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Justin Ruggles d2047c14c0 Use QT format for audio sample descriptors depending on stsd version. 
ISOBMFF does not allow AudioSampleEntryV1 in stsd version 0, so
assume the descriptor format is QTFF SoundDescriptionV1. ISOBMFF does
not define a version 2.

This fixes audio decoding for some MP4 files generated with Apple
tools. The additional fields present in SoundDescriptionV1/V2 need to
be read in order to correctly read additional boxes that contain
information required for decoding the stream.

Fixes #7376.

Also see: https://github.com/HandBrake/HandBrake/issues/1555

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
2018-09-09 19:52:53 +01:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc avfilter: add lut1d filter 2018-09-07 21:44:03 +02:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools ffplay: add option to allow custom seek interval 2018-09-05 23:52:56 +05:30
libavcodec avcodec/scpr: stop checking for overread twice 2018-09-09 14:06:57 +02:00
libavdevice avdevice/decklink_enc: print preroll and buffer size 2018-08-24 10:15:32 +05:30
libavfilter avfilter/vf_remap: add slice threading 2018-09-09 19:57:14 +02:00
libavformat Use QT format for audio sample descriptors depending on stsd version. 2018-09-09 19:52:53 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/mips: [loongson] simplify macro TRANSPOSE_4H and TRANSPOSE_8B 2018-09-09 12:01:07 +02:00
libpostproc Bump minor versions after release/4.0 branching 2018-04-16 12:35:12 +02:00
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-07-26 02:42:42 +02:00
libswscale swscale/swscale : small cosmetic 2018-08-22 11:36:15 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avfilter: add support for gray14 format 2018-09-09 19:10:44 +02:00
tools tools/qt-faststart: Allow free atoms after moov atom. 2018-08-01 00:49:54 +02:00
.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 '4809781586d1c956005f72946a2aab5915eab350' 2017-10-28 15:08:31 -03:00
Changelog avcodec: add RemotelyAnywhere Screen Capture decoder 2018-09-08 15:59:10 +02:00
configure avcodec: add RemotelyAnywhere Screen Capture decoder 2018-09-08 15:59:10 +02:00
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 INSTALL: add markdown syntax 2014-05-28 22:38:38 +02:00
LICENSE.md Merge commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c' 2017-03-15 22:07:47 +01:00
MAINTAINERS MAINTAINERS: add myself to MIPS section 2018-08-08 01:00:10 +02:00
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 RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00

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.