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#include <u.h>
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#include <libc.h>
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#include <thread.h>
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#include "usb.h"
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#include "audio.h"
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#include "audioctl.h"
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int endpt[2] = {-1, -1};
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int interface[2] = {-1, -1};
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int featureid[2] = {-1, -1};
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int selectorid[2] = {-1, -1};
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int mixerid[2] = {-1, -1};
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int curalt[2] = {-1, -1};
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int buttonendpt = -1;
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int id;
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Dev *ad;
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Audiocontrol controls[2][Ncontrol] = {
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{
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[Speed_control] = { "speed", 0, {0}, 0, 44100, Undef},
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[Mute_control] = { "mute", 0, {0}, 0, 0, Undef},
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[Volume_control] = { "volume", 0, {0}, 0, 0, Undef},
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[Bass_control] = { "bass", 0, {0}, 0, 0, Undef},
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[Mid_control] = { "mid", 0, {0}, 0, 0, Undef},
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[Treble_control] = { "treble", 0, {0}, 0, 0, Undef},
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[Equalizer_control] = { "equalizer", 0, {0}, 0, 0, Undef},
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[Agc_control] = { "agc", 0, {0}, 0, 0, Undef},
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[Delay_control] = { "delay", 0, {0}, 0, 0, Undef},
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[Bassboost_control] = { "bassboost", 0, {0}, 0, 0, Undef},
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[Loudness_control] = { "loudness", 0, {0}, 0, 0, Undef},
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[Channel_control] = { "channels", 0, {0}, 0, 2, Undef},
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[Resolution_control] = { "resolution", 0, {0}, 0, 16, Undef},
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// [Selector_control] = { "selector", 0, {0}, 0, 0, Undef},
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}, {
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[Speed_control] = { "speed", 0, {0}, 0, 44100, Undef},
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[Mute_control] = { "mute", 0, {0}, 0, 0, Undef},
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[Volume_control] = { "volume", 0, {0}, 0, 0, Undef},
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[Bass_control] = { "bass", 0, {0}, 0, 0, Undef},
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[Mid_control] = { "mid", 0, {0}, 0, 0, Undef},
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[Treble_control] = { "treble", 0, {0}, 0, 0, Undef},
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[Equalizer_control] = { "equalizer", 0, {0}, 0, 0, Undef},
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[Agc_control] = { "agc", 0, {0}, 0, 0, Undef},
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[Delay_control] = { "delay", 0, {0}, 0, 0, Undef},
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[Bassboost_control] = { "bassboost", 0, {0}, 0, 0, Undef},
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[Loudness_control] = { "loudness", 0, {0}, 0, 0, Undef},
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[Channel_control] = { "channels", 0, {0}, 0, 2, Undef},
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[Resolution_control] = { "resolution", 0, {0}, 0, 16, Undef},
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// [Selector_control] = { "selector", 0, {0}, 0, 0, Undef},
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}
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};
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int
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setaudioalt(int rec, Audiocontrol *c, int control)
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{
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dprint(2, "setcontrol %s: Set alt %d\n", c->name, control);
