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  • Transcoding audio and video

    - by Lance Fisher
    What is the best way to transcode audio and video to show on the web? I need to do it programmatically. I'd like to do something like YouTube or Google Video where users can upload whatever format they want, and I encode it to flv, mp3, and/or mp4. I could do it on our server, but I would rather use an EC2 instance or even a web service. We have a Windows 2008 server.

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  • Doing a loop on android (Audio)

    - by James Rattray
    I have a track I want to play 'megadeth', i'm calling it by... final MediaPlayer mp = MediaPlayer.create(this, R.raw.megadeth); And playing it by using 'mp.start' And I just want to know, how can I get this audio mp3 to loop? -Can you give me the code? Thanks alot,

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  • Ruby: play, pause, resume aac (audio) files

    - by rahul
    I need to play, pause and resume AAC (audio) files from a ruby console program (much like iTunes or any music player). After much searching, I've come across these libraries: mp3info metadata id3lib-ruby rvideo (uses ffmpeg) These seem to help me in getting track length and tags which i also need, but I need something to play AAC (at least) and if possible other formats. I also must be able to pause and resume (so shelling a program like mpg321 is out).

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  • Play audio file on hover

    - by powtac
    What is the best solution to play an audio file on mouse over via JavaScript? And stop it when the mouse leaves the link. jQuery is available. <a href="/test.mp3" class="play">play</a>

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  • Android: Playing an audio clip onClick

    - by fordays
    How do I set up an audiofile to play when a user touches an image. Where should I store the audio file and what code should I use to actually play the file? I don't want to bring up the MediaPlayer interface or anything like that. I was thinking of doing it like this: foo = (ImageView)this.findViewById(R.id.foo); foo.setOnClickListener(this); public void onClick(View v) { if (foo.isTouched()) { playAudioFile(); } } Thanks

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  • Play audio url on windows mobile

    - by Thyphuong
    I'm going to write a function to play a mp3 file from an URL on Windows Mobile without downloading all the stream to mobile. I read some documentation and faced some problem that. Using NAudio.dll : The dll is not compatible for Windows Mobile Using DirectShowLib.dll : have not found way to get from audio stream. Is there any way or any dll else to help me?

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  • Bpm audio detection Library

    - by user58815
    I'm looking for a library that simplify tempo/bpm audio detection. Something similar to this http://adionsoft.net/bpm/ , but to use on *NIX machines. Any language, but preference goes to php, perl, python.

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  • Audio processing libraries for Ruby?

    - by J. Pablo Fernández
    Any recommendation on libraries to do audio processing in Ruby. I need to do the following two tasks: Find silences, for which I'm happy to just be able to iterate over each sample in the wave. Cut and paste pieces of wav files to form a new wav file. Convert wav to mp3, which I will probably leave to lame anyway. I'm looking for the equivalent of NAudio, a C# library.

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  • Audible Audio (.aa) file spec?

    - by Adam
    Does anyone know of a good resource on the Audible Audio (.aa) file spec? I'm trying to write a program that can use them, if no one knows of a resource, any tips on reverse engineering the spec my self? I opened it up in a Hex editor and poked around, looks like an MP3 but with a ton more header info.

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  • Webcam streaming - WPF/C#

    - by Nebo
    I noticed few similar questions already, but didn't find exatly what I want. I'm trying to do the following. Have a client and server Webcam application. Server application is on a PC with a webcam connected to it and it streams the webcam output. Client application connects to a Server and shows the webcam video. What's the best and easiest way to to this? Are there any libraries or finished projects doing this? Thanks!

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  • Webcam streaming in a WPF application

    - by Nebo
    I noticed few similar questions already, but didn't find exatly what I want. I'm trying to do the following. Have a client and server Webcam application. Server application is on a PC with a webcam connected to it and it streams the webcam output. Client application connects to a Server and shows the webcam video. What's the best and easiest way to to this? Are there any libraries or finished projects doing this?

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  • IIS Smooth Streaming Manifest Bad Request Error

    - by snatch-02
    Hi, I installed IIS Media Services 3.0, and the Big Buck Bunny sample, but when I try to get the manifest file (http://localhost/Big_Buck_Bunny/Big Buck Bunny.ism/Manifest), I get 400.0 Bad Request error from the SmoothHandler. So the default.html appears in the browser, but the SL player shows error while trying to read the manifest. Anyone knows what can be the problem?

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  • Streaming live video from WCF service to Silverlight

    - by Yuval Peled
    Hi, I need to stream live captured data (from a screen/web cam) from a WCF service to a Silverlight client. Since it's live data I don't mind losing packets... More important that it will be real-time data. Any suggestions how can I do it? How does the WCF service transfer it? How does the Silverlight client should consume the stream?

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  • Shoutcast streaming

    - by jn
    hi, im currently working on a app for a podcast (katg.com) which will let you listen live etc... however, i have not found any open source code available to stream shoutcast. I know there are some ways of doing it, but I find it hard to find any available code on the net that explains it for a java/android beginner like myself. Anyone know of any libs/tutorial/examples/code that shows how to do this on android? Thanks JN

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  • streaming desktop to flash player

    - by Erwing
    hi I would like to stream my desktop screen (or one of the application which i select) to flash player i woul like to publish my desktop in web i have wowze media player to multicast it but i have to create stream and give it to the wowze do you have any idea how to start what would be the best for it can you recomend something?

