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Michael Niedermayer 054dffd133 avcodec/bsf/dts2pts: fix binary tree invariant violation on selective dec_poc 
Modifying the keys of a sorted structure, be that a tree or other
can lead to changes in the ordering and undefined behavior.
It can also lead to collisions with existing keys.

All these cases need to be handled unless there is a bug elsewhere
that would prevent them.

Fixes: out of array access
Fixes: 504281984/clusterfuzz-testcase-minimized-ffmpeg_BSF_DTS2PTS_fuzzer-6032368162111488

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-05-31 13:41:57 +00:00
.forgejo tests/fate/libavutil: add FATE test for csp 2026-05-25 21:18:34 +00:00
compat avfilter/scale_cuda: fix color bleeding in lanczos scaling 2026-04-04 11:31:16 +00:00
doc avformat: deprecate AVStreamGroupLCEVC 2026-05-31 03:43:29 +00:00
ffbuild ffbuild/common: remove DBG=1 to preprocess external asm 2026-04-03 16:15:33 +02:00
fftools avformat: add AV_STREAM_GROUP_PARAMS_DOLBY_VISION 2026-05-31 03:43:29 +00:00
libavcodec avcodec/bsf/dts2pts: fix binary tree invariant violation on selective dec_poc 2026-05-31 13:41:57 +00:00
libavdevice avdevice/v4l2: fix mmap_free() skipping first buffer 2026-04-28 13:45:20 +00:00
libavfilter avfilter/Makefile: fix build with Vulkan and runtime GLSL compilation 2026-05-31 13:38:30 +00:00
libavformat avformat: deprecate AVStreamGroupLCEVC 2026-05-31 03:43:29 +00:00
libavutil vulkan/ffv1: read raw 16-bit float images via R16_UINT view to preserve denormals 2026-05-26 17:47:04 +09:00
libswresample libswresample/arm: Change to the common indentation size 2026-04-29 13:49:27 +03:00
libswscale swscale/tests/swscale: check if formats require the legacy path with -hw 2026-05-31 01:14:08 +09:00
presets
tests avcodec/dcadec: output a custom channel layout when requesting coded channel ordering 2026-05-30 22:37:09 -03:00
tools tools/zmqsend: close the input FILE 2026-05-15 20:35:56 -03:00
.gitattributes
.gitignore swscale/aarch64: add NEON sws_ops backend 2026-03-30 11:38:35 +00:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog avformat/ogg: drop CELT support 2026-05-23 10:16:38 -05:00
configure avcodec: remove CELT decoder 2026-05-22 09:33:52 +00:00
CONTRIBUTING.md CONTRIBUTING.md: add blank line after top heading 2026-04-20 12:32:50 +00:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
COPYING.LGPLv3
CREDITS
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md INSTALL.md: add title heading and normalize section levels 2026-04-20 12:32:50 +00:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself for libavfilter 2026-04-25 19:18:28 +02:00
Makefile configure: add detection of assembler support for SME2 2026-03-04 23:52:36 +02:00
README.md README.md: use consistent ATX heading style 2026-04-20 12:32:50 +00:00
RELEASE RELEASE: update to 8.0 2025-08-14 08:42:29 -04:00

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 means to alter decoded audio and video through a directed graph of connected 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.