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Scale 2D peek for large matrices.

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This commit is contained in:
Blaz Kristan 2023-03-18 18:22:31 +01:00
parent 1bab4d6937
commit 08e2bfe9a2
1 changed files with 34 additions and 6 deletions
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40
wled00/ws.cpp
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@ -111,9 +111,17 @@ void sendDataWs(AsyncWebSocketClient * client)
DEBUG_PRINTF("JSON buffer size: %u for WS request (%u).\n", doc.memoryUsage(), len);
size_t heap1 = ESP.getFreeHeap();
DEBUG_PRINT(F("heap ")); DEBUG_PRINTLN(ESP.getFreeHeap());
#ifdef ESP8266
if (len>heap1) {
DEBUG_PRINTLN(F("Out of memory (WS)!"));
return;
}
#endif
buffer = ws.makeBuffer(len); // will not allocate correct memory sometimes on ESP8266
#ifdef ESP8266
size_t heap2 = ESP.getFreeHeap();
DEBUG_PRINT(F("heap ")); DEBUG_PRINTLN(ESP.getFreeHeap());
#else
size_t heap2 = 0; // ESP32 variants do not have the same issue and will work without checking heap allocation
#endif
@ -148,11 +156,17 @@ bool sendLiveLedsWs(uint32_t wsClient)
AsyncWebSocketClient * wsc = ws.client(wsClient);
if (!wsc || wsc->queueLength() > 0) return false; //only send if queue free
uint16_t used = strip.getLengthTotal();
const uint16_t MAX_LIVE_LEDS_WS = strip.isMatrix ? 1024 : 256;
uint16_t n = ((used -1)/MAX_LIVE_LEDS_WS) +1; //only serve every n'th LED if count over MAX_LIVE_LEDS_WS
uint16_t pos = (strip.isMatrix ? 4 : 2);
uint16_t bufSize = pos + (used/n)*3;
size_t used = strip.getLengthTotal();
#ifdef ESP8266
const size_t MAX_LIVE_LEDS_WS = 256U;
#else
const size_t MAX_LIVE_LEDS_WS = 1024U;
#endif
size_t n = ((used -1)/MAX_LIVE_LEDS_WS) +1; //only serve every n'th LED if count over MAX_LIVE_LEDS_WS
size_t pos = (strip.isMatrix ? 4 : 2); // start of data
size_t bufSize = pos + (used/n)*3;
size_t skipLines = 0;
AsyncWebSocketMessageBuffer * wsBuf = ws.makeBuffer(bufSize);
if (!wsBuf) return false; //out of memory
uint8_t* buffer = wsBuf->get();
@ -163,11 +177,25 @@ bool sendLiveLedsWs(uint32_t wsClient)
buffer[1] = 2; //version
buffer[2] = Segment::maxWidth;
buffer[3] = Segment::maxHeight;
if (Segment::maxWidth * Segment::maxHeight > MAX_LIVE_LEDS_WS*4) {
buffer[2] = Segment::maxWidth/4;
buffer[3] = Segment::maxHeight/4;
skipLines = 3;
} else if (Segment::maxWidth * Segment::maxHeight > MAX_LIVE_LEDS_WS) {
buffer[2] = Segment::maxWidth/2;
buffer[3] = Segment::maxHeight/2;
skipLines = 1;
}
}
#endif
for (uint16_t i = 0; pos < bufSize -2; i += n)
for (size_t i = 0; pos < bufSize -2; i += n)
{
#ifndef WLED_DISABLE_2D
if (strip.isMatrix && skipLines) {
if ((i/Segment::maxWidth)%(skipLines+1)) i += Segment::maxWidth * skipLines;
}
#endif
uint32_t c = strip.getPixelColor(i);
buffer[pos++] = qadd8(W(c), R(c)); //R, add white channel to RGB channels as a simple RGBW -> RGB map
buffer[pos++] = qadd8(W(c), G(c)); //G