Poor Video Performance in iTunes

I have this notebook which is almost 2 years old but still doing its job pretty well except for when it comes to playing videos in iTunes. They're sloooow, stopping a few seconds and then slow again. I never get the right speed of the picture. The sounds fine but the picture is crap. And it doesn't really matter what kind of video. It will happen with the ABC World News Podcast and it will happen with a downloaded show, let's say Grey's Anatomy. Vista is new on this computer but I had the same problem when running XP on it. I have Quicktime Pro, so I use that. And guess what? In Quicktime it's just fine! Sometimes I experience temporary slowdowns, but that's rare. The funny thing is though, Quicktime works okay, iTunes doesn't. But actually (and it really hurts me to say that, believe me) I get the best performance with Windows Media Player 11. Now please somebody tell me why and how to fix this. I guess it must be an iTunes issue because if I run iTunes and don't play anything and open Quicktime at the same time (so I'm running iTunes and Quicktime at the same time) videos play good in Quicktime, slow in iTunes. And yea.... Media Player ALWAYS works the
best...
I've forgot to mention that purchased videos of course won't play in the Windows Media Player. So here I stick with Quicktime, which is working okay, but it could be better. I paid $30 for Pro, so I should get Pro performance. I know the notebook is not the youngest but I'm just talking about video playback. And if Microsoft can make it happen, Apple should certainly be able to.

that is actually very true. plus the fact that h.264, even in HD, plays perfectly in media player 11. i get the feeling the fewer features a mediaplayer has, the quicker it is. i'm not a software engineer but i really have no idea why itunes is wasting so much system ressources on windows. i don't know if it's the same on the mac? i mean yea, you could argue i should get a mac. and how i would love to, but since macs aren't cheap, not even the tiny macbooks, it's out of the question for me at the moment. but i do own a video ipod and bought quicktime pro, sure all the shows i download with itunes look great on the video ipod, but not on quicktime. and i think i still deserve to get the same for my not so old notebook, right?
Message was edited by: germanintheburgh

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Monitor "Monitor0"
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Depth 24
Modes "1280x1024"
EndSubSection
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Section "DRI"
Group "video"
Mode 0666
EndSection
glxinfo
http://pastebin.com/f71f5461c
BTW I'm not using Compiz. Has anyone an idea what could happen? In Glxgears I'm achieving 1200fps, but working with GIMP is laggy-horror.
THX.
Last edited by Srigi (2009-11-04 07:27:45)

exactly the same here...
01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]
glxinfo: http://pastebin.com/m75fc2c9
Xorg.0.log: http://pastebin.com/m267826b1
xorg.conf: http://pastebin.com/m75c033c2
greets,
smax

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o 10dB to 15dB SNR = Very low signal
o 5dB to 10dB SNR = No signal
If the SNR is 20dB+ at the Mac Mini, then you should be getting reasonable performance from your TC. If less, either try to locate the source of the Wi-Fi interference or try relocating either the TC or the Mac Mini until they are within a 20dB SNR range.
Another option is to utilize a transceiver on the Mac Mini to try to increase the Mini's built-in AirPort antenna ability to pick up the signal from the TC. One vendor that provides these is QuickerTek.

Very poor video streaming from youtube

I cannot watch a single video from youtube or any other site. I have OS v6.0.0.522. Is there anything i can do?? It will play a video for a few seconds then just starts to buffer. I have a BB 3G 9300 with Sprint

Hello mikeswitzer. Welcome to the Apple Discussions!
As you have already figured out poor signal strength equals poor bandwidth performance. This, of course, will be noticeable for both audio and video streaming.
I suggest downloading a copy of iStumbler. Use iStumbler's Inspector feature (select Edit > Inspector from iStumbler's menu) to determine the Signal-to-Noise Ratio (SNR) at different points around your house, by performing a simple RF site survey. Within the Inspector, note the values for "signal" & "noise" at these locations. Start with your MacBook near the Time Capsule (TC), note the readings, and then, go to the location where you currently have the Mac Mini.
SNR is the signal level (in dBm) minus the noise level (in dBm). For example, a signal level of -53dBm measured near an access point and typical noise level of -90dBm yields a SNR of 37dB, a healthy value for wireless LANs.
The SNR, as measured from the MacBook, decreases as the range to the base station increases because of applicable free space loss. Also an increase in RF interference from microwave ovens and cordless phones, which increases the noise level, also decreases SNR.
SNR Guideline
o 40dB+ SNR = Excellent signal
o 25dB to 40dB SNR = Very good signal
o 15dB to 25dB SNR = Low signal
o 10dB to 15dB SNR = Very low signal
o 5dB to 10dB SNR = No signal
If the SNR is 20dB+ at the Mac Mini, then you should be getting reasonable performance from your TC. If less, either try to locate the source of the Wi-Fi interference or try relocating either the TC or the Mac Mini until they are within a 20dB SNR range.
Another option is to utilize a transceiver on the Mac Mini to try to increase the Mini's built-in AirPort antenna ability to pick up the signal from the TC. One vendor that provides these is QuickerTek.

Classical Music Videos in the iTunes Store?

In Europe, classical music videos are (or were a few years back) often shown on television. Mostly the performances were chamber music and they were filmed in beautiful locations -- baroque churches, castles, palaces, for example.
I know that there are classical music videos (at least one) in the iTunes Store because I stumbled upon a video performance of the Hungarian Rhapsody #2 played by Lang Lang.
Is there a secret to searching for videos of classical performances in the iTunes Store? I've tried everything I can think of, to no avail.
Thanks!
Two Intel, Two Dual G5's, Three PowerBooks, etc. Mac OS X (10.4.9) A passel of Macs in the house.

