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James Almer 55fe72a841 matroskadec: don't warn about unknown spherical medata when none is present 
track->video.projection.type is set to 0 (a Matroska specific "No spherical
metadata present" value, with no related AVSphericalMapping) by default on
files without the element.

This removes bogus warnings on every single matroska file without Spherical
metadata.

Signed-off-by: James Almer <jamrial@gmail.com>
2017-11-03 19:41:08 -03:00
avbuild msvc: Properly specify dllexport for data symbols shared across dll boundaries 2017-08-31 14:22:06 +03:00
avtools avconv: when using -loop option bail out if seek to start fails 2017-07-28 13:13:44 +02:00
compat build: Drop support for legacy TI ARM compiler 2017-10-25 13:39:58 +02:00
doc doc: Provide better examples for hls and segment muxing 2017-10-27 19:52:48 +02:00
libavcodec libspeexenc: Use speex_lib_get_mode instead of the speex_foo_mode data symbols 2017-11-04 00:01:15 +02:00
libavdevice Remove dv1394 input device 2017-10-13 23:57:59 +02:00
libavfilter vaapi: Always free parameter buffers after vaEndPicture() with libva2 2017-10-25 00:00:49 +01:00
libavformat matroskadec: don't warn about unknown spherical medata when none is present 2017-11-03 19:41:08 -03:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil build: Drop support for legacy TI ARM compiler 2017-10-25 13:39:58 +02:00
libswscale build: Drop check for sys/mman.h in favor of mmap() check 2017-10-10 23:20:16 +02:00
presets
tests FATE: add a test for the H.264 sample fixed by 7c4f6f6 2017-10-19 16:38:51 +02:00
tools aviocat: Check for output write errors 2017-09-04 09:42:52 +03:00
.gitattributes
.gitignore build: Ignore generated .version files 2017-02-03 11:37:53 +01:00
.travis.yml travis: Exclude gcc for the macOS target 2017-04-20 12:53:08 +02:00
Changelog libavfilter/overlay_qsv: Add QSV overlay vpp filter 2017-09-17 19:59:06 +02:00
configure Revert "configure: Detect AIX ar command instead of hardcoding it in the OS section" 2017-11-03 16:46:27 +01:00
COPYING.GPLv2
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CREDITS
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LICENSE Remove the legacy X11 screen grabber 2016-07-29 19:03:10 +02:00
Makefile build: Delete compiler-generated compat files on 'make clean' 2017-10-19 19:44:06 +02:00
README.md
RELEASE Make the RELEASE file match with the most recent tag 2016-10-14 13:52:51 -04:00

README.md

Libav

Build Status

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.