Mercurial > sdl-ios-xcode
annotate src/audio/pulse/SDL_pulseaudio.c @ 4069:f19931785c42 SDL-1.2
An attempt at fixing Bugzilla #454.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 15 Jul 2007 14:14:45 +0000 |
parents | 42e83d81224b |
children | a1b03ba2fcd0 |
rev | line source |
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3939
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2007 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Stéphan Kochen |
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20 stephan@kochen.nl |
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21 |
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22 Based on parts of the ALSA and ESounD output drivers. |
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23 */ |
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24 #include "SDL_config.h" |
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25 |
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26 /* Allow access to an PulseAudio network stream mixing buffer */ |
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27 |
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28 #include <sys/types.h> |
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29 #include <unistd.h> |
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30 #include <signal.h> |
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31 #include <errno.h> |
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32 #include <pulse/simple.h> |
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33 |
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34 #include "SDL_timer.h" |
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35 #include "SDL_audio.h" |
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36 #include "../SDL_audiomem.h" |
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37 #include "../SDL_audio_c.h" |
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38 #include "../SDL_audiodev_c.h" |
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39 #include "SDL_pulseaudio.h" |
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40 |
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41 #ifdef SDL_AUDIO_DRIVER_PULSE_DYNAMIC |
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42 #include "SDL_name.h" |
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43 #include "SDL_loadso.h" |
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44 #else |
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45 #define SDL_NAME(X) X |
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46 #endif |
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47 |
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48 /* The tag name used by the driver */ |
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49 #define PULSE_DRIVER_NAME "pulse" |
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50 |
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51 /* Audio driver functions */ |
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52 static int PULSE_OpenAudio(_THIS, SDL_AudioSpec *spec); |
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53 static void PULSE_WaitAudio(_THIS); |
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54 static void PULSE_PlayAudio(_THIS); |
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55 static Uint8 *PULSE_GetAudioBuf(_THIS); |
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56 static void PULSE_CloseAudio(_THIS); |
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57 |
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58 #ifdef SDL_AUDIO_DRIVER_PULSE_DYNAMIC |
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59 |
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60 static const char *pulse_library = SDL_AUDIO_DRIVER_PULSE_DYNAMIC; |
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61 static void *pulse_handle = NULL; |
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62 static int pulse_loaded = 0; |
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63 |
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64 static pa_simple* (*SDL_NAME(pa_simple_new))( |
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65 const char *server, |
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66 const char *name, |
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67 pa_stream_direction_t dir, |
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68 const char *dev, |
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69 const char *stream_name, |
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70 const pa_sample_spec *ss, |
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71 const pa_channel_map *map, |
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72 const pa_buffer_attr *attr, |
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73 int *error |
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74 ); |
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75 static void (*SDL_NAME(pa_simple_free))(pa_simple *s); |
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76 static int (*SDL_NAME(pa_simple_drain))(pa_simple *s, int *error); |
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77 static int (*SDL_NAME(pa_simple_write))( |
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78 pa_simple *s, |
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79 const void *data, |
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80 size_t length, |
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81 int *error |
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82 ); |
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83 static pa_channel_map* (*SDL_NAME(pa_channel_map_init_auto))( |
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84 pa_channel_map *m, |
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85 unsigned channels, |
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86 pa_channel_map_def_t def |
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87 ); |
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88 |
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89 |
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90 static struct { |
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91 const char *name; |
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92 void **func; |
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93 } pulse_functions[] = { |
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94 { "pa_simple_new", |
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95 (void **)&SDL_NAME(pa_simple_new) }, |
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96 { "pa_simple_free", |
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97 (void **)&SDL_NAME(pa_simple_free) }, |
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98 { "pa_simple_drain", |
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99 (void **)&SDL_NAME(pa_simple_drain) }, |
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100 { "pa_simple_write", |
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101 (void **)&SDL_NAME(pa_simple_write) }, |
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102 { "pa_channel_map_init_auto", |
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103 (void **)&SDL_NAME(pa_channel_map_init_auto) }, |
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104 }; |
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105 |
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106 static void UnloadPulseLibrary() |
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107 { |
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108 if ( pulse_loaded ) { |
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109 SDL_UnloadObject(pulse_handle); |
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110 pulse_handle = NULL; |
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111 pulse_loaded = 0; |
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112 } |
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113 } |
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114 |
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115 static int LoadPulseLibrary(void) |
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116 { |
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117 int i, retval = -1; |
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118 |
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119 pulse_handle = SDL_LoadObject(pulse_library); |
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120 if ( pulse_handle ) { |
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121 pulse_loaded = 1; |
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122 retval = 0; |
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123 for ( i=0; i<SDL_arraysize(pulse_functions); ++i ) { |
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124 *pulse_functions[i].func = SDL_LoadFunction(pulse_handle, pulse_functions[i].name); |
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125 if ( !*pulse_functions[i].func ) { |
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126 retval = -1; |
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127 UnloadPulseLibrary(); |
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changeset
|
128 break; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
129 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
130 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
131 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
132 return retval; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
