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Michael Niedermayer a105f52855 avcodec/error_resilience: avoid accessing previous or next frames tables beyond height 
The height of tables can be rounded up for MBAFF but this does not imply that is also true
for the previous frames

Fixes out of array reads
Fixes: c106b36fa36db8ff8f3ed0c82be7bea2/asan_heap-oob_32699f0_6321_467b9a1d7e03d7cfd310b7e65dc53bcc.mov

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2015-11-14 22:51:30 +01:00
compat os2threads: Add pthread_once() 2015-11-12 22:31:46 +01:00
doc avformat/mxfenc: Only store user comment related tags when needed 2015-11-10 23:27:51 +01:00
libavcodec avcodec/error_resilience: avoid accessing previous or next frames tables beyond height 2015-11-14 22:51:30 +01:00
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libavfilter Merge commit '1339009c4924a20e872aa62897097bf5d071157c' 2015-11-11 15:01:15 +01:00
libavformat avformat: implement SChannel SSP TLS protocol 2015-11-14 14:31:58 +01:00
libavresample Merge commit 'e2854e731f843906d9a9a5b882bed872341999fd' 2015-11-10 18:07:41 +01:00
libavutil avutil/common: add av_rint64_clip 2015-11-13 21:48:16 -05:00
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libswresample swresample/resample: increase precision for compensation 2015-11-11 18:17:18 +01:00
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tests swresample/resample: increase precision for compensation 2015-11-11 18:17:18 +01:00
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ffmpeg_dxva2.c
ffmpeg_filter.c ffmpeg_filter: remove redundant null ptr check 2015-11-11 01:51:52 +01:00
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ffmpeg.c ffmpeg: Fix integer overflow with cur_dts being AV_NOPTS_VALUE 2015-11-11 17:46:19 +01:00
ffmpeg.h ffmpeg: set muxer packet duration based on framerate only for CFR 2015-11-11 15:04:21 +01:00
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ffserver.c ffserver: Replace one malloc(AVStream) by avformat_new_stream() 2015-11-11 21:26:50 +01:00
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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.

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. Few developers follow pull requests so they will likely be ignored.