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Andreas Rheinhardt 9c6feb104d avcodec/sheervideo: Don't leave context in inconsistent state upon error 
This has happened if the format changed midstream and if the new packet
is so small that it is instantaneously rejected: In this case the VLC
tables were for the new format, although the context says that they are
still the ones for the old format. It can also happen if the format
changed midstream and the allocation of the new tables fails. If the
next packet is a packet for the old format, the decoder thinks it
already has the correct VLC tables, leading to a segfault.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 8969b9aa06)
2021-02-27 07:20:58 +01:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc Update for 4.3.2 2021-02-02 14:55:32 +01:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools fftools/ffmpeg: Fix leak of AVFilterInOut in case of error 2021-02-27 07:20:56 +01:00
libavcodec avcodec/sheervideo: Don't leave context in inconsistent state upon error 2021-02-27 07:20:58 +01:00
libavdevice Bump minor versions to separate 4.3 from master 2020-06-08 22:49:04 +02:00
libavfilter avfilter/vf_minterpolate: Fix left shift of negative value 2021-02-27 07:20:58 +01:00
libavformat avformat/movenc: Don't forget to free fragment buffers 2021-02-27 07:20:58 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil libavutil/eval: Remove CONFIG_TRAPV special handling 2021-02-20 14:21:24 +01:00
libpostproc Bump minor versions to separate 4.3 from master 2020-06-08 22:49:04 +02:00
libswresample swresample/audioconvert: Fix left shift of negative value 2021-02-27 07:20:58 +01:00
libswscale swscale/x86/yuv2rgb: fix crashes when loading alpha from unaligned buffers 2020-11-02 00:51:05 +01:00
presets
tests lavf/url: fix relative url parsing when the query string or fragment has a colon 2020-10-28 21:41:21 +01:00
tools tools/target_dec_fuzzer: enable mjpeg for tiff or tdsc 2020-06-08 20:45:56 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: fix 3-address entries 2020-03-31 04:14:14 -05:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update 2021-02-20 14:22:23 +01:00
configure configure: update copyright year 2021-01-01 09:44:00 +05:30
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS oggdec: remove the oggparsedaala subdemuxer 2020-05-23 19:07:20 +01:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Update for 4.3.2 2021-02-02 14:55:32 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 2020-06-14 22:02:34 +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 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.