133 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
134 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
135 #else |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
136 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
137 static void UnloadPulseLibrary() |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
138 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
139 return; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
140 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
141 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
142 static int LoadPulseLibrary(void) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
143 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
144 return 0; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
145 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
146 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
147 #endif /* SDL_AUDIO_DRIVER_PULSE_DYNAMIC */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
148 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
149 /* Audio driver bootstrap functions */ |
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Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
150 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
151 static int Audio_Available(void) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
152 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
153 pa_sample_spec paspec; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
154 pa_simple *connection; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
155 int available; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
156 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
157 available = 0; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
158 if ( LoadPulseLibrary() < 0 ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
159 return available; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
160 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
161 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
162 /* Connect with a dummy format. */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
163 paspec.format = PA_SAMPLE_U8; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
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changeset
|
164 paspec.rate = 11025; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
165 paspec.channels = 1; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
166 connection = SDL_NAME(pa_simple_new)( |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
167 SDL_getenv("PASERVER"), /* server */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
168 "Test stream", /* application name */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
169 PA_STREAM_PLAYBACK, /* playback mode */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
170 SDL_getenv("PADEVICE"), /* device on the server */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
171 "Simple DirectMedia Layer", /* stream description */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
172 &paspec, /* sample format spec */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
173 NULL, /* channel map */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
174 NULL, /* buffering attributes */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
175 NULL /* error code */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
176 ); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
177 if ( connection != NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
178 available = 1; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
179 SDL_NAME(pa_simple_free)(connection); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
180 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
181 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
182 UnloadPulseLibrary(); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
183 return(available); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
184 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
185 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
186 static void Audio_DeleteDevice(SDL_AudioDevice *device) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
187 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
188 SDL_free(device->hidden); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
189 SDL_free(device); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
190 UnloadPulseLibrary(); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
191 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
192 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
193 static SDL_AudioDevice *Audio_CreateDevice(int devindex) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
194 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
195 SDL_AudioDevice *this; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
196 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
197 /* Initialize all variables that we clean on shutdown */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
198 LoadPulseLibrary(); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
199 this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice)); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
200 if ( this ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
201 SDL_memset(this, 0, (sizeof *this)); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
202 this->hidden = (struct SDL_PrivateAudioData *) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
203 SDL_malloc((sizeof *this->hidden)); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
204 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
205 if ( (this == NULL) || (this->hidden == NULL) ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
206 SDL_OutOfMemory(); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
207 if ( this ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
208 SDL_free(this); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
209 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
210 return(0); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
211 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
212 SDL_memset(this->hidden, 0, (sizeof *this->hidden)); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
213 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
214 /* Set the function pointers */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
215 this->OpenAudio = PULSE_OpenAudio; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
216 this->WaitAudio = PULSE_WaitAudio; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
217 this->PlayAudio = PULSE_PlayAudio; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
218 this->GetAudioBuf = PULSE_GetAudioBuf; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
219 this->CloseAudio = PULSE_CloseAudio; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
220 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
221 this->free = Audio_DeleteDevice; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
222 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
223 return this; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
224 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
225 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
226 AudioBootStrap PULSE_bootstrap = { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
227 PULSE_DRIVER_NAME, "PulseAudio", |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
228 Audio_Available, Audio_CreateDevice |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
229 }; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
230 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
231 /* This function waits until it is possible to write a full sound buffer */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
232 static void PULSE_WaitAudio(_THIS) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
233 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
234 /* Check to see if the thread-parent process is still alive */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
235 { static int cnt = 0; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
236 /* Note that this only works with thread implementations |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
237 that use a different process id for each thread. |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
238 */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
239 if (parent && (((++cnt)%10) == 0)) { /* Check every 10 loops */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
240 if ( kill(parent, 0) < 0 ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
241 this->enabled = 0; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
242 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
243 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
244 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
245 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
246 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
247 static void PULSE_PlayAudio(_THIS) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
248 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
249 /* Write the audio data */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
250 if ( SDL_NAME(pa_simple_write)(stream, mixbuf, mixlen, NULL) != 0 ) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
251 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
252 this->enabled = 0; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
253 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
254 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
255 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
