diff options
Diffstat (limited to 'apps/plugins/pdbox/PDa/src/s_audio_pa.c')
-rw-r--r-- | apps/plugins/pdbox/PDa/src/s_audio_pa.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/apps/plugins/pdbox/PDa/src/s_audio_pa.c b/apps/plugins/pdbox/PDa/src/s_audio_pa.c index ebae9679dc..943b57e212 100644 --- a/apps/plugins/pdbox/PDa/src/s_audio_pa.c +++ b/apps/plugins/pdbox/PDa/src/s_audio_pa.c | |||
@@ -290,295 +290,4 @@ void pa_getdevs(char *indevlist, int *nindevs, | |||
290 | *nindevs = nin; | 290 | *nindevs = nin; |
291 | *noutdevs = nout; | 291 | *noutdevs = nout; |
292 | } | 292 | } |
293 | /* Copyright (c) 2001 Miller Puckette and others. | ||
294 | * For information on usage and redistribution, and for a DISCLAIMER OF ALL | ||
295 | * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ | ||
296 | |||
297 | /* this file calls Ross Bencina's and Phil Burk's Portaudio package. It's | ||
298 | the main way in for Mac OS and, with Michael Casey's help, also into | ||
299 | ASIO in Windows. */ | ||
300 | |||
301 | |||
302 | #include "m_pd.h" | ||
303 | #include "s_stuff.h" | ||
304 | #include <stdio.h> | ||
305 | #include <stdlib.h> | ||
306 | #include "portaudio.h" | ||
307 | #include "pablio_pd.h" | ||
308 | |||
309 | /* LATER try to figure out how to handle default devices in portaudio; | ||
310 | the way s_audio.c handles them isn't going to work here. */ | ||
311 | |||
312 | #if defined(MACOSX) || defined(MSW) | ||
313 | #define Pa_GetDefaultInputDevice Pa_GetDefaultInputDeviceID | ||
314 | #define Pa_GetDefaultOutputDevice Pa_GetDefaultOutputDeviceID | ||
315 | #endif | ||
316 | |||
317 | /* public interface declared in m_imp.h */ | ||
318 | |||
319 | /* implementation */ | ||
320 | static PABLIO_Stream *pa_stream; | ||
321 | static int pa_inchans, pa_outchans; | ||
322 | static float *pa_soundin, *pa_soundout; | ||
323 | |||
324 | #define MAX_PA_CHANS 32 | ||
325 | #define MAX_SAMPLES_PER_FRAME MAX_PA_CHANS * DEFDACBLKSIZE | ||
326 | |||
327 | int pa_open_audio(int inchans, int outchans, int rate, t_sample *soundin, | ||
328 | t_sample *soundout, int framesperbuf, int nbuffers, | ||
329 | int indeviceno, int outdeviceno) | ||
330 | { | ||
331 | PaError err; | ||
332 | static int initialized; | ||
333 | int j, devno, pa_indev = 0, pa_outdev = 0; | ||
334 | |||
335 | if (!initialized) | ||
336 | { | ||
337 | /* Initialize PortAudio */ | ||
338 | int err = Pa_Initialize(); | ||
339 | if ( err != paNoError ) | ||
340 | { | ||
341 | fprintf( stderr, | ||
342 | "Error number %d occured initializing portaudio\n", | ||
343 | err); | ||
344 | fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); | ||
345 | return (1); | ||
346 | } | ||
347 | initialized = 1; | ||
348 | } | ||
349 | /* post("in %d out %d rate %d device %d", inchans, outchans, rate, deviceno); */ | ||
350 | if (inchans != 0 && outchans != 0 && inchans != outchans) | ||
351 | error("portaudio: number of input and output channels must match"); | ||
352 | if (inchans > MAX_PA_CHANS) | ||
353 | { | ||
354 | post("input channels reduced to maximum %d", MAX_PA_CHANS); | ||
355 | inchans = MAX_PA_CHANS; | ||
356 | } | ||
357 | if (outchans > MAX_PA_CHANS) | ||
358 | { | ||
359 | post("output channels reduced to maximum %d", MAX_PA_CHANS); | ||
360 | outchans = MAX_PA_CHANS; | ||
361 | } | ||
362 | |||
363 | if (inchans > 0) | ||
364 | { | ||
365 | for (j = 0, devno = 0; j < Pa_CountDevices(); j++) | ||
366 | { | ||
367 | const PaDeviceInfo *info = Pa_GetDeviceInfo(j); | ||
