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Michael Niedermayer fe0416f8a1 avcodec/jpeg2000dec: Skip DWT if nothing is coded 
Improves speed in uncommon case

Fixes: Timeout
Fixes: 10964/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5132066034286592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2018-12-08 17:01:03 +01:00
compat additional math.h functions for djgpp 2018-11-28 22:16:07 +11:00
doc doc/codecs: Do not mention a removed flags. 2018-12-08 11:29:19 +01:00
ffbuild
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fftools ffplay: fix -x and -y options when only one of them is used 2018-12-02 00:57:10 +01:00
libavcodec avcodec/jpeg2000dec: Skip DWT if nothing is coded 2018-12-08 17:01:03 +01:00
libavdevice avdevice/decklink_enc: add support for setting genlock timing offset 2018-12-02 00:57:10 +01:00
libavfilter avfilter/vf_overlay: fix filtering with negative y 2018-12-03 10:32:59 +01:00
libavformat Fix bug in mpegts muxer which affects KLV async stream generation. 2018-12-08 11:06:10 +11:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil hwcontext_opencl: Use correct function to enumerate devices 2018-12-02 23:39:19 +00:00
libpostproc Bump minor version for master after 4.1 branchpoint 2018-11-02 00:53:07 +01:00
libswresample Bump minor version for master after 4.1 branchpoint 2018-11-02 00:53:07 +01:00
libswscale swscale/ppc: Move VSX-using code to its own file 2018-12-04 02:59:07 +01:00
presets
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tests avcodec/r210: use correct pixel format 2018-12-03 17:17:42 +01:00
tools tools/qt-faststart: Allow free atoms after moov atom. 2018-08-01 00:49:54 +02:00
.gitattributes
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.gitignore Remove the ffserver program 2018-01-06 18:31:37 +00:00
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CONTRIBUTING.md
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COPYING.GPLv2
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CREDITS
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Changelog avcodec: add PCM-DVD encoder 2018-12-01 19:41:48 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: remove myself as hls demuxer maintainer 2018-10-16 01:18:00 +03:00
Makefile avcodec/parser: move parsers list and related API to its own file 2018-07-21 16:08:29 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: bump to 4.1.git 2018-11-02 00:55:49 +01:00
configure configure: check if dlfcn.h is present for ladspa and frei0r, if not abort early 2018-12-03 11:07:49 +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.