I was wondering does anyone knows what video streaming infrastructure these guys are using.Front end(gui) is clear which technology these guys are using. On the net I found streaming servers are available, from flash, wowza and red5. From this link
red5 seems to have a bit bad reputation, is it so? has anyone used it? how was the experience?
I dont want to use third party host for streaming. Any suggestions to achieve the same on java based technologies.
Thanks in advance......
They are using RTMP (Real Time Media Transfer Protocol). You can use RTMPDump (a free utility) to save streaming media to your disk.
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I want to create a java server application which receives data from an Android client and also transmit notification to client. Actually i did not know much about server apps. I am quite familiar with servlets and mysql, is there any tutorials based on these??
So any suggestion how to build it or any tutorials for it?? please help me!
What you are probably looking for is Google App Engine a SaaS by Google. While there are many alternatives this is probably the best route you can take for implementing a Java based backend. Follow these tutorials* and you'll be good to go. Keep in mind the GAE is a bit complicated and will take some time to get on your feet.
https://cloud.google.com/appengine/docs/java
More tutorials on GAE can be found by a nice google search!
I have a plan to develop RTSP streaming server with java. Now I have to decide with library used to decode media and stream data in rtp format. I am looking into vlcj and xuggler for video decoding and streaming. I did some research about differences of these library but I cannot make a decision yet. So I would like to ask you guys if I want to build a server which provide following feature. Do you think which one is better?
1. can stream video on demand to multiple users
2. can receive stream in mms format and restream it to rtsp format
Initially, I try ffmpeg and ffserver but there is audio out of sync problem so I decide to make my own server. the good way to use vlcj is to use out-of-process but I am afraid about performance in video on demand. I think about xuggler but I am afraid that it will have the same problem as I have in ffmpeg.
Could you throw me your opinion which one is appropriate on this situation?
With VLCJ (or Xuggler) depend that the machine has run the necessary libraries installed. Also, personally, I could not do a pilot with VLCJ Streaming server (and I've tried for a long time).
Java SE provides a framework called JMF (Java Media Framework) for developing, among other things, a streaming server
http://www.oracle.com/technetwork/java/javase/tech/index-jsp-140239.html
This framework is not the best there is, but it's work.
As a final note, I can say that I have developed a streaming server in Java with JMF, you can see it here http://code.google.com/p/servidor-streaming-rtp-rstp-java/ to give you a reference.
Regards!
I want to read in a live video stream, like RTSP, run some basic processing on it, and display it on a website. What are some good ways to do this? I have used OpenCV for Python before but found it to be a hassle. I am also familiar with Java and C++ if there are better libraries available. I haven't done a lot of web development before either.
What kind of live video source that you mean? If you don't intend to do this code-wise, you can use the free VLC Player to act as a streaming service in between any kind of media stream source (file, network, capture device, disc) and your web video client.
But, if you intend to do this code-wise, you can you VLCJ library. Other options can be Xuggler or FMJ.
We are storing sound from mic to pc via sound forge.
We would like to broadcast the sound which comes from the mic to the pc as live streaming audio.
Basically a person speaks in a mic, we like to give it as live stream audio.
The web-site is hosted on yahoo server.
Can you please let me know in what are the ways we can achieve this?
Thanks,
Kathir
you can rent shoutcast/icecast2 stream from a lot of shoutcast/icecast2 stream hosters.
Then just embed flash based player with this stream in your site page.
Do you have SSH access to server? You can install shoutcast server(http://www.shoutcast.com/).
I don't know if you still have this issue but you will need a Shoutcast or Icecast server to do this. It can be complicated if you aren't familiar with operating a server. It's easier to rent space on a Shoutcast server. You can find a great service which is affordable at MyRadiHosting.
You would want to put a player code in your website that works across all browsers and devices. We use the one below and have had no issues.
<audio src="http://YOUR IP ADDRESS:YOUR PORT/;" id="MediaPlayer1" autoplay="autoplay" controls="controls">
Hope this answer helps!
I want to build a community website with videoconferencing functionality integrated. I would prefer to provide this from within the browser, so I'm looking for a Java- or Flash-based solution.
Also, it would be nice to spare bandwidth by having the clients stream their audio and video data without using a central server (like the way Skype works, for example).
Is there a reasonably mature open-source project that meets these criteria?
When doing Voice over IP, UDP is preferred, and web browser plugins usually lacks support for UDP and P2P-connections.
But there is a solution. You have to use Adobe Flash Player 10 and the Adobe Stratus for this. This is actually what Chatroulette is using for P2P streamed video chat.
Take it from someone who found out the hard way: Java's support for video playback is pisspoor. They keep promising a new, fantastic video playback system, but meanwhile we are STILL stuck with Java Media Framework, the platform-limited, MPEG-4 incompatible mess.
Your alternatives are Quicktime for Java and systems wrapping MPlayer/VLC/etc. None of those are really options for a browser.
Much as I hate Adobe and the evils of Flash site design, Flash is far and away your best option.
See the Xuggler library -- it includes code for playing back video (well, sample code) in the com.xuggle.mediatool.IMediaVieer object.