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curalt[rec] = control;
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if(usbcmd(ad, Rh2d|Rstd|Riface, Rsetiface, control, interface[rec], nil, 0) < 0){
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dprint(2, "setcontrol: setupcmd %s failed\n", c->name);
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return -1;
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}
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return control;
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}
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int
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findalt(int rec, int nchan, int res, int speed)
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{
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Ep *ep;
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Audioalt *a;
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Altc *da;
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int i, j, k, retval;
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retval = -1;
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controls[rec][Channel_control].min = 1000000;
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controls[rec][Channel_control].max = 0;
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controls[rec][Channel_control].step = Undef;
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controls[rec][Resolution_control].min = 1000000;
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controls[rec][Resolution_control].max = 0;
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controls[rec][Resolution_control].step = Undef;
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for(i = 0; i < nelem(ad->usb->ep); i++){
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if((ep = ad->usb->ep[i]) == nil)
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continue;
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if(ep->iface == nil){
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fprint(2, "\tno interface\n");
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return 0;
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}
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if(ep->iface->csp != CSP(Claudio, 2, 0))
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continue;
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if((rec == Play && (ep->addr & 0x80))
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|| (rec == Record && (ep->addr & 0x80) == 0))
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continue;
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for(j = 0; j < 16; j++){
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if((da = ep->iface->altc[j]) == nil || (a = da->aux) == nil)
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continue;
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if(a->nchan < controls[rec][Channel_control].min)
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controls[rec][Channel_control].min = a->nchan;
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if(a->nchan > controls[rec][Channel_control].max)
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controls[rec][Channel_control].max = a->nchan;
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if(a->res < controls[rec][Resolution_control].min)
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controls[rec][Resolution_control].min = a->res;
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if(a->res > controls[rec][Resolution_control].max)
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controls[rec][Resolution_control].max = a->res;
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controls[rec][Channel_control].settable = 1;
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controls[rec][Channel_control].readable = 1;
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controls[rec][Resolution_control].settable = 1;
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controls[rec][Resolution_control].readable = 1;
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controls[rec][Speed_control].settable = 1;
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controls[rec][Speed_control].readable = 1;
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if(a->nchan == nchan && a->res == res){
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if(speed == Undef)
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retval = j;
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else if(a->caps & (has_discfreq|onefreq)){
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for(k = 0; k < nelem(a->freqs); k++){
