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156 Commits

Author SHA1 Message Date
Chris Robinson
eca8825ab4 Explicitly suspend the context being processed for mixing 2009-10-20 13:38:02 -07:00
Chris Robinson
93361118b7 Store a device's contexts in a dynamic array 2009-10-20 11:54:04 -07:00
Chris Robinson
50f963f6c6 Don't try to clamp the listener-to-source velocity for local sources 
Local sources will always have a 0 VLS value
 2009-10-20 11:03:16 -07:00
Chris Robinson
67c3e47ed4 Avoid handling NaN when scaling float samples for output 2009-10-20 09:48:09 -07:00
Chris Robinson
790aa68621 Reduce indentation for CalcSourceParams 2009-10-19 13:25:40 -07:00
Chris Robinson
c7c4cf221a Make the dry buffer part of the device 2009-10-09 01:06:33 -07:00
Chris Robinson
2a77e840cc Fix type casts for 7.1 output 2009-09-30 16:02:49 -07:00
Chris Robinson
af8e7ab984 Check the source start position in alSourcePlayv instead of the mixer 2009-09-24 12:24:10 -07:00
Chris Robinson
83734aff0e Slightly improve the multi-channel mixing loops 2009-09-24 08:52:51 -07:00
Chris Robinson
8ea8b49464 Avoid locking a NULL context when a device is disconnected 2009-09-21 23:31:04 -07:00
Chris Robinson
9f037e8980 Pass the device to aluMixData 2009-09-15 19:30:27 -07:00
Chris Robinson
12f81bcbb9 Move the stereo-to-binaural filter to the device 2009-09-15 19:06:47 -07:00
Chris Robinson
6636131d3b Pass the frame count to aluMixData 2009-09-15 18:19:00 -07:00
Chris Robinson
eeea9631ce Split the source mixing loop into a separate function 
Helps reduce the function size and indentation levels
 2009-09-15 17:56:31 -07:00
Chris Robinson
7976de05a5 Add base support for ALC_EXT_disconnect 
Individual backends need to be updated to handle disconnection events
 2009-08-26 19:15:17 -07:00
Chris Robinson
dc26261065 Support 32-bit float output 2009-08-15 13:20:35 -07:00
Chris Robinson
9bea67fb1c Use a function to convert float to unsigned byte 2009-08-15 11:33:38 -07:00
Chris Robinson
0ac9e57d28 Store the requested mono/stereo source count and sends in the device 
Although the properties are set as context attributes, they are queried from
the device. If multiple contexts per device are ever supported, it would not
be straight forward about where to read the values from. This way, the
attributes can be treated as device-specific attributes that are updated when
a new context is created.
 2009-07-06 03:09:01 -07:00
Chris Robinson
7e01e53445 Fix parsing of layout configuration string 2009-07-02 20:31:36 -07:00
Chris Robinson
c6f3a4e062 Move a couple inline functions into the header 2009-06-07 20:16:41 -07:00
Chris Robinson
2c20f26784 Apply slot gain on slot output, not input 2009-05-29 16:51:00 -07:00
Chris Robinson
2a21a449b4 Slot gain changes should have an immediate effect 2009-05-29 13:50:58 -07:00
Chris Robinson
74dc7090fd Don't expose effect-specific structures 2009-05-29 13:30:50 -07:00
Chris Robinson
34ea7eba9e Add preliminary support for the EAX Reverb effect 
Not all parameters are supported yet, though it is a little more fuctional than
standard reverb
 2009-05-29 01:32:54 -07:00
Chris Robinson
923af8c3a6 Don't update the source's gains in the sample mixing loop 
Update copies stored on the stack instead, then update the source after mixing
 2009-05-26 09:23:49 -07:00
Chris Robinson
ac04cf57fa Make sure _CRT_SECURE_NO_WARNINGS is always defined for MSVC 2009-05-26 06:02:40 -07:00
Chris Robinson
1bfa7609d2 Make the filter functions global inline, and use it for echo 2009-05-16 23:34:26 -07:00
Chris Robinson
7e8501123a Set some common macros in alu.h 2009-05-16 23:26:39 -07:00
Chris Robinson
c447eeb2c7 Use the source reference distance to specify full panning magnitude 
Sources that are closer than the specified reference distance will not pan to
full magnitude, thus providing a smoother transition as it moves around near
the listener
 2009-05-16 03:54:16 -07:00
Chris Robinson
7a7a4844f4 Make the filter history buffer size flexible 
This lets the filter history buffer be as big as needed for a given use, so
that it can have a size large enough for the more demanding cases, but not be
wasteful for lesser-demanding cases, while not incuring the overhead of an
added pointer indirection
 2009-04-16 05:43:09 -07:00
Chris Robinson
e9a6a1d6f5 Use a 2-pole filter for the wet path low-pass filter 
This should help keep CPU use from increasing a lot when the number of sends
increases. Also changes the function names to reflect the difference
 2009-04-14 22:04:18 -07:00
Chris Robinson
f245f0ef87 Make the number of source sends variable 
The highest value is clamped to MAX_SENDS
 2009-04-13 20:33:41 -07:00
Chris Robinson
a30f431b63 Reduce the number of send loops 2009-04-13 02:50:40 -07:00
Chris Robinson
55c790c9ff Add the Echo effect 2009-04-12 16:01:10 -07:00
Chris Robinson
65b69f3308 Fix air absorption 2009-04-11 20:27:55 -07:00
Chris Robinson
c67fbd72dd Pay attention to the MAX_SENDS value 2009-04-11 20:04:46 -07:00
Chris Robinson
1c54018111 Move the WetBuffer into the effect slot object 
This should make it easier to support multiple slots
 2009-04-11 17:04:55 -07:00
Chris Robinson
a8a4ff8af1 Constify some parameters 2009-03-13 23:08:15 -07:00
Chris Robinson
8a857c35ee Calculate filter coefficients in aluMixData 2009-03-13 22:58:54 -07:00
Chris Robinson
8348d719cd Clamp gain of multichannel sources 2009-02-10 15:15:49 -08:00
Chris Robinson
57c2e9b5f8 Include assert.h for assert() 2009-02-02 11:18:33 -08:00
Chris Robinson
7d7fc39035 Use calculated distance from reference for air absorption 2009-01-30 10:56:25 -08:00
Chris Robinson
351105b3df Fix incorrect comment 2009-01-30 10:53:09 -08:00
Chris Robinson
cbfc33215b Use M_PI since it is sure to be defined 2009-01-27 07:11:58 -08:00
Chris Robinson
1f4c69c17a Use a matrix for up- and down-mixing channels 2009-01-25 22:11:07 -08:00
Chris Robinson
f5b19fad20 Duplicate stereo onto the side channels as well as the back 2009-01-25 19:54:50 -08:00
Chris Robinson
bc60818e9a Don't read stereo layout when output is mono 2009-01-25 19:33:52 -08:00
Chris Robinson
f82c88f016 Add options for user-configurable speaker arrangements 2009-01-25 19:20:47 -08:00
Chris Robinson
98e86decad 6.1 uses front- and back-center, not left- and right-back channels 2009-01-24 15:13:14 -08:00
Chris Robinson
aaf2c0ebd4 Seperate mixing loops depending on source channel configuration 2009-01-24 13:57:01 -08:00