Mercurial > sdl-ios-xcode
annotate src/audio/ums/SDL_umsaudio.c @ 1664:cd3db072ba8a SDL-1.3
more indent cleanup
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 28 May 2006 18:16:36 +0000 |
parents | 782fd950bd46 |
children | 4da1ee79c9af |
rev | line source |
---|---|
0 | 1 /* |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
2 SDL - Simple DirectMedia Layer |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
13 Lesser General Public License for more details. |
0 | 14 |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Carsten Griwodz | |
20 griff@kom.tu-darmstadt.de | |
21 | |
22 based on linux/SDL_dspaudio.c by Sam Lantinga | |
23 */ | |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1361
diff
changeset
|
24 #include "SDL_config.h" |
0 | 25 |
26 /* Allow access to a raw mixing buffer */ | |
27 | |
28 #include <errno.h> | |
29 #include <unistd.h> | |
30 #include <fcntl.h> | |
31 #include <sys/types.h> | |
32 #include <sys/time.h> | |
33 #include <sys/ioctl.h> | |
34 #include <sys/stat.h> | |
35 #include <sys/mman.h> | |
36 | |
37 #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
|
38 #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
|
39 #include "../SDL_audiodev_c.h" |
0 | 40 #include "SDL_umsaudio.h" |
41 | |
42 /* The tag name used by UMS audio */ | |
43 #define UMS_DRIVER_NAME "ums" | |
44 | |
45 #define DEBUG_AUDIO 1 | |
46 | |
47 /* Audio driver functions */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
48 static int UMS_OpenAudio (_THIS, SDL_AudioSpec * spec); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
49 static void UMS_PlayAudio (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
50 static Uint8 *UMS_GetAudioBuf (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
51 static void UMS_CloseAudio (_THIS); |
0 | 52 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
53 static UMSAudioDevice_ReturnCode UADOpen (_THIS, string device, string mode, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
54 long flags); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
55 static UMSAudioDevice_ReturnCode UADClose (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
56 static UMSAudioDevice_ReturnCode UADGetBitsPerSample (_THIS, long *bits); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
57 static UMSAudioDevice_ReturnCode UADSetBitsPerSample (_THIS, long bits); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
58 static UMSAudioDevice_ReturnCode UADSetSampleRate (_THIS, long rate, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
59 long *set_rate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
60 static UMSAudioDevice_ReturnCode UADSetByteOrder (_THIS, string byte_order); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
61 static UMSAudioDevice_ReturnCode UADSetAudioFormatType (_THIS, string fmt); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
62 static UMSAudioDevice_ReturnCode UADSetNumberFormat (_THIS, string fmt); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
63 static UMSAudioDevice_ReturnCode UADInitialize (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
64 static UMSAudioDevice_ReturnCode UADStart (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
65 static UMSAudioDevice_ReturnCode UADStop (_THIS); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
66 static UMSAudioDevice_ReturnCode UADSetTimeFormat (_THIS, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
67 UMSAudioTypes_TimeFormat |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
68 fmt); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
69 static UMSAudioDevice_ReturnCode UADWriteBuffSize (_THIS, long *buff_size); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
70 static UMSAudioDevice_ReturnCode UADWriteBuffRemain (_THIS, long *buff_size); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
71 static UMSAudioDevice_ReturnCode UADWriteBuffUsed (_THIS, long *buff_size); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
72 static UMSAudioDevice_ReturnCode UADSetDMABufferSize (_THIS, long bytes, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
73 long *bytes_ret); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
74 static UMSAudioDevice_ReturnCode UADSetVolume (_THIS, long volume); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
75 static UMSAudioDevice_ReturnCode UADSetBalance (_THIS, long balance); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
76 static UMSAudioDevice_ReturnCode UADSetChannels (_THIS, long channels); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
77 static UMSAudioDevice_ReturnCode UADPlayRemainingData (_THIS, boolean block); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
78 static UMSAudioDevice_ReturnCode UADEnableOutput (_THIS, string output, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
79 long *left_gain, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
80 long *right_gain); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
81 static UMSAudioDevice_ReturnCode UADWrite (_THIS, UMSAudioTypes_Buffer * buff, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
82 long samples, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
83 long *samples_written); |
0 | 84 |
85 /* Audio driver bootstrap functions */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
86 static int |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
87 Audio_Available (void) |
0 | 88 { |
89 return 1; | |
90 } | |
91 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
92 static void |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
93 Audio_DeleteDevice (_THIS) |
0 | 94 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
95 if (this->hidden->playbuf._buffer) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
96 SDL_free (this->hidden->playbuf._buffer); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
97 if (this->hidden->fillbuf._buffer) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
98 SDL_free (this->hidden->fillbuf._buffer); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
99 _somFree (this->hidden->umsdev); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
100 SDL_free (this->hidden); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
101 SDL_free (this); |
0 | 102 } |
103 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
