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• How to stream a WAV file?

  - by jonasb

  I'm writing an app where I record audio and upload the audio file over the web. In order to speed up the upload I want to start uploading before I've finished recording. The file I'm creating is a WAV file. My plan was to use multiple data chunks. So instead of the normal encoding (RIFF, fmt , data) I’m using (RIFF, fmt , data, data, ..., data). The first issue is that the RIFF header wants the total length of the whole file, but that is of course not known when streaming the audio (I’m now using an arbitrary number). The other problem is that I'm not sure if it's valid since Audacity doesn't recognise the file, and Windows Media Player opens the file but plays only a very small part. I've been reading WAV specs but haven’t found an answer. Any suggestions?

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• Razor View Engine and jQuery

  - by rjovic

  Hi, does anybody know how to force Razor View engine to print exact line which is under foreach loop. Code follows : @section head{ <script type="text/javascript" src="@Url.Content("~/Content/Scripts/jquery-1.4.1.js")"></script> <script type="text/javascript" src="@Url.Content("~/Content/Scripts/jquery.progressbar.min.js")"></script> <script type="text/javascript"> $(document).ready(function() { @foreach(var player in Model) { jQuery("#pb@PlayerID").progressBar(); } }); </script> } I tried using $() and jQuery() but in both case razor don't know what to do. Is there any way to force him to print exact this : jQuery("#pb@PlayerID").progressBar(); . I want to have something like this : $(document).ready(function() { $("#pb1").progressBar(); $("#pb2").progressBar(); $("#pb3").progressBar(); }); Thank you in advance!

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• iOS app rejected by itunes team for copyright when embedding video from youtube

  - by Thiru Subramaniam

  I have created a simple app for my client with his selection of youtube videos embedded via iframe player and html5. The app got approved in android store whereas itunes rejected it claiming below, "Apps may not use protected third party material such as trademarks, copyrights, patents or violate 3rd party terms of use. Authorization to use such material must be provided upon request" Below is the link for the app in android. https://play.google.com/store/apps/details?id=com.jayam.shortfilms While I share videos using the html code obtained from youtube share button, still apple is claiming that I should provide evidence of copyright from each video owner. Any experiences of this kind will be very helpful for me.

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• sIFR3 smoothing and IE

  - by Misiur

  Hi, i've started to use sIFR3. I don't know how to turn on smoothing of font. Do i need to change it in my font.swf file? In FF3 it work perfect, everything is okay, but when i turn on my IE8, nothing changes. Even live example doesn't work (http://work.likeaninja.co.uk/sifr/demo/). What's going on? My Flash Player is "WIN 10,1,51,95" (http://kb2.adobe.com/cps/155/tn_15507.html). I thinks it's beta, but it shouldn't change anything. Help!

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• How to repaint another Qt class

  - by RR

  Hi all, I'm a new bit in Qt... I have a Qt GUI application (written by me), let's call it QtAPP.exe When QtAPP.exe running, I will use a QThread and QProcess to execute some external file, such as player.exe (written in native C). Here's my question: In QtAPP.exe, there are 2 classes, 1. QMainWindow - Core of QtAPP.exe 2. QThread - A thread class to execute external things For now, if I got a finished() signal in that QThread, how do I to force the QMainWindow to repaint itself ? Hope somebody can show me some tips, maybe sample code :) Any suggestion are welcome~

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• JQuery Two colour slider control automatic move

  - by Geetha

  Hi All, I creating a slider control with two colours for media player streaming. Working: i can drag/ move the slider. Needs: I want to move the slider automatically.(1. Once the control is ready and 2. After changing the position of the slider, from that position it has to move automatically) Code: var slider1 = new Control.Slider('handle1', 'track1', { animate: true, range: $R(0, 10), max: 10, min: 0, sliderValue: 5, startSpan: 'span1', onChange: function(v) { handleSliderChange(v); } }); Plugins: <script src="js/prototype.js" type="text/javascript"></script> <script src="js/slider.js" type="text/javascript"></script> Geetha.

