_end(s);
- *data_size=sizeof(AVVideoFrame);
+ *data_size=sizeof(AVFrame);
return buf_size;
}
static int svq1_decode_init(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
+ int i;
+
+ MPV_decode_defaults(s);
s->avctx = avctx;
s->width = (avctx->width+3)&~3;
s->height = (avctx->height+3)&~3;
s->codec_id= avctx->codec->id;
avctx->pix_fmt = PIX_FMT_YUV410P;
- avctx->has_b_frames= s->has_b_frames=1; // not true, but DP frames and these behave like unidirectional b frames
+ avctx->has_b_frames= 1; // not true, but DP frames and these behave like unidirectional b frames
s->flags= avctx->flags;
if (MPV_common_init(s) < 0) return -1;
+
+ init_vlc(&svq1_block_type, 2, 4,
+ &svq1_block_type_vlc[0][1], 2, 1,
+ &svq1_block_type_vlc[0][0], 2, 1);
+
+ init_vlc(&svq1_motion_component, 7, 33,
+ &mvtab[0][1], 2, 1,
+ &mvtab[0][0], 2, 1);
+
+ for (i = 0; i < 6; i++) {
+ init_vlc(&svq1_intra_multistage[i], 3, 8,
+ &svq1_intra_multistage_vlc[i][0][1], 2, 1,
+ &svq1_intra_multistage_vlc[i][0][0], 2, 1);
+ init_vlc(&svq1_inter_multistage[i], 3, 8,
+ &svq1_inter_multistage_vlc[i][0][1], 2, 1,
+ &svq1_inter_multistage_vlc[i][0][0], 2, 1);
+ }
+
+ init_vlc(&svq1_intra_mean, 8, 256,
+ &svq1_intra_mean_vlc[0][1], 4, 2,
+ &svq1_intra_mean_vlc[0][0], 4, 2);
+
+ init_vlc(&svq1_inter_mean, 9, 512,
+ &svq1_inter_mean_vlc[0][1], 4, 2,
+ &svq1_inter_mean_vlc[0][0], 4, 2);
+
return 0;
}
return 0;
}
+static void svq1_write_header(SVQ1Context *s, int frame_type)
+{
+ /* frame code */
+ put_bits(&s->pb, 22, 0x20);
+
+ /* temporal reference (sure hope this is a "don't care") */
+ put_bits(&s->pb, 8, 0x00);
+
+ /* frame type */
+ put_bits(&s->pb, 2, frame_type - 1);
+
+ if (frame_type == I_TYPE) {
+
+ /* no checksum since frame code is 0x20 */
+
+ /* no embedded string either */
+
+ /* output 5 unknown bits (2 + 2 + 1) */
+ put_bits(&s->pb, 5, 0);
+
+ /* forget about matching up resolutions, just use the free-form
+ * resolution code (7) for now */
+ put_bits(&s->pb, 3, 7);
+ put_bits(&s->pb, 12, s->frame_width);
+ put_bits(&s->pb, 12, s->frame_height);
+
+ }
+
+ /* no checksum or extra data (next 2 bits get 0) */
+ put_bits(&s->pb, 2, 0);
+}
+
+
+#define QUALITY_THRESHOLD 100
+#define THRESHOLD_MULTIPLIER 0.6
+
+#if defined(HAVE_ALTIVEC)
+#undef vector
+#endif
+
+static int encode_block(SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra){
+ int count, y, x, i, j, split, best_mean, best_score, best_count;
+ int best_vector[6];
+ int block_sum[7]= {0, 0, 0, 0, 0, 0};
+ int w= 2<<((level+2)>>1);
+ int h= 2<<((level+1)>>1);
+ int size=w*h;
+ int16_t block[7][256];
+ const int8_t *codebook_sum, *codebook;
+ const uint16_t (*mean_vlc)[2];
+ const uint8_t (*multistage_vlc)[2];
+
+ best_score=0;
+ //FIXME optimize, this doenst need to be done multiple times
+ if(intra){
+ codebook_sum= svq1_intra_codebook_sum[level];
+ codebook= svq1_intra_codebooks[level];
+ mean_vlc= svq1_intra_mean_vlc;
+ multistage_vlc= svq1_intra_multistage_vlc[level];
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int v= src[x + y*stride];
+ block[0][x + w*y]= v;
+ best_score += v*v;
