Safari, Video, Latency

My Mac Book Pro is only 5 months old. Over the past 2 days I've noticed when I watch video on YouTube it stops several times (every 20 seconds) to load. This never happened before. I thought it may have been the bandfwidth of the internet last night but the problem persists. I checked for updates. Nothing new. I emptied all caches, pixels, etc and reset safari. The problems persists.

Also, I just tried going to the Daily Show and the video worked fine. Then I went back to Youtube and it stalled within 5 seconds. I assume they're using different video software? Can anyone suggest a fix? (And does anyone know why this happened?) Thanks

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Video Latency Issue On The Mac Book Pro 2.4 With Leopard 10.5.5

Gear: Macbook Pro (early 2008 model) - 2.4gigs cpu 2gigs ram - all the latest updates... no other applications running during the test
Hi folks. Currently I am having a latency issue when trying to record directly into iMovie using the built-in microphone and iSight camera. Basically, the video seems 5 - 7 frames late to the audio. I found that a good way to demonstrate this issue was simply doing a few handclaps as a test.
This is a quick handclap test displaying some video latency during recording with the iSight camera in iMovie 08.
- Just download this link — and import it into iMovie 08 - Here is a link to a zip file that you can import into iMovie 08 - It's 2.5meg - .m4v export - Also it was recorded as standard format and audio midi setup app: audio was set to 44.1:
http://www.brainbeast.com/37/clap-1-large.zip
- Play from beginning. As soon as you hear a clap sound — pause with the space bar - then back up before the clap with the left arrows
- Then click the right arrow several times until you hear the beginning of the clap sound ( This is the audio: start frame)
- Now — you will notice the video still has an open hand. At this point click the right arrow, counting as you go several times until you see the hand close. This is the amount of frames that the video is late to the audio. For me it seems to be an average of about 5-7 frames late.
Unfortunately iMovie 06 nor QuickTime will not scrub audio as you go frame by frame with the arrow keys so you cannot test it there. If you have some other application such as final cut Pro, you could test it with that.
! IF YOU WOULD LIKE TO PERFORM THE TEST YOURSELF:
- Just record a new movie in iMovie 08 - using the built-in mic and i-Sight camera — and see if it is also slightly out of sync
Note: to be as fair as possible — I did a slow handclap ( in order to not challenge the frame rates) - also, in order to get the maximum volume I used an open palm ( clap on the palms with your fingers spread out as you can see I did.)
Please let me know if this latency appears to be the same for you as it does for me.
Q: Is it just my machine or does it happen to you too?
Q: Does anyone know a way around this latency issue?
Q: Does anyone know if Apple is aware of this latency issue?

I am experiencing the same incredibly frustrating problem as well. When I record directly into iMovie
'08, the video lags the audio by a fraction of a second.
I have tried shutting down all other applications and having only iMovie up. Same problem.
I tried recording the video into QuickTime instead of iMovie and experienced the same problem. (Which makes me think it is perhaps a hardware or operating system issue.)
I tried the technique suggested here and on other sites of "double-dragging" the clip from the Events pane into a project (one normal drag and one Shift+Cmd drag) so that I had the audio and video as two separate tracks. After muting the audio on the video track, I then attempted to slide the audio over to sync it with the video, but even down at the 1/2 second zoom setting I didn't seem to have enough granularity to move the audio so that it was exactly in sync with the video. I was wishing I could use the arrow keys or something like that to move the audio just one frame at a time.
All I want to do is record a video directly into iMovie '08 - this would seem to be something trivial to do!

