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Andriy Gelman 4c1a3e9166 avcodec/v4l2_m2m: Simplify capture buffer init check 
Before this commit s->avctx == NULL was used to infer that an encoder is
being initialzed. Code readability has been improved by directly using
!av_codec_is_decoder() instead.

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
 		2020-02-01 21:39:05 +00:00
compat avutil/thread: Add pthread_cond_timedwait function 2020-01-21 22:34:15 +01:00
doc avfilter/vf_geq: use per-thread AVExpr for expression evaluation 2020-01-31 22:47:49 +01:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:08:08 +02:00
fftools cmdutils: fix crash if no name for "ffmpeg -h protocol" 2020-01-30 12:50:22 -03:00
libavcodec avcodec/v4l2_m2m: Simplify capture buffer init check 2020-02-01 21:39:05 +00:00
libavdevice avdevice/xcbgrab: check if frame size fits in INT_MAX 2020-01-24 01:17:14 +01:00
libavfilter avfilter/vf_xfade: remove unused header 2020-02-01 22:06:11 +01:00
libavformat avformat/hlsenc: fix hls_ts_options with mpegts 2020-01-31 22:49:55 +01:00
libavresample
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libavutil avutil/common: warn about possible move of the data pointer after the last 0 byte in GET_UTF8 2020-01-31 00:15:13 +01:00
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 swscale/input: Fix several invalid shifts related to rgb2yuv constants 2020-01-22 21:50:49 +01:00
presets
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Changelog avfilter: add xfade filter 2020-01-30 16:35:33 +01:00
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README.md
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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.