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Michael Niedermayer 799f37b23a avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32() 
Fixes: Segfault (not reproducable with asm, which made this hard to debug)
Fixes: decoding errors
Fixes: 19854/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5729372837511168

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0694b60b7b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2020-07-01 13:33:44 +02:00
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doc Update for 4.0.5 2019-11-11 23:52:50 +01:00
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fftools fftools/ffmpeg: Repair reinit_filter feature 2019-03-21 10:42:51 +01:00
libavcodec avcodec/x86/diracdsp: Fix incorrect src addressing in dequant_subband_32() 2020-07-01 13:33:44 +02:00
libavdevice avdevice/decklink_dec: unref packets on avpacket_queue_put error 2018-05-01 21:22:33 +02:00
libavfilter avfilter/vf_find_rect: Remove assert 2020-07-01 13:33:44 +02:00
libavformat avformat/rmdec: Initialize and sanity check offset in ivr_read_header() 2020-07-01 13:33:44 +02:00
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libavutil avutil/lfg: Correct index increment type to avoid undefined behavior 2020-07-01 13:33:43 +02:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2019-03-21 10:42:51 +01:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-10-07 21:34:00 +02:00
libswscale swscale/input: Fix several invalid shifts related to rgb2yuv constants 2020-07-01 13:33:44 +02:00
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tests avcodec/vp56rac: delay signaling an error on truncated input 2019-11-11 20:18:47 +01:00
tools lav*,tests: remove several register_all calls 2018-04-02 03:26:22 +01:00
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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.