Calling a createRealizedPlayer method causes the calling thread to block until the player reaches the Realized state. This question appears to be off-topic. The following line of code creates a Realized player, which we need in our example application:. The source code for these applications contains many javadoc-style comments. To do that, an RTP session is created for each media track. In the Manager class, we can create a Processor object through one of two method types: Webarchive template wayback links Pages using deprecated image syntax.
Uploader: | Tezil |
Date Added: | 20 May 2004 |
File Size: | 5.91 Mb |
Operating Systems: | Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X |
Downloads: | 29634 |
Price: | Free* [*Free Regsitration Required] |
Java Media Framework
By chaining together JMF's input, process, and output models, we can begin to conceive jmsutdio the many media-based operations that are possible through JMF. To get started on deeper applications of JMF, you may want to follow up on some of the advanced topics mentioned in the next section. We create a new javax. JMF handles all of the details of interfacing with the media file types.
Java Media Framework basics
We can talk about our final example in terms of the process model we defined in the previous section. In the MediaPlayerFrame we use the following components:. It takes 3 sourcs For further reading on any of the topics covered in this tutorial, refer to Related topics.
The video player example is designed to run from the command line, much like the audio player example did, but this example is GUI based. Stopping the transmitter is just as simple.
You would not want to add a visual component to the audio player frame. We start the MediaTransmitter by calling the startTransmitting method on it, as shown here:. This tutorial will walk you through the basics of working with JMF.
For example, a Player must go through both the Prefetched and Realized sojrce before coee may be started. This concept is referred to as streaming media.
This creates a file named MediaPlayerFrame. For a jmstuxio application to do something useful with a Control instance besides being able to display its visual componentthe application would need to know the specific type of the Control and cast it to that type. How do we handle problem users?
java - Any legitimate way to get the JMF source code - Stack Overflow
Java APIs Multimedia frameworks. These three instance variables may be mapped directly into the above process model diagram, as follows:.
A number of worthwhile exercises were beyond the scope of this tutorial. The biggest difference is that we're going to dig a little deeper into the Player instance, particularly when it comes to getting information about the media from the Player.
If this option is turned off, remember to include the JMF jar files in the classpath when you compile or run any of the examples in this tutorial. Also the jmstudo of the video should be a multiple of 8x8. The JMF component architecture is very flexible, and its components can generally be classified in three groups:.
For a list of audio and video file formats acceptable for use in JMF, see Related topics. All of the above interface methods return coode instance of the java. For instance, in our previous example, we did not need to tell the application to create a Player specifically for an MP3 file, since the MP3 setup was handled for us.
Java Media Framework basics
From this, you can begin to see how our different components are linked together in the process model: See Related topics to download the Java 2 platform, complete source files, and other tools essential for the completion of this tutorial. This creates the SimpleAudioPlayer. How to run this sample: Transcoding to Different Formats. jjmstudio
In the previous section, we walked through the steps of setting up an application that lets you play audio files through a command-line interface. Compile the example application by typing javac MediaTransmitter. Any relative file names will be resolved relative to the current working directory. To stop playing, press the Enter key.
No comments:
Post a Comment