AppleTV 2 (black) - iOS 5.1 & XBMC

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shusuke028 Offline
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Post: #136
Alright I just did a fresh jailbreak on my 5.0 ATV2, however when I try to follow the list of steps, I get to the third one "apt-get install org.xbmc.xbmc-atv2" and I get:
E: Package org.xbmc.xbmc-atv2 has no installation candidate



What's the problem?? I made the directory as described in the previous step. Help plz
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Ned Scott Offline
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Post: #137
(2012-04-16 04:36)shusuke028 Wrote:  Alright I just did a fresh jailbreak on my 5.0 ATV2, however when I try to follow the list of steps, I get to the third one "apt-get install org.xbmc.xbmc-atv2" and I get:
E: Package org.xbmc.xbmc-atv2 has no installation candidate



What's the problem?? I made the directory as described in the previous step. Help plz

Did you follow the instructions for ATV iOS 5.0?: http://forum.xbmc.org/showthread.php?tid=127369

You can make easy links to the XBMC wiki using double brackets around common XBMC words: [[debug log]] = debug log, [[Video library]] = Video library, [[SMB]] = SMB , [[userdata]] = userdata, etc
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langdoy Offline
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Post: #138
Anyone else getting constant buffering? I got everything working with the jailbreak and installed XBMC but streaming any movies to the aTV2 from my NAS is always having buffering stops. I know it's not the NAS and network because I'm hardwired and streaming to the Macbook Pro and iPad1 have no buffering issues.

Is the ATV2 just not capable of handling the video formats? I've tried everything from NFS, turning options off, and clearing the cache.
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Ned Scott Offline
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Post: #139
iOS FAQ will tell you what formats the ATV2 will playback smoothly. Most likely you are trying to playback HD (720+) movies that aren't in h.264.

You can make easy links to the XBMC wiki using double brackets around common XBMC words: [[debug log]] = debug log, [[Video library]] = Video library, [[SMB]] = SMB , [[userdata]] = userdata, etc
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elcaballo Offline
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Post: #140
I am having some weirdness with 5.1 and Take3 or 11.0-3 or whatever.

I upgraded from 4.2.2/Eden (I think it was) and was immediately impressed. I don't know if it was just from wiping the ATV and starting over or if it was from improvements but menus seemed faster. It also buffered a little less then before on my toughest file (Hugo in 720) although it did still buffer during the intro. My reference file (Dark Knight in 720) seemed to play perfectly.

But then I played a SD TV episode and noticed a weird intermittent but constant hitch or pop in the video: a raised arm would suddenly pop or warp up quickly or head movement would look like an 80s breakdancing video.

The audio plays perfectly though, no matter what, and I seem to have no problems with HD content.

Here are my log files. I watched two SD episodes that have the problem and then another SD episode that doesn't.

ATV2 running 5.1 and 11.0-3

xbmc log
syslog
crashreporter
(This post was last modified: 2012-04-26 06:45 by elcaballo.)
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Memphiz Offline
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Post: #141
Nothing to see but some discontinuity errors which indicate close to buffering/network bandwith/cpu maxed out - problem.

Do you have deinterlacing turned on or turned to auto? Maybe your episodes are detected as interlaced by failure and this kicks the de-interlacer in which just maxes out the cpu then?

AppleTV2/iPhone/iPod: HowTo find debug logs and everything else which the devs like so much: click here
HowTo setup NFS for XBMC: Wiki NFS
HowTo configure avahi (zeroconf): Wiki Avahi
READ THE IOS FAQ!: iOS FAQ
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elcaballo Offline
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Post: #142
I just checked and deinterlacing is off. I also just nuked my userdata folder. No improvement.

It's very weird. Like I said, it plays most 720p content fine and a lot of SD stuff also looks perfect. But these particular shows (Daily Show/Colbert Report) have this weird jerky playback. EDIT: I have now found some other shows which have the same problem, but still, a lot of SD stuff plays fine.

And they played fine before I upgraded ATV2.

