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UDP Signal color correction (#1902)

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* added ui changes for saturation in sync

* added setters/getters for hsv settings

* added color correction logic

* faster algorithm for color conversion

* added save/load config to fs

* adjusted value scale

* move color functions to colors.cpp

* remove unchecked file

* Various small changes

Moved settings location in sync settings
Changed wording from hyperion to live
Moved code into setRealtimePixel(), reducing duplication and enabling the functionality for DMX streams

Co-authored-by: Christian Schwinne <dev.aircoookie@gmail.com>
This commit is contained in:
Ahmed Shehata 2021-08-19 17:24:41 +01:00 committed by GitHub
parent 3eb1fe0eb2
commit 2ecc53ba56
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 114 additions and 10 deletions
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8
wled00/cfg.cpp
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@ -271,6 +271,10 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
CJSON(arlsDisableGammaCorrection, if_live[F("no-gc")]); // false
CJSON(arlsOffset, if_live[F("offset")]); // 0
CJSON(liveHSVCorrection, if_live[F("corr")]);
CJSON(liveHSVSaturation, if_live[F("hsvsat")]);
CJSON(liveHSVValue, if_live[F("hsvval")]);
CJSON(alexaEnabled, interfaces["va"][F("alexa")]); // false
CJSON(macroAlexaOn, interfaces["va"]["macros"][0]);
@ -608,10 +612,14 @@ void serializeConfig() {
if_live_dmx[F("seqskip")] = e131SkipOutOfSequence;
if_live_dmx[F("addr")] = DMXAddress;
if_live_dmx[F("mode")] = DMXMode;
if_live[F("timeout")] = realtimeTimeoutMs / 100;
if_live[F("maxbri")] = arlsForceMaxBri;
if_live[F("no-gc")] = arlsDisableGammaCorrection;
if_live[F("offset")] = arlsOffset;
if_live[F("corr")] = liveHSVCorrection;
if_live[F("hsvsat")] = liveHSVSaturation;
if_live[F("hsvval")] = liveHSVValue;
JsonObject if_va = interfaces.createNestedObject("va");
if_va[F("alexa")] = alexaEnabled;

71
wled00/colors.cpp
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@ -47,6 +47,77 @@ void relativeChangeWhite(int8_t amount, byte lowerBoundary)
col[3] = new_val;
}
void colorHSVtoRGB(float hue, float saturation, float value, byte& red, byte& green, byte& blue)
{
float r, g, b;
auto i = static_cast<int>(hue * 6);
auto f = hue * 6 - i;
auto p = value * (1 - saturation);
auto q = value * (1 - f * saturation);
auto t = value * (1 - (1 - f) * saturation);
switch (i % 6)
{
case 0: r = value, g = t, b = p;
break;
case 1: r = q, g = value, b = p;
break;
case 2: r = p, g = value, b = t;
break;
case 3: r = p, g = q, b = value;
break;
case 4: r = t, g = p, b = value;
break;
case 5: r = value, g = p, b = q;
break;
}
red = static_cast<uint8_t>(r * 255);
green = static_cast<uint8_t>(g * 255);
blue = static_cast<uint8_t>(b * 255);
}
void colorRGBtoHSV(byte red, byte green, byte blue, float& hue, float& saturation, float& value)
{
auto rd = static_cast<float>(red) / 255;
auto gd = static_cast<float>(green) / 255;
auto bd = static_cast<float>(blue) / 255;
auto max = std::max({ rd, gd, bd }), min = std::min({ rd, gd, bd });
value = max;
auto d = max - min;
saturation = max == 0 ? 0 : d / max;
hue = 0;
if (max != min)
{
if (max == rd) hue = (gd - bd) / d + (gd < bd ? 6 : 0);
else if (max == gd) hue = (bd - rd) / d + 2;
else if (max == bd) hue = (rd - gd) / d + 4;
hue /= 6;
}
}
#define SATURATION_THRESHOLD 0.1
#define MAX_HSV_VALUE 1
#define MAX_HSV_SATURATION 1
//corrects the realtime colors. 10 is the unchanged saturation/value
//this feature might cause slowdowns with large LED counts
void correctColors(byte r, byte g, byte b, byte* rgb) {
float hsv[3] = { 0,0,0 };
colorRGBtoHSV(r, g,b , hsv[0], hsv[1], hsv[2]);
float saturated = hsv[1] > SATURATION_THRESHOLD ?
hsv[1] * ((float)liveHSVSaturation / 10) : hsv[1];
float saturation = saturated < MAX_HSV_SATURATION ? saturated : MAX_HSV_SATURATION;
float valued = hsv[2] * ((float)liveHSVValue/10);
float value = valued < MAX_HSV_VALUE ? valued : MAX_HSV_VALUE;
colorHSVtoRGB(hsv[0], saturation, value, rgb[0], rgb[1], rgb[2]);
}
void colorHStoRGB(uint16_t hue, byte sat, byte* rgb) //hue, sat to rgb
{
float h = ((float)hue)/65535.0;

