diff options
Diffstat (limited to 'pd/src/s_midi_alsa.c')
| -rw-r--r-- | pd/src/s_midi_alsa.c | 86 |
1 files changed, 77 insertions, 9 deletions
diff --git a/pd/src/s_midi_alsa.c b/pd/src/s_midi_alsa.c index 1d19c111..dcc50006 100644 --- a/pd/src/s_midi_alsa.c +++ b/pd/src/s_midi_alsa.c @@ -47,8 +47,16 @@ void sys_alsa_do_open_midi(int nmidiin, int *midiinvec, int client; int i; snd_seq_client_info_t *alsainfo; + /* do we want to connect pd automatically with other devices ?; see below! */ + /* LATER: think about a flag to enable/disable automatic connection + * (sometimes it could be a pain) + */ + int autoconnect = 1; alsa_nmidiin = 0; alsa_nmidiout = 0; + + if (nmidiout == 0 && nmidiin == 0) return; + if(nmidiin>MAXMIDIINDEV ) { post("midi input ports reduced to maximum %d", MAXMIDIINDEV); @@ -73,25 +81,28 @@ void sys_alsa_do_open_midi(int nmidiin, int *midiinvec, post("couldn't open alsa sequencer"); return; } - for (i=0;i<nmidiout;i++) + for (i=0;i<nmidiin;i++) { int port; sprintf(portname,"Pure Data Midi-In %d",i+1); - port = snd_seq_create_simple_port(midi_handle,portname,SND_SEQ_PORT_CAP_WRITE |SND_SEQ_PORT_CAP_SUBS_WRITE , SND_SEQ_PORT_TYPE_APPLICATION); + port = snd_seq_create_simple_port(midi_handle,portname, + SND_SEQ_PORT_CAP_WRITE |SND_SEQ_PORT_CAP_SUBS_WRITE, + SND_SEQ_PORT_TYPE_APPLICATION); alsa_midiinfd[i] = port; if (port < 0) goto error; } - for (i=0;i<nmidiin;i++) + for (i=0;i<nmidiout;i++) { int port; sprintf(portname,"Pure Data Midi-Out %d",i+1); - port = snd_seq_create_simple_port(midi_handle,portname, SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_READ, SND_SEQ_PORT_TYPE_APPLICATION); + port = snd_seq_create_simple_port(midi_handle,portname, + SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ, + SND_SEQ_PORT_TYPE_APPLICATION); alsa_midioutfd[i] = port; if (port < 0) goto error; } - if (nmidiout == 0 && nmidiin == 0) return; snd_seq_client_info_malloc(&alsainfo); snd_seq_get_client_info(midi_handle,alsainfo); snd_seq_client_info_set_name(alsainfo,"Pure Data"); @@ -103,8 +114,67 @@ void sys_alsa_do_open_midi(int nmidiin, int *midiinvec, snd_midi_event_new(20,&midiev); alsa_nmidiout = nmidiout; alsa_nmidiin = nmidiin; + + /* JMZ: connect all available devices to pd */ + if (autoconnect) + { + + snd_seq_client_info_t *cinfo; + snd_seq_port_info_t *pinfo; + + snd_seq_port_subscribe_t *subs; + snd_seq_addr_t other, topd, frompd; + /* since i don't know how to connect multiple ports + * (connect everything to each port, modulo,...), + * i only fully connect where we have only one single port + */ + if(alsa_nmidiin) + { + topd.client =client; + topd.port =alsa_midiinfd[0]; + } + if(alsa_nmidiout) + { + frompd.client =client; + frompd.port =alsa_midioutfd[0]; + } + + snd_seq_port_subscribe_alloca(&subs); + + 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(midi_handle, cinfo) >= 0) + { + /* reset query info */ + int client_id=snd_seq_client_info_get_client(cinfo); + + if((SND_SEQ_CLIENT_SYSTEM != client_id)&&(client != client_id)) + { /* skipping port 0 and ourself */ + snd_seq_port_info_set_client(pinfo, client_id); + snd_seq_port_info_set_port(pinfo, -1); + while (snd_seq_query_next_port(midi_handle, pinfo) >= 0) + { + other.client=client_id; + other.port =snd_seq_port_info_get_port(pinfo); + if(1==alsa_nmidiin) /* only autoconnect 1st port */ + { + snd_seq_port_subscribe_set_sender(subs, &other); + snd_seq_port_subscribe_set_dest(subs, &topd); + snd_seq_subscribe_port(midi_handle, subs); + } + if(1==alsa_nmidiout) /* only autoconnect 1st port */ + { + snd_seq_port_subscribe_set_sender(subs, &frompd); + snd_seq_port_subscribe_set_dest(subs, &other); + snd_seq_subscribe_port(midi_handle, subs); + } + } + } + } + } return; - error: + error: sys_setalarm(1000000); post("couldn't open alsa MIDI output device"); return; @@ -169,10 +239,8 @@ void sys_alsa_putmidibyte(int portno, int byte) { // repack into 1 byte char and put somewhere to point at unsigned char data = (unsigned char)byte; - unsigned char *dataptr = malloc(1); - memcpy(dataptr,&byte,1); - snd_seq_ev_set_sysex(&ev,1,dataptr); //...set_variable *should* have worked but didn't + snd_seq_ev_set_sysex(&ev,1,&data); //...set_variable *should* have worked but didn't snd_seq_ev_set_direct(&ev); snd_seq_ev_set_subs(&ev); snd_seq_ev_set_source(&ev,alsa_midioutfd[portno]); |