Youtube video playing problem in Firefox

Randomly, but often Firefox stops to play Youtube video and it really annoys me.

Console log:

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://r1---sn-5buxax3vo51-btqe.googlevideo.com/videoplayback.........................
(Reason: CORS request did not succeed)

never had that issue on firefox.
Looks more like a bug or problem at youtube.

Either you're using an extension which is blocking the request (e.g. NoScript) or it's a server-side issue whereby the particular subdomain being used doesn't match the CORS policy.

Read here for some steps:

Since I have used firefox, this issue annoys me. Chrome works fine.

You didnt provide any extra information though.
Are you using an addon?
Did you try any of the steps provided in the linked thread?

I started firefox in safe mode. Same problem. For more details, Firefox keeps on youtube video in buffering mode, stops to play video, and even doesn't let me click on the video, seems like it freezes. I see this problem in other videos, not only in youtube. Refreshing solves the problem:

firefox -safe-mode

[Child 4952, MediaPlayback #10] WARNING: Decoder=7f8158565c40 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #10] WARNING: Decoder=7f8158565c40 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #11] WARNING: Decoder=7f8158565c40 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #10] WARNING: Decoder=7f8158565c40 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #11] WARNING: Decoder=7f8158565c40 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #4] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #1] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #3] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #3] WARNING: Decoder=7f81529fcb60 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411

###!!! [Parent][DispatchAsyncMessage] Error: PClientSourceOp::Msg___delete__ Route error: message sent to unknown actor ID

[Child 4952, MediaPlayback #1] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #1] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #1] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #3] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #3] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #3] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f815057a200 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #1] WARNING: Decoder=7f81503c67a0 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #1] WARNING: Decoder=7f81503c67a0 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411
[Child 4952, MediaPlayback #2] WARNING: Decoder=7f81503c67a0 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /build/firefox/src/mozilla-unified/dom/media/MediaDecoderStateMachine.cpp, line 3411

###!!! [Parent][DispatchAsyncMessage] Error: PClientSourceOp::Msg___delete__ Route error: message sent to unknown actor ID


###!!! [Parent][DispatchAsyncMessage] Error: PClientSourceOp::Msg___delete__ Route error: message sent to unknown actor ID


###!!! [Parent][DispatchAsyncMessage] Error: PClientSourceOp::Msg___delete__ Route error: message sent to unknown actor ID

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