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James Almer 4eca8df8b8 avformat/movenc: support writing more than one STSD entry per track 
If a packet contains new extradata within a side data entry, save for
specific cases it means the coded stream changed. If ignored, upon
demuxing every packet from then onwards may be undecodable.

Signed-off-by: James Almer <jamrial@gmail.com>
2025-07-30 16:48:14 -03:00
.forgejo forgejo/workflows: use explicit token with issue write permission 2025-07-26 19:36:56 +02:00
compat compat/cuda: add device side printf function 2025-05-14 22:08:33 +02:00
doc lavu: add av_scanf_format() and use it on av_sscanf() 2025-07-22 01:35:01 +02:00
ffbuild ffbuild: correctly silence and tag new css/html steps 2025-05-28 01:02:55 +02:00
fftools fftools/cmdutils: Add av_freep() to avoid memory leak 2025-07-20 01:05:22 +02:00
libavcodec avcodec/cbs_apv_syntax_template: Check tile_data_size 2025-07-30 01:18:03 +02:00
libavdevice avdevice/android_camera: Set image linesize aligment to 1 2025-07-18 10:37:53 +08:00
libavfilter avfilter/af_afade: rework crossfade activate logic 2025-07-29 22:10:05 +02:00
libavformat avformat/movenc: support writing more than one STSD entry per track 2025-07-30 16:48:14 -03:00
libavutil avutil/hwcontext_amf: add device cache size 2025-07-29 23:38:08 +02:00
libswresample swresample/rematrix: Constify 2025-07-03 18:17:56 +02:00
libswscale swscale/lut3d: remove unused function 2025-07-22 19:56:34 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avformat/mov: export the correct initial extratada from samples with multiple stsd 2025-07-30 16:48:14 -03:00
tools tools/target_dec_fuzzer: Set ALS max order to 15 (ALS simple profile) 2025-07-28 17:27:52 +02:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore forgejo/workflows: add initial rudimentary CI 2025-07-22 20:06:20 +02:00
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Changelog Changelog: add entry for vf_colorfilter addition 2025-07-21 17:04:45 -03:00
configure configure: suppress Wmicrosoft-enum-forward-reference 2025-07-22 19:56:34 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md Add tools/merge-all-source-plugins 2025-05-15 12:17:04 +02:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself 2025-07-15 00:59:46 +02:00
Makefile Makefile: Split ALLFFLIBS 2025-05-26 20:33:10 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +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.