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Raphaël Zumer d3807467b2 avformat/ivfenc: Change the length fields to 32 bits
There is no change in the encoded bitstream, but this
ensures that the written field length is consistent
with the reference implementation.

Unused bytes are zeroed out for backwards compatibility.

Signed-off-by: Raphaël Zumer <rzumer@tebako.net>
2019-10-08 21:44:41 -04:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avfilter/af_anlms: add support for commands 2019-10-08 11:54:21 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools cmdutils: trailing options may be ignored 2019-10-01 10:43:37 -08:00
libavcodec avcodec/dxv: Subtract 12 earlier in dxv_decompress_cocg() 2019-10-08 16:24:58 +02:00
libavdevice libavdevice: Update the class name as uniform style 2019-08-15 09:29:55 +08:00
libavfilter avfilter/formats: remove unnecessary unreference 2019-10-08 17:51:10 +02:00
libavformat avformat/ivfenc: Change the length fields to 32 bits 2019-10-08 21:44:41 -04:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/avstring: support input path as a null pointer or empty string 2019-10-08 14:12:43 +08:00
libpostproc Bump minor versions again on master to keep 4.2 versions separate from master 2019-07-21 18:36:31 +02:00
libswresample swresample/audioconvert: fix invalid left shift for 64bit sample format 2019-09-26 16:22:47 +02:00
libswscale swscale: Fix AltiVec/VSX build with recent GCC 2019-10-04 08:58:17 +03:00
presets
tests avcodec/flac_parser: Fix off-by-one error 2019-10-07 22:27:18 +02:00
tools tools/target_dec_fuzzer: Adjust VP7 threshold 2019-09-29 22:18:58 +02:00
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configure configure: check for a sufficiently recent enough AMF version 2019-09-09 09:56:12 +02:00
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MAINTAINERS MAINTAINERS: add myself to OMX 2019-08-23 17:07:05 -07:00
Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00

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.