Quicktime 10.2 Playback issues

Anyone noticing flickering while playing back HD video files on Quicktime 10.2?
The two files I tested are H264 at 1280x800.
I've also tested both files in VLC and the flickering goes away.

I have the same issue. H.264, Linear PCM Videos (mov) from a Canon DSLR are rendered with frequent flickers, as though one of the frames or a small sequence of frames are black, or of significantly lower exposure. Occurs whether using Quicktime Version 10.2 (603.6). I also tested in VLC; the video plays without flickering.
Mac Pro Mid 2010
Processor 2 x 2.4 GHz Quad-Core Intel Xeon
Memory 16 GB 1066 MHz DDR3 ECC
Graphics NVIDIA Quadro 4000 2048 MB
Software OS X 10.8.2 (12C60)

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ITunes 10.6/Quicktime 7 1080p playback issue/frame skipping

I have a playback issue with the 1080p videos on the recent version of iTunes - 10.6. I also tried playing the same videos on Quicktime where I was able to find that the videos were playing at around 20fps as opposed to their normal rate - 24fps~25fps.
I seem to barely meet the 1080p playback requirements on iTunes, but I know that I'm able to watch 1080p videos on Window Media Player(WMP) 12 without any issues. Aside from WMP, I'm able to watch 1080p videos on Youtube whenever hardware acceleration is enabled. I assume that WMP utilizes hardware acceleration as well.
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Windows Hardware
PC with a 1GHz Intel or AMD processor and 512MB of RAM
To play Standard Definition video from the iTunes Store, an Intel Pentium D or faster processor, 512MB of RAM, and a DirectX 9.0-compatible video card is required
To play 720p HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor, 1GB of RAM, and an Intel GMA X3000, ATI Radeon X1300, or NVIDIA GeForce 6150 or better is required
To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor, 2GB of RAM, and an Intel GMA X4500HD; ATI Radeon HD 2400; Nvidia GeForce 8300 GS or better is required
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16-bit sound card and speakers
Broadband Internet connection to use the iTunes Store
iTunes-compatible CD or DVD recorder to create audio CDs, MP3 CDs, or back-up CDs or DVDs
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2GB DDR3
Intel GMA X4500MHD

Bump! Sounds the same as my problem, but maybe no one but us are having the issue since no one will answer any of my posts

Quicktime 7.6 video playback issues

I upgraded to quicktime 7.6 yesterday and is has caused video playback issues when in higher performance with my Macbook pro. I am trying to play 1080p footage in the h.264 compression codec and it is now stuttering. It played fine in my previous quicktime player before the upgrade and it seems to play fine in the better battery setting. The problem occurs with the 9600 nvidia chip but the 9400 works okay. This is troublesome because the 9600 should out preform the 9400.

Update: The problem only happens with MacOS 10.5.6. Running the pre-installed MacOS 10.5.5 the 9400M and 9600M displays movies smoothly using QuickTime 7.6. Disabling hardware-accelerated playback by deleting the "AppleVAH264HW.component" in "/System/Library/Quicktime" also "solves" the problem.

Keynote 09 exporting to QuickTime playback issue

Hello,
I am looking for some amazing expertise and really appreciate any help and guidance.
I've exported a presentation from Keynote 09 to Quicktime and have an issue. When I try to play the presentation in QT X, I click to advance from slide 1 to 2 and it works perfect, but then when I click to advance to slide 3 it returns me to the start of slide 1 every time. Meanwhile when I use the spacebar/quickview without opening QT the entire presentation plays perfectly.
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Thanks Dani and Glad...
As an update on my side:
I called in to Apple to try and find out if I jump up to Final Cut Studio (with a bit of a learning curve), if I would be able to replicate exactly the (slideshow) video I made easily in Keynote, hopefully avoiding this issue with the assumption that it is specifically related to Keynote.
Prior to getting on the line with a Final Cut expert, I did fully explain why I was calling with the hope of getting a solution for this issue as I would like to keep Keynote in my arsenal, especially since I am semi-fluent in it.
The person helping was very nice and asked to put me on hold for 3-5 minutes, which I am perfectly happy to wait for complete and accurate information. The solution I was presented with was as follows:
1) Go to export to QT as usual.
2) Click the second drop down (Formats) and select 'Custom...'.
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My 'Compression Type' drop down was set to 'H.264'....I was told to
4) Change the 'Compression Type' to 'MPEG-4 Video.
(I do not think it is related to the fix being suggested or just as a preference, I was told to slide the Compressor - Quality slider on the bottom left to 'Best')
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6) Click the 'Next' button and continue with your export.
I did this and the QT file worked, unlike the original I had done. I can not confirm it isn't a hit or miss like Glad saw...but I did ask if this was a "just try this and let's see" (like Microsoft, altctldel...try restarting your machine) or if this is a known issue....it wasn't totally clear, but I was told (not exact words, but basically) there may be something funky about Keynote or QT with H.264. I don't know codecs so have no idea, but I continued....
In case I still don't feel comfortable with this "fix" (which I am not sure I do...I also made a new, but less complex video and switched back to H.264 - this one worked...) I asked to still be connected to a FC expert, just to ask my questions anyway as it would be good knowledge to have, even if just for future self development.
I again did my best to explain what was going on, and the Final Cut person did not understand how changing to H.264 would make any difference...to mention, it is possible I had a hard time getting on the same page as this person who was trying to help me so he may not have understood exactly what I was asking exactly - but he did understand my bottom line - I need to make this video that works when exported to Quicktime!
Not sure if related (would be curious if this is relevant to others here), again not being familiar with codecs, etc - I had dropped a few QT movies I was given from someone else not being sure what they used to create it. I thought a Quicktime movie is a QT move - universal standard....apparently so for playing but not for re-exporting.
I was advised to get a QT 7 Pro key so in the future I can open QT movies I am sent in QT and re-export it as a QT movie from my machine (OS, codec, etc, etc, etc) before dropping it into a project I am working on.
Being on OS 10.6 I have QT X, which does not have this functionality (as mentioned - no Pro version) and when I tried to get a QT 7 Pro key in the past I was misinformed that I wouldn't be able to install it on my machine since it is running a newer version and wouldn't let me install an outdated/older version. Apparently, this is not totally accurate - it is missing from my Utility folder, but I need to do a custom install of it (only way to do it - can't just DL it) from the 10.6 OS disk.
Please, let me know if any of this worked for you or if I can add more details I left out.
Best of luck (...for us all)!!!!
Michael

