1280x720 mp4 videos stop playing video after 9.1 update, only sound works

After upgrading to 9.1, 1280x720 mp4 videos won't play video anymore, only sound. Any help?

I am having a similar problem with videos. After an update, some of my video files play and others do not. They are all in mpeg-4 video format so I don't know that is the difference except the videos that are not playing are larger files of movies. The shorter videos play fine. Any ideas? My quicktime is up to date and I'm using iTunes 9.1. Before updates I was able to view the videos without a problem.
I am guessing that because of the size of the videos...mine are 640x352 that does not play but 480x320 will play

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1280x720 mp4 videos stop playing video after update, only sound works

this is what appears in the inspector:
h264, 1280QTKitMultiplicationSignWithSpaces720, Milhões
AAC, Estéreo (L R), 48,000 kHz
Only sound, no video anymore. It worked fine until the 9.1 iTunes update. Now I can only see the video with the VLC player.
I have another one that works fine(both sound and video) :
H.264, 960QTKitMultiplicationSignWithSpaces540, Milhões
AAC, Estéreo (L R), 44,100 kHz

Any help ? Thank you in advance. This happened after iTunes update.

YouTube videos stop playing/loading after 10-15 seconds

Starting about 2 weeks ago, YouTube videos no longer play or fully load for me (and, from scanning both here and in google, it appears for LOTS of people on both Macs and PCs). A video will begin to load and play normally for the first 10 to 15 seconds, then simply stop loading or, more accurately, it appears to repeatedly reload that first little segment (if the little slider is accurate), sometimes getting a few additional seconds, but never much beyond 18 or 20 seconds.
It's happening on pretty much all YouTube videos as well as videos on other web pages (though it's possible they've all been hosted by YouTube anyway).
I do have current versions of Safari and Adobe Flash installed (and have reinstalled them). I've also cleared my cache and cookies. And I have a good DSL connection that doesn't usually have a bandwidth problem. All was working fine until a couple of weeks ago. I've run diagnostics but didn't see anything obvious.
Anyone able to offer a possible solution or, at least, a place to look for one?

I found a solution. It was intended for Lion 10.7.4, but it also worked for 10.6.8. Here it is:
My Flash Player plug-in would not play videos on YouTube (using Safari in Lion). It turned out that my Safari settings needed to be reset after the recent Lion 10.7.4 and Flash upgrades. I called Apple tech...
This is what we did to fix it:
1. Open Safari.
2. Go to top left menu, under "Safari" click on "Reset Safari."
3. UNCHECK the first two boxes, leave the next three checked, plus UNCHECK the next two, and keep the last three checked.
4. Hit "Reset"
5. After the reset finishes, Safari will relaunch and you can test Flash by going to YouTube to see that videos will now play.

After Mountain Lion install, internet videos stop playing back after only a few seconds. Multiple browsers are affected.

After I installed Mountain Lion, videos streamed from the internet will stop playback after a few seconds of play. Multiple browsers are being affected.

I have this same problem, and I did a clean installation.
Hardware:
2009 MacBoook Pro 17" 3.06 C2D; 4 GB RAM, 256 Apple SSD
While loading the browser is quick starting up, I notice a delay to open any website, like it's preloading the entire page versus just loading. Safari seems like it's a bit sluggish overall with loading web pages.
Did a internet speed test and my U/D rates are the same after the upgrade.

YouTube videos not playing properly after 10.1 update

I am using firefox 3.6.4 and tried with chrome 5.0.375.86 also, both seem to play the videos sluggish/lagging.. the audio seems to be fine..everything was fine until the update today to 10.1 . I tried the hardware acc enable/disable, was of no use.

Hi, along with disabling the hardware acceleration feature, it is advised to update the graphic and video drivers to the latest versions.
See if that helps.
eidnolb

Flash Player stops playing games after most recent update.

