tired

[ffmpeg] / libavcodec / huffyuv.c

diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c
index 59006b74d750dd2baedb467aec2de89c62fb4b4f..a4193fdea451eab3619296e3cc9fd315d271599b 100644 (file)
--- a/libavcodec/huffyuv.c
+++ b/libavcodec/huffyuv.c
@@ -20,6 +20,11 @@
  * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of
  * the algorithm used 
  */
+ 
+/**
+ * @file huffyuv.c
+ * huffyuv codec for libavcodec.
+ */
 
 #include "common.h"
 #include "avcodec.h"
@@ -62,6 +67,56 @@ typedef struct HYuvContext{
     DSPContext dsp; 
 }HYuvContext;
 
+static const unsigned char classic_shift_luma[] = {
+  34,36,35,69,135,232,9,16,10,24,11,23,12,16,13,10,14,8,15,8,
+  16,8,17,20,16,10,207,206,205,236,11,8,10,21,9,23,8,8,199,70,
+  69,68, 0
+};
+
+static const unsigned char classic_shift_chroma[] = {
+  66,36,37,38,39,40,41,75,76,77,110,239,144,81,82,83,84,85,118,183,
+  56,57,88,89,56,89,154,57,58,57,26,141,57,56,58,57,58,57,184,119,
+  214,245,116,83,82,49,80,79,78,77,44,75,41,40,39,38,37,36,34, 0
+};
+
+static const unsigned char classic_add_luma[256] = {
+    3,  9,  5, 12, 10, 35, 32, 29, 27, 50, 48, 45, 44, 41, 39, 37,
+   73, 70, 68, 65, 64, 61, 58, 56, 53, 50, 49, 46, 44, 41, 38, 36,
+   68, 65, 63, 61, 58, 55, 53, 51, 48, 46, 45, 43, 41, 39, 38, 36,
+   35, 33, 32, 30, 29, 27, 26, 25, 48, 47, 46, 44, 43, 41, 40, 39,
+   37, 36, 35, 34, 32, 31, 30, 28, 27, 26, 24, 23, 22, 20, 19, 37,
+   35, 34, 33, 31, 30, 29, 27, 26, 24, 23, 21, 20, 18, 17, 15, 29,
+   27, 26, 24, 22, 21, 19, 17, 16, 14, 26, 25, 23, 21, 19, 18, 16,
+   15, 27, 25, 23, 21, 19, 17, 16, 14, 26, 25, 23, 21, 18, 17, 14,
+   12, 17, 19, 13,  4,  9,  2, 11,  1,  7,  8,  0, 16,  3, 14,  6,
+   12, 10,  5, 15, 18, 11, 10, 13, 15, 16, 19, 20, 22, 24, 27, 15,
+   18, 20, 22, 24, 26, 14, 17, 20, 22, 24, 27, 15, 18, 20, 23, 25,
+   28, 16, 19, 22, 25, 28, 32, 36, 21, 25, 29, 33, 38, 42, 45, 49,
+   28, 31, 34, 37, 40, 42, 44, 47, 49, 50, 52, 54, 56, 57, 59, 60,
+   62, 64, 66, 67, 69, 35, 37, 39, 40, 42, 43, 45, 47, 48, 51, 52,
+   54, 55, 57, 59, 60, 62, 63, 66, 67, 69, 71, 72, 38, 40, 42, 43,
+   46, 47, 49, 51, 26, 28, 30, 31, 33, 34, 18, 19, 11, 13,  7,  8,
+};
+
+static const unsigned char classic_add_chroma[256] = {
+    3,  1,  2,  2,  2,  2,  3,  3,  7,  5,  7,  5,  8,  6, 11,  9,
+    7, 13, 11, 10,  9,  8,  7,  5,  9,  7,  6,  4,  7,  5,  8,  7,
+   11,  8, 13, 11, 19, 15, 22, 23, 20, 33, 32, 28, 27, 29, 51, 77,
+   43, 45, 76, 81, 46, 82, 75, 55, 56,144, 58, 80, 60, 74,147, 63,
+  143, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+   80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 27, 30, 21, 22,
+   17, 14,  5,  6,100, 54, 47, 50, 51, 53,106,107,108,109,110,111,
+  112,113,114,115,  4,117,118, 92, 94,121,122,  3,124,103,  2,  1,
+    0,129,130,131,120,119,126,125,136,137,138,139,140,141,142,134,
+  135,132,133,104, 64,101, 62, 57,102, 95, 93, 59, 61, 28, 97, 96,
+   52, 49, 48, 29, 32, 25, 24, 46, 23, 98, 45, 44, 43, 20, 42, 41,
+   19, 18, 99, 40, 15, 39, 38, 16, 13, 12, 11, 37, 10,  9,  8, 36,
+    7,128,127,105,123,116, 35, 34, 33,145, 31, 79, 42,146, 78, 26,
+   83, 48, 49, 50, 44, 47, 26, 31, 30, 18, 17, 19, 21, 24, 25, 13,
+   14, 16, 17, 18, 20, 21, 12, 14, 15,  9, 10,  6,  9,  6,  5,  8,
+    6, 12,  8, 10,  7,  9,  6,  4,  6,  2,  2,  3,  3,  3,  3,  2,
+};
+
 static inline void bswap_buf(uint32_t *dst, uint32_t *src, int w){
     int i;
     
@@ -291,7 +346,7 @@ printf("%6X, %2d,  %3d\n", s->bits[i][j], s->len[i][j], j);
 }
 
 static int read_old_huffman_tables(HYuvContext *s){
-#if 0    
+#if 1
     GetBitContext gb;
     int i;
 
@@ -328,7 +383,7 @@ static int decode_init(AVCodecContext *avctx)
     s->avctx= avctx;
     s->flags= avctx->flags;
         
-    dsputil_init(&s->dsp, avctx->dsp_mask);
+    dsputil_init(&s->dsp, avctx);
     
     width= s->width= avctx->width;
     height= s->height= avctx->height;
@@ -449,7 +504,7 @@ static int encode_init(AVCodecContext *avctx)
     s->avctx= avctx;
     s->flags= avctx->flags;
         
-    dsputil_init(&s->dsp, avctx->dsp_mask);
+    dsputil_init(&s->dsp, avctx);
     
     width= s->width= avctx->width;
     height= s->height= avctx->height;
@@ -904,14 +959,8 @@ static int decode_end(AVCodecContext *avctx)
     for(i=0; i<3; i++){
         free_vlc(&s->vlc[i]);
     }
-
-    if(avctx->get_buffer == avcodec_default_get_buffer){
-        for(i=0; i<4; i++){
-            av_freep(&s->picture.base[i]);
-            s->picture.data[i]= NULL;
-        }
-        av_freep(&s->picture.opaque);
-    }
+    
+    avcodec_default_free_buffers(avctx);
 
     return 0;
 }
@@ -1077,6 +1126,12 @@ static int encode_end(AVCodecContext *avctx)
     return 0;
 }
 
+static const AVOption huffyuv_options[] =
+{
+    AVOPTION_CODEC_INT("prediction_method", "prediction_method", prediction_method, 0, 2, 0),
+    AVOPTION_END()
+};
+
 AVCodec huffyuv_decoder = {
     "huffyuv",
     CODEC_TYPE_VIDEO,
@@ -1098,4 +1153,5 @@ AVCodec huffyuv_encoder = {
     encode_init,
     encode_frame,
     encode_end,
+    .options = huffyuv_options,
 };