sdl-ios-xcode: src/audio/macosx/SDL

annotate src/audio/macosx/SDL_coreaudio.c @ 3790:8f8209f8da6d SDL-ryan-multiple-audio-device

Added audio device enumeration for 1.3.

author	Ryan C. Gordon <icculus@icculus.org>
date	Tue, 03 Oct 2006 20:07:50 +0000
parents	7006b176ef4f
children	866c310e2cb5

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
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 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>
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #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	28 #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	29 #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	30 #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	31
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	32 #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	33
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	34 typedef struct COREAUDIO_DeviceList
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	35 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	36 AudioDeviceID id;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	37 const char *name;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	38 } COREAUDIO_DeviceList;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	39
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	40 static COREAUDIO_DeviceList *inputDevices = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	41 static int inputDeviceCount = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	42 static COREAUDIO_DeviceList *outputDevices = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	43 static int outputDeviceCount = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	44
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	45 static void
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	46 free_device_list(COREAUDIO_DeviceList *devices, int devCount)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	47 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	48 if (*devices) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	49 int i = *devCount;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	50 while (i--)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	51 SDL_free((void ) (devices)[i].name);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	52 SDL_free(*devices);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	53 *devices = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	54 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	55 *devCount = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	56 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	57
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	58
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	59 static void
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	60 build_device_list(int iscapture, COREAUDIO_DeviceList *devices, int devCount)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	61 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	62 Boolean outWritable = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	63 OSStatus result = noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	64 UInt32 size = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	65 AudioDeviceID *devs = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	66 UInt32 i = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	67 UInt32 max = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	68
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	69 free_device_list(devices, devCount);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	70
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	71 result = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	72 &size, &outWritable);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	73
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	74 if (result != kAudioHardwareNoError)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	75 return;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	76
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	77 devs = (AudioDeviceID *) alloca(size);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	78 if (devs == NULL)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	79 return;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	80
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	81 max = size / sizeof (AudioDeviceID);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	82 devices = (COREAUDIO_DeviceList ) SDL_malloc(max * sizeof (**devices));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	83 if (*devices == NULL)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	84 return;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	85
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	86 result = AudioHardwareGetProperty(kAudioHardwarePropertyDevices,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	87 &size, devs);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	88 if (result != kAudioHardwareNoError)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	89 return;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	90
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	91 for (i = 0; i < max; i++) {
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	92 CFStringRef cfstr = NULL;
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	93 char *ptr = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	94 AudioDeviceID dev = devs[i];
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	95 AudioBufferList *buflist = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	96 int usable = 0;
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	97 CFIndex len = 0;
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	98
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	99 result = AudioDeviceGetPropertyInfo(dev, 0, iscapture,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	100 kAudioDevicePropertyStreamConfiguration,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	101 &size, &outWritable);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	102 if (result != noErr)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	103 continue;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	104
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	105 buflist = (AudioBufferList *) SDL_malloc(size);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	106 if (buflist == NULL)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	107 continue;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	108
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	109 result = AudioDeviceGetProperty(dev, 0, iscapture,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	110 kAudioDevicePropertyStreamConfiguration,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	111 &size, buflist);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	112
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	113 if (result == noErr) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	114 UInt32 j;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	115 for (j = 0; j < buflist->mNumberBuffers; j++) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	116 if (buflist->mBuffers[j].mNumberChannels > 0) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	117 usable = 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	118 break;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	119 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	120 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	121 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	122
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	123 SDL_free(buflist);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	124
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	125 if (!usable)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	126 continue;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	127
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	128 size = sizeof (CFStringRef);
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	129 result = AudioDeviceGetProperty(dev, 0, iscapture,
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	130 kAudioObjectPropertyName,
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	131 &size, &cfstr);
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	132
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	133 if (result != kAudioHardwareNoError)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	134 continue;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	135
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	136 len = CFStringGetMaximumSizeForEncoding(CFStringGetLength(cfstr),
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	137 kCFStringEncodingUTF8);
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	138
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	139 ptr = (char *) SDL_malloc(len + 1);
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	140 usable = ( (ptr != NULL) &&
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	141 (CFStringGetCString(cfstr,ptr,len+1,kCFStringEncodingUTF8)) );
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	142
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	143 CFRelease(cfstr);
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	144
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	145 if (usable) {
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	146 len = strlen(ptr);
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	147 /* Some devices have whitespace at the end...trim it. */
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	148 while ((len > 0) && (ptr[len-1] == ' ')) {
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	149 len--;
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	150 }
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	151 usable = (len > 0);
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	152 }
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	153
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	154 if (!usable) {
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	155 SDL_free(ptr);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	156 } else {
3788 7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	157 ptr[len] = '\0';
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	158
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	159 #if DEBUG_COREAUDIO
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	160 printf("COREAUDIO: Found %s device #%d: '%s' (devid %d)\n",
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	161 ((iscapture) ? "capture" : "output"),
