gstreamer/gst/audioconvert
Bernhard Miller b2db18cda2 audioconvert: avoid float calculations when mixing integer-formatted channels
The patch calculates a second channel mixing matrix from the current one. The
matrix contains the original values * (2^10) as integers. This matrix is used
when integer-formatted channels are mixed.

On a ARM Cortex-A8, single core, 800MHz this improves performance in a
testcase from 29s to 9s for downmixing 6 channels to stereo.

https://bugzilla.gnome.org/show_bug.cgi?id=747005
2015-04-01 07:31:37 -07:00
..
.gitignore gst/audioconvert/gstaudioconvert.c: create channel conversion matrix when linking 2005-02-13 17:39:22 +00:00
audioconvert.c Constify some static arrays everywhere 2015-01-21 09:49:47 +01:00
audioconvert.h audioconvert: avoid float calculations when mixing integer-formatted channels 2015-04-01 07:31:37 -07:00
audioconvert.vcproj more working plugins 2004-07-27 21:41:30 +00:00
gstaudioconvert.c docs: remove outdated and pointless 'Last reviewed' lines from docs 2014-04-26 23:28:57 +01:00
gstaudioconvert.h Fix FSF address 2012-11-03 23:05:09 +00:00
gstaudioconvertorc-dist.c orc: update orc files 2015-01-27 13:39:14 +00:00
gstaudioconvertorc-dist.h Update disted orc backup files 2013-04-22 13:58:33 +01:00
gstaudioconvertorc.orc audioconvert: prefix orc functions with audio_convert_orc_ 2012-07-23 17:24:13 +02:00
gstaudioquantize.c audioconvert: Eliminate unsigned quantizers 2015-03-24 16:52:07 +01:00
gstaudioquantize.h Fix FSF address 2012-11-03 23:05:09 +00:00
gstchannelmix.c audioconvert: avoid float calculations when mixing integer-formatted channels 2015-04-01 07:31:37 -07:00
gstchannelmix.h Fix FSF address 2012-11-03 23:05:09 +00:00
gstfastrandom.h audioconvert: Avoid int division in quantization 2015-03-24 16:52:07 +01:00
Makefile.am gst: Add better support for static plugins 2013-04-15 15:52:58 +02:00
plugin.c Fix FSF address 2012-11-03 23:05:09 +00:00
plugin.h Fix FSF address 2012-11-03 23:05:09 +00:00