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FFmpeg git repo
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Andreas Rheinhardt 1df13b3891 avformat/matroskaenc: Don't pretend to be able to mux RV30 
The demuxer uses a extradata offset of 26, so we would need
to recreate the missing 26 bytes somehow in the muxer, but
we just don't. Remuxed files (like real/rv30.rm from the FATE-suite)
don't work due to missing extradata.

(The extradata offset also applies to RV40 and the extradata
is indeed lost upon remuxing, yet remuxing real/spygames-2MB.rmvb
works; our RV40 decoder does not use extradata at all.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2023-08-10 08:37:01 +02:00
compat w32pthreads: Fix function signature mismatches for CreateThread 2023-08-04 21:51:20 +03:00
doc lavc/libx264: add mb_info option 2023-08-08 10:06:38 +02:00
ffbuild
fftools fftools/ffprobe: Use proper enum type 2023-08-08 20:20:36 +02:00
libavcodec avcodec/on2avc: use correct fft sizes 2023-08-08 18:33:21 +02:00
libavdevice avdevice/pulse_audio_common: Avoid inclusion of avcodec.h 2023-08-05 09:40:06 +02:00
libavfilter avfilter/af_vibrato: refactor code 2023-08-08 17:45:32 +02:00
libavformat avformat/matroskaenc: Don't pretend to be able to mux RV30 2023-08-10 08:37:01 +02:00
libavutil lavu: add video_hint API 2023-08-08 09:46:11 +02:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample libswresample: Prevent out of bounds. 2023-08-02 17:31:13 +02:00
libswscale swscale/rgb2rgb2: rework RISC-V V shuffle_bytes_{1230,3012} 2023-07-21 22:18:02 +03:00
presets
tests fate/matroska: Add ALAC remux test 2023-08-10 08:36:47 +02:00
tools tools/target_bsf_fuzzer: fix some filter names 2023-06-29 22:44:11 -03:00
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Changelog lavc/libx264: add mb_info option 2023-08-08 10:06:38 +02:00
configure configure: use just the pkg-config for sndio 2023-08-07 22:31:06 +02:00
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README.md
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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.