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Michael Niedermayer e6304a83a2
Update for 3.4.14 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-11 22:23:23 +01:00
compat compat/cuda/ptx2c: strip CR from each line 2017-08-30 11:20:34 +02:00
doc Update for 3.4.14 2025-03-11 22:23:23 +01:00
ffbuild ffbuild: Avoid using the --preprocessor argument to windres 2025-02-27 09:02:21 -05:00
fftools fftools/ffmpeg: Check read() for failure 2025-03-11 19:47:52 +01:00
libavcodec avcodec/h263dec: Check against previous dimensions instead of coded 2025-03-11 22:23:22 +01:00
libavdevice avdevice/dshow: Check device_filter_unique_name before use 2025-03-11 19:48:03 +01:00
libavfilter avfilter/bwdif: account for chroma sub-sampling in min size calculation 2025-03-11 22:23:23 +01:00
libavformat avformat/iff: Check that we have a stream in read_dst_frame() 2025-03-11 22:23:22 +01:00
libavresample Bump minor versions for branching 3.4 2017-10-11 01:23:47 +02:00
libavutil avutil/avstring: dont mess with NULL pointers in av_match_list() 2025-03-11 19:48:30 +01:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2019-03-24 10:38:51 +01:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-10-28 02:22:42 +02:00
libswscale swscale/output: Fix undefined overflow in yuv2rgba64_full_X_c_template() 2025-03-11 19:48:28 +01:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests fate/subtitles: Ignore line endings for sub-scc test 2024-04-14 03:25:15 +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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.