256 static Uint8 *PULSE_GetAudioBuf(_THIS) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
257 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
258 return(mixbuf); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
259 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
260 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
261 static void PULSE_CloseAudio(_THIS) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
262 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
263 if ( mixbuf != NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
264 SDL_FreeAudioMem(mixbuf); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
265 mixbuf = NULL; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
266 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
267 if ( stream != NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
268 SDL_NAME(pa_simple_drain)(stream, NULL); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
269 SDL_NAME(pa_simple_free)(stream); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
270 stream = NULL; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
271 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
272 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
273 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
274 /* Try to get the name of the program */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
275 static char *get_progname(void) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
276 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
277 char *progname = NULL; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
278 #ifdef __LINUX__ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
279 FILE *fp; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
280 static char temp[BUFSIZ]; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
281 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
282 SDL_snprintf(temp, SDL_arraysize(temp), "/proc/%d/cmdline", getpid()); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
283 fp = fopen(temp, "r"); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
284 if ( fp != NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
285 if ( fgets(temp, sizeof(temp)-1, fp) ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
286 progname = SDL_strrchr(temp, '/'); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
287 if ( progname == NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
288 progname = temp; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
289 } else { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
290 progname = progname+1; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
291 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
292 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
293 fclose(fp); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
294 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
295 #endif |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
296 return(progname); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
297 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
298 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
299 static int PULSE_OpenAudio(_THIS, SDL_AudioSpec *spec) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
300 { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
301 Uint16 test_format; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
302 pa_sample_spec paspec; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
303 pa_buffer_attr paattr; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
304 pa_channel_map pacmap; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
305 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
306 paspec.format = PA_SAMPLE_INVALID; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
307 for ( test_format = SDL_FirstAudioFormat(spec->format); test_format; ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
308 switch ( test_format ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
309 case AUDIO_U8: |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
310 paspec.format = PA_SAMPLE_U8; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
311 break; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
312 case AUDIO_S16LSB: |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
313 paspec.format = PA_SAMPLE_S16LE; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
314 break; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
315 case AUDIO_S16MSB: |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
316 paspec.format = PA_SAMPLE_S16BE; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
317 break; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
318 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
319 if ( paspec.format != PA_SAMPLE_INVALID ) |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
320 break; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
321 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
322 if (paspec.format == PA_SAMPLE_INVALID ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
323 SDL_SetError("Couldn't find any suitable audio formats"); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
324 return(-1); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
325 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
326 spec->format = test_format; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
327 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
328 paspec.channels = spec->channels; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
329 paspec.rate = spec->freq; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
330 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
331 /* Calculate the final parameters for this audio specification */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
332 SDL_CalculateAudioSpec(spec); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
333 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
334 /* Allocate mixing buffer */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
335 mixlen = spec->size; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
336 mixbuf = (Uint8 *)SDL_AllocAudioMem(mixlen); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
337 if ( mixbuf == NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
338 return(-1); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
339 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
340 SDL_memset(mixbuf, spec->silence, spec->size); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
341 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
342 /* Reduced prebuffering compared to the defaults. */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
343 paattr.tlength = mixlen; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
344 paattr.minreq = mixlen; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
345 paattr.fragsize = mixlen; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
346 paattr.prebuf = mixlen; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
347 paattr.maxlength = mixlen * 4; |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
348 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
349 /* The SDL ALSA output hints us that we use Windows' channel mapping */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
350 /* http://bugzilla.libsdl.org/show_bug.cgi?id=110 */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
351 SDL_NAME(pa_channel_map_init_auto)( |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
352 &pacmap, spec->channels, PA_CHANNEL_MAP_WAVEEX); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
353 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
354 /* Connect to the PulseAudio server */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
355 stream = SDL_NAME(pa_simple_new)( |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
356 SDL_getenv("PASERVER"), /* server */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
357 get_progname(), /* application name */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
358 PA_STREAM_PLAYBACK, /* playback mode */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
359 SDL_getenv("PADEVICE"), /* device on the server */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
360 "Simple DirectMedia Layer", /* stream description */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
361 &paspec, /* sample format spec */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
362 &pacmap, /* channel map */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
363 &paattr, /* buffering attributes */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
364 NULL /* error code */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
365 ); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
366 if ( stream == NULL ) { |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
367 PULSE_CloseAudio(this); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
368 SDL_SetError("Could not connect to PulseAudio"); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
369 return(-1); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
370 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
371 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
372 /* Get the parent process id (we're the parent of the audio thread) */ |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
373 parent = getpid(); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
374 |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
375 return(0); |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
376 } |
42e83d81224b
Committed PulseAudio driver. Thanks, Stephan!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff
changeset
|
377 |