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	162 (int) *devCount, ptr, (int) dev);
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	163 #endif
7006b176ef4f More work on the 1.3 CoreAudio code. Ryan C. Gordon <icculus@icculus.org> parents: 3787 diff changeset	164
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	165 (devices)[devCount].id = dev;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	166 (devices)[devCount].name = ptr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	167 (*devCount)++;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	168 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	169 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	170 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	171
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	172 static inline void
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	173 build_device_lists(void)
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	174 {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	175 build_device_list(0, &outputDevices, &outputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	176 build_device_list(1, &inputDevices, &inputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	177 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	178
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	179
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	180 static inline void
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	181 free_device_lists(void)
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	182 {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	183 free_device_list(&outputDevices, &outputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	184 free_device_list(&inputDevices, &inputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	185 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	186
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	187
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	188 static int
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	189 find_device_id(const char devname, int iscapture, AudioDeviceID id)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	190 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	191 int i = ((iscapture) ? inputDeviceCount : outputDeviceCount);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	192 COREAUDIO_DeviceList *devs = ((iscapture) ? inputDevices : outputDevices);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	193 while (i--) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	194 if (SDL_strcmp(devname, devs->name) == 0) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	195 *id = devs->id;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	196 return 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	197 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	198 devs++;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	199 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	200
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	201 return 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	202 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	203
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	204
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 /* Audio driver functions */
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	207 static int COREAUDIO_DetectDevices(int iscapture);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	208 static const char *COREAUDIO_GetAudioDevice(int index, int iscapture);
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	209 static int COREAUDIO_OpenAudio(_THIS, const char *devname, int iscapture);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	210 static void COREAUDIO_WaitAudio(_THIS);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	211 static void COREAUDIO_PlayAudio(_THIS);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	212 static Uint8 *COREAUDIO_GetAudioBuf(_THIS);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	213 static void COREAUDIO_CloseAudio(_THIS);
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	214 static void COREAUDIO_Deinitialize(void);
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 /* Audio driver bootstrap functions */
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217
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	218 static int
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	219 COREAUDIO_Available(void)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 {
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	221 return (1);
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	224 static int
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	225 COREAUDIO_Init(SDL_AudioDriverImpl *impl)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 {
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	227 /* Set the function pointers */
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	228 impl->DetectDevices = COREAUDIO_DetectDevices;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	229 impl->GetAudioDevice = COREAUDIO_GetAudioDevice;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	230 impl->OpenAudio = COREAUDIO_OpenAudio;
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	231 impl->WaitAudio = COREAUDIO_WaitAudio;
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	232 impl->PlayAudio = COREAUDIO_PlayAudio;
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	233 impl->GetAudioBuf = COREAUDIO_GetAudioBuf;
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	234 impl->CloseAudio = COREAUDIO_CloseAudio;
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	235 impl->Deinitialize = COREAUDIO_Deinitialize;
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	237 return 1;
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 AudioBootStrap COREAUDIO_bootstrap = {
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 "coreaudio", "Mac OS X CoreAudio",
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	242 COREAUDIO_Available, COREAUDIO_Init
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 };
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	245
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	246 static int
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	247 COREAUDIO_DetectDevices(int iscapture)
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	248 {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	249 if (iscapture) {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	250 build_device_list(1, &inputDevices, &inputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	251 return inputDeviceCount;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	252 } else {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	253 build_device_list(0, &outputDevices, &outputDeviceCount);
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	254 return outputDeviceCount;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	255 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	256
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	257 return 0; /* shouldn't ever hit this. */
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	258 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	259
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	260
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	261 static const char *
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	262 COREAUDIO_GetAudioDevice(int index, int iscapture)
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	263 {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	264 if ((iscapture) && (index < inputDeviceCount)) {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	265 return inputDevices[index].name;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	266 } else if ((!iscapture) && (index < outputDeviceCount)) {
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	267 return outputDevices[index].name;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	268 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	269
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	270 SDL_SetError("No such device");
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	271 return NULL;
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	272 }
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	273
8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	274
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	275 static void
8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	276 COREAUDIO_Deinitialize(void)
8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	277 {
3790 8f8209f8da6d Added audio device enumeration for 1.3. Ryan C. Gordon <icculus@icculus.org> parents: 3788 diff changeset	278 free_device_lists();
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	279 }
8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	280
8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	281
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 /* 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	283 static OSStatus
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	284 outputCallback(void *inRefCon,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	285 AudioUnitRenderActionFlags *ioActionFlags,
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	286 const AudioTimeStamp * inTimeStamp,
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	287 UInt32 inBusNumber, UInt32 inNumberFrames,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	288 AudioBufferList *ioDataList)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 {
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	290 SDL_AudioDevice this = (SDL_AudioDevice ) inRefCon;
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	291 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	292 UInt32 remaining, len;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 void *ptr;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294
3786 b70f4e9291bb High level now lets user select a specific audio device with an environment Ryan C. Gordon <icculus@icculus.org> parents: 3785 diff changeset	295 /*
b70f4e9291bb High level now lets user select a specific audio device with an environment Ryan C. Gordon <icculus@icculus.org> parents: 3785 diff changeset	296 * !!! FIXME: I'm not sure if you can ever have more than one
b70f4e9291bb High level now lets user select a specific audio device with an environment Ryan C. Gordon <icculus@icculus.org> parents: 3785 diff changeset	297 * buffer, or what this signifies, or what to do with it...