+ block_sum[0] += v;
+ }
+ }
+ }else{
+ codebook_sum= svq1_inter_codebook_sum[level];
+ codebook= svq1_inter_codebooks[level];
+ mean_vlc= svq1_inter_mean_vlc + 256;
+ multistage_vlc= svq1_inter_multistage_vlc[level];
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ int v= src[x + y*stride] - ref[x + y*stride];
+ block[0][x + w*y]= v;
+ best_score += v*v;
+ block_sum[0] += v;
+ }
+ }
+ }
+
+ best_count=0;
+ best_score -= ((block_sum[0]*block_sum[0])>>(level+3));
+ best_mean= (block_sum[0] + (size>>1)) >> (level+3);
+
+ if(level<4){
+ for(count=1; count<7; count++){
+ int best_vector_score= INT_MAX;
+ int best_vector_sum=-999, best_vector_mean=-999;
+ const int stage= count-1;
+ const int8_t *vector;
+
+ for(i=0; i<16; i++){
+ int sum= codebook_sum[stage*16 + i];
+ int sqr=0;
+ int diff, mean, score;
+
+ vector = codebook + stage*size*16 + i*size;
+
+ for(j=0; j<size; j++){
+ int v= vector[j];
+ sqr += (v - block[stage][j])*(v - block[stage][j]);
+ }
+ diff= block_sum[stage] - sum;
+ mean= (diff + (size>>1)) >> (level+3);
+ assert(mean >-300 && mean<300);
+ if(intra) mean= clip(mean, 0, 255);
+ else mean= clip(mean, -256, 255);
+ score= sqr - ((diff*(int64_t)diff)>>(level+3)); //FIXME 64bit slooow
+ if(score < best_vector_score){
+ best_vector_score= score;
+ best_vector[stage]= i;
+ best_vector_sum= sum;
+ best_vector_mean= mean;
+ }
+ }
+ assert(best_vector_mean != -999);
+ vector= codebook + stage*size*16 + best_vector[stage]*size;
+ for(j=0; j<size; j++){
+ block[stage+1][j] = block[stage][j] - vector[j];
+ }
+ block_sum[stage+1]= block_sum[stage] - best_vector_sum;
+ best_vector_score +=
+ lambda*(+ 1 + 4*count
+ + multistage_vlc[1+count][1]
+ + mean_vlc[best_vector_mean][1]);
+
+ if(best_vector_score < best_score){
+ best_score= best_vector_score;
+ best_count= count;
+ best_mean= best_vector_mean;
+ }
+ }
+ }
+
+ split=0;
+ if(best_score > threshold && level){
+ int score=0;
+ int offset= (level&1) ? stride*h/2 : w/2;
+ PutBitContext backup[6];
+
+ for(i=level-1; i>=0; i--){
+ backup[i]= s->reorder_pb[i];
+ }
+ score += encode_block(s, src , ref , decoded , stride, level-1, threshold>>1, lambda, intra);
+ score += encode_block(s, src + offset, ref + offset, decoded + offset, stride, level-1, threshold>>1, lambda, intra);
+ score += lambda;
+
+ if(score < best_score){
+ best_score= score;
+ split=1;
+ }else{
+ for(i=level-1; i>=0; i--){
+ s->reorder_pb[i]= backup[i];
+ }
+ }
+ }
+ if (level > 0)
+ put_bits(&s->reorder_pb[level], 1, split);
+
+ if(!split){
+ assert((best_mean >= 0 && best_mean<256) || !intra);
+ assert(best_mean >= -256 && best_mean<256);
+ assert(best_count >=0 && best_count<7);
+ assert(level<4 || best_count==0);
+
+ /* output the encoding */
+ put_bits(&s->reorder_pb[level],
+ multistage_vlc[1 + best_count][1],
+ multistage_vlc[1 + best_count][0]);
+ put_bits(&s->reorder_pb[level], mean_vlc[best_mean][1],
+ mean_vlc[best_mean][0]);
+
+ for (i = 0; i < best_count; i++){
+ assert(best_vector[i]>=0 && best_vector[i]<16);
+ put_bits(&s->reorder_pb[level], 4, best_vector[i]);
+ }
+
