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James Almer 84357c09ef avcodec/x86/pngdsp: add missing emms at the end of add_png_paeth_prediction 
Fixes unpredictable behavior with floats.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 57a29f2e7d)
 		2025-09-15 23:48:56 -03:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:11:48 +02:00
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fftools fftools/ffmpeg: Check read() for failure 2024-07-21 18:55:37 +02:00
libavcodec avcodec/x86/pngdsp: add missing emms at the end of add_png_paeth_prediction 2025-09-15 23:48:56 -03:00
libavdevice configure: improve check for POSIX ioctl 2024-09-01 21:07:24 -04:00
libavfilter avfilter/buffersrc: check for valid sample rate 2025-05-16 18:59:57 +02:00
libavformat avformat/mov: reject negative ELST durations 2025-05-16 19:00:01 +02:00
libavresample
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libswresample Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswscale swscale/output: Fix integer overflow in yuv2gbrp_full_X_c() 2025-05-16 18:59:58 +02:00
presets
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tests fate/subtitles: Ignore line endings for sub-scc test 2024-04-14 22:12:50 +02:00
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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 a mean to alter decoded Audio and Video through chain of 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.