add more debug to diagnose h264

2026-03-06 13:48:47 -06:00
parent 124f6ba46c
commit e4a93503d1
3 changed files with 54 additions and 5 deletions
@@ -486,18 +486,44 @@ import { encodeMsgpack, decodeMsgpack } from "./msgpack-helpers.js";
    h264TimestampUs = 0;
  }

+  function normalizeFallbackReason(reason) {
+    if (!reason) return "unspecified";
+    if (typeof reason === "string") return reason;
+    if (reason instanceof Error) return reason.message || String(reason);
+    if (typeof reason === "object") {
+      if (typeof reason.message === "string" && reason.message) {
+        return reason.message;
+      }
+      if (typeof reason.name === "string" && reason.name) {
+        return reason.name;
+      }
+      try {
+        return JSON.stringify(reason);
+      } catch {
+        return String(reason);
+      }
+    }
+    return String(reason);
+  }
+
  function fallbackToJpegCodec(reason) {
    if (!prefersH264) return;
+    const reasonText = normalizeFallbackReason(reason);
    prefersH264 = false;
    h264LowFpsStreak = 0;
    destroyVideoDecoder();
    if (codecH264) codecH264.checked = false;
    localStorage.setItem(codecPrefKey, "0");
-    console.warn("rd: falling back to jpeg codec", reason || "");
+    console.warn("rd: falling back to jpeg codec", reasonText);
    const q = Number(qualitySlider?.value) || 90;
    setCodecModeLabel("jpeg", "fallback");
    if (ws.readyState === WebSocket.OPEN) {
-      sendCmd("desktop_set_quality", { quality: q, codec: "jpeg" });
+      sendCmd("desktop_set_quality", {
+        quality: q,
+        codec: "jpeg",
+        source: "viewer_fallback",
+        reason: reasonText,
+      });
    }
  }