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  • FMOD.net streaming, callback and exinfo parameters

    - by Tesserex
    I posted a question on gamedev about how to play nsf files (NES console music) in FMOD. It didn't get any results, but since then I made some progress. I decided that the easiest method was just to compile an existing player into a dll and then call it from C# to populate my buffer. The problem now is getting it to sound right, and making sure all my paremeters are correct. Here are the facts so far: The nsf dll is dealing with shorts, so the data is PCM16. The sample nsf I'm using has a playback rate of 60 Hz. Just for playing around now, I'm using a frequency of 48000. Based on 2 and 3, the dll calculates a necessary buffer size of 48000 / 60hz = 800. This means it will render 800 shorts worth of buffer for every simulated NES frame. I've so far got my C# code to play the nsf, at the correct pitch and tempo, but it's very grainy / fuzzy, which I'm attributing to the fact that the FMOD read callback is giving a data length of 1600, whereas I should be expecting 800. I've tried playing around with all the numbers and it either crashes, or the music changes pitch, tempo, or both. Here's some of my C# code: uint channels = 1, frequency = 48000; FMOD.MODE mode = (FMOD.MODE.DEFAULT | FMOD.MODE.OPENUSER | FMOD.MODE.LOOP_NORMAL); FMOD.Sound sound = new FMOD.Sound(); FMOD.CREATESOUNDEXINFO ex = new FMOD.CREATESOUNDEXINFO(); ex.cbsize = Marshal.SizeOf(ex); ex.fileoffset = 0; ex.format = FMOD.SOUND_FORMAT.PCM16; // does this even matter? It doesn't change my results as long as it's long enough for one update ex.length = frequency; ex.numchannels = (int)channels; ex.defaultfrequency = (int)frequency; ex.pcmreadcallback = pcmreadcallback; ex.dlsname = null; // eventually I will calculate this with frequency / nsf hz, but I'm just testing for now ex.decodebuffersize = 800; // from the dll load_nsf_file("file.nsf", 8, (int)frequency); // 8 is the track number to play var result = system.createSound( (string)null, (mode | FMOD.MODE.CREATESTREAM), ref ex, ref sound); channel = new FMOD.Channel(); result = system.playSound(FMOD.CHANNELINDEX.FREE, sound, false, ref channel); private FMOD.RESULT PCMREADCALLBACK(IntPtr soundraw, IntPtr data, uint datalen) { // from the dll process_buffer(data, (int)800); // if I use datalen, it usually crashes (I can't get datalen to = 800 safely) return FMOD.RESULT.OK; } So here are some of my questions: What is the relationship between exinfo.decodebuffersize, frequency, and the datalen parameter of the read callback? With this code sample, it's coming in as 3200. I don't know where that factor of 4 between it and the decodebuffersize comes from. Is datalen in the callback referring to number of bytes, or shorts? The process_buffer function takes a short array and its length. I would expect fmod is talking about shorts as well because I told it PCM16. Maybe my playback quality is bad for some totally different reason. If so I have no idea where to begin solving that. Any ideas there?

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  • Streaming Video with Blackberry Simulator

    - by Jenny
    So, I wrote a quick little app for the iphone that takes in an http URL, and plays the .mp4 video located at that URL (it does more than that, of course, but that's the meat of it). Naturally, I wanted to have it on more than just a single mobile platform, so I decided to target Blackberry next. However, I'm running into a lot of problems with the Blackberry Environment. First of all, I learn that I can only download 256k files! I learn how to set that variable in my MDS simulator (and learn that this is NOT a production solution, because any end users will have to have their BES or MDS admin change the setting there). Then, I find a video less than 2 MB I can practice with. Going to the browser prompts me to save the video (rather than it playing in the browser like I expected). After saving the video, it refuses to play, saying it's the wrong format. So. I can't find a reference to IF Blackberry can stream with HTTP (i"ve heard it CAN use RTSP, though, and heard some rumors that it can't use HTTP, which would really suck). I also can't find a reference to what format blackberry uses (although I can find a million programs that will convert one file to the 'blackberry' format). Surely SOMEONE must have tried to stream video with the blackberry before. How did they go about doing so? Is it just a hopeless pipedream? Will I have to go with RTSP? Sorry for the lack of a concrete question...I'm just really lost, and I hate how so many tutorials or forum posts seem to assume I know the capabilities of the Blackberry... Edit: I finally found out that the .3gp (which I'd never heard of ) format is what Blackberry uses. Still have no idea how to stream videos off the web, though. I found a tutorial: http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/1089414/How%5FTo%5F-%5FPlay%5Fvideo%5Fwithin%5Fa%5FBlackBerry%5Fsmartphone%5Fapplication.html?nodeid=1383173&vernum=0 That seemed to be useful, but the code doesn't work if you give it a URL (even though it claims it does).

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  • Streaming and conversion of video from 3rd Parth

    - by Ashish
    Hi, I am working on a App where video has to be displayed.All these video are in .flv format, Is there any mechanism by using that I can convert this video to .mov or .m4v (supported by iphone) on the fly, so that user can view those video on their iphone or ipod. Thanks, Ashish

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