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Andreas Rheinhardt 3044d0efee ffbuild/common: Make deletion of templates possible 
If a target to be built includes a template file, the target's .d file
includes the template file as a prerequisite; if the code were changed so
that the template file no longer exists, one would get an error from
make that it has no rule for the template file target. Therefore add a
dummy rule for template files to make deleting them possible.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2021-02-07 09:45:04 +01:00
compat All: update names in copyright headers 2021-01-20 01:02:56 -06:00
doc doc/general_contents: add few more entries 2021-02-07 00:01:12 +01:00
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools ffmpeg: add -fpsmax to clamp output framerate 2021-02-05 22:54:18 +05:30
libavcodec avcodec/xbm_parser: mark frame as intra only and as key frame 2021-02-05 15:49:13 +01:00
libavdevice avdevice/xcbgrab: don't assume xserver endianness 2021-02-06 11:42:12 -05:00
libavfilter avfilter/vf_deblock: add support for commands 2021-02-06 15:26:39 +01:00
libavformat avformat/img2dec: improve xbm probing 2021-02-05 22:37:34 +01:00
libavresample
libavutil libavutil/frame.h: correct typo for AVFilmGrainParams in comment 2021-01-27 13:13:47 +08:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample
libswscale lsws/ppc/yuv2rgb: Fix transparency converting from yuv->rgb32. 2021-01-24 17:17:29 +01:00
presets
tests avformat/mxf: add platform local tag 2021-02-05 09:27:06 +08:00
tools tools/target_dec_fuzzer: Adjust threshold for interplayacm 2021-02-04 23:34:29 +01:00
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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 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.