368 | if (info->maxInputChannels > 0) | ||
369 | { | ||
370 | if (devno == indeviceno) | ||
371 | { | ||
372 | pa_indev = j; | ||
373 | break; | ||
374 | } | ||
375 | devno++; | ||
376 | } | ||
377 | } | ||
378 | } | ||
379 | |||
380 | if (outchans > 0) | ||
381 | { | ||
382 | for (j = 0, devno = 0; j < Pa_CountDevices(); j++) | ||
383 | { | ||
384 | const PaDeviceInfo *info = Pa_GetDeviceInfo(j); | ||
385 | if (info->maxOutputChannels > 0) | ||
386 | { | ||
387 | if (devno == outdeviceno) | ||
388 | { | ||
389 | pa_outdev = j; | ||
390 | break; | ||
391 | } | ||
392 | devno++; | ||
393 | } | ||
394 | } | ||
395 | } | ||
396 | 293 | ||
397 | if (sys_verbose) | ||
398 | { | ||
399 | post("input device %d, channels %d", pa_indev, inchans); | ||
400 | post("output device %d, channels %d", pa_outdev, outchans); | ||
401 | post("framesperbuf %d, nbufs %d", framesperbuf, nbuffers); | ||
402 | } | ||
403 | if (inchans && outchans) | ||
404 | err = OpenAudioStream( &pa_stream, rate, paFloat32, | ||
405 | PABLIO_READ_WRITE, inchans, framesperbuf, nbuffers, | ||
406 | pa_indev, pa_outdev); | ||
407 | else if (inchans) | ||
408 | err = OpenAudioStream( &pa_stream, rate, paFloat32, | ||
409 | PABLIO_READ, inchans, framesperbuf, nbuffers, | ||
410 | pa_indev, pa_outdev); | ||
411 | else if (outchans) | ||
412 | err = OpenAudioStream( &pa_stream, rate, paFloat32, | ||
413 | PABLIO_WRITE, outchans, framesperbuf, nbuffers, | ||
414 | pa_indev, pa_outdev); | ||
415 | else err = 0; | ||
416 | if ( err != paNoError ) | ||
417 | { | ||
418 | fprintf( stderr, "Error number %d occured opening portaudio stream\n", | ||
419 | err); | ||
420 | fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); | ||
421 | Pa_Terminate(); | ||
422 | sys_inchannels = sys_outchannels = 0; | ||
423 | return (1); | ||
424 | } | ||
425 | else if (sys_verbose) | ||
426 | post("... opened OK."); | ||
427 | pa_inchans = inchans; | ||
428 | pa_outchans = outchans; | ||
429 | pa_soundin = soundin; | ||
430 | pa_soundout = soundout; | ||
431 | return (0); | ||
432 | } | ||
433 | |||
434 | void pa_close_audio( void) | ||
435 | { | ||
436 | if (pa_inchans || pa_outchans) | ||
437 | CloseAudioStream( pa_stream ); | ||
438 | pa_inchans = pa_outchans = 0; | ||
439 | } | ||
440 | |||
441 | int pa_send_dacs(void) | ||
442 | { | ||
443 | float samples[MAX_SAMPLES_PER_FRAME], *fp1, *fp2; | ||
444 | int i, j; | ||
445 | double timebefore; | ||
446 | |||
447 | timebefore = sys_getrealtime(); | ||
448 | if ((pa_inchans && GetAudioStreamReadable(pa_stream) < DEFDACBLKSIZE) || | ||
449 | (pa_outchans && GetAudioStreamWriteable(pa_stream) < DEFDACBLKSIZE)) | ||
450 | { | ||
451 | if (pa_inchans && pa_outchans) | ||
452 | { | ||
453 | int synced = 0; | ||
454 | while (GetAudioStreamWriteable(pa_stream) > 2*DEFDACBLKSIZE) | ||
455 | { | ||
456 | for (j = 0; j < pa_outchans; j++) | ||
457 | for (i = 0, fp2 = samples + j; i < DEFDACBLKSIZE; i++, | ||
458 | fp2 += pa_outchans) | ||
459 | { | ||
460 | *fp2 = 0; | ||
461 | } | ||
462 | synced = 1; | ||
463 | WriteAudioStream(pa_stream, samples, DEFDACBLKSIZE); | ||
464 | } | ||
465 | while (GetAudioStreamReadable(pa_stream) > 2*DEFDACBLKSIZE) | ||
466 | { | ||
467 | synced = 1; | ||
468 | ReadAudioStream(pa_stream, samples, DEFDACBLKSIZE); | ||
469 | } | ||
470 | /* if (synced) | ||
471 | post("sync"); */ | ||
472 | } | ||
473 | return (SENDDACS_NO); | ||
474 | } | ||
475 | if (pa_inchans) | ||
476 | { | ||
477 | ReadAudioStream(pa_stream, samples, DEFDACBLKSIZE); | ||
