Mercurial > sdl-ios-xcode

annotate src/audio/macosx/SDL_coreaudio.c @ 2476:242d8a668ebb gsoc2008_force_feedback

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* Implemented opening and closing of haptic devices.
author Edgar Simo <bobbens@gmail.com>
date Mon, 23 Jun 2008 09:01:58 +0000
parents 6359f74f3170
children 79c1bd651f04
rev   line source
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
6 modify it under the terms of the GNU Lesser General Public
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
13 Lesser General Public License for more details.
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 936
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
24 #include <CoreAudio/CoreAudio.h>
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25 #include <AudioUnit/AudioUnit.h>
2281
6359f74f3170 Date: Wed, 14 Nov 2007 22:20:27 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 2110
diff changeset
26 #ifdef AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER
6359f74f3170 Date: Wed, 14 Nov 2007 22:20:27 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 2110
diff changeset
27 #include <AudioUnit/AUNTComponent.h>
6359f74f3170 Date: Wed, 14 Nov 2007 22:20:27 -0500
Sam Lantinga <slouken@libsdl.org>
parents: 2110
diff changeset
28 #endif
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 #include "SDL_audio.h"
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
31 #include "../SDL_audio_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
32 #include "../SDL_sysaudio.h"
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33 #include "SDL_coreaudio.h"
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
35 #define DEBUG_COREAUDIO 0
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
37 typedef struct COREAUDIO_DeviceList
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
38 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
39 AudioDeviceID id;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
40 const char *name;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
41 } COREAUDIO_DeviceList;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
42
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
43 static COREAUDIO_DeviceList *inputDevices = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
44 static int inputDeviceCount = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
45 static COREAUDIO_DeviceList *outputDevices = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
46 static int outputDeviceCount = 0;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
47
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
48 static void
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
49 free_device_list(COREAUDIO_DeviceList ** devices, int *devCount)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
50 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
51 if (*devices) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
52 int i = *devCount;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
53 while (i--)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
54 SDL_free((void *) (*devices)[i].name);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
55 SDL_free(*devices);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
56 *devices = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
57 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
58 *devCount = 0;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
59 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
60
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
61
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
62 static void
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
63 build_device_list(int iscapture, COREAUDIO_DeviceList ** devices,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
64 int *devCount)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
66 Boolean outWritable = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
67 OSStatus result = noErr;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
68 UInt32 size = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
69 AudioDeviceID *devs = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
70 UInt32 i = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
71 UInt32 max = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
72
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
73 free_device_list(devices, devCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
74
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
75 result = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
76 &size, &outWritable);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
77
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
78 if (result != kAudioHardwareNoError)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
79 return;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
80
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
81 devs = (AudioDeviceID *) alloca(size);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
82 if (devs == NULL)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
83 return;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
84
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
85 max = size / sizeof(AudioDeviceID);
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
86 *devices = (COREAUDIO_DeviceList *) SDL_malloc(max * sizeof(**devices));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
87 if (*devices == NULL)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
88 return;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
89
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
90 result = AudioHardwareGetProperty(kAudioHardwarePropertyDevices,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
91 &size, devs);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
92 if (result != kAudioHardwareNoError)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
93 return;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
94
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
95 for (i = 0; i < max; i++) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
96 CFStringRef cfstr = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
97 char *ptr = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
98 AudioDeviceID dev = devs[i];
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
99 AudioBufferList *buflist = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
100 int usable = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
101 CFIndex len = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
102
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
103 result = AudioDeviceGetPropertyInfo(dev, 0, iscapture,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
104 kAudioDevicePropertyStreamConfiguration,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
105 &size, &outWritable);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
106 if (result != noErr)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
107 continue;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
108
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
109 buflist = (AudioBufferList *) SDL_malloc(size);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
110 if (buflist == NULL)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
111 continue;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
112
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
113 result = AudioDeviceGetProperty(dev, 0, iscapture,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
114 kAudioDevicePropertyStreamConfiguration,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
115 &size, buflist);
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
117 if (result == noErr) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
118 UInt32 j;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
119 for (j = 0; j < buflist->mNumberBuffers; j++) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
120 if (buflist->mBuffers[j].mNumberChannels > 0) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
121 usable = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
122 break;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
123 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
124 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
125 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
126
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
127 SDL_free(buflist);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
128
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
129 if (!usable)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
130 continue;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
131
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
132 size = sizeof(CFStringRef);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
133 result = AudioDeviceGetProperty(dev, 0, iscapture,
2110
21942f552734 Fixed build issues on Mac OS X
Sam Lantinga <slouken@libsdl.org>
parents: 2060
diff changeset
134 kAudioDevicePropertyDeviceNameCFString,
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
135 &size, &cfstr);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
136
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
137 if (result != kAudioHardwareNoError)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
138 continue;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
139
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
140 len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(cfstr),
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
