32 段 EQ（1/3 倍频程 · ±15 dB）
+
@@ -219,6 +225,60 @@ function buildEq(freqs) {
});
}
+/* ---------- EQ 预设 ---------- */
+/* 控制点 = [频率 Hz, 增益 dB], 在对数频率轴上插值成 32 段 —— 比写死 32 个数好维护。 */
+const PRESETS = {
+ "平直": [],
+ "流行": [[60, 2.5], [250, -1], [1000, 1], [4000, 2.5], [12000, 3]],
+ "摇滚": [[60, 5], [250, -2], [1000, -1], [3500, 3], [12000, 5]],
+ "爵士": [[60, 4], [200, 1.5], [800, -1], [3000, 1.5], [12000, 3]],
+ "古典": [[60, 3], [400, -1], [2000, 0.5], [8000, 2], [16000, 3]],
+ "人声": [[100, -3], [500, -1], [2000, 4], [6000, 2], [12000, 1]],
+ "低音": [[40, 7], [120, 5], [300, 2], [1000, 0], [4000, -1]],
+ "高音": [[200, -1], [2000, 1], [6000, 4], [14000, 6]],
+ "深夜": [[60, 4], [200, 3], [1000, 0], [4000, 1], [12000, 3]], // 小音量等响度补偿
+ "柔化": [[3000, -2], [6000, -4], [12000, -5], [16000, -3]], // 削刺耳高频
+};
+function curveTo(pts, freqs) {
+ if (!pts.length) return freqs.map(() => 0);
+ const first = pts[0], last = pts[pts.length - 1];
+ return freqs.map((f) => {
+ if (f <= first[0]) return first[1];
+ if (f >= last[0]) return last[1];
+ for (let i = 0; i < pts.length - 1; i++) {
+ const a = pts[i], b = pts[i + 1];
+ if (f >= a[0] && f <= b[0]) {
+ const t = Math.log(f / a[0]) / Math.log(b[0] / a[0]);
+ return a[1] + (b[1] - a[1]) * t;
+ }
+ }
+ return 0;
+ });
+}
+function applyPreset(name) {
+ const freqs = state ? state.freqs : [];
+ if (!freqs.length) return;
+ const vals = curveTo(PRESETS[name], freqs).map((g) => Math.round(g * 2) / 2); // 对齐 0.5 步进
+ gains = vals.slice();
+ eqBox.querySelectorAll("input").forEach((inp, i) => {
+ inp.value = vals[i];
+ const v = inp.previousElementSibling;
+ v.textContent = vals[i] === 0 ? "" : (vals[i] > 0 ? "+" : "") + vals[i].toFixed(1);
+ });
+ commitEq();
+ say("EQ 预设: " + name);
+}
+function buildPresets() {
+ const box = el("presets");
+ box.innerHTML = "";
+ Object.keys(PRESETS).forEach((name) => {
+ const b = document.createElement("button");
+ b.textContent = name;
+ b.addEventListener("click", () => applyPreset(name));
+ box.appendChild(b);
+ });
+}
+
/* ---------- 电平表 ---------- */
const METERS = [
["inL", "in_rms", 0], ["outL", "out_rms", 0],
@@ -280,6 +340,7 @@ es.onerror = () => say("面板与 DSP 失联, 重连中");
function applyState(d) {
if (state === null) {
+ buildPresets();
buildEq(d.freqs);
gains = d.gains.slice();
eqBox.querySelectorAll("input").forEach((inp) => {
diff --git a/测试/cdp_预设验证.py b/测试/cdp_预设验证.py
new file mode 100644
index 0000000..85ed581
--- /dev/null
+++ b/测试/cdp_预设验证.py
@@ -0,0 +1,53 @@
+"""点 EQ 预设, 验证前端与 DSP 都真的变了。"""
+from __future__ import annotations
+
+import json
+import subprocess
+import time
+import urllib.request
+
+import websocket
+
+API = "http://127.0.0.1:8789"
+page = subprocess.Popen([
+ "google-chrome", "--headless=new", "--disable-gpu", "--remote-debugging-port=9333",
+ "--remote-allow-origins=*", "--user-data-dir=/tmp/cxchrome4", API],
+ stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+time.sleep(4)
+
+tabs = json.load(urllib.request.urlopen("http://127.0.0.1:9333/json/list", timeout=15))
+ws = websocket.create_connection([t for t in tabs if t.get("type") == "page"][0]["webSocketDebuggerUrl"], timeout=25)
+_mid = [0]
+
+
+def js(expr: str) -> object:
+ _mid[0] += 1
+ ws.send(json.dumps({"id": _mid[0], "method": "Runtime.evaluate",
+ "params": {"expression": expr, "returnByValue": True}}))
+ while True:
+ msg = json.loads(ws.recv())
+ if msg.get("id") == _mid[0]:
+ return ((msg.get("result") or {}).get("result") or {}).get("value")
+
+
+print("预设按钮:", js("Array.from(document.querySelectorAll('#presets button')).map(b => b.textContent).join(' / ')"))
+
+for name in ("低音", "柔化"):
+ js("Array.from(document.querySelectorAll('#presets button')).find(b => b.textContent === '%s').click()" % name)
+ time.sleep(0.7)
+ vals = js("Array.from(document.querySelectorAll('#eq input')).map(i => +i.value)")
+ srv = json.load(urllib.request.urlopen(API + "/api/state", timeout=15))
+ print()
+ print("点[%s] 前端前6段 = %s" % (name, [round(v, 1) for v in vals[:6]]))
+ print(" 前端后6段 = %s" % [round(v, 1) for v in vals[-6:]])
+ print(" 服务端前6 = %s 后6 = %s" % (
+ [round(g, 1) for g in srv["gains"][:6]], [round(g, 1) for g in srv["gains"][-6:]]))
+ print(" 状态栏 =", js("document.getElementById('status').textContent"))
+
+# 收尾: 回到平直
+js("Array.from(document.querySelectorAll('#presets button')).find(b => b.textContent === '平直').click()")
+time.sleep(0.5)
+print()
+print("已复位到平直:", js("Array.from(document.querySelectorAll('#eq input')).every(i => +i.value === 0)"))
+ws.close()
+page.terminate()