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Justin Ruggles 4164b0e8d3 lavr: mix: reduce the mixing matrix when possible
If the matrix results in an output channel not getting a contribution
from any input channel and the corresponding input channel does not
contribute to any outputs, we can skip the channel during mixing and
silence it after mixing.

If the matrix results in an input channel not contributing to any output
channels and it is not in the output mix, or if the input channel only
contributes fully to the same output channel, we can skip the channel
during mixing.

If the matrix results in an output channel only getting full
contribution from the corresponding input channel and that input channel
does not contribute to any other output channels, we can skip the
channel during mixing.
2013-01-07 21:49:06 -05:00
compat build: Plan 9 support 2012-10-23 12:01:18 +01:00
doc lavr: add a public function for setting a custom channel map 2013-01-07 21:49:06 -05:00
libavcodec Drop Snow codec 2013-01-06 16:30:02 +01:00
libavdevice build: Avoid detecting bogus components named 'x' 2013-01-03 15:11:25 +02:00
libavfilter Drop unnecessary 'l' length modifier when printfing double values. 2012-12-31 11:20:45 +01:00
libavformat xwma: Remove unused variable 2013-01-07 13:25:20 +01:00
libavresample lavr: mix: reduce the mixing matrix when possible 2013-01-07 21:49:06 -05:00
libavutil x86: ABS1: port to cpuflags 2013-01-06 13:57:01 +01:00
libswscale swscale: fix NULL checking in sws_alloc_context() 2013-01-04 20:44:00 -05:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests Drop Snow codec 2013-01-06 16:30:02 +01:00
tools miscellaneous typo fixes 2012-12-21 00:18:34 +01:00
.gitignore doxygen: Build Doxygen documentation in the doc/ subdirectory 2012-10-23 20:25:30 +02:00
arch.mak arm: rename ARMVFP config symbol to VFP 2012-12-07 16:54:04 +00:00
avconv.c avconv: use new options parser. 2012-12-18 20:14:54 +01:00
avconv.h avconv: use new options parser. 2012-12-18 20:14:54 +01:00
avconv_filter.c cmdutils: add a macro to simplify grow_array() calls. 2012-12-18 20:11:06 +01:00
avconv_opt.c cmdutils: pass number of groups to split_commandline(). 2012-12-19 22:13:41 +01:00
avplay.c avplay: Do not use removed av_get_int() 2012-11-29 10:52:23 +01:00
avprobe.c avprobe: also output dar/par if only defined in stream 2013-01-04 12:55:58 +01:00
avserver.c avserver: replace av_read_packet with av_read_frame 2012-11-15 18:04:53 +01:00
Changelog finalize changelog for version 9 2013-01-05 00:20:33 +01:00
cmdutils.c cmdutils: update copyright year to 2013 2013-01-03 13:35:12 +02:00
cmdutils.h cmdutils: pass number of groups to split_commandline(). 2012-12-19 22:13:41 +01:00
cmdutils_common_opts.h cmdutils: extend -h to allow printing codec details. 2012-08-19 19:22:08 +02:00
common.mak build: fix 'clean' target 2012-12-10 17:23:53 +00:00
configure Drop Snow codec 2013-01-06 16:30:02 +01:00
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: fix 'clean' target 2012-12-10 17:23:53 +00:00
LICENSE doc: Clarify licensing issues arising from external libraries 2012-08-12 13:28:58 +02:00
Makefile build: fix 'clean' target 2012-12-10 17:23:53 +00:00
README cosmetics: fix dashed line length after 070c5d0 2011-03-28 09:53:40 +02:00
RELEASE Prepare for 10_alpha1 Release 2013-01-06 16:23:12 +01:00
version.sh Drop git- prefix from version labels 2011-06-19 19:41:23 +01:00

Libav README
------------

1) Documentation
----------------

* Read the documentation in the doc/ directory.

2) Licensing
------------

* See the LICENSE file.