From c1ae4414d4ac6504992434b949b252c30daf0c48 Mon Sep 17 00:00:00 2001 From: Wincent Balin Date: Thu, 3 Jun 2010 00:39:13 +0000 Subject: pdbox: Source cleanup. Removed unneeded files. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26497 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/pdbox/PDa/src/s_audio_mmio.c | 795 ------------------------------ 1 file changed, 795 deletions(-) delete mode 100644 apps/plugins/pdbox/PDa/src/s_audio_mmio.c (limited to 'apps/plugins/pdbox/PDa/src/s_audio_mmio.c') diff --git a/apps/plugins/pdbox/PDa/src/s_audio_mmio.c b/apps/plugins/pdbox/PDa/src/s_audio_mmio.c deleted file mode 100644 index 4a4a8f7354..0000000000 --- a/apps/plugins/pdbox/PDa/src/s_audio_mmio.c +++ /dev/null @@ -1,795 +0,0 @@ -/* Copyright (c) 1997-1999 Miller Puckette. -* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ - -/* modified 2/98 by Winfried Ritsch to deal with up to 4 synchronized -"wave" devices, which is how ADAT boards appear to the WAVE API. */ - -#include "m_pd.h" -#include "s_stuff.h" -#include - -#include - -#include - -/* ------------------------- audio -------------------------- */ - -static void nt_close_midiin(void); -static void nt_noresync( void); - -static void postflags(void); - -#define NAPORTS 16 /* wini hack for multiple ADDA devices */ -#define CHANNELS_PER_DEVICE 2 -#define DEFAULTCHANS 2 -#define DEFAULTSRATE 44100 -#define SAMPSIZE 2 - -int nt_realdacblksize; -#define DEFREALDACBLKSIZE (4 * DEFDACBLKSIZE) /* larger underlying bufsize */ - -#define MAXBUFFER 100 /* number of buffers in use at maximum advance */ -#define DEFBUFFER 30 /* default is about 30x6 = 180 msec! */ -static int nt_naudiobuffer = DEFBUFFER; -float sys_dacsr = DEFAULTSRATE; - -static int nt_whichapi = API_MMIO; -static int nt_meters; /* true if we're metering */ -static float nt_inmax; /* max input amplitude */ -static float nt_outmax; /* max output amplitude */ -static int nt_nwavein, nt_nwaveout; /* number of WAVE devices in and out */ - -typedef struct _sbuf -{ - HANDLE hData; - HPSTR lpData; // pointer to waveform data memory - HANDLE hWaveHdr; - WAVEHDR *lpWaveHdr; // pointer to header structure -} t_sbuf; - -t_sbuf ntsnd_outvec[NAPORTS][MAXBUFFER]; /* circular buffer array */ -HWAVEOUT ntsnd_outdev[NAPORTS]; /* output device */ -static int ntsnd_outphase[NAPORTS]; /* index of next buffer to send */ - -t_sbuf ntsnd_invec[NAPORTS][MAXBUFFER]; /* circular buffer array */ -HWAVEIN ntsnd_indev[NAPORTS]; /* input device */ -static int ntsnd_inphase[NAPORTS]; /* index of next buffer to read */ - -static void nt_waveinerror(char *s, int err) -{ - char t[256]; - waveInGetErrorText(err, t, 256); - fprintf(stderr, s, t); -} - -static void nt_waveouterror(char *s, int err) -{ - char t[256]; - waveOutGetErrorText(err, t, 256); - fprintf(stderr, s, t); -} - -static void wave_prep(t_sbuf *bp, int setdone) -{ - WAVEHDR *wh; - short *sp; - int i; - /* - * Allocate and lock memory for the waveform data. The memory - * for waveform data must be globally allocated with - * GMEM_MOVEABLE and GMEM_SHARE flags. - */ - - if (!(bp->hData = - GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, - (DWORD) (CHANNELS_PER_DEVICE * SAMPSIZE * nt_realdacblksize)))) - printf("alloc 1 failed\n"); - - if (!