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Michael Niedermayer f175858f10
avcodec/alsdec: Clear shift_value 
(the exact issue is unreproducable but the use of uninitialized data is reproducable)

Should fix: signed integer overflow: -2147483648 - 127 cannot be represented in type 'int'
Should fix: 69881/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-4751301204836352

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6194cb87cb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-24 16:52:59 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc doc/examples/mux: remove nop 2024-07-24 16:52:39 +02:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg_enc: Initialize fd 2024-07-24 16:52:26 +02:00
libavcodec avcodec/alsdec: Clear shift_value 2024-07-24 16:52:59 +02:00
libavdevice avdevice/dshow_capture: Fix error handling in ff_dshow_##prefix##_Create() 2024-07-24 16:52:47 +02:00
libavfilter avfilter/vf_xfade: Check ff_inlink_consume_frame() for failure 2024-07-24 16:52:58 +02:00
libavformat avformat/xmv: Check this_packet_size 2024-07-24 16:52:57 +02:00
libavutil avutil/slicethread: Check pthread_*_init() for failure 2024-07-24 16:52:58 +02:00
libpostproc Bump versions prior to 6.1 2023-10-29 16:19:39 +01:00
libswresample swresample/resample: fix rounding errors with filter_size=1 and phase_shift=0 2024-03-19 21:25:07 +01:00
libswscale swscale/output: Fix integer overflows in yuv2rgba64_X_c_template 2024-07-24 16:52:50 +02:00
presets
tests fate/subtitles: Ignore line endings for sub-scc test 2024-04-14 03:24:04 +02:00
tools tools/coverity: Phase 1 study of anti-halicogenic for coverity av_rescale() 2024-07-24 16:52:30 +02:00
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.travis.yml
Changelog Update for 6.1.2 2024-04-15 01:02:08 +02:00
configure configure: update copyright year 2024-07-24 16:52:20 +02:00
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COPYING.GPLv2
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MAINTAINERS MAINTAINERS: Add Timo Rothenpieler to server admins 2024-07-24 16:52:24 +02:00
Makefile tools: Don't include the direct library names when linking 2023-10-02 22:49:07 +03:00
README.md
RELEASE Update for 6.1.2 2024-04-15 01:02:08 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2023-11-10 23:32:04 +01:00

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.