From 8ebe9c5fefcebca02b75398f93b5064e738002fd Mon Sep 17 00:00:00 2001
From: aarnaude <antoine.arnaudet@polytech-lille.net>
Date: Fri, 28 Apr 2017 14:57:35 +0200
Subject: [PATCH] analyse midi

---
 analyse_midi_keyboard.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------------
 1 file changed, 57 insertions(+), 44 deletions(-)

diff --git a/analyse_midi_keyboard.c b/analyse_midi_keyboard.c
index d42757c..8aaa8f5 100644
--- a/analyse_midi_keyboard.c
+++ b/analyse_midi_keyboard.c
@@ -12,18 +12,23 @@
 
 
 
-#define NUM_PORT 24
-
-static snd_seq_t *seq;
+//#define NUM_PORT 20
 
 
+static snd_seq_t *seq;
+int NUM_PORT;
+typedef struct {
+	int type;
+	int note;
+	int velocity;	
+} Evenement;
 
 void recup_num(){
 	FILE* fd;
-	int num_port;
+	//int NUM_PORT;
 	fd=fopen("num_count2.txt","r");
-	fscanf(fd, "%d", &num_port);
-	printf("num = %d \n", num_port);
+	fscanf(fd, "%d", &NUM_PORT);
+	printf("num = %d \n", NUM_PORT);
 	fclose(fd); 
 
 }
@@ -46,12 +51,12 @@ static void create_port(void)
 	int err;
 
 	err = snd_seq_create_simple_port(seq, "analyseurmidi",
-					 SND_SEQ_PORT_CAP_WRITE |
-					 SND_SEQ_PORT_CAP_SUBS_WRITE,
-					 SND_SEQ_PORT_TYPE_MIDI_GENERIC |
-					 SND_SEQ_PORT_TYPE_APPLICATION);
+			SND_SEQ_PORT_CAP_WRITE |
+			SND_SEQ_PORT_CAP_SUBS_WRITE,
+			SND_SEQ_PORT_TYPE_MIDI_GENERIC |
+			SND_SEQ_PORT_TYPE_APPLICATION);
 	if (err<0)
-	  printf("Port non créé \n");
+		printf("Port non créé \n");
 }
 
 static void connect_port(void)
@@ -59,34 +64,39 @@ static void connect_port(void)
 	int err;
 	err = snd_seq_connect_from(seq, 0, NUM_PORT, 0);
 	if (err < 0)
-	  printf("Impossible de se connecter au port \n");
-			      
-}
-
-void action(snd_seq_event_t *event){
-	
-		if (event->type == SND_SEQ_EVENT_NOTEON) 
-			{
-				printf("note :  %d , velocite : %d\n",event->data.note.note, event->data.note.velocity);
-			}
-		if (event->type == SND_SEQ_EVENT_NOTEOFF) 
-			{
-				printf("noteOFF : %2d , %d velocite : %d\n", event->data.note.channel, event->data.note.note, event->data.note.velocity);
-			}
-		if (event->type == SND_SEQ_EVENT_CONTROLLER)
-			{
-				printf("programme : %2d, %d %d\n", event->data.control.channel, event->data.control.param, event->data.control.value);
-			}
+		printf("Impossible de se connecter au port \n");
 
 }
 
-int main(){
- init_seq();
- struct pollfd *pfds;
- int npfds, err;
- create_port();
- connect_port();
+Evenement action(snd_seq_event_t *event){
+	Evenement k;
+	if (event->type == SND_SEQ_EVENT_NOTEON) 
+	{
+		k.type=0;
+		k.note=event->data.note.note;
+		k.velocity=event->data.note.velocity;
+		//printf("note :  %d , velocite : %d\n",event->data.note.note, event->data.note.velocity);
+		return k;
+	}
+	if (event->type == SND_SEQ_EVENT_NOTEOFF) 
+	{
+		k.type=1;
+		k.note=event->data.note.note;
+		k.velocity=event->data.note.velocity;
+		//printf("noteOFF : %2d , %d velocite : %d\n", event->data.note.channel, event->data.note.note, event->data.note.velocity);
+		return k;
+	}
+/*	if (event->type == SND_SEQ_EVENT_CONTROLLER)
+	{
+		printf("programme : %2d, %d %d\n", event->data.control.channel, event->data.control.param, event->data.control.value);
+	}*/
+	return k;
+}
 
+void boucle(){
+	Evenement k;
+	struct pollfd *pfds;
+	int npfds, err;
 	npfds = snd_seq_poll_descriptors_count(seq, POLLIN);
 	pfds = alloca(sizeof(*pfds) * npfds);
 	for (;;) {
@@ -99,19 +109,22 @@ int main(){
 			if (err < 0)
 				break;
 			if (event)
-			  {
+			{
 				action(event);
-			  }
+			}
 		} while (err > 0);
 		fflush(stdout);
-   }
+	}
 
-  
-  
-  snd_seq_close(seq);
+}
 
 
-	recup_num();	
- 
-  return 0;
+int lancer(){
+	recup_num();
+	init_seq();
+	create_port();
+	connect_port();
+	boucle();
+	snd_seq_close(seq);
+	return 0;
 }
--
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