Mercurial > sdl-ios-xcode

annotate src/audio/openbsd/SDL_openbsdaudio.c @ 1471:9fb0eee04dd9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Enabled libc support on Win32, so we don't break binary compatibility in 1.2
author Sam Lantinga <slouken@libsdl.org>
date Mon, 06 Mar 2006 07:42:36 +0000
parents d910939febfa
children 57431b199aed
rev   line source
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
769
b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents: 543
diff changeset
3 Copyright (C) 1997-2004 Sam Lantinga
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
13 Library General Public License for more details.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 131
diff changeset
20 slouken@libsdl.org
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
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"
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 /*
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25 * Driver for native OpenBSD audio(4).
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
26 * vedge@vedge.com.ar.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27 */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29 #include <errno.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
30 #include <unistd.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
31 #include <fcntl.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32 #include <sys/time.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 #include <sys/ioctl.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34 #include <sys/stat.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35 #include <sys/types.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
36 #include <sys/audioio.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
37
1358
c71e05b4dc2e More header massaging... works great on Windows. ;-)
Sam Lantinga <slouken@libsdl.org>
parents: 1338
diff changeset
38 #include "SDL_timer.h"
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
39 #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
40 #include "../SDL_audiomem.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
41 #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
42 #include "../SDL_audiodev_c.h"
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
43 #include "SDL_openbsdaudio.h"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
44
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
45 /* The tag name used by OpenBSD audio */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
46 #define OBSD_DRIVER_NAME "openbsd"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
47
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
48 /* Open the audio device for playback, and don't block if busy */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
49 /* #define USE_BLOCKING_WRITES */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
50
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
51 /* Use timer for synchronization */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
52 /* #define USE_TIMER_SYNC */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
53
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
54 /* #define DEBUG_AUDIO */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
55 /* #define DEBUG_AUDIO_STREAM */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
56
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
57 #ifdef USE_BLOCKING_WRITES
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
58 #define OPEN_FLAGS O_WRONLY
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
59 #else
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
60 #define OPEN_FLAGS (O_WRONLY|O_NONBLOCK)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
61 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
62
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
63 /* Audio driver functions */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
64 static void OBSD_WaitAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
65 static int OBSD_OpenAudio(_THIS, SDL_AudioSpec *spec);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
66 static void OBSD_PlayAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
67 static Uint8 *OBSD_GetAudioBuf(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
68 static void OBSD_CloseAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
69
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
70 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
71 static void OBSD_Status(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
72 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
73
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
74 /* Audio driver bootstrap functions */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
75
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
76 static int
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
77 Audio_Available(void)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
78 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
79 int fd;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
80 int available;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
81
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
82 available = 0;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
83 fd = SDL_OpenAudioPath(NULL, 0, OPEN_FLAGS, 0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
84 if(fd >= 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
85 available = 1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
86 close(fd);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
87 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
88 return(available);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
89 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
90
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
91 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
92 Audio_DeleteDevice(SDL_AudioDevice *device)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
93 {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
94 SDL_free(device->hidden);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
95 SDL_free(device);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
96 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
97
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
98 static SDL_AudioDevice
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
99 *Audio_CreateDevice(int devindex)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
100 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
101 SDL_AudioDevice *this;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
102
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
103 /* Initialize all variables that we clean on shutdown */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
104 this = (SDL_AudioDevice*)SDL_malloc(sizeof(SDL_AudioDevice));
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
105 if(this) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
106 SDL_memset(this, 0, (sizeof *this));
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
107 this->hidden =
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
108 (struct SDL_PrivateAudioData*)SDL_malloc((sizeof *this->hidden));
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
109 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
110 if((this == NULL) || (this->hidden == NULL)) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
111 SDL_OutOfMemory();
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
112 if(this) SDL_free(this);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
113 return(0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
114 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
115 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
116 audio_fd = -1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
117
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
118 /* Set the function pointers */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
119 this->OpenAudio = OBSD_OpenAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
120 this->WaitAudio = OBSD_WaitAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
121 this->PlayAudio = OBSD_PlayAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
122 this->GetAudioBuf = OBSD_GetAudioBuf;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
123 this->CloseAudio = OBSD_CloseAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
124
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
125 this->free = Audio_DeleteDevice;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
126
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
127 return this;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
128 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
129
121
43febd46d49d Name changed from OBSD to OPENBSD_AUDIO
Sam Lantinga <slouken@libsdl.org>
parents: 94
diff changeset
130 AudioBootStrap OPENBSD_AUDIO_bootstrap = {
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
131 OBSD_DRIVER_NAME, "Native OpenBSD audio",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
132 Audio_Available, Audio_CreateDevice
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
133 };
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
134
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
135 /* This function waits until it is possible to write a full sound buffer */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
136 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
137 OBSD_WaitAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
138 {
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
139 /* Check to see if the thread-parent process is still alive */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
140 { static int cnt = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
141 /* Note that this only works with thread implementations
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
142 that use a different process id for each thread.
