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-rw-r--r--libavcodec/mpegvideo.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index d4d3bea649..dbb6ab9b39 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -538,6 +538,8 @@ int ff_mpeg_update_thread_context(AVCodecContext *dst,
s->avctx->width = s1->avctx->width;
s->avctx->height = s1->avctx->height;
+ s->quarter_sample = s1->quarter_sample;
+
s->coded_picture_number = s1->coded_picture_number;
s->picture_number = s1->picture_number;