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Jun Zhao 0a347ff422 lavf/matroskaenc: Fix memory leak after write trailer 
Fix memory leak after write trailer for #7827, only store a audio
packet whose buffer has size greater than zero in cur_audio_pkt.

Audio packets with size zero, but with side-data currently lead to
memleaks, in the Matroska muxer, because they are not properly freed:

They are currently put into an AVPacket in the MatroskaMuxContext to
ensure that the necessary audio is always available for a new cluster,
but are only written and freed when their size is > 0.

As the only use we have for such packets consists in updating the
CodecPrivate it makes no sense to store these packets at all and this
is how this commit solves the memleak.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@googlemail.com>
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
2019-04-09 09:16:07 +08:00
compat additional math.h functions for djgpp 2018-11-28 22:16:07 +11:00
doc doc/examples/metadata: fix the example can't dump FLV metadata 2019-04-07 10:18:42 +08:00
ffbuild Merge commit '7e5bde93a1' 2019-03-10 19:31:13 -03:00
fftools fftools/ffmpeg: Check if we do have also a filter_complex filter. 2019-03-28 21:29:20 +01:00
libavcodec avcodec/agm: Fix integer overflow with w/h 2019-04-05 12:05:47 +02:00
libavdevice lavd/x11grab: fix vertical repositioning 2019-04-06 15:20:36 +02:00
libavfilter avfilter/af_asetnsamples: use correct function 2019-04-07 21:15:13 +02:00
libavformat lavf/matroskaenc: Fix memory leak after write trailer 2019-04-09 09:16:07 +08:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/hcontext_cuda: Remove unnecessary stream synchronisation 2019-03-30 10:56:49 -07:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2018-12-22 17:41:44 +01:00
libswresample Bump minor version for master after 4.1 branchpoint 2018-11-02 00:53:07 +01:00
libswscale swscale/ppc: VSX-optimize yuv2rgb_full_X 2019-04-07 09:20:34 +03:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests FATE: Add test for HEVC files that claim to have two first slices 2019-04-05 14:16:52 +01:00
tools tools/target_dec_fate.list: add issues 4000 to 6000 2019-03-20 21:12:45 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore Remove the ffserver program 2018-01-06 18:31:37 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog lavf/flvdec: added support for KUX container 2019-04-06 15:54:38 +02:00
configure configure: include pkgconfig path as vaapi header search 2019-03-28 21:47:15 +08:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md Merge commit '4fef648d10' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: remove myself as mailing list maintainer 2019-03-21 11:34:13 -08:00
Makefile Merge commit '7e5bde93a1' 2019-03-10 19:31:13 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: bump to 4.1.git 2018-11-02 00:55:49 +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.