141 kCFStringEncodingUTF8);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
142
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
143 ptr = (char *) SDL_malloc(len + 1);
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
144 usable = ((ptr != NULL) &&
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
145 (CFStringGetCString
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
146 (cfstr, ptr, len + 1, kCFStringEncodingUTF8)));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
147
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
148 CFRelease(cfstr);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
149
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
150 if (usable) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
151 len = strlen(ptr);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
152 /* Some devices have whitespace at the end...trim it. */
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
153 while ((len > 0) && (ptr[len - 1] == ' ')) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
154 len--;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
155 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
156 usable = (len > 0);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
157 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
158
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
159 if (!usable) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
160 SDL_free(ptr);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
161 } else {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
162 ptr[len] = '\0';
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
163
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
164 #if DEBUG_COREAUDIO
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
165 printf("COREAUDIO: Found %s device #%d: '%s' (devid %d)\n",
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
166 ((iscapture) ? "capture" : "output"),
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
167 (int) *devCount, ptr, (int) dev);
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
168 #endif
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
169
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
170 (*devices)[*devCount].id = dev;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
171 (*devices)[*devCount].name = ptr;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
172 (*devCount)++;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
173 }
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
177 static inline void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
178 build_device_lists(void)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
179 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
180 build_device_list(0, &outputDevices, &outputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
181 build_device_list(1, &inputDevices, &inputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
182 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
183
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
184
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
185 static inline void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
186 free_device_lists(void)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
187 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
188 free_device_list(&outputDevices, &outputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
189 free_device_list(&inputDevices, &inputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
190 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
191
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
192
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
193 static int
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
194 find_device_id(const char *devname, int iscapture, AudioDeviceID * id)
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
195 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
196 int i = ((iscapture) ? inputDeviceCount : outputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
197 COREAUDIO_DeviceList *devs = ((iscapture) ? inputDevices : outputDevices);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
198 while (i--) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
199 if (SDL_strcmp(devname, devs->name) == 0) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
200 *id = devs->id;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
201 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
202 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
203 devs++;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
204 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
205
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
206 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
207 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
208
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
209
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
210 static int
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
211 COREAUDIO_DetectDevices(int iscapture)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
212 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
213 if (iscapture) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
214 build_device_list(1, &inputDevices, &inputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
215 return inputDeviceCount;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
216 } else {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
217 build_device_list(0, &outputDevices, &outputDeviceCount);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
218 return outputDeviceCount;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
219 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
220
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
221 return 0; /* shouldn't ever hit this. */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
222 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
223
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
224
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
225 static const char *
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
226 COREAUDIO_GetDeviceName(int index, int iscapture)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
227 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
228 if ((iscapture) && (index < inputDeviceCount)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
229 return inputDevices[index].name;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
230 } else if ((!iscapture) && (index < outputDeviceCount)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
231 return outputDevices[index].name;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
232 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
233
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
234 SDL_SetError("No such device");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
235 return NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
236 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
237
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
238
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
239 static void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
240 COREAUDIO_Deinitialize(void)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
241 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
242 free_device_lists();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
243 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
244
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 /* The CoreAudio callback */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
247 static OSStatus
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
248 outputCallback(void *inRefCon,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
249 AudioUnitRenderActionFlags * ioActionFlags,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
250 const AudioTimeStamp * inTimeStamp,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
251 UInt32 inBusNumber, UInt32 inNumberFrames,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
252 AudioBufferList * ioDataList)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
254 SDL_AudioDevice *this = (SDL_AudioDevice *) inRefCon;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
255 AudioBuffer *ioData = &ioDataList->mBuffers[0];
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 UInt32 remaining, len;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 void *ptr;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
259 /* Is there ever more than one buffer, and what do you do with it? */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
260 if (ioDataList->mNumberBuffers != 1) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
261 return noErr;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
262 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
263
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 /* Only do anything if audio is enabled and not paused */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
265 if (!this->enabled || this->paused) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
266 SDL_memset(ioData->mData, this->spec.silence, ioData->mDataByteSize);
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 return 0;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
269
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 /* No SDL conversion should be needed here, ever, since we accept
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 any input format in OpenAudio, and leave the conversion to CoreAudio.
