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comparison src/audio/pulseaudio/SDL_pulseaudio.c @ 2274:aedfcdeb69b6

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indent
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Sep 2007 12:11:40 +0000
parents 25a87553a59d
children 99210400e8b9
comparison
equal deleted inserted replaced
2273:a25bc0f79557 2274:aedfcdeb69b6
59 59
60 static const char *pulse_library = SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC; 60 static const char *pulse_library = SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC;
61 static void *pulse_handle = NULL; 61 static void *pulse_handle = NULL;
62 62
63 /* !!! FIXME: I hate this SDL_NAME clutter...it makes everything so messy! */ 63 /* !!! FIXME: I hate this SDL_NAME clutter...it makes everything so messy! */
64 static pa_simple* (*SDL_NAME(pa_simple_new))( 64 static pa_simple *(*SDL_NAME(pa_simple_new)) (const char *server,
65 const char *server, 65 const char *name,
66 const char *name, 66 pa_stream_direction_t dir,
67 pa_stream_direction_t dir, 67 const char *dev,
68 const char *dev, 68 const char *stream_name,
69 const char *stream_name, 69 const pa_sample_spec * ss,
70 const pa_sample_spec *ss, 70 const pa_channel_map * map,
71 const pa_channel_map *map, 71 const pa_buffer_attr * attr,
72 const pa_buffer_attr *attr, 72 int *error);
73 int *error 73 static void (*SDL_NAME(pa_simple_free)) (pa_simple * s);
74 ); 74 static int (*SDL_NAME(pa_simple_drain)) (pa_simple * s, int *error);
75 static void (*SDL_NAME(pa_simple_free))(pa_simple *s); 75 static int (*SDL_NAME(pa_simple_write)) (pa_simple * s,
76 static int (*SDL_NAME(pa_simple_drain))(pa_simple *s, int *error); 76 const void *data,
77 static int (*SDL_NAME(pa_simple_write))( 77 size_t length, int *error);
78 pa_simple *s, 78 static pa_channel_map *(*SDL_NAME(pa_channel_map_init_auto)) (pa_channel_map *
79 const void *data, 79 m,
80 size_t length, 80 unsigned
81 int *error 81 channels,
82 ); 82 pa_channel_map_def_t
83 static pa_channel_map* (*SDL_NAME(pa_channel_map_init_auto))( 83 def);
84 pa_channel_map *m, 84 static const char *(*SDL_NAME(pa_strerror)) (int error);
85 unsigned channels,
86 pa_channel_map_def_t def
87 );
88 static const char* (*SDL_NAME(pa_strerror))(int error);
89 85
90 86
91 #define SDL_PULSEAUDIO_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) } 87 #define SDL_PULSEAUDIO_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) }
92 static struct { 88 static struct
89 {
93 const char *name; 90 const char *name;
94 void **func; 91 void **func;
95 } pulse_functions[] = { 92 } pulse_functions[] = {
96 /* *INDENT-OFF* */ 93 /* *INDENT-OFF* */
97 SDL_PULSEAUDIO_SYM(pa_simple_new), 94 SDL_PULSEAUDIO_SYM(pa_simple_new),
100 SDL_PULSEAUDIO_SYM(pa_simple_write), 97 SDL_PULSEAUDIO_SYM(pa_simple_write),
101 SDL_PULSEAUDIO_SYM(pa_channel_map_init_auto), 98 SDL_PULSEAUDIO_SYM(pa_channel_map_init_auto),
102 SDL_PULSEAUDIO_SYM(pa_strerror), 99 SDL_PULSEAUDIO_SYM(pa_strerror),
103 /* *INDENT-ON* */ 100 /* *INDENT-ON* */
104 }; 101 };
102
105 #undef SDL_PULSEAUDIO_SYM 103 #undef SDL_PULSEAUDIO_SYM
106 104
107 static void 105 static void
