| | 1 | #include <assert.h> |
| | 2 | #include <string.h> |
| | 3 | #include <stdio.h> |
| | 4 | |
| | 5 | #include <pulse/pulseaudio.h> |
| | 6 | |
| | 7 | #include "config.h" |
| | 8 | #include "libaf/af_format.h" |
| | 9 | #include "mp_msg.h" |
| | 10 | #include "audio_out.h" |
| | 11 | #include "audio_out_internal.h" |
| | 12 | |
| | 13 | #define PULSE_CLIENT_NAME "MPlayer" |
| | 14 | |
| | 15 | /*#define PULSE_DEBUG*/ |
| | 16 | |
| | 17 | /** General driver info */ |
| | 18 | static ao_info_t info = { |
| | 19 | "PulseAudio audio output", |
| | 20 | "pulse", |
| | 21 | "Lennart Poettering", |
| | 22 | "" |
| | 23 | }; |
| | 24 | |
| | 25 | /** The sink to connect to */ |
| | 26 | static char *sink = NULL; |
| | 27 | |
| | 28 | /** PulseAudio playback stream object */ |
| | 29 | static struct pa_stream *stream = NULL; |
| | 30 | |
| | 31 | /** PulseAudio connection context */ |
| | 32 | static struct pa_context *context = NULL; |
| | 33 | |
| | 34 | /** Main event loop object */ |
| | 35 | static struct pa_threaded_mainloop *mainloop = NULL; |
| | 36 | |
| | 37 | /** A temporary variable to store the current volume */ |
| | 38 | static pa_cvolume volume; |
| | 39 | static int volume_initialized = 0; |
| | 40 | |
| | 41 | /** Some special libao macro magic */ |
| | 42 | LIBAO_EXTERN(pulse) |
| | 43 | |
| | 44 | #define CHECK_DEAD_GOTO(label) do { \ |
| | 45 | if (!context || pa_context_get_state(context) != PA_CONTEXT_READY || \ |
| | 46 | !stream || pa_stream_get_state(stream) != PA_STREAM_READY) { \ |
| | 47 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Connection died: %s\n", context ? pa_strerror(pa_context_errno(context)) : "NULL"); \ |
| | 48 | goto label; \ |
| | 49 | } \ |
| | 50 | } while(0); |
| | 51 | |
| | 52 | static void context_state_cb(pa_context *c, void *userdata) { |
| | 53 | assert(c); |
| | 54 | |
| | 55 | switch (pa_context_get_state(c)) { |
| | 56 | case PA_CONTEXT_READY: |
| | 57 | case PA_CONTEXT_TERMINATED: |
| | 58 | case PA_CONTEXT_FAILED: |
| | 59 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 60 | break; |
| | 61 | |
| | 62 | case PA_CONTEXT_UNCONNECTED: |
| | 63 | case PA_CONTEXT_CONNECTING: |
| | 64 | case PA_CONTEXT_AUTHORIZING: |
| | 65 | case PA_CONTEXT_SETTING_NAME: |
| | 66 | break; |
| | 67 | } |
| | 68 | } |
| | 69 | |
| | 70 | static void stream_state_cb(pa_stream *s, void * userdata) { |
| | 71 | assert(s); |
| | 72 | |
| | 73 | switch (pa_stream_get_state(s)) { |
| | 74 | |
| | 75 | case PA_STREAM_READY: |
| | 76 | case PA_STREAM_FAILED: |
| | 77 | case PA_STREAM_TERMINATED: |
| | 78 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 79 | break; |
| | 80 | |
| | 81 | case PA_STREAM_UNCONNECTED: |
| | 82 | case PA_STREAM_CREATING: |
| | 83 | break; |
| | 84 | } |
| | 85 | } |
| | 86 | |
| | 87 | static void stream_request_cb(pa_stream *s, size_t length, void *userdata) { |
| | 88 | assert(s); |
| | 89 | |
| | 90 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 91 | } |
| | 92 | |
| | 93 | static void stream_latency_update_cb(pa_stream *s, void *userdata) { |
| | 94 | assert(s); |
| | 95 | |
| | 96 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 97 | } |
| | 98 | |
| | 99 | static void success_cb(pa_stream *s, int success, void *userdata) { |