Thanks to Mike and Lance for the replies. I had seen those four videos listed. Unfortunately, only the Lang Lang is a classical music video. Andre Rieu plays mostly "New Age" nonsense and the "East Village Opera Company" is -- I don't know what -- jazz-rock fusion, maybe. I like J-R fusion mind you, but I'm looking for classical recordings in this instance.
Two Intel, Two Dual G5's, Three PowerBooks, etc. Mac OS X (10.4.9) A passel of Macs in the house.

Do they have 2011 american idol contestants live video performances?

Every year, iTunes had American Idol Contestants' live video performances to purchase, as well as, just the song. I cannot find that for this year, 2011.
Would appreciate any help!

The songs from this season are offered as singles. The first icon for each week is the album and the singles are the next icons. I am not sure why you aren't seeing this on the AI downloads page on ITunes. It shouldn't be a problem. If you are having trouble, try searching for the contestants name whose single you want to download.
Message was edited by: PJReid

Strong wifi, poor video streaming???

Hi,
My video streaming on apps like FoxNow and SyFy keeps freezing and often quits to the home section.
The WiFi signal is strong and yet it can only play a few minutes before it freezes again.
Streaming is just fine on my MacBook Air from individual TV sites - Hulu, Fox, etc.
The apps for Fox, The CW and SyFy are the worst while NBC and HBO playback just fine.
Can anyone help?
Cheers.

Hello mikeswitzer. Welcome to the Apple Discussions!
As you have already figured out poor signal strength equals poor bandwidth performance. This, of course, will be noticeable for both audio and video streaming.
I suggest downloading a copy of iStumbler. Use iStumbler's Inspector feature (select Edit > Inspector from iStumbler's menu) to determine the Signal-to-Noise Ratio (SNR) at different points around your house, by performing a simple RF site survey. Within the Inspector, note the values for "signal" & "noise" at these locations. Start with your MacBook near the Time Capsule (TC), note the readings, and then, go to the location where you currently have the Mac Mini.
SNR is the signal level (in dBm) minus the noise level (in dBm). For example, a signal level of -53dBm measured near an access point and typical noise level of -90dBm yields a SNR of 37dB, a healthy value for wireless LANs.
The SNR, as measured from the MacBook, decreases as the range to the base station increases because of applicable free space loss. Also an increase in RF interference from microwave ovens and cordless phones, which increases the noise level, also decreases SNR.
SNR Guideline
o 40dB+ SNR = Excellent signal
o 25dB to 40dB SNR = Very good signal
o 15dB to 25dB SNR = Low signal
o 10dB to 15dB SNR = Very low signal
o 5dB to 10dB SNR = No signal
If the SNR is 20dB+ at the Mac Mini, then you should be getting reasonable performance from your TC. If less, either try to locate the source of the Wi-Fi interference or try relocating either the TC or the Mac Mini until they are within a 20dB SNR range.
Another option is to utilize a transceiver on the Mac Mini to try to increase the Mini's built-in AirPort antenna ability to pick up the signal from the TC. One vendor that provides these is QuickerTek.

Poor video from Leopard to Tiger

I've used iChat between an iMac and a MacBook almost daily for a year. At Christmas I upgraded the iMac to Leopard. iChat works, but I now get very poor video quality at the MacBook end. The connection doctor shows that typically my local bandwidth is around 200 - 300 kb/s but the other way is around 50 kb/s. Nothing changed in my router or any of the other networking hardware to the best of my knowledge.
Has anyone else experienced this? Any suggestions to improve the performance. Previously with Tiger at both ends the connection and video was usually fairly good and the connection rate more even.

Ralph: I have the exact same problem. Here is my output:
CMSCreateDataProviderOrGetInfo : Invalid colorspace type
184730.894588 Loading hardware rules from hardwarerulesH264-G4.plist
184730.894679 Checking H264 hardware rules
184730.894695 Satisfied rule #1 (20:640x480)
184730.894951 setLocalUserName: @192.168.1.101
184730.931409 Default video size is (640x480)
184730.982375 ### NEW STATE: to: VC_INIT, from: VC_INVALID
184730.983097 ### NEW STATE: to: VC_IDLE, from: VC_INIT
184730.983165 ++++++++ confStatusMapRemoveAll
184730.983182 ( ) -- mapUserIDToSecurityInfo cleared --
184730.992342 UPnP init passed
184730.992852 NATTraversal created
184730.993095 Bandwidth based on QT prefs = 1500
184730.999660 BWD: GotBandwidth: 961793/23937267 (up/down) @[192.168.1.101:255.255.255.0]
184730.999755 BWD bandwidth: 961 kbits up, 23937 kbits down.
184730.999796 videoNetworkCapable: 1 -- 3 max participants.
184730.999808 audioNetworkCapable: 1 -- 9 max participants.
184730.999860 vcCapabilities returns: 0x0000003f
184730.999872 VCCapAudio
184730.999881 VCCapVideo
184730.999890 VCCapMultiAudio
184730.999898 VCCapMultiVideo
184730.999907 VCCapMultiAudioHost
184730.999916 VCCapMultiVideoHost

Poor Video Performance in iTunes

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