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if(a->freqs[k] == speed){
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retval = j;
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break;
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}
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}
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}else{
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if(speed >= a->minfreq && speed <= a->maxfreq)
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retval = j;
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}
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}
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}
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}
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if(usbdebug && retval < 0)
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fprint(2, "findalt(%d, %d, %d, %d) failed\n", rec, nchan, res, speed);
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return retval;
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}
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int
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setspeed(int rec, int speed)
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{
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int ps, n, no, dist, i;
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Audioalt *a;
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Altc *da;
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Ep *ep;
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uchar buf[3];
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if(rec == Record && !setrec)
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return Undef;
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if(curalt[rec] < 0){
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fprint(2, "Must set channels and resolution before speed\n");
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return Undef;
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}
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if(endpt[rec] < 0)
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sysfatal("endpt[%s] not set", rec?"Record":"Playback");
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ep = ad->usb->ep[endpt[rec]];
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if(ep->iface == nil)
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sysfatal("no interface");
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if(curalt[rec] < 0)
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sysfatal("curalt[%s] not set", rec?"Record":"Playback");
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da = ep->iface->altc[curalt[rec]];
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a = da->aux;
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if(a->caps & onefreq){
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dprint(2, "setspeed %d: onefreq\n", speed);
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/* speed not settable, but packet size must still be set */
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speed = a->freqs[0];
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}else if(a->caps & has_contfreq){
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dprint(2, "setspeed %d: contfreq\n", speed);
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if(speed < a->minfreq)
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speed = a->minfreq;
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else if(speed > a->maxfreq)
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speed = a->maxfreq;
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dprint(2, "Setting continuously variable %s speed to %d\n",
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rec?"record":"playback", speed);
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}else if(a->caps & has_discfreq){
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dprint(2, "setspeed %d: discfreq\n", speed);
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dist = 1000000;
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no = -1;
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for(i = 0; a->freqs[i] > 0; i++)
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if(abs(a->freqs[i] - speed) < dist){
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dist = abs(a->freqs[i] - speed);
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no = i;
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}
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if(no == -1){
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dprint(2, "no = -1\n");
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return Undef;
