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chore: commit all pending changes

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Smittix
2026-02-23 16:51:32 +00:00
parent 94b358f686
commit 7241dbed35
19 changed files with 946 additions and 308 deletions
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164
static/js/modes/sstv-general.js
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@@ -15,13 +15,21 @@ const SSTVGeneral = (function() {
let sstvGeneralScopeCtx = null;
let sstvGeneralScopeAnim = null;
let sstvGeneralScopeHistory = [];
let sstvGeneralScopeWaveBuffer = [];
let sstvGeneralScopeDisplayWave = [];
const SSTV_GENERAL_SCOPE_LEN = 200;
const SSTV_GENERAL_SCOPE_WAVE_BUFFER_LEN = 2048;
const SSTV_GENERAL_SCOPE_WAVE_INPUT_SMOOTH_ALPHA = 0.55;
const SSTV_GENERAL_SCOPE_WAVE_DISPLAY_SMOOTH_ALPHA = 0.22;
const SSTV_GENERAL_SCOPE_WAVE_IDLE_DECAY = 0.96;
let sstvGeneralScopeRms = 0;
let sstvGeneralScopePeak = 0;
let sstvGeneralScopeTargetRms = 0;
let sstvGeneralScopeTargetPeak = 0;
let sstvGeneralScopeMsgBurst = 0;
let sstvGeneralScopeTone = null;
let sstvGeneralScopeLastWaveAt = 0;
let sstvGeneralScopeLastInputSample = 0;
/**
* Initialize the SSTV General mode
@@ -205,20 +213,64 @@ const SSTVGeneral = (function() {
/**
* Initialize signal scope canvas
*/
function resizeSstvGeneralScopeCanvas(canvas) {
if (!canvas) return;
const rect = canvas.getBoundingClientRect();
const dpr = window.devicePixelRatio || 1;
const width = Math.max(1, Math.floor(rect.width * dpr));
const height = Math.max(1, Math.floor(rect.height * dpr));
if (canvas.width !== width || canvas.height !== height) {
canvas.width = width;
canvas.height = height;
}
}
function applySstvGeneralScopeData(scopeData) {
if (!scopeData || typeof scopeData !== 'object') return;
sstvGeneralScopeTargetRms = Number(scopeData.rms) || 0;
sstvGeneralScopeTargetPeak = Number(scopeData.peak) || 0;
if (scopeData.tone !== undefined) {
sstvGeneralScopeTone = scopeData.tone;
}
if (Array.isArray(scopeData.waveform) && scopeData.waveform.length) {
for (const packedSample of scopeData.waveform) {
const sample = Number(packedSample);
if (!Number.isFinite(sample)) continue;
const normalized = Math.max(-127, Math.min(127, sample)) / 127;
sstvGeneralScopeLastInputSample += (normalized - sstvGeneralScopeLastInputSample) * SSTV_GENERAL_SCOPE_WAVE_INPUT_SMOOTH_ALPHA;
sstvGeneralScopeWaveBuffer.push(sstvGeneralScopeLastInputSample);
}
if (sstvGeneralScopeWaveBuffer.length > SSTV_GENERAL_SCOPE_WAVE_BUFFER_LEN) {
sstvGeneralScopeWaveBuffer.splice(0, sstvGeneralScopeWaveBuffer.length - SSTV_GENERAL_SCOPE_WAVE_BUFFER_LEN);
}
sstvGeneralScopeLastWaveAt = performance.now();
}
}
function initSstvGeneralScope() {
const canvas = document.getElementById('sstvGeneralScopeCanvas');
if (!canvas) return;
const rect = canvas.getBoundingClientRect();
canvas.width = rect.width * (window.devicePixelRatio || 1);
canvas.height = rect.height * (window.devicePixelRatio || 1);