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 */
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
273 /*
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
274 assert(!this->convert.needed);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
275 assert(this->spec.channels == ioData->mNumberChannels);
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1336
diff changeset
276 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
277
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 remaining = ioData->mDataByteSize;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 ptr = ioData->mData;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 while (remaining > 0) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
281 if (this->hidden->bufferOffset >= this->hidden->bufferSize) {
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 /* Generate the data */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
283 SDL_memset(this->hidden->buffer, this->spec.silence,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
284 this->hidden->bufferSize);
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 SDL_mutexP(this->mixer_lock);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
286 (*this->spec.callback) (this->spec.userdata, this->hidden->buffer,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
287 this->hidden->bufferSize);
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 SDL_mutexV(this->mixer_lock);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
289 this->hidden->bufferOffset = 0;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
291
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
292 len = this->hidden->bufferSize - this->hidden->bufferOffset;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 if (len > remaining)
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 len = remaining;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
295 SDL_memcpy(ptr,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
296 (char *) this->hidden->buffer + this->hidden->bufferOffset,
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
297 len);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
298 ptr = (char *) ptr + len;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 remaining -= len;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
300 this->hidden->bufferOffset += len;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
302
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 return 0;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
306 static OSStatus
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
307 inputCallback(void *inRefCon,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
308 AudioUnitRenderActionFlags * ioActionFlags,
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
309 const AudioTimeStamp * inTimeStamp,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
310 UInt32 inBusNumber, UInt32 inNumberFrames,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
311 AudioBufferList * ioData)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
313 //err = AudioUnitRender(afr->fAudioUnit, ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, afr->fAudioBuffer);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
314 // !!! FIXME: write me!
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
315 return noErr;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
318
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
319 static void
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
320 COREAUDIO_CloseDevice(_THIS)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
322 if (this->hidden != NULL) {
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
323 if (this->hidden->audioUnitOpened) {
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
324 OSStatus result = noErr;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
325 AURenderCallbackStruct callback;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
326 const AudioUnitElement output_bus = 0;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
327 const AudioUnitElement input_bus = 1;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
328 const int iscapture = this->iscapture;
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
329 const AudioUnitElement bus =
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
330 ((iscapture) ? input_bus : output_bus);
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
331 const AudioUnitScope scope =
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
332 ((iscapture) ? kAudioUnitScope_Output :
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
333 kAudioUnitScope_Input);
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
335 /* stop processing the audio unit */
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
336 result = AudioOutputUnitStop(this->hidden->audioUnit);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
337
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
338 /* Remove the input callback */
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
339 SDL_memset(&callback, '\0', sizeof(AURenderCallbackStruct));
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
340 result = AudioUnitSetProperty(this->hidden->audioUnit,
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
341 kAudioUnitProperty_SetRenderCallback,
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
342 scope, bus, &callback,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
343 sizeof(callback));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
344
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
345 CloseComponent(this->hidden->audioUnit);
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
346 this->hidden->audioUnitOpened = 0;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
347 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
348 SDL_free(this->hidden->buffer);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
349 SDL_free(this->hidden);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
350 this->hidden = NULL;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 }
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
352 }
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 #define CHECK_RESULT(msg) \
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 if (result != noErr) { \
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
357 COREAUDIO_CloseDevice(this); \
2017
df06e6eb65c6 Fixed macosx audio initialization (passed wrong struct to CoreAudio).