My father uses the website PCHGAMES.COM, daily. He loves to play bingo. Earlier this week Flash Player updates itself and now PCHGAMES.COM, bingo will not play. It would let you chose which room to go to, and play the movie before the game, but when it gets to loading the room and chose the bingo cards all you get is a RED X. After coming over to see what the issue was, and following all solutions on Flash Player games, video, or audio don't work | Windows page... The only solution that works is #7. Disable Flash Player hardware acceleration. Once I followed these instructions, the bingo game played fine as long as he did not leave that page or window. If he got bored and went to play another game and then came back to bingo it would not work again. Then I would have to come back over and do #7. Disable Flash Player hardware acceleration, except this time it would be checking the box and Enable Flash Player hardware acceleration. My father is disabled and doesn't understand why all of a sudden bingo will not work when it has been fine for 3 years.
Currently his computer is using Windows Vista (32-bit), using IE Version 9.0.8112.16421, with Flash Player Version 11.1.102.63
Is there any way to fix this other than having to come back to Adobe's site and enable or disable this checkbox every time he wants to play bingo?

LW327, this is an issue that really annoys me! Laptop manufacturers produce their own 'custom' drivers that are actually, in most cases, exactly the same as generic drivers, except often years out of date! If there are actually any differences, then it's a few hooks into manufacturer installed programs, so installing a generic driver may, in the worst case, only cut down on some functionality with associated OEM supplied software.
There are 2 ways around your problem to install the newest Intel driver:-
1) Download the newest driver from Intel. Uninstall your current driver, reboot, and manually install the Intel one.
2) Download the zip version of the Intel driver. Unzip it to a directory, then update your driver by picking the location where you unpacked the archive. This allows any checks that may scupper an install over the top of a custom driver to be avoided.
Once you have the latest Intel driver installed, you'll get updates via Microsoft Update. There again, I just checked the Intel website and the latest G31/33 driver is dated May 2009, so installing it probably wont make any difference to your predicament. There again, the real issue here is that flash is messed up!

Youtube video stops playing after 11 seconds

Mac Pro / Mountain Lion 10.8.2 / Flash 11.4 - YouTube videos stop playing after 11 secs. Only just started happening last week - around time when I installed latest Lion upgrade but this may be a red herring. Tried uninstalling Flash and reinstalling with no change. Checked/emptied cache.

There are several topics with similar symptoms, but I don't think anybody has found an answer yet, as it only occurs on some few systems.
What I would try if I encountered the same problem:
try disable Hardware Acceleration (http://forums.adobe.com/thread/891337)
try update the graphics drivers (http://forums.adobe.com/thread/945765)

Hello. the last month i face a problem with youtube at my macbook. most videos stop playing after maybe 20 - 25 sec. the same time the time bar stops moving. could you help me solve the problem? thank you

hello. the last month i face a problem with youtube at my macbook. most videos stop playing after maybe 20 - 25 sec. the same time the time bar stops moving. could you help me solve the problem? thank you

hello. the last month i face a problem with youtube at my macbook. most videos stop playing after maybe 20 - 25 sec. the same time the time bar stops moving. could you help me solve the problem? thank you

TS1717 my music videos stop playing after 3 minutes

my music videos stop playing after 3 mins it happens to them all they worked fine before I upgraded to the new software

No there is no particular limit, especially one as short as 4 minutes in the Flash player or a Web page in general.
The video file may have been corrupted before or during upload to server.
Test the original video file on your local machine, does it play the entire length? is so, notice the file size.
Compare that size to the file size of the video on the server... if they are the same, you might want to re-upload anyway.
Your video file will also have a web address that specifies exactly where it is located on your server. Do a direct download and test the file to see if it is courrupt.
It will have an address something like this:
http://www.cidigitalmedia.com/chris_test/tombstone/video1.flv
So download your file directly from the server and play on your local machine to see if it's longer than 4 min.
Could it be that your Web host only allows certain size files (no videos over 4 min for example)?
Best wishes,
Adninjastrator

Videos stops playing after 5 0r 6 seconds, how do i fix this problem

videos stops playing after 5 0r 6 seconds, how do i fix this problem ?

Howdy z71jimmy,
The following article provides tips that can help resolve most playback issues in iTunes for Windows.
Troubleshooting iTunes for Windows Vista or Windows 7 video playback performance issues
http://support.apple.com/kb/TS1718
Cheers,
Allen

On my ipad video streaming stops after a few seconds only sound is playing .what could be the reason.

on my ipad 2 video streaming stops after a few seconds, only sound is playing .what could be the reason and how to solve this problem.
I have a feeling that it may have started after upgrading to ios6.

