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Janne Grunau d7595de0b2 aarch64: vp9: use alternative returns in the core loop filter function Since aarch64 has enough free general purpose registers use them to branch to the appropiate storage code. 1-2 cycles faster for the functions using loop_filter 8/16, ... on a cortex-a53. Mixed results (up to 2 cycles faster/slower) on a cortex-a57.		2016-11-16 09:05:18 +01:00
compat	Add a compat dummy stdatomic.h used when threading is disabled	2016-10-02 18:57:56 +02:00
doc	examples/decode_audio: Add missing header for av_free()	2016-11-10 10:33:19 +01:00
libavcodec	aarch64: vp9: use alternative returns in the core loop filter function	2016-11-16 09:05:18 +01:00
libavdevice	Use avpriv_report_missing_feature() where appropriate	2016-11-08 17:54:34 +01:00
libavfilter	af_asyncts: Use llabs instead of labs for 64-bit variable	2016-11-15 09:41:08 +01:00
libavformat	Drop pointless void* casts	2016-11-13 18:44:01 +01:00
libavresample	…
libavutil	arm: Clear the gp register alias at the end of functions	2016-11-10 14:01:04 +02:00
libswscale	swscale: Add GRAY12	2016-11-07 22:42:00 +01:00
presets	…
tests	checkasm: add vp9dsp.itxfm_add tests.	2016-11-11 11:09:05 +02:00
tools	aviocat: Support avio options	2016-10-25 15:43:56 +02:00
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Changelog	Changelog: mark the release 12 branch	2016-08-31 08:08:32 +02:00
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Makefile	build: Hardcode avversion.h dependency	2016-10-27 11:54:06 +02:00
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avconv.c	avconv: Drop stray leftover debug output	2016-11-09 20:51:55 +01:00
avconv.h	avconv: support parsing bitstream filter options	2016-11-02 10:08:28 +01:00
avconv_dxva2.c	…
avconv_filter.c	avconv: make sure the filtergraph is freed on init failure	2016-10-02 11:41:45 +02:00
avconv_opt.c	avconv_opt: Consistently iterate through hwaccels array in all cases	2016-11-13 19:06:38 +01:00
avconv_qsv.c	…
avconv_vaapi.c	avconv_vaapi: Convert to use hw_frames_ctx only	2016-08-30 22:16:01 +01:00
avconv_vda.c	…
avconv_vdpau.c	…
avplay.c	avplay: Correct function pointer assignments in options array	2016-11-08 17:20:30 +01:00
avprobe.c	avprobe: Add -show_stream_entry to get a single stream property	2016-11-01 11:27:52 -04:00
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cmdutils_common_opts.h	…
common.mak	…
configure	configure: Move mjpeg_vaapi_decoder dependency declarations to the right place	2016-11-16 08:21:05 +01:00
library.mak	build: Drop duplicate asm recipe	2016-10-17 16:25:35 +02:00
version.sh	build: remove hardcoded name of version header	2016-09-15 21:59:15 +02:00

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.