(bp->lpData = - (HPSTR) GlobalLock(bp->hData))) - printf("lock 1 failed\n"); - - /* Allocate and lock memory for the header. */ - - if (!(bp->hWaveHdr = - GlobalAlloc(GMEM_MOVEABLE | GMEM_SHARE, (DWORD) sizeof(WAVEHDR)))) - printf("alloc 2 failed\n"); - - if (!(wh = bp->lpWaveHdr = - (WAVEHDR *) GlobalLock(bp->hWaveHdr))) - printf("lock 2 failed\n"); - - for (i = CHANNELS_PER_DEVICE * nt_realdacblksize, - sp = (short *)bp->lpData; i--; ) - *sp++ = 0; - - wh->lpData = bp->lpData; - wh->dwBufferLength = (CHANNELS_PER_DEVICE * SAMPSIZE * nt_realdacblksize); - wh->dwFlags = 0; - wh->dwLoops = 0L; - wh->lpNext = 0; - wh->reserved = 0; - /* optionally (for writing) set DONE flag as if we had queued them */ - if (setdone) - wh->dwFlags = WHDR_DONE; -} - -static UINT nt_whichdac = WAVE_MAPPER, nt_whichadc = WAVE_MAPPER; - -int mmio_do_open_audio(void) -{ - PCMWAVEFORMAT form; - int i, j; - UINT mmresult; - int nad, nda; - static int naudioprepped = 0, nindevsprepped = 0, noutdevsprepped = 0; - if (sys_verbose) - post("%d devices in, %d devices out", - nt_nwavein, nt_nwaveout); - - form.wf.wFormatTag = WAVE_FORMAT_PCM; - form.wf.nChannels = CHANNELS_PER_DEVICE; - form.wf.nSamplesPerSec = sys_dacsr; - form.wf.nAvgBytesPerSec = sys_dacsr * (CHANNELS_PER_DEVICE * SAMPSIZE); - form.wf.nBlockAlign = CHANNELS_PER_DEVICE * SAMPSIZE; - form.wBitsPerSample = 8 * SAMPSIZE; - - if (nt_nwavein <= 1 && nt_nwaveout <= 1) - nt_noresync(); - - if (nindevsprepped < nt_nwavein) - { - for (i = nindevsprepped; i < nt_nwavein; i++) - for (j = 0; j < naudioprepped; j++) - wave_prep(&ntsnd_invec[i][j], 0); - nindevsprepped = nt_nwavein; - } - if (noutdevsprepped < nt_nwaveout) - { - for (i = noutdevsprepped; i < nt_nwaveout; i++) - for (j = 0; j < naudioprepped; j++) - wave_prep(&ntsnd_outvec[i][j], 1); - noutdevsprepped = nt_nwaveout; - } - if (naudioprepped < nt_naudiobuffer) - { - for (j = naudioprepped; j < nt_naudiobuffer; j++) - { - for (i = 0; i < nt_nwavein; i++) - wave_prep(&ntsnd_invec[i][j], 0); - for (i = 0; i < nt_nwaveout; i++) - wave_prep(&ntsnd_outvec[i][j], 1); - } - naudioprepped = nt_naudiobuffer; - } - for (nad=0; nad < nt_nwavein; nad++) - { - /* Open waveform device(s), sucessively numbered, for input */ - - mmresult = waveInOpen(&ntsnd_indev[nad], nt_whichadc+nad, - (WAVEFORMATEX *)(&form), 0L, 0L, CALLBACK_NULL); - - if (sys_verbose) - printf("opened adc device %d with return %d\n", - nt_whichadc+nad,mmresult); - - if (mmresult != MMSYSERR_NOERROR) - { - nt_waveinerror("waveInOpen: %s\n", mmresult); - nt_nwavein = nad; /* nt_nwavein = 0 wini */ - } - else - { - for (i = 0; i < nt_naudiobuffer; i++) - { - mmresult = waveInPrepareHeader(ntsnd_indev[nad], - ntsnd_invec[nad][i].lpWaveHdr, sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveinerror("waveinprepareheader: %s\n", mmresult); - mmresult = waveInAddBuffer(ntsnd_indev[nad], - ntsnd_invec[nad][i].lpWaveHdr, sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveinerror("waveInAddBuffer: %s\n", mmresult); - } - } - } - /* quickly start them all together */ - for (nad = 0; nad < nt_nwavein; nad++) - waveInStart(ntsnd_indev[nad]); - - for (nda = 0; nda < nt_nwaveout; nda++) - { - /* Open a waveform device for output in sucessiv device numbering*/ - mmresult = waveOutOpen(&ntsnd_outdev[nda], nt_whichdac + nda, - (WAVEFORMATEX *)(&form), 0L, 0L, CALLBACK_NULL); - - if (sys_verbose) - fprintf(stderr,"opened dac device %d, with return %d\n", - nt_whichdac +nda, mmresult); - - if (mmresult != MMSYSERR_NOERROR) - { - fprintf(stderr,"Wave out open device %d + %d\n",nt_whichdac,nda); - nt_waveouterror("waveOutOpen device: %s\n", mmresult); - nt_nwaveout = nda; - } - } - - return (0); -} - -void mmio_close_audio( void) -{ - int errcode; - int nda, nad; - if (sys_verbose) - post("closing audio..."); - - for (nda=0; nda < nt_nwaveout; nda++) /*if (nt_nwaveout) wini */ - { - errcode = waveOutReset(ntsnd_outdev[nda]); - if (errcode != MMSYSERR_NOERROR) - printf("error resetting output %d: %d\n", nda, errcode); - errcode = waveOutClose(ntsnd_outdev[nda]); - if (errcode != MMSYSERR_NOERROR) - printf("error closing output %d: %d\n",nda , errcode); - } - nt_nwaveout = 0; - - for(nad=0; nad < nt_nwavein;nad++) /* if (nt_nwavein) wini */ - { - errcode = waveInReset(ntsnd_indev[nad]); - if (errcode != MMSYSERR_NOERROR) - printf("error resetting input: %d\n", errcode); - errcode = waveInClose(ntsnd_indev[nad]); - if (errcode != MMSYSERR_NOERROR) - printf("error closing input: %d\n", errcode); - } - nt_nwavein = 0; -} - - -#define ADCJITTER 10 /* We tolerate X buffers of jitter by default */ -#define DACJITTER 10 - -static int nt_adcjitterbufsallowed = ADCJITTER; -static int nt_dacjitterbufsallowed = DACJITTER; - - /* ------------- MIDI time stamping from audio clock ------------ */ - -#ifdef MIDI_TIMESTAMP - -static double nt_hibuftime; -static double initsystime = -1; - - /* call this whenever we reset audio */ -static void nt_resetmidisync(void) -{ - initsystime = clock_getsystime(); - nt_hibuftime = sys_getrealtime(); -} - - /* call this whenever we're idled waiting for audio to be ready. - The routine maintains a high and low water point for the difference - between real and DAC time. */ - -static void nt_midisync(void) -{ - double jittersec, diff; - - if (initsystime == -1) nt_resetmidisync(); - jittersec = (nt_dacjitterbufsallowed > nt_adcjitterbufsallowed ? - nt_dacjitterbufsallowed : nt_adcjitterbufsallowed) - * nt_realdacblksize / sys_getsr(); - diff = sys_getrealtime() - 0.001 * clock_gettimesince(initsystime); - if (diff > nt_hibuftime) nt_hibuftime = diff; - if (diff < nt_hibuftime - jittersec) - { - post("jitter excess %d %f", dac, diff); - nt_resetmidisync(); - } -} - -static double nt_midigettimefor(LARGE_INTEGER timestamp) -{ - /* this is broken now... used to work when "timestamp" was derived from - QueryPerformanceCounter() instead of the gates approved - timeGetSystemTime() call in the MIDI callback routine below. */ - return (nt_tixtotime(timestamp) - nt_hibuftime); -} -#endif /* MIDI_TIMESTAMP */ - - -static int nt_fill = 0; -#define WRAPFWD(x) ((x) >= nt_naudiobuffer ? (x) - nt_naudiobuffer: (x)) -#define WRAPBACK(x) ((x) < 0 ? (x) + nt_naudiobuffer: (x)) -#define MAXRESYNC 500 - -#if 0 /* this is used for debugging */ -static void nt_printaudiostatus(void) -{ - int nad, nda; - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - int