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-rw-r--r--desiredata/src/s_audio_sgi.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/desiredata/src/s_audio_sgi.c b/desiredata/src/s_audio_sgi.c
deleted file mode 100644
index 878cf255..00000000
--- a/desiredata/src/s_audio_sgi.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/* ----------------------- Experimental routines for SGI -------------- */
-/* written by Olaf Matthes <olaf.matthes@gmx.de> */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <m_pd.h>
-#include <s_stuff.h>
-
-#include <dmedia/audio.h>
-#include <dmedia/midi.h>
-#include <sys/fpu.h>
-#include <errno.h>
-
-#define SGI_MAXDEV 4 /* it's just 3, but default counts as well... */
-#define SGI_MAXCH 12 /* max. number of channels - is this enough? */
-
-static ALport sgi_iport[SGI_MAXDEV];
-static ALport sgi_oport[SGI_MAXDEV];
-static ALconfig sgi_inconfig;
-static ALconfig sgi_outconfig;
-static int sgi_nindevs, sgi_noutdevs;
-static int sgi_inchannels, sgi_outchannels;
-static int sgi_ninchans[SGI_MAXDEV], sgi_noutchans[SGI_MAXDEV];
-
-/* set the special "flush zero" but (FS, bit 24) in the Control Status Register of the FPU of R4k and beyond
- so that the result of any underflowing operation will be clamped to zero, and no exception of any kind will
- be generated on the CPU. thanks to cpirazzi@cp.esd.sgi.com (Chris Pirazzi). */
-static void sgi_flush_all_underflows_to_zero () {
- union fpc_csr f;
- f.fc_word = get_fpc_csr();
- f.fc_struct.flush = 1;
- set_fpc_csr(f.fc_word);
-}
-
-/* convert the most common errors into readable strings */
-static char *sgi_get_error_message(int err) {
- switch (err) {
- case AL_BAD_CONFIG: return "Invalid config";
- case AL_BAD_DIRECTION: return "Invalid direction (neither \"r\" nor \"w\")";
- case AL_BAD_OUT_OF_MEM: return "Not enough memory";
- case AL_BAD_DEVICE_ACCESS: return "Audio hardware is not available or is improperly configured";
- case AL_BAD_DEVICE: return "Invalid device";
- case AL_BAD_NO_PORTS: return "No audio ports available";
- case AL_BAD_QSIZE: return "Invalid fifo size";
- case AL_BAD_SAMPFMT: return "Invalid sample format";
- case AL_BAD_FLOATMAX: return "Invalid float maximum";
- case AL_BAD_WIDTH: return "Invalid sample width";
- default: return "Unknown error";
- }
-}
-
-int sgi_open_audio(int nindev, int *indev, int nchin, int *chin,
-int noutdev, int *outdev, int nchout, int *chout, int rate/*, int dummy*/) {
- ALpv pvbuf[2];
- int num_devs = 0;
- int in_dev = 0;
- int out_dev = 0;
- int inchans = 0;
- int outchans = 0;
- int err, n, gotchannels;
- char *indevnames[4] = {"DefaultIn", "AnalogIn", "AESIn", "ADATIn"};
- char *outdevnames[4] = {"DefaultOut", "AnalogOut", "AESOut", "ADATOut"};
- sgi_flush_all_underflows_to_zero();
- if (sys_verbose) post("opening sound input...");
- for (n = 0; n < nindev; n++) {
- int gotchannels = 0;
- if (indev[n] >= 0 && indev[n] < SGI_MAXDEV) {
- if (sys_verbose) post("opening %s", indevnames[indev[n]]);
- in_dev = alGetResourceByName(AL_SYSTEM, indevnames[indev[n]], AL_DEVICE_TYPE);
- } else {
- if(sys_verbose)post("opening %s", indevnames[0]);
- in_dev = AL_DEFAULT_INPUT;
- }
- if (!in_dev) {
- error("%s", sgi_get_error_message(in_dev));
- continue; /* try next device, if any */
- }
- sgi_inconfig = alNewConfig();
- alSetSampFmt(sgi_inconfig, AL_SAMPFMT_FLOAT);
- alSetFloatMax(sgi_outconfig, 1.1f);
- alSetChannels(sgi_outconfig, chin[n]);
- alSetQueueSize(sgi_inconfig, sys_advance_samples * chin[n]);
- alSetDevice(sgi_inconfig, in_dev);
- sgi_iport[n] = alOpenPort("Pd input port", "r", sgi_inconfig);
- if (!sgi_iport[n]) error("failed to open audio read port");
- /* try to set samplerate */
- pvbuf[0].param = AL_RATE;
- pvbuf[0].value.ll = alDoubleToFixed(rate);
- if ((err = alSetParams(in_dev, pvbuf, 1)) < 0) {
- post("could not set specified sample rate for input (%s)", sgi_get_error_message(err));
- if(pvbuf[0].sizeOut < 0) post("rate was invalid");
