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-rw-r--r--libavcodec/mpeg12.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 83069f54cc..7a9b54a789 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -2456,8 +2456,9 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
s->slice_count = 0;
- if (avctx->extradata && !avctx->frame_number) {
+ if (avctx->extradata && !s->extradata_decoded) {
int ret = decode_chunks(avctx, picture, got_output, avctx->extradata, avctx->extradata_size);
+ s->extradata_decoded = 1;
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}