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Michael Niedermayer 8f15248024 avcodec/aacdec_template: Allow duplicated elements 
Such streams are invalid according to
4.5.2.1 Top level payloads for the audio object types AAC main, AAC SSR, AAC LC and AAC LTP
4.5.2.1.1 Definitions
...cIn the raw_data_block(), several instances of the
same syntactic element may occur, but must have a different 4 bit
element_instance_tag, except for data_stream_element()'s and
fill_element()'s.

Fixes: Ticket7477

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-12 00:53:14 +02:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc avfilter/af_afir: remove again option, merge it with gtype 2018-10-10 20:04:25 +02:00
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fftools ffmpeg: check return value of avcodec_parameters_from_context 2018-10-09 21:46:28 +02:00
libavcodec avcodec/aacdec_template: Allow duplicated elements 2018-10-12 00:53:14 +02:00
libavdevice avdevice/decklink_dec: add option to align capture start time 2018-09-30 21:09:12 +02:00
libavfilter lavu/hwcontext_qsv: Add support for AV_PIX_FMT_BGRA. 2018-10-11 13:26:59 +08:00
libavformat avformat/dashenc: only write video streams into HLS master playlist 2018-10-11 12:46:31 +05:30
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil lavu/qsv: make a copy as libmfx alignment requirement for uploading 2018-10-11 13:26:59 +08:00
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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.