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Andreas Rheinhardt d026fef999 avformat/utils: Fix memleak when decoding subtitle in find_stream_info 
avformat_find_stream_info() may decode some frames to get stream
information. And when it does this for subtitles, the decoded subtitles
leak.

(Decoding subtitles was added in b1511e00f6
for PGS subtitles. When PGS subtitles originate from a container that
exports every segment as a packet of its own, no output will be
generated when decoding a packet, because not enough input is available.
Yet when used with PGS subtitles in the Matroska form a single packet
contains enough data to generate output. Yet said output is not freed,
hence this leak.)

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-04-20 18:35:00 +02:00
compat compat/avisynth: remove avisynth headers 2020-04-05 01:17:55 +02:00
doc avfilter: add maskedthreshold filter 2020-04-18 12:34:49 +02:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools cmdutils: stop using deprecated av_codec_next() 2020-04-20 14:50:03 +00:00
libavcodec avcodec/bsf: Use macro for "packet is empty" 2020-04-20 18:25:02 +02:00
libavdevice avdevice/opengl: add support of wrapped avframe codec 2020-04-16 23:52:12 +02:00
libavfilter avfilter: add maskedthreshold filter 2020-04-18 12:34:49 +02:00
libavformat avformat/utils: Fix memleak when decoding subtitle in find_stream_info 2020-04-20 18:35:00 +02:00
libavresample
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libavutil avutil/log: update text requesting samples 2020-04-17 00:08:56 +02:00
libpostproc libavcodec, libpostproc: Remove outcommented START/STOP_TIMER 2020-03-14 18:24:04 +01:00
libswresample Silence "string-plus-int" warning shown by clang. 2020-01-06 22:38:56 +01:00
libswscale swscale: aarch64: Avoid using the x18 register 2020-04-20 00:09:34 +03:00
presets
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tests fate/matroska: Add test for chapters, Vorbis and WebM DASH 2020-04-19 00:25:05 +02:00
tools tools: stop using deprecated av_codec_next() 2020-04-20 15:08:20 +00:00
.gitattributes
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.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 '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avfilter: add maskedthreshold filter 2020-04-18 12:34:49 +02:00
INSTALL.md
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LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add my gpg fingerprint 2020-03-23 23:37:19 +01:00
Makefile Makefile: Delete more created files when running "make distclean". 2020-03-11 11:43:01 +01:00
README.md
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RELEASE RELEASE: Update value for post 4.2 branch 2019-07-21 18:37:32 +02:00
configure configure: add MLP parser as dependency to MLP and TrueHD demuxers 2020-04-19 15:58:45 -03:00

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.