Blame hdspconf/src/HC_SpdifIn.cxx

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/*
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 *   HDSPConf
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 *    
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 *   Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)
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 *    
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation; either version 2 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program; if not, write to the Free Software
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 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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#pragma implementation
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#include "HC_SpdifIn.h"
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void spdif_in_cb(Fl_Widget *w, void *arg)
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{
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    int err;
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    char card_name[6];
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    snd_ctl_elem_value_t *ctl;
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    snd_ctl_elem_id_t *id;
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    snd_ctl_t *handle;
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    int in = 0;
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    Fl_Round_Button *source = (Fl_Round_Button *)w;
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    HC_SpdifIn *si = (HC_SpdifIn *)arg;
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    HC_CardPane *pane = (HC_CardPane *)si->parent();
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    if (source == si->adat1) {
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	in = 0;
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    } else if (source == si->coaxial) {
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	in = 1;
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    } else if (source == si->internal) {
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	in = 2;
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    } else if (source == si->aes) {
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	in = 3;
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    }
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    snprintf(card_name, 6, "hw:%i", pane->alsa_index);
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    snd_ctl_elem_value_alloca(&ctl);
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    snd_ctl_elem_id_alloca(&id);
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    snd_ctl_elem_id_set_name(id, "IEC958 Input Connector");
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    snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
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    snd_ctl_elem_id_set_index(id, 0);
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    snd_ctl_elem_value_set_id(ctl, id);
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    snd_ctl_elem_value_set_enumerated(ctl, 0, in);
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    if ((err = snd_ctl_open(&handle, card_name, SND_CTL_NONBLOCK)) < 0) {
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	fprintf(stderr, "Error opening ctl interface on card %s\n", card_name);
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	return;
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    }
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    if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {
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	snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_PCM);
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	snd_ctl_elem_value_set_id(ctl, id);
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	if ((err = snd_ctl_elem_write(handle, ctl)) < 0) {
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	    fprintf(stderr, "Error accessing ctl interface on card %s\n", card_name);
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	    snd_ctl_close(handle);
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	    return;
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	}
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    }
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    snd_ctl_close(handle);
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}
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HC_SpdifIn::HC_SpdifIn(int x, int y, int w, int h):Fl_Group(x, y, w, h, "SPDIF In")
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{
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	int i = 0;
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	box(FL_ENGRAVED_FRAME);;
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	label("SPDIF In");
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	labelsize(10);
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	align(FL_ALIGN_TOP|FL_ALIGN_LEFT);
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	adat1 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "Optical");
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	coaxial = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "Coaxial");
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	internal = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "Internal");
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	if (((HC_CardPane *)parent())->type == H9632) {
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	    aes = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "AES");
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	    aes->labelsize(10);
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	    aes->type(FL_RADIO_BUTTON);
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	    aes->callback(spdif_in_cb, (void *)this);
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	}
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	adat1->labelsize(10);
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	adat1->type(FL_RADIO_BUTTON);
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	adat1->callback(spdif_in_cb, (void *)this);
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	coaxial->labelsize(10);
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	coaxial->type(FL_RADIO_BUTTON);
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	coaxial->callback(spdif_in_cb, (void *)this);
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	internal->labelsize(10);
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	internal->type(FL_RADIO_BUTTON);
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	internal->callback(spdif_in_cb, (void *)this);
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	end();	
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}
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void HC_SpdifIn::setInput(unsigned char i)
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{
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	if (i < children()) {
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	    if (((Fl_Round_Button *)child(i))->value() != 1)
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		((Fl_Round_Button *)child(i))->setonly();
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	}
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}
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