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annotate src/audio/pulseaudio/SDL_pulseaudio.c @ 4964:6c645018741e

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Build the SDL library as a shared object on Android, so it will work correctly with SDL_image and SDL_ttf.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 06 Jan 2011 16:11:21 -0800
parents 4160ba33b597
children 6d94060d16a9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /*
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24 The PulseAudio target for SDL 1.3 is based on the 1.3 arts target, with
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25 the appropriate parts replaced with the 1.2 PulseAudio target code. This
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26 was the cleanest way to move it to 1.3. The 1.2 target was written by
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27 Stéphan Kochen: stephan .a.t. kochen.nl
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28 */
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29
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30 #include "SDL_config.h"
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31
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32 /* Allow access to a raw mixing buffer */
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33
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34 #ifdef HAVE_SIGNAL_H
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35 #include <signal.h>
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36 #endif
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37 #include <unistd.h>
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38 #include <sys/types.h>
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39 #include <errno.h>
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40 #include <pulse/pulseaudio.h>
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41 #include <pulse/simple.h>
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42
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43 #include "SDL_timer.h"
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44 #include "SDL_audio.h"
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45 #include "../SDL_audiomem.h"
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46 #include "../SDL_audio_c.h"
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47 #include "SDL_pulseaudio.h"
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48 #include "SDL_loadso.h"
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49
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50 /* The tag name used by pulse audio */
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51 #define PULSEAUDIO_DRIVER_NAME "pulseaudio"
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52
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53 #if (PA_API_VERSION < 12)
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54 /** Return non-zero if the passed state is one of the connected states */
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55 static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x) {
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56 return
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57 x == PA_CONTEXT_CONNECTING ||
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58 x == PA_CONTEXT_AUTHORIZING ||
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59 x == PA_CONTEXT_SETTING_NAME ||
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60 x == PA_CONTEXT_READY;
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61 }
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62 /** Return non-zero if the passed state is one of the connected states */
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63 static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x) {
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64 return
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65 x == PA_STREAM_CREATING ||
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66 x == PA_STREAM_READY;
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67 }
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68 #endif /* pulseaudio <= 0.9.10 */
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69
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70
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71 static pa_simple *(*PULSEAUDIO_pa_simple_new) (const char *, const char *,
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72 pa_stream_direction_t, const char *, const char *, const pa_sample_spec *,
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73 const pa_channel_map *, const pa_buffer_attr *, int *);
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74 static void (*PULSEAUDIO_pa_simple_free) (pa_simple *);
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75 static pa_channel_map *(*PULSEAUDIO_pa_channel_map_init_auto) (
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76 pa_channel_map *, unsigned, pa_channel_map_def_t);
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77 static const char * (*PULSEAUDIO_pa_strerror) (int);
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78 static pa_mainloop * (*PULSEAUDIO_pa_mainloop_new) (void);
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79 static pa_mainloop_api * (*PULSEAUDIO_pa_mainloop_get_api) (pa_mainloop *);
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80 static int (*PULSEAUDIO_pa_mainloop_iterate) (pa_mainloop *, int, int *);
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81 static void (*PULSEAUDIO_pa_mainloop_free) (pa_mainloop *);
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82
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83 static pa_operation_state_t (*PULSEAUDIO_pa_operation_get_state) (
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84 pa_operation *);
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85 static void (*PULSEAUDIO_pa_operation_cancel) (pa_operation *);
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86 static void (*PULSEAUDIO_pa_operation_unref) (pa_operation *);
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87
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88 static pa_context * (*PULSEAUDIO_pa_context_new) (pa_mainloop_api *,
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89 const char *);
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90 static int (*PULSEAUDIO_pa_context_connect) (pa_context *, const char *,
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91 pa_context_flags_t, const pa_spawn_api *);
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92 static pa_context_state_t (*PULSEAUDIO_pa_context_get_state) (pa_context *);
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93 static void (*PULSEAUDIO_pa_context_disconnect) (pa_context *);
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94 static void (*PULSEAUDIO_pa_context_unref) (pa_context *);
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95
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96 static pa_stream * (*PULSEAUDIO_pa_stream_new) (pa_context *, const char *,
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97 const pa_sample_spec *, const pa_channel_map *);
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98 static int (*PULSEAUDIO_pa_stream_connect_playback) (pa_stream *, const char *,
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99 const pa_buffer_attr *, pa_stream_flags_t, pa_cvolume *, pa_stream *);
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100 static pa_stream_state_t (*PULSEAUDIO_pa_stream_get_state) (pa_stream *);
