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Jun Zhao e700038990 lavf/dashdec: drop unnecessary check before ff_format_io_close 
ff_format_io_close will check the AVIOContext pointer pb, so drop
the unnecessary check before ff_format_io_close.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
 		2019-11-08 11:39:02 +08:00
compat compat/cuda: Change inclusion guards 2019-08-05 12:07:09 +02:00
doc avfilter/vf_dnn_processing: add a generic filter for image proccessing with dnn networks 2019-11-07 15:46:00 -03:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools fftools/ffmpeg_opt: Fix mixed declarations and code 2019-11-06 20:38:03 +01:00
libavcodec avcodec/extract_extradata_bsf: fix typo in comments 2019-11-06 20:38:03 +01:00
libavdevice avdevice/v4l2: Remove av_assert0 when format not supported 2019-11-06 20:38:03 +01:00
libavfilter avfilter/vf_dnn_processing: add a generic filter for image proccessing with dnn networks 2019-11-07 15:46:00 -03:00
libavformat lavf/dashdec: drop unnecessary check before ff_format_io_close 2019-11-08 11:39:02 +08:00
libavresample
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libavutil avcodec/mips: msa optimizations for vc1dsp 2019-10-30 18:09:00 +01:00
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/swscale_unscaled: fix gbrap10be md5 different on big endian system 2019-11-01 14:43:16 +01:00
presets
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tools tools/enum_options: replace the deprecated API 2019-11-04 23:27:50 +08:00
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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
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Changelog lavc/qsvenc: enable vp9 encoder 2019-11-03 16:45:35 +08:00
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LICENSE.md LICENSE: Add missing libraries that need --enable-version3. 2019-08-12 02:25:39 +02:00
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Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
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configure avfilter/vf_dnn_processing: add a generic filter for image proccessing with dnn networks 2019-11-07 15:46:00 -03:00

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.