snow altivec is broken

[ffmpeg] / libavcodec / h263.c

diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 7446bda6be6bdbd7d17e462c8ab59002707cba1a..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){
@@ -2259,25 +2276,12 @@ void ff_mpeg4_stuffing(PutBitContext * pbc)
 }
 
 /* must be called before writing the header */
-void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
-    int time_div, time_mod;
-
-    assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
-    s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
-
-    time_div= s->time/s->avctx->time_base.den;
-    time_mod= s->time%s->avctx->time_base.den;
-
+void ff_set_mpeg4_time(MpegEncContext * s){
     if(s->pict_type==B_TYPE){
-        s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
-        assert(s->pb_time > 0 && s->pb_time < s->pp_time);
         ff_mpeg4_init_direct_mv(s);
     }else{
         s->last_time_base= s->time_base;
-        s->time_base= time_div;
-        s->pp_time= s->time - s->last_non_b_time;
-        s->last_non_b_time= s->time;
-        assert(picture_number==0 || s->pp_time > 0);
+        s->time_base= s->time/s->avctx->time_base.den;
     }
 }
 
@@ -2360,6 +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;
@@ -2900,59 +2906,6 @@ static VLC mb_type_b_vlc;
 static VLC h263_mbtype_b_vlc;
 static VLC cbpc_b_vlc;
 
-void init_vlc_rl(RLTable *rl, int use_static)
-{
-    int i, q;
-
-    /* Return if static table is already initialized */
-    if(use_static && rl->rl_vlc[0])
-        return;
-
-    init_vlc(&rl->vlc, 9, rl->n + 1,
-             &rl->table_vlc[0][1], 4, 2,
-             &rl->table_vlc[0][0], 4, 2, use_static);
-
-
-    for(q=0; q<32; q++){
-        int qmul= q*2;
-        int qadd= (q-1)|1;
-
-        if(q==0){
-            qmul=1;
-            qadd=0;
-        }
-        if(use_static)
-            rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
-        else
-            rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
-        for(i=0; i<rl->vlc.table_size; i++){
-            int code= rl->vlc.table[i][0];
-            int len = rl->vlc.table[i][1];
-            int level, run;
-
-            if(len==0){ // illegal code
-                run= 66;
-                level= MAX_LEVEL;
-            }else if(len<0){ //more bits needed
-                run= 0;
-                level= code;
-            }else{
-                if(code==rl->n){ //esc
-                    run= 66;
-                    level= 0;
-                }else{
-                    run=   rl->table_run  [code] + 1;
-                    level= rl->table_level[code] * qmul + qadd;
-                    if(code >= rl->last) run+=192;
-                }
-            }
-            rl->rl_vlc[q][i].len= len;
-            rl->rl_vlc[q][i].level= level;
-            rl->rl_vlc[q][i].run= run;
-        }
-    }
-}
-
 /* init vlcs */
 
 /* XXX: find a better solution to handle static init */
@@ -5124,7 +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");
             }
@@ -5276,20 +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")){
@@ -6184,11 +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 */
@@ -6209,6 +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;
 }