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-rw-r--r--libavcodec/h263dec.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 4e8ff5d..3967ff2 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -452,6 +452,15 @@ retry:
if (ret < 0){
av_log(s->avctx, AV_LOG_ERROR, "header damaged\n");
return -1;
+ } else if ((s->width != avctx->coded_width ||
+ s->height != avctx->coded_height ||
+ (s->width + 15) >> 4 != s->mb_width ||
+ (s->height + 15) >> 4 != s->mb_height) &&
+ (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))) {
+ av_log_missing_feature(s->avctx, "Width/height/bit depth/chroma idc changing with threads is", 0);
+ s->width = avctx->coded_width;
+ s->height= avctx->coded_height;
+ return AVERROR_PATCHWELCOME; // width / height changed during parallelized decoding
}
avctx->has_b_frames= !s->low_delay;
@@ -592,13 +601,6 @@ retry:
/* H.263 could change picture size any time */
ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
- if (HAVE_THREADS && (s->avctx->active_thread_type&FF_THREAD_FRAME)) {
- av_log_missing_feature(s->avctx, "Width/height/bit depth/chroma idc changing with threads is", 0);
- s->width = avctx->coded_width;
- s->height= avctx->coded_height;
- return -1; // width / height changed during parallelized decoding
- }
-
s->parse_context.buffer=0;
ff_MPV_common_end(s);
s->parse_context= pc;
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