渐进式生成播放：fMP4 前 4 个分片就绪即返回播放列表开始起播，后台边转边补 ENDLIST，消除整集封装等待的黑屏缓冲

2026-09-18 16:06:31 +08:00
parent 3f8c29b7e2
commit f3546ab2db
7 changed files with 170 additions and 57 deletions
@@ -653,7 +653,7 @@
    statusText.textContent = '正在缓冲…';
    await mediaLoader.load(result, supportsNativePlayback(), signal, offset);
    if (signal.aborted || version !== streamVersion) throw abortError();
-    if (Number.isFinite(video.duration) && video.duration > 0) playbackDuration = video.duration;
+    if (Number.isFinite(video.duration) && video.duration > playbackDuration) playbackDuration = video.duration;
    if (offset > 0) video.currentTime = playbackDuration > 0 ? Math.min(offset, Math.max(0, playbackDuration - 0.05)) : offset;
    video.playbackRate = Number(node('playbackRate').value) || 1;
    loading = false;