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Michael Niedermayer a90497c183 avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c 
Fixes: runtime error: signed integer overflow: -1440457022 - 785819492 cannot be represented in type 'int'
Fixes: 7700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OPUS_fuzzer-6595838684954624

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e7dda51150)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-06-15 22:31:13 +02:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc doc/APIchanges: Fix typos in hashes 2018-04-20 01:53:41 +02:00
ffbuild Merge commit '17b6c7efb4' 2017-11-12 01:02:02 -03:00
fftools ffprobe: fix SEGV when new streams are added 2018-05-18 19:16:35 -07:00
libavcodec avcodec/opus_silk: Change silk_lsf2lpc() slightly toward silk/NLSF2A.c 2018-06-15 22:31:13 +02:00
libavdevice avdevice/decklink_dec: unref packets on avpacket_queue_put error 2018-05-01 21:22:33 +02:00
libavfilter lavf/qsv: clone the frame which may be managed by framework 2018-04-23 22:56:18 +01:00
libavformat avformat/mov: replace a value error by clipping into valid range in mov_read_stsc() 2018-06-15 22:31:13 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil hwcontext_vaapi: Fix compilation with libva versions < 1.4.0 2018-04-27 23:42:07 +01:00
libpostproc Bump minor versions for branching release/4.0 2018-04-16 12:35:12 +02:00
libswresample swresample/arm: remove unintentional relocation. 2018-04-20 01:53:41 +02:00
libswscale Bump minor versions for branching release/4.0 2018-04-16 12:35:12 +02:00
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tests avcodec/xwddec: fix palette alpha 2018-05-16 22:50:18 +02:00
tools lav*,tests: remove several register_all calls 2018-04-02 03:26:22 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
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.travis.yml Merge commit '4809781586' 2017-10-28 15:08:31 -03:00
Changelog Changelog: replace <next> by 4.0 2018-04-20 01:55:05 +02:00
configure configure: The eac3_core bitstream filter needs the ac3 parser. 2018-06-13 12:04:12 +02:00
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Makefile Revert "lavd: add new API for iterating input and output devices" 2018-03-31 23:26:31 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
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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.