7
wled00/data/settings_sync.htm
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@ -28,7 +28,7 @@ Send notifications twice: <input type="checkbox" name="S2"><br>
<i>Reboot required to apply changes. </i>
<h3>Instance List</h3>
Enable instance list: <input type="checkbox" name="NL"><br>
Make this instance discoverable: <input type="checkbox" name="NB"><br>
Make this instance discoverable: <input type="checkbox" name="NB">
<h3>Realtime</h3>
Receive UDP realtime: <input type="checkbox" name="RD"><br><br>
<i>Network DMX input</i><br>
@ -59,7 +59,10 @@ DMX mode:
Timeout: <input name="ET" type="number" min="1" max="65000" required> ms<br>
Force max brightness: <input type="checkbox" name="FB"><br>
Disable realtime gamma correction: <input type="checkbox" name="RG"><br>
Realtime LED offset: <input name="WO" type="number" min="-255" max="255" required>
Realtime LED offset: <input name="WO" type="number" min="-255" max="255" required><br><br>
Realtime HSV color correction: <input type="checkbox" name="HX"><br>
Saturation (1-30): <input name="HS" type="number" min="1" max="30" value="1" step="1"><br>
Value (1-60): <input name="HV" type="number" min="1" max="60" value="10" step="1">
<h3>Alexa Voice Assistant</h3>
Emulate Alexa device: <input type="checkbox" name="AL"><br>
Alexa invocation name: <input name="AI" maxlength="32">

3
wled00/fcn_declare.h
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@ -58,6 +58,9 @@ void colorFromUint32(uint32_t in, bool secondary = false);
void colorFromUint24(uint32_t in, bool secondary = false);
uint32_t colorFromRgbw(byte* rgbw);
void relativeChangeWhite(int8_t amount, byte lowerBoundary = 0);
void colorHSVtoRGB(float hue, float saturation, float value, byte& red, byte& green, byte& blue);
void colorRGBtoHSV(byte red, byte green, byte blue, float& hue, float& saturation, float& value);
void correctColors(byte r, byte g, byte b, byte* rgb);
void colorHStoRGB(uint16_t hue, byte sat, byte* rgb); //hue, sat to rgb
void colorKtoRGB(uint16_t kelvin, byte* rgb);
void colorCTtoRGB(uint16_t mired, byte* rgb); //white spectrum to rgb

13
wled00/html_settings.h
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@ -254,8 +254,8 @@ Send Macro notifications: <input type="checkbox" name="SM"><br>
Send notifications twice: <input type="checkbox" name="S2"><br><i>
Reboot required to apply changes.</i><h3>Instance List</h3>
Enable instance list: <input type="checkbox" name="NL"><br>
Make this instance discoverable: <input type="checkbox" name="NB"><br><h3>
Realtime</h3>Receive UDP realtime: <input type="checkbox" name="RD"><br><br><i>
Make this instance discoverable: <input type="checkbox" name="NB"><h3>Realtime
</h3>Receive UDP realtime: <input type="checkbox" name="RD"><br><br><i>
Network DMX input</i><br>Type: <select name="DI" onchange="SP(),adj()"><option
value="5568">E1.31 (sACN)</option><option value="6454">Art-Net</option><option
value="4048">DDP</option><option value="0" selected="selected">Custom port
@ -275,9 +275,12 @@ E1.31 info</a><br>Timeout: <input name="ET" type="number" min="1" max="65000"
required> ms<br>Force max brightness: <input type="checkbox" name="FB"><br>
Disable realtime gamma correction: <input type="checkbox" name="RG"><br>
Realtime LED offset: <input name="WO" type="number" min="-255" max="255"
required><h3>Alexa Voice Assistant</h3>Emulate Alexa device: <input
type="checkbox" name="AL"><br>Alexa invocation name: <input name="AI"
maxlength="32"><h3>Blynk</h3><b>
required><br><br>Realtime HSV color correction: <input type="checkbox"
name="HX"><br>Saturation (1-30): <input name="HS" type="number" min="1"
max="30" value="1" step="1"><br>Value (1-60): <input name="HV" type="number"
min="1" max="60" value="10" step="1"><h3>Alexa Voice Assistant</h3>
Emulate Alexa device: <input type="checkbox" name="AL"><br>
Alexa invocation name: <input name="AI" maxlength="32"><h3>Blynk</h3><b>
Blynk, MQTT and Hue sync all connect to external hosts!<br>
This may impact the responsiveness of the ESP8266.</b><br>
For best results, only use one of these services at a time.<br>