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101 static size_t (*PULSEAUDIO_pa_stream_writable_size) (pa_stream *);
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102 static int (*PULSEAUDIO_pa_stream_write) (pa_stream *, const void *, size_t,
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103 pa_free_cb_t, int64_t, pa_seek_mode_t);
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104 static pa_operation * (*PULSEAUDIO_pa_stream_drain) (pa_stream *,
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105 pa_stream_success_cb_t, void *);
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106 static int (*PULSEAUDIO_pa_stream_disconnect) (pa_stream *);
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107 static void (*PULSEAUDIO_pa_stream_unref) (pa_stream *);
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108
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109 static int load_pulseaudio_syms(void);
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110
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111
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112 #ifdef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
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113
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114 static const char *pulseaudio_library = SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC;
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115 static void *pulseaudio_handle = NULL;
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116
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117 static int
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118 load_pulseaudio_sym(const char *fn, void **addr)
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119 {
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120 *addr = SDL_LoadFunction(pulseaudio_handle, fn);
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121 if (*addr == NULL) {
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122 /* Don't call SDL_SetError(): SDL_LoadFunction already did. */
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123 return 0;
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124 }
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125
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126 return 1;
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127 }
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128
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129 /* cast funcs to char* first, to please GCC's strict aliasing rules. */
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130 #define SDL_PULSEAUDIO_SYM(x) \
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131 if (!load_pulseaudio_sym(#x, (void **) (char *) &PULSEAUDIO_##x)) return -1
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132
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133 static void
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134 UnloadPulseAudioLibrary(void)
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135 {
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136 if (pulseaudio_handle != NULL) {
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137 SDL_UnloadObject(pulseaudio_handle);
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138 pulseaudio_handle = NULL;
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139 }
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140 }
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141
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142 static int
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143 LoadPulseAudioLibrary(void)
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144 {
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145 int retval = 0;
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146 if (pulseaudio_handle == NULL) {
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147 pulseaudio_handle = SDL_LoadObject(pulseaudio_library);
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148 if (pulseaudio_handle == NULL) {
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149 retval = -1;
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150 /* Don't call SDL_SetError(): SDL_LoadObject already did. */
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151 } else {
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152 retval = load_pulseaudio_syms();
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153 if (retval < 0) {
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154 UnloadPulseAudioLibrary();
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155 }
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156 }
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157 }
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158 return retval;
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159 }
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160
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161 #else
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162
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163 #define SDL_PULSEAUDIO_SYM(x) PULSEAUDIO_##x = x
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164
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165 static void
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166 UnloadPulseAudioLibrary(void)
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167 {
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168 }
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169
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170 static int
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171 LoadPulseAudioLibrary(void)
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172 {
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173 load_pulseaudio_syms();
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174 return 0;
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175 }
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176
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177 #endif /* SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC */
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178
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179
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180 static int
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181 load_pulseaudio_syms(void)
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182 {
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183 SDL_PULSEAUDIO_SYM(pa_simple_new);
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184 SDL_PULSEAUDIO_SYM(pa_simple_free);
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185 SDL_PULSEAUDIO_SYM(pa_mainloop_new);
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186 SDL_PULSEAUDIO_SYM(pa_mainloop_get_api);
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187 SDL_PULSEAUDIO_SYM(pa_mainloop_iterate);
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188 SDL_PULSEAUDIO_SYM(pa_mainloop_free);
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189 SDL_PULSEAUDIO_SYM(pa_operation_get_state);
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190 SDL_PULSEAUDIO_SYM(pa_operation_cancel);
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191 SDL_PULSEAUDIO_SYM(pa_operation_unref);
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192 SDL_PULSEAUDIO_SYM(pa_context_new);
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193 SDL_PULSEAUDIO_SYM(pa_context_connect);
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194 SDL_PULSEAUDIO_SYM(pa_context_get_state);
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195 SDL_PULSEAUDIO_SYM(pa_context_disconnect);
