diff options
Diffstat (limited to 'backends/midi')
-rw-r--r-- | backends/midi/alsa.cpp | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/backends/midi/alsa.cpp b/backends/midi/alsa.cpp index 2a252b9323..5a978a0fd2 100644 --- a/backends/midi/alsa.cpp +++ b/backends/midi/alsa.cpp @@ -79,20 +79,18 @@ MidiDriver_ALSA::MidiDriver_ALSA() } int MidiDriver_ALSA::open() { - const char *var; + const char *var = NULL; if (_isOpen) return MERR_ALREADY_OPEN; _isOpen = true; - if (!(var = getenv("SCUMMVM_PORT"))) { - // use config option if no var specified + var = getenv("SCUMMVM_PORT"); + if (!var && ConfMan.hasKey("alsa_port")) { var = ConfMan.get("alsa_port").c_str(); - if (parse_addr(var, &seq_client, &seq_port) < 0) { - error("Invalid port %s", var); - return -1; - } - } else { + } + + if (var) { if (parse_addr(var, &seq_client, &seq_port) < 0) { error("Invalid port %s", var); return -1; @@ -120,14 +118,32 @@ int MidiDriver_ALSA::open() { return -1; } - if (seq_client != SND_SEQ_ADDRESS_SUBSCRIBERS) { - /* subscribe to MIDI port */ - if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) < 0) { - error("Can't subscribe to MIDI port (%d:%d) see README for help", seq_client, seq_port); + if (var) { + if (seq_client != SND_SEQ_ADDRESS_SUBSCRIBERS) { + // subscribe to MIDI port + if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) < 0) { + error("Can't subscribe to MIDI port (%d:%d) see README for help", seq_client, seq_port); + } } - else printf("Connected to Alsa sequencer client [%d:%d]\n", seq_client, seq_port); + } else { + int defaultPorts[] = { + 65, 0, + 17, 0 + }; + int i; + + for (i = 0; i < ARRAYSIZE(defaultPorts); i += 2) { + seq_client = defaultPorts[i]; + seq_port = defaultPorts[i + 1]; + if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) >= 0) + break; + } + + if (i >= ARRAYSIZE(defaultPorts)) + error("Can't subscribe to MIDI port (65:0) or (17:0)"); } + printf("Connected to Alsa sequencer client [%d:%d]\n", seq_client, seq_port); printf("ALSA client initialised [%d:0]\n", my_client); return 0; |