2019-08-24 Fred Gleason <fredg@paravelsystems.com>

* Refactored rdalsaconfig(8) to use ALSA device IDs rather than ordinal numbers in asound.confO(5).
2025-12-15 09:01:14 +01:00 · 2019-08-24 09:16:18 -04:00
parent e62b02f179
commit f6d220c56c
12 changed files with 541 additions and 548 deletions
--- a/utils/rdalsaconfig/rdalsacard.cpp
+++ b/utils/rdalsaconfig/rdalsacard.cpp
@@ -0,0 +1,114 @@
+// rdalsacard.cpp
+//
+// Abstract ALSA 'card' information
+//
+//   (C) Copyright 2019 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   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.
+//
+
+#include "rdalsacard.h"
+
+RDAlsaCard::RDAlsaCard(snd_ctl_t *ctl,int index)
+{
+  snd_ctl_card_info_t *card_info;
+  snd_pcm_info_t *pcm_info;
+  int pcm=0;
+
+  card_index=index;
+
+  snd_ctl_card_info_malloc(&card_info);
+  snd_pcm_info_malloc(&pcm_info);
+
+  snd_ctl_card_info(ctl,card_info);
+  card_id=QString(snd_ctl_card_info_get_id(card_info));
+  card_driver=QString(snd_ctl_card_info_get_driver(card_info));
+  card_name=QString(snd_ctl_card_info_get_name(card_info));
+  card_long_name=QString(snd_ctl_card_info_get_longname(card_info));
+  card_mixer_name=QString(snd_ctl_card_info_get_mixername(card_info));
+  if(snd_ctl_pcm_info(ctl,pcm_info)==0) {
+    pcm=0;
+    while(pcm>=0) {
+      card_pcm_names.push_back(snd_pcm_info_get_name(pcm_info)+
+			       QString().sprintf("[%02d]",pcm+1));
+      snd_ctl_pcm_next_device(ctl,&pcm);
+    }
+  }
+  snd_pcm_info_free(pcm_info);
+  snd_ctl_card_info_free(card_info);
+}
+
+
+int RDAlsaCard::index() const
+{
+  return card_index;
+}
+
+
+QString RDAlsaCard::id() const
+{
+  return card_id;
+}
+
+
+QString RDAlsaCard::driver() const
+{
+  return card_driver;
+}
+
+
+QString RDAlsaCard::name() const
+{
+  return card_name;
+}
+
+
+QString RDAlsaCard::longName() const
+{
+  return card_long_name;
+}
+
+
+QString RDAlsaCard::mixerName() const
+{
+  return card_long_name;
+}
+
+
+QString RDAlsaCard::dump() const
+{
+  QString ret=QString().sprintf("Card %d\n",index());
+
+  ret+="  ID: "+id()+"\n";
+  ret+="  Name: "+name()+"\n";
+  ret+="  LongName: "+longName()+"\n";
+  ret+="  MixerName: "+mixerName()+"\n";
+  for(int i=0;i<pcmQuantity();i++) {
+    ret+=QString().sprintf("    PCM[%d]: ",i)+pcmName(i)+"\n";
+  }
+
+  return ret;
+}
+
+
+int RDAlsaCard::pcmQuantity() const
+{
+  return card_pcm_names.size();
+}
+
+
+QString RDAlsaCard::pcmName(int n) const
+{
+  return card_pcm_names.at(n);
+}