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196 SDL_PULSEAUDIO_SYM(pa_context_unref);
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197 SDL_PULSEAUDIO_SYM(pa_stream_new);
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198 SDL_PULSEAUDIO_SYM(pa_stream_connect_playback);
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199 SDL_PULSEAUDIO_SYM(pa_stream_get_state);
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200 SDL_PULSEAUDIO_SYM(pa_stream_writable_size);
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201 SDL_PULSEAUDIO_SYM(pa_stream_write);
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202 SDL_PULSEAUDIO_SYM(pa_stream_drain);
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203 SDL_PULSEAUDIO_SYM(pa_stream_disconnect);
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204 SDL_PULSEAUDIO_SYM(pa_stream_unref);
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205 SDL_PULSEAUDIO_SYM(pa_channel_map_init_auto);
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206 SDL_PULSEAUDIO_SYM(pa_strerror);
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207 return 0;
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208 }
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209
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210
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211 /* This function waits until it is possible to write a full sound buffer */
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212 static void
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213 PULSEAUDIO_WaitDevice(_THIS)
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214 {
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215 struct SDL_PrivateAudioData *h = this->hidden;
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216
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217 while(1) {
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218 if (PULSEAUDIO_pa_context_get_state(h->context) != PA_CONTEXT_READY ||
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219 PULSEAUDIO_pa_stream_get_state(h->stream) != PA_STREAM_READY ||
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220 PULSEAUDIO_pa_mainloop_iterate(h->mainloop, 1, NULL) < 0) {
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221 this->enabled = 0;
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222 return;
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223 }
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224 if (PULSEAUDIO_pa_stream_writable_size(h->stream) >= h->mixlen) {
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225 return;
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226 }
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227 }
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228 }
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229
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230 static void
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231 PULSEAUDIO_PlayDevice(_THIS)
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232 {
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233 /* Write the audio data */
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234 struct SDL_PrivateAudioData *h = this->hidden;
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235 if (PULSEAUDIO_pa_stream_write(h->stream, h->mixbuf, h->mixlen, NULL, 0LL,
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diff changeset
236 PA_SEEK_RELATIVE) < 0) {
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237 this->enabled = 0;
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238 }
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239 }
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240
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241 static void
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242 stream_drain_complete(pa_stream *s, int success, void *userdata)
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243 {
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244 /* no-op for pa_stream_drain() to use for callback. */
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245 }
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246
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247 static void
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248 PULSEAUDIO_WaitDone(_THIS)
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249 {
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250 struct SDL_PrivateAudioData *h = this->hidden;
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251 pa_operation *o;
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252
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253 o = PULSEAUDIO_pa_stream_drain(h->stream, stream_drain_complete, NULL);
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254 if (!o) {
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255 return;
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256 }
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257
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258 while (PULSEAUDIO_pa_operation_get_state(o) != PA_OPERATION_DONE) {
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259 if (PULSEAUDIO_pa_context_get_state(h->context) != PA_CONTEXT_READY ||
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260 PULSEAUDIO_pa_stream_get_state(h->stream) != PA_STREAM_READY ||
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261 PULSEAUDIO_pa_mainloop_iterate(h->mainloop, 1, NULL) < 0) {
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262 PULSEAUDIO_pa_operation_cancel(o);
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263 break;
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264 }
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265 }
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266
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267 PULSEAUDIO_pa_operation_unref(o);
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268 }
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269
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270
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271
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272 static Uint8 *
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273 PULSEAUDIO_GetDeviceBuf(_THIS)
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274 {
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275 return (this->hidden->mixbuf);
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276 }
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277
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278
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279 static void
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280 PULSEAUDIO_CloseDevice(_THIS)
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281 {
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282 if (this->hidden != NULL) {
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283 if (this->hidden->mixbuf != NULL) {
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284 SDL_FreeAudioMem(this->hidden->mixbuf);
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285 this->hidden->mixbuf = NULL;
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286 }
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287 if (this->hidden->stream) {
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288 PULSEAUDIO_pa_stream_disconnect(this->hidden->stream);
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289 PULSEAUDIO_pa_stream_unref(this->hidden->stream);
