generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
40,958 Commits 24 Branches 241 Tags 173 MiB
C 92.1%
Assembly 6%
Makefile 1.2%
C++ 0.3%
Objective-C 0.2%
Other 0.1%
ee37620b6a
Go to file
Martin Storsjö ee37620b6a movenc: Add a flag for indicating a discontinuous fragment 
This allows creating a later mp4 fragment without sequentially
writing the earlier ones before (when called from a segmenter).

Normally when writing a fragmented mp4 file sequentially, the
first timestamps of a fragment are adjusted to match the
end of the previous fragment, to make sure the timestamp is the
same, even if it is calculated as the sum of previous fragment
durations. (And for the first packet in a file, the offset of
the first packet is written using an edit list.)

When writing an individual mp4 fragment discontinuously like this
(with potentially writing the earlier fragments separately later),
there's a risk of getting a gap in the timeline if the duration
field of the last packet in the previous fragment doesn't match up
with the start time of the next fragment.

Using this requires setting -avoid_negative_ts make_non_negative
(or -avoid_negative_ts 0).

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-11-26 09:56:56 +02:00
compat w32pthreads: use the condition variable API directly when targeting newer versions of Windows 2014-10-10 11:27:30 +03:00
doc movenc: Remove an outdated comment 2014-11-08 11:13:37 +02:00
libavcodec vorbis_parser: Include stdint.h in the header, to make it work standalone 2014-11-25 14:01:46 +02:00
libavdevice v4l2: Unify one instance of reading/storing errno 2014-11-11 10:07:20 +02:00
libavfilter vf_interlace: x86: improve asm performance 2014-11-25 02:00:06 +00:00
libavformat movenc: Add a flag for indicating a discontinuous fragment 2014-11-26 09:56:56 +02:00
libavresample avresample: Make sure the even check does not overflow 2014-10-18 16:15:10 +01:00
libavutil lavu: move internal define to the only places where it is used 2014-11-24 01:30:14 +00:00
libswscale swscale: fix sign extensions in yuv planar conversion 2014-10-18 16:15:10 +01:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests vc1dec: refactor check with missing parenthesis 2014-11-13 01:41:25 +01:00
tools sidxindex: Write mimeType=audio/mp4 for audio-only representations 2014-11-24 09:23:14 +02:00
.gitignore fate: Split fate-pixdesc tests and dispatch them through Make 2014-08-01 01:18:30 -07:00
arch.mak aarch64: add armv8 CPU flag 2014-04-06 21:18:49 +02:00
avconv_dxva2.c avconv_dxva2: define all used GUIDs directly instead of relying on the dxva2api.h header 2014-04-29 16:50:43 +02:00
avconv_filter.c avconv: fix leak in filter error 2014-10-17 09:55:46 +01:00
avconv_opt.c avconv: fix parsing the AVOptions for -target 2014-08-27 06:21:55 +00:00
avconv_vda.c avconv: Support VDA hwaccel 2014-05-11 15:00:03 +02:00
avconv_vdpau.c avconv_vdpau: update to new VDPAU interface 2014-10-06 06:20:40 +00:00
avconv.c avconv: copy stream-level side data when streamcopying 2014-10-24 09:03:16 +02:00
avconv.h avconv: do not use the stream codec context for encoding 2014-06-01 08:33:21 +02:00
avplay.c avplay: Use av_gettime_relative 2014-10-24 09:53:44 +03:00
avprobe.c avprobe: Remove a pointless check 2014-10-17 09:55:46 +01:00
Changelog lavf: Add an MPEG-DASH ISOFF segmenting muxer 2014-11-17 16:17:07 +02:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
cmdutils.c cmdutils: Use the correct guard 2014-10-17 09:55:46 +01:00
cmdutils.h cmdutils: Mark exit_program as av_noreturn 2014-03-28 00:40:43 +01:00
common.mak build: export library dependencies in ${name}_FFLIBS 2014-05-20 00:43:51 +02:00
configure configure: Fix enabling memalign_hack automatically 2014-11-18 18:53:57 +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 configure: add support for neon intrinsics 2014-07-21 23:18:29 +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 Prepare for 11_beta2 Release 2014-08-23 10:12:16 -04:00
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.