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I have .mp4, .m4v, and .mkv videos, all with embedded subtitles that I can see in VLC. How can I see the subtitles in Firefox?

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I have .mp4, .m4v, and .mkv videos, all with embedded subtitles that I can see in VLC.

How can I see the subtitles in Firefox? For now, subtitles are in both French and English.

I have .mp4, .m4v, and .mkv videos, all with embedded subtitles that I can see in VLC. How can I see the subtitles in Firefox? For now, subtitles are in both French and English.

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It is embedded in the video

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That is why I can see the subtitles when I open the video file with VLC. When I put the files on my website and open them from Firefox, I get audio and video and NOT subtitles, and I have found no controls to allow me to see the subtitles.

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hello,

follow the link:

[https://bugzilla.mozilla.org/show_bug.cgi?id=955901]

tell me when resolved your problem.

Thank you

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Not resolved.

Using Win10 1909 (2) Firefox 77.0.1 (64-bit)

On my website, I created and copied: filename.m4v filename.eng.srt filename.eng.vtt filename.fre.srt filename.fre.vtt

an then tried to play "filename.m4v" - video and audio played - no subtitles

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Hi walt.morrey, I don't have any personal experience with this kind of configuration, but there is an article on the MDN site that might help you set up your <video> tags in a way that Firefox will understand:

https://developer.mozilla.org/docs/Web/Guide/Audio_and_video_delivery/Adding_captions_and_subtitles_to_HTML5_video