+ for(y=0; y<h; y++){
+ for(x=0; x<w; x++){
+ decoded[x + y*stride]= src[x + y*stride] - block[best_count][x + w*y] + best_mean;
+ }
+ }
+ }
+
+ return best_score;
+}
+
+#ifdef CONFIG_ENCODERS
+
+static void svq1_encode_plane(SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane,
+ int width, int height, int src_stride, int stride)
+{
+ int x, y;
+ int i;
+ int block_width, block_height;
+ int level;
+ int threshold[6];
+ const int lambda= (s->picture.quality*s->picture.quality) >> (2*FF_LAMBDA_SHIFT);
+
+ /* figure out the acceptable level thresholds in advance */
+ threshold[5] = QUALITY_THRESHOLD;
+ for (level = 4; level >= 0; level--)
+ threshold[level] = threshold[level + 1] * THRESHOLD_MULTIPLIER;
+
+ block_width = (width + 15) / 16;
+ block_height = (height + 15) / 16;
+
+ if(s->picture.pict_type == P_TYPE){
+ s->m.avctx= s->avctx;
+ s->m.current_picture_ptr= &s->m.current_picture;
+ s->m.last_picture_ptr = &s->m.last_picture;
+ s->m.last_picture.data[0]= ref_plane;
+ s->m.linesize=
+ s->m.last_picture.linesize[0]=
+ s->m.new_picture.linesize[0]=
+ s->m.current_picture.linesize[0]= stride;
+ s->m.width= width;
+ s->m.height= height;
+ s->m.mb_width= block_width;
+ s->m.mb_height= block_height;
+ s->m.mb_stride= s->m.mb_width+1;
+ s->m.b8_stride= 2*s->m.mb_width+1;
+ s->m.f_code=1;
+ s->m.pict_type= s->picture.pict_type;
+ s->m.qscale= s->picture.quality/FF_QP2LAMBDA;
+ s->m.me_method= s->avctx->me_method;
+
+ if(!s->motion_val8[plane]){
+ s->motion_val8 [plane]= av_mallocz(s->m.b8_stride*block_height*2*2*sizeof(int16_t));
+ s->motion_val16[plane]= av_mallocz(s->m.mb_stride*block_height*2*sizeof(int16_t));
+ }
+
+ s->m.mb_type= s->mb_type;
+
+ //dummies, to avoid segfaults
+ s->m.current_picture.mb_mean= (uint8_t *)s->dummy;
+ s->m.current_picture.mb_var= (uint16_t*)s->dummy;
+ s->m.current_picture.mc_mb_var= (uint16_t*)s->dummy;
+ s->m.current_picture.mb_type= s->dummy;
+
+ s->m.current_picture.motion_val[0]= s->motion_val8[plane];
+ s->m.p_mv_table= s->motion_val16[plane];
+ s->m.dsp= s->dsp; //move
+ ff_init_me(&s->m);
+
+ s->m.me.dia_size= s->avctx->dia_size;
+ s->m.first_slice_line=1;
+ for (y = 0; y < block_height; y++) {
+ uint8_t src[stride*16];
+
+ s->m.new_picture.data[0]= src - y*16*stride; //ugly
+ s->m.mb_y= y;
+
+ for(i=0; i<16 && i + 16*y<height; i++){
+ memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
+ for(x=width; x<16*block_width; x++)
+ src[i*stride+x]= src[i*stride+x-1];
+ }
+ for(; i<16 && i + 16*y<16*block_height; i++)
+ memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
+
+ for (x = 0; x < block_width; x++) {
+ s->m.mb_x= x;
+ ff_init_block_index(&s->m);
+ ff_update_block_index(&s->m);
+
+ ff_estimate_p_frame_motion(&s->m, x, y);
+ }
+ s->m.first_slice_line=0;
+ }
+
+ ff_fix_long_p_mvs(&s->m);
+ ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code, CANDIDATE_MB_TYPE_INTER, 0);
+ }
+
+ s->m.first_slice_line=1;
+ for (y = 0; y < block_height; y++) {
+ uint8_t src[stride*16];
+
+ for(i=0; i<16 && i + 16*y<height; i++){
+ memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width);
