src/MacOSX/audio_macosx.cpp

/*
 *  audio_MacOSX.cpp - Based on audio_dummy.cpp
 *
 *      $Id$
 *
 *  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 "prefs.h"
#include "audio.h"
#include "audio_defs.h"

#define DEBUG 1
#include "debug.h"


#include "main_macosx.h"

#import <CoreFoundation/CoreFoundation.h>

#import <CoreAudio/CoreAudio.h>


AudioDeviceID   device   = kAudioDeviceUnknown;

/*
 *  Initialization
 */

void AudioInit(void)
{
        int     count;

        // 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;
        }


        // 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)
{
}

bool audio_set_sample_size(int index)
{
}

bool audio_set_channels(int index)
{
}


/*
 *  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:	2002-03-16T03:59:58Z (22 years, 5 months ago) by nigel
Branch:	MAIN
CVS Tags:	nigel-build-12, nigel-build-13, nigel-build-10
Log Message:	Initial revision of Mac OS X port code. Uses Objective-C++. Needs Mac OS 10.1
#	User	Rev	Content
1	nigel	1.1	/*
2			* audio_MacOSX.cpp - Based on audio_dummy.cpp
3			*
4			* $Id$
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 "prefs.h"
25			#include "audio.h"
26			#include "audio_defs.h"
27
28			#define DEBUG 1
29			#include "debug.h"
30
31
32			#include "main_macosx.h"
33
34			#import <CoreFoundation/CoreFoundation.h>
35
36			#import <CoreAudio/CoreAudio.h>
37
38
39
40			AudioDeviceID device = kAudioDeviceUnknown;
41
42			/*
43			* Initialization
44			*/
45
46			void AudioInit(void)
47			{
48			int count;
49
50			// Init audio status and feature flags
51			AudioStatus.sample_rate = 44100 << 16;
52			AudioStatus.sample_size = 16;
53			AudioStatus.channels = 2;
54			AudioStatus.mixer = 0;
55			AudioStatus.num_sources = 0;
56			audio_component_flags = cmpWantsRegisterMessage \| kStereoOut \| k16BitOut;
57
58			// Only one sample format is supported
59			audio_sample_rates.push_back(44100 << 16);
60			audio_sample_sizes.push_back(16);
61			audio_channel_counts.push_back(2);
62
63			// Sound disabled in prefs? Then do nothing
64			if (PrefsFindBool("nosound"))
65			return;
66
67
68			// Get default audio device
69
70			count = sizeof(device);
71			err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice,
72			&count, (void *) &device);
73			if ( err != noErr \|\| device == kAudioDeviceUnknown )
74			{
75			NSLog(@"Failed to get default audio output device");
76			audio_open = false;
77			return;
78			}
79
80
81			// Audio not available
82			audio_open = false;
83			}
84
85
86			/*
87			* Deinitialization
88			*/
89
90			void AudioExit(void)
91			{
92			}
93
94
95			/*
96			* First source added, start audio stream
97			*/
98
99			void audio_enter_stream()
100			{
101			}
102
103
104			/*
105			* Last source removed, stop audio stream
106			*/
107
108			void audio_exit_stream()
109			{
110			}
111
112
113			/*
114			* MacOS audio interrupt, read next data block
115			*/
116
117			void AudioInterrupt(void)
118			{
119			D(bug("AudioInterrupt\n"));
120			}
121
122
123			/*
124			* Set sampling parameters
125			* "index" is an index into the audio_sample_rates[] etc. vectors
126			* It is guaranteed that AudioStatus.num_sources == 0
127			*/
128
129			bool audio_set_sample_rate(int index)
130			{
131			}
132
133			bool audio_set_sample_size(int index)
134			{
135			}
136
137			bool audio_set_channels(int index)
138			{
139			}
140
141
142			/*
143			* Get/set volume controls (volume values received/returned have the left channel
144			* volume in the upper 16 bits and the right channel volume in the lower 16 bits;
145			* both volumes are 8.8 fixed point values with 0x0100 meaning "maximum volume"))
146			*/
147
148			bool audio_get_main_mute(void)
149			{
150			return false;
151			}
152
153			uint32 audio_get_main_volume(void)
154			{
155			return 0x01000100;
156			}
157
158			bool audio_get_speaker_mute(void)
159			{
160			return false;
161			}
162
163			uint32 audio_get_speaker_volume(void)
164			{
165			return 0x01000100;
166			}
167
168			void audio_set_main_mute(bool mute)
169			{
170			}
171
172			void audio_set_main_volume(uint32 vol)
173			{
174			}
175
176			void audio_set_speaker_mute(bool mute)
177			{
178			}
179
180			void audio_set_speaker_volume(uint32 vol)
181			{
182			}