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Andreas Rheinhardt 9d8f9b2e40 swresample/audioconvert: Fix left shift of negative value 
Fixes ticket #8219.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-09-30 10:50:45 +02:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc lavu/buffer: add a convenience function for replacing buffers 2020-09-28 11:33:35 +02:00
ffbuild ffbuild: Refine MIPS handling 2020-07-23 16:30:02 +02:00
fftools fftools/ffprobe: use av_timecode_make_smpte_tc_string2 2020-09-13 17:51:57 +02:00
libavcodec avcodec/av1dec: call ff_cbs_flush() on decoder flush 2020-09-29 21:38:27 -03:00
libavdevice avdevice/lavfi: av_malloc -> av_malloc_array 2020-09-21 09:30:55 +08:00
libavfilter avfilter/vf_v360: stop using floats variables in xyz_to_octahedron 2020-09-30 00:09:22 +02:00
libavformat avformat/movenc: Fix segfault upon allocation error 2020-09-28 20:41:20 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil lavu/buffer: add a convenience function for replacing buffers 2020-09-28 11:33:35 +02:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale swscale/x86/output: add missing AVX2 support preprocessor wrappers 2020-08-20 15:14:56 -03:00
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Changelog avcodec: add Argonaut Games Video decoder 2020-09-27 09:56:13 +02:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
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Makefile tools:target_dem_fuzzer: Split into a fuzzer fuzzing at the protocol level and one fuzzing a fixed demuxer input 2020-09-13 10:40:02 +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.