104 static SDL_AudioDevice * |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
105 Audio_CreateDevice (int devindex) |
0 | 106 { |
107 SDL_AudioDevice *this; | |
108 | |
109 /* | |
110 * Allocate and initialize management storage and private management | |
111 * storage for this SDL-using library. | |
112 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
113 this = (SDL_AudioDevice *) SDL_malloc (sizeof (SDL_AudioDevice)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
114 if (this) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
115 SDL_memset (this, 0, (sizeof *this)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
116 this->hidden = (struct SDL_PrivateAudioData *) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
117 SDL_malloc ((sizeof *this->hidden)); |
0 | 118 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
119 if ((this == NULL) || (this->hidden == NULL)) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
120 SDL_OutOfMemory (); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
121 if (this) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
122 SDL_free (this); |
0 | 123 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
124 return (0); |
0 | 125 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
126 SDL_memset (this->hidden, 0, (sizeof *this->hidden)); |
0 | 127 #ifdef DEBUG_AUDIO |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
128 fprintf (stderr, "Creating UMS Audio device\n"); |
0 | 129 #endif |
130 | |
131 /* | |
132 * Calls for UMS env initialization and audio object construction. | |
133 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
134 this->hidden->ev = somGetGlobalEnvironment (); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
135 this->hidden->umsdev = UMSAudioDeviceNew (); |
0 | 136 |
137 /* | |
138 * Set the function pointers. | |
139 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
140 this->OpenAudio = UMS_OpenAudio; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
141 this->WaitAudio = NULL; /* we do blocking output */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
142 this->PlayAudio = UMS_PlayAudio; |
0 | 143 this->GetAudioBuf = UMS_GetAudioBuf; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
144 this->CloseAudio = UMS_CloseAudio; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
145 this->free = Audio_DeleteDevice; |
0 | 146 |
147 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
148 fprintf (stderr, "done\n"); |
0 | 149 #endif |
150 return this; | |
151 } | |
152 | |
153 AudioBootStrap UMS_bootstrap = { | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
154 UMS_DRIVER_NAME, "AUX UMS audio", |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
155 Audio_Available, Audio_CreateDevice |
0 | 156 }; |
157 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
158 static Uint8 * |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
159 UMS_GetAudioBuf (_THIS) |
0 | 160 { |
161 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
162 fprintf (stderr, "enter UMS_GetAudioBuf\n"); |
0 | 163 #endif |
164 return this->hidden->fillbuf._buffer; | |
165 /* | |
166 long bufSize; | |
167 UMSAudioDevice_ReturnCode rc; | |
168 | |
169 rc = UADSetTimeFormat(this, UMSAudioTypes_Bytes ); | |
170 rc = UADWriteBuffSize(this, bufSize ); | |
171 */ | |
172 } | |
173 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
174 static void |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
175 UMS_CloseAudio (_THIS) |
0 | 176 { |
177 UMSAudioDevice_ReturnCode rc; | |
178 | |
179 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
180 fprintf (stderr, "enter UMS_CloseAudio\n"); |
0 | 181 #endif |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
182 rc = UADPlayRemainingData (this, TRUE); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
183 rc = UADStop (this); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
184 rc = UADClose (this); |
0 | 185 } |
186 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
187 static void |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
188 UMS_PlayAudio (_THIS) |
0 | 189 { |
190 UMSAudioDevice_ReturnCode rc; | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
191 long samplesToWrite; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
192 long samplesWritten; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
193 UMSAudioTypes_Buffer swpbuf; |
0 | 194 |
195 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
196 fprintf (stderr, "enter UMS_PlayAudio\n"); |
0 | 197 #endif |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
198 samplesToWrite = |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
199 this->hidden->playbuf._length / this->hidden->bytesPerSample; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
200 do { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
201 rc = UADWrite (this, &this->hidden->playbuf, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
202 samplesToWrite, &samplesWritten); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
203 samplesToWrite -= samplesWritten; |
0 | 204 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
205 /* rc values: UMSAudioDevice_Success |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
206 * UMSAudioDevice_Failure |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
207 * UMSAudioDevice_Preempted |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
208 * UMSAudioDevice_Interrupted |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
209 * UMSAudioDevice_DeviceError |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
210 */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
211 if (rc == UMSAudioDevice_DeviceError) { |
0 | 212 #ifdef DEBUG_AUDIO |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
213 fprintf (stderr, "Returning from PlayAudio with devices error\n"); |
0 | 214 #endif |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
215 return; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
216 } |
0 | 217 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
218 while (samplesToWrite > 0); |
0 | 219 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
220 SDL_LockAudio (); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
221 SDL_memcpy (&swpbuf, &this->hidden->playbuf, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
222 sizeof (UMSAudioTypes_Buffer)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
