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Author SHA1 Message Date
Chris Robinson
af5fb3d6e7 Fix the libatomic check 2016-09-13 12:11:52 -07:00
kcat
a56bbbcf36 Merge pull request #70 from snikulov/appveyor_win_ci 
build: added appveyor-ci script to verify windows build
 2016-09-13 10:44:24 -07:00
Sergei Nikulov
1ff24c7171 build: added appveyour-ci script to verify windows build 2016-09-13 15:08:47 +03:00
Chris Robinson
a004ccfa1a Check for libatomic, in case C11 atomics need it 2016-09-12 12:42:11 -07:00
Chris Robinson
53d8a49673 Call ALfilterState_processC directly 
It's the only implementation currently, so there's no point to having it stored
as a function pointer in the filter struct. Even if there were SIMD versions,
it'd be a global selection, not per-instance.
 2016-09-12 11:48:15 -07:00
Chris Robinson
46b3e1d08c Check if -mfpu=neon is available for compiling the NEON mixer 2016-09-12 11:31:59 -07:00
Chris Robinson
efaa09dc23 Write to the correct outputs for extra reverb channels 2016-09-11 17:11:19 -07:00
Chris Robinson
651715abc9 Combine the reverb decorrelator delay line with the main delay line 
Since it was merely acting as an extension of it anyway, with the second delay
line tap (for late reverb) copying attenuated samples to the decorrelator line
that was being tapped off of. Just extend the delay line and offset the
decorrelator taps to be relative to the late reverb tap.
 2016-09-11 12:25:06 -07:00
Chris Robinson
4fcf9279fe Mark a global variable declaration as extern 2016-09-11 07:20:02 -07:00
Chris Robinson
f993fd0cef Don't warn if the desired default HRTF is already first 2016-09-10 07:55:33 -07:00
Chris Robinson
ba449ccce5 Handle UTF-8 output on Windows in openal-info 2016-09-09 09:52:01 -07:00
Chris Robinson
45dfdca6f9 Reduce the volume for the HRTF ambisonic decoder 
Since it's accumulating multiple HRIRs for two output speakers, it seems to be
a better option to preserve the amplitude of the high-frequency decoder instead
of increasing it, and reduce the amplitude of the low-frequency decoder to
compensate.
 2016-09-08 16:22:46 -07:00
Chris Robinson
0f24f49a44 Allow specifying the device to open for the examples 2016-09-08 12:14:28 -07:00
Chris Robinson
b21e481827 Only WARN if GetProcPath fails to find the binary 2016-09-08 11:56:25 -07:00
Chris Robinson
958301d880 Try increasing the stack size if thread creation fails 
Also increase the default stack size to 2MB.
 2016-09-08 06:30:25 -07:00
kcat
4d91afb203 Merge pull request #64 from tpetazzoni/arm-neon-fix 
Build NEON code with -mfpu=neon
 2016-09-08 02:09:55 -07:00
Chris Robinson
c3c283a0b5 Properly check if /proc/cpuinfo opened 2016-09-08 02:02:09 -07:00
Chris Robinson
742f181595 Use a few more HRIRs for the HRTF B-Format decoder 
14 in total, an 8-point cube and a 6-point diamond shape, to help improve sound
localization a bit. Incurs no real extra CPU cost once the IRs are built.
 2016-09-07 16:26:13 -07:00
Chris Robinson
a52cfc8048 Check for run-time NEON support by reading /proc/cpuinfo 
Less than ideal since documentations warn it may not list 'neon' even if it's
really supported. However, the "proper" APIs to check for NEON extensions don't
seem to exist in my toolchain.
 2016-09-07 09:57:40 -07:00
Chris Robinson
ef67d17a84 Simplify mmdevapi's device name search 
Avoids converting each enumerated devid from WSTR to UTF-8, and instead just
converts the device name from UTF-8 to WSTR once if needed.
 2016-09-07 09:22:34 -07:00
kcat
64a8ad9711 Merge pull request #65 from Dmytry/dmytry_github_master 
mmdevapi: Allow specifying output device by it's audio endpoint GUID …
 2016-09-07 08:32:31 -07:00
Chris Robinson
3af1d5b722 Properly align 16-bit fields in the Hrtf struct 2016-09-07 05:38:22 -07:00
Chris Robinson
7973c5abf8 Use unsigned int shifts for device flags 2016-09-07 05:18:42 -07:00
Dmytry Lavrov
6b7e14f11f mmdevapi: Allow specifying output device by it's audio endpoint GUID or by the device id string (Oculus VR api requires you to play back on a specific device). 2016-09-06 19:25:44 -05:00
Chris Robinson
1d9d1958db Make the SelectMixer function sharable 2016-09-06 13:21:11 -07:00
Thomas Petazzoni
27916ce3db Build NEON code with -mfpu=neon 
The ARM-specific NEON code needs to be built with -mfpu=neon to avoid
build failures when a difference FPU is used by default by the
compiler.

