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934 Commits

Author SHA1 Message Date
Chris Robinson
10a9753183 Add a compatibility option to treat cone angles as half angles 
All previous versions of the library treated the source cone angles as half
angles, which is contrary to the spec. Setting the __ALSOFT_HALF_ANGLE_CONES
environment variable to "true" or "1" restores the buggy behavior for
compatibility with applications that expect it.

This is not a config file option because new apps should not be made to depend
on the old behavior.
 2011-04-22 23:17:27 -07:00
Chris Robinson
1e8718fe87 Convert full-width cone angle source properties to half-width 
The spec intends the property values to be the full angle encompassed by the
cones, but the calculation interprets them as the angle from the center
point.
 2011-04-22 22:59:58 -07:00
Chris Robinson
678d0b87d0 Apply the device matrix to the multi-channel source matrix 
Mono sources and effects already output according to the available output
device channels. Multiplying the device matrix with the source matrix results
in a matrix that has the same effect as applying the source matrix followed by
the device matrix, so all the channel remixing can be done in one place.
 2011-04-14 21:03:37 -07:00
Chris Robinson
319dfce300 Fix LFE channel output 2011-04-14 15:20:25 -07:00
Chris Robinson
c3e86933d0 Only set relevant device matrix entries 2011-04-12 17:08:02 -07:00
Chris Robinson
936acf8c10 Allow the buffer_samples API to be retrieved 2011-04-10 09:48:37 -07:00
Chris Robinson
2f7de9d696 Add alBufferSamplesSOFT, as an initial start to AL_SOFT_buffer_samples 2011-03-16 11:29:22 -07:00
Chris Robinson
b510958f9e NoErr should be noErr 2011-03-15 11:52:18 -07:00
Chris Robinson
d6c8bb35b4 Add a CoreAudio backend 
Code courtesy of Garin Hiebert <garinh@cheesetoast.net>
 2011-03-15 04:58:56 -07:00
Chris Robinson
4eeed5376f Invert the device matrix row/column 
It is accessed now as mat[target][source]
 2011-03-13 08:46:54 -07:00
Chris Robinson
77ad538e68 Remove more unneeded casts 2011-03-13 07:11:09 -07:00
Chris Robinson
b699aca65b Remove unnecessary casts 2011-03-13 06:34:41 -07:00
Chris Robinson
208912ceac Fix DSound floating-point sample assumptions 2011-03-12 22:52:33 -08:00
Chris Robinson
8249dc8559 Combine multiple lists into one 2011-03-12 20:37:22 -08:00
Chris Robinson
73123bc313 Add support for ALC_EXT_DEDICATED 2011-03-12 20:11:25 -08:00
Chris Robinson
66ee3bc217 Better protect the device for multi-threading access 2011-03-12 06:23:17 -08:00
Chris Robinson
031a2a1b1e Implement a basic non-real-time loopback device 
Currently it behaves just like a normal device except contexts are only
processed during calls to alcRenderSamples. Additionally, the ALC_SYNC and
ALC_REFRESH context attributes are not valid for these devices, and there are
two new context attributes to specify the rendering format: ALC_FORMAT_TYPE
and ALC_FORMAT_CHANNELS. These each take one of the type and channel enums
added.
This stuff is subject to change.
 2011-03-11 00:13:44 -08:00
Chris Robinson
d9126eeb2c Finalize the loop points extension as AL_SOFT_loop_points 2011-02-09 22:54:12 -08:00
Chris Robinson
fd64fea279 Use the correct winmm device ID type 2011-02-08 10:33:18 -08:00
Chris Robinson
13397feccf Don't inline CalcLimitedHfRatio 2011-02-07 23:58:40 -08:00
Chris Robinson
57b05fb6d4 Add a missing enum value for PA_API_VERSION 11 2011-02-07 23:53:07 -08:00
Chris Robinson
41a2c25b5a Include cguid.h for GUID_NULL 2011-02-07 22:46:54 -08:00
Chris Robinson
6713a47d38 Fix looping on loop points 2011-02-06 01:07:37 -08:00
Chris Robinson
02e0223fe8 Re-enable channel-config-specific layout options 2011-01-23 23:57:39 -08:00
Chris Robinson
6c4add67e1 Don't duplicate the device list append function 2011-01-23 23:16:55 -08:00
Chris Robinson
2b7324c06e Avoid using a variable for array sizes and const variable initialization 2011-01-23 22:30:18 -08:00
Chris Robinson
c95bd6cadf Fix loop handling when traversing the buffer queue backwards 2011-01-23 15:04:42 -08:00
Chris Robinson
d73694d3e6 More improvements to the AudioIO backend 2010-12-09 23:53:32 -08:00
Chris Robinson
5d607f9484 Better check format type returned by AUDIO_SETINFO 2010-12-09 23:47:11 -08:00
Chris Robinson
816c38e9e4 Add signed 8-bit output to the AudioIO backend 2010-12-09 23:43:29 -08:00
Chris Robinson
09130e5dcd Fix some AudioIO backend warnings 2010-12-09 23:41:54 -08:00
Chris Robinson
b87447787a Cleanup some ok() macros 2010-12-09 23:32:47 -08:00
Chris Robinson
031111014b Be consistent with variable name use 2010-12-09 18:09:47 -08:00
Chris Robinson
3deaa2fad3 Combine stereo and multi-channel templates 2010-12-09 17:14:12 -08:00
Chris Robinson
c3cd4c80b2 Use a matrix when rendering to the dry buffer 2010-12-09 16:37:23 -08:00
Chris Robinson
be3f3c4bf0 Make better use of the type range when converting from float 2010-12-09 05:06:29 -08:00
Chris Robinson
d1ca8b4470 Use simple loops instead of several explicit lines for the mono mixer 2010-12-09 05:05:42 -08:00
Chris Robinson
72e3386c6a Be a bit more generic with the multi-channel mixer loops 2010-12-09 04:41:52 -08:00
Chris Robinson
4010a6b745 Remove some now-unused functions 2010-12-08 02:56:24 -08:00
Chris Robinson
c4adf541c1 Set the playing flag to TRUE when the dsound buffer starts playing 2010-12-04 20:22:12 -08:00
Chris Robinson
88e3a22772 Separate device format into 'channel config' and 'sample type' components 2010-12-04 19:50:00 -08:00
Chris Robinson
191803ad53 Fix wave and null device calculations when the timer wraps 2010-12-03 23:48:59 -08:00
Chris Robinson
59990acc2a Add functions to write (signed) byte and ushort samples to devices 2010-12-02 16:36:37 -08:00
Chris Robinson
0bf7716332 Remove incomplete EXT_buffer_sub_data, as it's (temporarily) superceded by SOFT_buffer_sub_data 
The EXT version can come back when other implementations take an interest
 2010-12-02 01:46:43 -08:00
Chris Robinson
3339e5dc6a Use memcpy to copy a string instead of sprintf 2010-12-02 01:12:49 -08:00
Chris Robinson
30b3f68ddf Make a function static 2010-12-02 01:05:29 -08:00
Chris Robinson
4a0bf9fd44 Template-ize the device buffer writing functions 2010-12-01 21:50:49 -08:00
Chris Robinson
9e8fb89a52 Rename OUTPUTCHANNELS to something more descriptive 2010-12-01 18:33:17 -08:00
Chris Robinson
0cf32e2946 Reorder some parameters for consistency 2010-11-29 19:48:18 -08:00
Chris Robinson
eb489ac886 Store double formats as float 
The mixer will cut it down to float anyway, so it's unnecessary and needlessly
creates more mixer functions
 2010-11-28 23:07:57 -08:00