| | 100 | assert(s); |
| | 101 | |
| | 102 | if (userdata) |
| | 103 | *(int*) userdata = success; |
| | 104 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 105 | } |
| | 106 | |
| | 107 | /** libao initialization function, arguments are sampling frequency, |
| | 108 | * number of channels, sample type and some flags */ |
| | 109 | static int init(int rate_hz, int channels, int format, int flags) { |
| | 110 | struct pa_sample_spec ss; |
| | 111 | struct pa_channel_map map; |
| | 112 | char hn[128]; |
| | 113 | char *host = NULL; |
| | 114 | |
| | 115 | assert(!context); |
| | 116 | assert(!stream); |
| | 117 | assert(!mainloop); |
| | 118 | |
| | 119 | if (ao_subdevice) { |
| | 120 | int i = strcspn(ao_subdevice, ":"); |
| | 121 | if ((size_t) i >= sizeof(hn)) |
| | 122 | i = sizeof(hn)-1; |
| | 123 | |
| | 124 | if (i > 0) { |
| | 125 | strncpy(host = hn, ao_subdevice, i); |
| | 126 | hn[i] = 0; |
| | 127 | } |
| | 128 | |
| | 129 | if (ao_subdevice[i] == ':') |
| | 130 | sink = ao_subdevice+i+1; |
| | 131 | } |
| | 132 | |
| | 133 | ss.channels = channels; |
| | 134 | ss.rate = rate_hz; |
| | 135 | |
| | 136 | ao_data.samplerate = rate_hz; |
| | 137 | ao_data.format = format; |
| | 138 | ao_data.channels = channels; |
| | 139 | |
| | 140 | switch (format) { |
| | 141 | case AF_FORMAT_U8: |
| | 142 | ss.format = PA_SAMPLE_U8; |
| | 143 | break; |
| | 144 | case AF_FORMAT_S16_LE: |
| | 145 | ss.format = PA_SAMPLE_S16LE; |
| | 146 | break; |
| | 147 | case AF_FORMAT_S16_BE: |
| | 148 | ss.format = PA_SAMPLE_S16BE; |
| | 149 | break; |
| | 150 | case AF_FORMAT_FLOAT_LE: |
| | 151 | ss.format = PA_SAMPLE_FLOAT32LE; |
| | 152 | break; |
| | 153 | case AF_FORMAT_FLOAT_BE: |
| | 154 | ss.format = PA_SAMPLE_FLOAT32BE; |
| | 155 | break; |
| | 156 | case AF_FORMAT_MU_LAW: |
| | 157 | ss.format = PA_SAMPLE_ULAW; |
| | 158 | break; |
| | 159 | case AF_FORMAT_A_LAW: |
| | 160 | ss.format = PA_SAMPLE_ALAW; |
| | 161 | break; |
| | 162 | default: |
| | 163 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Unsupported sample spec\n"); |
| | 164 | goto fail; |
| | 165 | } |
| | 166 | |
| | 167 | if (!pa_sample_spec_valid(&ss)) { |
| | 168 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Invalid sample spec\n"); |
| | 169 | goto fail; |
| | 170 | } |
| | 171 | |
| | 172 | pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA); |
| | 173 | ao_data.bps = pa_bytes_per_second(&ss); |
| | 174 | |
| | 175 | if (!volume_initialized || ss.channels != volume.channels) { |
| | 176 | pa_cvolume_reset(&volume, ss.channels); |
| | 177 | volume_initialized = 1; |
| | 178 | } |
| | 179 | |
| | 180 | if (!(mainloop = pa_threaded_mainloop_new())) { |
| | 181 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate main loop\n"); |
| | 182 | goto fail; |
| | 183 | } |
| | 184 | |
| | 185 | if (!(context = pa_context_new(pa_threaded_mainloop_get_api(mainloop), PULSE_CLIENT_NAME))) { |
| | 186 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to allocate context\n"); |
| | 187 | goto fail; |
| | 188 | } |
| | 189 | |
| | 190 | pa_context_set_state_callback(context, context_state_cb, NULL); |
| | 191 | |
| | 192 | if (pa_context_connect(context, host, 0, NULL) < 0) { |
| | 193 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to connect to server: %s\n", pa_strerror(pa_context_errno(context))); |