223 SDL_memcpy (&this->hidden->playbuf, &this->hidden->fillbuf, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
224 sizeof (UMSAudioTypes_Buffer)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
225 SDL_memcpy (&this->hidden->fillbuf, &swpbuf, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
226 sizeof (UMSAudioTypes_Buffer)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
227 SDL_UnlockAudio (); |
0 | 228 |
229 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
230 fprintf (stderr, "Wrote audio data and swapped buffer\n"); |
0 | 231 #endif |
232 } | |
233 | |
234 #if 0 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
235 // /* Set the DSP frequency */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
236 // value = spec->freq; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
237 // if ( ioctl(this->hidden->audio_fd, SOUND_PCM_WRITE_RATE, &value) < 0 ) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
238 // SDL_SetError("Couldn't set audio frequency"); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
239 // return(-1); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
240 // } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
241 // spec->freq = value; |
0 | 242 #endif |
243 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
244 static int |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
245 UMS_OpenAudio (_THIS, SDL_AudioSpec * spec) |
0 | 246 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
247 char *audiodev = "/dev/paud0"; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
248 long lgain; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
249 long rgain; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
250 long outRate; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
251 long outBufSize; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
252 long bitsPerSample; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
253 long samplesPerSec; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
254 long success; |
0 | 255 Uint16 test_format; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
256 int frag_spec; |
0 | 257 UMSAudioDevice_ReturnCode rc; |
258 | |
259 #ifdef DEBUG_AUDIO | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
260 fprintf (stderr, "enter UMS_OpenAudio\n"); |
0 | 261 #endif |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
262 rc = UADOpen (this, audiodev, "PLAY", UMSAudioDevice_BlockingIO); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
263 if (rc != UMSAudioDevice_Success) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
264 SDL_SetError ("Couldn't open %s: %s", audiodev, strerror (errno)); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
265 return -1; |
0 | 266 } |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
267 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
268 rc = UADSetAudioFormatType (this, "PCM"); |
0 | 269 |
270 success = 0; | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
271 test_format = SDL_FirstAudioFormat (spec->format); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
272 do { |
0 | 273 #ifdef DEBUG_AUDIO |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
274 fprintf (stderr, "Trying format 0x%4.4x\n", test_format); |
0 | 275 #endif |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
276 switch (test_format) { |
0 | 277 case AUDIO_U8: |
278 /* from the mac code: better ? */ | |
279 /* sample_bits = spec->size / spec->samples / spec->channels * 8; */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
280 success = 1; |
0 | 281 bitsPerSample = 8; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
282 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
283 rc = UADSetByteOrder (this, "MSB"); /* irrelevant */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
284 rc = UADSetNumberFormat (this, "UNSIGNED"); |
0 | 285 break; |
286 case AUDIO_S8: | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
287 success = 1; |
0 | 288 bitsPerSample = 8; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
289 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
290 rc = UADSetByteOrder (this, "MSB"); /* irrelevant */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
291 rc = UADSetNumberFormat (this, "SIGNED"); |
0 | 292 break; |
293 case AUDIO_S16LSB: | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
294 success = 1; |
0 | 295 bitsPerSample = 16; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
296 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
297 rc = UADSetByteOrder (this, "LSB"); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
298 rc = UADSetNumberFormat (this, "SIGNED"); |
0 | 299 break; |
300 case AUDIO_S16MSB: | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
301 success = 1; |
0 | 302 bitsPerSample = 16; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
303 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
304 rc = UADSetByteOrder (this, "MSB"); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
305 rc = UADSetNumberFormat (this, "SIGNED"); |
0 | 306 break; |
307 case AUDIO_U16LSB: | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
308 success = 1; |
0 | 309 bitsPerSample = 16; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
310 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
311 rc = UADSetByteOrder (this, "LSB"); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
312 rc = UADSetNumberFormat (this, "UNSIGNED"); |
0 | 313 break; |
314 case AUDIO_U16MSB: | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
315 success = 1; |
0 | 316 bitsPerSample = 16; |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
317 rc = UADSetSampleRate (this, spec->freq << 16, &outRate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
318 rc = UADSetByteOrder (this, "MSB"); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
319 rc = UADSetNumberFormat (this, "UNSIGNED"); |
0 | 320 break; |
321 default: | |
322 break; | |
323 } | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
324 if (!success) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
325 test_format = SDL_NextAudioFormat (); |
0 | 326 } |
327 } | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
328 while (!success && test_format); |
0 | 329 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
330 if (success == 0) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
