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Michael Niedermayer b1deea36aa
avfilter/vf_signature: Fix integer overflow in filter_frame() 
Fixes: CID1403233

The second of the 2 changes may be unneeded but will help coverity

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd6040675e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2022-09-25 13:51:46 +02:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc Update for FFmpeg 4.4.2 2022-04-06 20:29:51 +02:00
ffbuild ffbuild: Avoid using the --preprocessor argument to windres 2021-06-24 23:25:30 +03:00
fftools fftools/ffmpeg: Fix crash when flushing non-fully setup output stream 2021-10-08 11:31:37 -03:00
libavcodec avcodec/hevcdsp_template: stay within tables in sao_band_filter() 2022-09-25 13:51:45 +02:00
libavdevice avdevice/xv: Increase array size 2022-01-11 15:15:53 +01:00
libavfilter avfilter/vf_signature: Fix integer overflow in filter_frame() 2022-09-25 13:51:46 +02:00
libavformat avformat/rtsp: break on unknown protocols 2022-09-25 13:51:45 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/utils: Remove racy check from avutil_version() 2022-01-11 15:15:53 +01:00
libpostproc Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
libswresample libswresample/audioconvert: Fix undefined NULL + 0 2021-04-02 21:39:54 +02:00
libswscale swscale/alphablend: Fix slice handling 2021-10-05 23:19:40 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests fate: update reference files after the recent dash manifest muxer changes 2022-04-08 16:11:00 -03:00
tools tools/cws2fws: Check read() for failure 2021-09-08 21:31:50 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update 2022-04-14 21:48:15 +02:00
configure configure: bump year 2022-09-25 13:51:35 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 2021-03-19 15:35:35 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Update for FFmpeg 4.4.2 2022-04-06 20:29:51 +02:00
RELEASE_NOTES Update missed irc links 2021-06-18 20:53:56 +02:00

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.