[FFmpeg-trac] #9459(avfilter:new): w3fdif inserting extraneous frame (at beginning?) when selective deinterlacing all-progressive input
FFmpeg
trac at avcodec.org
Mon Oct 18 02:59:16 EEST 2021
#9459: w3fdif inserting extraneous frame (at beginning?) when selective
deinterlacing all-progressive input
----------------------------------+--------------------------------------
Reporter: Tim | Type: defect
Status: new | Priority: normal
Component: avfilter | Version: git-master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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ffmpeg -i sample.mkv -vcodec prores -vf yadif=deint=interlaced -y
yadif.mkv
{{{
frame= 34 fps=0.0 q=-0.0 Lsize= 144kB time=00:00:01.38 bitrate=
850.5kbits/s speed=31.6x
}}}
ffmpeg -i sample.mkv -vcodec prores -vf w3fdif=deint=interlaced -y
w3fdif.mkv
{{{
frame= 35 fps=0.0 q=-0.0 Lsize= 148kB time=00:00:01.38 bitrate=
875.4kbits/s speed=33.3x
}}}
mkvinfo -v w3fdif.mkv | grep timestamp
{{{
| + Cluster timestamp: 00:00:00.000000000
| + Simple block: key, track number 1, 1 frame(s), timestamp
00:00:00.000000000
| + Cluster timestamp: 00:00:00.017000000
| + Simple block: key, track number 1, 1 frame(s), timestamp
00:00:00.017000000 <-- extra frame here???
| + Cluster timestamp: 00:00:00.050000000
| + Simple block: key, track number 1, 1 frame(s), timestamp
00:00:00.050000000
}}}
mkvinfo -v yadif.mkv | grep timestamp
{{{
| + Cluster timestamp: 00:00:00.000000000
| + Simple block: key, track number 1, 1 frame(s), timestamp
00:00:00.000000000
| + Cluster timestamp: 00:00:00.050000000
| + Simple block: key, track number 1, 1 frame(s), timestamp
00:00:00.050000000
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9459>
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