Fixes issue #54.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 2016-09-06 22:19:14 +02:00
Chris Robinson
9cbe02fd85 Use the optimized mixing functions for reverb output 2016-09-06 12:16:49 -07:00
Chris Robinson
0558869d94 Use deinterlaced buffers for the intermediate reverb storage 2016-09-06 11:07:45 -07:00
Chris Robinson
a758cc8243 Remove use of DECL_CONST 
No idea if it was really gaining us anything, but removing it fixes a crash I
was getting with libs built with Clang.
 2016-09-06 09:09:25 -07:00
Chris Robinson
1541ff24b8 Do reverb modulation before band-pass filtering 
Ideally the band-pass should probably happen closer to output, like gain is.
However, doing that would require 16 filters (4 early + 4 late channels, each
with a low-pass and high-pass filter), compared to the two needed to do it on
input.
 2016-09-06 07:02:17 -07:00
Chris Robinson
b1f70b5b78 Rename some variables for clarity 2016-09-06 03:10:38 -07:00
Chris Robinson
564030ffa4 Use more correct cube decoder matrices 2016-09-05 10:33:52 -07:00
Chris Robinson
a20576bbd7 Do multiple samples at once for reverb modulation 2016-09-05 06:08:01 -07:00
Chris Robinson
8a64f07121 Use a predefined identity matrix 2016-09-05 02:02:14 -07:00
Chris Robinson
42452b7f79 Correct a comment about B-Format conversion 2016-09-05 00:38:41 -07:00
Chris Robinson
cf0ef500ec Rename MatrixMixerFunc to RowMixerFunc 2016-09-02 00:29:46 -07:00
Chris Robinson
17636a0c1c Calculate a variable closer to where it's used 2016-09-01 21:05:24 -07:00
Chris Robinson
7428636071 Use MixMatrixRow to upsample the split frequency bands to the output 2016-09-01 07:08:52 -07:00
Chris Robinson
6fb634c3e1 Remove unnecessary consts 
They were causing GCC's built-in atomic cmpxchg to complain.
 2016-08-31 09:26:57 -07:00
Chris Robinson
7a140b6912 Reorganize sample type conversion functions 
To help avoid redundant manual definitions.
 2016-08-31 08:30:52 -07:00
Chris Robinson
566d449e53 Always load HRTF files through memory pointers 2016-08-31 08:16:49 -07:00
Chris Robinson
e01c337921 Add some helper wrappers to mmap files 2016-08-31 08:14:50 -07:00
Chris Robinson
ccf90df072 Initialize some enums to dummy values 2016-08-31 04:56:10 -07:00
Chris Robinson
f791b8c517 Add a compile-time macro to use dual-band ambisonic HRTF processing 
Use single-band processing for now, to see if dual-band is causing a drop in
quality at all.
 2016-08-30 22:33:33 -07:00
Chris Robinson
8d3a286577 Simplify the ambisonic up-sampler 
It still behaves the same, although now combines the separate decode+encode
matrices into a transcode matrix (one per frequency band).
 2016-08-30 04:21:57 -07:00
Chris Robinson
6d7f9aacd6 Print whether direct channels are off or on to stdout in alffplay 2016-08-29 22:18:44 -07:00
Chris Robinson
4859984e33 Add an option to alffplay to toggle AL_DIRECT_CHANNELS_SOFT 
Using the 'd' key will toggle the playback source's AL_DIRECT_CHANNELS_SOFT
property. Although there is no visual feedback showing when it's on or off.
 2016-08-29 01:55:44 -07:00
Chris Robinson
54649851fa Remove the upper limit from AL_MIN_GAIN and AL_MAX_GAIN 
As per the current AL_SOFT_gain_clamp_ex proposal.
 2016-08-29 01:53:52 -07:00
Chris Robinson
5bf0c64258 Add a query for the maximum source gain limit 2016-08-28 18:21:09 -07:00
Chris Robinson
3d59021702 Clamp the maximum mixing gain boost to 16 
The combined source and listener gains now can't exceed a multiplier of 16
(~24dB). This is to avoid mixes getting out of control with large volume
boosts, which reduces the effective precision given by floating-point.
 2016-08-27 06:28:04 -07:00