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290 this->hidden->stream = NULL;
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291 }
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292 if (this->hidden->context != NULL) {
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293 PULSEAUDIO_pa_context_disconnect(this->hidden->context);
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294 PULSEAUDIO_pa_context_unref(this->hidden->context);
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295 this->hidden->context = NULL;
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296 }
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297 if (this->hidden->mainloop != NULL) {
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298 PULSEAUDIO_pa_mainloop_free(this->hidden->mainloop);
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299 this->hidden->mainloop = NULL;
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300 }
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301 SDL_free(this->hidden);
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302 this->hidden = NULL;
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303 }
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304 }
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305
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306
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307 /* !!! FIXME: this could probably be expanded. */
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308 /* Try to get the name of the program */
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309 static char *
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310 get_progname(void)
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311 {
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312 #ifdef __LINUX__
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313 char *progname = NULL;
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314 FILE *fp;
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315 static char temp[BUFSIZ];
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316
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317 SDL_snprintf(temp, SDL_arraysize(temp), "/proc/%d/cmdline", getpid());
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318 fp = fopen(temp, "r");
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319 if (fp != NULL) {
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320 if (fgets(temp, sizeof(temp) - 1, fp)) {
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321 progname = SDL_strrchr(temp, '/');
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322 if (progname == NULL) {
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323 progname = temp;
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324 } else {
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325 progname = progname + 1;
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326 }
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327 }
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328 fclose(fp);
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329 }
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diff changeset
330 return(progname);
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331 #elif defined(__NetBSD__)
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332 return getprogname();
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333 #else
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diff changeset
334 return("unknown");
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335 #endif
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336 }
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337
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338
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339 static int
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340 PULSEAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
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341 {
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342 struct SDL_PrivateAudioData *h = NULL;
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343 Uint16 test_format = 0;
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344 pa_sample_spec paspec;
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345 pa_buffer_attr paattr;
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diff changeset
346 pa_channel_map pacmap;
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diff changeset
347 pa_stream_flags_t flags = 0;
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348 int state = 0;
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349
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350 /* Initialize all variables that we clean on shutdown */
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351 this->hidden = (struct SDL_PrivateAudioData *)
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diff changeset
352 SDL_malloc((sizeof *this->hidden));
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353 if (this->hidden == NULL) {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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354 SDL_OutOfMemory();
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355 return 0;
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356 }
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diff changeset
357 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
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diff changeset
358 h = this->hidden;
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60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
359
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
360 paspec.format = PA_SAMPLE_INVALID;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
361
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
362 /* Try for a closest match on audio format */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
363 for (test_format = SDL_FirstAudioFormat(this->spec.format);
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
364 (paspec.format == PA_SAMPLE_INVALID) && test_format;) {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
365 #ifdef DEBUG_AUDIO
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
366 fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
367 #endif
2274
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
368 switch (test_format) {
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
369 case AUDIO_U8:
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
370 paspec.format = PA_SAMPLE_U8;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
371 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
372 case AUDIO_S16LSB:
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
373 paspec.format = PA_SAMPLE_S16LE;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
374 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
375 case AUDIO_S16MSB:
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
376 paspec.format = PA_SAMPLE_S16BE;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
377 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
378 default:
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
379 paspec.format = PA_SAMPLE_INVALID;
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
380 break;
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
381 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
382 if (paspec.format == PA_SAMPLE_INVALID) {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
383 test_format = SDL_NextAudioFormat();
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
384 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
