If the dummy frame are not created from a reference frame they could
be deleted untimely resulting in multithreaded decoder waiting on
the current frame to finish.
Noticed by Ronald S. Bultje in the RV34 decoder with a broken file.
---
libavcodec/mpegvideo.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 8be596b..f1e11cd 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -1271,6 +1271,7 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext
*avctx)
return -1;
ff_thread_report_progress(&s->last_picture_ptr->f, INT_MAX, 0);
ff_thread_report_progress(&s->last_picture_ptr->f, INT_MAX, 1);
+ s->last_picture_ptr->f.reference = 3;
}
if ((s->next_picture_ptr == NULL ||
s->next_picture_ptr->f.data[0] == NULL) &&
@@ -1282,6 +1283,7 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext
*avctx)
return -1;
ff_thread_report_progress(&s->next_picture_ptr->f, INT_MAX, 0);
ff_thread_report_progress(&s->next_picture_ptr->f, INT_MAX, 1);
+ s->next_picture_ptr->f.reference = 3;
}
}
--
1.7.8.5
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