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, 7 months ago) by nigel
Branch:	MAIN
CVS Tags:	nigel-build-12, nigel-build-13
Log Message:	Start of audio hacking
#	Content
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	}