1 files changed, 54 insertions, 0 deletions
diff --git a/example4.c b/example4.c
new file mode 100644
index 0000000..c14e5bc
--- /dev/null
+++ b/example4.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <alsa/asoundlib.h>
+
+#define CLIENT_NAME "ttdaw"
+#define MAX_MIDI_PORTS 4
+
+static snd_seq_t *seq_handle;
+static snd_seq_addr_t *ports;
+static int rate = 44100;
+
+int main(void) {
+	fprintf(stdout, "Example: Reading MIDI input\n");
+
+	snd_seq_t *seq_handle;
+
+	if (snd_seq_open(&seq_handle, "default", SND_SEQ_OPEN_DUPLEX, 0) < 0) {
+		fprintf(stderr, "Error opening ALSA sequencer.\n");
+		exit(1);
+	}
+
+	if (snd_seq_set_client_name(seq_handle, CLIENT_NAME) < 0) {
+		fprintf(stderr, "Could not set up client name.\n");
+		exit(1);
+	}
+
+	if (snd_seq_create_simple_port(seq_handle, CLIENT_NAME,
+				SND_SEQ_PORT_CAP_WRITE |
+				SND_SEQ_PORT_CAP_SUBS_WRITE,
+				SND_SEQ_PORT_TYPE_MIDI_GENERIC |
+				SND_SEQ_PORT_TYPE_APPLICATION) < 0) {
+		fprintf(stderr, "Error creating sequencer port.\n");
+		exit(1);
+	}
+
+	char *port_name = "28:0";
+	if (snd_seq_parse_address(seq_handle, &ports[0], port_name) < 0) {
+		fprintf(stderr, "Invalid port %s.\n", port_name);
+		exit(1);
+	}
+
+	// Connecting ports.
+	for (int i = 0; i < MAX_MIDI_PORTS; ++i) {
+		int err = snd_seq_connect_from(seq_handle, 0, ports[i].client, ports[i].port);
+		if (err < 0) {
+			fprintf(stderr, "Cannot connect from port %d:%d - %s", ports[i].client, ports[i].port, snd_strerror(err));
+			exit(1);
+		}
+	}
+
+	snd_seq_close(seq_handle);
+	return 0;
+}
+