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}
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speed = a->freqs[no];
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dprint(2, "Setting discreetly variable %s speed to %d\n",
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rec?"record":"playback", speed);
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}else{
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dprint(2, "can't happen\n?");
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return Undef;
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}
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if(a->caps & has_setspeed){
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dprint(2, "Setting %s speed to %d Hz;", rec?"record":"playback", speed);
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buf[0] = speed;
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buf[1] = speed >> 8;
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buf[2] = speed >> 16;
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n = endpt[rec];
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if(rec)
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n |= 0x80;
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if(usbcmd(ad, Rh2d|Rclass|Rep, Rsetcur, sampling_freq_control<<8, n, buf, 3) < 0){
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fprint(2, "Error in setupcmd\n");
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return Undef;
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}
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if((n=usbcmd(ad, Rd2h|Rclass|Rep, Rgetcur, sampling_freq_control<<8, n, buf, 3)) < 0){
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fprint(2, "Error in setupreq\n");
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return Undef;
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}
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203 |
if(n != 3)
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fprint(2, "Error in setupreply: %d\n", n);
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else{
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n = buf[0] | buf[1] << 8 | buf[2] << 16;
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207 |
if(buf[2] || n == 0){
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208 |
dprint(2, "Speed out of bounds %d (0x%x)\n", n, n);
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}else if(n != speed && ad->usb->vid == 0x077d &&
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(ad->usb->did == 0x0223 || ad->usb->did == 0x07af)){
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211 |
/* Griffin iMic responds incorrectly to sample rate inquiry */
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dprint(2, " reported as %d (iMic bug?);", n);
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}else
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speed = n;
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215 |
}
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216 |
dprint(2, " speed now %d Hz;", speed);
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}
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218 |
ps = ((speed * da->interval + 999) / 1000)
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219 |
* controls[rec][Channel_control].value[0]
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220 |
* controls[rec][Resolution_control].value[0]/8;
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221 |
if(ps > ep->maxpkt){
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222 |
fprint(2, "%s: setspeed(rec %d, speed %d): packet size %d > "
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"maximum packet size %d\n",
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224 |
argv0, rec, speed, ps, ep->maxpkt);
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225 |
return Undef;
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226 |
}
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227 |
dprint(2, "Configuring %s endpoint for %d Hz\n",
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228 |
rec?"record":"playback", speed);
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229 |
epdev[rec] = openep(ad, endpt[rec]);
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230 |
if(epdev[rec] == nil)
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231 |
sysfatal("openep rec %d: %r", rec);
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232 |
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233 |
devctl(epdev[rec], "pollival %d", da->interval);
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234 |
devctl(epdev[rec], "samplesz %ld", controls[rec][Channel_control].value[0] *