478 | for (j = 0, fp1 = pa_soundin; j < pa_inchans; j++, fp1 += DEFDACBLKSIZE) | ||
479 | for (i = 0, fp2 = samples + j; i < DEFDACBLKSIZE; i++, | ||
480 | fp2 += pa_inchans) | ||
481 | { | ||
482 | fp1[i] = *fp2; | ||
483 | } | ||
484 | } | ||
485 | #if 0 | ||
486 | { | ||
487 | static int nread; | ||
488 | if (nread == 0) | ||
489 | { | ||
490 | post("it's %f %f %f %f", | ||
491 | pa_soundin[0], pa_soundin[1], pa_soundin[2], pa_soundin[3]); | ||
492 | nread = 1000; | ||
493 | } | ||
494 | nread--; | ||
495 | } | ||
496 | #endif | ||
497 | if (pa_outchans) | ||
498 | { | ||
499 | for (j = 0, fp1 = pa_soundout; j < pa_outchans; j++, | ||
500 | fp1 += DEFDACBLKSIZE) | ||
501 | for (i = 0, fp2 = samples + j; i < DEFDACBLKSIZE; i++, | ||
502 | fp2 += pa_outchans) | ||
503 | { | ||
504 | *fp2 = fp1[i]; | ||
505 | fp1[i] = 0; | ||
506 | } | ||
507 | WriteAudioStream(pa_stream, samples, DEFDACBLKSIZE); | ||
508 | } | ||
509 | |||
510 | if (sys_getrealtime() > timebefore + 0.002) | ||
511 | { | ||
512 | /* post("slept"); */ | ||
513 | return (SENDDACS_SLEPT); | ||
514 | } | ||
515 | else return (SENDDACS_YES); | ||
516 | } | ||
517 | |||
518 | |||
519 | void pa_listdevs(void) /* lifted from pa_devs.c in portaudio */ | ||
520 | { | ||
521 | int i,j; | ||
522 | int numDevices; | ||
523 | const PaDeviceInfo *pdi; | ||
524 | PaError err; | ||
525 | Pa_Initialize(); | ||
526 | numDevices = Pa_CountDevices(); | ||
527 | if( numDevices < 0 ) | ||
528 | { | ||
529 | fprintf(stderr, "ERROR: Pa_CountDevices returned 0x%x\n", numDevices ); | ||
530 | err = numDevices; | ||
531 | goto error; | ||
532 | } | ||
533 | fprintf(stderr, "Audio Devices:\n"); | ||
534 | for( i=0; i<numDevices; i++ ) | ||
535 | { | ||
536 | pdi = Pa_GetDeviceInfo( i ); | ||
537 | fprintf(stderr, "device %d:", i+1 ); | ||
538 | fprintf(stderr, " %s;", pdi->name ); | ||
539 | fprintf(stderr, "%d inputs, ", pdi->maxInputChannels ); | ||
540 | fprintf(stderr, "%d outputs", pdi->maxOutputChannels ); | ||
541 | if ( i == Pa_GetDefaultInputDevice() ) | ||
542 | fprintf(stderr, " (Default Input)"); | ||
543 | if ( i == Pa_GetDefaultOutputDevice() ) | ||
544 | fprintf(stderr, " (Default Output)"); | ||
545 | fprintf(stderr, "\n"); | ||
546 | } | ||
547 | |||
548 | fprintf(stderr, "\n"); | ||
549 | return; | ||
550 | |||
551 | error: | ||
552 | fprintf( stderr, "An error occured while using the portaudio stream\n" ); | ||
553 | fprintf( stderr, "Error number: %d\n", err ); | ||
554 | fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); | ||
555 | |||
556 | } | ||
557 | |||
558 | /* scanning for devices */ | ||
559 | void pa_getdevs(char *indevlist, int *nindevs, | ||
560 | char *outdevlist, int *noutdevs, int *canmulti, | ||
561 | int maxndev, int devdescsize) | ||
562 | { | ||
563 | int i, nin = 0, nout = 0, ndev; | ||
564 | *canmulti = 1; /* one dev each for input and output */ | ||
565 | |||
566 | Pa_Initialize(); | ||
567 | ndev = Pa_CountDevices(); | ||
568 | for (i = 0; i < ndev; i++) | ||
569 | { | ||
570 | const PaDeviceInfo *pdi = Pa_GetDeviceInfo(i); | ||
571 | if (pdi->maxInputChannels > 0 && nin < maxndev) | ||
572 | { | ||
573 | strcpy(indevlist + nin * devdescsize, pdi->name); | ||
574 | nin++; | ||
575 | } | ||
576 | if (pdi->maxOutputChannels > 0 && nout < maxndev) | ||
577 | { | ||
578 | strcpy(outdevlist + nout * devdescsize, pdi->name); | ||
579 | nout++; | ||
580 | } | ||
581 | } | ||
582 | *nindevs = nin; | ||
583 | *noutdevs = nout; | ||
584 | } | ||