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Anton Khirnov 6b402cdbf4 lavfi/buffersink: allow av_buffersink_set_frame_size() to be called earlier 
The function currently writes directly into the input link, which
requires it to be called after the filter has been linked. However, the
documentation does not mention this restriction and the natural place to
call av_buffersink_set_frame_size() during the options-setting stage,
that is before filter init (and so before the input link exists).
2024-09-28 17:04:33 +02:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc doc/examples/transcode: switch to avcodec_get_supported_config() 2024-09-28 17:04:33 +02:00
ffbuild configure: Add detection of assembler support for SVE/SVE2 2024-09-27 00:03:04 +03:00
fftools fftools/ffmpeg_filter: stop using avfilter_graph_create_filter() incorrectly 2024-09-28 17:04:33 +02:00
libavcodec avcodec/amfenc: Add support for on-demand key frames 2024-09-28 16:01:39 +02:00
libavdevice avdevice/avfoundation: remove write-only variable 2024-09-26 00:17:24 +02:00
libavfilter lavfi/buffersink: allow av_buffersink_set_frame_size() to be called earlier 2024-09-28 17:04:33 +02:00
libavformat avformat/dump: don't print streams withing a group twice 2024-09-27 19:44:18 -03:00
libavutil libavutil: Fix building libavutil/tests/cpu for aarch64 without SVE 2024-09-27 09:02:10 +03:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswscale */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
presets
tests checkasm: Print the SVE vector length at startup 2024-09-27 00:06:55 +03:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +02:00
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Changelog Changelog: Add version <next> 2024-09-24 17:11:27 +02:00
configure configure: Silence Xcode warnings about duplicate libraries 2024-09-27 13:42:42 +03:00
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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.