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file format for iPads

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file format for iPads

Postby Jayell » Mon Oct 31, 2011 1:55 pm

I've been using flv format for displaying videos on my Website, but of course my iPad friends can't access that format. So I switched to H.264 (MP4), which online research suggests is good for iPads. I'm using a ~600 x 400 size video .. and two iPad friends still can't access the file (but my PC friends can). What else do I need to know? :???:
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Re: file format for iPads

Postby Chuck Engels » Mon Oct 31, 2011 2:05 pm

Found this;

iPad and iPad 2 Supported Video Formats & Movie Formats

H.264 video, up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;

MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats;

Motion JPEG (M-JPEG), up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
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Re: file format for iPads

Postby Jayell » Mon Oct 31, 2011 2:30 pm

Yes, I found that same thing, Chuck .. which is why I'm wondering why my file isn't working! ](*,)
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Re: file format for iPads

Postby Chuck Engels » Mon Oct 31, 2011 3:10 pm

Have you compared the settings with your export settings?
The files are very particular about audio settings (ACC-LC up to 160kbps 48khz stereo), and the profile (Level 3.1, Simple). Could also be that you need a standard frame size like 640 x 480 rather than 600 x 400.
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Re: file format for iPads

Postby Jayell » Mon Oct 31, 2011 4:03 pm

May I assume 29.97 is close enough to 30 fps?
I have profile level 3.1 .. but I can't find any settings referencing 'simple.' Any idea what that's telling me?
I shall try a standard frame size and send it off for testing again. :-8 (I used the 600 width size to keep the bit rate high quality for my slow DSL users that start freezing up above about 1Mbps.)
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Re: file format for iPads

Postby sidd finch » Mon Oct 31, 2011 5:07 pm

I remember reading on Vimeo that after a certain amout of time the format is converted to FLV file. Maybe this is the case for where you are posting too?

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Re: file format for iPads

Postby Jayell » Mon Oct 31, 2011 6:37 pm

I'm putting it on my own Website, Sidd :-D
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Re: file format for iPads

Postby Jayell » Fri Nov 04, 2011 9:43 am

For anyone looking for follow-up to my issue of iPaders not being able to view H.264/MP4 videos on my Website ..
I was using JW Player Version 4 to play the videos on my Website. When I switched to the Version 5 player everything fell into place and my iPad buddies could suddenly view the MP4 videos I was posting. :yh:
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Re: file format for iPads

Postby Chuck Engels » Fri Nov 04, 2011 1:44 pm

Ahhh, good to know Jayel, thanks for the update.
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