+ for(x=width; x<16*block_width; x++)
+ src[i*stride+x]= src[i*stride+x-1];
+ }
+ for(; i<16 && i + 16*y<16*block_height; i++)
+ memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width);
+
+ s->m.mb_y= y;
+ for (x = 0; x < block_width; x++) {
+ uint8_t reorder_buffer[3][6][7*32];
+ int count[3][6];
+ int offset = y * 16 * stride + x * 16;
+ uint8_t *decoded= decoded_plane + offset;
+ uint8_t *ref= ref_plane + offset;
+ int score[4]={0,0,0,0}, best;
+ uint8_t temp[16*stride];
+
+ s->m.mb_x= x;
+ ff_init_block_index(&s->m);
+ ff_update_block_index(&s->m);
+
+ if(s->picture.pict_type == I_TYPE || (s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTRA)){
+ for(i=0; i<6; i++){
+ init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7*32);
+ }
+ if(s->picture.pict_type == P_TYPE){
+ const uint8_t *vlc= svq1_block_type_vlc[SVQ1_BLOCK_INTRA];
+ put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
+ score[0]= vlc[1]*lambda;
+ }
+ score[0]+= encode_block(s, src+16*x, NULL, temp, stride, 5, 64, lambda, 1);
+ for(i=0; i<6; i++){
+ count[0][i]= put_bits_count(&s->reorder_pb[i]);
+ flush_put_bits(&s->reorder_pb[i]);
+ }
+ }else
+ score[0]= INT_MAX;
+
+ best=0;
+
+ if(s->picture.pict_type == P_TYPE){
+ const uint8_t *vlc= svq1_block_type_vlc[SVQ1_BLOCK_INTER];
+ int mx, my, pred_x, pred_y, dxy;
+ int16_t *motion_ptr;
+
+ motion_ptr= h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y);
+ if(s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTER){
+ for(i=0; i<6; i++)
+ init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7*32);
+
+ put_bits(&s->reorder_pb[5], vlc[1], vlc[0]);
+
+ s->m.pb= s->reorder_pb[5];
+ mx= motion_ptr[0];
+ my= motion_ptr[1];
+ assert(mx>=-32 && mx<=31);
+ assert(my>=-32 && my<=31);
+ assert(pred_x>=-32 && pred_x<=31);
+ assert(pred_y>=-32 && pred_y<=31);
+ ff_h263_encode_motion(&s->m, mx - pred_x, 1);
+ ff_h263_encode_motion(&s->m, my - pred_y, 1);
+ s->reorder_pb[5]= s->m.pb;
+ score[1] += lambda*put_bits_count(&s->reorder_pb[5]);
+
+ dxy= (mx&1) + 2*(my&1);
+
+ s->dsp.put_pixels_tab[0][dxy](temp+16, ref + (mx>>1) + stride*(my>>1), stride, 16);
+
+ score[1]+= encode_block(s, src+16*x, temp+16, decoded, stride, 5, 64, lambda, 0);
+ best= score[1] <= score[0];
+
+ vlc= svq1_block_type_vlc[SVQ1_BLOCK_SKIP];
+ score[2]= s->dsp.sse[0](NULL, src+16*x, ref, stride, 16);
+ score[2]+= vlc[1]*lambda;
+ if(score[2] < score[best] && mx==0 && my==0){
+ best=2;
+ s->dsp.put_pixels_tab[0][0](decoded, ref, stride, 16);
+ for(i=0; i<6; i++){
+ count[2][i]=0;
+ }
+ put_bits(&s->pb, vlc[1], vlc[0]);
+ }
+ }
+
+ if(best==1){
+ for(i=0; i<6; i++){
+ count[1][i]= put_bits_count(&s->reorder_pb[i]);
+ flush_put_bits(&s->reorder_pb[i]);
+ }
+ }else{
+ motion_ptr[0 ] = motion_ptr[1 ]=
+ motion_ptr[2 ] = motion_ptr[3 ]=
+ motion_ptr[0+2*s->m.b8_stride] = motion_ptr[1+2*s->m.b8_stride]=
+ motion_ptr[2+2*s->m.b8_stride] = motion_ptr[3+2*s->m.b8_stride]=0;
+ }
+ }
+
+ s->rd_total += score[best];
+
+ for(i=5; i>=0; i--){
+ ff_copy_bits(&s->pb, reorder_buffer[best][i], count[best][i]);
+ }
+ if(best==0){
