Audio play head / playback issue

Flash CC: My audio does not continue when I resume playback. For example I have my audio set to stream on its own layer. If at any point I stop add an additional layer place whatever tween, key frame, content, and hit enter to resume playback. The play head disappears and the audio restarts from key frame 1. Once the audio catches up to the key frame I just added the play head returns and continues. or the play head will disappear and the audio will go back approximately 10-15 seconds then once the audio catches up to the area I just added edits the playhead returns. CS6 i could stop anywhere on the timeline then hit enter the playback would begin from whatever keyframe i was on or picked to begin from.... Any Ideas?

See here: http://forums.adobe.com/thread/1251784?tstart=0

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HTML5 playback issue when playing lots of html5 videos on a single page

Hi,
I've got a use case where I need to play 48 to 150 videos per page and number of pages could be from few to thousands. I use html5 for video playback.
The video tag I use is the below one:
<video width="20" height="20" autobuffer controls preload="none" ><source src="MY_VIDEO_WITHOUT_EXTENSION"type='video/webm; codecs="vp8,vorbis"'></video>
I have an Apache http server serving the videos. I store the videos without the extension so I've modified the httpd.conf and added "DefaultType video/mp4" since all videos have been transcoded to mp4 with h.264/mpeg-4 with AAC audio.
I created a simple html with the above video tag repeated 46 times with each having a different source. The videos are of varying lengths from few minutes to close to an hour. I noticed that I can play the first few videos - around 15 of them. I pause each video before playing the next one. After 15 videos or so, I start seeing the loading icon and the video just won't play no matter how long I wait.
I used firebug to see what's happening and noticed that it is waiting on the GET request. I see no incoming requests on the apache server logs for those failed videos.
If i reload the page and play those videos that didn't play earlier they would play without any issue till I reach the number of videos i've selected to play around 15 or so and then the problem starts again. The problem is not with the videos since they play at one time or the other based on what videos I choose to play first. I have no other tabs open that may interfere with this.
I noticed that I do not have this problem on Google Chrome, all videos play without any issues. So, it looks like it is a firefox issue. I have the latest FF and Chrome btw.
I added "browser.cache.memory.capacity" property and set it to 1GB but it still didn't help. The memory and CPU usage on the task manager is not significant enough to be the cause of this issue. I have 32GB RAM and 6core CPU. And its not just my desktop, its several other desktops that have this issue.
Even if I remove the codecs and use type='video/mp4', it doesn't work. I've tried removing autobuffer and it behaves the same.
Any help is greatly appreciated.
Thanks
-G

Sorry,
The video tag I use is the below one:
<video width="20" height="20" autobuffer controls preload="none" ><source src="MY_VIDEO_WITHOUT_EXTENSION"type='video/webm; codecs="vp8,vorbis"'></video>

Audio & video playback issues

So here’s the deal…
I just bought my Mac Pro (3Ghz, 3GB RAM) two weeks ago and have had problems ever since. I’m working with HD video in Final Cut Pro and the audio and video playback is glitching pretty bad. I know that it isn’t a software issue because the video and audio work just fine right after I start up my computer but as soon as I render the project or open another application the issue returns. This problem also occurs in iTunes, Soundtrack and QuickTime. Even the mouse will start to stutter. I have tried just about everything. I have reset the computer, trashed my startup folder (both recommended by Apple technicians) added a new user, reinstalled the system’s software and all the applications.
I also own a PowerBook (1.5 GHz), which works just fine with playing back HD video and audio and actually runs faster then the Mac Pro. I have no idea what’s going in here. Any help would be greatly appreciated. Thanks in advance.

Ok so I'm a bit of a dummy. This issue has been really bugging me so I decided to try a lens cleaner to see if it would help. It didn't unfortunately. I then uninstalled the drive and rebooted rather than scanning for hardware changes. This improved things a bit-I was able to play a cd normally in Media Player but nothing else. I checked the IDE controllers again and the secondary channel this time was running in PIO mode. I uninstalled the sencondary controller, rebooted and voila! The controller reinstalled, is now running in Ultra DMA Mode 2, DVDs and CDs now play fine. Either the lens was dirty and causing time out issues while reading discs which caused the change to PIO or I just missed it when I first checked. Either way, thanks for the help.

