correct fixed volume spectrum scale - release

components/squeezelite/display.c

@@ -877,7 +877,7 @@ static void visu_update(void) {
 		
 			// convert to dB (1 bit remaining for getting X²/N, 60dB dynamic starting from 0dBFS = 3 bits back-off)
 			for (int i = visu.n; --i >= 0;) {	 
-				visu.bars[i].current = visu.max * (0.01667f*10*log10f(0.0000001f + (visu.bars[i].current >> (visu_export.gain == FIXED_ONE ? 7 : 1))) - 0.2543f);
+				visu.bars[i].current = visu.max * (0.01667f*10*log10f(0.0000001f + (visu.bars[i].current >> (visu_export.gain == FIXED_ONE ? 8 : 1))) - 0.2543f);
 				if (visu.bars[i].current > visu.max) visu.bars[i].current = visu.max;
 				else if (visu.bars[i].current < 0) visu.bars[i].current = 0;
 			}
@@ -919,7 +919,7 @@ static void visu_update(void) {
 				}	
 			
 				// convert to dB and bars, same back-off
-				if (power) visu.bars[i].current = visu.max * (0.01667f*10*(log10f(power) - log10f(FFT_LEN/(visu_export.gain == FIXED_ONE ? 128 : 2)*2)) - 0.2543f);
+				if (power) visu.bars[i].current = visu.max * (0.01667f*10*(log10f(power) - log10f(FFT_LEN*(visu_export.gain == FIXED_ONE ? 256 : 2))) - 0.2543f);
 				if (visu.bars[i].current > visu.max) visu.bars[i].current = visu.max;
 				else if (visu.bars[i].current < 0) visu.bars[i].current = 0;
 			}	
@@ -1045,7 +1045,7 @@ static void visu_handler( u8_t *data, int len) {
 	// little trick to clean the taller screens when switching visu 
 	if (visu.row >= displayer.height) GDS_ClearExt(display, false, true, visu.col, visu.row, visu.col + visu.width - 1, visu.row + visu.height - 1);
 
-	if ((visu.mode = pkt->which) != 0) {
+	if (visu.mode) {
 		// these will be overidden if necessary
 		visu.col = visu.border = 0;
 		visu.rotate = false;

components/squeezelite/slimproto.c

@@ -822,14 +822,14 @@ in_addr_t discover_server(char *default_server, int max) {
 		memset(&s, 0, sizeof(s));
 
 		if (sendto(disc_sock, buf, len, 0, (struct sockaddr *)&d, sizeof(d)) < 0) {
-			LOG_INFO("error sending disovery");
+			LOG_INFO("error sending discovery");
 		}
 
 		if (poll(&pollinfo, 1, 5000) == 1) {
-			char readbuf[32], *p;
+			char readbuf[64], *p;
 			socklen_t slen = sizeof(s);
-			memset(readbuf, 0, 32);
-			recvfrom(disc_sock, readbuf, 32 - 1, 0, (struct sockaddr *)&s, &slen);
+			memset(readbuf, 0, sizeof(readbuf));
+			recvfrom(disc_sock, readbuf, sizeof(readbuf) - 1, 0, (struct sockaddr *)&s, &slen);
 			LOG_INFO("got response from: %s:%d", inet_ntoa(s.sin_addr), ntohs(s.sin_port));
 
 			 if ((p = strstr(readbuf, port_d)) != NULL) {

plugin/SqueezeESP32/Graphics.pm

@@ -17,6 +17,17 @@ my $VISUALIZER_WAVEFORM = 3;
 my $VISUALIZER_VUMETER_ESP32 = 0x11;
 my $VISUALIZER_SPECTRUM_ANALYZER_ESP32 = 0x12;
 
+my %SPECTRUM_DEFAULTS = (
+	scale => 25,
+	small => {
+		size => 25,
+		band => 5.33
+	},
+	full => {
+		band => 8
+	},
+);
+
 {
 	#__PACKAGE__->mk_accessor('array', 'modes');
 	__PACKAGE__->mk_accessor('rw', 'modes');
@@ -33,14 +44,16 @@ sub new {
 	$cprefs->init( { 
 		width => 128,
 		small_VU => 15,
-		spectrum =>	{	scale => 25,
-						small => { size => 25, band => 5.33 },
-						full  => { band => 8 },
-				},
-		}		
-	);				
-		
-	$display->init_accessor(	
+		spectrum => \%SPECTRUM_DEFAULTS,
+	} );
+
+	$prefs->migrateClient(2, sub {
+		my ($cprefs, $client) = @_;
+		sanitizeSpectrum($cprefs->get('spectrum'));
+		1;
+	});
+
+	$display->init_accessor(
 		modes => $display->build_modes,
 		# Only seems to matter for screensaver and update to decide font. Not 
 		# any value is acceptable, so use Boom value which seems to be best 
@@ -106,6 +119,16 @@ sub displayHeight {
 	return 32;
 }
 