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• Can FLV AAC stream be played in Android

  - by HariKJ

  Hi, I'm trying to build a radio player and the client is providing a stream which is a FLV container with the audio being AAC When I read the headers it shows up as audio/aacp. I have tried all possible ways such as using the 1) Streaming through mediaplayer (Does not work) 2) Use the NPR mode of using a proxy stream (I get a broken pipe exception) 3) Play it in chunks ( Plays but I need the SDCard and the playback is not very great) 4) Use the GPL'd FAAD2 Library but I would have to pay the royalty fee Can some one help me out on figuring this issue out. The last option that I have is to have my client change the stream to mp3 container (which I know that it works) Regards, Hari

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• C++: Create abstract class with abstract method and override the method in a subclass

  - by Martijn Courteaux

  Hi, How to create in C++ an abstract class with some abstract methods that I want to override in a subclass? How should the .h file look? Is there a .cpp, if so how should it look? In Java it would look like this: abstract class GameObject { public abstract void update(); public abstract void paint(Graphics g); } class Player extends GameObject { @Override public void update() { // ... } @Override public void paint(Graphics g) { // ... } } // In my game loop: for (int i = 0; i < objects.size(); i++) { objects.get(i).update(); } for (int i = 0; i < objects.size(); i++) { objects.get(i).paint(g); } Translating this code to C++ is enough for me.

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• Creating Ruby applications for Windows.

  - by Omega

  I want to develop a Windows application. Honestly I care little about cross-platforms for now (but still would be good) I want to use Ruby, since it has quite a simple syntax and is so.. well, simple and easy to learn. My application is like a "game level creator", where you can design your own level and then run it with another application which is a "game level player" by reading the project file created by the creator app. You get the idea. Now, I got a new PC and is completely clean. Absolutely no trace of my old Ruby experiments and fails. First of all, I will need to choose a GUI platform for my Ruby application! Can you recommend me one? I have heard of Shoes and Tk, but want to know what you think.

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• aacplus frame alignment problems

  - by Daniel Mošmondor

  I have an application that rips aac+ audio streams, cutting them at every regular interval (i.e. 10 minutes). Sometimes files are playable OK, but sometimes, Windows Media Player just closes when trying to build DirectShow graph. I am using Orban aacplus plugin, and it works under directshow. When I play this file with winamp or vlc, that have it's own aacplus decoding engine, it works fine. However, I need it to work under directshow. Anyway, problematic file is here: http://www.videophill.com/files/00272-20100418100002.aac I know that there is frame alignment error and I confirmed my theory by filling first 256 bytes with 0x00, tried to play it again, and it worked. Is there any info on aacplus frames available on the web, so I can try to find the beginning of the frame manually and cut the rest off?

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• Opinions on platform game actor/background collision resolving

  - by Kawa

  Imagine the following scenario: I have a level whose physical structure is built up from a collection of bounding rectangles, combined with prerendered bitmap backgrounds. My actors, including the player character, all have their own bounding rectangle. If an actor manages to get stuck inside a level block, partially or otherwise, it'll need to be shifted out again, so that it is flush against the block. The untested technique I thought up during bio break is as follows: If an actor's box is found to intersect a level box, determine where the centerpoints of each rect are. If the actor's center is higher than the level box's, move the actor so that the bottom of the actor's rect is flush with the top of the level's rect, and vice versa if it's lower. Then do a similar thing horizontally. Opinions on that? Suggestions on better methods? Actually, the bounding rects are XNA BoundingBlocks with their Z spanning from -1 to 1, but it's still 2D gameplay.

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• Blank Swf after printing from another app.