b70f4e9291bb High level now lets user select a specific audio device with an environment Ryan C. Gordon <icculus@icculus.org> parents: 3785 diff changeset	298 */
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	299 if (ioDataList->mNumberBuffers != 1) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	300 return noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	301 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 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 /* 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	304 if (!this->enabled \|\| this->paused) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	305 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	306 return 0;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 }
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	308
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 /* 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	310 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	311 */
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	312 /*
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	313 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	314 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	315 */
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	316
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 remaining = ioData->mDataByteSize;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 ptr = ioData->mData;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 while (remaining > 0) {
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	320 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	321 /* Generate the data */
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	322 SDL_memset(this->hidden->buffer, this->spec.silence,
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	323 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	324 SDL_mutexP(this->mixer_lock);
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	325 (*this->spec.callback) (this->spec.userdata, this->hidden->buffer,
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	326 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	327 SDL_mutexV(this->mixer_lock);
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	328 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	329 }
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	330
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	331 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	332 if (len > remaining)
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 len = remaining;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	334 SDL_memcpy(ptr,
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	335 (char *) this->hidden->buffer + this->hidden->bufferOffset,
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	336 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	337 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	338 remaining -= len;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	339 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	340 }
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	341
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 return 0;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	345 static OSStatus
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	346 inputCallback(void *inRefCon,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	347 AudioUnitRenderActionFlags *ioActionFlags,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	348 const AudioTimeStamp * inTimeStamp,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	349 UInt32 inBusNumber, UInt32 inNumberFrames,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	350 AudioBufferList *ioData)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	351 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	352 //err = AudioUnitRender(afr->fAudioUnit, ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, afr->fAudioBuffer);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	353 // !!! FIXME: write me!
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	354 return noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	355 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	356
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	357
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 /* Dummy functions -- we don't use thread-based audio */
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	359 void
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	360 COREAUDIO_WaitAudio(_THIS)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 {
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 return;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364
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	365 void
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	366 COREAUDIO_PlayAudio(_THIS)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 {
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 return;
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370
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	371 Uint8 *
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	372 COREAUDIO_GetAudioBuf(_THIS)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 {
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	374 return (NULL);
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376
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	377 void
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	378 COREAUDIO_CloseAudio(_THIS)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 {
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	380 if (this->hidden != NULL) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	381 OSStatus result = noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	382 AURenderCallbackStruct callback;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	383 const AudioUnitElement output_bus = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	384 const AudioUnitElement input_bus = 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	385 const int iscapture = this->hidden->isCapture;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	386 const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	387 const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output :
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	388 kAudioUnitScope_Input);
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	389
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	390 /* stop processing the audio unit */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	391 result = AudioOutputUnitStop(this->hidden->audioUnit);
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	393 /* Remove the input callback */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	394 memset(&callback, '\0', sizeof (AURenderCallbackStruct));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	395 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	396 kAudioUnitProperty_SetRenderCallback,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	397 scope, bus, &callback, sizeof (callback));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	398
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	399 CloseComponent(this->hidden->audioUnit);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	400
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	401 SDL_free(this->hidden->buffer);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	402 SDL_free(this->hidden);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	403 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	404 }
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	405 }
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 #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	409 if (result != noErr) { \
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	410 COREAUDIO_CloseAudio(this); \
2017 df06e6eb65c6 Fixed macosx audio initialization (passed wrong struct to CoreAudio). Ryan C. Gordon <icculus@icculus.org> parents: 2016 diff changeset	411 SDL_SetError("CoreAudio error (%s): %d", msg, (int) result); \