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hi slideaway!
my computer has a right proper meltdown, switching itself off and restarting to a "Windows has recovered from a serious error" sort of message.
good lord. are you getting any sort of blue screen? if so, what numerical and text codes are you getting with it? (ie 0x[zeros/letters/numbers] CAPSANDUNDERSCORES)
here's a reference on the sorts of things i'm asking about:
Troubleshooting Windows Stop Messages
if you're not seeing a blue screen (or just a flash of one), we can use this technique to make hidden blue screens appear for us:
1) Open your system control panel (Start->Control Panels->System).
2) Select the "Advanced" tab.
3) Click the "Startup and Recover" section's "Settings" button
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love, b

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Description:
When I open a media file in a separate tab or window, audio playback cuts out when I switch focus away from the tab or window (i.e. when it runs in the background). When I put the tab/window in the foreground again, playing resumes.
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https://bugzilla.mozilla.org/show_bug.cgi?id=339449
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since upgrading to OS X 10.8 I have several video playback issues.
I have a lot of videos ripped to my Drobo NAS, connected bij FW 800 to my MacMini (4 GB, 2009). Until recently, playback was smooth, either with VLC or DVD Player.
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After upgrading to OS X 10.8.2, videos are playing back jerky and audio is out of sync in VLC and QuickTime.
Since I have 10,000+ videos in my library, this is absolutely unacceptable
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Are you running the latest version of VLC player?
http://www.videolan.org/vlc/download-macosx.html
Hope this helps

Premiere Pro CS6 Mac Playback Issues

I've searched for similar issues, and while I found plenty of playback issues, I didn't see anything like what I'm experiencing.
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12 GB ram
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The above suggestion worked for me briefly, but the problem keeps re-occuring.
I too am using Snow Leopard 10.6.8, NVIDIA gfx card (8800) and an ATI Radeon 5500.
Premiere played back fine in Lion and Mountain Lion, but I downgraded because I have old quicktime files and Final Cut 7 projects that i need to work with so Lion is not an option for me.
Bizarre behavior if you ask me.
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Video Playback ISSUE WITH VISTA!!!! NEEDED HELP BADLY!!!!!!!

I am using a Dell XPS GEN 5 PC with Windows Vista Premium Edition as the current OS installed. I have latested up date for Itunes and QuickTime (7.1.6) Installed. I have recently bought and downloaded 3 of the Original Star Trek Tv Shows from Itunes. When I try and play one of them, they don't work. The Screen comes up, the show starts, then stops. Sometimes the sound keeps on playing, and then stops. Sometimes it just dosent even come on. I'm guessing (as a highly advanced Windows PC User) That this ia a "video/playback issue, related to a Apple/Vista Compatibility problem. I would like help solving this problem.
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Do you have a SATA hard drive? I have the same problem you describe when trying to play videos in iTunes. Do the previews of music videos on the iTunes web site play OK? If they do you probably have the same problem with SATA HD and iTunes incompatibility. Not sure who is going to fix that problem and when. I have found one fix that worked for me. Copy your video(s) to a flash drive and then play them from there. It's a workaround and you shouldn't have to do it but it does allow you to watch the videos.

ITunes TV download playback issues

Help - I downloaded a TV episode I missed from Lost and it plays back in a diffused screen of about 12 blocks. I tried all the fixes on Help to no avail. Any suggestions?? I can't go on w/o seeing this episode!!

Got it solved!! Thanks!! I just needed to view it in
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Hi,
After upgrading my iPhone 5 to iOS 8 I have had many playback issues with my Music. Songs randomly skipping or stopping without even doing anything are some of the issues. Also sometimes when I am listening to a song it would fast forward the music.
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My wife had something like this happen with her iPad. The problem was that the device had not been synced and so some file were not loaded on the device.
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Frame by frame analysis shows all frames are present with no jumps tears or skips.
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Try compressing the flv with different software. FFMpeg, for example, is free and does a very good job, often better than the Flash Video Encoder that comes with Flash/Creative Suite.

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Hi,
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