Hi,
Is this failing with Error 20 ?
Sometimes in a the router or modem if you use Port Forwarding then you are your Buddy may be missing the Screen Sharing Port.
The Screen Sharing part uses a different port to the Audio port.
As the port for Audio (And therefore Video) are known and can be port Forwarded it is the random Screen Sharing port that can be the problem.
iChat 3 info http://support.apple.com/kb/HT1507 that includes Bonjour and Jabber info
iChat 4 info http://support.apple.com/kb/HT2282
If you are not using (or your Buddy) UPnP then I would change the method of opening the port to that.
6:14 PM Saturday; June 20, 2009

The volume on my iPad 3 has gone. I've checked the mute button, tried restarting, resetting etc and nothing has changed. I can't hear the music, hear any sound from videos. Most times the video stops playing after a seconds. My iPad 3 is only 2 months ol.

The volume on my iPad 3 has gone. I've checked the mute button, tried restarting, resetting etc and nothing has changed. I can't hear the music, hear any sound from videos. Most times the video stops playing after a seconds. My iPad 3 is only 2 months ol.

If you have lost all sound and video is freezing on you, that ain't good. Your iPad is two months old so I would not hesitate to contact Apple at all. You are entitled to 90 days of phone support.
http://www.apple.com/support/ipad/contact/.
If you want to try a couple of things on your own, try quitting all apps and then reboot the iPad - not so much for the sound issue itself - but more as a general "start all over again" sort of approach. It might help with the video freezes.
Go to the home screen first by tapping the home button. Double tap the home button and the task bar will appear with all of your recent/open apps displayed at the bottom. Tap and hold down on any app icon until it begins to wiggle. Tap the minus sign in the upper left corner of the app that you want to close. Tap the home button or anywhere above the task bar. Reboot the iPad.
Reboot the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons.
If you use headphones on occasion, you can try plugging and unplugging those as well and see if the sound comes back.
You could even try restoring the iPad to factory settings and then restore from a backup, but unless there is something totally hosed on the iPad, that should not be necessary with a two month old device - of course assuming that you didn't drop the iPad or do something accidental that could be causing the problems.

Why do some YouTube videos stop playing after a short time?

Since sometime in October, 2013, I have noticed that more and more YouTube videos stop playing within a minute of starting. Most that stop do so in 15 or 16 seconds. The playing stops because the download stops. I watch this on a network activity monitor I always have running. Not all videos do this, but the problem is becoming more and more frequent. Some videos which played correctly for me in the recent past are now exhibiting this problem.
Other than installing the latest Firefox updates I have NOT changed the software on my machine. I run Linux by the way. I do not think this is a Linux problem because (1) it was all working before and (2) my son who runs both Mac OS X *and* Windows is also seeing the same problem. We both use Firefox as our browser on all our platforms.
I should also note that I am NOT seeing this problem with any of the other video websites I use, only when I go to YouTube. That leads me to believe that the problem is not in Firefox; if it were it should affect videos from all websites.
Additionally the problem occurs whether or not I log into YouTube.
I have not run Firefox in safe mode because all the extensions I use did not affect the download of Videos before, so I don't expect unchanged extensions to suddenly start causing problems.
So, anyone else see this problem? (There was another note which talked about the same problem but it was disabled.)
Also -- pardon my paranoia, but -- I need to ask: Since YouTube is owned by Google and Google has its own browser it wants you to use, Chrome, is it possible that Google is intentionally causing some YouTube videos to fail if it sees that they are being sent to Firefox?
(That is not so outlandish I think. Microsoft WAS at one point caught mangling web pages going to certain web browsers other than IE. And these days Google wants to dominate the Internet just as badly as Microsoft does, so why not pull dirty tricks too?)
If this keeps happening I am going to have to try Google's Chrome to see if it somehow manages to play YouTube videos correctly while Firefox does not. But I really do NOT want to install Chrome because I trust Google about as much as I trust Microsoft, which is to say Not At All.
Thanks in advance.

