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MP4 video problem in Firefox 35.0.1

  • 6 odgovora
  • 9 ima ovaj problem
  • 3 prikaza
  • Posljednji odgovor od CC001

DYR
DYR
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Hi Everyone,

I see that problems with MP4 playback are fairly common but I couldn't find a solution to my problem in any of the several questions and answers I've reviewed.

When I comment out the OGG code at http://www.deiryassin.org/video.html I cannot get the MP4 file to play. The OGG file play back in Firefox is just fine. Someone else who uses the latest version of Safari for the Mac OS was not able to get reliable MP4 playback, either. Per w3schools.com, MP4 is a supported fiie type in both Safari and Firefox.

I don't know how to embed HTML in this question so please see the attached PNG file for the code I used for testing MP4 playback. The MP4 file location is correct and the file is not corrupted, it plays fine when I download it.

When I try to play it in Firefox the browser console/error log says: "Specified 'type' attribute of 'video/mp4' is not supported. Load of media resource /media/deiryassinremembered.mp4 failed." The browser displays: "No video with supported format and MIME type found".

Here are the codecs for the file: Codec: H264 - MPEG-4 AVC (part 10) (avc1) Codec: MPEG AAC Audio (mp4a)

The following lines are in my .htaccess:

AddType video/mp4 mp4 m4v AddType audio/mp4 m4a

I've re-enabled the OGG source for visitors to the site. Any ideas on what I'm doing wrong?

Thanks.

Hi Everyone, I see that problems with MP4 playback are fairly common but I couldn't find a solution to my problem in any of the several questions and answers I've reviewed. When I comment out the OGG code at http://www.deiryassin.org/video.html I cannot get the MP4 file to play. The OGG file play back in Firefox is just fine. Someone else who uses the latest version of Safari for the Mac OS was not able to get reliable MP4 playback, either. Per w3schools.com, MP4 is a supported fiie type in both Safari and Firefox. I don't know how to embed HTML in this question so please see the attached PNG file for the code I used for testing MP4 playback. The MP4 file location is correct and the file is not corrupted, it plays fine when I download it. When I try to play it in Firefox the browser console/error log says: "Specified 'type' attribute of 'video/mp4' is not supported. Load of media resource /media/deiryassinremembered.mp4 failed." The browser displays: "No video with supported format and MIME type found". Here are the codecs for the file: Codec: H264 - MPEG-4 AVC (part 10) (avc1) Codec: MPEG AAC Audio (mp4a) The following lines are in my .htaccess: AddType video/mp4 mp4 m4v AddType audio/mp4 m4a I've re-enabled the OGG source for visitors to the site. Any ideas on what I'm doing wrong? Thanks.
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Svi odgovori (6)

FredMcD
FredMcD
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I've called the big guys to help you. Good luck.

FredMcD
FredMcD
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Flash Player Test Page YouTube Test Page: What video does this browser support

cor-el
cor-el
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  • Top 10 Contributor
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Both the MP4 file and the OGG file work for me on Linux (the latter takes some time to start up), so there is nothing wrong with the files. If the MP4 file doesn't play then it is possible that you do not have a codec to handle this file.

DYR
DYR Vlasnik pitanja
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cor-el said

Both the MP4 file and the OGG file work for me on Linux (the latter takes some time to start up), so there is nothing wrong with the files. If the MP4 file doesn't play then it is possible that you do not have a codec to handle this file.

Thanks, cor-el, for letting me know the files work on a Linux machine. The MP4 file plays fine on this machine with the VLC Media Player. I wonder if the problem is that the MP4 file uses the H264 - MPEG-4 AVC (part 10) codec while Firefox perhaps only supports the "part 14" container.

DYR
DYR Vlasnik pitanja
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deiryassin said

I wonder if the problem is that the MP4 file uses the H264 - MPEG-4 AVC (part 10) codec while Firefox perhaps only supports the "part 14" container.

I've ruled out part 10 vs. part 14. The Big Buck Bunny video used by the MDN uses the same part 10 video codec.

CC001
CC001
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Works fine in HTML5.

Here's the add-on if you feel like giving HTML5 a go https://addons.mozilla.org/en-us/firefox/addon/html5-video-everywhere/