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235 |
controls[rec][Resolution_control].value[0]/8);
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236 |
devctl(epdev[rec], "hz %d", speed);
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237 |
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238 |
/* NO: the client uses the endpoint file directly
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239 |
if(opendevdata(epdev[rec], rec ? OREAD : OWRITE) < 0)
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240 |
sysfatal("openep rec %d: %r", rec);
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241 |
*/
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242 |
return speed;
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243 |
}
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244 |
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245 |
long
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246 |
getspeed(int rec, int which)
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247 |
{
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248 |
int i, n;
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249 |
Audioalt *a;
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250 |
Altc *da;
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251 |
Ep *ep;
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252 |
uchar buf[3];
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253 |
int r;
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254 |
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255 |
if(curalt[rec] < 0){
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256 |
fprint(2, "Must set channels and resolution before getspeed\n");
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257 |
return Undef;
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258 |
}
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259 |
if(endpt[rec] < 0)
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260 |
sysfatal("endpt[%s] not set", rec?"Record":"Playback");
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261 |
dprint(2, "getspeed: endpt[%d] == %d\n", rec, endpt[rec]);
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262 |
ep = ad->usb->ep[endpt[rec]];
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263 |
if(ep->iface == nil)
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264 |
sysfatal("no interface");
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265 |
if(curalt[rec] < 0)
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266 |
sysfatal("curalt[%s] not set", rec?"Record":"Playback");
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267 |
da = ep->iface->altc[curalt[rec]];
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268 |
a = da->aux;
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269 |
if(a->caps & onefreq){
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270 |
dprint(2, "getspeed: onefreq\n");
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271 |
if(which == Rgetres)
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272 |
return Undef;
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273 |
return a->freqs[0]; /* speed not settable */
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274 |
}
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275 |
if(a->caps & has_setspeed){
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276 |
dprint(2, "getspeed: has_setspeed, ask\n");
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277 |
n = endpt[rec];
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278 |
if(rec)
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279 |
n |= 0x80;
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280 |
r = Rd2h|Rclass|Rep;
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281 |
if(usbcmd(ad,r,which,sampling_freq_control<<8, n, buf, 3) < 0)
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282 |
return Undef;
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283 |
if(n == 3){
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284 |
if(buf[2]){
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285 |
dprint(2, "Speed out of bounds\n");
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286 |
if((a->caps & has_discfreq) && (buf[0] | buf[1] << 8) < 8)
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287 |
return a->freqs[buf[0] | buf[1] << 8];
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288 |
}
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289 |
return buf[0] | buf[1] << 8 | buf[2] << 16;
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290 |
}
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291 |
dprint(2, "getspeed: n = %d\n", n);
