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Michael Niedermayer 4c718691ea avcodec/cabac: Check initial cabac decoder state 
Fixes integer overflows
Fixes: 1430e9c43fae47a24c179c7c54f94918/signal_sigsegv_421427_2340_591e9810c7b09efe501ad84638c9e9f8.264

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Found-by: xiedingbao (Ticket4727)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8000d484b8)

Conflicts:

	libavcodec/cabac.h
2015-11-27 14:07:03 +01:00
compat
doc update versions for 2.8.2 2015-11-11 02:50:39 +01:00
libavcodec avcodec/cabac: Check initial cabac decoder state 2015-11-27 14:07:03 +01:00
libavdevice avdevice/libdc1394: Make dc1394_frame_format and dc1394_frame_rate, static 2015-08-30 13:10:11 +02:00
libavfilter doc: fix spelling errors 2015-10-12 21:46:54 +02:00
libavformat rtmpcrypt: Do the xtea decryption in little endian mode 2015-11-26 16:06:39 +01:00
libavresample x86inc: Drop SECTION_TEXT macro 2015-08-04 20:13:09 +02:00
libavutil softfloat: assert when the argument of av_sqrt_sf is negative 2015-11-26 01:35:45 +01:00
libpostproc avutil/x86/asm: rename REG_SP to REG_sp 2015-08-22 02:56:53 +02:00
libswresample swresample/resample: increase precision for compensation 2015-11-11 18:41:01 +01:00
libswscale swscale: fix ticket #4881 2015-10-13 20:11:42 +02:00
presets
tests swresample/resample: increase precision for compensation 2015-11-11 18:41:01 +01:00
tools graph2dot: use avfilter_pad_get_name accessor function 2015-08-20 22:38:01 +02:00
.gitattributes
.gitignore doc/examples: rename avio_list_dir -> avio_dir_cmd 2015-08-16 02:16:47 +02:00
arch.mak
Changelog Update Changelog 2015-11-12 01:17:17 +01:00
cmdutils_common_opts.h
cmdutils_opencl.c
cmdutils.c cmdutils: Filter dst/srcw/h 2015-10-08 13:15:42 +02:00
cmdutils.h cmdutils: remove sws_opts usage, simplify code 2015-08-08 16:51:25 +02:00
common.mak
configure configure: Require libkvazaar < 0.7. 2015-10-14 14:15:30 +02:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
ffmpeg_dxva2.c
ffmpeg_filter.c lavfi: fix compilation with FF_API_OLD_FILTER_OPTS=0. 2015-08-18 22:22:49 -04:00
ffmpeg_opt.c ffmpeg: Improve help text for -target. 2015-09-02 14:32:06 +02:00
ffmpeg_vdpau.c ffmpeg_vdpau: Ignore decoder's max supported level 2015-08-16 15:02:33 -07:00
ffmpeg_videotoolbox.c avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
ffmpeg.c ffmpeg: Don't try and write sdp info if none of the outputs had an rtp format. 2015-11-09 23:56:29 +01:00
ffmpeg.h ffmpeg: switch swscale option handling to AVDictionary similar to what the other subsystems use 2015-08-08 14:44:15 +02:00
ffplay.c Put remaining pieces of CODEC_FLAG_EMU_EDGE under FF_API_EMU_EDGE. 2015-08-28 14:40:59 -04:00
ffprobe.c
ffserver_config.c ffserver: use -b instead of -ab for setting audio bitrate. 2015-08-28 14:59:58 -04:00
ffserver_config.h
ffserver.c ffserver: cast PID to int64_t before printing 2015-08-21 15:47:54 +02:00
INSTALL.md
library.mak
LICENSE.md
MAINTAINERS MAINTAINERS: add 2.8, drop 2.2 2015-10-08 13:15:42 +02:00
Makefile avcodec: add new Videotoolbox hwaccel. 2015-08-03 10:12:10 +02:00
README.md
RELEASE update versions for 2.8.2 2015-11-11 02:50:39 +01:00
RELEASE_NOTES RELEASE_NOTES based on 2.7 2015-09-08 22:33:04 +02:00
version.sh

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.