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Michael Niedermayer 6438fb1340 avcodec/cavsdsp: use av_clip_uint8() for idct 
Fixes out of array read
Fixes: 1.swf

Found-by: 连一汉 <lianyihan@360.cn>
Tested-by: 连一汉 <lianyihan@360.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0e318f110b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2017-08-23 13:15:16 +02:00
compat Merge commit 'f929ab0569' 2014-08-15 21:00:50 +02:00
doc doc/developer.texi: Add a code of conduct 2017-08-23 13:15:16 +02:00
libavcodec avcodec/cavsdsp: use av_clip_uint8() for idct 2017-08-23 13:15:16 +02:00
libavdevice avdevice/lavfi: do not rescale AV_NOPTS_VALUE in lavfi_read_packet() 2015-08-20 14:29:11 +02:00
libavfilter avfilter/af_amix: dont fail if there are no samples in output_frame() 2017-08-23 13:15:16 +02:00
libavformat avformat/utils: fix timebase error in avformat_seek_file() 2017-08-23 13:15:16 +02:00
libavresample Merge commit '744d813bcf' into release/2.4 2015-05-19 21:07:02 +02:00
libavutil libavutil/opt: Small bugfix in example. 2017-08-23 13:15:16 +02:00
libpostproc postproc: fix unaligned access 2017-08-23 13:15:16 +02:00
libswresample swresample/swresample: Fix integer overflow in seed calculation 2015-12-06 12:40:48 +01:00
libswscale swscale/swscale_unscaled: Try to fix Rgb16ToPlanarRgb16Wrapper() with slices 2017-08-23 13:15:16 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/dcaenc: clear bitstream end 2015-08-20 14:38:28 +02:00
tools tools/graph2dot: use larger data types than int for array/string sizes 2015-06-01 23:25:20 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-12-01 08:02:37 -05:00
.gitignore avcodec: export motion vectors in frame side data on demand 2014-08-18 14:13:57 +02:00
arch.mak Merge commit '8675bcb0ad' 2014-04-07 02:15:18 +02:00
Changelog Update for 2.4.13 2016-02-01 02:28:54 +01:00
cmdutils.c cmdutils: fix implicit declaration of SetDllDirectory function 2017-08-23 13:15:16 +02:00
cmdutils.h cmdutils: remove the current working directory from the DLL search path on win32 2017-08-23 13:15:16 +02:00
cmdutils_common_opts.h ffmpeg: add -devices param 2014-05-28 03:52:50 +02:00
cmdutils_opencl.c OpenCL: Avoid potential buffer overflow in cmdutils_opencl.c 2015-06-01 23:25:21 +02:00
common.mak Merge commit 'afe1762654' 2014-05-20 03:33:30 +02:00
configure cmdutils: check for SetDllDirectory() availability 2017-08-23 13:15:16 +02:00
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 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
ffmpeg.c cmdutils: remove the current working directory from the DLL search path on win32 2017-08-23 13:15:16 +02:00
ffmpeg.h ffmpeg: Enable compute_edt only when the subtitles are used for a output stream instead of a filter 2014-09-01 19:51:58 +02:00
ffmpeg_dxva2.c Merge commit 'a7c5fddac8' 2014-04-30 00:46:38 +02:00
ffmpeg_filter.c ffmpeg: Do av_buffersink_set_frame_size() when reconfiguring the filtergraph not just when changing audio resample parameters 2014-09-11 04:55:58 +02:00
ffmpeg_opt.c ffmpeg_opt: Check for localtime() failure 2015-08-20 14:29:12 +02:00
ffmpeg_vda.c vda: unlock the pixel buffer base address. 2015-08-20 14:38:26 +02:00
ffmpeg_vdpau.c Merge commit '7671dd7cd7' 2013-11-23 14:46:48 +01:00
ffplay.c cmdutils: remove the current working directory from the DLL search path on win32 2017-08-23 13:15:16 +02:00
ffprobe.c cmdutils: remove the current working directory from the DLL search path on win32 2017-08-23 13:15:16 +02:00
ffserver.c cmdutils: remove the current working directory from the DLL search path on win32 2017-08-23 13:15:16 +02:00
INSTALL.md INSTALL: add markdown syntax 2014-05-28 22:38:38 +02:00
library.mak Merge commit 'bb0babd705' 2014-07-22 02:45:45 +02:00
LICENSE.md Merge commit '9e8bbe7d4d' 2014-08-29 01:08:57 +02:00
MAINTAINERS MAINTAINERS: add myself as an OS/2 maintainer 2017-08-23 13:15:16 +02:00
Makefile Makefile: add dependencies which require ffversion.h 2014-12-20 04:34:45 +01:00
README.md Merge commit '96ce6d6f11' 2014-08-17 21:41:55 +02:00
RELEASE Update for 2.4.13 2016-02-01 02:28:54 +01:00
RELEASE_NOTES RELEASE_NOTES: add H.261 & HEVC RTP support 2014-09-16 11:34:50 +02:00
version.sh version.sh: Print versions based on the last git tag for release branches 2014-07-28 15:44:59 +02:00

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 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 analisys 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

Conding examples are available in the doc/example directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.