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Andreas Rheinhardt 562ff3ee0e avcodec/pthread_frame: Check initializing mutexes/condition variables 
Up until now, initializing the mutexes/condition variables wasn't
checked by ff_frame_thread_init(). This commit changes this.

Given that it is not documented to be save to destroy a zeroed but
otherwise uninitialized mutex/condition variable, one has to choose
between two approaches: Either one duplicates the code to free them
in ff_frame_thread_init() in case of errors or one records which have
been successfully initialized. This commit takes the latter approach:
For each of the two structures with mutexes/condition variables
an array containing the offsets of the members to initialize is added.
Said array is used both for initializing and freeing and the only thing
that needs to be recorded is how many of these have been successfully
initialized.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit c85fcc96b7)
2021-04-08 11:53:03 +02:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc Update versions for 4.4 2021-03-20 01:01:12 +01:00
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools fftools/ffmpeg: use av_packet_alloc() to allocate packets 2021-03-17 15:19:38 -03:00
libavcodec avcodec/pthread_frame: Check initializing mutexes/condition variables 2021-04-08 11:53:03 +02:00
libavdevice Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
libavfilter avfilter/vf_codecview: Fix undefined left shifts of negative numbers 2021-04-02 21:41:26 +02:00
libavformat avformat/vividas: Fix crash when seeking without audio stream 2021-04-03 07:20:39 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/pixdesc: Fix 1 << 32 2021-04-02 21:41:47 +02:00
libpostproc Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
libswresample libswresample/audioconvert: Fix undefined NULL + 0 2021-04-02 21:39:54 +02:00
libswscale libswscale/x86/yuv2yuvX: Removes unrolling for mmx and mmxext 2021-04-03 19:43:39 +02:00
presets
tests tests/checkasm/sw_scale: adds additional tests sizes for yux2yuvX 2021-04-03 19:43:39 +02:00
tools tools/target_dem_fuzzer: Fix packet leak 2021-04-01 11:38:45 +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: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog avformat: add Changelog entry for librist and bump minor 2021-03-13 17:36:48 +01:00
configure configure: select child muxers for rtp_mpegts 2021-03-26 14:42:34 +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 MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile avcodec: move core AVCodecContext functions from util.c to a new file 2021-03-19 15:35:35 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Update versions for 4.4 2021-03-20 01:01:12 +01:00

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.