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Andreas Rheinhardt 048bc3fe31 avformat/matroskadec: Add a workaround for missing WavPack extradata 
mkvmerge versions 6.2 to 40.0 had a bug that made it not propagate the
WavPack extradata (containing the WavPack version) during remuxing from
a Matroska file; currently our demuxer would treat every WavPack block
encountered as invalid data (unless the WavPack stream is to be
discarded (i.e. the streams discard is >= AVDISCARD_ALL)) and try to
resync to the next level 1 element.

Luckily, the WavPack version is currently not really important; so we
fix this problem by assuming a version. David Bryant, the creator of
WavPack, recommended using version 0x410 (the most recent version) for
this. And this is what this commit does.

A FATE-test for this has been added.

Reviewed-by: David Bryant <david@wavpack.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-04-02 07:12:01 +02:00
compat avformat/udp: support w32pthreads compat 2020-03-08 19:08:04 +01:00
doc avformat/avformat: Update av_read_frame() documentation 2020-03-29 03:58:30 +02:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools ffmpeg: Print an error instead of a debug message on exit. 2020-03-31 00:41:13 +02:00
libavcodec avcodec/v4l2_m2m_dec: Init reserved bytes to zero before ioctl call 2020-03-31 23:41:37 -04:00
libavdevice remove CHAR_MIN/CHAR_MAX usage 2020-03-17 22:46:36 +01:00
libavfilter lavfi/deshake_opencl: Do not use bool, powerpc does not like it. 2020-04-01 15:48:19 +02:00
libavformat avformat/matroskadec: Add a workaround for missing WavPack extradata 2020-04-02 07:12:01 +02:00
libavresample
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libavutil avutil/opt: Don't use NULL for %s string in a log message 2020-04-01 04:09:18 +02:00
libpostproc libavcodec, libpostproc: Remove outcommented START/STOP_TIMER 2020-03-14 18:24:04 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale lsws/input: Do not change transparency range. 2020-03-11 22:55:49 +01:00
presets
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tests avformat/matroskadec: Add a workaround for missing WavPack extradata 2020-04-02 07:12:01 +02:00
tools tools/target_dec_fuzzer: limit per frame samples for APE 2020-01-30 19:59:10 +01:00
.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
.mailmap mailmap: fix 3-address entries 2020-03-31 04:14:14 -05:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
CONTRIBUTING.md
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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 avfilter: add vf_overlay_cuda 2020-03-28 18:39:40 +01:00
INSTALL.md
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add my gpg fingerprint 2020-03-23 23:37:19 +01:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md
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RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00
configure avfilter: add vf_overlay_cuda 2020-03-28 18:39:40 +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.
  • 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.