[FFmpeg-devel] [PATCH] lavf/apngdec: use AVStream.time_base instead of r_frame_rate
James Almer
jamrial at gmail.com
Tue Nov 25 18:56:07 CET 2014
Should fix framedrops on some apng files
Signed-off-by: James Almer <jamrial at gmail.com>
---
This is still not optimal because the value of time_base will be updated on every frame,
and in some cases delay_num and delay_den varies between frames.
Better fix welcome.
libavformat/apngdec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index d766a87..47d3753 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -265,8 +265,8 @@ static int decode_fctl_chunk(AVFormatContext *s, APNGDemuxContext *ctx, AVPacket
delay_num = 1;
delay_den = ctx->default_fps;
}
- s->streams[0]->r_frame_rate.num = delay_den;
- s->streams[0]->r_frame_rate.den = delay_num;
+ s->streams[0]->time_base.num = delay_num;
+ s->streams[0]->time_base.den = delay_den;
pkt->duration = 1;
av_log(s, AV_LOG_DEBUG, "%s: "
--
2.1.3
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