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3644 Commits

Author SHA1 Message Date
Chris Robinson
f65e83c349 Avoid using pa_stream_begin_write with PulseAudio 
It seems to actually have a negative performance impact when the system is
under load. Without having actual measurements for any potential benefits,
simply go with the recommended (and previous fallback) method of allocating
space for the write and passing the free method.

Ideally some kind of ring buffer could be used, so rather than constantly
allocating and freeing blocks of memory, it uses the same memory over again
with the callback marking each one as reusable. Unfortunately the callback
isn't given much information to work with, and the update size (minreq) can
potentially change during playback, which complicates things.
 2018-03-14 03:21:26 -07:00
Chris Robinson
942abab8f9 Move a loop into a function 2018-03-13 03:45:24 -07:00
Chris Robinson
8eb7a94e1c Apply a distance decay on the source send for the reverb's DecayLFRatio 2018-03-11 22:40:08 -07:00
Chris Robinson
6b35a4534f Comment and clarify some code 2018-03-11 22:18:11 -07:00
Chris Robinson
dac9379449 Add methods to clean up althrd and altss data 2018-03-10 12:10:58 -08:00
Chris Robinson
a6ddeaf5f1 Rename the mmdevapi backend to wasapi 2018-03-09 18:56:24 -08:00
Chris Robinson
30821e978b Add extern "C" to some headers 2018-03-09 17:24:03 -08:00
Chris Robinson
c0e7a5b8b0 Prefix SDL2 device names on Windows 2018-03-09 11:41:28 -08:00
Chris Robinson
8b24255557 Request the device's sample type for SDL2 2018-03-09 10:53:03 -08:00
Chris Robinson
46e7e96eb3 Store the frame size for the SDL2 backend 2018-03-08 22:23:36 -08:00
Chris Robinson
41cc82e84b Print the unsupported values from SDL2 2018-03-08 22:09:30 -08:00
Chris Robinson
2866c6cf28 Init and quit the SDL2 audio subsystem with the factory 2018-03-08 18:59:22 -08:00
Chris Robinson
0c7fa1b955 Avoid deinitializing backends that never initialized 2018-03-08 18:53:49 -08:00
Chris Robinson
aa7df8183f Also save the update size with SDL2 2018-03-08 18:22:03 -08:00
Chris Robinson
58760e6184 Use the audio device lock for the SDL2 backend 2018-03-08 18:16:10 -08:00
Chris Robinson
52ca70d98e Properly close the SDL2 audio device 2018-03-08 18:12:14 -08:00
Chris Robinson
d4fc87fc9c Avoid calling SDL_GetNumAudioDevices multiple times 2018-03-08 18:07:49 -08:00
Chris Robinson
52dee31270 Only calculate the modulation samples once for all 4 channels 2018-03-08 17:48:22 -08:00
Chris Robinson
22d3e3b563 Simplify modulator effect index updating 2018-03-08 17:48:21 -08:00
Chris Robinson
4e613c5d4b Rename UpdateContextSources for clarity 2018-03-08 17:48:21 -08:00
Chris Robinson
19281868dc Properly limit the max number of effect slots to 2^31 - 1 2018-03-08 17:48:21 -08:00
Jan Niklas Hasse
2eb29d538b SDL2 backend: Reset device parameters 2018-03-08 20:42:47 +01:00
Jan Niklas Hasse
0af075b5ff SDL2 backend: Allow changes to channels and format 2018-03-08 20:27:02 +01:00
Jan Niklas Hasse
ef2b813776 SDL2 backend: Allow frequency changes 2018-03-08 10:17:02 +01:00
Jan Niklas Hasse
a6f93a501a Handle passing NULL to SDL_OpenAudioDevice as a special device 
https://discourse.libsdl.org/t/changing-audio-output-when-the-default-audio-playback-device-changes/22399/2
 2018-03-08 10:07:22 +01:00
Jan Niklas Hasse
767807cd22 SDL2 backend: Use callback instead of a timing loop 