| | 194 | goto fail; |
| | 195 | } |
| | 196 | |
| | 197 | pa_threaded_mainloop_lock(mainloop); |
| | 198 | |
| | 199 | if (pa_threaded_mainloop_start(mainloop) < 0) { |
| | 200 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to start main loop\n"); |
| | 201 | goto unlock_and_fail; |
| | 202 | } |
| | 203 | |
| | 204 | /* Wait until the context is ready */ |
| | 205 | pa_threaded_mainloop_wait(mainloop); |
| | 206 | |
| | 207 | if (pa_context_get_state(context) != PA_CONTEXT_READY) { |
| | 208 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to connect to server: %s\n", pa_strerror(pa_context_errno(context))); |
| | 209 | goto unlock_and_fail; |
| | 210 | } |
| | 211 | |
| | 212 | if (!(stream = pa_stream_new(context, "audio stream", &ss, &map))) { |
| | 213 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to create stream: %s\n", pa_strerror(pa_context_errno(context))); |
| | 214 | goto unlock_and_fail; |
| | 215 | } |
| | 216 | |
| | 217 | pa_stream_set_state_callback(stream, stream_state_cb, NULL); |
| | 218 | pa_stream_set_write_callback(stream, stream_request_cb, NULL); |
| | 219 | pa_stream_set_latency_update_callback(stream, stream_latency_update_cb, NULL); |
| | 220 | |
| | 221 | if (pa_stream_connect_playback(stream, sink, NULL, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, &volume, NULL) < 0) { |
| | 222 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to connect stream: %s\n", pa_strerror(pa_context_errno(context))); |
| | 223 | goto unlock_and_fail; |
| | 224 | } |
| | 225 | |
| | 226 | /* Wait until the stream is ready */ |
| | 227 | pa_threaded_mainloop_wait(mainloop); |
| | 228 | |
| | 229 | if (pa_stream_get_state(stream) != PA_STREAM_READY) { |
| | 230 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to connect to server: %s\n", pa_strerror(pa_context_errno(context))); |
| | 231 | goto unlock_and_fail; |
| | 232 | } |
| | 233 | |
| | 234 | pa_threaded_mainloop_unlock(mainloop); |
| | 235 | |
| | 236 | return 1; |
| | 237 | |
| | 238 | unlock_and_fail: |
| | 239 | |
| | 240 | if (mainloop) |
| | 241 | pa_threaded_mainloop_unlock(mainloop); |
| | 242 | |
| | 243 | fail: |
| | 244 | |
| | 245 | uninit(1); |
| | 246 | return 0; |
| | 247 | } |
| | 248 | |
| | 249 | /** Destroy libao driver */ |
| | 250 | static void uninit(int immed) { |
| | 251 | #ifdef PULSE_DEBUG |
| | 252 | fprintf(stderr, "uninit(%i) ***\n", immed); |
| | 253 | #endif |
| | 254 | |
| | 255 | if (stream) { |
| | 256 | if (!immed) { |
| | 257 | pa_operation *o; |
| | 258 | |
| | 259 | pa_threaded_mainloop_lock(mainloop); |
| | 260 | |
| | 261 | if ((o = pa_stream_drain(stream, success_cb, NULL))) { |
| | 262 | |
| | 263 | while (pa_operation_get_state(o) != PA_OPERATION_DONE) { |
| | 264 | CHECK_DEAD_GOTO(fail); |
| | 265 | pa_threaded_mainloop_wait(mainloop); |
| | 266 | } |
| | 267 | |
| | 268 | fail: |
| | 269 | |
| | 270 | pa_operation_unref(o); |
| | 271 | } |
| | 272 | |
| | 273 | pa_threaded_mainloop_unlock(mainloop); |
| | 274 | } |
| | 275 | } |
| | 276 | |
| | 277 | if (mainloop) |
| | 278 | pa_threaded_mainloop_stop(mainloop); |
| | 279 | |
| | 280 | if (stream) { |
| | 281 | pa_stream_disconnect(stream); |
| | 282 | pa_stream_unref(stream); |
