From 65bd41387c8dbf67812de1881198a47c9bb4b55e Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Sat, 5 Oct 2019 19:30:22 +0200
Subject: Implement detect option for winmidi

---
 backends/maweb.c   |  7 ++++---
 backends/midi.c    |  3 +--
 backends/winmidi.c | 41 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/backends/maweb.c b/backends/maweb.c
index baa516a..c98d04b 100644
--- a/backends/maweb.c
+++ b/backends/maweb.c
@@ -5,7 +5,6 @@
 #include <openssl/md5.h>
 #endif
 
-#define DEBUG
 #include "libmmbackend.h"
 #include "maweb.h"
 
@@ -891,10 +890,12 @@ static int maweb_set(instance* inst, size_t num, channel** c, channel_value* v){
 						snprintf(xmit_buffer, sizeof(xmit_buffer),
 								"{\"keyname\":\"%s\","
 								"\"autoSubmit\":%s,"
-								"\"value\":%d"
+								"\"value\":%d,"
+								"\"session\":%" PRIu64
 								"}", cmdline_keys[chan->index].name,
 								cmdline_keys[chan->index].auto_submit ? "true" : "null",
-								(v[n].normalised > 0.9) ? 1 : 0);
+								(v[n].normalised > 0.9) ? 1 : 0,
+								data->session);
 					}
 					else{
 						continue;
diff --git a/backends/midi.c b/backends/midi.c
index d9ac698..536457d 100644
--- a/backends/midi.c
+++ b/backends/midi.c
@@ -56,8 +56,7 @@ static int midi_configure(char* option, char* value){
 		sequencer_name = strdup(value);
 		return 0;
 	}
-
-	if(!strcmp(option, "detect")){
+	else if(!strcmp(option, "detect")){
 		midi_config.detect = 1;
 		if(!strcmp(value, "off")){
 			midi_config.detect = 0;
diff --git a/backends/winmidi.c b/backends/winmidi.c
index 13c4b4a..83d0c7e 100644
--- a/backends/winmidi.c
+++ b/backends/winmidi.c
@@ -9,6 +9,7 @@
 
 static struct {
 	uint8_t list_devices;
+	uint8_t detect;
 	int socket_pair[2];
 
 	CRITICAL_SECTION push_events;
@@ -60,6 +61,13 @@ static int winmidi_configure(char* option, char* value){
 		}
 		return 0;
 	}
+	else if(!strcmp(option, "detect")){
+		backend_config.detect = 0;
+		if(!strcmp(value, "on")){
+			backend_config.detect = 1;
+		}
+		return 0;
+	}
 
 	fprintf(stderr, "Unknown winmidi backend option %s\n", option);
 	return 1;
@@ -232,6 +240,22 @@ static int winmidi_set(instance* inst, size_t num, channel** c, channel_value* v
 	return 0;
 }
 
+static char* winmidi_type_name(uint8_t typecode){
+	switch(typecode){
+		case note:
+			return "note";
+		case cc:
+			return "cc";
+		case pressure:
+			return "pressure";
+		case aftertouch:
+			return "aftertouch";
+		case pitchbend:
+			return "pitch";
+	}
+	return "unknown";
+}
+
 static int winmidi_handle(size_t num, managed_fd* fds){
 	size_t u;
 	ssize_t bytes = 0;
@@ -249,6 +273,23 @@ static int winmidi_handle(size_t num, managed_fd* fds){
 	//push queued events
 	EnterCriticalSection(&backend_config.push_events);
 	for(u = 0; u < backend_config.events_active; u++){
+		if(backend_config.detect){
+			//pretty-print channel-wide events
+			if(backend_config.event[u].channel.fields.type == pitchbend
+					|| backend_config.event[u].channel.fields.type == aftertouch){
+				fprintf(stderr, "Incoming MIDI data on channel %s.ch%d.%s\n",
+						backend_config.event[u].inst->name,
+						backend_config.event[u].channel.fields.channel,
+						winmidi_type_name(backend_config.event[u].channel.fields.type));
+			}
+			else{
+				fprintf(stderr, "Incoming MIDI data on channel %s.ch%d.%s%d\n",
+						backend_config.event[u].inst->name,
+						backend_config.event[u].channel.fields.channel,
+						winmidi_type_name(backend_config.event[u].channel.fields.type),
+						backend_config.event[u].channel.fields.control);
+			}
+		}
 		chan = mm_channel(backend_config.event[u].inst, backend_config.event[u].channel.label, 0);
 		if(chan){
 			mm_channel_event(chan, backend_config.event[u].value);
-- 
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