Merge commit '95eb35f30513e335990ad0d5dca6ddc318477291'

* commit '95eb35f30513e335990ad0d5dca6ddc318477291':
  h264: move the ref lists variables into the per-slice context

Conflicts:
	libavcodec/h264.c
	libavcodec/h264.h
	libavcodec/h264_cabac.c
	libavcodec/h264_cavlc.c
	libavcodec/h264_direct.c
	libavcodec/h264_mb.c
	libavcodec/h264_picture.c
	libavcodec/h264_refs.c
	libavcodec/h264_slice.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 19 insertions, 17 deletions

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index b2cf137754..1849cc32d2 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -75,13 +75,13 @@ static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
      * differ between slices. We take the easy approach and ignore
      * it for now. If this turns out to have any relevance in
      * practice then correct remapping should be added. */
-    if (ref >= h->ref_count[0])
+    if (ref >= sl->ref_count[0])
         ref = 0;
-    if (!h->ref_list[0][ref].f.data[0]) {
+    if (!sl->ref_list[0][ref].f.data[0]) {
         av_log(h->avctx, AV_LOG_DEBUG, "Reference not available for error concealing\n");
         ref = 0;
     }
-    if ((h->ref_list[0][ref].reference&3) != 3) {
+    if ((sl->ref_list[0][ref].reference&3) != 3) {
         av_log(h->avctx, AV_LOG_DEBUG, "Reference invalid\n");
         return;
     }
@@ -95,11 +95,12 @@ static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
     ff_h264_hl_decode_mb(h, &h->slice_ctx[0]);
 }
 
-void ff_h264_draw_horiz_band(H264Context *h, int y, int height)
+void ff_h264_draw_horiz_band(H264Context *h, H264SliceContext *sl,
+                             int y, int height)
 {
     AVCodecContext *avctx = h->avctx;
     AVFrame *cur  = &h->cur_pic.f;
-    AVFrame *last = h->ref_list[0][0].f.data[0] ? &h->ref_list[0][0].f : NULL;
+    AVFrame *last = sl->ref_list[0][0].f.data[0] ? &sl->ref_list[0][0].f : NULL;
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
     int vshift = desc->log2_chroma_h;
     const int field_pic = h->picture_structure != PICT_FRAME;
@@ -1033,7 +1034,7 @@ int ff_pred_weight_table(H264Context *h, H264SliceContext *sl)
     for (list = 0; list < 2; list++) {
         sl->luma_weight_flag[list]   = 0;
         sl->chroma_weight_flag[list] = 0;
-        for (i = 0; i < h->ref_count[list]; i++) {
+        for (i = 0; i < sl->ref_count[list]; i++) {
             int luma_weight_flag, chroma_weight_flag;
 
             luma_weight_flag = get_bits1(&h->gb);
@@ -1117,9 +1118,10 @@ void ff_h264_flush_change(H264Context *h)
     ff_h264_reset_sei(h);
     h->recovery_frame = -1;
     h->frame_recovered = 0;
-    h->list_count = 0;
     h->current_slice = 0;
     h->mmco_reset = 1;
+    for (i = 0; i < h->nb_slice_ctx; i++)
+        h->slice_ctx[i].list_count = 0;
 }
 
 /* forget old pics after a seek */
@@ -1324,8 +1326,8 @@ int ff_set_ref_count(H264Context *h, H264SliceContext *sl)
 
         if (ref_count[0]-1 > max[0] || ref_count[1]-1 > max[1]){
             av_log(h->avctx, AV_LOG_ERROR, "reference overflow %u > %u or %u > %u\n", ref_count[0]-1, max[0], ref_count[1]-1, max[1]);
-            h->ref_count[0] = h->ref_count[1] = 0;
-            h->list_count   = 0;
+            sl->ref_count[0] = sl->ref_count[1] = 0;
+            sl->list_count   = 0;
             return AVERROR_INVALIDDATA;
         }
 
@@ -1338,12 +1340,12 @@ int ff_set_ref_count(H264Context *h, H264SliceContext *sl)
         ref_count[0] = ref_count[1] = 0;
     }
 
-    if (list_count != h->list_count ||
-        ref_count[0] != h->ref_count[0] ||
-        ref_count[1] != h->ref_count[1]) {
-        h->ref_count[0] = ref_count[0];
-        h->ref_count[1] = ref_count[1];
-        h->list_count   = list_count;
+    if (list_count   != sl->list_count   ||
+        ref_count[0] != sl->ref_count[0] ||
+        ref_count[1] != sl->ref_count[1]) {
+        sl->ref_count[0] = ref_count[0];
+        sl->ref_count[1] = ref_count[1];
+        sl->list_count   = list_count;
         return 1;
     }
 
@@ -1701,7 +1703,7 @@ again:
             if (err < 0 || err == SLICE_SKIPED) {
                 if (err < 0)
                     av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
-                h->ref_count[0] = h->ref_count[1] = h->list_count = 0;
+                sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
             } else if (err == SLICE_SINGLETHREAD) {
                 /* Slice could not be decoded in parallel mode, copy down
                  * NAL unit stuff to context 0 and restart. Note that
@@ -1875,7 +1877,7 @@ static int h264_decode_frame(AVCodecContext *avctx, void *data,
         if (avctx->flags2 & CODEC_FLAG2_CHUNKS)
             decode_postinit(h, 1);
 
-        ff_h264_field_end(h, 0);
+        ff_h264_field_end(h, &h->slice_ctx[0], 0);
 
         /* Wait for second field. */
         *got_frame = 0;