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Martin Storsjö e2ce163922 mpegts: Support running the write_trailer function without an AVIOContext 
If opening and closing dynamic buffers as AVIOContext, we may
not have any AVIOContext available when wanting to close and
deallocate the muxer. Allow calling write_trailer despite this.

Signed-off-by: Martin Storsjö <martin@martin.st>
2014-12-19 23:13:04 +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 doc: Use the correct @subsection tag 2014-12-07 21:50:47 +01:00
libavcodec on2avc: check number of channels 2014-12-19 08:01:47 +01:00
libavdevice xcbgrab: Move NULL check before pointer dereference 2014-12-18 23:27:14 +01:00
libavfilter lavfi: always check av_expr_parse_and_eval() return value 2014-12-18 23:27:14 +01:00
libavformat mpegts: Support running the write_trailer function without an AVIOContext 2014-12-19 23:13:04 +02:00
libavresample avresample: Make sure the even check does not overflow 2014-10-18 16:15:10 +01:00
libavutil check memory errors from av_strdup() 2014-12-18 23:27:14 +01:00
libswscale swscale: Properly scale YUV 2014-12-05 13:03:49 +00:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests fate: add test for offset theora 2014-12-18 23:22:59 +01:00
tools sidxindex: Write mimeType=audio/mp4 for audio-only representations 2014-11-24 09:23:14 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.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 check memory errors from av_strdup() 2014-12-18 23:27:14 +01:00
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 check memory errors from av_strdup() 2014-12-18 23:27:14 +01:00
Changelog oggdec: add support for VP8 demuxing 2014-12-18 23:27:07 +01:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
cmdutils.c check memory errors from av_strdup() 2014-12-18 23:27:14 +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 arm: Use .data.rel.ro for const data with relocations 2014-12-09 11:43:25 +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 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.