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Nil Fons Miret 9899da8175
libavfilter: guard against ff_draw_init/ff_draw_init2 failures 
The return value of ff_draw_init and ff_draw_init2 are not checked in
most usages. However, if they return an error, they don't get to the
point where they set the attributes of the FFDrawContext. These
functions are typically used in conjunction with ff_draw_color, which
checks draw->desc->flags, causing a null pointer dereference.

Signed-off-by: Nil Fons Miret <nilf@netflix.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-11 14:17:01 +01:00
compat compat/w32pthreads: change pthread_t into pointer to malloced struct 2024-12-16 09:43:19 +01:00
doc avutil/pixfmt: add YAF16 and YAF32 pixel formats 2025-03-10 10:15:42 -03:00
ffbuild ffbuild/bin2c: misc fix 2025-01-13 23:58:36 +08:00
fftools fftools/ffmpeg_filter: also remove display matrix side data from buffered frames 2025-03-03 18:10:10 -03:00
libavcodec avcodec/dvdsubenc: Remove pointless wrapper 2025-03-11 04:37:21 +01:00
libavdevice avdevice/alsa: simplify passing ff_alsa_open a channel layout 2025-02-12 18:49:07 -03:00
libavfilter libavfilter: guard against ff_draw_init/ff_draw_init2 failures 2025-03-11 14:17:01 +01:00
libavformat avcodec/put_bits: Add and use put_bits63() 2025-03-11 04:37:21 +01:00
libavutil hwcontext_vulkan: add support for mapping multiplane images into CUDA 2025-03-11 13:42:19 +01:00
libpostproc */version.h: bump after release/7.1 branch 2024-09-24 17:10:35 +02:00
libswresample aarch64: Fix a few misindented lines 2025-02-28 23:23:09 +02:00
libswscale swscale/input: add support for YAF16 and YAF32 2025-03-10 10:15:42 -03:00
presets
tests avcodec/exr: use luma+alpha float pixel formats 2025-03-10 10:15:42 -03:00
tools tools: Add binaries to .gitignore 2025-02-25 02:03:58 +01:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore .gitignore: add exclusions for shader .c files 2024-11-18 07:54:21 +01:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog avcodec: add a ffv1 parser 2025-02-06 13:48:47 -03:00
configure lsws/ppc/yuv2rgb_altivec: Fix build in non-VSX environments with Clang v2 2025-03-11 00:31:47 -04:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2024-11-03 19:35:23 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Lauri is still available but is really low on time nowadays 2024-11-28 23:19:00 +01:00
Makefile configure: Add wasm as a fake arch 2024-12-04 16:43:06 +08:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +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 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.