| | 283 | stream = NULL; |
| | 284 | } |
| | 285 | |
| | 286 | if (context) { |
| | 287 | pa_context_disconnect(context); |
| | 288 | pa_context_unref(context); |
| | 289 | context = NULL; |
| | 290 | } |
| | 291 | |
| | 292 | if (mainloop) { |
| | 293 | pa_threaded_mainloop_free(mainloop); |
| | 294 | mainloop = NULL; |
| | 295 | } |
| | 296 | } |
| | 297 | |
| | 298 | /** Play the specified data to the pulseaudio server */ |
| | 299 | static int play(void* data, int len, int flags) { |
| | 300 | int r = -1; |
| | 301 | pa_operation *o = NULL; |
| | 302 | |
| | 303 | assert(stream); |
| | 304 | assert(context); |
| | 305 | |
| | 306 | #ifdef PULSE_DEBUG |
| | 307 | fprintf(stderr, "playing %lu ***\n", len); |
| | 308 | #endif |
| | 309 | |
| | 310 | pa_threaded_mainloop_lock(mainloop); |
| | 311 | |
| | 312 | CHECK_DEAD_GOTO(fail); |
| | 313 | |
| | 314 | if (len) { |
| | 315 | |
| | 316 | if (pa_stream_write(stream, data, len, NULL, 0, PA_SEEK_RELATIVE) < 0) { |
| | 317 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_write() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 318 | goto fail; |
| | 319 | } |
| | 320 | |
| | 321 | } else { |
| | 322 | |
| | 323 | if (!(o = pa_stream_trigger(stream, NULL, NULL))) { |
| | 324 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_trigger() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 325 | goto fail; |
| | 326 | } |
| | 327 | |
| | 328 | /* We don't wait for this operation to complete */ |
| | 329 | } |
| | 330 | |
| | 331 | r = len; |
| | 332 | |
| | 333 | fail: |
| | 334 | if (o) |
| | 335 | pa_operation_unref(o); |
| | 336 | |
| | 337 | pa_threaded_mainloop_unlock(mainloop); |
| | 338 | |
| | 339 | return r; |
| | 340 | } |
| | 341 | |
| | 342 | static void cork(int b) { |
| | 343 | pa_operation *o = NULL; |
| | 344 | int success = 0; |
| | 345 | |
| | 346 | assert(stream); |
| | 347 | assert(context); |
| | 348 | |
| | 349 | #ifdef PULSE_DEBUG |
| | 350 | fprintf(stderr, "cork(%i) ***\n", b); |
| | 351 | #endif |
| | 352 | |
| | 353 | pa_threaded_mainloop_lock(mainloop); |
| | 354 | |
| | 355 | CHECK_DEAD_GOTO(fail); |
| | 356 | |
| | 357 | if (!(o = pa_stream_cork(stream, b, success_cb, &success))) { |
| | 358 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_cork() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 359 | goto fail; |
| | 360 | } |
| | 361 | |
| | 362 | while (pa_operation_get_state(o) != PA_OPERATION_DONE) { |
| | 363 | CHECK_DEAD_GOTO(fail); |
| | 364 | pa_threaded_mainloop_wait(mainloop); |
| | 365 | } |
| | 366 | |
| | 367 | if (!success) |
| | 368 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_cork() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 369 | |
| | 370 | pa_operation_unref(o); |
| | 371 | |
| | 372 | fail: |
| | 373 | pa_threaded_mainloop_unlock(mainloop); |
| | 374 | } |
| | 375 | |
| | 376 | /** Pause the audio stream by corking it on the server */ |
| | 377 | static void audio_pause(void) { |
| | 378 | cork(1); |
| | 379 | } |
| | 380 | |
| | 381 | /** Resume the audio stream by uncorking it on the server */ |
| | 382 | static void audio_resume(void) { |
| | 383 | cork(0); |
| | 384 | } |
| | 385 | |
| | 386 | /** Reset the audio stream, i.e. flush the playback buffer on the server side */ |
