Flash :: Asp.net - Synchronize Video On Multiple PC's?
Dec 8, 2009
Multiple computers running a kinda of quiz (in asp.net). Every one of them plays a video as background (in the browser), sorta like a screensaver (with advertising). When moving the mouse a div pops up which allows the user to choose a quiz in fill out the forms. The catch is that the video needs to be synchronized on all the PCs.These are the constraints: The asp.net code is already there, so writing it completely in flash is no option. We know .NET, javascript, html, the standard webdev stuff best, so investing time is something new is a last resort.
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Oct 29, 2010
I'm trying to play multiple video streams simultaneously. However, I cannot synchronize these videos to play at the same rate.
I have three 45-second videos in FLV format and I use flash.net.NetStream to play these videos. I call netstream.play() of these netstream at the same time (by using a for-loop). However, these videos are out-of-sync even all videos files are on my local machine.
For example, when the wall clock is at 10th second, the first video is at 7th second, the second video is at 10th second, and the last video is at 5th second.
I think it may be affected by different jitter delays when streaming. However, I still cannot find the way to solve this problem.
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Jan 23, 2010
I would like to have one controller to sync and control multiple video objects(start/stop simultaneously).
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Sep 9, 2011
is there any best way to synchronize the audio with text in flash
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Mar 9, 2011
I have created a Flash Video that contains three images that fade in and out between each other. The problem I am having is I want the user to be able to click on an image and get directed to a specific URL. Each of the three images has a different URL destination. I am new to Flash & haven't been able to find a solution anywhere. I am using Flash Professional CS5.
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Feb 7, 2011
I want to synchronize sounds perfectly to do a kind of Audio Mixer, using different sounds. All I have been able to do is to play 2 sounds at the same time, but I cannot do it with 3 audios or more, they don't go synchronized. JamStudio.com does it perfectly, I've been researching and researching and I just don't know how to do it! How does JamStudio.com synchonize audio so perfectly? you can even change sounds and the new ones will come on time! How do I do that? Is it just Action Script? or are they using something else?
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Oct 29, 2010
The question is how could I stop a method being called twice, where the first call has not "completed" because its handler is waiting for a url to load for example?
I have written a flash client which interfaces with a java server using a binary encrypted protocol (I would love to not have had to re-invent the whole client/server object communcation stack, but I had to encrypt the data in such a way that simple tools like tamper data and charles proxy could not pick them up if using SSL).The API presents itself to flas as an actionscript swf file, and the API itself is a singleton. the api exposes some simple methods, including:
login()
getBalance()
startGame()
endGame()
Each method will call my HttpCommunicator class.HttpCommunicator.as (with error handling and stuff removed):
public class HttpCommunicator {
private var _externalHalder:function;
public function communicate(data:String, externalHandler:APIHandler):void {
// do encryption
[code]...
Will the second call trounce the first calls communicator variable? i.e. will it behave as if its static, as there is onlyone copy of the API object?If say there was a button on the GUI which had "update balance", and the user kept clicking on it, at the same time as say a URLLoader complete event hander being called which also cals the apis getBalance() function (i.e. flash being multithreaded).
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Nov 18, 2010
I'm experimenting with P2P on Flash, and I've come across a little hurdle that I'd like to clarify before moving forward. The technology itself (Flash) doesn't matter for this problem, as I think this problem occurs in other languages.
I'm trying to create a document that can be edited "live" by multiple people. Just like Google Docs pretty much. But I'm wondering, how would you suggest synchronizing everyone's text? I mean, should I message everyone with all the text in the text field every time someone makes a change? That seems very inefficient.
I'm thinking there has to be a design pattern that I can learn and implement, but I'm not sure where to start. Optimally, the application should send the connected clients only the changes that have occurred to the document, and have some sort of buffer or error correction that can be used for retrieving earlier changes that may have been missed. Is there any established design pattern that deals with this type of issue?
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Dec 10, 2008
making two web banner commercials where a bottle is supposed to fall from one banner to the other. The two files are separate and I dont think I can communicate between them. I need a quick solution to make the animation start at the same time in both files (if one file is loaded quicker than the other). Is this possible? Ive seen commercials where this has been done, but I dont know how they did it. I use as2 but if you have a solution in as3 its no problem.
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Jan 31, 2011
I'm looking for a way around using flash for video's on a site. Any suggestions for something that might work across multiple browsers that isn't flash based? HTML5 seems promising, but I need something with more browser acceptance. I'm trying to avoid having to serve up difference video's based on user agents.
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Jul 19, 2011
I'm creating some sort of flash video site. It consists of a several HD video's. The background video is 1920x1080. In front of it there is an object witch is also a video, but it it is stopped at first frame. When mouse is over this object - I play the video.
And here's the thing - when I firstly move cursor to the object - it plays like 5-6 fps. From the moment when video plays single time - it starts to go smoothly.
