From: Anton Khirnov <anton@khirnov.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 7/9] fftools/ffmpeg_dec: disregard demuxer timestamps for NOTIMESTAMPS formats
Date: Mon, 02 Oct 2023 10:59:09 +0200
Message-ID: <169623714943.6638.4265377275006475287@lain.khirnov.net> (raw)
In-Reply-To: <AS8P250MB07440DA416BDB0FC2B9359438FC6A@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM>
Quoting Andreas Rheinhardt (2023-10-01 15:18:30)
> Anton Khirnov:
> > In this case any timestamps are guessed by compute_pkt_fields() in
> > libavformat. Since we are decoding the stream, we have more accurate
> > information from the decoder and do not need any guesses.
> >
> > Eliminates spurious PTS gaps in a number of FATE tests.
> >
> > Also avoids dropping the majority of frames in fate-dirac*
>
> Why did that happen?
lavf generated timestamps that were consecutive integers with a timebase
of 1/1200000
--
Anton Khirnov
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next prev parent reply other threads:[~2023-10-02 8:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-01 12:55 [FFmpeg-devel] [PATCH 1/9] lavfi/yadif: update output frame durations Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 2/9] lavf/demux: restrict video parser duration handling to just GIF Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 3/9] lavf/gifdec: do not mark as notimestamps Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 4/9] lavc/mpegvideo_parser: reduce variable scopes Anton Khirnov
2023-10-01 20:28 ` Michael Niedermayer
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 5/9] lavc/mpegvideo_parser: improve exporting field-coding information Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 6/9] lavc/mpeg4videodec: do not invent a framerate from guessed numbers Anton Khirnov
2023-10-01 13:14 ` Andreas Rheinhardt
2023-10-02 8:56 ` Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 7/9] fftools/ffmpeg_dec: disregard demuxer timestamps for NOTIMESTAMPS formats Anton Khirnov
2023-10-01 13:18 ` Andreas Rheinhardt
2023-10-02 8:59 ` Anton Khirnov [this message]
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 8/9] fftools/ffmpeg_enc: do not round frame durations prematurely Anton Khirnov
2023-10-01 12:55 ` [FFmpeg-devel] [PATCH 9/9] fftools/ffmpeg: move derivation of frame duration from filter framerate Anton Khirnov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=169623714943.6638.4265377275006475287@lain.khirnov.net \
--to=anton@khirnov.net \
--cc=ffmpeg-devel@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git