EDIT: Also I should have mentioned that the ATV2 is connected to a WiFi-N network with full signal strength and it's pretty much the only device on that WiFi network.
(This post was last modified: 2012-04-26 16:56 by elcaballo.)
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sams0n Offline
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Post: #143
daily show and colbert report are encoded at 60 fps which the apple tv can have trouble playing back. the xvid version is 30 fps and should play fine.

http://forum.xbmc.org/showthread.php?tid=103957
(This post was last modified: 2012-04-26 17:59 by sams0n.)
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WisdomWolf Offline
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Post: #144
(2012-04-26 17:58)sams0n Wrote:  daily show and colbert report are encoded at 60 fps which the apple tv can have trouble playing back. the xvid version is 30 fps and should play fine.

http://forum.xbmc.org/showthread.php?tid=103957

The problem that he is having appears to be with the SD versions of the show based on his log. I have the same issue with the Daily Show, but the hiccup errors only seem to appear on SD at 30fps, all the 24fps stuff plays fine. I'm still on 5.0, but have the same problem. After perusing the log a bit for differences between The Daily Show/Colbert Report vs Glee (which I assume is the SD show that worked) the only difference I noticed was this:

23:02:20 T:133009408 DEBUG: CDVDPlayer::HandleMessages - player started 2
23:02:20 T:133009408 DEBUG: CDVDPlayer::SetCaching - caching state 3

The first two both started with caching state 0. I have no idea if this is relevant, but that's the only immediate difference I noticed.

EDIT: I went ahead and enable debug logging on my install and tested some videos. I don't see anything in the logs, but I did notice that the onscreen debug text indicated that the fps never went over 28fps, even though cpu was never maxed. Not quite sure what's limiting it, but a display rate that's less than the video frame rate seems like the most obvious cause of the stutter.

UPDATE: After playing around with the settings it appears that the combination between 30fps material and upscaling is the issue. When I changed the view mode to original size (which is a tiny box in the middle of the screen) the video plays without stutter.
(This post was last modified: 2012-04-27 01:20 by WisdomWolf.)
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bladeds Offline
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Post: #145
Any one else having trouble playing 720p content (h.264 or xvid) when ever I play 720p I having issues with xbmc crashing especially with higher bitrates
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DLeavy Offline
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Post: #146
(2012-04-28 16:08)bladeds Wrote:  Any one else having trouble playing 720p content (h.264 or xvid) when ever I play 720p I having issues with xbmc crashing especially with higher bitrates

ATV2 will not play 720p content that's xvid encoded - those are software decoded and the ATV2 can't handle it. h.264 is hardware accelarated, but if you are playing files with higher bitrates, it can also struggle.
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deanmv Offline
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Post: #147
Just to add anything over 25mbps seems to make it struggle.

Set Up
Raspberry Pi running Raspbmc - XBMC 12.2
40" Samsung ES6800 LED Smart 3D 1080P TV
Onkyo HTS3405 5.1 DD True HD and DTS-HD Surround Sound
ReadyNAS Duo with 4TB (2 x 2TB X-RAID) Western Digital Caviar Green using NFS
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DLeavy Offline
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Post: #148
(2012-04-28 17:50)deanmv Wrote:  Just to add anything over 25mbps seems to make it struggle.

Thanks, I was trying to remember that number. I looked for the thread where someone had tested it out, but couldn't find it.
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Ned Scott Offline
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Post: #149
One of these days we should hammer out a little chart showing what the ATV2 can currently do with a given version of XBMC (and maybe against the iOS version as well?)

Seems like a moving target, so it would be interesting to have a thread where we all try to get specific condition results. Hmmm...

You can make easy links to the XBMC wiki using double brackets around common XBMC words: [[debug log]] = debug log, [[Video library]] = Video library, [[SMB]] = SMB , [[userdata]] = userdata, etc
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elcaballo Offline
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Post: #150
Is there anything that would have affected SD playback from iOS 4.2 to 5.0? The files that I am talking about played fine with Eden/4.2 and now suffer jerky, warping playback in Eden/5.0.
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