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mp4 video plays but with no sound (W7, f/f 64bit, v75.0)

A .mp4 video clip on the web will play through f/f but with no sound. A .mp3 audio clip plays ok. The laptop sound controls are not muted. The mp4 clip shows a bar at th… (čítať viac)

A .mp4 video clip on the web will play through f/f but with no sound. A .mp3 audio clip plays ok. The laptop sound controls are not muted. The mp4 clip shows a bar at the bottom and on the right there's a symbol that looks like a speaker with a bar through it. There seems no way to change this. The mp4 clip will play perfectly in WMP and from the website on a Samsung phone.

Otázku položil(a) Gra Pred 6 mesiacmi

Na otázku odpovedal(a) jscher2000 Pred 6 mesiacmi

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mp4 problem in Firefox v37.0.2 Windows 8.1

I'm using Firefox with 4 profiles. One of them doesn't work mp4. What could be the problem? When I open mp4 http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4 it s… (čítať viac)

I'm using Firefox with 4 profiles. One of them doesn't work mp4. What could be the problem? When I open mp4 http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4 it says "Video can't be played because the file is corrupted.".

Otázku položil(a) Boray Eris Pred 5 rokmi

Na otázku odpovedal(a) Boray Eris Pred 5 rokmi

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Videos / mp4s will not play in Firefox

Videos, like mp4 Vines, won't play in Firefox. Same with the media files like podcasts in rss feeds. All used to work fine. This is an intermittent problem with Firefox (… (čítať viac)

Videos, like mp4 Vines, won't play in Firefox. Same with the media files like podcasts in rss feeds. All used to work fine. This is an intermittent problem with Firefox ( might be due to updates ) but it doesn't happen with IE or Chrome

If i uninstall VLC player or disable the VLC plugin, nothing happens If i have those installed but the VLC plugin is set to " Never activate ", i can right click on the video image, click " Play " and it opens in VLC player and works perfectly. If i have the plugin set to " always activate " then i see a black square and the message " the video can't be played because the file is corrupt "

Windows 8.1, Firefox 35.

This is an issue with Firefox and needs to be resolved.

Otázku položil(a) Ipcress Pred 5 rokmi

Na otázku odpovedal(a) Ipcress Pred 5 rokmi