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Michael Niedermayer 082f6ddb5c
avformat/mov: check extradata in mov_read_dops() 
We do want to limit an attackers ability to change once parsed structures.
So once extradata (or another array) is finished and possibly has been used we do not
want to allow an attacker to change it.

This reduces the attack surface

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7c67748537)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-05-05 18:55:12 +02:00
.forgejo forgejo: backport CI job names 2026-01-02 20:07:55 +01:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc fate: add missing options in config template 2026-05-05 18:54:54 +02:00
ffbuild all: apply linter fixes 2025-12-07 15:55:56 +00:00
fftools fftools/ffmpeg_opt: limit recursion of presets 2026-05-05 18:55:01 +02:00
libavcodec avcodec/svq1dec: Check input space for minimum 2026-05-05 18:55:11 +02:00
libavdevice configure: improve check for POSIX ioctl 2024-09-01 19:57:19 -04:00
libavfilter libavfilter/vf_v360: fix operator precedence in stereo loop condition 2026-05-05 18:55:09 +02:00
libavformat avformat/mov: check extradata in mov_read_dops() 2026-05-05 18:55:12 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/samplefmt: Dont claim that av_get_sample_fmt_string checks sample_fmt 2026-05-05 18:55:10 +02:00
libpostproc libpostproc: check minimum size 2025-05-16 01:03:30 +02:00
libswresample swresample/resample_template: add casts to avoid undefined overflows 2026-05-05 18:55:03 +02:00
libswscale swscale/output: fix integer overflows in chroma in yuv2rgba64_X_c_template() 2026-05-05 18:55:07 +02:00
presets
tests all: apply linter fixes 2025-12-07 15:55:56 +00:00
tools tools/check_arm_indent: skip empty glob 2025-12-07 15:55:56 +00:00
.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 update for 4.4.7 2025-12-01 02:13:20 +01:00
configure configure: Clearer documentation for "disable-safe-bitstream-reader" 2025-05-15 22:48:27 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1 all: apply linter fixes 2025-12-07 15:55:56 +00:00
COPYING.LGPLv3
CREDITS Use https for repository links 2023-04-07 23:40:46 +02:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2025-03-16 22:12:11 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Update the entries for the release maintainer for FFmpeg 2024-07-21 17:20:27 +02:00
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 4.4.7 2025-12-01 02:13:20 +01:00
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.