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	412 return 0; \
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	413 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	414
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	415 static int
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	416 find_device_by_name(_THIS, const char *devname, int iscapture)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	417 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	418 AudioDeviceID devid = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	419 OSStatus result = noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	420 UInt32 size = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	421 UInt32 alive = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	422 pid_t pid = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	423
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	424 if (devname == NULL) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	425 size = sizeof (AudioDeviceID);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	426 const AudioHardwarePropertyID propid =
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	427 ((iscapture) ? kAudioHardwarePropertyDefaultInputDevice :
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	428 kAudioHardwarePropertyDefaultOutputDevice);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	429
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	430 result = AudioHardwareGetProperty(propid, &size, &devid);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	431 CHECK_RESULT("AudioHardwareGetProperty (default device)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	432 } else {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	433 if (!find_device_id(devname, iscapture, &devid)) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	434 SDL_SetError("CoreAudio: No such audio device.");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	435 return 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	436 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	437 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	438
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	439 size = sizeof (alive);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	440 result = AudioDeviceGetProperty(devid, 0, iscapture,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	441 kAudioDevicePropertyDeviceIsAlive,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	442 &size, &alive);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	443 CHECK_RESULT("AudioDeviceGetProperty (kAudioDevicePropertyDeviceIsAlive)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	444
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	445 if (!alive) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	446 SDL_SetError("CoreAudio: requested device exists, but isn't alive.");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	447 return 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	448 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	449
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	450 size = sizeof (pid);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	451 result = AudioDeviceGetProperty(devid, 0, iscapture,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	452 kAudioDevicePropertyHogMode, &size, &pid);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	453
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	454 /* some devices don't support this property, so errors are fine here. */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	455 if ((result == noErr) && (pid != -1)) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	456 SDL_SetError("CoreAudio: requested device is being hogged.");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	457 return 0;
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 }
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	460 this->hidden->deviceID = devid;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	461 return 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	462 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	463
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	464
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	465 static int
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	466 prepare_audiounit(_THIS, const char *devname, int iscapture,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	467 const AudioStreamBasicDescription *strdesc)
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	468 {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	469 OSStatus result = noErr;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	470 AURenderCallbackStruct callback;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	471 ComponentDescription desc;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	472 Component comp = NULL;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	473 int use_system_device = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	474 UInt32 enableIO = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	475 const AudioUnitElement output_bus = 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	476 const AudioUnitElement input_bus = 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	477 const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	478 const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output :
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	479 kAudioUnitScope_Input);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	480
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	481 if (!find_device_by_name(this, devname, iscapture)) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	482 SDL_SetError("Couldn't find requested CoreAudio device");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	483 return 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	484 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	485
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	486 memset(&desc, '\0', sizeof(ComponentDescription));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	487 desc.componentType = kAudioUnitType_Output;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	488 desc.componentSubType = kAudioUnitSubType_HALOutput;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	489 desc.componentManufacturer = kAudioUnitManufacturer_Apple;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	490
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	491 comp = FindNextComponent(NULL, &desc);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	492 if (comp == NULL) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	493 SDL_SetError("Couldn't find requested CoreAudio component");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	494 return 0;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	495 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	496
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	497 /* Open & initialize the audio unit */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	498 result = OpenAComponent(comp, &this->hidden->audioUnit);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	499 CHECK_RESULT("OpenAComponent");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	500
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	501 // !!! FIXME: this is wrong?
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	502 enableIO = ((iscapture) ? 1 : 0);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	503 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	504 kAudioOutputUnitProperty_EnableIO,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	505 kAudioUnitScope_Input, input_bus,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	506 &enableIO, sizeof (enableIO));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	507 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_EnableIO input)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	508
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	509 // !!! FIXME: this is wrong?
