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270 Commits

Author SHA1 Message Date
Chris Robinson
6480c2c854 Don't apply direct channels with mono output 2019-12-18 23:29:52 -08:00
Chris Robinson
5e35f73cad Don't process direct channel sources with attenuation 2019-12-17 22:40:49 -08:00
Chris Robinson
a8de1570e9 Update a comment since B-Format input isn't always FuMa 2019-12-17 22:25:00 -08:00
Chris Robinson
466c6faeb5 Correctly scale spatialized B-Format sources 2019-12-17 22:20:38 -08:00
Chris Robinson
0a65ed2190 Use normal panning for B-Format output 
It can never work since it only uses auxiliary channel labels.
 2019-12-17 22:12:47 -08:00
Chris Robinson
2215a4072c Don't apply stereo panning with direct channels enabled 2019-12-17 21:49:58 -08:00
Chris Robinson
ad9584acc3 Avoid sscanf for parsing config lines 2019-12-14 17:26:58 -08:00
Chris Robinson
ac7a5dcbfa Use size_t for array indices 2019-12-11 02:44:05 -08:00
Chris Robinson
053de62398 Don't force the HRIR length to a rounded value 
The coefficient and accumulation buffers are guaranteed large enough for the
full size, and the SIMD handlers will behave the same either way.
 2019-12-11 02:24:44 -08:00
Chris Robinson
7d0c01050a Fix MHR limits 2019-12-11 01:20:00 -08:00
Chris Robinson
d6bc56d7c1 Use proper array types instead of C-style arrays 2019-12-09 20:55:54 -08:00
Chris Robinson
a1de05fed7 Avoid global macros for format-secific types 2019-12-09 20:45:11 -08:00
Chris Robinson
e43c2bba61 Don't re-sort the enumerated HRTF list 2019-12-08 22:09:21 -08:00
Chris Robinson
a280373dc1 Improve blended IR delay precision for the B-Format decoder 2019-12-08 16:46:11 -08:00
Chris Robinson
3f559e7e60 Rename a couple structs for clarity 2019-12-06 23:11:26 -08:00
Chris Robinson
c9a6527121 Use doubles for blending the B-Format decoder HRIRs 2019-12-06 22:31:30 -08:00
Chris Robinson
200b07b288 Fully reset the voice when updating the device 2019-12-05 00:18:59 -08:00
Chris Robinson
38037e29ba Handle the buffer's ambisonic properties 2019-12-02 12:50:18 -08:00
Chris Robinson
799c60f3bb Add an interface to set a B-Format buffer's layout and scaling 2019-12-02 11:51:27 -08:00
Chris Robinson
58e4d643d3 Make B-Format rotation more robust 
This should now handle higher orders, and can be easily extended to non-FuMa
layouts and scalings.
 2019-12-01 22:33:41 -08:00
Chris Robinson
1a51e3a9d1 Add an index map for 2D FuMa channels 2019-12-01 17:52:36 -08:00
Chris Robinson
b79aa32308 Store the ambisonic order for the voice 
Currently only first-order B-Format is possible for a buffer/source, but this
will begin to allow for higher orders with an appropriate extension.
 2019-12-01 15:36:25 -08:00
Chris Robinson
9559f7bfc2 Update the second-order decoder for HRTF 
This uses fewer virtual speakers to help with clarity. The fewer speakers used
for the response, the less destructive phase interference there should be.
 2019-11-30 18:42:04 -08:00
Chris Robinson
fcf03705e6 Clear the resampler after use 2019-11-29 18:19:01 -08:00
Chris Robinson
a8d06c0731 Store HRTF delays with some fractional precision 
Since the delays get bilinearly filtered before use, maintaining a bit of extra
precision can help accuracy even if it ultimately gets rounded to the nearest
integer before use. This should help with resampled HRTFs, which need to scale
the delays that are already rounded, and can also be leveraged by an updated
MHR format.
 2019-11-29 14:01:39 -08:00
Chris Robinson
2453f4ec14 Avoid a shadow declaration warning 2019-11-29 08:41:20 -08:00
Chris Robinson
7ff165b095 Use unsigned for array indices 2019-11-29 08:33:46 -08:00
Chris Robinson
34edd3a914 Fix sorting of loaded HRTFs 2019-11-29 06:19:06 -08:00
Chris Robinson
e80256e394 Remove an unnecessary alias 2019-11-28 16:17:00 -08:00
Chris Robinson
b310e09f59 Rename the default HRTF 2019-11-28 15:48:07 -08:00
Chris Robinson
6069eef94d Also scale the HRTF delays for different rates 2019-11-28 14:53:13 -08:00
Chris Robinson
846a997956 Add an option to limit the HRTF's IR size 2019-11-28 14:51:45 -08:00
Chris Robinson
4eb9a0b835 Don't keep a resampled default HRTF 2019-11-28 12:57:42 -08:00
Chris Robinson
f6105cbff0 Resample HRIRs when loading 2019-11-28 12:33:26 -08:00
Chris Robinson
576adf06b1 Store HRIR coefficients using HrirArray 2019-11-28 09:46:16 -08:00
Chris Robinson
925e6e979c Rework HRTF enuemration so the loaded HRTFs are separate 2019-11-28 08:24:29 -08:00
Chris Robinson
1e93fba6d0 Rename HrtfEntry to HrtfStore 2019-11-28 06:10:36 -08:00
Chris Robinson
eb8922596a Apply the full HRIR length for the B-Format decoder 2019-11-21 23:55:10 -08:00
Chris Robinson
2fd8c619b3 Rename a couple struct fields 2019-11-21 02:58:35 -08:00
Chris Robinson
7bc4a27900 Allocate storage for full HRTF coefficient lengths 2019-11-21 02:43:34 -08:00
Chris Robinson
6159b837cf Add a first-order ambisonic decoder for HRTF 2019-11-18 00:32:01 -08:00
Chris Robinson
c86a28af5c Simplify some pi statements 2019-11-16 14:33:09 -08:00
Chris Robinson
6ad252efda Use wrappers to distinguish elevation and azimuth values 2019-11-16 14:07:31 -08:00
Chris Robinson
d120e1464f Improve precision of the HRTF ambisonic decoder matrix 2019-11-13 08:39:27 -08:00
Chris Robinson
0ad512dd51 Clear the whole response HRIR before blending 2019-11-10 21:56:19 -08:00
Chris Robinson
74cbba511d Limit HRTF ambisonic decoding to second-order 
The generated third-order matrix has incorrect first-order coefficients,
indicating a wonky decoder. The generated second-order matrix looks more
stable.
 2019-11-09 13:04:44 -08:00
Raulshc
c5f88ab59f EFX: Add explicit cast to a square function 
MSVC 2015 and above returns the expression according to its datatype.
In this case, returns 4294967295 instead of -1.
 2019-11-09 12:12:53 +01:00
Chris Robinson
d2608e4bde Avoid holding HRTF accumulation samples per-source 
It notably simplifies things to mix HRTF sources into an accumulation buffer
together, which the Dry buffer's Ambisonic-to-HRTF decode is then added to,
before being mixed to the Real output.
 2019-11-03 00:30:33 -07:00
Chris Robinson
2741a94e58 Use rotate to reorder the default list entry 2019-10-28 23:47:30 -07:00
Chris Robinson
d37a294d4c Add a config option for custom ALSA capture devices 2019-10-27 19:20:26 -07:00