  - by Carlos Barbosa

  Ok, so i am having a problem, where i developed an app that uses the webcam, adds an image and then takes a picture, well, i implemented textbook style the printjob, and well everytime after printing my swf goes blank. http://stackoverflow.com/questions/3021557/as3-printing-problem-blanks-swf-after-print-or-cancel But now i have been continuing testing, and i found out, that if i print from another application and then comeback, my video stream from the webcam is blank, this has no sense at all, since i am printing from another app. Please i need help with this, i have found one additional case: http://board.flashkit.com/board/showthread.php?t=781089 What is going on here i mean, this must be a flash player issue right.

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• Conceptually, how does replay work in a game?

  - by SnOrfus

  I was kind of curious as to how replay might be implemented in a game. Initially, I thought that there would be just a command list of every player/ai action that was taken in the game, and it then 're-plays' the game and lets the engine render as usual. However, I have looked at replays in FPS/RTS games, and upon careful inspection even things like the particles and graphical/audible glitches are consistent (and those glitches are generally *in*consistent). So How does this happen. In fixed camera angle games I though it might just write every frame of the whole scene to a stream that gets stored and then just replays the stream back, but that doesn't seem like enough for games that allow you to pause and move the camera around. You'd have to store the locations of everything in the scene at all points in time (No?). So for things like particles, that's a lot of data to push which seems like a significant draw on the game's performance whilst playing.

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• MPMoviePlayerController seems to make 2 calls for each movie

  - by user76328

  I seem to have an issue where an iphone app using the MPMoviePlayerController seems to make 2 calls to the server for each video it wants to play back. This occurs with iphone 3.x OS and libraries but not with iphone 2.x. I know that iphone does progressive download and will make multiple 206 requests, etc. but as far as our back end is concerned the player appears to make 2 separate sessions. This only appears to be an issue with iPhone native apps and not iphone videos played through safari. Additional info from apple: iPhone OS 3.0 added support for streaming audio and video over HTTP, and MPMoviePlayerController must validate the media before playback to determine if it is streaming content or progressively downloaded content. This is the delay you are experiencing. On a fast network, the delay should be minimized. Is this double check causing 2 sessions be created for each video request? Any one else seeing same issue? Is there a remedy?

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• Streaming video using realnetwork helix

  - by aspdotnetjunkie

  Hi all and thanks in advance. I'm new to streaming media. I've just signed up for streaming services from gate.com for my website. They provided me with the following info. It says it's provided by realnetwork Helix This is all they gave me, with no instructions of how to do it. UN:media.mydomain.com Password:xxxxxx Hostname: rtsp://media.mydomain.com:554/media.mydomain.com/FileName.rm Questions: How do I upload videos to my new account? Can I play them using flash player? Thank you,

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• How to go about with real GUI development with Java Swing and MVC.

  - by Myth17

  I am creating a Blackjack Card game emulator. I am a SCJP,familiar with Core Java concepts. I have a very basic understanding of Java swings and awt. Already finished writing the basic game logic,a CLI logic. My design includes several classes like, Dealer,Player,Table,Card,Casino and some others.. Enums for Cards and suite. I have read about MVC as a theoretical concept, familiar with the name 'design patters'(no understanding whatsoever as to how they are implemented) Everywhere I am suggested to learn while writing some real code.So I started off with this... I am stuck now, how should I go about writing code for my project?? Writing the GUI code and organising it within the already existent code.

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• How to split movie and play parts to look as a whole?

  - by luksow

  I'm writing software which is demonstraiting video on demand service. One of the feature is something similiar to IIS Smooth Streaming - I want to adjust quality to the bandwith of the client. My idea is, to split single movie into many, let's say - 2 seconds parts, in different qualities and then send it to the client and play them. The point is that for example first part can be in very high quality, and second in really poor (if the bandwith seems to be poor). The question is - do you know any software that allows me to cut movies precisly? For example ffmpeg splits movies in a way that join is visible and really annoying (seconds are the measure of precision). I use qt + phonon as a player if it matters. Or maybe you know any better way to provide such feature, without splitting movie into parts?