331 SDL_SetError ("Couldn't find any hardware audio formats"); |
0 | 332 return -1; |
333 } | |
334 | |
335 spec->format = test_format; | |
336 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
337 for (frag_spec = 0; (0x01 << frag_spec) < spec->size; ++frag_spec); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
338 if ((0x01 << frag_spec) != spec->size) { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
339 SDL_SetError ("Fragment size must be a power of two"); |
0 | 340 return -1; |
341 } | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
342 if (frag_spec > 2048) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
343 frag_spec = 2048; |
0 | 344 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
345 this->hidden->bytesPerSample = (bitsPerSample / 8) * spec->channels; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
346 samplesPerSec = this->hidden->bytesPerSample * outRate; |
0 | 347 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
348 this->hidden->playbuf._length = 0; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
349 this->hidden->playbuf._maximum = spec->size; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
350 this->hidden->playbuf._buffer = (unsigned char *) SDL_malloc (spec->size); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
351 this->hidden->fillbuf._length = 0; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
352 this->hidden->fillbuf._maximum = spec->size; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
353 this->hidden->fillbuf._buffer = (unsigned char *) SDL_malloc (spec->size); |
0 | 354 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
355 rc = UADSetBitsPerSample (this, bitsPerSample); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
356 rc = UADSetDMABufferSize (this, frag_spec, &outBufSize); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
357 rc = UADSetChannels (this, spec->channels); /* functions reduces to mono or stereo */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
358 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
359 lgain = 100; /*maximum left input gain */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
360 rgain = 100; /*maimum right input gain */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
361 rc = UADEnableOutput (this, "LINE_OUT", &lgain, &rgain); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
362 rc = UADInitialize (this); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
363 rc = UADStart (this); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
364 rc = UADSetVolume (this, 100); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
365 rc = UADSetBalance (this, 0); |
0 | 366 |
367 /* We're ready to rock and roll. :-) */ | |
368 return 0; | |
369 } | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
370 |
0 | 371 |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
372 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
373 UADGetBitsPerSample (_THIS, long *bits) |
0 | 374 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
375 return UMSAudioDevice_get_bits_per_sample (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
376 this->hidden->ev, bits); |
0 | 377 } |
378 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
379 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
380 UADSetBitsPerSample (_THIS, long bits) |
0 | 381 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
382 return UMSAudioDevice_set_bits_per_sample (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
383 this->hidden->ev, bits); |
0 | 384 } |
385 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
386 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
387 UADSetSampleRate (_THIS, long rate, long *set_rate) |
0 | 388 { |
389 /* from the mac code: sample rate = spec->freq << 16; */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
390 return UMSAudioDevice_set_sample_rate (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
391 this->hidden->ev, rate, set_rate); |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
392 } |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
393 |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
394 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
395 UADSetByteOrder (_THIS, string byte_order) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
396 { |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
397 return UMSAudioDevice_set_byte_order (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
398 this->hidden->ev, byte_order); |
0 | 399 } |
400 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
401 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
402 UADSetAudioFormatType (_THIS, string fmt) |
0 | 403 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
404 /* possible PCM, A_LAW or MU_LAW */ |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
405 return UMSAudioDevice_set_audio_format_type (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
406 this->hidden->ev, fmt); |
0 | 407 } |
408 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
409 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
410 UADSetNumberFormat (_THIS, string fmt) |
0 | 411 { |
412 /* possible SIGNED, UNSIGNED, or TWOS_COMPLEMENT */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
413 return UMSAudioDevice_set_number_format (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
414 this->hidden->ev, fmt); |
0 | 415 } |
416 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
417 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
418 UADInitialize (_THIS) |
0 | 419 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
420 return UMSAudioDevice_initialize (this->hidden->umsdev, this->hidden->ev); |
0 | 421 } |
422 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
423 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
424 UADStart (_THIS) |
0 | 425 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
426 return UMSAudioDevice_start (this->hidden->umsdev, this->hidden->ev); |
0 | 427 } |
428 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
429 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
430 UADSetTimeFormat (_THIS, UMSAudioTypes_TimeFormat fmt) |
0 | 431 { |
432 /* | |
433 * Switches the time format to the new format, immediately. | |
434 * possible UMSAudioTypes_Msecs, UMSAudioTypes_Bytes or UMSAudioTypes_Samples | |