4
wled00/set.cpp
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@ -214,6 +214,10 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
notifyMacro = request->hasArg(F("SM"));
notifyTwice = request->hasArg(F("S2"));
liveHSVCorrection = request->hasArg(F("HX"));
liveHSVSaturation = request->arg(F("HS")).toInt();
liveHSVValue = request->arg(F("HV")).toInt();
nodeListEnabled = request->hasArg(F("NL"));
if (!nodeListEnabled) Nodes.clear();
nodeBroadcastEnabled = request->hasArg(F("NB"));

10
wled00/udp.cpp
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@ -161,7 +161,6 @@ void handleNotifications()
for (uint16_t i = 0; i < packetSize -2; i += 3)
{
setRealtimePixel(id, lbuf[i], lbuf[i+1], lbuf[i+2], 0);
id++; if (id >= ledCount) break;
}
strip.show();
@ -385,7 +384,7 @@ void handleNotifications()
uint16_t id = ((udpIn[3] << 0) & 0xFF) + ((udpIn[2] << 8) & 0xFF00);
for (uint16_t i = 4; i < packetSize -2; i += 3)
{
if (id >= ledCount) break;
if (id >= ledCount) break;
setRealtimePixel(id, udpIn[i], udpIn[i+1], udpIn[i+2], 0);
id++;
}
@ -394,7 +393,7 @@ void handleNotifications()
uint16_t id = ((udpIn[3] << 0) & 0xFF) + ((udpIn[2] << 8) & 0xFF00);
for (uint16_t i = 4; i < packetSize -2; i += 4)
{
if (id >= ledCount) break;
if (id >= ledCount) break;
setRealtimePixel(id, udpIn[i], udpIn[i+1], udpIn[i+2], udpIn[i+3]);
id++;
}
@ -424,6 +423,11 @@ void setRealtimePixel(uint16_t i, byte r, byte g, byte b, byte w)
uint16_t pix = i + arlsOffset;
if (pix < ledCount)
{
if (liveHSVCorrection) {
byte correctedColors[3] = {0,0,0};
correctColors(r, g, b, correctedColors);
r = correctedColors[0]; g = correctedColors[1]; b = correctedColors[2];
}
if (!arlsDisableGammaCorrection && strip.gammaCorrectCol)
{
strip.setPixelColor(pix, strip.gamma8(r), strip.gamma8(g), strip.gamma8(b), strip.gamma8(w));

3
wled00/wled.h
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@ -294,6 +294,9 @@ WLED_GLOBAL byte irEnabled _INIT(0); // Infrared receiver
WLED_GLOBAL uint16_t udpPort _INIT(21324); // WLED notifier default port
WLED_GLOBAL uint16_t udpPort2 _INIT(65506); // WLED notifier supplemental port
WLED_GLOBAL uint16_t udpRgbPort _INIT(19446); // Hyperion port
WLED_GLOBAL bool liveHSVCorrection _INIT(false);
WLED_GLOBAL uint16_t liveHSVSaturation _INIT(13);
WLED_GLOBAL uint16_t liveHSVValue _INIT(10);
WLED_GLOBAL bool receiveNotificationBrightness _INIT(true); // apply brightness from incoming notifications
WLED_GLOBAL bool receiveNotificationColor _INIT(true); // apply color

5
wled00/xml.cpp
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@ -396,6 +396,11 @@ void getSettingsJS(byte subPage, char* dest)
{
sappend('v',SET_F("UP"),udpPort);
sappend('v',SET_F("U2"),udpPort2);
sappend('c',SET_F("HX"),liveHSVCorrection);
sappend('v',SET_F("HS"),liveHSVSaturation);
sappend('v',SET_F("HV"),liveHSVValue);
sappend('c',SET_F("RB"),receiveNotificationBrightness);
sappend('c',SET_F("RC"),receiveNotificationColor);
sappend('c',SET_F("RX"),receiveNotificationEffects);