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Jun Zhao b63df9b527 doc/encoders: Document eld_v2 option for libfdk_aac encoder. 
Document eld_v2 option for libfdk_aac encoder.

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
 		2019-05-28 09:12:17 +08:00
compat compat/cuda/ptx2c: don't drop final newline 2019-05-24 19:23:39 +02:00
doc doc/encoders: Document eld_v2 option for libfdk_aac encoder. 2019-05-28 09:12:17 +08:00
ffbuild Merge commit '7e5bde93a1e7641e1622814dafac0be3f413d79b' 2019-03-10 19:31:13 -03:00
fftools fftools/ffprobe: Add S12M Timecode output as side data (such as SEI TC) 2019-05-27 00:28:34 +02:00
libavcodec avcodec/diracdec: Check for arith decoder errors in dirac_unpack_block_motion_data() 2019-05-27 19:01:38 +02:00
libavdevice libavdevice/gdigrab: fix ffmpeg -devices doesn't show gdigrab 2019-05-17 21:51:20 +08:00
libavfilter avfilter/avf_showvolume: switch to activate 2019-05-27 18:44:19 +02:00
libavformat avformat/mp3enc: Avoid SEEK_END as it is unsupported 2019-05-27 19:01:38 +02:00
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libavutil avutil/tx: should check against (*ctx) 2019-05-16 18:25:31 -03:00
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libswresample swresample/swresample: check for invalid sample rates 2019-05-26 14:43:32 +02:00
libswscale swscale/tests/swscale: Lengthen pixfmt name buffer to 21 bytes 2019-05-13 13:39:49 +02:00
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Changelog avfilter: add asr filter 2019-05-14 15:17:14 +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.