phase2 = phase, phase3 = WRAPFWD(phase2), count, ntrans = 0; - int firstphasedone = -1, firstphasebusy = -1; - for (count = 0; count < nt_naudiobuffer; count++) - { - int donethis = - (ntsnd_invec[nad][phase2].lpWaveHdr->dwFlags & WHDR_DONE); - int donenext = - (ntsnd_invec[nad][phase3].lpWaveHdr->dwFlags & WHDR_DONE); - if (donethis && !donenext) - { - if (firstphasebusy >= 0) goto multipleadc; - firstphasebusy = count; - } - if (!donethis && donenext) - { - if (firstphasedone >= 0) goto multipleadc; - firstphasedone = count; - } - phase2 = phase3; - phase3 = WRAPFWD(phase2 + 1); - } - post("nad %d phase %d busy %d done %d", nad, phase, firstphasebusy, - firstphasedone); - continue; - multipleadc: - startpost("nad %d phase %d: oops:", nad, phase); - for (count = 0; count < nt_naudiobuffer; count++) - { - char buf[80]; - sprintf(buf, " %d", - (ntsnd_invec[nad][count].lpWaveHdr->dwFlags & WHDR_DONE)); - poststring(buf); - } - endpost(); - } - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nad]; - int phase2 = phase, phase3 = WRAPFWD(phase2), count, ntrans = 0; - int firstphasedone = -1, firstphasebusy = -1; - for (count = 0; count < nt_naudiobuffer; count++) - { - int donethis = - (ntsnd_outvec[nda][phase2].lpWaveHdr->dwFlags & WHDR_DONE); - int donenext = - (ntsnd_outvec[nda][phase3].lpWaveHdr->dwFlags & WHDR_DONE); - if (donethis && !donenext) - { - if (firstphasebusy >= 0) goto multipledac; - firstphasebusy = count; - } - if (!donethis && donenext) - { - if (firstphasedone >= 0) goto multipledac; - firstphasedone = count; - } - phase2 = phase3; - phase3 = WRAPFWD(phase2 + 1); - } - if (firstphasebusy < 0) post("nda %d phase %d all %d", - nda, phase, (ntsnd_outvec[nad][0].lpWaveHdr->dwFlags & WHDR_DONE)); - else post("nda %d phase %d busy %d done %d", nda, phase, firstphasebusy, - firstphasedone); - continue; - multipledac: - startpost("nda %d phase %d: oops:", nda, phase); - for (count = 0; count < nt_naudiobuffer; count++) - { - char buf[80]; - sprintf(buf, " %d", - (ntsnd_outvec[nad][count].lpWaveHdr->dwFlags & WHDR_DONE)); - poststring(buf); - } - endpost(); - } -} -#endif /* 0 */ - -/* this is a hack to avoid ever resyncing audio pointers in case for whatever -reason the sync testing below gives false positives. */ - -static int nt_resync_cancelled; - -static void nt_noresync( void) -{ - nt_resync_cancelled = 1; -} - -static void nt_resyncaudio(void) -{ - UINT mmresult; - int nad, nda, count; - if (nt_resync_cancelled) - return; - /* for each open input device, eat all buffers which are marked - ready. The next one will thus be "busy". */ - post("resyncing audio"); - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - for (count = 0; count < MAXRESYNC; count++) - { - WAVEHDR *inwavehdr = ntsnd_invec[nad][phase].lpWaveHdr; - if (!