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11 commits

Author SHA1 Message Date
Peter Meerwald
a9d38b50e8 core: Initialize ARM NEON remapping code if available 
Signed-off-by: Peter Meerwald <p.meerwald@bct-electronic.com>
 2014-05-25 18:13:27 +02:00
Peter Meerwald
40450bdbf2 core: Distinguish Cortex processors: A8 vs later (A9, A15) 
Signed-off-by: Peter Meerwald <p.meerwald@bct-electronic.com>
 2014-05-25 18:13:27 +02:00
poljar (Damir Jelić)
d806b19714 Remove pa_bool_t and replace it with bool. 
commands used for this (executed from the pulseaudio/src directory):
    find . -regex '\(.*\.[hc]\|.*\.cc\|.*\.m4\)' -not -name 'macro.h' \
        -a -not -name 'reserve.[ch]' -a -not -name 'reserve-monitor.[ch]' \
        -a -not -name 'glib-mainloop.c' -a -not -name 'gkt-test.c' \
        -a -not -name 'glib-mainloop.c' -a -not -name 'gkt-test.c' \
        -a -not -name 'poll-win32.c' -a -not -name 'thread-win32.c' \
        -a -not -name 'dllmain.c' -a -not -name 'gconf-helper.c' \
        -exec sed -i -e 's/\bpa_bool_t\b/bool/g' \
        -e 's/\bTRUE\b/true/g' -e 's/\bFALSE\b/false/g' {} \;

and:
    sed -i -e '181,194!s/\bpa_bool_t\b/bool/' \
        -e '181,194!s/\bTRUE\b/true/' -e \
        '181,194!s/\bFALSE\b/false/' pulsecore/macro.h
 2013-07-04 12:25:30 +03:00
Peter Meerwald
1e4e586150 mix: Add optimized mix code path for ARM NEON 
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
 2013-02-15 23:02:19 +02:00
Peter Meerwald
1319c4533a core: Add ARM NEON optimized sample conversion code 
final:
* includes some minor style fixes and build-time changes to allow
  building a single binary for neon and non-neon systems
v4:
* fix for sample length < 4
v3:
* convert from intrinsics to inline assembly
v2:
* load and store data with vld1/vld1q and vst1/vst1q, resp., to work
  around alignment issues of compiler-generated vldmia instruction
* remove redundant check for NEON flags

Ubuntu/Linaro gcc 4.6.3
arm-linux-gnueabi-gcc -O2 -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon

runtime on beagle-xm:

D: [pulseaudio] sconv_neon.c: checking NEON sconv_s16le_from_float
I: [pulseaudio] sconv_neon.c: NEON: 3754 usec.
I: [pulseaudio] sconv_neon.c: ref: 58594 usec.
D: [pulseaudio] sconv_neon.c: checking NEON sconv_s16le_to_float
I: [pulseaudio] sconv_neon.c: NEON: 1831 usec.
I: [pulseaudio] sconv_neon.c: ref: 10528 usec.
I: [pulseaudio] sconv_neon.c: Initialising ARM NEON optimized conversions.

conversion may be off by one for some samples due to rounding issues
 2012-10-29 12:49:37 +05:30
Arun Raghavan
60660a1aec core: Separate ARM CPU detection from initialisation 
This separate the ARM CPU feature detection code from the initialisation
so that we can reuse it in tests, like we did for x86 a while back.
 2012-10-19 19:01:16 +05:30
Peter Meerwald
ee3e93c841 core: whitespace typo 2012-02-10 17:21:31 +05:30
Arun Raghavan
ab4223e9cf cpu: Add CPU information to pa_core 
This retains CPU information (processor type and supported features) in
pa_core, so that this information can be used by modules at init time to
figure out what optimisations may be used.
 2010-09-23 17:17:03 +05:30
Tanu Kaskinen
2f3fc2f1d6 Merge branch 'master' of git://0pointer.de/pulseaudio into dbus-work 
Conflicts:
	src/Makefile.am
 2009-08-24 14:43:11 +03:00
Wim Taymans
8aa86f5247 arm: implement ARM cpu detection 2009-08-20 11:31:04 +02:00
Wim Taymans
951bf1b28d svolume: add ARM optimized volume scaling 2009-08-20 11:31:03 +02:00