In safari video is not working for a ipcam

in safari video is not working for a ipcam

For an iOS device ? >> https://itunes.apple.com/us/app/ip-cam/id333208495?mt=8
If so, check out the app developer's site for support > http://www.senstic.com/iphone/ipcam/ipcam.aspx

Reduce video latency from 6 sec to 4 sec

Hello,
I have developed a video transmission and viewing application . I am facing a problem of one way video latency of about 6 seconds.
Adobe says that the latency can be reduced to about 3 seconds one way. I have set up the buffertime for transmitter about 3 seconds.
Please can anyone suggest me how to reduce the latency from 6 seconds to about 3 seconds ??
Thanks,
Chinmay Chitale

Hello,
I have developed a video transmission and viewing application . I am facing a problem of one way video latency of about 6 seconds.
Adobe says that the latency can be reduced to about 3 seconds one way. I have set up the buffertime for transmitter about 3 seconds.
Please can anyone suggest me how to reduce the latency from 6 seconds to about 3 seconds ??
Thanks,
Chinmay Chitale

Safari video out to TV

I don't know if this has been documented or not but apparently any video that will play in Safari will play out to your TV. I discovered this by accident. I was using the YouTube app (connected to my TV) to play some videos and couldn't find a particular video. I then launched Safari and did a video search there and found the video I wanted posted on dailymotion. Well I was quite surprised to find the video playing on my TV. I've since tried many other video sites as well as stored video files on sites/servers and if they were playable in Safari, they played out to the TV.
I just thought some users might find this info helpful.

Thanks for that added tip about Perfect Browser.
1 question tho, when viewing web sites with Perfect Browser on your TV and you play an embedded video, does the TV show the video full screen, the web page plus video or options for either?

Safari video not playing

When I open a post with an embedded YouTube video in Safari, the video does not appear (it is there and plays well when I open the same page on Chrome). Also, using Blogger, I am suddenly unable to use any features in pop-up windows; the windows appear (for example to insert a photo) and I can import the photo and select it for insertion, but the photo doesn't get inserted. Again, in Chrome, no problem. Any clues?

One of the following steps should help.
1. Install Adobe Flash Player.
    http://get.adobe.com/flashplayer/
    Quit Safari.
    Restart computer. Relaunch Safari.
2. Enable Plug-ins
    Safari > Preferences > Security
    Web Content:
    Click in the box for "Enable Plug-ins".
3. Check whether you are currently in YouTube HTML 5 trial.
     http://www.youtube.com/html5
    At the bottom left of the page uncheck the box for
   "You are currently in the HTML5 trial".
4. Reset Safari.
    Click Safari in the menu bar.
    From the drop down select "Reset Safari".
    Uncheck the boxes next to all items.
    Check the box next to "Remove all website data".
    Click "Reset".
5. Turn off Extensions/Plug-ins if any that may interfere with Flash working properly.
    Safari > Preferences > Extensions
Best.

How to I play safari videos on TV through apple TV?

I have an iPad2 with the latest version of iOS. I have an apple TV updated to the latest version. How do I get my TV to be a screen for my iPad? In particular, can I display any safari accessed video on my TV?

Ideally you'd play it using AirPlay if it's an option, but not all websites are video enabled. Alternatively use mirroring, double tap the home button, swipe the bottom panel to the left, tap the AirPlay icon and turn mirroring on.

Video latency on mobile device

I am working on an application that connects two peers in audio/video using rtmfp.
When a peer wants to talk with another, first it exchanges peer-id and stream-name with the other and then publishes its microphone/camera (in “live” mode) and plays the other peer stream. As usual in Flash platform. Message exchange in my application is server directed (I am using FMS 4), stream connection is peer-to-peer.
Now, all works fine when the two peer run on Adobe AIR for PC. But when one or both run on a mobile platform (iOS 4.3.3 for example) I experience a strange random latency. Sometime latency on the mobile side is near zero, sometime it grows to 3 even 5 or more seconds. So the communication is not really possible.
I tried to narrow down latency by testing different values of bufferTime both on incoming and on outgoing stream: bufferTime = 0 does not work fine on mobile side; using bufferTime = 0 in the output stream and bufferTime=0.3 on incoming stream works better. With this values when video is not involved all works fine. But when one of the two peer attaches a camera then the result is not always the same: sometime latency is acceptable sometime it is not: bufferLength of the incoming stream (playing stream) grows to 3 or more seconds and then it goes up and down. Using bufferTimeMax do not improve latency. On the pc side bufferLength is near zero.
I noted that on the pc side sometime I got a NetStream.Buffer.Empty on the incoming stream so I am thinking that the problem is related to cpu resources on mobile side (I am using an iPhone 4). To lower resource consumption I set Camera.setQuality(0,100) and Camera.setMode(80,60,3). Microphone is configured to use Speex with encodeQuality = 6. But the problem remains.
Is the video playback of Flash Air on mobile device fast enough?
The two peer in my test are on the same LAN and the mobile device use Wi-Fi access. I use Flash CS 5.5 and AIR 2.7.
Does anyone have an explanation of this behavior?
Thanks
Michelangelo