Ryan C. Gordon <icculus@icculus.org>
parents: 2016
diff changeset
358 SDL_SetError("CoreAudio error (%s): %d", msg, (int) result); \
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
359 return 0; \
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
360 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
361
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
362 static int
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
363 find_device_by_name(_THIS, const char *devname, int iscapture)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
364 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
365 AudioDeviceID devid = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
366 OSStatus result = noErr;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
367 UInt32 size = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
368 UInt32 alive = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
369 pid_t pid = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
370
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
371 if (devname == NULL) {
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
372 size = sizeof(AudioDeviceID);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
373 const AudioHardwarePropertyID propid =
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
374 ((iscapture) ? kAudioHardwarePropertyDefaultInputDevice :
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
375 kAudioHardwarePropertyDefaultOutputDevice);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
376
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
377 result = AudioHardwareGetProperty(propid, &size, &devid);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
378 CHECK_RESULT("AudioHardwareGetProperty (default device)");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
379 } else {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
380 if (!find_device_id(devname, iscapture, &devid)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
381 SDL_SetError("CoreAudio: No such audio device.");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
382 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
383 }
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
386 size = sizeof(alive);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
387 result = AudioDeviceGetProperty(devid, 0, iscapture,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
388 kAudioDevicePropertyDeviceIsAlive,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
389 &size, &alive);
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
390 CHECK_RESULT
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
391 ("AudioDeviceGetProperty (kAudioDevicePropertyDeviceIsAlive)");
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
393 if (!alive) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
394 SDL_SetError("CoreAudio: requested device exists, but isn't alive.");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
395 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
396 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
397
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
398 size = sizeof(pid);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
399 result = AudioDeviceGetProperty(devid, 0, iscapture,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
400 kAudioDevicePropertyHogMode, &size, &pid);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
401
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
402 /* some devices don't support this property, so errors are fine here. */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
403 if ((result == noErr) && (pid != -1)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
404 SDL_SetError("CoreAudio: requested device is being hogged.");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
405 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
406 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
407
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
408 this->hidden->deviceID = devid;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
409 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
410 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
411
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
412
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
413 static int
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
414 prepare_audiounit(_THIS, const char *devname, int iscapture,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
415 const AudioStreamBasicDescription * strdesc)
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 {
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 OSStatus result = noErr;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
418 AURenderCallbackStruct callback;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 ComponentDescription desc;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
420 Component comp = NULL;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
421 int use_system_device = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
422 UInt32 enableIO = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
423 const AudioUnitElement output_bus = 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
424 const AudioUnitElement input_bus = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
425 const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
426 const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output :
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
427 kAudioUnitScope_Input);
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
428
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
429 if (!find_device_by_name(this, devname, iscapture)) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
430 SDL_SetError("Couldn't find requested CoreAudio device");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
431 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
432 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
433
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
434 SDL_memset(&desc, '\0', sizeof(ComponentDescription));
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
435 desc.componentType = kAudioUnitType_Output;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
436 desc.componentSubType = kAudioUnitSubType_HALOutput;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
437 desc.componentManufacturer = kAudioUnitManufacturer_Apple;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
438
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
439 comp = FindNextComponent(NULL, &desc);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
440 if (comp == NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
441 SDL_SetError("Couldn't find requested CoreAudio component");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
442 return 0;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
443 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
444
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
445 /* Open & initialize the audio unit */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
446 result = OpenAComponent(comp, &this->hidden->audioUnit);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
447 CHECK_RESULT("OpenAComponent");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
448
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
449 this->hidden->audioUnitOpened = 1;
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
450
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
451 // !!! FIXME: this is wrong?