+sub sanitizeSpectrum {
+	my ($spectrum) = shift;
+
+	$spectrum->{small}->{size} ||= $SPECTRUM_DEFAULTS{small}->{size};
+	$spectrum->{small}->{band} ||= $SPECTRUM_DEFAULTS{small}->{band};
+	$spectrum->{full}->{band} ||= $SPECTRUM_DEFAULTS{full}->{band};
+
+	return $spectrum;
+}
+
 sub build_modes {
 	my $client = shift->client;
 	my $cprefs = $prefs->client($client);
@@ -118,9 +141,9 @@ sub build_modes {
 	my $width_low = ($artwork->{'enable'} && $artwork->{'x'} && ($artwork->{'y'} >= 32 || $disp_width - $artwork->{'x'} > 32)) ? $artwork->{'x'} : $disp_width;
 			
 	my $small_VU = $cprefs->get('small_VU');
-	my $spectrum = $cprefs->get('spectrum');
-	
-	my $small_spectrum_pos = { x => $width - int ($spectrum->{small}->{size} * $width / 100), 
+	my $spectrum = sanitizeSpectrum($cprefs->get('spectrum'));
+
+	my $small_spectrum_pos = { x => $width - int ($spectrum->{small}->{size} * $width / 100),
 						 width => int ($spectrum->{small}->{size} * $width / 100),
 			};
 	my $small_VU_pos = { x => $width - int ($small_VU * $width / 100), 
@@ -224,7 +247,7 @@ my @extra = (
 	);		
 	
 	@modes = (@modes, @extra) if $cprefs->get('height') > 32;
-		
+
 	return \@modes;
 }	
 

plugin/SqueezeESP32/Player.pm

@@ -91,16 +91,19 @@ sub init {
 	}
 	
 	$client->SUPER::init(@_);
-	$client->config_artwork;
-	$client->send_equalizer;
-	
 	main::INFOLOG && $log->is_info && $log->info("SqueezeESP player connected: " . $client->id);
 }	
 
 sub initPrefs {
 	my $client = shift;
+	
 	$sprefs->client($client)->init($defaultPrefs);
-	$prefs->client($client)->init( { equalizer => [(0) x 10] } );
+	
+	$prefs->client($client)->init( { 
+		equalizer => [(0) x 10],
+		artwork => undef,
+	} );
+
 	$client->SUPER::initPrefs;
 }
 
@@ -184,11 +187,13 @@ sub update_artwork {
 	my $cprefs = $prefs->client($client);
 
 	my $artwork = $cprefs->get('artwork') || return;
-
 	return unless $artwork->{'enable'};
+	
+	my $header = pack('Nnn', $artwork->{'enable'}, $artwork->{'x'}, $artwork->{'y'});
+	$client->sendFrame( grfa => \$header );
+	$client->display->update;
 
 	my $s = min($cprefs->get('height') - $artwork->{'y'}, $cprefs->get('width') - $artwork->{'x'});
-
 	my $params = { force => shift || 0 };
 	my $path = 'music/current/cover_' . $s . 'x' . $s . '_o.jpg';
 	my $body = Slim::Web::Graphics::artworkRequest($client, $path, $params, \&send_artwork, undef, HTTP::Response->new);
@@ -248,13 +253,17 @@ sub config_artwork {
 	if ( my $artwork = $prefs->client($client)->get('artwork') ) {
 		my $header = pack('Nnn', $artwork->{'enable'}, $artwork->{'x'}, $artwork->{'y'});
 		$client->sendFrame( grfa => \$header );
+		$client->display->update;
 	}
 }
 
 sub reconnect {
 	my $client = shift;
-	$client->pluginData('artwork_md5', '');
 	$client->SUPER::reconnect(@_);
+	
+	$client->pluginData('artwork_md5', '');
+	$client->config_artwork;
+	$client->send_equalizer;
 }
 
