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Martin Storsjö 3f266cf49e checkasm: arm: Don't use blx to call checkasm_fail_func 
We should just use a normal bl here, and the linker will add the 'x'
bit if necessary.

This fixes calling the checkasm_fail_func on windows, where the
code is built in thumb mode (and the linker doesn't clear the 'x'
bit in the blx instruction).

Signed-off-by: Martin Storsjö <martin@martin.st>
 		2020-05-15 21:22:32 +03:00
compat
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doc avfilter/vf_minterpolate: change the default threshold to get better scene change detect result 2020-05-14 23:03:07 +08:00
ffbuild
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fftools fftools/ffmpeg: use local variable with same contents directly 2020-05-06 23:02:00 +08:00
libavcodec avcodec/nvenc: use framerate if available 2020-05-15 00:44:31 +02:00
libavdevice avdevice/v4l2enc: Allow writing non-rawvideos to v4l2. 2020-05-09 15:44:43 +01:00
libavfilter Revert "avfilter/vf_framerate: if metadata lavfi.scd.mafd exists, we'll use it first" 2020-05-15 18:35:51 +02:00
libavformat avformat/mpegtsenc: Remove two duplicated fields 2020-05-14 09:53:59 -04:00
libavresample
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libavutil aarch64: Explicitly forbid using the x18 register 2020-05-15 21:22:22 +03:00
libpostproc
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libswresample
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libswscale swscale: fix NEON hscale init 2020-05-15 10:29:30 +01:00
presets
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tests checkasm: arm: Don't use blx to call checkasm_fail_func 2020-05-15 21:22:32 +03:00
tools tools/target_dec_fuzzer: Adjust threshold for PNG and APNG 2020-05-10 01:09:13 +02:00
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Changelog avfilter/vf_scdet: add filter to detect scene change 2020-05-14 23:03:06 +08:00
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MAINTAINERS MAINTAINERS: Add myself to libopenh264enc 2020-05-06 19:12:00 +02:00
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configure avfilter/vf_scdet: add filter to detect scene change 2020-05-14 23:03:06 +08:00

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.