/*

 *   HDSPConf

 *

 *   Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)

 *

 *   This program is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation; either version 2 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program; if not, write to the Free Software

 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#pragma implementation

#include "HC_ClockSource.h"

extern const char *freqs[10];

void clock_source_cb(Fl_Widget *w, void *arg)

{

	int err;

	char card_name[6];

	snd_ctl_elem_value_t *ctl;

	snd_ctl_elem_id_t *id;

	snd_ctl_t *handle;

	int src = 0;

	HC_ClockSource *cs = (HC_ClockSource *)arg;

	HC_CardPane *pane = (HC_CardPane *)(cs->parent());

	Fl_Round_Button *source = (Fl_Round_Button *)w;

	if (source == cs->autosync) {

		src = 0;

	} else if (source == cs->khz32) {

		src = 1;

	} else if (source == cs->khz44_1) {

		src = 2;

	} else if (source == cs->khz48) {

		src = 3;

	} else if (source == cs->khz64) {

		src = 4;

	} else if (source == cs->khz88_2) {

		src = 5;

	} else if (source == cs->khz96) {

		src = 6;

	} else if (source == cs->khz128) {

		src = 7;

	} else if (source == cs->khz176_4) {

		src = 8;

	} else if (source == cs->khz192) {

		src = 9;

	}

	snprintf(card_name, 6, "hw:%i", pane->alsa_index);

	snd_ctl_elem_value_alloca(&ctl;;

	snd_ctl_elem_id_alloca(&id;;

	snd_ctl_elem_id_set_name(id, "Sample Clock Source");

	snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);

	snd_ctl_elem_id_set_index(id, 0);

	snd_ctl_elem_value_set_id(ctl, id);

	snd_ctl_elem_value_set_enumerated(ctl, 0, src);

	if ((err = snd_ctl_open(&handle, card_name, SND_CTL_NONBLOCK)) < 0) {

		fprintf(stderr, "Error opening ctl interface on card %s\n", card_name);

		return;

	}

	if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {

		snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_PCM);

		snd_ctl_elem_value_set_id(ctl, id);

		if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {

			fprintf(stderr, "Error accessing ctl interface on card %s\n", card_name);

			snd_ctl_close(handle);

			return;

		}

	}

	snd_ctl_close(handle);

}

HC_ClockSource::HC_ClockSource(int x, int y, int w, int h):Fl_Group(x, y, w, h, "Sample Clock Source")

{

	int i = 0;

	box(FL_ENGRAVED_FRAME);

	label("Sample Clock Source");

	labelsize(10);

	align(FL_ALIGN_TOP|FL_ALIGN_LEFT);

	autosync = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "AutoSync");

	autosync->callback(clock_source_cb, (void *)this);

	khz32 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[0]);

	khz32->callback(clock_source_cb, (void *)this);

	khz44_1 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[1]);

	khz44_1->callback(clock_source_cb, (void *)this);

	khz48 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[2]);

	khz48->callback(clock_source_cb, (void *)this);

	khz64 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[3]);

	khz64->callback(clock_source_cb, (void *)this);

	khz88_2 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[4]);

	khz88_2->callback(clock_source_cb, (void *)this);

	khz96 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[5]);

	khz96->callback(clock_source_cb, (void *)this);

	if (((HC_CardPane *)parent())->type == H9632) {

	    khz128 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[7]);

	    khz128->callback(clock_source_cb, (void *)this);

	    khz128->labelsize(10);

	    khz128->type(FL_RADIO_BUTTON);

	    khz176_4 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[8]);

	    khz176_4->callback(clock_source_cb, (void *)this);

	    khz176_4->labelsize(10);

	    khz176_4->type(FL_RADIO_BUTTON);

	    khz192 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, freqs[9]);

	    khz192->callback(clock_source_cb, (void *)this);

	    khz192->labelsize(10);

	    khz192->type(FL_RADIO_BUTTON);

	}

	autosync->labelsize(10);

	autosync->type(FL_RADIO_BUTTON);

	khz32->labelsize(10);

	khz32->type(FL_RADIO_BUTTON);

	khz44_1->labelsize(10);

	khz44_1->type(FL_RADIO_BUTTON);

	khz48->labelsize(10);

	khz48->type(FL_RADIO_BUTTON);

	khz64->labelsize(10);

	khz64->type(FL_RADIO_BUTTON);

	khz88_2->labelsize(10);

	khz88_2->type(FL_RADIO_BUTTON);

	khz96->labelsize(10);

	khz96->type(FL_RADIO_BUTTON);

	end();

}

void HC_ClockSource::setSource(unsigned char s)

{

    if (s < children()) {

	if (((Fl_Round_Button *)child(s))->value() != 1)

	    ((Fl_Round_Button *)child(s))->setonly();

    }

}