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Steven Liu 756897eff4 avformat/dashdec: check init_section before use it. 
because there have no Initialization in SegmentTemplate,
so it will have no init_section for init segment file.
but in the is_common_init_section_exist function it will be used for
check to url, url_offset and size, so check init_section
before use init_section.
And fix code style in is_common_init_section_exist,
make the code block short when it too long.

fix ticket: 9062

Signed-off-by: liuqi05 <liuqi05@kuaishou.com>
2021-02-04 10:30:32 +08:00
compat
doc avfilter: add colorcorrect filter 2021-02-03 15:49:13 +01:00
ffbuild
fftools fftools/ffmpeg_filter: Make functions only used locally static 2021-02-02 23:53:30 +01:00
libavcodec avformat/cdxl: add support for custom 24bit pal8 formats 2021-02-03 19:11:35 +01:00
libavdevice
libavfilter avfilter/avfilter: mark enable as runtime option too 2021-02-03 15:51:40 +01:00
libavformat avformat/dashdec: check init_section before use it. 2021-02-04 10:30:32 +08:00
libavresample
libavutil
libpostproc
libswresample
libswscale
presets
tests avformat/cdxl: rework probe and fix sample rate and frame rate 2021-02-04 00:57:49 +01:00
tools
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Changelog avfilter: add colorcorrect filter 2021-02-03 15:49:13 +01:00
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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.