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292 |
}
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293 |
if(a->caps & has_contfreq){
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294 |
dprint(2, "getspeed: has_contfreq\n");
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295 |
if(which == Rgetcur)
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296 |
return controls[rec][Speed_control].value[0];
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297 |
if(which == Rgetmin)
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298 |
return a->minfreq;
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299 |
if(which == Rgetmax)
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300 |
return a->maxfreq;
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301 |
if(which == Rgetres)
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302 |
return 1;
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303 |
}
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304 |
if(a->caps & has_discfreq){
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305 |
dprint(2, "getspeed: has_discfreq\n");
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306 |
if(which == Rgetcur)
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307 |
return controls[rec][Speed_control].value[0];
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308 |
if(which == Rgetmin)
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309 |
return a->freqs[0];
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310 |
for(i = 0; i < 8 && a->freqs[i] > 0; i++)
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311 |
;
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312 |
if(which == Rgetmax)
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313 |
return a->freqs[i-1];
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314 |
if(which == Rgetres)
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315 |
return Undef;
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316 |
}
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317 |
dprint(2, "can't happen\n?");
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318 |
return Undef;
|
|
|
319 |
}
|
|
|
320 |
|
|
|
321 |
int
|
|
|
322 |
setcontrol(int rec, char *name, long *value)
|
|
|
323 |
{
|
|
|
324 |
int i, ctl, m;
|
|
|
325 |
byte buf[3];
|
|
|
326 |
int type, req, control, index, count;
|
|
|
327 |
Audiocontrol *c;
|
|
|
328 |
|
|
|
329 |
c = nil;
|
|
|
330 |
for(ctl = 0; ctl < Ncontrol; ctl++){
|
|
|
331 |
c = &controls[rec][ctl];
|
|
|
332 |
if(strcmp(name, c->name) == 0)
|
|
|
333 |
break;
|
|
|
334 |
}
|
|
|
335 |
if(ctl == Ncontrol){
|
|
|
336 |
dprint(2, "setcontrol: control not found\n");
|
|
|
337 |
return -1;
|
|
|
338 |
}
|
|
|
339 |
if(c->settable == 0){
|
|
|
340 |
dprint(2, "setcontrol: control %d.%d not settable\n", rec, ctl);
|
|
|
341 |
if(c->chans){
|
|
|
342 |
for(i = 0; i < 8; i++)
|
|
|
343 |
if((c->chans & 1 << i) && c->value[i] != value[i])
|
|
|
344 |
return -1;
|
|
|
345 |
return 0;
|
|
|
346 |
}
|
|
|
347 |
if(c->value[0] != value[0])
|
|
|
348 |
return -1;
|
|
|
349 |
return 0;
|
|
|
350 |
}
|
|
|
351 |
if(c->chans){
|
|
|
352 |
value[0] = 0; // set to average
|
|
|
353 |
m = 0;
|
|
|
354 |
for(i = 1; i < 8; i++)
|
|
|
355 |
if(c->chans & 1 << i){
|
|
|
356 |
if(c->min != Undef && value[i] < c->min)
|
|
|
357 |
value[i] = c->min;
|
|
|
358 |
if(c->max != Undef && value[i] > c->max)
|
|
|
359 |
value[i] = c->max;
|
|
|
360 |
value[0] += value[i];
|
|
|
361 |
m++;
|
|
|
362 |
}else
|
|
|
363 |
value[i] = Undef;
|
|
|
364 |
if(m) value[0] /= m;
|
|
|
365 |
}else{
|
|
|
366 |
if(c->min != Undef && value[0] < c->min)
|
|
|
367 |
value[0] = c->min;
|
|
|
368 |
if(c->max != Undef && value[0] > c->max)
|
|
|
369 |
value[0] = c->max;
|
|
|
370 |
}
|
|
|
371 |
req = Rsetcur;
|
|
|
372 |
count = 1;
|
|
|
373 |
switch(ctl){
|
|
|
374 |
default:
|
|
|
375 |
dprint(2, "setcontrol: can't happen\n");
|
|
|
376 |
return -1;
|
|
|
377 |
case Speed_control:
|
|
|
378 |
if((rec != Record || setrec) && (value[0] = setspeed(rec, value[0])) < 0)
|
|
|
379 |
return -1;
|
|
|
380 |
c->value[0] = value[0];
|
|
|
381 |
return 0;
|
|
|
382 |
case Equalizer_control:
|
|
|
383 |
/* not implemented */
|
|
|
384 |
return -1;
|
|
|
385 |
case Resolution_control:
|
|
|
386 |
control = findalt(rec, controls[rec][Channel_control].value[0], value[0], defaultspeed[rec]);
|
|
|
387 |
if(control < 0 || setaudioalt(rec, c, control) < 0){
|
|
|
388 |
dprint(2, "setcontrol: can't find setting for %s\n", c->name);
|
|
|
389 |
return -1;
|
|
|
390 |
}
|
|
|
391 |
c->value[0] = value[0];
|
|
|
392 |
controls[rec][Speed_control].value[0] = defaultspeed[rec];
|
|
|
393 |
return 0;
|
|
|
394 |