Issue with Audition CC build 7.1.0.119 crashing on moving the play head back

Hi, every time I edit a sound clip or and an effect and then move the play head back, the application crashes.
Is anyone else having this issue?
System I'm running:
Windows 8.1
Intel i7
Nvidia 740 gt m.
Laptop.
Thank you.
Edward.

You are absolutely right. I had the same problem, when the scale was 125%, but after reduction to 100%, the problem disappeared.

Premiere Pro CC & OS X Mavericks Audio Buzzing & Audio Playback Issues

Working on the latest version of Premiere CC version 7.2.1 and MAC OS X 10.9.1. I am experiencing a really loud disturbing buzzing/cutout sound in playback. I have tried changing every audio setting possible on my mac and in the Premiere CC Audio/Playback settings. Sometimes changing the audio hardware or playback preferences fix it, but only for a few minutes. This is beyond a deal breaker for me. We need a fix for this, been dealing with audio issues with Premiere since CS6, nonsense.
Machine Specs:
Intel Quad Core 3.5ghz
Nvidia 680 GTX
32 Gigs RAM
12TB Areca RAID
360gb Stripe 0 SSD RAID for Media Cache & Scratch
Editing:
Canon 5d Mk iii h.264 footage.
Please someone help me with this, im deep in a music video edit and dont know what to do, im working at a snails pace on a really fast machine.

If the problem is limited to audio transitions, then you're probably hitting a bug that was introduced in 7.2: http://forums.adobe.com/message/5945929#5945929. A fix went into 7.2.1. For projects that you worked on in 7.2, I believe you need to clear the cache and, possibly, the preview render files.
Several users have reported that the fix in 7.2.1 did not resolve the issue in all cases.
http://forums.adobe.com/message/5948467#5948467
http://forums.adobe.com/message/5949129#5949129
I don't know what the status is on any bugs that remain in this vein. If all else fails, your best bet may be to revert to 7.1. Unfortunately, that's not as simple as it could be. See the instructions here: http://forums.adobe.com/message/5823746#5823746

FCP 7, issue with dual display (video frozen but audio plays)

I have just installed FCP 7 (Studio 3) onto a new MacPro 8-core with Radion5770 GFX card.
Primary monitor is running via DVI, secondary monitor is running via DisplayPort to HDMI.
My problem is that if i enable the secondary display so that I get a full screen image from the timeline and then attempt to play the video remains frozen whilst the audio plays.
Its the same on the primary display video viewer window as well.
If I TURN OFF the secondary display then the video viewer on the primary window returns to normal play back without any issues.
If I turn the seconday display back on, then "scratch" along the timeline then the video refeshes corectly - but every time i hit play the video remains frozen.
Any ideas???

Ive found the solution.
its quite easy.
symply go to
Final Cut Pro -> Audio/Video Settings
Navigate to A/V Devices and under video select the screen your using. If your using the computers screen, like a macbooks screen make sure to check the box. "Miror on desktop". If you do not do this you will have a black frozen immage and the sound will continue playing.
I set a shortcut for "All frames" so that when I press a cmd+p it automatically plays full screen on my macbook.
Hope that helps.
Sylvain Cruiziat
http://www.vimeo.com/sylvaincruiziat

Video doesn't play while audio does during playback

I use FCE 1.0.1 and since I upgraded to Leopard I have had a little problem. When I put the video setting in Fire-Wire, it plays fine with audio playing through my camcorder. But when I put the video setting in Real Time to play the audio through my speakers, the video doesn't play while the audio is playing fine. After 5 or 6 seconds, the audio stops playing too.
My G5 is a single 1.8 GHz processor and I am running 10.5.1
Anything?

