src/MacOSX/audio_macosx.mm

/*
 *  audio_MacOSX.cpp - Based on audio_dummy.cpp
 *
 *      $Id: audio_macosx.cpp,v 1.1 2002/03/16 03:59:58 nigel Exp $
 *
 *  Basilisk II (C) 1997-2002 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "sysdeps.h"
#include "macos_util_macosx.h"
#include "prefs.h"
#include "audio.h"
#include "audio_defs_macosx.h"

#define DEBUG 0
#include "debug.h"


#include "main_macosx.h"

#import <CoreFoundation/CoreFoundation.h>

#import <CoreAudio/CoreAudio.h>

#import <AppKit/AppKit.h>


AudioDeviceID   device   = kAudioDeviceUnknown;

/*
 *  Initialization
 */

void AudioInit(void)
{
        UInt32          count;
        OSErr   err;

        // Init audio status and feature flags
        AudioStatus.sample_rate = 44100 << 16;
        AudioStatus.sample_size = 16;
        AudioStatus.channels = 2;
        AudioStatus.mixer = 0;
        AudioStatus.num_sources = 0;
        audio_component_flags = cmpWantsRegisterMessage | kStereoOut | k16BitOut;

        // Only one sample format is supported
        audio_sample_rates.push_back(44100 << 16);
        audio_sample_sizes.push_back(16);
        audio_channel_counts.push_back(2);

        // Sound disabled in prefs? Then do nothing
        if (PrefsFindBool("nosound"))
                return;


        // Get default audio device

        count = sizeof(device);
        err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice,
                                                                          &count, (void *) &device);
        if ( err != noErr || device == kAudioDeviceUnknown )
        {
                NSLog(@"Failed to get default audio output device");
                audio_open = false;
                return;
        }

        D(NSLog(@"Got default audio output device"));

        // Audio not available
        audio_open = false;
}


/*
 *  Deinitialization
 */

void AudioExit(void)
{
}


/*
 *  First source added, start audio stream
 */

void audio_enter_stream()
{
}


/*
 *  Last source removed, stop audio stream
 */

void audio_exit_stream()
{
}


/*
 *  MacOS audio interrupt, read next data block
 */

void AudioInterrupt(void)
{
        D(bug("AudioInterrupt\n"));
}


/*
 *  Set sampling parameters
 *  "index" is an index into the audio_sample_rates[] etc. vectors
 *  It is guaranteed that AudioStatus.num_sources == 0
 */

bool audio_set_sample_rate(int index)
{
        return NO;
}

bool audio_set_sample_size(int index)
{
        return NO;
}

bool audio_set_channels(int index)
{
        return NO;
}


/*
 *  Get/set volume controls (volume values received/returned have the left channel
 *  volume in the upper 16 bits and the right channel volume in the lower 16 bits;
 *  both volumes are 8.8 fixed point values with 0x0100 meaning "maximum volume"))
 */

