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2009-10-13
, 18:42
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@ ˙ǝɹǝɥʍou
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#22
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@bratag: 720p means 1280x720 or so.
Here's an older thread about running (non-mkv specific) high def stream on cortex A8 devices:
http://talk.maemo.org/showthread.php?t=30917
Last edited by ysss; 2009-10-13 at 18:46.
Here's an older thread about running (non-mkv specific) high def stream on cortex A8 devices:
http://talk.maemo.org/showthread.php?t=30917
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Last edited by ysss; 2009-10-13 at 18:46.
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2009-10-13
, 18:46
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#23
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Originally Posted by ysss
Ahh my bad - was thinking 720 pixels - not 720p. New baby making brain drip out ears.
@bratag: 720p means 1280x720 or so.
Still a damn nice vid though
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2009-10-13
, 18:50
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Posts: 292 |
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Joined on Oct 2007
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#24
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Originally Posted by Bratag
720x400 is not 720p.
This is a fairly nice example of 720x400 being played at a respectable 4.2Mbps.
720p is defined as 1,280x720.
see: http://en.wikipedia.org/wiki/High-de...ay_resolutions
In HD the resolution is measured in the number of vertical pixels.
EDIT: Opps, Someone beat me to it
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2009-10-13
, 21:29
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Posts: 2,121 |
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Joined on Mar 2008
@ Oxford, UK
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#25
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It's a shame N900 if can't play existing 720p vids without down-converting.
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2009-10-13
, 22:01
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Joined on Aug 2009
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#26
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Originally Posted by pelago
So it couldn't play the sample videos that were posted?
It's a shame N900 if can't play existing 720p vids without down-converting.
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2009-10-13
, 22:32
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Posts: 46 |
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Joined on Sep 2009
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#27
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Originally Posted by pelago
It is a bit of a shame but personally I'd down-convert to native res for battery and space improvements.
It's a shame N900 if can't play existing 720p vids without down-converting.
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2009-10-14
, 09:50
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Posts: 2,121 |
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@ Oxford, UK
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#28
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Originally Posted by bocaJ
I don't know, as I don't have an N900. I was going by yerga's comment:
So it couldn't play the sample videos that were posted?
Originally Posted by yerga
Has anyone else tried the sample files to get a second (or third) opinion?
Yes, Matroska isn't supported out of the box. The media player doesn't even index these files.
And apart from it, 720p could be possible with some highly optimized codec, but it won't be easy.
I haven't found any 720p video that the N900 plays.
VLC and mplayer try to play the 720p videos, but they are very slow and completely unwatchable.
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2009-10-14
, 10:15
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Joined on Aug 2009
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#29
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It should be possible, my i8910, which has the same hardware plays 720p video without a problem (and many 1080p videos also). Heck, the i8910 can record in 720p, so the hardware here really shouldn't be the limiting step in the equation...
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2009-10-26
, 16:04
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Joined on Oct 2009
@ London, UK
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#30
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To get the n900 media player to recognise mkv files, you need to do as root after installing the extra gstreamer packages:
tracker-register-mimetype -c Videos -a video/x-matroska
I guess someone should create a meta package for all the container types not supported and have this kind of command added to the postinstall of the package
tracker-register-mimetype -c Videos -a video/x-matroska
I guess someone should create a meta package for all the container types not supported and have this kind of command added to the postinstall of the package
I think 720p and especially 1080p content would have to be really low complexity and bitrate to play back on a 600 MHz Cortex CPU/DSP… and the decoder would have to be optimised for NEON or something similar.