 # Change the analog output mode between headphone and sub-woofer

plugin/SqueezeESP32/PlayerSettings.pm

@@ -43,22 +43,29 @@ sub handler {
 	if ($paramRef->{'saveSettings'}) {
 		if ($client->displayWidth) {
 			$cprefs->set('small_VU', $paramRef->{'pref_small_VU'} || 15);
-			my $spectrum = {
-				scale => $paramRef->{'pref_spectrum_scale'} || 25,
-				small => { 	size => $paramRef->{'pref_spectrum_small_size'} || 25,
-				band  => $paramRef->{'pref_spectrum_small_band'} || 5.33 },
-				full  => { 	band => $paramRef->{'pref_spectrum_full_band'} } || 8,
-			};
+
+			require Plugins::SqueezeESP32::Graphics;
+			my $spectrum = Plugins::SqueezeESP32::Graphics::sanitizeSpectrum({
+				scale => $paramRef->{'pref_spectrum_scale'},
+				small => {
+					size => $paramRef->{'pref_spectrum_small_size'},
+					band => $paramRef->{'pref_spectrum_small_band'}
+				},
+				full => {
+					band => $paramRef->{'pref_spectrum_full_band'}
+				},
+			});
 			$cprefs->set('spectrum', $spectrum);
 
 			my $artwork = {
-				enable => $paramRef->{'pref_artwork_enable'},
+				enable => $paramRef->{'pref_artwork_enable'} eq 'on',
 				x => $paramRef->{'pref_artwork_x'} || 0,
 				y => $paramRef->{'pref_artwork_y'} || 0,
 			};
+			
 			$cprefs->set('artwork', $artwork);
 			$client->display->modes($client->display->build_modes);
-			$client->display->update;
+			# the display update will be done below, after all is completed
 
 			# force update or disable artwork
 			if ($artwork->{'enable'}) {
@@ -66,6 +73,7 @@ sub handler {
 			} else {
 				$client->config_artwork();
 			}
+
 		}
 
 		my $equalizer = $cprefs->get('equalizer');

plugin/SqueezeESP32/Plugin.pm

@@ -24,6 +24,12 @@ $prefs->migrateClient(1, sub {
 	1;
 });
 
+$prefs->migrateClient(2, sub {
+	my ($cprefs, $client) = @_;
+	$cprefs->set('artwork', undef) if $cprefs->get('artwork') && ref $cprefs->get('artwork') ne 'HASH';
+	1;
+});
+
 $prefs->setChange(sub {
 	$_[2]->send_equalizer;
 }, 'equalizer');
@@ -67,8 +73,9 @@ sub onNotification {
 	my $request = shift;
 	my $client  = $request->client || return;
 
-	if ($client->isa('Plugins::SqueezeESP32::Player')) {
-		$client->update_artwork();
+	foreach my $player ($client->syncGroupActiveMembers) {
+		next unless $player->isa('Plugins::SqueezeESP32::Player');
+		$player->update_artwork;
 	}
 }
 

plugin/SqueezeESP32/install.xml

@@ -10,6 +10,6 @@
   <name>PLUGIN_SQUEEZEESP32</name>
   <description>PLUGIN_SQUEEZEESP32_DESC</description>
   <module>Plugins::SqueezeESP32::Plugin</module>
-    <version>0.200</version>
+    <version>0.211</version>
   <creator>Philippe</creator>
 </extensions>

plugin/SqueezeESP32/strings.txt

@@ -80,8 +80,10 @@ PLUGIN_SQUEEZEESP32_ARTWORK
 PLUGIN_SQUEEZEESP32_ARTWORK_DESC
 	DE	Wenn die Y Position kleiner als 32 ist, dann werden Plattenhüllen auf der rechten Seite angezeigt, und x definiert die Startposition.
 	DE	Plattenhüllen werden auf Displays mit weniger als 16 Graustufen in sehr geringer Qualität angezeigt.
-	EN	When Y position is less than 32, then artwork is displayed at the right of the main screen and x defines the starting position
-	EN	Using artwork on less than 16-levels grayscale display if really poor quality
+	EN	When Y position is less than 32, then artwork is displayed at the right of the main screen and X defines the starting position
+	EN	<br>On large screen, it's possible to rotate the VU/Spectrum by setting a small X offset (typically 32). That will push the 
+	EN	artwork to the right and make space for a vertical VU to its left.
+	EN	<br>Note that using artwork on less than 16-levels grayscale display if really poor quality
 
 PLUGIN_SQUEEZEESP32_ARTWORK_ENABLE
 	DE	Aktivieren