I use FLV files as videos and a sequence of PNG as an object on the video. FLV and PNG is 1920x1080. Flv and PNG's are loaded in the SWF file directly from library.
Here's the questions : Is there some sort of file buffering when the files are firstly displayed? Will it be better to load video from External files?
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Jul 25, 2011
I would like to know how flash handles multiple HD video layers. We're planning a project:
- Flash document size 1920x1080
- In the background will be multiple HD videos(probably StageVideo that I will make show and play at certain events - like transition to the menu category)
- In the center of the screen will be a fancy menu object that consists of a PNG sequence's.(6 sequences)
- And a FLV HD Video in the foreground with alpha(maybe some visual effects).
The question is : Is it possible to make something like this without the users to experience lags?
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Aug 26, 2009
I would like to play back 3 reasonably high res videos (On2 VP6-S) simultaneously in one Flash App (using flash.video, netstream and netconnect - code only). Unfortunately, when I do this, the video playback drops a lot of frames, however, CPU usage does not go much above 50% - spread over both cores. I'm using a Core2Duo. If I play the same 3 videos simultaneously in 3 separate flash apps (FP10), they play much better (and use close to 100% CPU). I even tried creating it as an AIR app with 3 separate windows (NativeWindow), but that made little difference. I have lodged this as a bug via the Flash Bug Reporting System [URL].
And yes, I do need to be doing something as crazy as this - it is for a pretty cool kiosk app, so I know what hardware will be used (and it has a good Graphics Card). One promising workaround appeared to be playing back a single NetStream in multiple Video instances, as it is NetStream that does the decoding, so I could decode once and present it in 3 places. Two of my video objects are actually the same flv (on different monitors), so there would be a 33% saving right there. If necessary, I could encode both flvs into a single 1920x1200 flv (I've checked - it would play back ok) and then use video.mask to show the relevant bits.
[Code]....
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Feb 10, 2011
I've just learned this process in the Flash CS4 help manual (page 276), but unfortunately the sound track I placed in a movie clip timeline (used as a button OVER state) doesn't stop playing once I mouse away from the button. So, I presume a simple myBtn.addEventListener(MouseEvent.MOUSE_OVER, clickHandler) could allow me to execute a method in a function to stop the repeating sound.
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Sep 2, 2011
[Code]...
addElement and removeElement is called by two separate timer events. And in each method it modifies the global variable NoOfElements. Is there a method to synchronize variables in acionscript ?
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Jul 27, 2010
I have multiple children movieclips containing png images inside of a parent movieclip. The parent movieclip has a slow looping animation. The children don't stay in sync with one another during the animation. It becomes obvious to see because there is a background child clip with other child clips on top of it. It appears to only happen with movieclips containing a bitmap image. Does anyone have an easy fix or work around for this?
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Nov 10, 2009
I am planning an implementation for a lecture capture solution for a local university. It is supposed to record all aspects of the lecture: the presenter will be recorded using videocamera + mic, his desktop activity is captured and optionally the whiteboard is captured as well (using Mimio). These input streams arrive (as video streams) to a computer that stores the recording on its harddisk. The file format for the recording should be able the hold multiple streams (Matroska for example).
The recording will be available from the uni's website. So at the client-side Flash seems a natural choice.
The player should display the different input sources into different rectangular regions of the player. One region displays the presenter, another region displays the desktop recording.
Is it possible to use a Matroska file as source for Flash streaming? If yes, how?
If no, is there another container format more suitable for this? The FLV format can only hold one audio and one video file. Is it possible to have one Flash client receive multiple streams and diplay them in different regions of its own canvas?
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Oct 16, 2011
Is it possible to have a same Video object ( and perhaps StageVideo) connected to multiple NetStream's objects? It's videoconferencing app, in which all members can speak ( So multiple audio sources) but should not hear themselves (that's why I don't join them in a single stream).
That's what I tried:
ns = new NetStream(nc);
ns.addEventListener(AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler);
ns.client = this;
ns.play(streamName1);
ns2 = new NetStream(nc);
[Code]...
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Jul 27, 2010
I'm building a game with two main objects on screen.
1) An animated MovieClip with 144 frames inside.
2) A ball that will be moving around the screen.
I've animated both objects with two different timers. One has a delay of 0.0333 seconds (30 fps) and the other has a speed of 0.0222.
Now there is something I do not understand. If both objects start moving/animating at the same time... When my ball reaches certain point on the stage, I check the currentframe property of the other animated moviclip but it's never on the same frame at that point. It varies...
If they are both at a constant speed, even though they are different speeds, why would the animated movieclip be on a different frame each time? It varies a few frames each time I output it to check.[code]...
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May 17, 2010
I'm doing an Assignment where I have to build a website using Flash and for it to contain 4 video's.How can I have one single video player where the user can select what video's they want played in it from the website?
