diff options
| author | Robin Gareus <robin@gareus.org> | 2014-06-21 11:49:40 +0200 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2014-06-21 11:51:11 +0200 |
| commit | 359a968e618d7398234484aa70ee317ae7dadbd5 (patch) | |
| tree | edc67ef36969a683afdd0b3055b303cee86c6fe4 /libs/ardouralsautil | |
| parent | 5d6dc388f71dbb4910832ed766af92592b000e52 (diff) | |
alsa sequencer device/port listing
Diffstat (limited to 'libs/ardouralsautil')
| -rw-r--r-- | libs/ardouralsautil/ardouralsautil/devicelist.h | 1 | ||||
| -rw-r--r-- | libs/ardouralsautil/devicelist.cc | 52 |
2 files changed, 53 insertions, 0 deletions
diff --git a/libs/ardouralsautil/ardouralsautil/devicelist.h b/libs/ardouralsautil/ardouralsautil/devicelist.h index ee56cadcde..2f8c2c4e90 100644 --- a/libs/ardouralsautil/ardouralsautil/devicelist.h +++ b/libs/ardouralsautil/ardouralsautil/devicelist.h @@ -26,6 +26,7 @@ namespace ARDOUR { void get_alsa_audio_device_names (std::map<std::string, std::string>& devices); void get_alsa_rawmidi_device_names (std::map<std::string, std::string>& devices); + void get_alsa_sequencer_names (std::map<std::string, std::string>& devices); int card_to_num(const char* device_name); } diff --git a/libs/ardouralsautil/devicelist.cc b/libs/ardouralsautil/devicelist.cc index 31957a80cf..b20df100db 100644 --- a/libs/ardouralsautil/devicelist.cc +++ b/libs/ardouralsautil/devicelist.cc @@ -170,6 +170,58 @@ ARDOUR::get_alsa_rawmidi_device_names (std::map<std::string, std::string>& devic } } +void +ARDOUR::get_alsa_sequencer_names (std::map<std::string, std::string>& devices) +{ + snd_seq_t *seq= NULL; + snd_seq_client_info_t *cinfo; + snd_seq_port_info_t *pinfo; + + snd_seq_client_info_alloca (&cinfo); + snd_seq_port_info_alloca (&pinfo); + + if (snd_seq_open (&seq, "hw", SND_SEQ_OPEN_DUPLEX, 0) < 0) { + return; + } + + snd_seq_client_info_set_client(cinfo, -1); + while (snd_seq_query_next_client (seq, cinfo) >= 0) { + int client = snd_seq_client_info_get_client (cinfo); + if (client == SND_SEQ_CLIENT_SYSTEM) { + continue; + } + if (!strcmp (snd_seq_client_info_get_name(cinfo), "Midi Through")) { + continue; + } + snd_seq_port_info_set_client (pinfo, client); + snd_seq_port_info_set_port (pinfo, -1); + + while (snd_seq_query_next_port (seq, pinfo) >= 0) { + int caps = snd_seq_port_info_get_capability(pinfo); + if (0 == (caps & (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_WRITE))) { + continue; + } + if (caps & SND_SEQ_PORT_CAP_NO_EXPORT) { + continue; + } + std::string card_name; + card_name = snd_seq_port_info_get_name (pinfo); + + card_name += " ("; + if (caps & SND_SEQ_PORT_CAP_READ) card_name += "I"; + if (caps & SND_SEQ_PORT_CAP_WRITE) card_name += "O"; + card_name += ")"; + + std::string devname; + devname = PBD::to_string(snd_seq_port_info_get_client (pinfo), std::dec); + devname += ":"; + devname += PBD::to_string(snd_seq_port_info_get_port (pinfo), std::dec); + devices.insert (std::make_pair (card_name, devname)); + } + } + snd_seq_close (seq); +} + int ARDOUR::card_to_num(const char* device_name) { |