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Michael Niedermayer 3e7fd43e5f avcodec/hevcdec: Check slice_cb_qp_offset / slice_cr_qp_offset 
Fixes: signed integer overflow: 29 + 2147483640 cannot be represented in type 'int'
Fixes: 25413/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5697909331591168

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 106f11f68a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-10-17 21:34:53 +02:00
compat
doc Update for 2.8.17 2020-07-05 13:01:36 +02:00
libavcodec avcodec/hevcdec: Check slice_cb_qp_offset / slice_cr_qp_offset 2021-10-17 21:34:53 +02:00
libavdevice
libavfilter avfilter/vf_aspect: Fix integer overflow in compute_dar() 2020-04-23 21:29:01 +02:00
libavformat avformat/subviewerdec: fail on AV_NOPTS_VALUE 2021-10-17 21:34:53 +02:00
libavresample
libavutil avutil/fixed_dsp: Fix integer overflows in butterflies_fixed_c() 2021-10-17 21:34:53 +02:00
libpostproc postproc/postprocess_template: Avoid using %4 for the threshold compare 2019-12-02 19:41:47 +01:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-08-03 02:14:31 +02:00
libswscale swscale/yuv2rgb: Fix vertical dither offset with slices 2020-04-23 21:29:01 +02:00
presets
tests avcodec/vp56rac: delay signaling an error on truncated input 2019-12-06 20:30:57 +01:00
tools zmqsend: Initialize ret to 0 2016-12-06 00:59:22 +01:00
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ffmpeg_dxva2.c
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ffmpeg_opt.c Avoid using the term "file" and prefer "url" in some docs and comments 2016-12-06 00:59:22 +01:00
ffmpeg_vdpau.c
ffmpeg_videotoolbox.c
ffmpeg.c fftools/ffmpeg: Fallback to duration if sample rate is unavailable 2018-07-10 01:52:56 +02:00
ffmpeg.h
ffplay.c cmdutils: remove the current working directory from the DLL search path on win32 2016-08-15 20:25:13 +02:00
ffprobe.c ffprobe: Fix NULL pointer handling in color parameter printing 2017-08-24 12:49:30 +02:00
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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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.