fix(dash): [PKG-DASH-SEEK-01] recover paused boundary seeks in SDK 4.5.2

docs/compiled/artplayer-plugin-dash-control.mjs

@@ -170,6 +170,59 @@ function createMenu(art, name, icon) {
   return { update, clear };
 }
 const $quality = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" height="18"><path fill="#fff" d="M0 96C0 60.7 28.7 32 64 32l384 0c35.3 0 64 28.7 64 64l0 320c0 35.3-28.7 64-64 64L64 480c-35.3 0-64-28.7-64-64L0 96zM323.8 202.5c-4.5-6.6-11.9-10.5-19.8-10.5s-15.4 3.9-19.8 10.5l-87 127.6L170.7 297c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6l96 0 32 0 208 0c8.9 0 17.1-4.9 21.2-12.8s3.6-17.4-1.4-24.7l-120-176zM112 192a48 48 0 1 0 0-96 48 48 0 1 0 0 96z"/></svg>';
+function createSeekRecovery(value, active) {
+  const sdk = value;
+  try {
+    if (typeof sdk.getVersion !== "function" || sdk.getVersion() !== "4.5.2")
+      return;
+    if (typeof sdk.getVideoElement !== "function" || typeof sdk.getActiveStream !== "function" || typeof sdk.getDashMetrics !== "function")
+      return;
+  } catch {
+    return;
+  }
+  let running = false;
+  return () => {
+    if (running || !active())
+      return;
+    running = true;
+    try {
+      const video = sdk.getVideoElement?.();
+      if (!video?.seeking || !Number.isFinite(video.currentTime))
+        return;
+      const time = video.currentTime;
+      const stream = sdk.getActiveStream?.();
+      const metrics = sdk.getDashMetrics?.();
+      const processors = stream?.getProcessors?.();
+      if (!Array.isArray(processors) || typeof metrics?.getCurrentBufferLevel !== "function" || typeof metrics.addBufferLevel !== "function")
+        return;
+      for (const processor of processors) {
+        if (!active())
+          return;
+        const type = processor.getType?.();
+        if (type !== "audio" && type !== "video")
+          continue;
+        const buffer = processor.getBufferController?.();
+        if (typeof buffer?.getRangeAt !== "function" || typeof buffer.getIsPruningInProgress !== "function" || typeof buffer.getAllRangesWithSafetyFactor !== "function")
+          continue;
+        const cached = metrics.getCurrentBufferLevel(type);
+        const range = buffer.getRangeAt(time);
+        const empty = range === null || range && Number.isFinite(range.end) && range.end <= time;
+        if (!Number.isFinite(cached) || cached <= 0 || !empty || buffer.getIsPruningInProgress() !== false)
+          continue;
+        const removals = buffer.getAllRangesWithSafetyFactor(time);
+        if (!Array.isArray(removals) || removals.length !== 0)
+          continue;
+        if (!active() || sdk.getActiveStream?.() !== stream || sdk.getDashMetrics?.() !== metrics || sdk.getVideoElement?.() !== video || video.currentTime !== time || !video.seeking || !active())
+          return;
+        metrics.addBufferLevel(type, /* @__PURE__ */ new Date(), 0);
+      }
+    } catch (error) {
+      console.warn("ArtPlayer DASH seek buffer refresh failed:", error);
+    } finally {
+      running = false;
+    }
+  };
+}
 function observeSDK(options) {
   let binding;
   const active = (record) => binding === record && options.active(record.dash);
@@ -253,6 +306,9 @@ function observeSDK(options) {
           record.suspended = false;
         schedule(record);
       }]);
+      const recoverSeek = createSeekRecovery(dash, () => active(record) && !record.suspended);
+      if (recoverSeek)
+        entries.push(["playbackSeeking", recoverSeek]);
       entries.push(["playbackTimeUpdated", () => {
         if (!active(record) || record.suspended)
           return;