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Andreas Rheinhardt 2fdd500efe libavformat/mov: Fix memleaks when demuxing DV audio 
The code for demuxing DV audio predates the introduction of refcounted
packets and when the latter was added, changes to the former were
forgotten. This meant that when avpriv_dv_produce_packet initialized the
packet containing the AVBufferRef, the AVBufferRef as well as the
underlying AVBuffer leaked; the actual packet data didn't leak: They
were directly freed, but not via their AVBuffer's free function.

https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4671/dir1.tar.bz2
contains samples for this (enable_drefs needs to be enabled for them).

Moreover, errors in avpriv_dv_produce_packet were ignored; this has been
changed, too.

Furthermore, in the hypothetical scenario that the track has a palette,
this would leak, too, so reorder the code so that the palette code
appears after the DV audio code.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 61f5c6ab06)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-07-02 01:01:32 +02:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
ffbuild Merge commit '17b6c7efb4' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg_opt: Check attachment filesize 2020-07-02 00:03:01 +02:00
libavcodec avcodec/cinepakenc: Fix invalid shifts 2020-07-02 00:27:48 +02:00
libavdevice Bump minor versions for branching 4.1 2018-11-02 00:15:32 +01:00
libavfilter avfilter/vf_xbr: Fix left shift of negative number 2020-07-01 22:31:20 +02:00
libavformat libavformat/mov: Fix memleaks when demuxing DV audio 2020-07-02 01:01:32 +02:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/encryption_info: Don't pass NULL to memcpy 2020-07-01 22:25:36 +02:00
libpostproc postproc/postprocess_template: remove FF_REG_sp from clobber list 2019-01-21 07:53:26 +01:00
libswresample Bump minor versions for branching 4.1 2018-11-02 00:15:32 +01:00
libswscale swscale/utils: Fix invalid left shifts of negative numbers 2020-07-01 22:29:20 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/fitsdec: Use lrint() 2020-01-06 15:03:15 +01:00
tools tools/target_dec_fuzzer: Free parser in case of avcodec_open2() failure 2020-01-06 11:30:42 +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 '4809781586' 2017-10-28 15:08:31 -03:00
Changelog Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
configure configure: bump year 2020-01-06 15:03:15 +01:00
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
LICENSE.md Merge commit '4fef648d10' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: remove myself as hls demuxer maintainer 2018-10-16 01:18:00 +03:00
Makefile avcodec/parser: move parsers list and related API to its own file 2018-07-21 16:08:29 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Update for FFmpeg 4.1.5 2020-01-06 16:38:20 +01:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.0 2018-11-02 01:36:21 +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.