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HC_PrefSyncRef.cxx

/*
 *   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_PrefSyncRef.h"

void pref_sync_ref_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 ref = 0;
    HC_PrefSyncRef *psr = (HC_PrefSyncRef *)arg;
    HC_CardPane *pane = (HC_CardPane *)(psr->parent());
    Fl_Round_Button *source = (Fl_Round_Button *)w;
    if (source == psr->word_clock) {
      ref = 0;
    } else if (source == psr->spdif) {
      ref = 1;
    } else if (source == psr->adat1) {
      ref = 2;
    } else if (source == psr->adat_sync) {
      ref = 3;
    } else if (source == psr->adat2) {
      ref = 4;
    } else if (source == psr->adat3) {
      ref = 5;
    }
    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, "Preferred Sync Reference");
    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, ref);
    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_HWDEP);
      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_PrefSyncRef::HC_PrefSyncRef(int x, int y, int w, int h):Fl_Group(x, y, w, h, "Pref. Sync Ref")
{
      int i = 0;
      if (((HC_CardPane *)parent())->type == Multiface || ((HC_CardPane *)parent())->type == H9632) {
          adat_name = "ADAT In";
      } else {
          adat_name = "ADAT1 In";
      }
      box(FL_ENGRAVED_FRAME);;
      label("Pref. Sync Ref");
      labelsize(10);
      align(FL_ALIGN_TOP|FL_ALIGN_LEFT);
      word_clock = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "Word Clock");
      word_clock->callback(pref_sync_ref_cb, (void *)this);
      if (((HC_CardPane *)parent())->type != H9632) {
          adat_sync = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT Sync");
          adat_sync->callback(pref_sync_ref_cb, (void *)this);
          adat_sync->labelsize(10);
          adat_sync->type(FL_RADIO_BUTTON);
      }
      spdif = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "SPDIF In");
      spdif->callback(pref_sync_ref_cb, (void *)this);
      adat1 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, adat_name);
      adat1->callback(pref_sync_ref_cb, (void *)this);
      if (((HC_CardPane *)parent())->type != Multiface && ((HC_CardPane *)parent())->type != H9632) {
          adat2 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT2 In");
          adat2->labelsize(10);
          adat2->type(FL_RADIO_BUTTON);
          adat2->callback(pref_sync_ref_cb, (void *)this);
          adat3 = new Fl_Round_Button(x+10, y+V_STEP*i++, w-20, V_STEP, "ADAT3 In");
          adat3->labelsize(10);
          adat3->type(FL_RADIO_BUTTON);
          adat3->callback(pref_sync_ref_cb, (void *)this);
      }     
      adat1->labelsize(10);
      adat1->type(FL_RADIO_BUTTON);
      spdif->labelsize(10);
      spdif->type(FL_RADIO_BUTTON);
      word_clock->labelsize(10);
      word_clock->type(FL_RADIO_BUTTON);
      end();      
}

void HC_PrefSyncRef::setRef(int r)
{
      switch (r) {
      case 0:
          if (word_clock->value() != 1)
            word_clock->setonly();
          break;
      case 1:
          if (spdif->value() != 1)
            spdif->setonly();
          break;
      case 2:
          if (adat1->value() != 1)
            adat1->setonly();
          break;
      case 3:
          if (((HC_CardPane *)parent())->type != H9632)
            if (adat_sync->value() != 1)
                adat_sync->setonly();
          break;
      case 4:
          if (((HC_CardPane *)parent())->type == H9652 || ((HC_CardPane *)parent())->type == Digiface)
            if (adat2->value() != 1)
                adat2->setonly();
          break;                  
      case 5:
          if (((HC_CardPane *)parent())->type == H9652 || ((HC_CardPane *)parent())->type == Digiface)
            if (adat3->value() != 1)
                adat3->setonly();
          break;                  
      }
}


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