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Wrong Aspect Ratio used by MythVideo (MPlayer) SOLVED
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Author:  ed3120 [ Mon Apr 17, 2006 7:45 am ]
Post subject:  Wrong Aspect Ratio used by MythVideo (MPlayer) SOLVED

MythVideo stretchs all of my video files so that they are wider than they are supposed to be. I understand that I need to adjust the parameters on the mplayer command in MythVideo setup. I'm currently using the default Knoppmyth parameters.

I have an HDTV, with the obvious aspect ratio of 16:9, which fully displays an HD recording, also with the obvious aspect ratio of 16:9. When I play one of my HD recordings (recorded by Myth), MythVideo (mplayer) squashs the video and adds black bars to the top and bottom.

Author:  cecil [ Mon Apr 17, 2006 11:30 am ]
Post subject:  Re: Wrong Aspect Ratio used by MythVideo (MPlayer)

ed3120 wrote:
I understand that I need to adjust the parameters on the mplayer command in MythVideo setup.
So, what is the problem? Change it. If memories serves -monitoraspect 16x9. You can also, search or man mplayer...

Author:  ed3120 [ Tue May 02, 2006 7:44 am ]
Post subject: 

Ok, I tried using this on my 16:9 TV:

Quote:
mplayer -fs -zoom -aspect 16:9 -vo xv %s


...which continues to squash my video files. So I tried this...

Quote:
mplayer -fs -zoom -aspect 4:3 -vo xv %s


....which for some reason makes my 16:9 HDTV videos play perfectly. (I don't understand, at I am running Myth at 1920x1080.

Unfortunately, this mode squashes my 4:3 videos. Isn't there a way to get mplayer to adjust automatically? It is really annoying to go into Mythvideo setup and change the command line everytime I want to go from watching a 16:9 video to a 4:3 video.

Author:  marc.aronson [ Tue May 02, 2006 9:03 am ]
Post subject: 

Just taking a guess, but based on the mplayer man page, "-aspect" is used to specify the aspect ratio of the video you are playing; "-monitoraspect" is used to specify the aspect ratio of the monitor. Did you try "-monitoraspect 16:9"? The outcome might be very different than using "-aspect".

Marc

Author:  aaronb [ Tue May 02, 2006 11:14 am ]
Post subject: 

marc.aronson wrote:
Just taking a guess, but based on the mplayer man page, "-aspect" is used to specify the aspect ratio of the video you are playing; "-monitoraspect" is used to specify the aspect ratio of the monitor. Did you try "-monitoraspect 16:9"? The outcome might be very different than using "-aspect".

Marc


ed3120, I had the same problem and this is what solved it.

Author:  ed3120 [ Wed May 03, 2006 7:41 am ]
Post subject: 

Thanks, that fixed it. My new mplayer line is:

Code:
mplayer -fs -zoom -monitoraspect 16:9 -vo xv %s

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