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-rw-r--r--midimonster.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/midimonster.c b/midimonster.c
index e59b7f9..aeaf04d 100644
--- a/midimonster.c
+++ b/midimonster.c
@@ -8,6 +8,48 @@ int artnet_init();
int midi_init();
int osc_init();
+static size_t mappings = 0;
+static channel_mapping* map = NULL;
+
+int mm_map_channel(channel* from, channel* to){
+ size_t u, m;
+ //find existing source mapping
+ for(u = 0; u < mappings; u++){
+ if(map[u].from == from){
+ break;
+ }
+ }
+
+ //create new entry
+ if(u == mappings){
+ map = realloc(map, (mappings + 1) * sizeof(channel_mapping));
+ if(!map){
+ fprintf(stderr, "Failed to allocate memory\n");
+ return 1;
+ }
+ memset(map + mappings, 0, sizeof(channel_mapping));
+ mappings++;
+ }
+
+ //check whether the target is already mapped
+ for(m = 0; m < map[u].destinations; m++){
+ if(map[u].to[m] == to){
+ return 0;
+ }
+ }
+
+ map[u].to = realloc(map[u].to, (map[u].destinations + 1) * sizeof(channel*));
+ if(!map[u].to){
+ fprintf(stderr, "Failed to allocate memory\n");
+ map[u].destinations = 0;
+ return 1;
+ }
+
+ map[u].to[map[u].destinations] = to;
+ map[u].destinations++;
+ return 0;
+}
+
int usage(char* fn){
fprintf(stderr, "MIDIMonster v0.1\n");
fprintf(stderr, "Usage:\n");
@@ -49,6 +91,7 @@ int main(int argc, char** argv){
bail:
//free all data
backends_stop();
+ channels_free();
instances_free();
return rv;