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FFmpeg git repo
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wm4 a755b725ec avcodec: consider an error during decoder draining as EOF 
There is no reason that draining couldn't return an error or two. But
some decoders don't handle this very well, and might always return an
error. This can lead to API users getting into an infinite loop and
burning CPU, because no progress is made and EOF is never returned.

In fact, ffmpeg.c contains a hack against such a case. It is made
unnecessary with this commit, and removed with the next one. (This
particular error case seems to have been fixed since the hack was
added, though.)

This might lose frames if decoding returns errors during draining.
 		2017-03-06 11:06:09 +01:00
compat compat/cuda: fix ulong size on cygwin 2017-03-01 12:08:34 +01:00
doc doc/encoders: mention valid values for compression_level when using FLAC encoder 2017-03-03 13:49:26 -03:00
libavcodec avcodec: consider an error during decoder draining as EOF 2017-03-06 11:06:09 +01:00
libavdevice avdevice/decklink_dec: remove AVFMT_RAWPICTURE 2017-02-26 22:47:33 +01:00
libavfilter avfilter/aeval: trim last frame's number of samples to match requested duration 2017-02-25 19:53:14 +01:00
libavformat avformat/vivo: fix logic error in checking version in probe 2017-03-05 16:34:32 +01:00
libavresample Bump minor versions after 3.2 branchpoint to seperate release 2016-10-26 20:52:42 +02:00
libavutil avutil/md5: stop discarding the const qualifier for the src pointer 2017-03-03 13:37:11 -03:00
libpostproc Bump minor versions after 3.2 branchpoint to seperate release 2016-10-26 20:52:42 +02:00
libswresample lswr/rematrix: Remove an aggressive loop optimization. 2017-02-25 18:53:34 +01:00
libswscale swscale: add P016 input support 2017-02-01 14:29:11 -08:00
presets
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tests ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
tools tools/target_dec_fuzzer: Fix misaligned read 2017-02-24 14:12:13 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore Merge commit '6641819feedb086ebba3d2be89b8d33980f367e1' 2016-06-26 15:43:05 +02:00
.travis.yml Merge commit 'eda183287489b2c705843aa373a19c4e46fb2fec' 2015-11-22 17:12:24 +00:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avcodec: add ClearVideo decoder 2017-03-02 11:39:54 +01:00
INSTALL.md
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LICENSE.md lavfi/f_ebur128: relicense to LGPL 2016-11-27 20:46:20 +01:00
MAINTAINERS MAINTAINERS: Add Rodger Combs to ffmpeg-security 2017-02-28 01:13:52 +01:00
Makefile Makefile: Clean compat/atomics/pthread subdirectory. 2017-03-01 13:43:03 +01:00
README.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
RELEASE RELEASE: Update for past 3.2 branch 2016-10-26 20:52:43 +02:00
arch.mak mips: rename mipsdspr1 to mipsdsp 2015-12-04 02:35:42 +01:00
cmdutils.c cmdutils: remove duplicate windows.h include 2016-11-16 15:06:16 +01:00
cmdutils.h cmdutils: add show_demuxers and show_muxers 2016-11-08 01:56:31 +01:00
cmdutils_common_opts.h cmdutils: add show_demuxers and show_muxers 2016-11-08 01:56:31 +01:00
cmdutils_opencl.c cmdutils_opencl: fix resource_leak cid 1396852 2017-01-13 07:54:49 +08:00
common.mak Merge commit 'c5fd4b50610f62cbb3baa4f4108139363128dea1' 2016-06-27 19:39:46 +02:00
configure lavfi: Add VAAPI deinterlacer 2017-02-23 22:08:26 +00:00
ffmpeg.c ffmpeg: delay processing of subtitles before filters are initialized 2017-03-03 08:45:43 +01:00
ffmpeg.h ffmpeg: delay processing of subtitles before filters are initialized 2017-03-03 08:45:43 +01:00
ffmpeg_cuvid.c ffmpeg_cuvid: adapt for recent filter graph initialization changes 2017-03-03 08:45:43 +01:00
ffmpeg_dxva2.c Merge commit '18c506e9e6e8df8b1d496d093077b8240ea68c28' 2016-06-26 15:34:01 +02:00
ffmpeg_filter.c ffmpeg: properly cleanup filter graph on init failure 2017-03-03 08:45:43 +01:00
ffmpeg_opt.c ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
ffmpeg_qsv.c ffmpeg: init filtergraphs only after we have a frame on each input 2017-03-03 08:45:43 +01:00
ffmpeg_vaapi.c ffmpeg_vaapi: Always set hwaccel_ctx, so it gets properly cleaned up on error 2017-02-05 15:13:15 +00:00
ffmpeg_vdpau.c Merge commit 'f72db3f2f3a8c83a4f5dede8fa03434b2bf676c6' 2016-06-26 15:29:39 +02:00
ffmpeg_videotoolbox.c ffmpeg/videotoolbox: protect UTGetOSTypeFromString on both VDA and VT 2015-10-15 10:22:31 +02:00
ffplay.c ffplay: change keyboard volume control to logarithmic 2017-02-08 22:36:42 +01:00
ffprobe.c lavc: Add spherical packet side data API 2016-12-07 14:40:06 -05:00
ffserver.c ffserver: local OOB write with custom program name 2017-01-08 03:50:56 +01:00
ffserver_config.c ffserver_config: Check for failure to allocate FFServerIPAddressACL 2016-12-22 19:23:08 +01:00
ffserver_config.h ffsrever: Make the status page bitexact if any stream is bitexact 2016-11-29 19:26:26 +01:00
library.mak Merge commit 'c5fd4b50610f62cbb3baa4f4108139363128dea1' 2016-06-27 19:39:46 +02:00
version.sh version.sh: Fix spurious rebuilds. 2016-03-10 09:53:10 +01:00

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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.