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

annotate src/audio/macosx/SDL_coreaudio.c @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device

Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of the core and into the drivers where it belongs, and push generic responsibilities out of the drivers and into the core where they belong.

author	Ryan C. Gordon <icculus@icculus.org>
date	Wed, 04 Oct 2006 19:54:23 +0000
parents	589bc3d060cd
children	c8b3d3d13ed1

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);
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	208 static const char *COREAUDIO_GetDeviceName(int index, int iscapture);
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	209 static int COREAUDIO_OpenDevice(_THIS, const char *devname, int iscapture);
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	210 static void COREAUDIO_WaitDevice(_THIS);
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	211 static void COREAUDIO_PlayDevice(_THIS);
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	212 static Uint8 *COREAUDIO_GetDeviceBuf(_THIS);
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	213 static void COREAUDIO_CloseDevice(_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;
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	229 impl->GetDeviceName = COREAUDIO_GetDeviceName;
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	230 impl->OpenDevice = COREAUDIO_OpenDevice;
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	231 impl->WaitDevice = COREAUDIO_WaitDevice;
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	232 impl->PlayDevice = COREAUDIO_PlayDevice;
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	233 impl->GetDeviceBuf = COREAUDIO_GetDeviceBuf;
866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	234 impl->CloseDevice = COREAUDIO_CloseDevice;
3787 8d74a4721ca9 Added deinitialize hook. Ryan C. Gordon <icculus@icculus.org> parents: 3786 diff changeset	235 impl->Deinitialize = COREAUDIO_Deinitialize;
3796 b19680c84cdf Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of Ryan C. Gordon <icculus@icculus.org> parents: 3795 diff changeset	236 impl->ProvidesOwnCallbackThread = 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	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 *
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	262 COREAUDIO_GetDeviceName(int index, int iscapture)
3790 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 */
3795 589bc3d060cd More 1.3 audio work...moved dsp and dma drivers over to new model. Untested! Ryan C. Gordon <icculus@icculus.org> parents: 3792 diff changeset	359 static void
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	360 COREAUDIO_WaitDevice(_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
3795 589bc3d060cd More 1.3 audio work...moved dsp and dma drivers over to new model. Untested! Ryan C. Gordon <icculus@icculus.org> parents: 3792 diff changeset	365 static void
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	366 COREAUDIO_PlayDevice(_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
3795 589bc3d060cd More 1.3 audio work...moved dsp and dma drivers over to new model. Untested! Ryan C. Gordon <icculus@icculus.org> parents: 3792 diff changeset	371 static Uint8 *
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	372 COREAUDIO_GetDeviceBuf(_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
3795 589bc3d060cd More 1.3 audio work...moved dsp and dma drivers over to new model. Untested! Ryan C. Gordon <icculus@icculus.org> parents: 3792 diff changeset	377 static void
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	378 COREAUDIO_CloseDevice(_THIS)
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	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;
3796 b19680c84cdf Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of Ryan C. Gordon <icculus@icculus.org> parents: 3795 diff changeset	385 const int iscapture = this->iscapture;
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	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) { \
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	410 COREAUDIO_CloseDevice(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
3795 589bc3d060cd More 1.3 audio work...moved dsp and dma drivers over to new model. Untested! Ryan C. Gordon <icculus@icculus.org> parents: 3792 diff changeset	558 static int
3792 866c310e2cb5 Changed some 1.3 audio symbol names. Ryan C. Gordon <icculus@icculus.org> parents: 3790 diff changeset	559 COREAUDIO_OpenDevice(_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
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 /* Setup a AudioStreamBasicDescription with the requested format */
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	575 memset(&strdesc, '\0', sizeof(AudioStreamBasicDescription));
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	576 strdesc.mFormatID = kAudioFormatLinearPCM;
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	577 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	578 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	579 strdesc.mSampleRate = this->spec.freq;
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	580 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	581
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	582 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	583 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	584 /* 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	585 switch (test_format) {
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	586 case AUDIO_U8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	587 case AUDIO_S8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	588 case AUDIO_U16LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	589 case AUDIO_S16LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	590 case AUDIO_U16MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	591 case AUDIO_S16MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	592 case AUDIO_S32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	593 case AUDIO_S32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	594 case AUDIO_F32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	595 case AUDIO_F32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	596 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	597 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	598 if (SDL_AUDIO_ISBIGENDIAN(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	599 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	600
3784 37c9c4590689 First batch of heavy lifting on supporting multiple audio devices at once. Ryan C. Gordon <icculus@icculus.org> parents: 2043 diff changeset	601 if (SDL_AUDIO_ISFLOAT(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	602 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	603 else if (SDL_AUDIO_ISSIGNED(this->spec.format))
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	604 strdesc.mFormatFlags \|= kLinearPCMFormatFlagIsSignedInteger;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	605 break;
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	606 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	607 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	608
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2017 diff changeset	609 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	610 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	611 return 0;
2003 506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	612 }
506851d3efa4 Mac OS X audio backend now supports int32/float32. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	613
2016 72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	614 strdesc.mBytesPerFrame =
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	615 strdesc.mBitsPerChannel * strdesc.mChannelsPerFrame / 8;
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	616 strdesc.mBytesPerPacket =
72fa74928062 Compile fixes. Ryan C. Gordon <icculus@icculus.org> parents: 2003 diff changeset	617 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	618
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	619 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	620 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	621 }
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	622
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	623 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	624 }
935 f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625
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 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/macosx/SDL_coreaudio.c @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device