bool audio_get_main_mute(void)
{
        return false;
}

uint32 audio_get_main_volume(void)
{
        return 0x01000100;
}

bool audio_get_speaker_mute(void)
{
        return false;
}

uint32 audio_get_speaker_volume(void)
{
        return 0x01000100;
}

void audio_set_main_mute(bool mute)
{
}

void audio_set_main_volume(uint32 vol)
{
}

void audio_set_speaker_mute(bool mute)
{
}

void audio_set_speaker_volume(uint32 vol)
{
}
Revision:	1.1
Committed:	2003-03-23T23:36:04Z (21 years, 8 months ago) by nigel
Branch:	MAIN
CVS Tags:	nigel-build-12, nigel-build-13
Log Message:	Start of audio hacking
#	User	Rev	Content
1	nigel	1.1	/*
2			* audio_MacOSX.cpp - Based on audio_dummy.cpp
3			*
4			* $Id: audio_macosx.cpp,v 1.1 2002/03/16 03:59:58 nigel Exp $
5			*
6			* Basilisk II (C) 1997-2002 Christian Bauer
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21			*/
22
23			#include "sysdeps.h"
24			#include "macos_util_macosx.h"
25			#include "prefs.h"
26			#include "audio.h"
27			#include "audio_defs_macosx.h"
28
29			#define DEBUG 0
30			#include "debug.h"
31
32
33			#include "main_macosx.h"
34
35			#import <CoreFoundation/CoreFoundation.h>
36
37			#import <CoreAudio/CoreAudio.h>
38
39			#import <AppKit/AppKit.h>
40
41
42
43			AudioDeviceID device = kAudioDeviceUnknown;
44
45			/*
46			* Initialization
47			*/
48
49			void AudioInit(void)
50			{
51			UInt32 count;
52			OSErr err;
53
54			// Init audio status and feature flags
55			AudioStatus.sample_rate = 44100 << 16;
56			AudioStatus.sample_size = 16;
57			AudioStatus.channels = 2;
58			AudioStatus.mixer = 0;
59			AudioStatus.num_sources = 0;
60			audio_component_flags = cmpWantsRegisterMessage \| kStereoOut \| k16BitOut;
61
62			// Only one sample format is supported
63			audio_sample_rates.push_back(44100 << 16);
64			audio_sample_sizes.push_back(16);
65			audio_channel_counts.push_back(2);
66
67			// Sound disabled in prefs? Then do nothing
68			if (PrefsFindBool("nosound"))
69			return;
70
71
72			// Get default audio device
73
74			count = sizeof(device);
75			err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice,
76			&count, (void *) &device);
77			if ( err != noErr \|\| device == kAudioDeviceUnknown )
78			{
79			NSLog(@"Failed to get default audio output device");
80			audio_open = false;
81			return;
82			}
83
84			D(NSLog(@"Got default audio output device"));
85
86			// Audio not available
87			audio_open = false;
88			}
89
90
91			/*
92			* Deinitialization
93			*/
94
95			void AudioExit(void)
96			{
97			}
98
99
100			/*
101			* First source added, start audio stream
102			*/
103
104			void audio_enter_stream()
105			{
106			}
107
108
109			/*
110			* Last source removed, stop audio stream
111			*/
112
113			void audio_exit_stream()
114			{
115			}
116
117
118			/*
119			* MacOS audio interrupt, read next data block
120			*/
121
122			void AudioInterrupt(void)
123			{
124			D(bug("AudioInterrupt\n"));
125			}
126
127
128			/*
129			* Set sampling parameters
130			* "index" is an index into the audio_sample_rates[] etc. vectors
131			* It is guaranteed that AudioStatus.num_sources == 0
132			*/
133
134			bool audio_set_sample_rate(int index)
135			{
136			return NO;
137			}
138
139			bool audio_set_sample_size(int index)
140			{
141			return NO;
142			}
143
144			bool audio_set_channels(int index)
145			{
146			return NO;
147			}
148
149
150			/*
151			* Get/set volume controls (volume values received/returned have the left channel
152			* volume in the upper 16 bits and the right channel volume in the lower 16 bits;
153			* both volumes are 8.8 fixed point values with 0x0100 meaning "maximum volume"))
154			*/
155
156			bool audio_get_main_mute(void)
157			{
158			return false;
159			}
160
161			uint32 audio_get_main_volume(void)
162			{
163			return 0x01000100;
164			}
165
166			bool audio_get_speaker_mute(void)
167			{
168			return false;
169			}
170
171			uint32 audio_get_speaker_volume(void)
172			{
173			return 0x01000100;
174			}
175
176			void audio_set_main_mute(bool mute)
177			{
178			}
179
180			void audio_set_main_volume(uint32 vol)
181			{
182			}
183
184			void audio_set_speaker_mute(bool mute)
185			{
186			}
187
188			void audio_set_speaker_volume(uint32 vol)
189			{
190			}