Problem with playing AVCHD files
#1
Dear xbmc-(user)colleagues,

I have got a problem with playing AVCHD files from my Synology diskstation (wired). The files are made from my Panasonic digital camera and stored on my NAS.

When I try to play the files, first of all a timer is seen on the screen and the video doesn't play right. The image is like is is being played on 1/10th speed and jerky and the sound is right. Obviously is gets out of of sync. :-)

When i make my own AVCHD folder (BDMV) with the help of Pinnacle Studio, the timer is gone, but the jerkyness and the out of sync problem stays.

MKV (1080p) is played just fine.

Doen anyone know what this can be?

Thank you.
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#2
http://forum.xbmc.org/showthread.php?tid=92480

Can't help with out all of that information.
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#3
Sandwichman Wrote:I have got a problem with playing AVCHD files from my Synology diskstation (wired).

Best of luck getting the ATV to play these. I always assumed it didn't have the horse power, I gave up and installed plex purely for the playback of m2ts. Of course plex requires a plex server to transcode them, which isn't ideal.

Still, get your logs in here and see what others have to say. I will be following this with a keen eye.
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#4
I think we need just the media info more than the logs (but logs never hurt, and always include them when you can!)

http://mediainfo.sourceforge.net

Download that and find out what it says about the files you are playing. It can be pretty long, so paste it to pastebin and link the URL here.

I thought AVCHD files used h.264, but the file might be out of spec or something. I honestly don't know too much about the format, but if you post the media info then someone will be able to tell you if the ATV2 can play it back with hardware decoding.
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#5
AVCHD = H.264 video, but obviously Panasonic could be doing something stupid to the files.
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#6
Ned Scott Wrote:I think we need just the media info more than the logs (but logs never hurt, and always include them when you can!)

http://mediainfo.sourceforge.net

Download that and find out what it says about the files you are playing. It can be pretty long, so paste it to pastebin and link the URL here.

here you go.. http://pastebin.com/X2rhQAZY

[EDIT] snippet of xbmc.log.. http://pastebin.com/x3RXMd6g
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#7
Thank you guys,

I hope to find some time tomorrow to send the media info.

Greets,
Bob
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#8
Just scouring my logs ---

Code:
10:05:58 T:225320960   DEBUG: ReadEditDecisionLists - Assuming 1080i interlaced content. Adjusted frames per second from 50.000 to 25.000

Could this explain the playback that I am getting... slow and about half the speed? or is this some deinterlacing tactic.
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#9
Hey,

Here is the pastebin. I had to delete some rows, because the filesize exceeded 50kb, but i think all usefull info is in it.

http://pastebin.com/mVznGER7

Thank you
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#10
Bump
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#11
All I can suggest is that it looks like AVC is being software decoded, not hardware, which would cause those issues.
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#12
stubbed Wrote:All I can suggest is that it looks like AVC is being software decoded, not hardware, which would cause those issues.

True, you can tell with the 99% cpu usage. We would like to know if this is something which can be fixed, being that it is h264, shouldn't it be decoded in hardware?

Davilla??
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#13
Sandwichman Wrote:Dear xbmc-(user)colleagues,

I have got a problem with playing AVCHD files from my Synology diskstation (wired). The files are made from my Panasonic digital camera and stored on my NAS.

When I try to play the files, first of all a timer is seen on the screen and the video doesn't play right. The image is like is is being played on 1/10th speed and jerky and the sound is right. Obviously is gets out of of sync. :-)

When i make my own AVCHD folder (BDMV) with the help of Pinnacle Studio, the timer is gone, but the jerkyness and the out of sync problem stays.

MKV (1080p) is played just fine.

Doen anyone know what this can be?

Thank you.

AVCHD 1080/60P files from my Panasonic camcorder show these same symptoms on my Acer Revo running Windows XP and XBMC.

If I render those same files to 1080/60i mpg they play smooth.

Ill try the re-rendered files on my ATV2 when I het a chance.
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#14
mediainfo says "Interlaced". I don't know if vtb can deal with that.
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#15
Question 
davilla Wrote:mediainfo says "Interlaced". I don't know if vtb can deal with that.

Is there any way to confirm this?

I've got a library of .MTS HDV2 (1440x1080i) videos from my Panasonic camcorder I'd love to be able to access via XBMC.

Thanks.
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