| | 387 | static void reset(void) { |
| | 388 | pa_operation *o = NULL; |
| | 389 | int success = 0; |
| | 390 | |
| | 391 | assert(stream); |
| | 392 | assert(context); |
| | 393 | |
| | 394 | #ifdef PULSE_DEBUG |
| | 395 | fprintf(stderr, "reset() ***\n"); |
| | 396 | #endif |
| | 397 | |
| | 398 | pa_threaded_mainloop_lock(mainloop); |
| | 399 | |
| | 400 | CHECK_DEAD_GOTO(fail); |
| | 401 | |
| | 402 | if (!(o = pa_stream_flush(stream, success_cb, &success))) { |
| | 403 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_flush() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 404 | goto fail; |
| | 405 | } |
| | 406 | |
| | 407 | while (pa_operation_get_state(o) != PA_OPERATION_DONE) { |
| | 408 | CHECK_DEAD_GOTO(fail); |
| | 409 | pa_threaded_mainloop_wait(mainloop); |
| | 410 | } |
| | 411 | |
| | 412 | if (!success) |
| | 413 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_flush() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 414 | |
| | 415 | pa_operation_unref(o); |
| | 416 | |
| | 417 | fail: |
| | 418 | pa_threaded_mainloop_unlock(mainloop); |
| | 419 | } |
| | 420 | |
| | 421 | /** Return number of bytes that may be written to the server without blocking */ |
| | 422 | static int get_space(void) { |
| | 423 | size_t l = (size_t) -1; |
| | 424 | |
| | 425 | pa_threaded_mainloop_lock(mainloop); |
| | 426 | |
| | 427 | CHECK_DEAD_GOTO(fail); |
| | 428 | |
| | 429 | l = pa_stream_writable_size(stream); |
| | 430 | |
| | 431 | #ifdef PULSE_DEBUG |
| | 432 | fprintf(stderr, "\nspace = %lu\n", l); |
| | 433 | #endif |
| | 434 | |
| | 435 | fail: |
| | 436 | |
| | 437 | pa_threaded_mainloop_unlock(mainloop); |
| | 438 | |
| | 439 | return l == (size_t) -1 ? -1 : (int) l; |
| | 440 | } |
| | 441 | |
| | 442 | /** Return the current latency in seconds */ |
| | 443 | static float get_delay(void) { |
| | 444 | pa_usec_t latency = (pa_usec_t) -1; |
| | 445 | |
| | 446 | pa_threaded_mainloop_lock(mainloop); |
| | 447 | |
| | 448 | for (;;) { |
| | 449 | CHECK_DEAD_GOTO(fail); |
| | 450 | |
| | 451 | if (pa_stream_get_latency(stream, &latency, NULL) >= 0) |
| | 452 | break; |
| | 453 | |
| | 454 | if (pa_context_errno(context) != PA_ERR_NODATA) { |
| | 455 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_get_latency() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 456 | goto fail; |
| | 457 | } |
| | 458 | |
| | 459 | /* Wait until latency data is available again */ |
| | 460 | pa_threaded_mainloop_wait(mainloop); |
| | 461 | } |
| | 462 | |
| | 463 | #ifdef PULSE_DEBUG |
| | 464 | fprintf(stderr, "latency=%0.3f sec\n", (double) latency / 1000000); |
| | 465 | #endif |
| | 466 | |
| | 467 | fail: |
| | 468 | pa_threaded_mainloop_unlock(mainloop); |
| | 469 | |
| | 470 | return (latency == (pa_usec_t) -1) ? 0 : ((float) latency / 1000000.0); |
| | 471 | } |
| | 472 | |
| | 473 | /** A callback function that is called when the |
| | 474 | * pa_context_get_sink_input_info() operation completes. Saves the |
| | 475 | * volume field of the specified structure to the global variable volume. */ |
| | 476 | static void info_func(struct pa_context *c, const struct pa_sink_input_info *i, int is_last, void *userdata) { |
| | 477 | if (is_last < 0) { |