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
452 enableIO = ((iscapture) ? 1 : 0);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
453 result = AudioUnitSetProperty(this->hidden->audioUnit,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
454 kAudioOutputUnitProperty_EnableIO,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
455 kAudioUnitScope_Input, input_bus,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
456 &enableIO, sizeof(enableIO));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
457 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_EnableIO input)");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
458
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
459 // !!! FIXME: this is wrong?
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
460 enableIO = ((iscapture) ? 0 : 1);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
461 result = AudioUnitSetProperty(this->hidden->audioUnit,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
462 kAudioOutputUnitProperty_EnableIO,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
463 kAudioUnitScope_Output, output_bus,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
464 &enableIO, sizeof(enableIO));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
465 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_EnableIO output)");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
466
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
467 result = AudioUnitSetProperty(this->hidden->audioUnit,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
468 kAudioOutputUnitProperty_CurrentDevice,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
469 kAudioUnitScope_Global, 0,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
470 &this->hidden->deviceID,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
471 sizeof(AudioDeviceID));
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
472 CHECK_RESULT
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
473 ("AudioUnitSetProperty (kAudioOutputUnitProperty_CurrentDevice)");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
474
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
475 /* Set the data format of the audio unit. */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
476 result = AudioUnitSetProperty(this->hidden->audioUnit,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
477 kAudioUnitProperty_StreamFormat,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
478 scope, bus, strdesc, sizeof(*strdesc));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
479 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_StreamFormat)");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
480
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
481 /* Set the audio callback */
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
482 SDL_memset(&callback, '\0', sizeof(AURenderCallbackStruct));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
483 callback.inputProc = ((iscapture) ? inputCallback : outputCallback);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
484 callback.inputProcRefCon = this;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
485 result = AudioUnitSetProperty(this->hidden->audioUnit,
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
486 kAudioUnitProperty_SetRenderCallback,
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
487 scope, bus, &callback, sizeof(callback));
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
488 CHECK_RESULT
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
489 ("AudioUnitSetProperty (kAudioUnitProperty_SetInputCallback)");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
490
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
491 /* Calculate the final parameters for this audio specification */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
492 SDL_CalculateAudioSpec(&this->spec);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
493
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
494 /* Allocate a sample buffer */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
495 this->hidden->bufferOffset = this->hidden->bufferSize = this->spec.size;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
496 this->hidden->buffer = SDL_malloc(this->hidden->bufferSize);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
497
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
498 result = AudioUnitInitialize(this->hidden->audioUnit);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
499 CHECK_RESULT("AudioUnitInitialize");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
500
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
501 /* Finally, start processing of the audio unit */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
502 result = AudioOutputUnitStart(this->hidden->audioUnit);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
503 CHECK_RESULT("AudioOutputUnitStart");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
504
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
505 /* We're running! */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
506 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
507 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
508
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
509
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
510 static int
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
511 COREAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
512 {
2016
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
513 AudioStreamBasicDescription strdesc;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
514 SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
515 int valid_datatype = 0;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
517 /* Initialize all variables that we clean on shutdown */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
518 this->hidden = (struct SDL_PrivateAudioData *)
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
519 SDL_malloc((sizeof *this->hidden));
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
520 if (this->hidden == NULL) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
521 SDL_OutOfMemory();
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
522 return (0);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
523 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
524 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
525
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 /* Setup a AudioStreamBasicDescription with the requested format */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
