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Michael Niedermayer 638a151a87 avformat/bfi: Check chunk_header 
Fixes: signed integer overflow: -2147483648 - 3 cannot be represented in type 'int'
Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_BFI_fuzzer-6665764123836416

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-01-23 14:32:54 +01:00
compat All: update names in copyright headers 2021-01-20 01:02:56 -06:00
doc doc/ffmpeg: document adrift_threshold 2021-01-23 16:43:51 +05:30
ffbuild
fftools ffmpeg_opts: remove lowres check 2021-01-21 10:22:41 -03:00
libavcodec avcodec/utils: Check for integer overflow in get_audio_frame_duration() for ADPCM_DTK 2021-01-23 01:05:25 +01:00
libavdevice lavd/dshow: Add namespace prefix to global functions 2021-01-21 20:02:23 -03:00
libavfilter avfilter/vf_atadenoise: fix mid calculation 2021-01-22 18:24:32 +01:00
libavformat avformat/bfi: Check chunk_header 2021-01-23 14:32:54 +01:00
libavresample
libavutil avutils/vulkan: hwmap, respect src frame resolution 2021-01-22 04:30:42 +01:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample
libswscale lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
presets
tests tests/dnn: fix build issue after function name changed 2021-01-22 19:28:29 +08:00
tools tools/target_dem_fuzzer.c: Decrease maxblocks 2021-01-05 02:00:05 +01:00
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Changelog avfilter: add estdif video filter 2021-01-16 14:08:59 +01:00
configure avcodec/librav1e: Pass through timestamps as opaque user data 2021-01-17 14:49:46 +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.