Chris Robinson
ce0a45cbc7
Don't assume iterators are pointers
2020-09-09 14:02:02 -07:00
Chris Robinson
68a099ba35
Apply the first convolution segment in the time domain
...
This avoids an inherent delay from the effect, at the cost of higher CPU use.
Having a customizable user-specified delay (with said user ensuring a properly
trimmed impulse response) could help alleviate the cost since once the delay
exceeds the segment size, the initial FIR filter could be skipped.
2020-09-09 02:23:38 -07:00
Chris Robinson
f4a55cc8c2
Don't leave the negative frequencies as 0 for inverse FFT
2020-09-08 23:20:06 -07:00
Chris Robinson
29566b995c
Avoid an extraneous ConvolutionFilter sub-object
2020-09-06 00:16:50 -07:00
Chris Robinson
c52bf8c401
Rework effect slot buffer setting
...
Rather than creating an effect-specific buffer that gets passed along as a
property, the buffer is set the effect state when the effect state is created,
the device is updated, or the buffer is changed. The buffer can only be set
while the effect slot isn't playing, so it won't be changed or updated while
the mixer is processing the effect state.
2020-09-05 20:48:56 -07:00
Chris Robinson
af97a92952
Move more processing to the ConvolutionFilter struct
2020-08-31 06:43:42 -07:00
Chris Robinson
88425becb2
Remove a couple unnecessary pointers
2020-08-30 04:41:19 -07:00
Chris Robinson
82873486b7
Dynamically allocate the convolution channel mixing data
2020-08-30 04:28:01 -07:00
Chris Robinson
ebe0765ce3
Reorganize some convolution fields
2020-08-30 03:42:44 -07:00
Chris Robinson
3fdee6c814
Calculate the correct number of convolution segments
2020-08-28 23:08:44 -07:00
Chris Robinson
ecfb0d4f5b
Limit convolution processing to the output ambisonic order
2020-08-28 06:47:21 -07:00
Chris Robinson
7266cd8b6c
Don't dereference a null convolution filter
2020-08-28 06:44:05 -07:00
Chris Robinson
52531d8b72
Support B-Format impulse responses for convolution
2020-08-28 05:48:26 -07:00
Chris Robinson
986a58d5b4
Pass a BufferStorage to EffectState::createBuffer
2020-08-28 00:44:55 -07:00
Chris Robinson
a9ebcdcb7f
Handle 0-length convolution buffers
2020-08-27 21:32:25 -07:00
Chris Robinson
2a01940041
De-duplicate LoadSampleArray and FmtTypeTraits
2020-08-26 21:29:16 -07:00
Chris Robinson
9dab2db33b
Avoid copying the convolution filter history to shift it
...
Instead, the current/head/newest segment is tracked, and decremented with each
process to overwrite the oldest.
2020-08-25 15:43:48 -07:00
Chris Robinson
801c7a9226
Initial implementation of the convolution effect
...
Currently limited to mono and stereo impulse responses, and stereo IRs try to
use direct/real output rather than panning.
2020-08-25 04:21:10 -07:00
Chris Robinson
1a9fbc1b2f
Stub out a convolution effect state
2020-08-24 20:04:16 -07:00