case Volume_control:
|
|
|
395 |
case Delay_control:
|
|
|
396 |
count = 2;
|
|
|
397 |
/* fall through */
|
|
|
398 |
case Mute_control:
|
|
|
399 |
case Bass_control:
|
|
|
400 |
case Mid_control:
|
|
|
401 |
case Treble_control:
|
|
|
402 |
case Agc_control:
|
|
|
403 |
case Bassboost_control:
|
|
|
404 |
case Loudness_control:
|
|
|
405 |
type = Rh2d|Rclass|Riface;
|
|
|
406 |
control = ctl<<8;
|
|
|
407 |
index = featureid[rec]<<8;
|
|
|
408 |
break;
|
|
|
409 |
case Selector_control:
|
|
|
410 |
type = Rh2d|Rclass|Riface;
|
|
|
411 |
control = 0;
|
|
|
412 |
index = selectorid[rec]<<8;
|
|
|
413 |
break;
|
|
|
414 |
case Channel_control:
|
|
|
415 |
control = findalt(rec, value[0], controls[rec][Resolution_control].value[0], defaultspeed[rec]);
|
|
|
416 |
if(control < 0 || setaudioalt(rec, c, control) < 0){
|
|
|
417 |
dprint(2, "setcontrol: can't find setting for %s\n", c->name);
|
|
|
418 |
return -1;
|
|
|
419 |
}
|
|
|
420 |
c->value[0] = value[0];
|
|
|
421 |
controls[rec][Speed_control].value[0] = defaultspeed[rec];
|
|
|
422 |
return 0;
|
|
|
423 |
}
|
|
|
424 |
if(c->chans){
|
|
|
425 |
for(i = 1; i < 8; i++)
|
|
|
426 |
if(c->chans & 1 << i){
|
|
|
427 |
switch(count){
|
|
|
428 |
case 2:
|
|
|
429 |
buf[1] = value[i] >> 8;
|
|
|
430 |
case 1:
|
|
|
431 |
buf[0] = value[i];
|
|
|
432 |
}
|
|
|
433 |
if(usbcmd(ad, type, req, control | i, index, buf, count) < 0){
|
|
|
434 |
dprint(2, "setcontrol: setupcmd %s failed\n",
|
|
|
435 |
controls[rec][ctl].name);
|
|
|
436 |
return -1;
|
|
|
437 |
}
|
|
|
438 |
c->value[i] = value[i];
|
|
|
439 |
}
|
|
|
440 |
}else{
|
|
|
441 |
switch(count){
|
|
|
442 |
case 2:
|
|
|
443 |
buf[1] = value[0] >> 8;
|
|
|
444 |
case 1:
|
|
|
445 |
buf[0] = value[0];
|
|
|
446 |
}
|
|
|
447 |
if(usbcmd(ad, type, req, control, index, buf, count) < 0){
|
|
|
448 |
dprint(2, "setcontrol: setupcmd %s failed\n", c->name);
|
|
|
449 |
return -1;
|
|
|
450 |
}
|
|
|
451 |
}
|
|
|
452 |
c->value[0] = value[0];
|
|
|
453 |
return 0;
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
int
|
|
|
457 |
getspecialcontrol(int rec, int ctl, int req, long *value)
|
|
|
458 |
{
|
|
|
459 |
byte buf[3];
|
|
|
460 |
int m, n, i;
|
|
|
461 |
int type, control, index, count, signedbyte;
|
|
|
462 |
short svalue;
|
|
|
463 |
|
|
|
464 |
count = 1;
|
|
|
465 |
signedbyte = 0;
|
|
|
466 |
switch(ctl){
|
|
|
467 |
default:
|
|
|
468 |
return Undef;
|
|
|
469 |
case Speed_control:
|
|
|
470 |
value[0] = getspeed(rec, req);
|
|
|
471 |
return 0;
|
|
|
472 |
case Channel_control:
|
|
|
473 |
case Resolution_control:
|
|
|
474 |
if(req == Rgetmin)
|
|
|
475 |
value[0] = controls[rec][ctl].min;
|
|
|
476 |
if(req == Rgetmax)
|
|
|
477 |
value[0] = controls[rec][ctl].max;
|
|
|
478 |
if(req == Rgetres)
|
|
|
479 |
value[0] = controls[rec][ctl].step;
|
|
|
480 |
if(req == Rgetcur)
|
|
|
481 |
value[0] = controls[rec][ctl].value[0];
|
|
|
482 |
return 0;
|
|
|
483 |
case Volume_control:
|
|
|
484 |
case Delay_control:
|
|
|
485 |
count = 2;
|
|
|
486 |
/* fall through */
|
|
|
487 |
case Bass_control:
|
|
|
488 |
case Mid_control:
|
|
|
489 |
case Treble_control:
|
|
|
490 |
case Equalizer_control:
|
|
|
491 |
signedbyte = 1;
|
|
|
492 |
type = Rd2h|Rclass|Riface;
|
|
|
493 |
control = ctl<<8;
|
|
|
494 |
index = featureid[rec]<<8;
|
|
|
495 |
break;
|
|
|
496 |
case Selector_control:
|
|
|
497 |
type = Rd2h|Rclass|Riface;
|
|
|
498 |
control = 0;
|
|
|
499 |
index = selectorid[rec]<<8;
|
|
|
500 |
break;
|
|
|
501 |
case Mute_control:
|
|
|
502 |
case Agc_control:
|
|
|
503 |
case Bassboost_control:
|
|
|
504 |
case Loudness_control:
|
|
|
505 |
if(req != Rgetcur)
|
|
|
506 |
return Undef;
|
|
|
507 |
type = Rd2h|Rclass|Riface;
|
|
|
508 |
control = ctl<<8;
|
|
|
509 |
index = featureid[rec]<<8;
|
|
|
510 |
break;
|
|
|
511 |
}
|
|
|
512 |
if(controls[rec][ctl].chans){
|
|
|
513 |
m = 0;
|
|
|
514 |
value[0] = 0; // set to average
|
|
|
515 |
for(i = 1; i < 8; i++){
|
|
|
516 |
value[i] = Undef;
|
|
|
517 |
if(controls[rec][ctl].chans & 1 << i){
|
|
|
518 |
n=usbcmd(ad, type,req, control|i,index,buf,count);
|
|
|
519 |
if(n < 0)
|
|
|
520 |
return Undef;
|
|
|
521 |
if(n != count)
|
|
|
522 |
return -1;
|
|
|
523 |
switch (count){
|
|
|
524 |
case 2:
|
|
|
525 |
svalue = buf[1] << 8 | buf[0];
|
|
|
526 |
if(req == Rgetcur){
|
|
|
527 |
value[i] = svalue;
|
|
|
528 |
value[0] += svalue;
|
|
|
529 |
m++;
|
|
|
530 |
}else
|
|
|
531 |
value[0] = svalue;
|
|
|
532 |
break;
|
|
|
533 |
case 1:
|
|
|
534 |
svalue = buf[0];
|
|
|
535 |
if(signedbyte && (svalue&0x80))
|
|
|
536 |
svalue |= 0xFF00;
|
|
|
537 |
if(req == Rgetcur){
|
|
|
538 |
value[i] = svalue;
|
|
|
539 |
value[0] += svalue;
|
|
|
540 |
m++;
|
|
|
541 |
}else
|
|
|
542 |
value[0] = svalue;
|
|
|
543 |
