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wm4 511585ce7f matroskadec: export cover art correctly
Generally, libavformat exports cover art pictures as video streams with
1 packet and AV_DISPOSITION_ATTACHED_PIC set. Only matroskadec exported
it as attachment with codec_id set to AV_CODEC_ID_MJPEG.

Obviously, this should be consistent, so change the Matroska demuxer to
export a AV_DISPOSITION_ATTACHED_PIC pseudo video stream.

Matroska muxing is probably incorrect too. I know that it can create
broken files with an audio track and just 1 video frame when e.g.
remuxing mp3 with APIC to mkv. But for now this commit does not change
anything about muxing, and also continues to write attachments with
AV_CODEC_ID_MJPEG should the muxer application have special knowledge
that the Matroska is broken in this way.

Fixes trac #4423.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-04-04 02:25:56 +02:00
compat
doc doc/examples: Handle new types in avio_list_dir 2015-04-03 04:09:40 +02:00
libavcodec mpeg4: use a self-explanatory #define MAX_NVOP_SIZE 2015-04-04 02:23:58 +02:00
libavdevice
libavfilter filtfmts: Avoid null pointer dereference 2015-04-03 17:23:45 +02:00
libavformat matroskadec: export cover art correctly 2015-04-04 02:25:56 +02:00
libavresample
libavutil lavu/dict: add more tests 2015-04-02 23:15:57 +02:00
libpostproc
libswresample
libswscale
presets
tests tests/fate/hevc: Use a bitexact scaler in the hevc param change test to avoid failing on non x86 2015-04-03 22:48:33 +02:00
tools tools/sidxindex: Use av_*malloc_array() 2015-04-01 17:43:25 +02:00
.gitattributes
.gitignore
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
Changelog apng: Add a basic APNG muxer 2015-04-02 04:52:59 +02:00
INSTALL.md
LICENSE.md
MAINTAINERS MAINTAINERS: add Reynaldo as a Twitter maintainer 2015-04-03 15:59:17 -08:00
Makefile
README.md
RELEASE
arch.mak
cmdutils.c cmdutils: fix "Commmand" typo 2015-04-03 10:43:21 -08:00
cmdutils.h
cmdutils_common_opts.h
cmdutils_opencl.c
common.mak
configure apng: Add a basic APNG encoder 2015-04-02 04:02:43 +02:00
ffmpeg.c Merge commit '3892bdab9b652eb003ab95e167f1765e0b0ea035' 2015-04-04 00:38:02 +02:00
ffmpeg.h ffmpeg: last frame duplication heuristic 2015-04-03 19:09:31 +02:00
ffmpeg_dxva2.c
ffmpeg_filter.c
ffmpeg_opt.c Merge commit '3892bdab9b652eb003ab95e167f1765e0b0ea035' 2015-04-04 00:38:02 +02:00
ffmpeg_vda.c
ffmpeg_vdpau.c
ffplay.c
ffprobe.c
ffserver.c
ffserver_config.c
ffserver_config.h
library.mak
version.sh

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.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.