| | 478 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] Failed to get sink input info: %s\n", pa_strerror(pa_context_errno(context))); |
| | 479 | return; |
| | 480 | } |
| | 481 | |
| | 482 | if (!i) |
| | 483 | return; |
| | 484 | |
| | 485 | volume = i->volume; |
| | 486 | volume_initialized = 1; |
| | 487 | |
| | 488 | pa_threaded_mainloop_signal(mainloop, 0); |
| | 489 | } |
| | 490 | |
| | 491 | /** Issue special libao controls on the device */ |
| | 492 | static int control(int cmd, void *arg) { |
| | 493 | |
| | 494 | if (!context || !stream) |
| | 495 | return CONTROL_ERROR; |
| | 496 | |
| | 497 | switch (cmd) { |
| | 498 | |
| | 499 | case AOCONTROL_GET_VOLUME: { |
| | 500 | /* Return the current volume of the playback stream */ |
| | 501 | ao_control_vol_t *vol = (ao_control_vol_t*) arg; |
| | 502 | pa_operation *o; |
| | 503 | |
| | 504 | if (!(o = pa_context_get_sink_input_info(context, pa_stream_get_index(stream), info_func, NULL))) { |
| | 505 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_get_sink_input_info() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 506 | return CONTROL_ERROR; |
| | 507 | } |
| | 508 | |
| | 509 | while (pa_operation_get_state(o) != PA_OPERATION_DONE) { |
| | 510 | CHECK_DEAD_GOTO(fail); |
| | 511 | pa_threaded_mainloop_wait(mainloop); |
| | 512 | } |
| | 513 | |
| | 514 | fail: |
| | 515 | pa_operation_unref(o); |
| | 516 | |
| | 517 | if (!volume_initialized) { |
| | 518 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_stream_get_sink_input_info() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 519 | return CONTROL_ERROR; |
| | 520 | } |
| | 521 | |
| | 522 | if (volume.channels != 2) |
| | 523 | vol->left = vol->right = (int) ((pa_cvolume_avg(&volume)*100)/PA_VOLUME_NORM); |
| | 524 | else { |
| | 525 | vol->left = (int) (volume.values[0]*100)/PA_VOLUME_NORM; |
| | 526 | vol->right = (int) (volume.values[1]*100)/PA_VOLUME_NORM; |
| | 527 | } |
| | 528 | |
| | 529 | return CONTROL_OK; |
| | 530 | } |
| | 531 | |
| | 532 | case AOCONTROL_SET_VOLUME: { |
| | 533 | /* Set the playback volume of the stream */ |
| | 534 | const ao_control_vol_t *vol = (ao_control_vol_t*) arg; |
| | 535 | pa_operation *o; |
| | 536 | |
| | 537 | if (!volume_initialized) { |
| | 538 | pa_cvolume_reset(&volume, 2); |
| | 539 | volume_initialized = 1; |
| | 540 | } |
| | 541 | |
| | 542 | if (volume.channels != 2) |
| | 543 | pa_cvolume_set(&volume, volume.channels, ((pa_volume_t) vol->left*PA_VOLUME_NORM)/100); |
| | 544 | else { |
| | 545 | volume.values[0] = ((pa_volume_t) vol->left*PA_VOLUME_NORM)/100; |
| | 546 | volume.values[1] = ((pa_volume_t) vol->right*PA_VOLUME_NORM)/100; |
| | 547 | } |
| | 548 | |
| | 549 | if (!(o = pa_context_set_sink_input_volume(context, pa_stream_get_index(stream), &volume, NULL, NULL))) { |
| | 550 | mp_msg(MSGT_AO, MSGL_ERR, "AO: [pulse] pa_context_set_sink_input_volume() failed: %s\n", pa_strerror(pa_context_errno(context))); |
| | 551 | return CONTROL_ERROR; |
| | 552 | } |
| | 553 | |
| | 554 | pa_operation_unref(o); |
| | 555 | |
| | 556 | /* We don't wait for completion here */ |
| | 557 | |
| | 558 | return CONTROL_OK; |
| | 559 | } |
| | 560 | |
| | 561 | default: |
| | 562 | /* Unknown CONTROL command */ |
| | 563 | return CONTROL_UNKNOWN; |
| | 564 | } |
| | 565 | } |
| | 566 | |
| | 567 | |