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• how to use use case relations - uml

  - by joao alves

  Heys guys! Im have been study UML and im trying to to design the use case diagram of a problem. Lets supose my app consists in this: Two Requesites: - create teams - create players This is the deal: A user can create a team, and after create a team he can create players for that team(not required). But in this app there are multiple users, and a user can create a team and other user can create players. The only constraint is that to create players must exist alreay a team. I research and i end up a little confuse. If i get the concepts of relations on use case diagrams right, i think i should have the folowwing two use cases: [use case - create team] <-------extends---- [use case - create player] I need opinions,Is this the proper solution? or should i have two not related use cases? Thanks in advance, and im sorry my english.

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• highlight scrolling text on iphone(about lyrics show )

  - by ????

  hi all, i'm in troubled show lyrics .i use uitextview show lyrics code snips IBOutlet UILabel *lrcshow; IBOutlet UITextView *showlrc; self.lrcshow.text = [lrcDictss objectForKey:[NSString stringWithFormat:@"%d",(int)self.player.currentTime]]; if (self.lrcshow.text!=nil) { NSRange selection = [self.showlrc.text rangeOfString:self.lrcshow.text]; if( selection.location != NSNotFound ) { showlrc.selectedRange = selection; } } lyrics line by line scrolling show,the problem is now playing(selectedRange) lyric is not highlight, i want this line highlight how can i code ? any suggestion?or use calayer ?cgcontext quartz core instead it? how can i code ? ps.use uitextview show is rigidly ,not smooth! lr style show pic url this is my app style: http://www.flickr.com/photos/53054715@N05/5359722887/ this is good style: flickr.com/photos/53054715@N05/5360345226/

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• AS3 try/catch out of memory

  - by StfnoPad

  Hi, I'm loading a few huge images on my flex/as3 app, but I can't manage to catch the error when the flash player runs out of memory. Here is the what I was thinking might work (I use ???? because i dont know what to catch): try{ images = new Array(frames); for (var i:uint = 0; i < frames; i++){ imagesBA[i] = new BitmapData(width, height, false, 0x000000FF); } } catch(error:????){ Alert.show("Out of memory!"); } Any idea what ???? can be? Or does anyone knows how to catch when there is no memory for a variable?

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• How to know when the MPMoviePlayerController has been paused in iPhone?

  - by iPhoney

  I want to add an overlay view for my video when the video is paused by the user. Is there any way to get the pause notification from MPMoviePlayerController? According to Apple Doc, there should be ways to do this but I can't find which notification should I use for this purpose. Quote: In addition to being notified when playback finishes, interested clients can be notified in the following situations: -When the movie player begins playing, is paused, or begins seeking forward ... For more information, see the Notifications section in this reference.

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• How to make code run a certain amount of times before returning something?