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	510 enableIO = ((iscapture) ? 0 : 1);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	511 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	512 kAudioOutputUnitProperty_EnableIO,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	513 kAudioUnitScope_Output, output_bus,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	514 &enableIO, sizeof (enableIO));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	515 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_EnableIO output)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	516
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	517 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	518 kAudioOutputUnitProperty_CurrentDevice,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	519 kAudioUnitScope_Global, 0,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	520 &this->hidden->deviceID,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	521 sizeof (AudioDeviceID));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	522 CHECK_RESULT("AudioUnitSetProperty (kAudioOutputUnitProperty_CurrentDevice)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	523
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	524 /* Set the data format of the audio unit. */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	525 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	526 kAudioUnitProperty_StreamFormat,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	527 scope, bus, strdesc, sizeof (*strdesc));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	528 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_StreamFormat)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	529
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	530 /* Set the audio callback */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	531 memset(&callback, '\0', sizeof (AURenderCallbackStruct));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	532 callback.inputProc = ((iscapture) ? inputCallback : outputCallback);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	533 callback.inputProcRefCon = this;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	534 result = AudioUnitSetProperty(this->hidden->audioUnit,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	535 kAudioUnitProperty_SetRenderCallback,
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	536 scope, bus, &callback, sizeof (callback));
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	537 CHECK_RESULT("AudioUnitSetProperty (kAudioUnitProperty_SetInputCallback)");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	538
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	539 /* Calculate the final parameters for this audio specification */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	540 SDL_CalculateAudioSpec(&this->spec);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	541
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	542 /* Allocate a sample buffer */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	543 this->hidden->bufferOffset = this->hidden->bufferSize = this->spec.size;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	544 this->hidden->buffer = SDL_malloc(this->hidden->bufferSize);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	545
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	546 result = AudioUnitInitialize(this->hidden->audioUnit);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	547 CHECK_RESULT("AudioUnitInitialize");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	548
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	549 /* Finally, start processing of the audio unit */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	550 result = AudioOutputUnitStart(this->hidden->audioUnit);
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	551 CHECK_RESULT("AudioOutputUnitStart");
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	552
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	553 /* We're running! */
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	554 return 1;
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	555 }
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	556
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557
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	558 int
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	559 COREAUDIO_OpenAudio(_THIS, const char *devname, int iscapture)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 {
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	561 AudioStreamBasicDescription strdesc;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	562 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	563 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	564
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	565 /* Initialize all variables that we clean on shutdown */
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	566 this->hidden = (struct SDL_PrivateAudioData *)
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	567 SDL_malloc((sizeof *this->hidden));
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	568 if (this->hidden == NULL) {
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	569 SDL_OutOfMemory();
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	570 return (0);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	571 }
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	572 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	573
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	574 this->hidden->isCapture = iscapture;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	575
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 /* Setup a AudioStreamBasicDescription with the requested format */
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	577 memset(&strdesc, '\0', sizeof(AudioStreamBasicDescription));
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	578 strdesc.mFormatID = kAudioFormatLinearPCM;
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	579 strdesc.mFormatFlags = kLinearPCMFormatFlagIsPacked;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	580 strdesc.mChannelsPerFrame = this->spec.channels;
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	581 strdesc.mSampleRate = this->spec.freq;
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	582 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	583
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	584 while ((!valid_datatype) && (test_format)) {
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	585 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	586 /* 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	587 switch (test_format) {
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	588 case AUDIO_U8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	589 case AUDIO_S8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	590 case AUDIO_U16LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	591 case AUDIO_S16LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	592 case AUDIO_U16MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	593 case AUDIO_S16MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	594 case AUDIO_S32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	595 case AUDIO_S32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	596 case AUDIO_F32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	597 case AUDIO_F32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	598 valid_datatype = 1;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	599 strdesc.mBitsPerChannel = SDL_AUDIO_BITSIZE(this->spec.format);
37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	600 if (SDL_AUDIO_ISBIGENDIAN(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	601 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	602
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	603 if (SDL_AUDIO_ISFLOAT(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	604 strdesc.mFormatFlags \|= kLinearPCMFormatFlagIsFloat;
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	605 else if (SDL_AUDIO_ISSIGNED(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	606 strdesc.mFormatFlags \|= kLinearPCMFormatFlagIsSignedInteger;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	607 break;
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	608 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	609 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	610
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	611 if (!valid_datatype) { /* shouldn't happen, but just in case... */
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	612 SDL_SetError("Unsupported audio format");
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	613 return 0;
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	614 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	615
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	616 strdesc.mBytesPerFrame =
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	617 strdesc.mBitsPerChannel * strdesc.mChannelsPerFrame / 8;
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	618 strdesc.mBytesPerPacket =
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	619 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	620
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	621 if (!prepare_audiounit(this, devname, iscapture, &strdesc)) {
da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	622 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	623 }
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	624
3785 da2ea0694d11 Ton of work on CoreAudio driver for new 1.3 features...most of the Ryan C. Gordon <icculus@icculus.org> parents: 3784 diff changeset	625 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	626 }
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627
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	628 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/macosx/SDL_coreaudio.c @ 3790:8f8209f8da6d SDL-ryan-multiple-audio-device