[FFmpeg-devel] Contract offer for implementing decoding functionality for interlaced AVCHD (5000 Euro + optional 1000 Euro Bonus)

Michael Niedermayer michaelni
Sun Jun 8 22:38:03 CEST 2008


On Sun, Jun 08, 2008 at 10:07:48PM +0200, Reimar D?ffinger wrote:
> Hello,
> On Sun, Jun 08, 2008 at 09:14:59PM +0200, Michael Niedermayer wrote:
> > Please copy and paste the timestamps lavf outputs here if you think there
> > are just a few AV_NOPTS_VALUE in them.
> 
> This is a snippet of what
> ffmpeg -v 2 -dump -i sony-hdr-cx-6-avchd-1080i-9-seconds.mts -ac 2 -acodec mp2 -vcodec mpeg4 -f avi test.avi
> outputs (only the video stream parts, audio did not look
> "interesting" to me):
> 
> stream #0:
>   keyframe=1
>   duration=0.004
>   dts=0.101  pts=0.108
>   size=11499
> stream #0:
>   keyframe=1
>   duration=0.004
>   dts=0.108  pts=N/A
>   size=11214
> stream #0:
>   keyframe=1
>   duration=0.004
>   dts=0.112  pts=0.104

pts before dts -> wrong


>   size=13908
> stream #0:
>   keyframe=1
>   duration=0.004
>   dts=0.104  pts=N/A
        ^^^^^
non momotone dts -> wrong

I suggest you || 1 the FF_DEBUG_PTS lines in utils.c, these will show the
timestamps from the muxer and the nonsense lavf fills in between.


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Democracy is the form of government in which you can choose your dictator
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