  - by user3564967

  I made a trivia game and I have to make a method (SuccessOrFail) that will return whether the user beat the trivia or not. namespace D4 { /// <summary> /// Displays the trivia and returns whether the user succeeded or not, number of questions asked, and a free piece of trivia. /// </summary> public partial class TriviaForm : Form { private Trivia trivia; private Question question; private Random rand = new Random(); private HashSet<int> pickedQuestion = new HashSet<int>(); private string usersAnswer; private int numCorrectAnswers; private int numIncorrectAnswers; public TriviaForm() { InitializeComponent(); this.trivia = new Trivia(); QuestionRandomizer(); QuestionOutputter(); } /// <summary> /// This method will return true if succeeded or false if not. /// </summary> /// <returns>Whether the user got the trivia right or not</returns> public bool SuccessOrFail(bool wumpus) { bool successOrFail = false; int maxQuestions = 3; if (wumpus == true) maxQuestions = 5; int numNeededCorrect = maxQuestions / 2 + 1; if (this.usersAnswer == question.CorrectAnswer.ToString()) numCorrectAnswers++; else numIncorrectAnswers++; if (numCorrectAnswers + numIncorrectAnswers == maxQuestions) { if (numCorrectAnswers == numNeededCorrect) successOrFail = true; else successOrFail = false; numCorrectAnswers = 0; numIncorrectAnswers = 0; return successOrFail; } else return false; } /// <summary> /// This method will output a free answer to the player. /// </summary> public string FreeTrivia() { return question.Freetrivia; } // This method tells the player whether they were correct or not. private void CorrectOrNot() { if (this.usersAnswer == question.CorrectAnswer.ToString()) MessageBox.Show("Correct"); else MessageBox.Show("Incorrect"); } // Displays the questions and answers on the form. private void QuestionOutputter() { this.txtQuestion.Text = question.QuestionText; this.txtBox0.Text = question.Answers[0]; this.txtBox1.Text = question.Answers[1]; this.txtBox2.Text = question.Answers[2]; this.txtBox3.Text = question.Answers[3]; } // Clears the TextBoxes and displays a new random question. private void btnNext_Click(object sender, EventArgs e) { this.usersAnswer = txtAnswer.Text; CorrectOrNot(); this.txtQuestion.Clear(); this.txtBox0.Clear(); this.txtBox1.Clear(); this.txtBox2.Clear(); this.txtBox3.Clear(); this.txtAnswer.Clear(); this.txtAnswer.Focus(); QuestionRandomizer(); QuestionOutputter(); this.txtsuc.Text = SuccessOrFail(false).ToString(); } // Choose a random number and assign the corresponding data to question, refreshes the list if all questions used. private void QuestionRandomizer() { if (pickedQuestion.Count < trivia.AllQuestions.Count) { int random; do { random = rand.Next(trivia.AllQuestions.Count); } while (pickedQuestion.Contains(random)); pickedQuestion.Add(random); this.question = trivia.AllQuestions.ToArray()[random]; if (pickedQuestion.Count == trivia.AllQuestions.ToArray().Length) pickedQuestion.Clear(); } } } } My question is how to make it so that the code asks the user 3 or 5 questions and then returns whether the user won or not? I was wondering if somehow I could make a public void that would just make the form pop up and ask the user 3 to 5 questions and then once it asks the maximum number of questions, to close and then have a method that returns true if the user won, or false if they didn't. But I literally have no idea how to do that. Edit: So I know a for loop can make code run more than once. But the problem I'm having is, is that I don't know how to make it so that the trivia game asks 3 to 5 questions BEFORE returning something.

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• parsing a xml to get some values

  - by Joan Silverstone

  Hello, i have this xml: http://www.managerleague.com/export_data.pl?data=transfers&output=xml&hide_header=0 These are player sales from a browser game. I want to save some fields from these sales. I am fetching that xml with curl and storing on my server. Then do the following: $xml_str = file_get_contents('salespage.xml'); $xml = new SimpleXMLElement($xml_str); $items = $xml->xpath('*/transfer'); print_r($items); foreach($items as $item) { echo $item['buyerTeamname'], ': ', $item['sellerTeamname'], "\n"; } The array is empty and i cant seem to get anything from it. What am i doing wrong?

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• How to get Flex app to load quicker?

  - by Shef

  We've got an app written in Flex that displays data from our app. The .swf file is only 427kb, but it takes a full five seconds to load in Firefox. This is a headache for our users because they need to access the page that contains the app frequently. (The app displays documents, and it's really slow to march through a list of them). I've confirmed that it's not a slow web server problem. The .swf appears to be cached in the browser. Firebug reports that every time the web page accesses the .swf, the app server returns a "304 Not Modified" response, meaning that the load time from the server is almost zero. Is there anything we can do to debug this issue? Or is the Flash player just slow?

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• What to add to git repo?

  - by Ryan

  I am doing a video player. I have the following in my project folder: these four dirs should each be on their own line: /source /sample_applications /images /videos Right now the repo just includes the /source directory...which is code only. It is on my local computer. I am thinking of adding it to git hub. My question is: should I add the sample apps, the images and the videos to the repo? Is that something that people normally do and that other people want people to do? Can git even handle videos(noob here)?

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