diff --git a/app/library/SegmentEncoders.py b/app/library/SegmentEncoders.py
index fb333fc3..eb42a828 100644
--- a/app/library/SegmentEncoders.py
+++ b/app/library/SegmentEncoders.py
@@ -180,10 +180,8 @@ class QsvBuilder(_BaseBuilder):
             new_args += [
                 "-vf",
                 "scale=trunc(iw/2)*2:trunc(ih/2)*2,format=nv12,hwupload=extra_hw_frames=64",
-                # Favor widely-supported constant quality path and disable LA
-                "-b:v",
-                "0",
-                "-global_quality",
+                # Use ICQ (Intelligent Constant Quality) ratecontrol mode with quality level
+                "-q:v",
                 "23",
                 "-look_ahead",
                 "0",
diff --git a/ui/app/components/VideoPlayer.vue b/ui/app/components/VideoPlayer.vue
index e26407ad..1c4580ef 100644
--- a/ui/app/components/VideoPlayer.vue
+++ b/ui/app/components/VideoPlayer.vue
@@ -721,22 +721,16 @@ const src_error = async () => {
     return
   }
 
-  // If we already successfully captured a frame, that means the streamed video codec is working.
-  if (havePoster.value) {
-    return
-  }
-
   await nextTick()
   if (destroyed.value) {
     return
   }
 
-  // Check if video is actually paused.
-  if (video.value && video.value.paused) {
+  if (video.value && (notFirefox && video.value.paused)) {
     return
   }
 
-  console.warn('Source failed to load, attempting HLS fallback...')
+  console.warn('Source failed to load, attempting HLS fallback via hls.js...')
   attach_hls(makeDownload(config, props.item, 'm3u8'))
 }