(inwavehdr->dwFlags & WHDR_DONE)) break; - if (inwavehdr->dwFlags & WHDR_PREPARED) - waveInUnprepareHeader(ntsnd_indev[nad], - inwavehdr, sizeof(WAVEHDR)); - inwavehdr->dwFlags = 0L; - waveInPrepareHeader(ntsnd_indev[nad], inwavehdr, sizeof(WAVEHDR)); - mmresult = waveInAddBuffer(ntsnd_indev[nad], inwavehdr, - sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveinerror("waveInAddBuffer: %s\n", mmresult); - ntsnd_inphase[nad] = phase = WRAPFWD(phase + 1); - } - if (count == MAXRESYNC) post("resync error 1"); - } - /* Each output buffer which is "ready" is filled with zeros and - queued. */ - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - for (count = 0; count < MAXRESYNC; count++) - { - WAVEHDR *outwavehdr = ntsnd_outvec[nda][phase].lpWaveHdr; - if (!(outwavehdr->dwFlags & WHDR_DONE)) break; - if (outwavehdr->dwFlags & WHDR_PREPARED) - waveOutUnprepareHeader(ntsnd_outdev[nda], - outwavehdr, sizeof(WAVEHDR)); - outwavehdr->dwFlags = 0L; - memset((char *)(ntsnd_outvec[nda][phase].lpData), - 0, (CHANNELS_PER_DEVICE * SAMPSIZE * nt_realdacblksize)); - waveOutPrepareHeader(ntsnd_outdev[nda], outwavehdr, - sizeof(WAVEHDR)); - mmresult = waveOutWrite(ntsnd_outdev[nda], outwavehdr, - sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveouterror("waveOutAddBuffer: %s\n", mmresult); - ntsnd_outphase[nda] = phase = WRAPFWD(phase + 1); - } - if (count == MAXRESYNC) post("resync error 2"); - } - -#ifdef MIDI_TIMESTAMP - nt_resetmidisync(); -#endif - -} - -#define LATE 0 -#define RESYNC 1 -#define NOTHING 2 -static int nt_errorcount; -static int nt_resynccount; -static double nt_nextreporttime = -1; - -void nt_logerror(int which) -{ -#if 0 - post("error %d %d", count, which); - if (which < NOTHING) nt_errorcount++; - if (which == RESYNC) nt_resynccount++; - if (sys_getrealtime() > nt_nextreporttime) - { - post("%d audio I/O error%s", nt_errorcount, - (nt_errorcount > 1 ? "s" : "")); - if (nt_resynccount) post("DAC/ADC sync error"); - nt_errorcount = nt_resynccount = 0; - nt_nextreporttime = sys_getrealtime() - 5; - } -#endif -} - -/* system buffer with t_sample types for one tick */ -t_sample *sys_soundout; -t_sample *sys_soundin; -float sys_dacsr; - -int mmio_send_dacs(void) -{ - HMMIO hmmio; - UINT mmresult; - HANDLE hFormat; - int i, j; - short *sp1, *sp2; - float *fp1, *fp2; - int nextfill, doxfer = 0; - int nda, nad; - if (!nt_nwavein && !nt_nwaveout) return (0); - - - if (nt_meters) - { - int i, n; - float maxsamp; - for (i = 0, n = 2 * nt_nwavein * DEFDACBLKSIZE, maxsamp = nt_inmax; - i < n; i++) - { - float f = sys_soundin[i]; - if (f > maxsamp) maxsamp = f; - else if (-f > maxsamp) maxsamp = -f; - } - nt_inmax = maxsamp; - for (i = 0, n = 2 * nt_nwaveout * DEFDACBLKSIZE, maxsamp = nt_outmax; - i < n; i++) - { - float f = sys_soundout[i]; - if (f > maxsamp) maxsamp = f; - else if (-f > maxsamp) maxsamp = -f; - } - nt_outmax = maxsamp; - } - - /* the "fill pointer" nt_fill controls where in the next - I/O buffers we will write and/or read. If it's zero, we - first check whether the buffers are marked "done". */ - - if (!nt_fill) - { - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - WAVEHDR *inwavehdr = ntsnd_invec[nad][phase].lpWaveHdr; - if (!(inwavehdr->dwFlags & WHDR_DONE)) goto idle; - } - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - WAVEHDR *outwavehdr = - ntsnd_outvec[nda][phase].lpWaveHdr; - if (!