108 UnloadPulseLibrary() 106 UnloadPulseLibrary()
109 { 107 {
183 181
184 static void 182 static void
185 PULSEAUDIO_PlayDevice(_THIS) 183 PULSEAUDIO_PlayDevice(_THIS)
186 { 184 {
187 /* Write the audio data */ 185 /* Write the audio data */
188 if ( SDL_NAME(pa_simple_write)(this->hidden->stream, this->hidden->mixbuf, 186 if (SDL_NAME(pa_simple_write) (this->hidden->stream, this->hidden->mixbuf,
189 this->hidden->mixlen, NULL) != 0 ) 187 this->hidden->mixlen, NULL) != 0) {
190 {
191 this->enabled = 0; 188 this->enabled = 0;
192 } 189 }
193 } 190 }
194 191
195 static void 192 static void
196 PULSEAUDIO_WaitDone(_THIS) 193 PULSEAUDIO_WaitDone(_THIS)
197 { 194 {
198 SDL_NAME(pa_simple_drain)(this->hidden->stream, NULL); 195 SDL_NAME(pa_simple_drain) (this->hidden->stream, NULL);
199 } 196 }
200 197
201 198
202 static Uint8 * 199 static Uint8 *
203 PULSEAUDIO_GetDeviceBuf(_THIS) 200 PULSEAUDIO_GetDeviceBuf(_THIS)
213 if (this->hidden->mixbuf != NULL) { 210 if (this->hidden->mixbuf != NULL) {
214 SDL_FreeAudioMem(this->hidden->mixbuf); 211 SDL_FreeAudioMem(this->hidden->mixbuf);
215 this->hidden->mixbuf = NULL; 212 this->hidden->mixbuf = NULL;
216 } 213 }
217 if (this->hidden->stream) { 214 if (this->hidden->stream) {
218 SDL_NAME(pa_simple_drain)(this->hidden->stream, NULL); 215 SDL_NAME(pa_simple_drain) (this->hidden->stream, NULL);
219 SDL_NAME(pa_simple_free)(this->hidden->stream); 216 SDL_NAME(pa_simple_free) (this->hidden->stream);
220 this->hidden->stream = NULL; 217 this->hidden->stream = NULL;
221 } 218 }
222 SDL_free(this->hidden); 219 SDL_free(this->hidden);
223 this->hidden = NULL; 220 this->hidden = NULL;
224 } 221 }
225 } 222 }
226 223
227 224
228 /* !!! FIXME: this could probably be expanded. */ 225 /* !!! FIXME: this could probably be expanded. */
229 /* Try to get the name of the program */ 226 /* Try to get the name of the program */
230 static char *get_progname(void) 227 static char *
228 get_progname(void)
231 { 229 {
232 char *progname = NULL; 230 char *progname = NULL;
233 #ifdef __LINUX__ 231 #ifdef __LINUX__
234 FILE *fp; 232 FILE *fp;
235 static char temp[BUFSIZ]; 233 static char temp[BUFSIZ];
236 234
237 SDL_snprintf(temp, SDL_arraysize(temp), "/proc/%d/cmdline", getpid()); 235 SDL_snprintf(temp, SDL_arraysize(temp), "/proc/%d/cmdline", getpid());
238 fp = fopen(temp, "r"); 236 fp = fopen(temp, "r");
239 if ( fp != NULL ) { 237 if (fp != NULL) {
240 if ( fgets(temp, sizeof(temp)-1, fp) ) { 238 if (fgets(temp, sizeof(temp) - 1, fp)) {
241 progname = SDL_strrchr(temp, '/'); 239 progname = SDL_strrchr(temp, '/');
242 if ( progname == NULL ) { 240 if (progname == NULL) {
243 progname = temp; 241 progname = temp;
244 } else { 242 } else {
245 progname = progname+1; 243 progname = progname + 1;
246 } 244 }
247 } 245 }
248 fclose(fp); 246 fclose(fp);
249 } 247 }
250 #endif 248 #endif
251 return(progname); 249 return (progname);
252 } 250 }
253 251
254 252
255 static int 253 static int
256 PULSEAUDIO_OpenDevice(_THIS, const char *devname, int iscapture) 254 PULSEAUDIO_OpenDevice(_THIS, const char *devname, int iscapture)
276 for (test_format = SDL_FirstAudioFormat(this->spec.format); 274 for (test_format = SDL_FirstAudioFormat(this->spec.format);