Hi,
after a month of tests I stopped looking for a solution.
In the last test I tried to split (desynchronize) audio stream and video stream so I had two different play buffers on which I tested different bufferTime values. I was hoping to have a low predictable latency on audio playback (that is more important for my application) and a different not specified latency on video. But my test failed: this solution works as the solution where audio and video have the same buffer and this is very revealing.
I don't know if this problem is related to:
a my error in configuring audio/video stream
a flash player bug (on iOS) in live mode
a high resource consumption of the Sorenson Spark codec implementation on AIR for iOS
I posted my initial question to learn from someone anything useful to distinguish among those alternatives. I tend towards the third.
Michelangelo

Safari videos not working

Hi. Recently I have come across an issue in regards to watching videos on my Ipod Touch 2nd Generation. I am not talking about Youtube, that works fine, but many other mobile sites that I used to watch videos on no longer work. I get to the site fine and all, but when I click the link/button to start a video, I just get a huge wall of text that takes about a minute to fully load. This is not isolated to a single website, I have yet to find a site that allows videos to be watched anymore. This did not used to be a problem, one day I simply could not watch videos on mobile sites in safari anymore. Anyone know a fix for this? Any reply would be greatly appreciated and please ask if you need more details on the problem.

ah, thank you very much! I must have accidentally hit that off.

[Solved] Darkplaces video latency

In darkplaces, I have a strange problem where the video is delayed. I can hear when I shoot, move around menu, etc immediatly but there is a good part of a second befour the video catches up. Besides from that the video runs fine with a reasonable framerate but due to the latency is unplayable.
Here is the output from darkplaces
Game is DarkPlaces-Quake using base gamedir id1
DarkPlaces-Quake Linux 17:05:19 May 27 2013 - release
Playing registered version.
Skeletal animation uses SSE code path
DPSOFTRAST available (SSE2 instructions detected)
Failed to init SDL joystick subsystem:
execing quake.rc
execing default.cfg
execing config.cfg
couldn't exec autoexec.cfg
Client using an automatically assigned port
Client opened a socket on address 0.0.0.0:0
Playing demo demo1.dem.
Linked against SDL version 1.2.15
Using SDL library version 1.2.15
GL_VENDOR: ATI Technologies Inc.
GL_RENDERER: AMD Radeon(TM) HD 6480G
GL_VERSION: 4.2.12217 Compatibility Profile Context 12.10.17
vid.support.arb_multisample 1
vid.support.gl20shaders 1
NOTE: requested 1x AA, got 0x AA
Video Mode: fullscreen 1366x768x32x0.00hz
S_Startup: initializing sound output format: 48000Hz, 16 bit, 2 channels...
Wanted audio Specification:
Channels : 2
Format : 0x8010
Frequency : 48000
Samples : 2048
Obtained audio specification:
Channels : 2
Format : 0x8010
Frequency : 48000
Samples : 2048
Sound format: 48000Hz, 2 channels, 16 bits per sample
CDAudio_Init: No CD in player.
Can't get initial CD volume
CD Audio Initialized
Host_Mingled: time stepped forward (went from 0.000000 to 1369706662.873157, difference 1369706662.873157)
Last edited by BennyBolton (2013-05-28 06:34:19)

BennyBolton wrote:1366x768x32x0.00hz
0 hz is wrong, should probably be 60.

