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Niklas Haas 52c35d648c avcodec/h274: don't read from uninitialized array members 
This bug flew under the radar because, in practice, these values are
0-initialized for the first invocation. But for subsequent invocations
(with different h/v values), reading from the uninitialized parts of
`out` is undefined behavior.

Avoid this by simply adjusting the iteration range of the following
loops. Has the added benefit of being a minor speedup.

Signed-off-by: James Almer <jamrial@gmail.com>
2021-09-12 11:07:40 -03:00
compat compat/cuda: add __expf() implementation 2021-08-14 15:06:47 +02:00
doc avfilter/vf_xfade: add zoomin transition 2021-09-12 15:01:48 +02:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools fftools/cmdutils: Use %c, not %s to write a single char 2021-09-05 11:55:01 +02:00
libavcodec avcodec/h274: don't read from uninitialized array members 2021-09-12 11:07:40 -03:00
libavdevice avdevice/decklink: support for more duplex mode for Decklink 8K Pro 2021-08-16 10:00:39 +08:00
libavfilter avfilter/vf_xfade: check default switch case 2021-09-12 15:06:08 +02:00
libavformat avformat/rtpdec: Make ff_rtp_handler_iterate() static 2021-09-08 22:59:14 +02:00
libavutil libavutil/hwcontext_d3d11va: adding more texture information to the D3D11 hwcontext API 2021-09-08 17:48:02 -03:00
libpostproc postproc/postprocess: Remove legacy cruft 2021-07-29 22:02:06 +02:00
libswresample (postproc|swresample)/version: Don't include libavutil/avutil.h 2021-07-29 22:02:05 +02:00
libswscale libswscale/swscale: initialize all dst plane pointers in sws_receive_slice() 2021-09-07 09:44:58 -03:00
presets
tests fate: fix silenceremove test 2021-09-09 23:45:52 +02:00
tools tools/dvd2concat: use option keyword 2021-08-22 11:44:17 +02:00
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Changelog avfilter: add audio psychoacoustic clipper 2021-09-11 16:19:40 +02:00
configure avfilter/af_asoftclip: rewrite oversampling 2021-09-12 12:55:50 +02:00
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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.