(outwavehdr->dwFlags & WHDR_DONE)) goto idle; - } - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - WAVEHDR *inwavehdr = - ntsnd_invec[nad][phase].lpWaveHdr; - if (inwavehdr->dwFlags & WHDR_PREPARED) - waveInUnprepareHeader(ntsnd_indev[nad], - inwavehdr, sizeof(WAVEHDR)); - } - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - WAVEHDR *outwavehdr = ntsnd_outvec[nda][phase].lpWaveHdr; - if (outwavehdr->dwFlags & WHDR_PREPARED) - waveOutUnprepareHeader(ntsnd_outdev[nda], - outwavehdr, sizeof(WAVEHDR)); - } - } - - /* Convert audio output to fixed-point and put it in the output - buffer. */ - for (nda = 0, fp1 = sys_soundout; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - - for (i = 0, sp1 = (short *)(ntsnd_outvec[nda][phase].lpData) + - CHANNELS_PER_DEVICE * nt_fill; - i < 2; i++, fp1 += DEFDACBLKSIZE, sp1++) - { - for (j = 0, fp2 = fp1, sp2 = sp1; j < DEFDACBLKSIZE; - j++, fp2++, sp2 += CHANNELS_PER_DEVICE) - { - int x1 = 32767.f * *fp2; - if (x1 > 32767) x1 = 32767; - else if (x1 < -32767) x1 = -32767; - *sp2 = x1; - } - } - } - memset(sys_soundout, 0, - (DEFDACBLKSIZE *sizeof(t_sample)*CHANNELS_PER_DEVICE)*nt_nwaveout); - - /* vice versa for the input buffer */ - - for (nad = 0, fp1 = sys_soundin; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - - for (i = 0, sp1 = (short *)(ntsnd_invec[nad][phase].lpData) + - CHANNELS_PER_DEVICE * nt_fill; - i < 2; i++, fp1 += DEFDACBLKSIZE, sp1++) - { - for (j = 0, fp2 = fp1, sp2 = sp1; j < DEFDACBLKSIZE; - j++, fp2++, sp2 += CHANNELS_PER_DEVICE) - { - *fp2 = ((float)(1./32767.)) * (float)(*sp2); - } - } - } - - nt_fill = nt_fill + DEFDACBLKSIZE; - if (nt_fill == nt_realdacblksize) - { - nt_fill = 0; - - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - HWAVEIN device = ntsnd_indev[nad]; - WAVEHDR *inwavehdr = ntsnd_invec[nad][phase].lpWaveHdr; - waveInPrepareHeader(device, inwavehdr, sizeof(WAVEHDR)); - mmresult = waveInAddBuffer(device, inwavehdr, sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveinerror("waveInAddBuffer: %s\n", mmresult); - ntsnd_inphase[nad] = WRAPFWD(phase + 1); - } - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - HWAVEOUT device = ntsnd_outdev[nda]; - WAVEHDR *outwavehdr = ntsnd_outvec[nda][phase].lpWaveHdr; - waveOutPrepareHeader(device, outwavehdr, sizeof(WAVEHDR)); - mmresult = waveOutWrite(device, outwavehdr, sizeof(WAVEHDR)); - if (mmresult != MMSYSERR_NOERROR) - nt_waveouterror("waveOutWrite: %s\n", mmresult); - ntsnd_outphase[nda] = WRAPFWD(phase + 1); - } - - /* check for DAC underflow or ADC overflow. */ - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = WRAPBACK(ntsnd_inphase[nad] - 2); - WAVEHDR *inwavehdr = ntsnd_invec[nad][phase].lpWaveHdr; - if (inwavehdr->dwFlags & WHDR_DONE) goto late; - } - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = WRAPBACK(ntsnd_outphase[nda] - 2); - WAVEHDR *outwavehdr = ntsnd_outvec[nda][phase].lpWaveHdr; - if (outwavehdr->dwFlags & WHDR_DONE) goto late; - } - } - return (1); - -late: - - nt_logerror(LATE); - nt_resyncaudio(); - return (1); - -idle: - - /* If more than nt_adcjitterbufsallowed ADC buffers are ready - on any input device, resynchronize */ - - for (nad = 0; nad < nt_nwavein; nad++) - { - int phase = ntsnd_inphase[nad]; - WAVEHDR *inwavehdr = - ntsnd_invec[nad] - [WRAPFWD(phase + nt_adcjitterbufsallowed)].lpWaveHdr; - if (inwavehdr->dwFlags & WHDR_DONE) - { - nt_resyncaudio(); - return (0); - } - } - - /* test dac sync the same way */ - for (nda = 0; nda < nt_nwaveout; nda++) - { - int phase = ntsnd_outphase[nda]; - WAVEHDR *outwavehdr = - ntsnd_outvec[nda] - [WRAPFWD(phase + nt_dacjitterbufsallowed)].lpWaveHdr; - if (outwavehdr->dwFlags & WHDR_DONE) - { - nt_resyncaudio(); - return (0); - } - } -#ifdef MIDI_TIMESTAMP - nt_midisync(); -#endif - return (0); -} - -/* ------------------- public routines -------------------------- */ - -void mmio_open_audio(int naudioindev, int *audioindev, - int nchindev, int *chindev, int naudiooutdev, int *audiooutdev, - int nchoutdev, int *choutdev, int rate) /* IOhannes */ -{ - int nbuf; - - nt_realdacblksize = (sys_blocksize ? sys_blocksize : DEFREALDACBLKSIZE); - nbuf = sys_advance_samples/nt_realdacblksize; - if (nbuf >= MAXBUFFER) - { - fprintf(stderr, "pd: audio buffering maxed out to %d\n", - (int)(MAXBUFFER * ((nt_realdacblksize * 1000.)/44100.))); - nbuf = MAXBUFFER; - } - else if (nbuf < 4) nbuf = 4; - fprintf(stderr, "%d audio buffers\n", nbuf); - nt_naudiobuffer = nbuf; - if (nt_adcjitterbufsallowed > nbuf - 2) - nt_adcjitterbufsallowed = nbuf - 2; - if (nt_dacjitterbufsallowed > nbuf - 2) - nt_dacjitterbufsallowed = nbuf - 2; - - nt_nwavein = sys_inchannels / 2; - nt_nwaveout = sys_outchannels / 2; - nt_whichadc = (naudioindev < 1 ? - (nt_nwavein > 1 ? WAVE_MAPPER : -1) : audioindev[0]); - nt_whichdac = (naudiooutdev < 1 ? - (nt_nwaveout > 1 ? WAVE_MAPPER : -1) : audiooutdev[0]); - if (naudiooutdev > 1 || naudioindev > 1) - post("separate audio device choice not supported; using sequential devices."); - mmio_do_open_audio(); -} - - -void mmio_reportidle(void) -{ -} - -#if 0 -/* list the audio and MIDI device names */ -void mmio_listdevs(void) -{ - UINT wRtn, ndevices; - unsigned int i; - - ndevices = waveInGetNumDevs(); - for (i = 0; i < ndevices; i++) - { - WAVEINCAPS wicap; - wRtn = waveInGetDevCaps(i, (LPWAVEINCAPS) &wicap, - sizeof(wicap)); - if (wRtn) nt_waveinerror("waveInGetDevCaps: %s\n", wRtn); - else fprintf(stderr, - "audio input device #%d: %s\n", i+1, wicap.szPname); - } - - ndevices = waveOutGetNumDevs(); - for (i = 0; i < ndevices; i++) - { - WAVEOUTCAPS wocap; - wRtn = waveOutGetDevCaps(i, (LPWAVEOUTCAPS) &wocap, - sizeof(wocap)); - if (wRtn) nt_waveouterror("waveOutGetDevCaps: %s\n", wRtn); - else fprintf(stderr, - "audio output device #%d: %s\n", i+1, wocap.szPname); - } -} -#endif - -void mmio_getdevs(char *indevlist, int *nindevs, - char *outdevlist, int *noutdevs, int *canmulti, - int maxndev, int devdescsize) -{ - int wRtn, ndev, i; - - *canmulti = 2; /* supports multiple devices */ - ndev = waveInGetNumDevs(); - if (ndev > maxndev) - ndev = maxndev; - *nindevs = ndev; - for (i = 0; i < ndev; i++) - { - WAVEINCAPS wicap; - wRtn = waveInGetDevCaps(i, (LPWAVEINCAPS) &wicap, sizeof(wicap)); - sprintf(indevlist + i * devdescsize, (wRtn ? "???" : wicap.szPname)); - } - - ndev = waveOutGetNumDevs(); - if (ndev > maxndev) - ndev = maxndev; - *noutdevs = ndev; - for (i = 0; i < ndev; i++) - { - WAVEOUTCAPS wocap; - wRtn = waveOutGetDevCaps(i, (LPWAVEOUTCAPS) &wocap, sizeof(wocap)); - sprintf(outdevlist + i * devdescsize, (wRtn ? "???" : wocap.szPname)); - } -} - -- cgit v1.2.3