I appreciate your insight with this. If I could ask one more set of questions; Would you recommend the "upgrade" linked below or the Full version? And what will be the practical differences for me the user?
I have started a new project in version 1.0.1 (capturing and a few edits, etc) since upgrading to Leopard. Will all of my work be there with either upgrade or full version after install?
Thanks so much.
http://www.amazon.com/Final-Cut-Express-Upgrade-3-5/dp/B000Z3GSXK/ref=pdbbs_sr1?ie=UTF8&s=software&qid=1198585705&sr=8-1

Playback a little before the location of the play head.

Well I edited something in Multi-cam.
Now I want to go over each cut (using UP/DOWN keys) and hit space to see if the cut is good.
the only trouble is that each time I press an up/down key to skip to next cut - I need to take the mouse and place the play-head a little bit before the cut to see if the transition between the two clips is good.
My question is:
Is there any possible key shortcut to play a little before the actual place Im standing with the play-head on the time line?
Cheers

Wow this forum is amazing!
I never posted a question to a forum and got answered so fast.
Thanks, you guys for the very helpful replays!
I have a feeling that Im going to hang in this forum a lot!

Stuttering flv playback issue- need help asap

We need help asap. Have a project is due to deliver today (5/14).
We have a video to go on a dvd-rom, live action with Motion Graphics behind.
When output is done thru Projector the Motion Graphics stutter as they scroll.
Here is more technical info:
Stuttering flv playback issue:
Prores 422 timeline 29.97fps 1280x720 output from fcp using current settings.
Mov file is approx 7gb, plays relatively smooth on a mac pro with no raid.
Frame by frame analysis shows all frames are present with no jumps tears or skips.
Tried several output paths, programs and settings to create a smooth flv file to no avail.
We adjusted data rates from 2k, 3.5k, 4k and 8k, no luck
We adjusted keyframe rates from low to all frames, no luck.
We tried cs3 flash encoder, cs5 media encoder, squeeze ect, same results.
Playback in the flash projector seems to choke slightly no matter what we do.
Have also posted in the Director Forum.
Any help much appreciated!

Here are a few ideas off the top of my head:
Try playing the file using a different xtra, sometimes different ones will work better. If you have Director 11.5, there is a native flv playback xtra.
You can build a player easily in Flash using the flvPlayback component, then bring that into Director as a swf.
Once you have the video in Director, try making the member Direct To Stage (DTS). If it is already DTS, try making it not DTS.
Make sure the video is not transparent, and nothing in Director overlaps the video... in fact, when the video is playing, nothing should be moving at all, and try to keep the amount of code that is running to a minimum.
Try lowering your video's data rate further or try using a different codec.
Using VBR (Variable Bit Rate) compression often makes the video appear to play smoother.
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.

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.
The playback issue/frame skipping is probably caused by iTunes 10.6 not using hardware acceleration.
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
Screen resolution of 1024x768 or greater; 1280x800 or greater is required to play an iTunes LP or iTunes Extras
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
My PC specs:
Pentium Dual Core 2.3 Ghz
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

ITunes 7.0.2.16 - It hasn't fixed my playback issue(s). Your experiences?

A little recap of my iTunes 7 story:
-I went from iTunes 6.0.5 to iTunes 7.0.0.70 ("updated my library," analyzed gapless playback and indexed my album art) and got video slowdown (100% CPU) and horrible playback stuttering as the main issues, amongst others.
-Upgrading to iTunes 7.0.1.8 lowered the system resources a bit, but audio still skipped (though no longer distorted) and the playback bar never finished in playlists with repeat/shuffle turned off--the last song in a playlist would play, but iTunes won't end it once it reaches -0:00 remaining. iTunes also sometimes stopped playing back music entirely, staying put at 0:00 and requiring a reboot.
Here's my deal with iTunes 7.0.2.16 so far:
While installing iTunes 7.0.2.16, it wiped out and re-installed QuickTime 7.1.3 (just like the iTunes 7.0.1.8 installer did) as well as break all my QT + iTunes shortcuts.
Upon opening iTunes and clicking "Agree," it updated my library again in the same way it updated with the first-time launch of iTunes 7.0.0.70. Took quite a while to finish, and I thought the application hung for a couple of moments.
After a few minutes of usage alongside Firefox and other applications, I can say that in my case, the new version of iTunes has NOT fixed my playback-skipping issues and video playback slowdown that I first encountered with iTunes 7.0.0.70, but a few UI bugs are done with:
-Party Shuffle works as intended now.
-The 0:00 issue with tracks not finishing has disappeared. FINALLY!
-Cover Flow no longer refreshes artwork in its pane when playing a new song in that view.
-Checkboxes seem to work again in the Podcast library.
Minor bugs left besides playback performance: The visualizer only plays back in large size, no matter what size is chosen in Preferences. There's still a graphical glitch with the menu bar when stopping an enhanced podcast, and double-clicking an album cover not in focus in Cover Flow causes the animation to start from the beginning.
How's iTunes 7.0.2.16 for the rest of you? I might have to try that 48kHz/16-bit QuickTime tweaking again and see if it brings any luck.