if (sstvGeneralScopeAnim) {
cancelAnimationFrame(sstvGeneralScopeAnim);
sstvGeneralScopeAnim = null;
}
resizeSstvGeneralScopeCanvas(canvas);
sstvGeneralScopeCtx = canvas.getContext('2d');
sstvGeneralScopeHistory = new Array(SSTV_GENERAL_SCOPE_LEN).fill(0);
sstvGeneralScopeWaveBuffer = [];
sstvGeneralScopeDisplayWave = [];
sstvGeneralScopeRms = 0;
sstvGeneralScopePeak = 0;
sstvGeneralScopeTargetRms = 0;
sstvGeneralScopeTargetPeak = 0;
sstvGeneralScopeMsgBurst = 0;
sstvGeneralScopeTone = null;
sstvGeneralScopeLastWaveAt = 0;
sstvGeneralScopeLastInputSample = 0;
drawSstvGeneralScope();
}
@@ -228,12 +280,14 @@ const SSTVGeneral = (function() {
function drawSstvGeneralScope() {
const ctx = sstvGeneralScopeCtx;
if (!ctx) return;
resizeSstvGeneralScopeCanvas(ctx.canvas);
const W = ctx.canvas.width;
const H = ctx.canvas.height;
const midY = H / 2;
// Phosphor persistence
ctx.fillStyle = 'rgba(5, 5, 16, 0.3)';
ctx.fillStyle = 'rgba(5, 5, 16, 0.26)';
ctx.fillRect(0, 0, W, H);
// Smooth towards target
@@ -256,32 +310,84 @@ const SSTVGeneral = (function() {
ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x, H); ctx.stroke();
}
// Waveform
const stepX = W / (SSTV_GENERAL_SCOPE_LEN - 1);
ctx.strokeStyle = '#c080ff';
ctx.lineWidth = 1.5;
ctx.shadowColor = '#c080ff';
ctx.shadowBlur = 4;
// Upper half
// Envelope
const envStepX = W / (SSTV_GENERAL_SCOPE_LEN - 1);
ctx.strokeStyle = 'rgba(168, 110, 255, 0.45)';
ctx.lineWidth = 1;
ctx.beginPath();
for (let i = 0; i < sstvGeneralScopeHistory.length; i++) {
const x = i * stepX;
const amp = sstvGeneralScopeHistory[i] * midY * 0.9;
const x = i * envStepX;
const amp = sstvGeneralScopeHistory[i] * midY * 0.85;
const y = midY - amp;
if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y);
}
ctx.stroke();
// Lower half (mirror)
ctx.beginPath();
for (let i = 0; i < sstvGeneralScopeHistory.length; i++) {
const x = i * stepX;
const amp = sstvGeneralScopeHistory[i] * midY * 0.9;
const x = i * envStepX;
const amp = sstvGeneralScopeHistory[i] * midY * 0.85;
const y = midY + amp;
if (i === 0) ctx.moveTo(x, y); else ctx.lineTo(x, y);
}
ctx.stroke();
// Actual waveform trace
const waveformPointCount = Math.min(Math.max(120, Math.floor(W / 3.2)), 420);
if (sstvGeneralScopeWaveBuffer.length > 1) {
const waveIsFresh = (performance.now() - sstvGeneralScopeLastWaveAt) < 1000;
const sourceLen = sstvGeneralScopeWaveBuffer.length;
const sourceWindow = Math.min(sourceLen, 1536);
const sourceStart = sourceLen - sourceWindow;
if (sstvGeneralScopeDisplayWave.length !== waveformPointCount) {
sstvGeneralScopeDisplayWave = new Array(waveformPointCount).fill(0);
}
for (let i = 0; i < waveformPointCount; i++) {
const a = sourceStart + Math.floor((i / waveformPointCount) * sourceWindow);
const b = sourceStart + Math.floor(((i + 1) / waveformPointCount) * sourceWindow);
const start = Math.max(sourceStart, Math.min(sourceLen - 1, a));
const end = Math.max(start + 1, Math.min(sourceLen, b));