527 SDL_memset(&strdesc, '\0', sizeof(AudioStreamBasicDescription));
2016
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
528 strdesc.mFormatID = kAudioFormatLinearPCM;
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
529 strdesc.mFormatFlags = kLinearPCMFormatFlagIsPacked;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
530 strdesc.mChannelsPerFrame = this->spec.channels;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
531 strdesc.mSampleRate = this->spec.freq;
2016
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
532 strdesc.mFramesPerPacket = 1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
533
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
534 while ((!valid_datatype) && (test_format)) {
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
535 this->spec.format = test_format;
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
536 /* Just a list of valid SDL formats, so people don't pass junk here. */
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
537 switch (test_format) {
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
538 case AUDIO_U8:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
539 case AUDIO_S8:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
540 case AUDIO_U16LSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
541 case AUDIO_S16LSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
542 case AUDIO_U16MSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
543 case AUDIO_S16MSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
544 case AUDIO_S32LSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
545 case AUDIO_S32MSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
546 case AUDIO_F32LSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
547 case AUDIO_F32MSB:
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
548 valid_datatype = 1;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
549 strdesc.mBitsPerChannel = SDL_AUDIO_BITSIZE(this->spec.format);
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
550 if (SDL_AUDIO_ISBIGENDIAN(this->spec.format))
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
551 strdesc.mFormatFlags |= kLinearPCMFormatFlagIsBigEndian;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
552
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
553 if (SDL_AUDIO_ISFLOAT(this->spec.format))
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
554 strdesc.mFormatFlags |= kLinearPCMFormatFlagIsFloat;
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
555 else if (SDL_AUDIO_ISSIGNED(this->spec.format))
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
556 strdesc.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
557 break;
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
558 }
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
559 }
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
560
2043
adf732f1f016 Formatting update
Sam Lantinga <slouken@libsdl.org>
parents: 2017
diff changeset
561 if (!valid_datatype) { /* shouldn't happen, but just in case... */
2055
72cc2226d6a3 Fix potential memory leaks if CoreAudio initialization fails.
Ryan C. Gordon <icculus@icculus.org>
parents: 2049
diff changeset
562 COREAUDIO_CloseDevice(this);
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
563 SDL_SetError("Unsupported audio format");
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
564 return 0;
2003
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
565 }
506851d3efa4 Mac OS X audio backend now supports int32/float32.
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
566
2016
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
567 strdesc.mBytesPerFrame =
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
568 strdesc.mBitsPerChannel * strdesc.mChannelsPerFrame / 8;
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
569 strdesc.mBytesPerPacket =
72fa74928062 Compile fixes.
Ryan C. Gordon <icculus@icculus.org>
parents: 2003
diff changeset
570 strdesc.mBytesPerFrame * strdesc.mFramesPerPacket;
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
571
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
572 if (!prepare_audiounit(this, devname, iscapture, &strdesc)) {
2057
c2fed8bb6700 Oh for crying out loud...
Ryan C. Gordon <icculus@icculus.org>
parents: 2055
diff changeset
573 COREAUDIO_CloseDevice(this);
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
574 return 0; /* prepare_audiounit() will call SDL_SetError()... */
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
575 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
576
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
577 return 1; /* good to go. */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
578 }
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
579
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
580 static int
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
581 COREAUDIO_Init(SDL_AudioDriverImpl * impl)
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
582 {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
583 /* Set the function pointers */
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
584 impl->DetectDevices = COREAUDIO_DetectDevices;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
585 impl->GetDeviceName = COREAUDIO_GetDeviceName;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
586 impl->OpenDevice = COREAUDIO_OpenDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
587 impl->CloseDevice = COREAUDIO_CloseDevice;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
588 impl->Deinitialize = COREAUDIO_Deinitialize;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
589 impl->ProvidesOwnCallbackThread = 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
590
2060
866052b01ee5 indent is evil
Sam Lantinga <slouken@libsdl.org>
parents: 2057
diff changeset
591 build_device_lists(); /* do an initial check for devices... */
2049
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
592
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
593 return 1;
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
594 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
595
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
596 AudioBootStrap COREAUDIO_bootstrap = {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
597 "coreaudio", "Mac OS X CoreAudio", COREAUDIO_Init, 0
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
598 };
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents: 2043
diff changeset
599
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
600 /* vi: set ts=4 sw=4 expandtab: */