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* Init more stuff in InitDeviceChris Robinson2018-03-031-18/+9
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* Use atomic variables instead of volatileChris Robinson2018-03-022-49/+45
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* Ensure at least the specified ringbuffer size is writableChris Robinson2018-03-0210-51/+65
| | | | | | 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.
* Add an option to limit the write size of the ringbufferChris Robinson2018-03-0111-36/+36
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* Apply the limiter, distance comp, and others even with no output bufferChris Robinson2018-03-011-19/+20
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* Avoid AL prefix on internal effect state factory typesChris Robinson2018-02-289-81/+81
| | | | Also avoid using the generic V/V0 macros for them
* Avoid using static inline in headersChris Robinson2018-02-251-0/+10
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* Only send one buffer completed event per updateChris Robinson2018-02-251-5/+3
| | | | | The 'param' callback parameter indicates the number of buffers that were completed.
* Count all buffers in a list item for processed and queuedChris Robinson2018-02-251-1/+1
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* Handle source state change eventsChris Robinson2018-02-241-3/+48
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* Avoid multiple GetChannelIdxByName callsChris Robinson2018-02-211-18/+20
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* Use a proper struct for specifying angular pointsChris Robinson2018-02-183-6/+11
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* Minimize each response delay for the ambisonic HRTF decodeChris Robinson2018-02-181-5/+9
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* Remove the unnecessary ComputeAmbientGainsChris Robinson2018-02-182-27/+4
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* Preserve RMS for the high-frequency HRTF ambisonic coefficientsChris Robinson2018-02-181-2/+2
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* Combine the vector reverse and partial scatter where they're togetherChris Robinson2018-02-181-21/+20
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* Remove an unnecessary comment about if meters_per_unit is > 0Chris Robinson2018-02-181-3/+2
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* Avoid duplicating some scale tablesChris Robinson2018-02-183-50/+17
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* freebsd fix: typoAlexey Elymanov2018-02-181-1/+1
| | | | | | | | 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
* Use an alternate ambisonic HRTF decode layoutChris Robinson2018-02-134-57/+71
| | | | | | 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.
* Fix NULL pointer dereferenceChris Robinson2018-02-121-1/+1
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* Supply HF coefficient scales with a single-band ambisonic matrixChris Robinson2018-02-121-16/+17
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* Avoid using an enum for array indicesChris Robinson2018-02-121-44/+42
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* Make bformatdec_free and ambiup_free clear the freed pointerChris Robinson2018-02-124-32/+25
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* Use a bitfield for enabled bformatdec channelsChris Robinson2018-02-121-6/+5
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* Combine multiple functions called sequentiallyChris Robinson2018-02-115-112/+120
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* Don't asynchronously modify the source on disconnectChris Robinson2018-02-111-9/+1
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* Remove unused reverb modulation codeChris Robinson2018-02-101-107/+2
| | | | | | Still unsure how to handle reverb modulation without some kind of reference output, so remove the related functions to not waste CPU time. It'll remain in the Git history should it ever need to be resurrected.
* Use a function pointer for applying the dry mix post-processChris Robinson2018-02-102-68/+99
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* Use an alternate virtual layout for Ambisonic HRTF decodingChris Robinson2018-02-103-48/+76
| | | | | This uses 16 channels, an 8-channel octagon + 8-channel cube, which should improve horizontal resolution without affecting vertical too much.
* Clarify some macro names using ambisonic mixed-mode notationChris Robinson2018-02-093-32/+32
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* Attempt to improve the reverb panning vectorsChris Robinson2018-02-081-20/+42
| | | | | This should now retain the original orientation of the soundfield and merely focus on the panning vector direction, as intended.
* Alter tha curve of the density-related delay scaleChris Robinson2018-02-081-22/+33
| | | | | | | | | | | | | | | | | | | The delay scale is roughly linear with respect to room size, however the density is not linear with room size. The density is calculated by taking the room size cubed, then normalized by some factor. Unnormalizing the density and taking the cube root restores the original room size to use as a delay scale. The patch also alters the delay and all-pass line lengths to be based on a 1 meter room size, so the the room size recovered from the density acts as a direct multiple for the desired target length. Note that the room scale range is unchanged (5m to 50m), so the minimum and maximum delays are the same. It should also be noted that 50m may not be the correct room size for a density value of 1. A density value of 1 corresponds to an environment size of roughly 2.52m when converted from EAX (DENSITY_SCALE should be 16 rather than 125000), but sizes that low result in undesirable resonance in the feedback, indicating other changes are necessary for that to work.
* Revert "Don't fade the all-pass delay changes"Chris Robinson2018-02-041-28/+48
| | | | This reverts commit 799dfb732b4f49198d72649e86955ea82f45f229.
* Make the Connected state atomicChris Robinson2018-02-0414-77/+80
| | | | Also don't send the Disconnected event more than once.
* Avoid potentially writing partial samplesChris Robinson2018-02-031-1/+3
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* Provide more descriptive messages to disconnection eventsChris Robinson2018-02-0313-61/+86
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* Add a disconnected event typeChris Robinson2018-02-032-0/+18
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* Add missing header for UINT_MAXChris Robinson2018-02-021-0/+1
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* Remove the unused thunk codeChris Robinson2018-02-021-4/+0
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* Don't generate Buffer Completed events for static sourcesChris Robinson2018-02-011-9/+34
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* Use an atomic instead of volatile to tell a thread to quitChris Robinson2018-02-011-6/+5
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* Use semaphores to signal for more samples with JACK and OpenSLChris Robinson2018-02-012-54/+16
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* Use a semaphore to signal the event handlerChris Robinson2018-02-012-3/+4
| | | | | | | | | | | Semaphores allow for semi-persistent signals, compared to a condition variable which requires a mutex for proper detection. A semaphore can be 'post'ed after writing some data on one thread, and another thread will be able to recognize it quickly even if the post occured in between checking for data and waiting. This more correctly fixes a race condition with events since the mixer shouldn't be using mutexes, and arbitrary wake-ups just to make sure an event wasn't missed was quite inefficient.
* Send buffer completed events when enabledChris Robinson2018-02-012-11/+38
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* Add a thread to marshal events from the mixerChris Robinson2018-01-311-1/+19
| | | | | | To avoid having unknown user code running in the mixer thread that could significantly delay the mixed output, a lockless ringbuffer is used for the mixer to provide events that a secondary thread will pop off and process.
* Rename EventLock to make it more clear it's protecting the callbackChris Robinson2018-01-301-2/+2
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* Don't bother with an explicit stop backend methodChris Robinson2018-01-2918-348/+209
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* Call the backend close method in the destructorChris Robinson2018-01-2813-79/+125
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* Combine common initialization code into a functionChris Robinson2018-01-281-143/+105
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