Hello,
There have been some issues with Flash 11 in the recent past. This could be a manifestation of that issue. Kindly check this response below to see if this helps you in viewing Flash videos.
Also, if you want to check if this is a flash problem and specifically on youtube, you can try the HTML5 version of Youtube. In this, there are no plugins involved, and the browser natively renders the videos. You can signup for the HTML5 trial by visiting http://youtube.com/html5. Please try that and check if the issue goes away.
Also, in this case, Google might not be doing anything sinister - they generally try to be standards compliant too. You can definitely try installing Google Chrome and test this issue, but we definitely would want you to continue to be a Firefox user :)
<hr>
Some problems with Flash video playback can be resolved by disabling hardware acceleration in your Flash Player settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox).
To disable hardware acceleration in Flash Player:
#Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page].
#Right-click on the Flash Player logo on that page.
#Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open.
# Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. <br/> <br/>[[Image:fpSettings1.PNG]] <br/>
# Remove the check mark from '''Enable hardware acceleration'''.
# Click '''Close''' to close the Adobe Flash Player Settings Window.
# Restart Firefox.
This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested.
<hr>
Also, try this one too
Recent crashes of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox are most probably caused by a recent Flash update and/or a malfunctioning browser plugin such as Real Player.
In order to remedy the problem, please perform the steps mentioned in these Knowledge Base articles:
* [[Flash Plugin - Keep it up to date and troubleshoot problems]]
* [[Flash 11.3 crashes]]
* [[Flash 11.3 doesn't load video in Firefox]]
Other, more technical information about these issues can be found under these Links:
* http://forums.adobe.com/thread/1018071?tstart=0
* http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html
Please tell us if this helped!

Videos stop playing

I bought a new MacBook just a week ago. I noticed that some videos stop playing after a few seconds when I try to watch them while surfing the internet! For example: I wanted to watch some of the one to one tutorials but I couldn't because ALL the videos stop playing after a very short time as the download stops. I noticed that the same thing appens with lots of the videos from the Apple website. However it's not a problem of Internet connection as when I try to watch the same videos with my iPhone connected to the modem via WiFi (the same type of connection I use for my MacBook) everything goes well.
On the other hand, I have no problems watching YouTube videos.
Thanks in advance for helping me.

Repairing permissions is important, and should always be carried out both before and after any software installation or update.
Go to Disk Utility (this is in your Utilities Folder in your Application folder) and click on the icon of your hard disk (not the one with all the numbers).
In First Aid, click on Repair Permissions.
This only takes a minute or two in Tiger, but much longer in Leopard.
Background information here:
http://docs.info.apple.com/article.html?artnum=25751
and here:
http://docs.info.apple.com/article.html?artnum=302672
An article on troubleshooting Permissions can be found here:
http://support.apple.com/kb/HT2963
By the way, you can ignore any messages about SUID or ACL file permissions, as explained here:
http://support.apple.com/kb/TS1448?viewlocale=en_US
If you were having any serious problems with your Mac you might as well complete the exercise by repairing your hard disk as well. You cannot do this from the same start-up disk. Reboot from your install disk (holding down the C key). Once it opens, select your language, and then go to Disk Utility from the Utilities menu. Select your hard disk as before and click Repair.
Once that is complete reboot again from your usual start-up disk.
More useful reading here:
Resolve startup issues and perform disk maintenance with Disk Utility and fsck
http://support.apple.com/kb/TS1417?viewlocale=en_US
For a full description of how to resolve Disk, Permission and Cache Corruption, you should read this FAQ from the X Lab:
http://www.thexlab.com/faqs/repairprocess.html

Youtube videos stop playing-appears not to be a browser problem

Hi everyone,
This is my first time posting here, I've always managed to find a solution to my previous mac problems with a little bit of googling around, but not this time so I really hope someone can help me out here.
It's been going on for about 2 months now, certain videos stop playing about halfway, even if the loadbar was way ahead- it just jumps back on 0:00 along with the time counter, the gray spinning circle appears in the middle of the screen and basically you can't do anything other than refreshing the page. Sometimes, after repeating this for 3-4 times, it plays the whole thing, but the time counter will still frozen on 0:00.In the beginning it was only a few videos, now it's pretty much 7 out of 10 and it really is becoming frustrating. I tried resetting Safari, emptying caches and all that jazz, then I installed google chrome hoping it was just a browser thing, but the problem didn't go away. I tried playing the same videos on the family computer and they worked just fine....
Has anyone had the same problem/any idea what's going on?
Thanks in advance for any replies

Thank you so much! It does fix the problem (which is even more confusing, cause as far as I know it's usually the other way round- people have trouble loading hd videos) at this point I'll just take what I can get : D I'm just really curious why is this all happening....
Thanks again!

1280x720 mp4 videos stop playing video after 9.1 update, only sound works

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