385 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
386 if (paspec.format == PA_SAMPLE_INVALID) {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
387 PULSEAUDIO_CloseDevice(this);
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
388 SDL_SetError("Couldn't find any hardware audio formats");
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
389 return 0;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
390 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
391 this->spec.format = test_format;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
392
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
393 /* Calculate the final parameters for this audio specification */
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
394 #ifdef PA_STREAM_ADJUST_LATENCY
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
395 this->spec.samples /= 2; /* Mix in smaller chunck to avoid underruns */
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
396 #endif
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
397 SDL_CalculateAudioSpec(&this->spec);
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
398
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
399 /* Allocate mixing buffer */
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
400 h->mixlen = this->spec.size;
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
401 h->mixbuf = (Uint8 *) SDL_AllocAudioMem(h->mixlen);
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
402 if (h->mixbuf == NULL) {
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
403 PULSEAUDIO_CloseDevice(this);
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404 SDL_OutOfMemory();
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405 return 0;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
406 }
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
407 SDL_memset(h->mixbuf, this->spec.silence, this->spec.size);
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
409 paspec.channels = this->spec.channels;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
410 paspec.rate = this->spec.freq;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
411
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
412 /* Reduced prebuffering compared to the defaults. */
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
413 #ifdef PA_STREAM_ADJUST_LATENCY
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
414 /* 2x original requested bufsize */
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
415 paattr.tlength = h->mixlen * 4;
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
416 paattr.prebuf = -1;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
417 paattr.maxlength = -1;
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
418 /* -1 can lead to pa_stream_writable_size() >= mixlen never being true */
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
419 paattr.minreq = h->mixlen;
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
420 flags = PA_STREAM_ADJUST_LATENCY;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
421 #else
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
422 paattr.tlength = h->mixlen*2;
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
423 paattr.prebuf = h->mixlen*2;
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
424 paattr.maxlength = h->mixlen*2;
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
425 paattr.minreq = h->mixlen;
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
426 #endif
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
427
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
428 /* The SDL ALSA output hints us that we use Windows' channel mapping */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
429 /* http://bugzilla.libsdl.org/show_bug.cgi?id=110 */
3673
c9d5bd1b4e18 Attempt to clean up PulseAudio dynamic loading support.
Ryan C. Gordon <icculus@icculus.org>
parents: 3672
diff changeset
430 PULSEAUDIO_pa_channel_map_init_auto(&pacmap, this->spec.channels,
2274
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
431 PA_CHANNEL_MAP_WAVEEX);
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
433 /* Set up a new main loop */
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
434 if (!(h->mainloop = PULSEAUDIO_pa_mainloop_new())) {
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
435 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
436 SDL_SetError("pa_mainloop_new() failed");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
437 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
438 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
439
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
440 h->mainloop_api = PULSEAUDIO_pa_mainloop_get_api(h->mainloop);
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
441 h->context = PULSEAUDIO_pa_context_new(h->mainloop_api, get_progname());
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
442 if (!h->context) {
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
443 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
444 SDL_SetError("pa_context_new() failed");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
445 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
446 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
447
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
448 /* Connect to the PulseAudio server */
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
449 if (PULSEAUDIO_pa_context_connect(h->context, NULL, 0, NULL) < 0) {
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
450 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
451 SDL_SetError("Could not setup connection to PulseAudio");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
452 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
453 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
454
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
455 do {
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
456 if (PULSEAUDIO_pa_mainloop_iterate(h->mainloop, 1, NULL) < 0) {
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
457 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
458 SDL_SetError("pa_mainloop_iterate() failed");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
459 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
460 }
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
461 state = PULSEAUDIO_pa_context_get_state(h->context);
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
462 if (!PA_CONTEXT_IS_GOOD(state)) {
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
463 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
464 SDL_SetError("Could not connect to PulseAudio");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
465 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
466 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
467 } while (state != PA_CONTEXT_READY);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
468
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
469 h->stream = PULSEAUDIO_pa_stream_new(
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
470 h->context,
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
471 "Simple DirectMedia Layer", /* stream description */
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
472 &paspec, /* sample format spec */
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
473 &pacmap /* channel map */
2274
Sam Lantinga <slouken@libsdl.org>
parents: 2272
diff changeset
474 );
2272
25a87553a59d Minor PulseAudio fixes: corrected OpenDevice return code, human-readable
Ryan C. Gordon <icculus@icculus.org>
parents: 2271
diff changeset
475
3674
7b597182d06b Minor cleanups in PulseAudio code, to keep this 80-column-friendly.
