Fix issue 123 (Support Magic-carpet fli version,

[ffmpeg] / libavcodec / h263.c

diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 43ec7964cc04dd62772a9f5f5af303aeed36b151..3d4ba83863ffd68c525cd3588c4ebafed5b0ad69 100644 (file)
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -138,6 +138,23 @@ int h263_get_picture_format(int width, int height)
     return format;
 }
 
+static void show_pict_info(MpegEncContext *s){
+    av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
+         s->qscale, av_get_pict_type_char(s->pict_type),
+         s->gb.size_in_bits, 1-s->no_rounding,
+         s->obmc ? " AP" : "",
+         s->umvplus ? " UMV" : "",
+         s->h263_long_vectors ? " LONG" : "",
+         s->h263_plus ? " +" : "",
+         s->h263_aic ? " AIC" : "",
+         s->alt_inter_vlc ? " AIV" : "",
+         s->modified_quant ? " MQ" : "",
+         s->loop_filter ? " LOOP" : "",
+         s->h263_slice_structured ? " SS" : "",
+         s->avctx->time_base.den, s->avctx->time_base.num
+    );
+}
+
 #ifdef CONFIG_ENCODERS
 
 static void aspect_to_info(MpegEncContext * s, AVRational aspect){
@@ -893,7 +910,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
         int i, cbp;
 
         if(s->pict_type==B_TYPE){
-            static const int mb_type_table[8]= {-1, 2, 3, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
+            static const int mb_type_table[8]= {-1, 3, 2, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
             int mb_type=  mb_type_table[s->mv_dir];
 
             if(s->mb_x==0){
@@ -2347,6 +2364,8 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
 {
     int vo_ver_id;
 
+    if (!ENABLE_MPEG4_ENCODER)  return;
+
     if(s->max_b_frames || s->quarter_sample){
         vo_ver_id= 5;
         s->vo_type= ADV_SIMPLE_VO_TYPE;
@@ -2448,8 +2467,6 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
     int time_incr;
     int time_div, time_mod;
 
-    if (!ENABLE_MPEG4_ENCODER)  return;
-
     if(s->pict_type==I_TYPE){
         if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){
             if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT) //HACK, the reference sw is buggy
@@ -5060,7 +5077,7 @@ int h263_decode_picture_header(MpegEncContext *s)
             format = get_bits(&s->gb, 3);
             dprintf(s->avctx, "ufep=1, format: %d\n", format);
             s->custom_pcf= get_bits1(&s->gb);
-            s->umvplus = get_bits(&s->gb, 1); /* Unrestricted Motion Vector */
+            s->umvplus = get_bits1(&s->gb); /* Unrestricted Motion Vector */
             if (get_bits1(&s->gb) != 0) {
                 av_log(s->avctx, AV_LOG_ERROR, "Syntax-based Arithmetic Coding (SAC) not supported\n");
             }
@@ -5212,20 +5229,7 @@ int h263_decode_picture_header(MpegEncContext *s)
     }
 
      if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-         av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
-         s->qscale, av_get_pict_type_char(s->pict_type),
-         s->gb.size_in_bits, 1-s->no_rounding,
-         s->obmc ? " AP" : "",
-         s->umvplus ? " UMV" : "",
-         s->h263_long_vectors ? " LONG" : "",
-         s->h263_plus ? " +" : "",
-         s->h263_aic ? " AIC" : "",
-         s->alt_inter_vlc ? " AIV" : "",
-         s->modified_quant ? " MQ" : "",
-         s->loop_filter ? " LOOP" : "",
-         s->h263_slice_structured ? " SS" : "",
-         s->avctx->time_base.den, s->avctx->time_base.num
-         );
+        show_pict_info(s);
      }
 #if 1
     if (s->pict_type == I_TYPE && s->codec_tag == ff_get_fourcc("ZYGO")){
@@ -6120,11 +6124,7 @@ int intel_h263_decode_picture_header(MpegEncContext *s)
         av_log(s->avctx, AV_LOG_ERROR, "SAC not supported\n");
         return -1;      /* SAC: off */
     }
-    if (get_bits1(&s->gb) != 0) {
-        s->obmc= 1;
-        av_log(s->avctx, AV_LOG_ERROR, "Advanced Prediction Mode not supported\n");
-//        return -1;      /* advanced prediction mode: off */
-    }
+    s->obmc= get_bits1(&s->gb);
     if (get_bits1(&s->gb) != 0) {
         av_log(s->avctx, AV_LOG_ERROR, "PB frame mode no supported\n");
         return -1;      /* PB frame mode */
@@ -6145,6 +6145,9 @@ int intel_h263_decode_picture_header(MpegEncContext *s)
     s->y_dc_scale_table=
     s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
 
+    if(s->avctx->debug&FF_DEBUG_PICT_INFO)
+        show_pict_info(s);
+
     return 0;
 }