+void AudioALSA::add_pulse_devices(int mode,
+ ArrayList<char*> *names, ArrayList<char*> *pcm_names)
+{
+#ifdef HAVE_PACTL
+// run: pactl list <sources>|<sinks>
+// scan output for <Source/Sink> #n, Name: <device>
+// build alsa device config and add to alsa snd_config
+ const char *arg = 0;
+ switch( mode ) {
+ case MODERECORD:
+ arg = "source";
+ break;
+ case MODEPLAY:
+ arg = "sink";
+ break;
+ }
+ FILE *pactl = 0;
+ char line[BCTEXTLEN];
+ if( arg ) {
+ sprintf(line, "LANGUAGE=en_US.UTF-8 pactl list %ss", arg);
+ pactl = popen(line,"r");
+ }
+ if( pactl ) {
+ snd_config_update();
+ char name[BCTEXTLEN], pa_name[BCTEXTLEN], device[BCTEXTLEN];
+ name[0] = pa_name[0] = device[0] = 0;
+ int arg_len = strlen(arg);
+ while( fgets(line, sizeof(line), pactl) ) {
+ if( !strncasecmp(line, arg, arg_len) ) {
+ char *sp = name, *id = pa_name;
+ for( char *cp=line; *cp && *cp!='\n'; *sp++=*cp++ )
+ *id++ = (*cp>='A' && *cp<='Z') ||
+ (*cp>='a' && *cp<='z') ||
+ (*cp>='0' && *cp<='9') ? *cp : '_';
+ *sp++ = 0; *id = 0;
+ if( names )
+ names->append(cstrdup(name));
+ continue;
+ }
+ if( sscanf(line, " Name: %s", device) != 1 ) continue;
+ int len = strlen(pa_name);
+ if( pcm_names )
+ pcm_names->append(cstrdup(pa_name));
+ char alsa_config[BCTEXTLEN];
+ len = snprintf(alsa_config, sizeof(alsa_config),
+ "pcm.!%s {\n type pulse\n device %s\n}\n"
+ "ctl.!%s {\n type pulse\n device %s\n}\n",
+ pa_name, device, pa_name, device);
+ FILE *fp = fmemopen(alsa_config,len,"r");
+ snd_input_t *inp;
+ snd_input_stdio_attach(&inp, fp, 1);
+ snd_config_load(snd_config, inp);
+ name[0] = pa_name[0] = device[0] = 0;
+ snd_input_close(inp);
+ }
+ pclose(pactl);
+ }
+#endif
+}
+