diff options
| -rw-r--r-- | backends/midi.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/backends/midi.c b/backends/midi.c index 5b8e561..88b841c 100644 --- a/backends/midi.c +++ b/backends/midi.c @@ -3,6 +3,7 @@ #include "midi.h" #define BACKEND_NAME "midi" +static char* sequencer_name = NULL; static snd_seq_t* sequencer = NULL; enum /*_midi_channel_type*/ { @@ -40,29 +41,19 @@ int init(){ return 1; } - if(snd_seq_open(&sequencer, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0){ - fprintf(stderr, "Failed to open ALSA sequencer\n"); - return 1; - } - //register backend if(mm_backend_register(midi)){ fprintf(stderr, "Failed to register MIDI backend\n"); return 1; } - snd_seq_nonblock(sequencer, 1); - - fprintf(stderr, "MIDI client ID is %d\n", snd_seq_client_id(sequencer)); return 0; } static int midi_configure(char* option, char* value){ if(!strcmp(option, "name")){ - if(snd_seq_set_client_name(sequencer, value) < 0){ - fprintf(stderr, "Failed to set MIDI client name to %s\n", value); - return 1; - } + free(sequencer_name); + sequencer_name = strdup(value); return 0; } @@ -361,6 +352,21 @@ static int midi_start(){ return 0; } + //connect to the sequencer + if(snd_seq_open(&sequencer, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0){ + fprintf(stderr, "Failed to open ALSA sequencer\n"); + return 0; + } + + snd_seq_nonblock(sequencer, 1); + fprintf(stderr, "MIDI client ID is %d\n", snd_seq_client_id(sequencer)); + + //update the sequencer client name + if(snd_seq_set_client_name(sequencer, sequencer_name) < 0){ + fprintf(stderr, "Failed to set MIDI client name to %s\n", sequencer_name); + return 1; + } + //create all ports for(p = 0; p < n; p++){ data = (midi_instance_data*) inst[p]->impl; @@ -437,12 +443,17 @@ static int midi_shutdown(){ free(inst); //close midi - snd_seq_close(sequencer); - sequencer = NULL; + if(sequencer){ + snd_seq_close(sequencer); + sequencer = NULL; + } //free configuration cache snd_config_update_free_global(); + free(sequencer_name); + sequencer_name = NULL; + fprintf(stderr, "MIDI backend shut down\n"); return 0; } |