Safari video issue

Some videos embedded in websites won't work in Safari, it just shows a blank window - no play button, no controls. Youtube videos work fine. I'm on a MacBook Pro, OSX 10.6.8

Presumably Flash related.
Two bugs, one affecting Apple's Mac platform and another attacking Microsoft's Windows, exploit certain Flash player vulnerabilities to install malware onto users' systems, reports ArsTechnica. While users of other operating systems like Linux have yet to report attacks, Adobe's advisory notes the exploit affects all platforms.
Designated as CVE-2013-0634, the first vulnerability targets the Safari and Firefox Web browsers running on OS X, and is also being used as a trojan to deploy Microsoft Word documents containing malware. For Mac users, the flaw affects Adobe Flash Player version 11.5.502.146 or earlier.
On March 1 Apple again blocked Flash Player for Lion and Mountain Lion:
http://support.apple.com/kb/HT5660
The Adobe Flash patch can be found on Adobe’s website, and users can visit this page to check if their software is the most curent version.
You should uninstall any previous version first, and repair permissions after installing the new version.
If you still get a ‘plug-ins blocked’ message:
http://support.apple.com/kb/HT5271

Ipod/Safari/video crashing on fresh restored Iphone.

Hey, recently i restored my phone, and updated it too the latest software through itunes, that wasnt a problem. the problem comes now aftwer buying a majorty of my library through the store, i am getting constant crashes in ipod mode which is sending me insane.
I can play 1 song then it will crash at the end, can only play 20 seconds of video, then that crashes, if i touch the navigation slider at the top it causes insticrash. i tried looking for a solution on safari then it crashed too.
This is on a fresh restore with no other apps on it except for the weather & other junk that it starts with. there is no jailbreaking, it has never been jailbroken.
most of my library was purchased through the store on the phone so i do not believe at all it has to do with windows/iphone issues.
i have restarted, synced it in dfu mode for giggles and tried to reset any settings i could. so then i restored it again, and it still happens.
driving me insane, any other ideas before i fix it with a bigger hammer.

Instead of a hammer, I suggest a Hummer - gives a satisfying crunch without the risk of flying shards
If you've restored as a new iPhone, without a backup, and this is recurring, there must be a hardware issue. If it's still under warranty, take it to Apple or whoever provides warranty service in your area. If out of warranty, there are 3rd party iPhone repair centers which could be less expensive. Google will help find them.

Safari Videos Unable to Play?

I have never had a problem with videos playing on safari. I often watch full episodes online, but within the last day all of the videos have been unable play. Videos on youtube and aol are just black boxes. I checked to see if my adobe flash is up to date and it is. Does anyone know how to fix it?

Use Chrome, or uninstall your Flash/Silverlight plugins and reinstall them. Reset Safari and try again.

Facebook/Safari: Video frame hiding facebook buttons

Ever since upgrading to IOS 5, I'm facing a problem in facebook (Safari) where videos overlap the "Like, Comment, and Share" buttons, i.e. I can't press any of those buttons because the video frame is on top of those buttons. I have the latest IOS 5 updates, but the problem is still there. Does anyone know how to fix this annoying problem?

I have this problem also. This is STUNNING to me, there must be THOUSANDS of Facebook employees with iPads, how can this continue and not get fixed? The fix is one line of HTML, how bad are the Facebook engineers not to size the video thumbnail properly in all browsers? I'm ready to walk into their offices and ask them what is up....

Some of the built in apps no longer work. map, mail, Safari Video

After the last time I synced my iPad (1) maps, video, safari and mail terminate imediately. My iPhone 3sg works notmally after my last sync.

See this thread:
https://discussions.apple.com/thread/5306216?tstart=0
FIX:
1. You need Time Machine
2. Go to folder /Library/CoreMediaIO/Plug-Ins/DAL/
3. Copy AppleCamera.plugin to good place (usb memory stick is the best place).
4. Go to Time machine in date that skype work fine.
5. Change AppleCamera.plugin with file from Time Machine
6. Restart system, Now skype need to work with camera.
If that doesnt pass,
Suggest looking here, much success has been found:
http://community.skype.com/t5/Mac/OS-X-10-8-5-broke-Video-on-MacBook-Air/td-p/18 91729/page/4

Safari, Video, Latency

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