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jooz · 2010-01-17, 03:56

Aleksandr Wrote:My Crystal HD ATV is also suffering from this stuttering. It seems like it's doing something weird with refresh rates when it stutters; possibly flickering in-between 60Hz and 50Hz. My untrained eyes couldn't see anything to explain it in the log, but here's the pastebin anyway. Lots of scrobbling rubbish, playback starts after line ~935.

My .log file looks the same and im having the same issues eaven tho i dont have Crystal HD. So dont think it has anything to do with your hardware.

Just wanted you to know.

herod98 · 2010-01-18, 03:58

SVN build 26936 has corrected the issue I was having with low Frame-per-second playback of 1080p content.

I'm now getting 24 fps with about 55% cpu useage!

http://todayguesswhat.blogspot.com/2010/...le-tv.html

herod98 · 2010-01-18, 08:13

herod98 Wrote:SVN build 26936 has corrected the issue I was having with low Frame-per-second playback of 1080p content.

I'm now getting 24 fps with about 55% cpu useage!

http://todayguesswhat.blogspot.com/2010/...le-tv.html

Hmm.. posted too soon.. after about 10 minutes.. bumpy ride commenced

jooz · 2010-01-18, 16:12

herod98 Wrote:Hmm.. posted too soon.. after about 10 minutes.. bumpy ride commenced

I updated to that latest SVN and i didnt see any difference. As you said, bumby ride.

I got a tip to change the sound source to a regular stereo mp3. It fixed some things but still to bumby for me to watch (again this is only 720p and not Crystal HD)

I have left XBMC for now. Using "Sapphire" and it plays like its should be excelent quality. Will continue to do my small tests but to unstable as it is now.

Aleksandr · 2010-01-19, 02:46

@jooz: From reading your posts, and given that you aren't using Crystal HD, it seems like you are feeding the Apple TV files it just can't play. Try encoding a movie using the Apple TV preset in HandBrake.

The issues with stuttering using Crystal HD in this thread are known and Davilla is looking into it. We're just impatiently trying to figure it out anyway.

runelind · 2010-01-20, 03:28

I've been feeling a bit like I've been talking to myself with regards to my streaming problems, so I was wondering if I was an isolated case or if this is a common problem. The issue I run into is that when I'm trying to stream over the wired connection, playback is very choppy. Local playback works great.

This is the case with both http and smb. It works a bit better with http, but definitely not smooth.

The issue is documented at http://forum.xbmc.org/showthread.php?tid=67394

Don't mean to be a bother by starting a new thread, but was curious if streaming files and decoding them successfully with the CHD card works for anyone at all.

runelind · 2010-01-20, 04:07

NFS streaming seems to be the best so far, but still not "smooth" - it will lose a couple of frames a second and I'll get bad blocking in certain parts.

I also noticed that my system load seems to be close to if not above 1.00 in top, don't know if that is related.

donut · 2010-01-20, 04:38

I get occassional hicup using SMB from my WHS box. When it does hicup audio gets out of sync and down hill from there. All files tested so far been 720p encoded mp4's that stream fine to aTV using frontrow/iTunes.

iscraigh · 2010-01-20, 06:38

I am having the same issue streaming recorded shows from my Mythtv backend. Audio is 1 to 2 seconds ahead tried every possible setting to now avail. cpu 90% Hauppauge hdpvr used to record.

Some stuff plays ok I believe it is the interlaced content recorded by firewire
18 to 30 fps

The stuff that does not play well usually shows up as 55 to 60 fps

so that leads be to believe that 1080I content is ok 720p is a no go for audio sync picture looks great though.

Craig

runelind · 2010-01-20, 06:47

iscraigh Wrote:I am having the same issue streaming recorded shows from my Mythtv backend. Audio is 1 to 2 seconds ahead tried every possible setting to now avail. cpu 90% Hauppauge hdpvr used to record.

Some stuff plays ok I believe it is the interlaced content recorded by firewire
18 to 30 fps

The stuff that does not play well usually shows up as 55 to 60 fps

so that leads be to believe that 1080I content is ok 720p is a no go for audio sync picture looks great though.

Craig

Have you tried copying content locally to see if it plays ok? I haven't had anything that doesn't play well locally.

prae5 · 2010-01-20, 11:28

Not that it helps, but working pretty much perfectly here.

Maybe 1 out of 20 files has some stuttering, however a quick skip will fix that.

runelind · 2010-01-21, 01:05

prae5 Wrote:Not that it helps, but working pretty much perfectly here.

Maybe 1 out of 20 files has some stuttering, however a quick skip will fix that.

What source/protocol are you using? HTTP/SMB/NFS, etc?