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Andreas Rheinhardt e9b6617579 avcodec/pthread_frame: Fix cleanup during init 
In case an error happened when setting up the child threads,
ff_frame_thread_init() would up until now call ff_frame_thread_free()
to clean up all threads set up so far, including the current, not
properly initialized one.
But a half-allocated context needs special handling which
ff_frame_thread_frame_free() doesn't provide.
Notably, if allocating the AVCodecInternal, the codec's private data
or setting the options fails, the codec's close function will be
called (if there is one); it will also be called if the codec's init
function fails, regardless of whether the FF_CODEC_CAP_INIT_CLEANUP
is set. This is not supported by all codecs; in ticket #9099 it led
to a crash.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2021-03-26 03:04:28 +01:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc doc/filters: fix option name for mix filter 2021-03-24 16:52:02 +05:30
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: Fix cleanup during init 2021-03-26 03:04:28 +01:00
libavdevice Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libavfilter lavfi/dnn_backend_tensorflow.c: fix mem leak in execute_model_tf 2021-03-25 13:10:32 +08:00
libavformat avformat/libmodplug: Fix memleaks on error 2021-03-26 03:03:59 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/frame: Deprecate av_get_colorspace_name() 2021-03-24 08:00:57 +01:00
libpostproc Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswresample Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswscale Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
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tests tests/dnn/dnn-layer-mathunary-test: add unit test for exp 2021-03-24 13:57:19 +08:00
tools lavfi/dnn/dnn_backend_native_layer_mathunary: add exp support 2021-03-24 13:53:50 +08:00
.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 '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
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CREDITS
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Changelog avformat: add Changelog entry for librist and bump minor 2021-03-13 17:36:48 +01:00
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: add myself as adpcm maintainer 2021-03-25 12:51:10 +10:00
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 Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00
configure configure: select child muxers for rtp_mpegts 2021-03-21 15:50:23 +05:30

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.