- }
- /* check how many channels we actually got */
- pvbuf[0].param = AL_CHANNELS;
- if (alGetParams(in_dev, pvbuf, 1) < 0) {
- post("could not figure out how many input channels we got");
- gotchannels = chin[n]; /* assume we got them all */
- } else {
- gotchannels = pvbuf[0].value.i;
- }
- inchans += gotchannels; /* count total number of channels */
- sgi_ninchans[n] = gotchannels; /* remember channels for this device */
- }
- if (sys_verbose) post("opening sound output...");
- for (n = 0; n < noutdev; n++) {
- if (outdev[n] >= 0 && outdev[n] < SGI_MAXDEV) {
- if(sys_verbose)post("opening %s", outdevnames[outdev[n]]);
- out_dev = alGetResourceByName(AL_SYSTEM, outdevnames[outdev[n]], AL_DEVICE_TYPE);
- } else {
- if (sys_verbose) post("opening %s", outdevnames[0]);
- out_dev = AL_DEFAULT_OUTPUT;
- }
- if (!out_dev) {
- error("%s", sgi_get_error_message(out_dev));
- continue; /* try next device, if any */
- }
- /* configure the port before opening it */
- sgi_outconfig = alNewConfig();
- alSetSampFmt(sgi_outconfig, AL_SAMPFMT_FLOAT);
- alSetFloatMax(sgi_outconfig, 1.1f);
- alSetChannels(sgi_outconfig, chout[n]);
- alSetQueueSize(sgi_outconfig, sys_advance_samples * chout[n]);
- alSetDevice(sgi_outconfig, out_dev);
- /* open the port */
- sgi_oport[n] = alOpenPort("Pd ouput port", "w", sgi_outconfig);
- if (!sgi_oport[n]) error("failed to open audio write port");
- /* now try to set sample rate */
- pvbuf[0].param = AL_RATE;
- pvbuf[0].value.ll = alDoubleToFixed(rate);
- if ((err = alSetParams(out_dev, pvbuf, 1)) < 0) {
- post("could not set specified sample rate for output (%s)", sgi_get_error_message(err));
- if(pvbuf[0].sizeOut < 0) post("rate was invalid");
- }
- /* check how many channels we actually got */
- pvbuf[0].param = AL_CHANNELS;
- if (alGetParams(out_dev, pvbuf, 1) < 0) {
- post("could not figure out how many output channels we got");
- gotchannels = chout[n];
- } else {
- gotchannels = pvbuf[0].value.i;
- }
- outchans += gotchannels;
- sgi_noutchans[n] = gotchannels;
- }
- sgi_noutdevs = noutdev;
- sgi_nindevs = nindev;
- sgi_inchannels = inchans;
- sgi_outchannels = outchans;
- return !(inchans || outchans);
-}
-
-void sgi_close_audio() {
- int err, n;
- for (n = 0; n < sgi_nindevs; n++) {
- if (sgi_iport[n]) {
- err = alClosePort(sgi_iport[n]);
- if (err < 0) error("closing input %d: %s (%d)", n + 1, alGetErrorString(oserror()), err);
- }
- }
- for (n = 0; n < sgi_noutdevs; n++) {
- if (sgi_oport[n]) {
- err = alClosePort(sgi_oport[n]);
- if (err < 0) error("closing output %d: %s (%d)", n + 1, alGetErrorString(oserror()), err);
- }
- }
-}
-
-/* call this only if both input and output are open */
-static void sgi_checkiosync() {
-// int i, result, checkit = 1, giveup = 1000, alreadylogged = 0;
-// long indelay, outdelay, defect;
-// if (!(sgi_outchannels && sgi_inchannels)) return;
-}
-
-int sgi_send_dacs() {
- float buf[SGI_MAXCH * sys_dacblocksize], *fp1, *fp2, *fp3, *fp4;
- static int xferno = 0;
- static int callno = 0;
- static double timenow;
- double timelast;
- int inchannels = min(sys_inchannels, sgi_inchannels);
- int outchannels = min(sys_outchannels,sgi_outchannels);
- long outfill[SGI_MAXDEV], infill[SGI_MAXDEV];
- int outdevchannels, indevchannels;
- int i, n, channel;
- int result;
- unsigned int outtransfersize = sys_dacblocksize;
- unsigned int intransfersize = sys_dacblocksize;
- /* no audio channels open, return */
- if (!inchannels && !outchannels) return SENDDACS_NO;
- timelast = timenow;
- timenow = sys_getrealtime();
-#ifdef DEBUG_SGI_XFER
- if (timenow - timelast > 0.050) post("(%d)", (int)(1000 * (timenow - timelast)));
-#endif
- callno++;
- sgi_checkiosync(); /* check I/O are in sync and data not late */
- /* check whether there is enough space in buffers */
- if (sgi_nindevs) {
- for (n = 0; n < sgi_nindevs; n++) {
- if (alGetFilled(sgi_iport[n]) < intransfersize)
- return SENDDACS_NO;
- }
- }
- if (sgi_noutdevs) {
