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Andreas Rheinhardt 24a64e0462 lavf/webm_chunk: Correct duration if start time > 0 
Up until now, it was simply presumed that the first packet had a pts of
zero; otherwise the duration of the first chunk was wrong.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2019-07-12 14:59:58 +02:00
compat compat/cuda/ptx2c: don't drop final newline 2019-05-24 19:23:39 +02:00
doc avfilter/avf_showfreqs: make selecting window size simpler 2019-07-10 16:03:34 +02:00
ffbuild
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fftools ffmpeg_opt: Respect default disposition when select audio/video 2019-07-03 10:33:44 +08:00
libavcodec avcodec/magicyuv: add support for recently added YUV444P10 2019-07-11 16:53:09 +02:00
libavdevice lavd/avfoundation: Set correct default value 0 for option capture_raw_data. 2019-07-08 20:02:41 +02:00
libavfilter avfilter/avf_showfreqs: make selecting window size simpler 2019-07-10 16:03:34 +02:00
libavformat lavf/webm_chunk: Correct duration if start time > 0 2019-07-12 14:59:58 +02:00
libavresample
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libavutil avutil/hwcontext_vaapi: move kernel_driver into CONFIG_LIBDRM 2019-07-11 09:34:57 +08:00
libpostproc
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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
presets
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tests fate: add hls_list_size fate test case 2019-07-11 09:39:44 +08:00
tools tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.gitattributes
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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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CONTRIBUTING.md
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COPYING.GPLv2
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CREDITS
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Changelog avfilter: add deesser audio filter 2019-07-02 19:02:54 +02:00
INSTALL.md
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LICENSE.md
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MAINTAINERS
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Makefile tools: Add fuzzer for demuxers 2019-05-31 22:44:30 +02:00
README.md
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RELEASE
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configure avutil/mips: optimize UNPCK&SAD macros with MSA2.0 instruction. 2019-07-10 12:54:57 +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.