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Leo Izen ec42a0aec0
avcodec/exif: avoid overflow with supplemental extra IFDs 
If extra IFDs occur outside of the top level, we don't allocate enough
buffer space for them. This commit changes our calculation to include
their size always, and then we shrink the allocated buffer once every
IFD is written (by at most 192 bytes).

Signed-off-by: Leo Izen <leo.izen@gmail.com>
2026-01-07 04:01:51 -05:00
.forgejo .forgejo/CODEOWNERS: Add myself for jpeg2000htdec 2026-01-06 15:32:32 +00:00
compat compat: Fix .def file generation for ARM64EC builds on Windows 2025-12-19 10:01:16 +00:00
doc doc/APIchanges: Fix typo 2026-01-04 20:21:25 +01:00
ffbuild configure: add detection of assembler support for SME 2025-12-09 21:38:38 +00:00
fftools fftools/ffmpeg_filter: fix access private API of libavcodec 2025-12-30 07:40:15 +00:00
libavcodec avcodec/exif: avoid overflow with supplemental extra IFDs 2026-01-07 04:01:51 -05:00
libavdevice avdevice/gdigrab: suppress int to pointer cast warning 2025-12-03 23:45:44 +00:00
libavfilter avfilter/src_movie: fix support multiple frames per packet 2026-01-05 20:41:59 +00:00
libavformat avformat/hls: show stream IDs 2026-01-06 04:05:47 +00:00
libavutil avutil/crc: use arm64 crc32 instruction 2026-01-04 15:49:30 +01:00
libswresample swresample/soxr_resample: pass initialized data to soxr_process() in flush() 2025-12-08 21:31:13 +00:00
libswscale swscale/tests/sws_ops: add optional -src and -dst parameters 2025-12-26 13:14:28 +00:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avformat/pcmdec: Mark raw PCM stream as having no timestamps 2026-01-05 01:23:17 +00:00
tools tools/sofa2wavs: fix build on Windows 2025-11-29 21:43:12 +00:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore .gitignore: Add config_components.asm 2025-11-02 13:10:58 +00:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog avformat/iamf_writer: add support for Projection mode ambisonic Audio elements 2025-12-29 12:02:02 -03:00
configure configure: Check for the AArch64 CRC extension 2026-01-04 15:49:30 +01:00
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 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md all: fix typos found by codespell 2025-08-03 13:48:47 +02:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: Update the entries for AMF 2025-10-28 21:06:37 +00:00
Makefile configure: add detection of assembler support for SME 2025-12-09 21:38:38 +00:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
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.