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Martin Storsjö 7cad1bf075 mov: Allow more than one keyframe per trun 
The previous restriction was partially designed to fix certain
(broken) samples from bug 215. There should be no restriction on the
number of keyframes per fragment or trun.

The spec suggests that all frames lacking MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
are key frames, but we require the flag MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
to be unset as well. This works for (possibly broken) media that never
sets the NON_SYNC flag and should also be correct for any spec-compliant
file.

For files that never set either of the flags, all samples are marked
as keyframes.

Signed-off-by: Martin Storsjö <martin@martin.st>
2015-09-06 21:24:37 +03:00
compat
use a wrapper script to call MS link.exe to avoid mixing with /usr/bin/link.exe
2015-07-24 18:21:22 +03:00
doc
DXV decoder
2015-09-02 22:22:02 +02:00
libavcodec
dxtory: Unify and rework the decoding routines
2015-09-06 14:16:38 +02:00
libavdevice
Bump major versions of all libraries
2015-08-28 16:04:28 +02:00
libavfilter
Bump major versions of all libraries
2015-08-28 16:04:28 +02:00
libavformat
mov: Allow more than one keyframe per trun
2015-09-06 21:24:37 +03:00
libavresample
lavr: Remove unused label
2015-08-31 15:24:41 +02:00
libavutil
des: Add missing include
2015-08-31 17:06:32 +02:00
libswscale
Bump major versions of all libraries
2015-08-28 16:04:28 +02:00
presets
presets: spelling error in libvpx 1080p50_60
2011-10-22 00:28:56 +02:00
tests
checkasm: add unit tests for v210enc
2015-09-06 10:36:24 +02:00
tools
tools: Drop a stale header
2015-08-31 21:37:18 +02:00
.gitattributes
Treat all '*.pnm' files as non-text file
2014-11-28 17:52:43 -05:00
.gitignore
Checkasm: assembly testing and benchmarking tool
2015-07-12 16:39:07 +02:00
.travis.yml
build: Add support for travis CI
2015-08-30 12:54:05 +02:00
arch.mak
ppc: vsx: Implement float_dsp
2015-05-31 12:07:11 +02:00
avconv_dxva2.c
avconv_dxva2: add hevc support
2015-01-27 09:06:05 +01:00
avconv_filter.c
avconv: split creating and (re-)configuring complex filtergraphs
2015-07-19 09:38:53 +02:00
avconv_opt.c
avconv_opt: Add an option that lists all supported hwaccels
2015-08-26 05:18:43 +02:00
avconv_vda.c
avconv: vda: Unlock the pixel buffer once it is accessed
2015-07-09 00:10:13 +02:00
avconv_vdpau.c
avconv_vdpau: allocate video surface of VDPAU-specified size
2014-12-25 20:47:49 +01:00
avconv.c
lavc: Consistently prefix input buffer defines
2015-07-27 15:24:59 +01:00
avconv.h
Add a quality factor packet side data
2015-07-20 15:06:47 +01:00
avplay.c
lavc: AV-prefix all codec capabilities
2015-07-27 15:24:58 +01:00
avprobe.c
avprobe: Print the display matrix from per-stream sidedata
2015-05-02 22:09:09 +03:00
Changelog
DXV decoder
2015-09-02 22:22:02 +02:00
cmdutils_common_opts.h
avplay: Accept cpuflags option
2013-10-22 10:49:31 +02:00
cmdutils.c
lavc: AV-prefix all codec capabilities
2015-07-27 15:24:58 +01:00
cmdutils.h
avconv: use read_file() for reading the 2pass stats
2015-07-19 09:37:11 +02:00
common.mak
checkasm: Always link statically
2015-07-21 23:22:42 +02:00
configure
DXV decoder
2015-09-02 22:22:02 +02:00
COPYING.GPLv2
Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1.
2009-06-05 09:51:31 +00:00
COPYING.GPLv3
Add configure option to upgrade (L)GPL to version 3.
2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1
cosmetics: Delete empty lines at end of file.
2012-02-09 12:26:45 +01:00
COPYING.LGPLv3
Add configure option to upgrade (L)GPL to version 3.
2009-06-05 11:04:03 +00:00
CREDITS
partially rename FFmpeg to Libav
2011-03-16 21:54:39 +01:00
INSTALL
doc: clarify configure features
2011-04-07 02:54:12 +02:00
library.mak
build: Support executable only ldflags
2014-07-21 22:18:35 +02:00
LICENSE
license: Mention that vf_interlace is GPL, not LGPL
2014-08-28 19:47:43 +02:00
Makefile
checkasm: Always link statically
2015-07-21 23:22:42 +02:00
README
doc: Add more information in the README
2014-08-16 00:49:22 +02:00
README.md
doc: Add more information in the README
2014-08-16 00:49:22 +02:00
RELEASE
Make the RELEASE file match with the most recent tag
2014-12-01 07:51:14 -05:00
version.sh
Drop git- prefix from version labels
2011-06-19 19:41:23 +01:00

README.md

Libav

Libav 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.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys 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

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Description
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