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
143 */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
144 if (parent && (((++cnt)%10) == 0)) { /* Check every 10 loops */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
145 if ( kill(parent, 0) < 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
146 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
147 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
148 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
149 }
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
150
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
151 #ifndef USE_BLOCKING_WRITES /* Not necessary when using blocking writes */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
152 /* See if we need to use timed audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
153 if ( frame_ticks ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
154 /* Use timer for general audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
155 Sint32 ticks;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
156
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
157 ticks = ((Sint32)(next_frame - SDL_GetTicks()))-FUDGE_TICKS;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
158 if ( ticks > 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
159 SDL_Delay(ticks);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
160 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
161 } else {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
162 /* Use select() for audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
163 fd_set fdset;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
164 struct timeval timeout;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
165
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
166 FD_ZERO(&fdset);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
167 FD_SET(audio_fd, &fdset);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
168 timeout.tv_sec = 10;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
169 timeout.tv_usec = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
170 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
171 fprintf(stderr, "Waiting for audio to get ready\n");
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
172 #endif
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
173 if ( select(audio_fd+1, NULL, &fdset, NULL, &timeout) <= 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
174 const char *message =
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
175 "Audio timeout - buggy audio driver? (disabled)";
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
176 /* In general we should never print to the screen,
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
177 but in this case we have no other way of letting
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
178 the user know what happened.
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
179 */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
180 fprintf(stderr, "SDL: %s\n", message);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
181 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
182 /* Don't try to close - may hang */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
183 audio_fd = -1;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
184 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
185 fprintf(stderr, "Done disabling audio\n");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
186 #endif
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
187 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
188 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
189 fprintf(stderr, "Ready!\n");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
190 #endif
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
191 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
192 #endif /* !USE_BLOCKING_WRITES */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
193 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
194
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
195 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
196 OBSD_PlayAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
197 {
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
198 int written, p=0;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
199
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
200 /* Write the audio data, checking for EAGAIN on broken audio drivers */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
201 do {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
202 written = write(audio_fd, &mixbuf[p], mixlen-p);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
203 if (written>0)
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
204 p += written;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
205 if (written == -1 && errno != 0 && errno != EAGAIN && errno != EINTR)
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
206 {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
207 /* Non recoverable error has occurred. It should be reported!!! */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
208 perror("audio");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
209 break;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
210 }
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
211
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
212 if ( p < written || ((written < 0) && ((errno == 0) || (errno == EAGAIN))) ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
213 SDL_Delay(1); /* Let a little CPU time go by */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
214 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
215 } while ( p < written );
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
216
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
217 /* If timer synchronization is enabled, set the next write frame */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
218 if ( frame_ticks ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
219 next_frame += frame_ticks;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
220 }
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
221
94
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
222 /* If we couldn't write, assume fatal error for now */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
223 if ( written < 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
224 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
225 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
226 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev
Sam Lantinga <slouken@lokigames.com>
parents: 37
diff changeset
227 fprintf(stderr, "Wrote %d bytes of audio data\n", written);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
229 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
230
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
231 static Uint8
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
232 *OBSD_GetAudioBuf(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
233 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
234 return(mixbuf);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
235 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
236
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
238 OBSD_CloseAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
240 if(mixbuf != NULL) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 SDL_FreeAudioMem(mixbuf);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 mixbuf = NULL;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 if(audio_fd >= 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245 close(audio_fd);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
246 audio_fd = -1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
247 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
248 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
249
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
250 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
251 void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
252 OBSD_Status(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 audio_info_t info;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
255
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
256 if(ioctl(audio_fd, AUDIO_GETINFO, &info) < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
257 fprintf(stderr,"AUDIO_GETINFO failed.\n");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
258 return;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
259 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
260
1186
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
261 fprintf(stderr,"\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
262 "[play/record info]\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
263 "buffer size : %d bytes\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
264 "sample rate : %i Hz\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
265 "channels : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
266 "precision : %i-bit\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
267 "encoding : 0x%x\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
268 "seek : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
269 "sample count : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
270 "EOF count : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
271 "paused : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
272 "error occured : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
273 "waiting : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
274 "active : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
275 "",
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 info.play.buffer_size,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 info.play.sample_rate,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 info.play.channels,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 info.play.precision,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 info.play.encoding,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 info.play.seek,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
282 info.play.samples,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 info.play.eof,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284 info.play.pause ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 info.play.error ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 info.play.waiting ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 info.play.active ? "yes": "no");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288
1186
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
289 fprintf(stderr,"\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
290 "[audio info]\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
291 "monitor_gain : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
292 "hw block size : %d bytes\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
293 "hi watermark : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
294 "lo watermark : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
295 "audio mode : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions.