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Nov 22, 2009
I am creating a Flash site for a client who wants to display many (about 15) fairly hi-res photos as well as a video. I am using the Video class to display and control the video, and the Loader class to load the photos. I preload them from an XML file up front, while "loading..." is displayed.
The video plays immediately after the loader finishes, and the user can also choose to view the slideshow, which has left/right arrows which show each photo with a simple fade tween between each one.
The problem I am having seems to be that when all these assets are loaded, the video and the "fade" effects are very choppy. If I cut down on the number of photos, everything works fine; but I have to include all of them, plus the video.
I am storing all the Loader instances in an array, and when they are requested, I add them to the stage and fade them in. When it finishes fading in I remove the previous one from the stage. So they are all stored in Flash's "memory", but there is only one Loader or Video instance on the stage at any given time. Is there a better way to handle this? Perhaps some way to cache the images but not bog down Flash's memory? I would prefer to have everything loaded up front in order to avoid needing a "loading..." for every slide.
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Apr 14, 2010
I have a web site that displays a column of flash videos. The page is w3c-valid. The problem is that the page loads very slowly and sometimes crashes my web browser. Until the page is fully loaded, the videos are slow to respond and play. Is there a way to make these videos load their preview images only? What should I do to speed the page up? The videos are 360x264.
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May 27, 2008
I'm having trouble getting a decent system running for playing multiple independent flv movies in a container clip using the flv component back-to-back. I guess what I'm looking for is tips or examples of creating the video equivalent of a slide show - with options to skip next, previous and go to a specific clip.
Basically, at the heart of it, I'm just setting flvcomponent.play(newcontentpath) via actionscript. But that causes a skip of about 0.5s while flash switches gears and begins the next clip.
Does anyone have any tips on achieving good transitions in actionscript2? More generally and tips on dealing with video via actionscript .
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Nov 28, 2008
I have this project in mind which I want to create a video montage of different live streaming videos from a few different users with their webcam in different locations. There will be the website which the participants will be able to view the live video montage in real time. However, I am unsure of where to start with (live video & server).
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Apr 19, 2010
I plan to use a timer event to fire every second (for a clock application).
I may be wrong, but I assume that there will probably be a (very slight) sync issue with the actual system time. For example the timer event might fire when the actual system time milliseconds are at 500 instead of 0 (meaning the seconds will be partially 'out of phase' if you will).
Is there a way to either synchronize the timer event to the real time or get some kind of system time event to fire when an second ticks in AS3?
Also if I set a Timer to fire every 1000 milliseconds, is that guaranteed or can there be some offset based on the application load?
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May 1, 2011
I have a flash project where I have two movies that are supposed to synchronize, depending on user choices. Most of the time they do, randomly they do not. So I thought perhaps there is something wrong with the code I am using.
Code:
on (press){
this.movie1.gotoAndPlay(random(this.movie1._totalframes));
if(this.movierandom.enabled == false){
this.movie2.gotoAndPlay(this.movie1._currentframe);
}}
What's supposed to happen is, when the button is pressed, movie1 goes to a random frame and plays. If movierandom is not enabled, movie2 is supposed to go to the same frame as movie1 and play. Movie1 and movie2 have the same number of frames. Occasionally, movie2 goes to a different frame.
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Sep 27, 2010
I've got a bit of a niche problem, in that I was tasked with making an animation for a 5760px X 1080px video wall. I tossed with the idea of doing a video in after effects instead but then decided the resulting file would be too large and encumbersome so I decided to pursue my other idea which was through flash. Now as you all probably know, maximum dimension for flash is half of what i need, 2880. So i made a half size mock up, got it approved and basically translated that into x3 1920x1080 fla's each containing a 3rd of the total animation, all synced for each other.
Now I need to figure out the best means of playing them together synced fullscreened on the video wall, which has just gone up. We are going to have a content management system that most likely will be able to sync the files but I'd really like the swf's to be able to sync without any help just incase sorta thing.
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Dec 30, 2010
How many instances of Video, NetStream and NetConnection would be needed for multiple videos? Not sure that's the right question but essentially here's the objective:
Currently, I'm working on an interactive product tour, parts of which are to consist of short video clips, each covering a feature. While only one such clip will be playing at any given time, I'd like put them all at the application's fingertips as part of the initial preloading process before launching into it. The idea is to provide a seamless instant-play user experience without hitting the breaks before individual segments.
[Code]....
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Jun 23, 2011
I had a question about RED5 & Adobe... Does anyone know if it is possible to broadcast multiple video chats using Adobe flash player from "RED5 flash server"?
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Feb 7, 2011
I want to synchronize sounds perfectly to do a kind of Audio Mixer, using different sounds. [URL] does it perfectly, I've been researching and researching and I just don't know how to do it! How does [URL] synchonize audio so perfectly? you can even change sounds and the new ones will come on time! How do I do that? Is it just Action Script? or something else?
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