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Andreas Rheinhardt 0ccb31f135 h264_mp4toannexb: Switch to GetByteContext to read extradata 
This is done in order to improve readability. No functional change is
intended with this commit at all; in particular, the unsafe read
functions are used throughout as h264_extradata_to_annexb already
performs its own checks. (These checks will nevertheless be improved
in further commits.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-03-06 00:58:31 +01:00
compat compat/os2threads: define INCL_DOSERRORS 2020-02-15 18:25:51 +01:00
doc doc/filters: add missed framesync part in filter docs 2020-03-05 14:09:10 +08:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools ffmpeg: remove superfluous custom cuvid hwaccel 2020-03-03 18:11:28 -03:00
libavcodec h264_mp4toannexb: Switch to GetByteContext to read extradata 2020-03-06 00:58:31 +01:00
libavdevice avdevice/decklink: add support for SDK version 11.5 2020-02-26 21:32:56 +01:00
libavfilter avfilter/f_sendcmd: implement expr flag 2020-03-03 20:38:56 +01:00
libavformat lavf/dashdec: add 3GPP TS26.247 probe in dash demuxer 2020-03-05 14:15:41 +08:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil hwcontext_vaapi: Only accept a render node when deriving from DRM device 2020-02-24 00:09:51 +00:00
libpostproc Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale libswscale/x86/yuv2rgb: Fix Segmentation Fault when load unaligned data 2020-02-26 11:10:46 +01:00
presets
tests avformat/mxfenc: use a zero based continuity counter 2020-03-02 22:01:47 +01:00
tools tools/target_dec_fuzzer: limit per frame samples for APE 2020-01-30 19:59:10 +01:00
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.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: Add another old mail address I used. 2020-02-27 13:02:06 +01:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avfilter: add Contrast Adaptive Sharpen video filter 2020-02-24 11:57:25 +01:00
configure configure: Enable section_data_rel_ro for OpenBSD aarch64 / arm 2020-02-25 19:57:16 +01:00
CONTRIBUTING.md
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CREDITS
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
MAINTAINERS MAINTAINERS: Add myself as libzmq maintainer 2020-02-15 18:25:51 +01:00
Makefile tools: add a fuzzer tool for bitstream filters 2019-12-05 20:49:15 -03:00
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

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.