+ s->dsp.put_pixels_tab[0][0](decoded, temp, stride, 16);
+ }
+ }
+ s->m.first_slice_line=0;
+ }
+}
+
+static int svq1_encode_init(AVCodecContext *avctx)
+{
+ SVQ1Context * const s = avctx->priv_data;
+
+ dsputil_init(&s->dsp, avctx);
+ avctx->coded_frame= (AVFrame*)&s->picture;
+
+ s->frame_width = avctx->width;
+ s->frame_height = avctx->height;
+
+ s->y_block_width = (s->frame_width + 15) / 16;
+ s->y_block_height = (s->frame_height + 15) / 16;
+
+ s->c_block_width = (s->frame_width / 4 + 15) / 16;
+ s->c_block_height = (s->frame_height / 4 + 15) / 16;
+
+ s->avctx= avctx;
+ 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->mb_type = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int16_t));
+ s->dummy = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int32_t));
+ h263_encode_init(&s->m); //mv_penalty
+
+ return 0;
+}
+
+static int svq1_encode_frame(AVCodecContext *avctx, unsigned char *buf,
+ int buf_size, void *data)
+{
+ SVQ1Context * const s = avctx->priv_data;
+ AVFrame *pict = data;
+ AVFrame * const p= (AVFrame*)&s->picture;
+ AVFrame temp;
+ int i;
+
+ if(avctx->pix_fmt != PIX_FMT_YUV410P){
+ av_log(avctx, AV_LOG_ERROR, "unsupported pixel format\n");
+ return -1;
+ }
+
+ if(!s->current_picture.data[0]){
+ avctx->get_buffer(avctx, &s->current_picture);
+ avctx->get_buffer(avctx, &s->last_picture);
+ }
+
+ temp= s->current_picture;
+ s->current_picture= s->last_picture;
+ s->last_picture= temp;
+
+ init_put_bits(&s->pb, buf, buf_size);
+
+ *p = *pict;
+ p->pict_type = avctx->frame_number % avctx->gop_size ? P_TYPE : I_TYPE;
+ p->key_frame = p->pict_type == I_TYPE;
+
+ svq1_write_header(s, p->pict_type);
+ for(i=0; i<3; i++){
+ svq1_encode_plane(s, i,
+ s->picture.data[i], s->last_picture.data[i], s->current_picture.data[i],
+ s->frame_width / (i?4:1), s->frame_height / (i?4:1),
+ s->picture.linesize[i], s->current_picture.linesize[i]);
+ }
+
+// align_put_bits(&s->pb);
+ while(put_bits_count(&s->pb) & 31)
+ put_bits(&s->pb, 1, 0);
+
+ flush_put_bits(&s->pb);
+
+ return (put_bits_count(&s->pb) / 8);
+}
+
+static int svq1_encode_end(AVCodecContext *avctx)
+{
+ SVQ1Context * const s = avctx->priv_data;
+ int i;
+
+ av_log(avctx, AV_LOG_DEBUG, "RD: %f\n", s->rd_total/(double)(avctx->width*avctx->height*avctx->frame_number));
+
+ av_freep(&s->m.me.scratchpad);
+ av_freep(&s->m.me.map);
+ av_freep(&s->m.me.score_map);
+ av_freep(&s->mb_type);
+ av_freep(&s->dummy);
+
+ for(i=0; i<3; i++){
+ av_freep(&s->motion_val8[i]);
+ av_freep(&s->motion_val16[i]);
+ }
+
+ return 0;
+}
+
+#endif //CONFIG_ENCODERS
+
AVCodec svq1_decoder = {
"svq1",
CODEC_TYPE_VIDEO,
svq1_decode_end,
svq1_decode_frame,
CODEC_CAP_DR1,
+ .flush= ff_mpeg_flush,
+ .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV410P, -1},
};
+
+#ifdef CONFIG_ENCODERS
+
+AVCodec svq1_encoder = {
+ "svq1",
+ CODEC_TYPE_VIDEO,
+ CODEC_ID_SVQ1,
+ sizeof(SVQ1Context),
+ svq1_encode_init,
+ svq1_encode_frame,
+ svq1_encode_end,
+ .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV410P, -1},
+};
+
+#endif //CONFIG_ENCODERS
projects / ffmpeg / blobdiff