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Peter Meerwald 30ce3a14e5 resampler: Resample first followed by remapping if have more out channels than in channels 
The patch intends to reduce computational load when resampling AND remapping. The PA
resampler performs the following steps:

sample format conversion -> remapping -> resampling -> sample format conversion

In case the number of output channels is higher than the number of input channels, the
resampler has to be run more often than necessary. E.g. in case of mono to 4-channel remapping,
the resampler runs on 4 channels separately.

To ímprove this, the PA resampler pipeline is made adaptive:

if out-channels <= in-channels:
sample format conversion -> remapping -> resampling -> sample format conversion
if out-channels > in-channels:
sample format conversion -> resampling -> remapping -> sample format conversion

Signed-off-by: Peter Meerwald <p.meerwald@bct-electronic.com>
2013-02-15 21:27:07 +02:00
doc doc: Add an example stream-restore fallback table file. 2011-10-01 13:25:16 +01:00
doxygen doc: Generate API documentation for ext-device-manager and ext-device-restore. 2012-12-19 12:31:50 +02:00
m4 build-sys: Check for necessary programs in bootstrap.sh 2011-07-28 10:51:09 +01:00
man pactl: Add a command for setting the default sink/source. 2013-02-01 07:16:20 +02:00
po i18n: Update Polish translation 2013-01-18 09:50:00 +02:00
shell-completion bash-completion: Don't complete devices in the list commands 2013-02-01 07:11:15 +02:00
src resampler: Resample first followed by remapping if have more out channels than in channels 2013-02-15 21:27:07 +02:00
vala vala: Add has_type_id=false to all enums, structs and classes 2011-08-31 11:35:35 +05:30
.gitignore .gitignore: Add pulse-daemon.log. 2013-01-29 17:32:10 +02:00
.mailmap add a .mailmap file for git shortlog 2009-02-04 22:41:45 +01:00
autogen.sh remove remaining $ 2008-06-18 22:38:32 +02:00
bootstrap.sh build-sys: Check for necessary programs in bootstrap.sh 2011-07-28 10:51:09 +01:00
configure.ac build-sys: ALSA use-case manager requires ALSA library >= 1.0.24 2013-02-14 14:58:49 +02:00
git-version-gen git-version-gen: Honor GIT_DESCRIBE_FOR_BUILD environment variable 2012-09-27 15:22:10 +03:00
GPL * rename "LICENSE" to "LGPL" 2006-04-20 12:33:00 +00:00
LGPL * rename "LICENSE" to "LGPL" 2006-04-20 12:33:00 +00:00
libpulse-mainloop-glib.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
libpulse-simple.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
libpulse.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
LICENSE Update LICENSE 2011-11-27 14:54:01 +00:00
Makefile.am build-sys: Add check-daemon target to the top-level Makefile.am. 2013-02-06 14:14:46 +02:00
orc.mak build: Simplify Orc-related make rules 2011-02-01 11:51:46 +05:30
PROTOCOL introspect: Add functions to handle the latency offset. 2012-06-30 14:41:08 +03:00
pulseaudio-text.svg merge 'lennart' branch back into trunk. 2007-10-28 19:13:50 +00:00
pulseaudio.svg Add PulseAudio logo to tree. 2006-08-28 06:25:41 +00:00
PulseAudioConfig.cmake.in build-sys: Provide a simple CMake Config setup (similar to pkgconfig) 2011-10-19 23:49:23 +01:00
PulseAudioConfigVersion.cmake.in build-sys: Provide a simple CMake Config setup (similar to pkgconfig) 2011-10-19 23:49:23 +01:00
README doc: Add entry for correct spelling 2012-04-27 13:13:23 +05:30
todo Update todo 2011-06-24 00:35:26 +01:00

README 

PULSEAUDIO SOUND SERVER

WEB SITE:
	http://pulseaudio.org/

GIT:
	git://anongit.freedesktop.org/pulseaudio/pulseaudio

GITWEB/CGIT:
	http://cgit.freedesktop.org/pulseaudio/pulseaudio/

MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss

GIT COMMITS MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-commits

TRAC/BUGZILLA TICKET CHANGES MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-bugs

IRC:
	#pulseaudio on irc.freenode.org

CIA:
	http://cia.navi.cx/stats/project/polypaudio

FRESHMEAT:
	http://freshmeat.net/projects/pulseaudio/

OHLOH:
	http://www.ohloh.net/projects/4038

AUTHORS:
	Several

HACKING:
	In order to run pulseaudio from the build dir __OPTIMIZE__ should be
	disabled (look at src/pulsecore/core-util.h::pa_run_from_build_tree()),
	this can be done by passing "CFLAGS=-O0" to the configure script:
	  ./autogen.sh
	  CFLAGS="-ggdb3 -O0" LDFLAGS="-ggdb3" ./configure
	  make
	  ./src/pulseaudio -n -F src/default.pa -p $(pwd)/src/.libs/

SPELLING:
        PulseAudio