static int check_permission(snd_seq_port_info_t *pinfo) {
if (perm_ok(pinfo, SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE)) {
if (!(snd_seq_port_info_get_capability(pinfo) & SND_SEQ_PORT_CAP_NO_EXPORT))
return 1;
}
return 0;
}
static int check_permission(snd_seq_port_info_t *pinfo, int perm)
{
if (perm) {
if (perm & LIST_INPUT) {
if (perm_ok(pinfo, SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ))
goto __ok;
}
if (perm & LIST_OUTPUT) {
if (perm_ok(pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE))
goto __ok;
}
return 0;
}
__ok:
if (snd_seq_port_info_get_capability(pinfo) & SND_SEQ_PORT_CAP_NO_EXPORT)
return 0;
return 1;
}
std::vector<String> MidiInputDeviceAlsa::MidiInputPortAlsa::ParameterAlsaSeqBindings::PossibilitiesAsString() {
std::vector<String> res;
snd_seq_client_info_t* cinfo;
snd_seq_port_info_t* pinfo;
snd_seq_client_info_alloca(&cinfo);
snd_seq_port_info_alloca(&pinfo);
snd_seq_client_info_set_client(cinfo, -1);
while (snd_seq_query_next_client(pPort->pDevice->hAlsaSeq, cinfo) >= 0) {
snd_seq_port_info_set_client(pinfo, snd_seq_client_info_get_client(cinfo));
snd_seq_port_info_set_port(pinfo, -1);
while (snd_seq_query_next_port(pPort->pDevice->hAlsaSeq, pinfo) >= 0) {
if (perm_ok(pinfo, SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ)) {
String seq_id = ToString(snd_seq_client_info_get_client(cinfo)) + ":" +
ToString(snd_seq_port_info_get_port(pinfo));
res.push_back(seq_id);
}
}
}
return res;
}