- for(n = 0; n < sgi_noutdevs; n++) {
- if (alGetFillable(sgi_oport[n]) < outtransfersize)
- return SENDDACS_NO;
- }
- }
- /* output audio data, if we use audio out */
- if (sgi_noutdevs) {
- fp2 = sys_soundout; /* point to current output position in buffer */
- for(n = 0; n < sgi_noutdevs; n++) {
- outdevchannels = sgi_noutchans[n]; /* channels supported by this device */
- for (channel = 0, fp1 = buf; channel < outdevchannels; channel++, fp1++, fp2 += sys_dacblocksize) {
- for (i = 0, fp3 = fp1, fp4 = fp2; i < sys_dacblocksize; i++, fp3 += outdevchannels, fp4++) *fp3 = *fp4, *fp4 = 0;
- }
- alWriteFrames(sgi_oport[n], buf, sys_dacblocksize);
- }
- }
- /* zero out the output buffer */
- memset(sys_soundout, 0, sys_dacblocksize * sizeof(*sys_soundout) * sys_outchannels);
- if (sys_getrealtime() - timenow > 0.002) {
- #ifdef DEBUG_SGI_XFER
- post("output %d took %d msec", callno, (int)(1000 * (timenow - timelast)));
- #endif
- timenow = sys_getrealtime();
- sys_log_error(ERR_DACSLEPT);
- }
- /* get audio data from input, if we use audio in */
- if (sgi_nindevs) {
- fp2 = sys_soundin; /* point to current input position in buffer */
- for (n = 0; n < sgi_nindevs; n++) {
- indevchannels = sgi_ninchans[n]; /* channels supported by this device */
- if (alGetFilled(sgi_iport[n]) > sys_dacblocksize) {
- alReadFrames(sgi_iport[n], buf, sys_dacblocksize);
- } else /* have to read but nothing's there... */ {
- // if (sys_verbose) post("extra ADC buf");
- /* set buffer to silence */
- memset(buf, 0, intransfersize * sizeof(*sys_soundout) * sgi_ninchans[n]);
- }
- for (channel = 0, fp1 = buf; channel < indevchannels; channel++, fp1++, fp2 += sys_dacblocksize) {
- for (i = 0, fp3 = fp1, fp4 = fp2; i < sys_dacblocksize; i++, fp3 += indevchannels, fp4++) *fp4 = *fp3;
- }
- }
- }
- xferno++;
- if (sys_getrealtime() - timenow > 0.002) {
-#ifdef DEBUG_SGI_XFER
- post("routine took %d msec", int(1000 * (sys_getrealtime() - timenow)));
-#endif
- sys_log_error(ERR_ADCSLEPT);
- }
- return SENDDACS_YES;
-}
-
-void sgi_getdevs(char *indevlist, int *nindevs, char *outdevlist, int *noutdevs, int *canmulti, int maxndev, int devdescsize) {
-#if 0
- ALpv pvs[1];
- char name[32];
- int i, ndev, err;
- *canmulti = 3; /* supports multiple devices */
- /* get max. number of audio ports from system */
- pvs[0].param = AL_DEVICES;
- err = alGetParams(AL_SYSTEM, pvs, 1);
- if (err < 0) {
- sprintf("alGetParams failed: %s\n", alGetErrorString(oserror()));
- }
- ndev = pvs[0].value.i;
- for (i = 0; i < ndev; i++) {
- pvs[0].param = AL_NAME; /* a string parameter */
- pvs[0].value.ptr = name; /* the string we've allocated */
- pvs[0].sizeIn = 32; /* the array size, in characters, including space for NULL */
- if (alGetParams(i, pvs, 1) < 0) {
- sprintf("alGetParams failed: %s\n", alGetErrorString(oserror()));
- }
- sprintf(indevlist + i * devdescsize, "%d: %s", i + 1, name);
- sprintf(outdevlist + i * devdescsize, "%d: %s", i + 1, name);
- }
- *nindevs = ndev;
- *noutdevs = ndev;
-#else
- sprintf( indevlist + 0 * devdescsize, "Default In");
- sprintf(outdevlist + 0 * devdescsize, "Default Out");
- sprintf( indevlist + 1 * devdescsize, "Analog In");
- sprintf(outdevlist + 1 * devdescsize, "Analog Out");
- sprintf( indevlist + 2 * devdescsize, "AES In");
- sprintf(outdevlist + 2 * devdescsize, "AES Out");
- sprintf( indevlist + 3 * devdescsize, "ADAT In");
- sprintf(outdevlist + 3 * devdescsize, "ADAT Out");
- *nindevs = 4;
- *noutdevs = 4;
- *canmulti = 3; /* supports multiple devices */
-#endif
-}
-
-/* list devices: only reflect the most common setup (Octane) */
-void sgi_listaudiodevs() {
- post("common devices on SGI machines:");
- post("#-1 - Default In/Out selected in Audio Panel");
- post("#1 - Analog In/Out");
- post("#2 - AES In/Out");
- post("#3 - ADAT I/O");
-}
-
-struct t_audioapi sgi_api = {
- sgi_open_audio,
- sgi_close_audio,
- sgi_send_dacs,
- sgi_getdevs,
-};
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