let sum = 0;
let count = 0;
for (let j = start; j < end; j++) {
sum += sstvGeneralScopeWaveBuffer[j];
count++;
}
const targetSample = count > 0 ? (sum / count) : 0;
sstvGeneralScopeDisplayWave[i] += (targetSample - sstvGeneralScopeDisplayWave[i]) * SSTV_GENERAL_SCOPE_WAVE_DISPLAY_SMOOTH_ALPHA;
}
ctx.strokeStyle = waveIsFresh ? '#c080ff' : 'rgba(192, 128, 255, 0.45)';
ctx.lineWidth = 1.7;
ctx.shadowColor = '#c080ff';
ctx.shadowBlur = waveIsFresh ? 6 : 2;
const stepX = waveformPointCount > 1 ? (W / (waveformPointCount - 1)) : W;
ctx.beginPath();
const firstY = midY - (sstvGeneralScopeDisplayWave[0] * midY * 0.9);
ctx.moveTo(0, firstY);
for (let i = 1; i < waveformPointCount - 1; i++) {
const x = i * stepX;
const y = midY - (sstvGeneralScopeDisplayWave[i] * midY * 0.9);
const nx = (i + 1) * stepX;
const ny = midY - (sstvGeneralScopeDisplayWave[i + 1] * midY * 0.9);
const cx = (x + nx) / 2;
const cy = (y + ny) / 2;
ctx.quadraticCurveTo(x, y, cx, cy);
}
const lastX = (waveformPointCount - 1) * stepX;
const lastY = midY - (sstvGeneralScopeDisplayWave[waveformPointCount - 1] * midY * 0.9);
ctx.lineTo(lastX, lastY);
ctx.stroke();
if (!waveIsFresh) {
for (let i = 0; i < sstvGeneralScopeDisplayWave.length; i++) {
sstvGeneralScopeDisplayWave[i] *= SSTV_GENERAL_SCOPE_WAVE_IDLE_DECAY;
}
}
}
ctx.shadowBlur = 0;
// Peak indicator
@@ -317,8 +423,17 @@ const SSTVGeneral = (function() {
else { toneLabel.textContent = 'QUIET'; toneLabel.style.color = '#444'; }
}
if (statusLabel) {
if (sstvGeneralScopeRms > 500) { statusLabel.textContent = 'SIGNAL'; statusLabel.style.color = '#0f0'; }
else { statusLabel.textContent = 'MONITORING'; statusLabel.style.color = '#555'; }
const waveIsFresh = (performance.now() - sstvGeneralScopeLastWaveAt) < 1000;
if (sstvGeneralScopeRms > 900 && waveIsFresh) {
statusLabel.textContent = 'DEMODULATING';
statusLabel.style.color = '#c080ff';
} else if (sstvGeneralScopeRms > 500) {
statusLabel.textContent = 'CARRIER';
statusLabel.style.color = '#e0b8ff';
} else {
statusLabel.textContent = 'QUIET';
statusLabel.style.color = '#555';
}
}
sstvGeneralScopeAnim = requestAnimationFrame(drawSstvGeneralScope);
@@ -330,6 +445,11 @@ const SSTVGeneral = (function() {
function stopSstvGeneralScope() {
if (sstvGeneralScopeAnim) { cancelAnimationFrame(sstvGeneralScopeAnim); sstvGeneralScopeAnim = null; }
sstvGeneralScopeCtx = null;
sstvGeneralScopeWaveBuffer = [];
sstvGeneralScopeDisplayWave = [];
sstvGeneralScopeHistory = [];
sstvGeneralScopeLastWaveAt = 0;
sstvGeneralScopeLastInputSample = 0;
}
/**
@@ -353,9 +473,7 @@ const SSTVGeneral = (function() {
if (data.type === 'sstv_progress') {
handleProgress(data);
} else if (data.type === 'sstv_scope') {
sstvGeneralScopeTargetRms = data.rms;
sstvGeneralScopeTargetPeak = data.peak;
if (data.tone !== undefined) sstvGeneralScopeTone = data.tone;
applySstvGeneralScopeData(data);
}
} catch (err) {
console.error('Failed to parse SSE message:', err);