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, 8 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
#	Content
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	}