Increase MIDI buffer size upto 16384 bytes to allow longer SysEx data…

… transmission.
zynthian · Jan 4, 2024 · 1250297 · 1250297
1 parent 768df83
commit 1250297
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/zynmidirouter.c b/zynmidirouter.c
@@ -1463,7 +1463,7 @@ int write_rb_midi_event(jack_ringbuffer_t *rb, uint8_t *event_buffer, int event_
 			return 0;
 		}
 	} else {
-		fprintf(stderr, "ZynMidiRouter: Error writing ring-buffer: FULL\n");
+		fprintf(stderr, "ZynMidiRouter: Error writing ring-buffer => %d bytes available < %d bytes needed\n", jack_ringbuffer_write_space(rb), event_size);
 		return 0;
 	}
 	return 1;

diff --git a/zynmidirouter.h b/zynmidirouter.h
@@ -201,8 +201,6 @@ int get_midi_learning_mode();
 // Zynmidi Ports
 //-----------------------------------------------------------------------------
 
-#define JACK_MIDI_BUFFER_SIZE 4096
-
 #define ZMOP_CH0 0
 #define ZMOP_CH1 1
 #define ZMOP_CH2 2
@@ -359,7 +357,8 @@ void jack_connect_cb(jack_port_id_t a, jack_port_id_t b, int connect, void *arg)
 // MIDI Events Buffer Management and Direct Send functions
 //-----------------------------------------------------------------------------
 
-#define ZYNMIDI_BUFFER_SIZE 4096
+#define JACK_MIDI_BUFFER_SIZE 16384
+//32768
 
 //---------------------------------------------------------
 // Direct Send Event Ring-Buffer write
@@ -433,6 +432,8 @@ int dev_send_program_change(uint8_t idev, uint8_t chan, uint8_t prgm);
 // MIDI Internal Ouput Events Buffer => UI
 //-----------------------------------------------------------------------------
 
+#define ZYNMIDI_BUFFER_SIZE 16384
+
 int init_zynmidi_buffer();
 int end_zynmidi_buffer();
 int write_zynmidi(uint32_t ev);