The system clock and audio clock aren't necessarily synchronized.
 2018-03-08 09:51:44 +01:00
Jan Niklas Hasse
86319127e3 Add SDL2 backend for playback, fix #173 2018-03-07 20:57:53 +01:00
Chris Robinson
179e1c4dbc Don't check for space in the ringbuffer before trying to write 
The write method already checks and returns how much it managed to fit in.
 2018-03-03 21:57:42 -08:00
Chris Robinson
4e6c758daf Use a plain mutex for the property lock 2018-03-03 13:42:37 -08:00
Chris Robinson
4bd02eada6 Init more stuff in InitDevice 2018-03-03 09:00:14 -08:00
Chris Robinson
bd32a682f7 Use atomic variables instead of volatile 2018-03-02 19:16:55 -08:00
Chris Robinson
03274a5b95 Ensure at least the specified ringbuffer size is writable 
Previously, all but one of the specified size could be written (so for a size
of n, only n-1 was guaranteed writable). All users pretty much compensated for
this, but it makes more sense to fix it at the source.
 2018-03-02 13:01:11 -08:00
Chris Robinson
6f62fed65c Add an option to limit the write size of the ringbuffer 2018-03-01 21:23:13 -08:00
Chris Robinson
4b85104c4f Apply the limiter, distance comp, and others even with no output buffer 2018-03-01 16:16:37 -08:00
Chris Robinson
a211c2f5e4 Avoid AL prefix on internal effect state factory types 
Also avoid using the generic V/V0 macros for them
 2018-02-28 19:37:12 -08:00
Chris Robinson
d25398d2c7 Avoid using static inline in headers 2018-02-25 13:14:14 -08:00
Chris Robinson
654a45833a Only send one buffer completed event per update 
The 'param' callback parameter indicates the number of buffers that were
completed.
 2018-02-25 10:05:25 -08:00
Chris Robinson
455763aa9a Count all buffers in a list item for processed and queued 2018-02-25 09:51:07 -08:00
Chris Robinson
a1ef5e38b6 Handle source state change events 2018-02-24 09:24:18 -08:00
Chris Robinson
bf886444d2 Avoid multiple GetChannelIdxByName calls 2018-02-21 19:53:18 -08:00
Chris Robinson
6ff50558a0 Use a proper struct for specifying angular points 2018-02-18 23:56:51 -08:00
Chris Robinson
fa9ab9af7c Minimize each response delay for the ambisonic HRTF decode 2018-02-18 23:56:51 -08:00
Chris Robinson
b5aa0c0759 Remove the unnecessary ComputeAmbientGains 2018-02-18 23:56:51 -08:00
Chris Robinson
79604c3c0e Preserve RMS for the high-frequency HRTF ambisonic coefficients 2018-02-18 23:56:51 -08:00
Chris Robinson
7a974b2460 Combine the vector reverse and partial scatter where they're together 2018-02-18 23:56:51 -08:00
Chris Robinson
7f3d69fdbc Remove an unnecessary comment about if meters_per_unit is > 0 2018-02-18 23:56:51 -08:00
Chris Robinson
7dafac0c34 Avoid duplicating some scale tables 2018-02-18 23:56:51 -08:00
Alexey Elymanov
063ad490a2
freebsd fix: typo 
Alc/helpers.c:738:30: error: use of undeclared identifier 'KERN_PROCARGS'
    int mib[4] = { CTL_KERN, KERN_PROCARGS, getpid() };

/usr/include/sys/sysctl.h:
`#define	KERN_PROC_ARGS		7	/* get/set arguments/proctitle */`
there's no KERN_PROCARGS
 2018-02-18 20:55:31 +03:00
Chris Robinson
59768674f1 Use an alternate ambisonic HRTF decode layout 
Similar to the previous, but includes the top and bottom HRTF responses. The
higher-order decode (for the "basic" HRTF output) also now uses 2H1P mixed-
order instead of 2H1V, which seems more stable.
 2018-02-13 03:03:26 -08:00
Chris Robinson
2cb49e51a0 Fix NULL pointer dereference 2018-02-12 22:20:43 -08:00