277 (paspec.format == PA_SAMPLE_INVALID) && test_format;) { 275 (paspec.format == PA_SAMPLE_INVALID) && test_format;) {
278 #ifdef DEBUG_AUDIO 276 #ifdef DEBUG_AUDIO
279 fprintf(stderr, "Trying format 0x%4.4x\n", test_format); 277 fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
280 #endif 278 #endif
281 switch ( test_format ) { 279 switch (test_format) {
282 case AUDIO_U8: 280 case AUDIO_U8:
283 paspec.format = PA_SAMPLE_U8; 281 paspec.format = PA_SAMPLE_U8;
284 break; 282 break;
285 case AUDIO_S16LSB: 283 case AUDIO_S16LSB:
286 paspec.format = PA_SAMPLE_S16LE; 284 paspec.format = PA_SAMPLE_S16LE;
287 break; 285 break;
288 case AUDIO_S16MSB: 286 case AUDIO_S16MSB:
289 paspec.format = PA_SAMPLE_S16BE; 287 paspec.format = PA_SAMPLE_S16BE;
290 break; 288 break;
291 default: 289 default:
292 paspec.format = PA_SAMPLE_INVALID; 290 paspec.format = PA_SAMPLE_INVALID;
293 break; 291 break;
294 } 292 }
295 if (paspec.format == PA_SAMPLE_INVALID) { 293 if (paspec.format == PA_SAMPLE_INVALID) {
296 test_format = SDL_NextAudioFormat(); 294 test_format = SDL_NextAudioFormat();
297 } 295 }
298 } 296 }
326 paattr.prebuf = this->hidden->mixlen; 324 paattr.prebuf = this->hidden->mixlen;
327 paattr.maxlength = this->hidden->mixlen * 4; 325 paattr.maxlength = this->hidden->mixlen * 4;
328 326
329 /* The SDL ALSA output hints us that we use Windows' channel mapping */ 327 /* The SDL ALSA output hints us that we use Windows' channel mapping */
330 /* http://bugzilla.libsdl.org/show_bug.cgi?id=110 */ 328 /* http://bugzilla.libsdl.org/show_bug.cgi?id=110 */
331 SDL_NAME(pa_channel_map_init_auto)( 329 SDL_NAME(pa_channel_map_init_auto) (&pacmap, this->spec.channels,
332 &pacmap, this->spec.channels, PA_CHANNEL_MAP_WAVEEX); 330 PA_CHANNEL_MAP_WAVEEX);
333 331
334 /* Connect to the PulseAudio server */ 332 /* Connect to the PulseAudio server */
335 this->hidden->stream = SDL_NAME(pa_simple_new)( 333 this->hidden->stream = SDL_NAME(pa_simple_new) (SDL_getenv("PASERVER"), /* server */
336 SDL_getenv("PASERVER"), /* server */ 334 get_progname(), /* application name */
337 get_progname(), /* application name */ 335 PA_STREAM_PLAYBACK, /* playback mode */
338 PA_STREAM_PLAYBACK, /* playback mode */ 336 SDL_getenv("PADEVICE"), /* device on the server */
339 SDL_getenv("PADEVICE"), /* device on the server */ 337 "Simple DirectMedia Layer", /* stream description */
340 "Simple DirectMedia Layer", /* stream description */ 338 &paspec, /* sample format spec */
341 &paspec, /* sample format spec */ 339 &pacmap, /* channel map */
342 &pacmap, /* channel map */ 340 &paattr, /* buffering attributes */
343 &paattr, /* buffering attributes */ 341 &err /* error code */
344 &err /* error code */ 342 );
345 ); 343
346 344 if (this->hidden->stream == NULL) {
347 if ( this->hidden->stream == NULL ) {
348 PULSEAUDIO_CloseDevice(this); 345 PULSEAUDIO_CloseDevice(this);
349 SDL_SetError("Could not connect to PulseAudio: %s", 346 SDL_SetError("Could not connect to PulseAudio: %s",
350 SDL_NAME(pa_strerror(err))); 347 SDL_NAME(pa_strerror(err)));
351 return 0; 348 return 0;
352 } 349 }