Ryan C. Gordon <icculus@icculus.org>
parents: 3673
diff changeset
476 if (h->stream == NULL) {
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
477 PULSEAUDIO_CloseDevice(this);
3672
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diff changeset
478 SDL_SetError("Could not set up PulseAudio stream");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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479 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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480 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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diff changeset
481
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482 if (PULSEAUDIO_pa_stream_connect_playback(h->stream, NULL, &paattr, flags,
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parents: 3068
diff changeset
483 NULL, NULL) < 0) {
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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parents: 3068
diff changeset
484 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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diff changeset
485 SDL_SetError("Could not connect PulseAudio stream");
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486 return 0;
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487 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
488
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
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parents: 3068
diff changeset
489 do {
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490 if (PULSEAUDIO_pa_mainloop_iterate(h->mainloop, 1, NULL) < 0) {
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
491 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
492 SDL_SetError("pa_mainloop_iterate() failed");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
493 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
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494 }
3674
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
495 state = PULSEAUDIO_pa_stream_get_state(h->stream);
3672
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
496 if (!PA_STREAM_IS_GOOD(state)) {
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
497 PULSEAUDIO_CloseDevice(this);
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
498 SDL_SetError("Could not create to PulseAudio stream");
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
499 return 0;
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
500 }
878d8adf2fde Merged r4210:5510 from branches/SDL-1.2/src/audio/pulse: PulseAudio updates.
Ryan C. Gordon <icculus@icculus.org>
parents: 3068
diff changeset
501 } while (state != PA_STREAM_READY);
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60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
502
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
503 /* We're ready to rock and roll. :-) */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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parents:
diff changeset
504 return 1;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
506
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
507
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
508 static void
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
509 PULSEAUDIO_Deinitialize(void)
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
510 {
3673
c9d5bd1b4e18 Attempt to clean up PulseAudio dynamic loading support.
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diff changeset
511 UnloadPulseAudioLibrary();
2271
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Ryan C. Gordon <icculus@icculus.org>
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512 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515 static int
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
516 PULSEAUDIO_Init(SDL_AudioDriverImpl * impl)
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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diff changeset
517 {
3673
c9d5bd1b4e18 Attempt to clean up PulseAudio dynamic loading support.
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diff changeset
518 if (LoadPulseAudioLibrary() < 0) {
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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diff changeset
519 return 0;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
520 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
521
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
522 /* Set the function pointers */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
523 impl->OpenDevice = PULSEAUDIO_OpenDevice;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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diff changeset
524 impl->PlayDevice = PULSEAUDIO_PlayDevice;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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diff changeset
525 impl->WaitDevice = PULSEAUDIO_WaitDevice;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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parents:
diff changeset
526 impl->GetDeviceBuf = PULSEAUDIO_GetDeviceBuf;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
527 impl->CloseDevice = PULSEAUDIO_CloseDevice;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
528 impl->WaitDone = PULSEAUDIO_WaitDone;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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diff changeset
529 impl->Deinitialize = PULSEAUDIO_Deinitialize;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
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parents:
diff changeset
530 impl->OnlyHasDefaultOutputDevice = 1;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
531
3699
4160ba33b597 Removed test for "driver is valid, but doesn't see any audio devices."
Ryan C. Gordon <icculus@icculus.org>
parents: 3697
diff changeset
532 return 1; /* this audio target is available. */
2271
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
533 }
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
534
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
535
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
536 AudioBootStrap PULSEAUDIO_bootstrap = {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
537 PULSEAUDIO_DRIVER_NAME, "PulseAudio", PULSEAUDIO_Init, 0
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
538 };
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
539
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
540 /* vi: set ts=4 sw=4 expandtab: */