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From: Michael Niedermayer <michael@niedermayer.cc>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [FFmpeg-cvslog] fftools/sync_queue: use timebase from input frames/packets
Date: Mon, 10 Apr 2023 21:01:40 +0200
Message-ID: <20230410190140.GM1109483@pb2> (raw)
In-Reply-To: <20230409135009.BE4F3410865@natalya.videolan.org>


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On Sun, Apr 09, 2023 at 01:50:08PM +0000, Anton Khirnov wrote:
> ffmpeg | branch: master | Anton Khirnov <anton@khirnov.net> | Tue Mar 21 12:36:03 2023 +0100| [090950f8327c01b1775615b1da723dc6cc8a30a0] | committer: Anton Khirnov
> 
> fftools/sync_queue: use timebase from input frames/packets
> 
> They are always properly set now. Avoid a separate timebase-setting
> call, which duplicates the knowledge of the timebase being used.

This looses bitrate information in some cases

./ffmpeg -analyzeduration 1M -y -i ~/videos/mm-short.mpg -vcodec copy -aspect 16:9 -vframes 3 tmp.avi
./ffprobe tmp.avi

Stream #0:0: Video: mpeg2video (Main) (mpg2 / 0x3267706D), yuv420p(tv, bt470bg/bt470m/bt470m, bottom first), 720x576 [SAR 16:15 DAR 4:3], 8061 kb/s, SAR 64:45 DAR 16:9, 50 fps, 50 tbr, 50 tbn
vs.
Stream #0:0: Video: mpeg2video (Main) (mpg2 / 0x3267706D), yuv420p(tv, bt470bg/bt470m/bt470m, bottom first), 720x576 [SAR 16:15 DAR 4:3], SAR 64:45 DAR 16:9, 50 fps, 50 tbr, 50 tbn


[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The real ebay dictionary, page 1
"Used only once"    - "Some unspecified defect prevented a second use"
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       reply	other threads:[~2023-04-10 19:01 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20230409135009.BE4F3410865@natalya.videolan.org>
2023-04-10 19:01 ` Michael Niedermayer [this message]
2023-04-12  8:06   ` Anton Khirnov
2023-04-12  8:41     ` Michael Niedermayer
2023-04-12  8:44       ` Michael Niedermayer
2023-04-12 10:26       ` Anton Khirnov

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