A small update from my first post here since this topic's getting bumped - here's my temporary workaround with playback in iTunes 7.0.2.16, and it's worked:
Upon opening iTunes, play a track and don't let it stop. Just, whatever you do, keep some form of audio playing at all times (music/podcast/audiobook) without pausing or stopping it. Then, go about your regular multi-tasking routine and it shouldn't skip. Again, iTunes should always be playing something; don't let a playlist finish without "repeat all" turned on, for example.
If you need to turn off the music for a moment, just mute the volume in iTunes (drag the volume slider all the way to the left).
I find this to be the only workable solution for me until the next iTunes revision comes out - playback has been perfect about 100% of the time. Hope it works for you! Lemme know if it does.

Video playback issues in Air for Android

Hello everybody
I am developing an advertisement application which plays multiple videos. I have faced a very strange problem: nor the simple Video nor the StageVideo are not visible when I run the app on target android device. I can hear the audio but the only way to get the video is to press back button and then get back to app but in this case the video goes over the UI. This happens only on a target device which is a chinese sibo android tablet. It has android 4.1 on board. I have seen a lot of people had the similar issues:
http://forums.adobe.com/message/5429125
but the solution mentioned there - adding <containsVideo>true</containsVideo> to the manifest xml doesnt help
I am using adobe air 4.0 sdk and the air 4.0 runtime on the device. I have tried to change renderMode to CPU/Direct/Auto but it doesn change anything.
The other three android devices I have - toshiba thrive tablet(4.0.4)/ eken tablet(4.2.2)/ htc desire c(4.0.3) play all the video content without any problem.
Any advice will be highly appreciated,
Max

Hi, Chris,
I think this issue: Bug#3832525 - [Android] Video + Stage3D = Video don't work but sound continue playback
Also there is many critical video playback issues:
Bug#3759420 - [Platform_Windows] GPU accelerated video stop playing when screen resolution changes after NetStream.Buffe…
Bug#3810201 - [Android] H.264 video rotating problem
Bug#3503389 - [Platform_Android]StageVideo attachCamera()
Bug#3802932 - [iOS] Video stops playing
Bug#3840986 - [iOS] Simple Video object doesn't work with H.264 (MP4) videos
Bug#3779843 - StageVideo + NetStream + Starling = R6025 Error
Bug#3626740 - H.264 playback conflicts with Stage3D (Android)
Bug#3832327 - [Android] NetStream decodedFrames don't work
Bug#3832141 - Video is not working if you seek on NetStream.Play.Stop and have a bufferTime
Bug#3810979 - AIR on iOS: Using StageVideo makes 2D Display objects opaque/black over Stage3D
Bug#3578045 - new Video() android black screen
Bug#3703836 - Black screen on Samsung Galaxy S4 and Nexus 7 device
Bug#3837870 - [iOS] StageVideo + Stage3D = video not displaying but sound playback
Bug#3840983 - [Android] Returning from Alarm Clock causes black screen when using Video with GPU acceleration
Bug#3840999 - [iOS] [Android] Turn off screen at NetStream.Buffer.Flush causes video not work or crash with some videos
Bug#3844059 - [iOS[ Switching between multiple NetStreams not work
Bug#3773944 - Video view top at android 4.3
and more
All of these problems very important for our business. Often we cannot create stable AIR applications when we need to use videos.
Could you force for faster fixing these issues?

