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James Almer d17624507a avcodec/utils: don't return negative values in av_get_audio_frame_duration() 
In some extrme cases, like with adpcm_ms samples with an extremely high channel
count, get_audio_frame_duration() may return a negative frame duration value.
Don't propagate it, and instead return 0, signaling that a duration could not
be determined.

Fixes ticket #9312

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit e01d306c64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2021-10-06 13:56:53 +02:00
compat
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doc Update missed irc links 2021-10-06 13:54:16 +02:00
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fftools
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libavcodec avcodec/utils: don't return negative values in av_get_audio_frame_duration() 2021-10-06 13:56:53 +02:00
libavdevice
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libavfilter avfilter/af_drmeter: Check that there is data 2021-10-06 13:54:16 +02:00
libavformat network: Define ENOTCONN as WSAENOTCONN if not defined 2021-10-06 13:56:53 +02:00
libavresample
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libavutil avutil/common: Add FF_PTR_ADD() 2021-09-10 16:04:26 +02:00
libpostproc
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libswresample
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libswscale swscale/slice: Fix wrong return on error 2021-10-06 13:54:16 +02:00
presets
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tools tools/cws2fws: Check read() for failure 2021-10-06 13:54:16 +02:00
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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.