From: Anton Khirnov <anton@khirnov.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 30/36] fftools/ffmpeg_dec: deobfuscate subtitle decoding
Date: Thu, 18 May 2023 16:34:42 +0200
Message-ID: <168442048296.3843.10603160581459293022@lain.khirnov.net> (raw)
In-Reply-To: <20230517201537.GZ1391451@pb2>
Quoting Michael Niedermayer (2023-05-17 22:15:37)
> On Wed, May 17, 2023 at 12:20:23PM +0200, Anton Khirnov wrote:
> > It is currently handled in the same loop as audio and video, but this
> > obscures the actual flow, because only one iteration is ever performed
> > for subtitles.
> >
> > Also, avoid a pointless packet reference.
> > ---
> > fftools/ffmpeg_dec.c | 34 ++++++++++++++++++----------------
> > 1 file changed, 18 insertions(+), 16 deletions(-)
>
> The following results in a really large file now: (i stoped it so maybe infinite loop)
> ./ffmpeg -f lavfi -i "movie=tickets/1332/Starship_Troopers.vob[out0+subcc]" -vn -map s -y eia608.srt
This was a bug in ccaption decoder, fixed by Paul in c48eff209c.
--
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:[~2023-05-18 14:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-17 10:19 [FFmpeg-devel] [PATCH 01/36] fftools/ffmpeg: shorten a variable name Anton Khirnov
2023-05-17 10:19 ` [FFmpeg-devel] [PATCH 02/36] fftools/ffmpeg: drop a useless local variable Anton Khirnov
2023-05-17 10:19 ` [FFmpeg-devel] [PATCH 03/36] fftools/ffmpeg: replace stream timebase with decoded frame one Anton Khirnov
2023-05-17 10:19 ` [FFmpeg-devel] [PATCH 04/36] fftools/ffmpeg_filter: convert input frame timestamps Anton Khirnov
2023-05-17 10:19 ` [FFmpeg-devel] [PATCH 05/36] fftools/ffmpeg_filter: make sure pkt_duration matches duration Anton Khirnov
2023-05-17 10:19 ` [FFmpeg-devel] [PATCH 06/36] fftools/ffmpeg: rework applying input -r Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 07/36] tests/fate/ffmpeg: move a misplaced line Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 08/36] tests/fate/ffmpeg: add a test for input -r option Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 09/36] fftools/ffmpeg_filter: split finding an unused stream into a function Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 10/36] fftools/ffmpeg: return error codes from ist_*_add() Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 11/36] fftools/ffmpeg_demux: disallow using disabled input streams Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 12/36] fftools/ffmpeg_filter: only use fallback parameters when necessary Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 13/36] fftools/ffmpeg_filter: try configuring graphs from input EOF Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 14/36] fftools/ffmpeg: move ifilter_has_all_input_formats() to ffmpeg_filter Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 15/36] fftools/ffmpeg_filter: make input filter configured parameters private Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 16/36] fftools/ffmpeg_filter: drop a redundant error message Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 17/36] fftools/ffmpeg_filter: move InputFilter.ist to private data Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 18/36] fftools/ffmpeg_filter: move InputFilter.type " Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 19/36] fftools/ffmpeg_filter: keep track of the real filter input type Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 20/36] fftools/ffmpeg_filter: embed displaymatrix into private context Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 21/36] fftools/cmdutils: constify the argument of get_rotation() Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 22/36] fftools/ffmpeg: drop an obsolete hack Anton Khirnov
2023-05-26 6:22 ` Wang, Fei W
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 23/36] fftools/ffmpeg: eliminate InputStream.got_output Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 24/36] fftools/ffmpeg: replace an unreachable return with av_assert0(0) Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 25/36] fftools/ffmpeg: deobfuscate check_decode_result() call Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 26/36] fftools/ffmpeg: rework handling -max_error_rate Anton Khirnov
2023-05-18 6:19 ` [FFmpeg-devel] [PATCH] " Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 27/36] fftools/ffmpeg: move a block to a more appropriate place Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 28/36] fftools/ffmpeg: split decoding loop out of process_input_packet() Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 29/36] fftools/ffmpeg: move decoding code to ffmpeg_dec Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 30/36] fftools/ffmpeg_dec: deobfuscate subtitle decoding Anton Khirnov
2023-05-17 20:15 ` Michael Niedermayer
2023-05-18 14:34 ` Anton Khirnov [this message]
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 31/36] fftools/ffmpeg_dec: restructure audio/video decoding loop Anton Khirnov
2023-05-17 20:04 ` Michael Niedermayer
2023-05-17 20:06 ` Michael Niedermayer
2023-05-18 6:41 ` Anton Khirnov
2023-05-18 6:36 ` [FFmpeg-devel] [PATCH] " Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 32/36] fftools/ffmpeg: reindent after previous commit Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 33/36] fftools/ffmpeg_dec: merge check_decode_result() into its callers Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 34/36] fftools/ffmpeg_dec: deduplicate code in decode_audio/video() Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 35/36] fftools/ffmpeg_dec: inline decode_audio() into dec_packet() Anton Khirnov
2023-05-17 10:20 ` [FFmpeg-devel] [PATCH 36/36] fftools/ffmpeg_dec: rename decode_video() to video_frame_process() 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=168442048296.3843.10603160581459293022@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