Changeset 77d8df8 in buchla-emu for emu/mid.c

Timestamp:

01/05/2018 04:35:58 PM (6 years ago)

Author:

Alexander Heinrich <alex.heinrich@…>

Branches:

master

Children:

9ddbf3e

Parents:

379ffd9

Message:

Add CLI option for selecting MIDI ports.

File:

• emu/mid.c (modified) (5 diffs)

emu/mid.c

@@ -47 +47 @@
 int32_t mid_verbose = 0;
 
-struct RtMidiWrapper* midiin;
+struct RtMidiWrapper* mid_in;
 
 static void xmit(int32_t un)
@@ -105 +105 @@
 }
 
-static void midi_callback(double timeStamp, const unsigned char* message, size_t size, void *userData) {
+static void mid_callback(double timeStamp, const unsigned char* message, size_t size, void *userData) {
         (void) size;
         (void) userData;
@@ -121 +121 @@
         ver("mid init");
 
-        midiin = rtmidi_in_create_default();
-        ver2("%p", midiin->ptr);
+        mid_in = rtmidi_in_create_default();
+        ver2("%p", mid_in->ptr);
         // check if null
-        uint32_t portcount = rtmidi_get_port_count(midiin);
-        ver2("%d", midiin->ok);
-
+
+        uint32_t portcount = rtmidi_get_port_count(mid_in);
         if (portcount == 0) {
-                midiin = NULL;
-                ver2("no midi ports\n");
-                return;
-        }
-
-        for (uint32_t i = 0; i < portcount; i++) {
-                ver2("Port %d: %s", i, rtmidi_get_port_name(midiin, i));
-        }
-
-        rtmidi_open_port(midiin, 0, rtmidi_get_port_name(midiin, 0));
-        if(!midiin->ok) {
-                fail("Failed to open Midi port");
-        }
-
-        rtmidi_in_set_callback(midiin, midi_callback, midiin->data);
-        if(!midiin->ok) {
-                fail("Failed to set Midi Callback");
+                mid_in = NULL;
+                ver2("No MIDI ports\n");
+                return;
+        }
+
+        if (mid_port > portcount) {
+                mid_in = NULL;
+                ver2("Selected MIDI port larger than number of midi ports");
+                return;
+        }
+
+        rtmidi_open_port(mid_in, mid_port, rtmidi_get_port_name(mid_in, mid_port));
+
+        if(mid_in->ok == 0) {
+                fail("Failed to open MIDI port");
+        }
+
+        ver2("Using MIDI port %u", mid_port);
+
+        rtmidi_in_set_callback(mid_in, mid_callback, mid_in->data);
+
+        if(mid_in->ok == 0) {
+                fail("Failed to set MIDI Callback");
         }
 }
@@ -150 +155 @@
 void mid_quit(void)
 {
-        if(midiin) {
-                rtmidi_close_port(midiin);
-                rtmidi_in_free(midiin);
+        if(mid_in) {
+                rtmidi_close_port(mid_in);
+                rtmidi_in_free(mid_in);
         }
 
@@ -231 +236 @@
         }
 }
+
+void mid_list(void) {
+        mid_in = rtmidi_in_create_default();
+
+        uint32_t portcount = rtmidi_get_port_count(mid_in);
+
+        if (portcount == 0) {
+                mid_in = NULL;
+                ver2("no MIDI ports\n");
+                return;
+        }
+
+        fprintf(stdout, "the following MIDI ports are available:\n");
+
+        for (uint32_t i = 0; i < portcount; i++) {
+                fprintf(stdout, "port %d: %s\n", i, rtmidi_get_port_name(mid_in, i));
+        }
+
+        rtmidi_in_free(mid_in);
+}