pd/src s_midi_alsa.c,1.1.2.2.2.3,1.1.2.2.2.4 - Pd-cvs

6 Oct 2005


      Update of /cvsroot/pure-data/pd/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9653/src
Modified Files:
      Tag: devel_0_39
    s_midi_alsa.c 
Log Message:
iohannes's autoconnect patch
Index: s_midi_alsa.c
===================================================================
RCS file: /cvsroot/pure-data/pd/src/s_midi_alsa.c,v
retrieving revision 1.1.2.2.2.3
retrieving revision 1.1.2.2.2.4
diff -C2 -d -r1.1.2.2.2.3 -r1.1.2.2.2.4
*** s_midi_alsa.c	21 Aug 2005 11:28:24 -0000	1.1.2.2.2.3
--- s_midi_alsa.c	6 Oct 2005 18:41:42 -0000	1.1.2.2.2.4
***************
*** 48,53 ****
--- 48,61 ----
      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 )
        {
***************
*** 74,96 ****
        return;
      }
!     for (i=0;i<nmidiout;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);
! 	alsa_midiinfd[i] = port;	
          if (port < 0) goto error;        
      }
!     for (i=0;i<nmidiin;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);
! 	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);
--- 82,107 ----
        return;
      }
!     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);
! 		alsa_midiinfd[i] = port;	
          if (port < 0) goto error;        
      }
!     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_READ | SND_SEQ_PORT_CAP_SUBS_READ, 
! 			SND_SEQ_PORT_TYPE_APPLICATION);
! 		alsa_midioutfd[i] = port;	
          if (port < 0) goto error;        
      }
snd_seq_client_info_malloc(&alsainfo);
      snd_seq_get_client_info(midi_handle,alsainfo);
***************
*** 104,109 ****
      alsa_nmidiout = nmidiout;
      alsa_nmidiin = nmidiin;
      return;
!   error:
      sys_setalarm(1000000);
      post("couldn't open alsa MIDI output device");
--- 115,179 ----
      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:
      sys_setalarm(1000000);
      post("couldn't open alsa MIDI output device");