[bug?] playback issues with QT browser plugin, any workarounds?

I've noticed a playback issue with media files using the quicktime plugin (currently v7.1.3) with Firefox 1.5.0.x and now Firefox 2.0 on Windows XP (SP2):
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.
Reproducible: Always
Steps to Reproduce:
1. Open an mp3 file with quicktime plugin in a new tab
2. Switch focus to some other tab or firefox window
Expected Results:
Audio playback should continue in the background.
Actual Results:
Audio playback cuts out and resumes once you click on the tab containing the plugin or if you hover over it with the cursor. The cutting and resuming out doesn't happen right away but after a short delay, suggesting that it might have something to do with thread prioritization.
The file is completely buffered by quicktime, this is not about connection speed or bandwidth issues.
Opening the link to the same file with right-click->Open Link in External Application works well.
Someone else has filed a bug report against Firefox about this issue here:
https://bugzilla.mozilla.org/show_bug.cgi?id=339449
I wouldn't be surprised if this turns out not to be an issue with Gecko but with QuickTime.
Can other users confirm this on XP? Is this a known QuickTime bug? Are there fixes or workarounds?
Windows XP

Yeah I had that thought as well but no joy. It works for the player but it doesn't solve my plugin problem. It really seems to be something about prioritizing, the way the audio cuts in and out - notice how it takes a few fractions of a second before a process loses its CPU cycles when you click away from it? You can observe this with System Monitor on the Mac or Linux or process explorer on XP. That's how the audio is cutting out and back in. I still think it's probably a bug/'feature' either with Gecko, the Firefox browser engine, or with the QT plugin..

Youtube video is blank,but audio played well. other browser such as chrome got no problem with it. FF Developer Edition.

- youtube video just blank, but audio is there. tried both embedded in facebook or other website, and at youtube.com. both same result.
- facebook video played just fine
- other browser played just fine.. no problem at all..
- i'm on firefox developer edition
- tried installing latest flash update, still the same result.

This problem 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.
Does this solve the problem? Let us know.

Quicktime playback issues

Hello all. I know this has been posted all over the place by now, but I was hoping someone could just directly get me to where I want to be. I've noticed a few oddities in video playback since upgrading everything to 10.6.1 with QT X.
1. Under the newest Flip4Mac (the latest upgrade after the beta that was supposed to fix the SL issues) I still cannot seek a .wmv file. The file plays but the progress bar is gray until it finishes loading. I should clarify that the video works fine when playing, it's just that I have to wait nearly as long as the video for it to completely load and enable seeking. Fixes???
2. When I play this same file in the newest VLC I get video, seeking ability, but no audio. Even QT had the audio so that is a *** to me. Fixes?
3. Some .avi files when playing back in QT have different audio vs video speeds, i.e. the audio doesn't match up with the rate of the video. It seems that VLC fixes this, for the ones that it'll play, but I like QT and would like to use it! Fixes??
Thanks all. I appreciate your attention.

why not try converting the clip into a different format and seeing if that makes a difference. you could use media streamclip - very easy to use. you could see how things work in a fresh factory autoload (option-new). also try monitoring the system performance both with logics monitor and with activity monitor to see if there are any spikes.
also check what settings you have for the film. what is the films frame rate, what is logics frame rate? what audio are you playing out of system (ie in-built) or an interface. you should play the audio of the film out of a different output if you can. if you can't check the sample rate of the film against the one you are using in logic.
also what settings have you got for contiguous - or non-contiguous sync? how does the audio play back when the video becomes choppy.
what are you playg the film back from - ie where is it streaming?
try setting a key command for open movie again and hit it when the film becomes choppy. does that fix the problem?
does the film become choppy after you have saved? where are you keeping your song files and the movie file? what peripherals are you running apart from keyboard and mouse?

Audio play head / playback issue

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