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Kacper Michajłow acf92ba7ab
avformat/lrcdec: support arbitrary precision timestamp 
Apparently files with milliseconds exist in the wild. And since it cost
nothing to support arbitrary number of digits, extend format to support
that.

Depending on number of digits, the time base of fractional part is
changing. Most LRCs use 2 digits and centiseconds base, but subs with 3
digits and miliseconds exist too.

Set internal time base to AV_TIME_BASE, which in parcitice allows to
hold microseconds with 6 digits. Totally artificial, but who knows maybe
someone wants that.

Fixes: #11677

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
(cherry picked from commit bc3cc0a6af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 23:10:31 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc examples: Add av_freep to avoid potential memory leak 2025-08-04 18:51:46 +02:00
ffbuild makefile: Clean up missed object files with "make clean" 2024-03-10 23:45:51 +02:00
fftools fftools/cmdutils: don't try to load arguments from file if not needed 2025-08-04 18:51:37 +02:00
libavcodec avcodec/ffv1dec: Disable frame threading due to race condition 2025-08-04 22:40:12 +02:00
libavdevice avdevice/dshow: Initialize 2 pointers 2025-02-27 01:41:40 +01:00
libavfilter avfilter/avfilter: fix forwarding EOF for simple API filters in filter_activate_default 2025-08-04 18:51:37 +02:00
libavformat avformat/lrcdec: support arbitrary precision timestamp 2025-08-04 23:10:31 +02:00
libavutil avutil/avstring: dont mess with NULL pointers in av_match_list() 2025-02-27 01:42:14 +01:00
libpostproc libpostproc: check minimum size 2025-08-04 18:51:28 +02:00
libswresample Bump prior release/7.0 branch 2024-03-27 01:04:53 +01:00
libswscale swscale/swscale_unscaled: don't add offsets to NULL pointers 2025-08-04 18:51:39 +02:00
presets
tests avformat/movenc: fix writing reserved bits in EC3SpecificBox 2025-08-04 18:51:33 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for EACMV 2025-02-27 01:42:06 +01:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap .mailmap: Update my mailmap entry 2024-02-23 00:17:21 +01:00
.travis.yml
Changelog Changelog: update 2025-08-04 22:40:12 +02:00
configure configure: Clearer documentation for "disable-safe-bitstream-reader" 2025-08-04 18:51:25 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2025-02-27 01:41:58 +01:00
LICENSE.md
MAINTAINERS MAINTAINERS: Add Timo Rothenpieler to server admins 2024-07-25 20:34:15 +02:00
Makefile tools: Add target_sws_fuzzer.c 2024-02-21 18:24:17 +01:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE update for 7.0.3 2025-02-27 01:45:06 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2024-04-05 00:31:10 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.