}
|
|
|
544 |
}
|
|
|
545 |
}
|
|
|
546 |
if(m) value[0] /= m;
|
|
|
547 |
return 0;
|
|
|
548 |
}
|
|
|
549 |
value[0] = Undef;
|
|
|
550 |
if(usbcmd(ad, type, req, control, index, buf, count) != count)
|
|
|
551 |
return -1;
|
|
|
552 |
switch (count){
|
|
|
553 |
case 2:
|
|
|
554 |
svalue = buf[1] << 8 | buf[0];
|
|
|
555 |
value[0] = svalue;
|
|
|
556 |
break;
|
|
|
557 |
case 1:
|
|
|
558 |
svalue = buf[0];
|
|
|
559 |
if(signedbyte && (svalue&0x80))
|
|
|
560 |
svalue |= 0xFF00;
|
|
|
561 |
value[0] = svalue;
|
|
|
562 |
}
|
|
|
563 |
return 0;
|
|
|
564 |
}
|
|
|
565 |
|
|
|
566 |
int
|
|
|
567 |
getcontrol(int rec, char *name, long *value)
|
|
|
568 |
{
|
|
|
569 |
int i;
|
|
|
570 |
|
|
|
571 |
for(i = 0; i < Ncontrol; i++){
|
|
|
572 |
if(strcmp(name, controls[rec][i].name) == 0)
|
|
|
573 |
break;
|
|
|
574 |
}
|
|
|
575 |
if(i == Ncontrol)
|
|
|
576 |
return -1;
|
|
|
577 |
if(controls[rec][i].readable == 0)
|
|
|
578 |
return -1;
|
|
|
579 |
if(getspecialcontrol(rec, i, Rgetcur, value) < 0)
|
|
|
580 |
return -1;
|
|
|
581 |
memmove(controls[rec][i].value, value, sizeof controls[rec][i].value);
|
|
|
582 |
return 0;
|
|
|
583 |
}
|
|
|
584 |
|
|
|
585 |
void
|
|
|
586 |
getcontrols(void)
|
|
|
587 |
{
|
|
|
588 |
int rec, ctl, i;
|
|
|
589 |
Audiocontrol *c;
|
|
|
590 |
long v[8];
|
|
|
591 |
|
|
|
592 |
for(rec = 0; rec < 2; rec++){
|
|
|
593 |
if(rec == Record && !setrec)
|
|
|
594 |
continue;
|
|
|
595 |
for(ctl = 0; ctl < Ncontrol; ctl++){
|
|
|
596 |
c = &controls[rec][ctl];
|
|
|
597 |
if(c->readable){
|
|
|
598 |
if(verbose)
|
|
|
599 |
fprint(2, "%s %s control",
|
|
|
600 |
rec?"Record":"Playback", controls[rec][ctl].name);
|
|
|
601 |
c->min = (getspecialcontrol(rec, ctl, Rgetmin, v) < 0) ? Undef : v[0];
|
|
|
602 |
if(verbose && c->min != Undef)
|
|
|
603 |
fprint(2, ", min %ld", c->min);
|
|
|
604 |
c->max = (getspecialcontrol(rec, ctl, Rgetmax, v) < 0) ? Undef : v[0];
|
|
|
605 |
if(verbose && c->max != Undef)
|
|
|
606 |
fprint(2, ", max %ld", c->max);
|
|
|
607 |
c->step = (getspecialcontrol(rec, ctl, Rgetres, v) < 0) ? Undef : v[0];
|
|
|
608 |
if(verbose && c->step != Undef)
|
|
|
609 |
fprint(2, ", step %ld", c->step);
|
|
|
610 |
if(getspecialcontrol(rec, ctl, Rgetcur, c->value) == 0){
|
|
|
611 |
if(verbose){
|
|
|
612 |
if(c->chans){
|
|
|
613 |
fprint(2, ", values");
|
|
|
614 |
for(i = 1; i < 8; i++)
|
|
|
615 |
if(c->chans & 1 << i)
|
|
|
616 |
fprint(2, "[%d] %ld ", i, c->value[i]);
|
|
|
617 |
}else
|
|
|
618 |
fprint(2, ", value %ld", c->value[0]);
|
|
|
619 |
}
|
|
|
620 |
}
|
|
|
621 |
if(verbose)
|
|
|
622 |
fprint(2, "\n");
|
|
|
623 |
}else{
|
|
|
624 |
c->min = Undef;
|
|
|
625 |
c->max = Undef;
|
|
|
626 |
c->step = Undef;
|
|
|
627 |
c->value[0] = Undef;
|
|
|
628 |
dprint(2, "%s %s control not settable\n",
|
|
|
629 |
rec?"Playback":"Record", controls[rec][ctl].name);
|
|
|
630 |
}
|
|
|
631 |
}
|
|
|
632 |
}
|
|
|
633 |
}
|
|
|
634 |
|
|
|
635 |
int
|
|
|
636 |
ctlparse(char *s, Audiocontrol *c, long *v)
|
|
|
637 |
{
|
|
|
638 |
int i, j, nf, m;
|
|
|
639 |
char *vals[9];
|
|
|
640 |
char *p;
|
|
|
641 |
long val;
|
|
|
642 |
|
|
|
643 |
nf = tokenize(s, vals, nelem(vals));
|
|
|
644 |
if(nf <= 0)
|
|
|
645 |
return -1;
|
|
|
646 |
if(c->chans){
|
|
|
647 |
j = 0;
|
|
|
648 |
m = 0;
|
|
|
649 |
SET(val);
|
|
|
650 |
v[0] = 0; // will compute average of v[i]
|
|
|
651 |
for(i = 1; i < 8; i++)
|
|
|
652 |
if(c->chans & 1 << i){
|
|
|
653 |
if(j < nf){
|
|
|
654 |
val = strtol(vals[j], &p, 0);
|
|
|
655 |
if(val == 0 && *p != '\0' && *p != '%')
|
|
|
656 |
return -1;
|
|
|
657 |
if(*p == '%' && c->min != Undef)
|
|
|
658 |
val = (val*c->max + (100-val)*c->min)/100;
|
|
|
659 |
j++;
|
|
|
660 |
}
|
|
|
661 |
v[i] = val;
|
|
|
662 |
v[0] += val;
|
|
|
663 |
m++;
|
|
|
664 |
}else
|
|
|
665 |
v[i] = Undef;
|
|
|
666 |
if(m) v[0] /= m;
|
|
|
667 |
}else{
|
|
|
668 |
val = strtol(vals[0], &p, 0);
|
|
|
669 |
if(*p == '%' && c->min != Undef)
|
|
|
670 |
val = (val*c->max + (100-val)*c->min)/100;
|
|
|
671 |
v[0] = val;
|
|
|
672 |
}
|
|
|
673 |
return 0;
|
|
|
674 |
}
|
|
|
675 |
|
|
|
676 |
int
|
|
|
677 |
Aconv(Fmt *fp)
|
|
|
678 |
{
|
|
|
679 |
char str[256];
|
|
|
680 |
Audiocontrol *c;
|
|
|
681 |
int fst, i;
|
|
|
682 |
char *p;
|
|
|
683 |
|
|
|
684 |
c = va_arg(fp->args, Audiocontrol*);
|
|
|
685 |
p = str;
|
|
|
686 |
if(c->chans){
|
|
|
687 |
fst = 1;
|
|
|
688 |
for(i = 1; i < 8; i++)
|
|
|
689 |
if(c->chans & 1 << i){
|
|
|
690 |
p = seprint(p, str+sizeof str, "%s%ld", fst?"'":" ", c->value[i]);
|
|
|
691 |
fst = 0;
|
|
|
692 |
}
|
|
|
693 |
seprint(p, str+sizeof str, "'");
|
|
|
694 |
}else
|
|
|
695 |
seprint(p, str+sizeof str, "%ld", c->value[0]);
|
|
|
696 |
return fmtstrcpy(fp, str);
|
|
|
697 |
}
|