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Author SHA1 Message Date
Chris Robinson
bc1ce7b3ac Add methods to get source properties as doubles 2012-08-20 15:26:35 -07:00
Chris Robinson
6a3619c40f Fix a parameter name 2012-08-20 14:50:43 -07:00
Chris Robinson
50fa9a44be Properly export alGetSource3i64SOFT 2012-08-20 14:48:08 -07:00
Chris Robinson
4937a48bd9 Use helper functions to read source properties 
And make sure the 64-bit int getters to get 32-bit int values
 2012-08-20 14:16:58 -07:00
Chris Robinson
987a81c4de Use the correct 64-bit int type for the extension functions 2012-08-20 12:22:00 -07:00
Chris Robinson
f5e0500df4 Add a macro to help make a 64-bit value 2012-08-19 22:31:55 -07:00
Chris Robinson
37924887e8 Use a default method to provide a dummy latency 2012-08-19 12:31:59 -07:00
Chris Robinson
0db7c4131b Hold the device lock with PulseAudio between mixing and writing 2012-08-18 17:20:20 -07:00
Chris Robinson
a56a974149 Hold the device lock with ALSA between mixing and writing 2012-08-18 17:18:53 -07:00
Chris Robinson
af7f3768fa Use non-blocking access for ALSA playback 2012-08-18 17:01:56 -07:00
Chris Robinson
0865db564f Move the device lock into the backend function table 
For backend-specific implementations: this should hold the audio mixer loop for
playback devices, and provide recursive mutex behavior.
 2012-08-18 15:58:04 -07:00
Chris Robinson
2b020040b4 Keep the backend device open until the last reference is released 
This should generally happen with the next ALCdevice_DecRef call unless the
device is in the middle of being used in another thread, in which case it's
probably best to not remove the resources.
 2012-08-18 14:49:42 -07:00
Chris Robinson
3ae5fcbd7e Add the start of AL_SOFT_source_latency 
This extension will provide a way for apps to get accurate latency and playback
position information
 2012-08-18 11:06:39 -07:00
Chris Robinson
ac4fc4026c Add a device method to retrieve the active latency 
This is effectively the time until the next update will be heard by the user,
or the closest approximation thereof, in nanoseconds.
 2012-08-17 13:38:52 -07:00
Chris Robinson
9737f68315 Place the alignment attribute before the variable declaration 2012-08-16 10:42:48 -07:00
Chris Robinson
2a8c26e390 Remove extra parenthesis used in the aligned attribute declaration 2012-08-16 10:33:37 -07:00
Chris Robinson
3c395a82db Fix aligned allocator fallback 2012-08-16 10:30:13 -07:00
Chris Robinson
15c6b9b165 MSVC wants __declspec(align), not __declspec(aligned) 2012-08-16 10:23:25 -07:00
Chris Robinson
147fd9de4e Avoid dynamic handling of libsndio 
This makes it safer and easier to handle as OpenBSD updates it
 2012-08-16 10:12:50 -07:00
Chris Robinson
0bca771a88 Apply HRTF mixer coefficients with stepping using SSE 2012-08-15 08:19:04 -07:00
Chris Robinson
f4ff63e271 Check the max CPUID functions before calling them 2012-08-15 06:28:45 -07:00
Chris Robinson
bbcf4e8c1d Make sure sources are 16-byte aligned 
They contain fields that require 16-byte alignment for SSE (and Neon?)
acceleration.
 2012-08-15 05:54:13 -07:00
Chris Robinson
2859357939 Add wrapper methods to ensure aligned allocations 2012-08-15 05:50:40 -07:00
Chris Robinson
2cbb565d09 Ensure some HRTF-related parameters are aligned 2012-08-15 04:10:41 -07:00
Chris Robinson
4d157d2849 Make sure the working coefficients are aligned for the SSE mixer 2012-08-15 03:43:36 -07:00
Chris Robinson
64cd763e19 Remove unused filter functions 2012-08-15 01:48:47 -07:00
Chris Robinson
c3f387da70 Check for and use the -msse switch when dealing with SSE intrinsics 2012-08-15 01:46:42 -07:00
Chris Robinson
6ebeb3b4f7 Check the correct macro for ARM Neon support 2012-08-15 01:32:17 -07:00
Chris Robinson
2e18baa3c8 Don't bother handling MMX since we don't use it 2012-08-15 01:29:19 -07:00
Chris Robinson
c9e87a19a9 Add cmake options to disable or require support for CPU extensions 2012-08-15 01:24:50 -07:00
Chris Robinson
3b87e29e63 Move mixers into separate source files 2012-08-15 01:01:55 -07:00
Chris Robinson
e9a20cb985 Add an SSE-enhanced HRTF mixer using intrinsics 
Not as good as it could be, but it's something
 2012-08-14 03:53:07 -07:00
Chris Robinson
cfc5205569 Fix a typo 2012-08-13 22:31:58 -07:00
Chris Robinson
17dfaa3aae Add a config option to disable use of CPU extensions 2012-08-13 10:37:49 -07:00
Chris Robinson
0a3eba08d8 Allow building multiple types of mixers, selecting based on CPU caps 2012-08-13 09:18:46 -07:00
Chris Robinson
add53e28c2 Check for some CPU extensions 2012-08-13 09:07:01 -07:00
Chris Robinson
f42f655ea9 Don't unlock the pulseaudio mainloop when mixing 
Lock contention could cause a lengthy delay between mixing and writing the
audio. There shouldn't be any risk of dead-locking as the device lock should
never be held when the mainloop gets locked.
 2012-08-12 03:52:38 -07:00
Chris Robinson
8304fc1bef Handle the scalar values a bit better 2012-08-11 06:20:24 -07:00
Chris Robinson
ea84fee952 Use a more efficient method to blend HRTF delays and coefficients 2012-08-11 02:16:34 -07:00
Chris Robinson
d6fd52a0e5 Add an option for wide stereo sources 
Replaces the old stereodup option
 2012-08-09 05:38:07 -07:00
Chris Robinson
0dde7dd88a Use a more efficient method to offset the speaker angles when computing gains 2012-08-09 02:31:19 -07:00
Chris Robinson
1323e11701 Interpolate between HRTF delay samples using the delay fraction 2012-07-20 15:08:11 -07:00
Chris Robinson
7ac9944bb3 Increase the directional change sensitivity for the HRTF delta 2012-07-20 14:38:49 -07:00
Chris Robinson
e32e2fd6b8 Fix an inadvertent change in the HRTF coefficient stepping value array size 2012-07-19 11:49:43 -07:00
Chris Robinson
6bd535bed0 Use wrappers for float-typed math functions 2012-06-29 02:12:36 -07:00
Chris Robinson
524c88c402 Test the squared length of a vector before normalizing 2012-06-28 20:54:10 -07:00
Chris Robinson
1c096b101d Minor typo fixes 2012-06-28 19:57:23 -07:00
Chris Robinson
583dc8dbca Don't use all caps for enum value names 2012-06-28 18:49:49 -07:00
Chris Robinson
befa4e7528 Don't try to set FE_TOWARDZERO when it's not available 2012-06-28 18:27:45 -07:00
Chris Robinson
bc6751237c Clamp the Y position before trying to get the elevation 2012-06-28 17:26:00 -07:00