Ryan C. Gordon <icculus@icculus.org>
parents: 769
diff changeset
296 "",
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
297 info.monitor_gain,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298 info.blocksize,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
299 info.hiwat, info.lowat,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
300 (info.mode == AUMODE_PLAY) ? "PLAY"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 : (info.mode = AUMODE_RECORD) ? "RECORD"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 : (info.mode == AUMODE_PLAY_ALL ? "PLAY_ALL"
543
522e5202014d *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
303 : "?"));
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 #endif /* DEBUG_AUDIO */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 static int
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 OBSD_OpenAudio(_THIS, SDL_AudioSpec *spec)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 char audiodev[64];
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
311 Uint16 format;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312 audio_info_t info;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
313
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314 AUDIO_INITINFO(&info);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 /* Calculate the final parameters for this audio specification */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 SDL_CalculateAudioSpec(spec);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319 #ifdef USE_TIMER_SYNC
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 frame_ticks = 0.0;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 /* Open the audio device */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 audio_fd = SDL_OpenAudioPath(audiodev, sizeof(audiodev), OPEN_FLAGS, 0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325 if(audio_fd < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 SDL_SetError("Couldn't open %s: %s", audiodev, strerror(errno));
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 /* Set to play mode */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331 info.mode = AUMODE_PLAY;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 if(ioctl(audio_fd, AUDIO_SETINFO, &info) < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333 SDL_SetError("Couldn't put device into play mode");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 mixbuf = NULL;
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
338 AUDIO_INITINFO(&info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
339 for (format = SDL_FirstAudioFormat(spec->format);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
340 format; format = SDL_NextAudioFormat())
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 {
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
342 switch(format) {
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
343 case AUDIO_U8:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
344 info.play.encoding = AUDIO_ENCODING_ULINEAR;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
345 info.play.precision = 8;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
346 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
347 case AUDIO_S8:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
348 info.play.encoding = AUDIO_ENCODING_SLINEAR;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
349 info.play.precision = 8;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
350 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
351 case AUDIO_S16LSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
352 info.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
353 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
354 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
355 case AUDIO_S16MSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
356 info.play.encoding = AUDIO_ENCODING_SLINEAR_BE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
357 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
358 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
359 case AUDIO_U16LSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
360 info.play.encoding = AUDIO_ENCODING_ULINEAR_LE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
361 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
362 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
363 case AUDIO_U16MSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
364 info.play.encoding = AUDIO_ENCODING_ULINEAR_BE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
365 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
366 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
367 default:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
368 continue;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
369 }
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
370 if (ioctl(audio_fd, AUDIO_SETINFO, &info) == 0)
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
371 break;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
374 if(!format) {
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 SDL_SetError("No supported encoding for 0x%x", spec->format);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
379 spec->format = format;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
381 AUDIO_INITINFO(&info);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 info.play.channels = spec->channels;
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
383 if (ioctl(audio_fd, AUDIO_SETINFO, &info) == -1)
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
384 spec->channels = 1;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
385 AUDIO_INITINFO(&info);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 info.play.sample_rate = spec->freq;
131
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
387 (void)ioctl(audio_fd, AUDIO_SETINFO, &info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
388 (void)ioctl(audio_fd, AUDIO_GETINFO, &info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!)
Sam Lantinga <slouken@libsdl.org>
parents: 121
diff changeset
389 spec->freq = info.play.sample_rate;
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 /* Allocate mixing buffer */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 mixlen = spec->size;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 mixbuf = (Uint8*)SDL_AllocAudioMem(mixlen);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 if(mixbuf == NULL) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1186
diff changeset
396 SDL_memset(mixbuf, spec->silence, spec->size);
37
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 /* Get the parent process id (we're the parent of the audio thread) */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 parent = getpid();
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 OBSD_Status(this);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 /* We're ready to rock and roll. :-) */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 return(0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 }