435 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
436 return UMSAudioDevice_set_time_format (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
437 this->hidden->ev, fmt); |
0 | 438 } |
439 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
440 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
441 UADWriteBuffSize (_THIS, long *buff_size) |
0 | 442 { |
443 /* | |
444 * returns write buffer size in the current time format | |
445 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
446 return UMSAudioDevice_write_buff_size (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
447 this->hidden->ev, buff_size); |
0 | 448 } |
449 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
450 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
451 UADWriteBuffRemain (_THIS, long *buff_size) |
0 | 452 { |
453 /* | |
454 * returns amount of available space in the write buffer | |
455 * in the current time format | |
456 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
457 return UMSAudioDevice_write_buff_remain (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
458 this->hidden->ev, buff_size); |
0 | 459 } |
460 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
461 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
462 UADWriteBuffUsed (_THIS, long *buff_size) |
0 | 463 { |
464 /* | |
465 * returns amount of filled space in the write buffer | |
466 * in the current time format | |
467 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
468 return UMSAudioDevice_write_buff_used (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
469 this->hidden->ev, buff_size); |
0 | 470 } |
471 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
472 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
473 UADSetDMABufferSize (_THIS, long bytes, long *bytes_ret) |
0 | 474 { |
475 /* | |
476 * Request a new DMA buffer size, maximum requested size 2048. | |
477 * Takes effect with next initialize() call. | |
478 * Devices may or may not support DMA. | |
479 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
480 return UMSAudioDevice_set_DMA_buffer_size (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
481 this->hidden->ev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
482 bytes, bytes_ret); |
0 | 483 } |
484 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
485 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
486 UADSetVolume (_THIS, long volume) |
0 | 487 { |
488 /* | |
489 * Set the volume. | |
490 * Takes effect immediately. | |
491 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
492 return UMSAudioDevice_set_volume (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
493 this->hidden->ev, volume); |
0 | 494 } |
495 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
496 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
497 UADSetBalance (_THIS, long balance) |
0 | 498 { |
499 /* | |
500 * Set the balance. | |
501 * Takes effect immediately. | |
502 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
503 return UMSAudioDevice_set_balance (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
504 this->hidden->ev, balance); |
0 | 505 } |
506 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
507 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
508 UADSetChannels (_THIS, long channels) |
0 | 509 { |
510 /* | |
511 * Set mono or stereo. | |
512 * Takes effect with next initialize() call. | |
513 */ | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
514 if (channels != 1) |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
515 channels = 2; |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
516 return UMSAudioDevice_set_number_of_channels (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
517 this->hidden->ev, channels); |
0 | 518 } |
519 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
520 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
521 UADOpen (_THIS, string device, string mode, long flags) |
0 | 522 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
523 return UMSAudioDevice_open (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
524 this->hidden->ev, device, mode, flags); |
0 | 525 } |
526 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
527 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
528 UADWrite (_THIS, UMSAudioTypes_Buffer * buff, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
529 long samples, long *samples_written) |
0 | 530 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
531 return UMSAudioDevice_write (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
532 this->hidden->ev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
533 buff, samples, samples_written); |
0 | 534 } |
535 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
536 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
537 UADPlayRemainingData (_THIS, boolean block) |
0 | 538 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
539 return UMSAudioDevice_play_remaining_data (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
540 this->hidden->ev, block); |
0 | 541 } |
542 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
543 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
544 UADStop (_THIS) |
0 | 545 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
546 return UMSAudioDevice_stop (this->hidden->umsdev, this->hidden->ev); |
0 | 547 } |
548 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
549 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
550 UADClose (_THIS) |
0 | 551 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
552 return UMSAudioDevice_close (this->hidden->umsdev, this->hidden->ev); |
0 | 553 } |
554 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
555 static UMSAudioDevice_ReturnCode |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
556 UADEnableOutput (_THIS, string output, long *left_gain, long *right_gain) |
0 | 557 { |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
558 return UMSAudioDevice_enable_output (this->hidden->umsdev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
559 this->hidden->ev, |
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
560 output, left_gain, right_gain); |
0 | 561 } |
562 | |
1662
782fd950bd46
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
563 /* vi: set ts=4 sw=4 expandtab: */ |