How to play media form InputStream with jmf or dsj?
the media format is avi or mp4.
media receive from socket and put in a ring buffer.now implement InputStream to read datas from buffer and play the data.
i want to know how to play media from inputStream
Hi, thanks for replying.
Im not exacly sure what year the imac is i cant seem to find it anywhere.
I bought the machine last year on apples refurbished site. Someone at Apple support suggested once that it maybe a 2010 model. In system profiler there is a thunderbolt tab in the left hand pane but it says there are no drivers loaded. Does that mean that thunderbolt is on the mac but i must install the drivers? If so, is it all plug and play after that or do i need to configure it all manually? If so coyuld you please point me in the right direction for instructions on how to do it. My tv for instance is saying that it cant find a server. As for vlc player, i use it all the time.Dont know what ide do without it !
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Possible? Yes!
Logical? Probably Not!
The JMF implements a number features that video players need and thus reduces the amount of coding required to produce video products.
I have a altered an MPEG-4 codec written in C so that it can be called via JNI (The Java Native Interface) meaning I can decode MPEG-4 content while programming in Java.
If I were to avoid using JMF then I would have to deal with the conversion of the output from YCbCr (Commonly but mistakenly called YUV) to RGB and then put in an object that the Java awt system could present on the screen e.g. BufferedImage etc. Then I would have to deal with the timing etc for framerates and make sure that the data was processed quickly enough to be displayed as desired.
But by using the JMF I can just write a codec plugin and let the JMF handle the rest.
Hope this helps,
StefHi, ii hope i explain this for ya
Jun4Java is an application written in java, it can handle 3d graphics and multimedia. The only way i found out that it was able to play the mpeg-4 movies, flash files, etc was buy actually running the application and trying to open and play the files with it - which it did.
As far as i can understand, jun4java uses the jni to enable it to play these media files, but to better explain it for you i think i'm gona post the readme file you get when you download the app, it explains jun4java, and it's capabilites better than i ever will...
Befoe you read it, the one thing i've noticed is that it seems to use the jni to play the multimedia through quicktime,
Jun for Java
"Jun for Java" is a name of a Java class library which can be
used as a framework to handle 3D graphics and/or multimedia. It
is an open source software, designed and implemented with object
oriented technologies, and of course free of charge.
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handling. Of course you can do OpenGL programming by using the
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including "ViewFinder" which shows 3D objects and allows users
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which shows graph structures (nodes and links) in a 3D space,
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"Jun for Java" also provides a QuickTime interface as a
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movie player. You also can embed the movie player to your
application. Some advanced features like specifing a clip,
playing and repeating the clip, and creating a movie file of the
clip are also available.
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graphics and multimedia, it is easy to coordinate them. For
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texture of a 3D object without any hard programming. This is
the one of the strongest points of "Jun for Java".
"Jun" was originally developed on VisualWorks (Smalltalk) and
ported to Java as a project for the Information-technology
Promotion Agency, Japan (IPA). "Jun for Java" currently runs
on Windows 98/Me/NT4.0/2000/XP, Linux, and Macintosh OS X. -
How to create a YUV Player with JMF
Hey again,
Just wondering anyone could give me some pointers on how to go about creating a player for raw YUV files. I want to create a player or plugin that will allow the system to play raw YUV files, if given the relevent parameters, frame rate, resolution, YUV subsampling etc,
Thanks,
StefOk, it's a bit course and I am looking into making a much neater version but this is code allows you to play local rawyuv files from a URL. This code is directly based on the "Generate Live Audio/Video Data" Sample Code (thanks again to mok524 for pointing me in this direction)
The code needs to be compiled and then the package 'ie.ucd.delboy' needs to be added to the Protocol Prefix List using the JMF Registry Editor. Then run the JMStudio and go to File>Open URL..
Then type in a URL in the following format:
rawyuv://<<local file location>>:F<<frame>>S<<width>>x<<height>>
example:
rawyuv://C:/my_directory/my_file.yuv:F10S352x176
So Here's the code:
package ie.ucd.delboy.media.protocol.rawyuv;
import javax.media.Time;
import javax.media.MediaLocator;
import javax.media.protocol.*;
import java.io.IOException;
import java.io.*;
import java.util.*;
import java.awt.*;
public class DataSource extends PushBufferDataSource
protected Object[] controls = new Object[0];
protected boolean started = false;
protected String contentType = "raw";
protected boolean connected = false;
protected Time duration = DURATION_UNKNOWN;
protected LiveStream[] streams = null;
protected LiveStream stream = null;
public DataSource()
public String getContentType()
if(!connected)
System.err.println("Error: DataSource not connected");
return null;
return contentType;
public void connect() throws IOException
if(connected)
return;
connected = true;
public void disconnect()
try
if(started)
stop();
catch(IOException e)
connected = false;
public void start() throws IOException
// we need to throw error if connect() has not been called
if(!connected)
throw new java.lang.Error(
"DataSource must be connected before it can be started");
if(started)
return;
started = true;
stream.start(true);
public void stop() throws IOException
if((!connected) || (!started))
return;
started = false;
stream.start(false);
public Object[] getControls()
return controls;
public Object getControl(String controlType)
try
Class cls = Class.forName(controlType);
Object cs[] = getControls();
for(int i = 0; i < cs.length; i++)
if(cls.isInstance(cs))
return cs[i];
return null;
catch(Exception e)
return null;
public Time getDuration()
return duration;
private String getFile()
String url = getLocator().toString();
int index_of_colon = url.indexOf(':');
int index_of_last_colon = url.lastIndexOf(':');
if(index_of_colon==index_of_last_colon)
index_of_last_colon = url.length();
String file = url.substring(index_of_colon+3, index_of_last_colon);
return file;
private float getFrameRate()
float frame_rate = 15; //15 set as default framerate
String url = getLocator().toString();
int index_of_last_colon = url.lastIndexOf(':');
String params = url.substring(index_of_last_colon+1).toLowerCase();
if(params.indexOf('f')!=-1)
int start = params.indexOf('f')+1;
int end = params.length();
if(params.indexOf('s') > start)
end = params.indexOf('s');
frame_rate = Float.parseFloat(params.substring(start, end));
return frame_rate;
private Dimension getFrameSize()
Dimension d = new Dimension(176, 144); //QCIF as default
String url = getLocator().toString();
int index_of_last_colon = url.lastIndexOf(':');
String params = url.substring(index_of_last_colon+1).toLowerCase();
if(params.indexOf('s')!=-1)
int start = params.indexOf('s')+1;
int end = params.length();
if(params.indexOf('f') > start)
end = params.indexOf('f');
String size = params.substring(start, end);
int x = Integer.parseInt(size.substring(0,size.indexOf('x')));
int y = Integer.parseInt(size.substring(size.indexOf('x')+1,size.length()));
d = new Dimension(x, y);
return d;
public PushBufferStream[] getStreams()
if(streams == null)
streams = new LiveStream[1];
stream = streams[0] = new LiveStream(getFile(), getFrameRate(), getFrameSize());
return streams;
package ie.ucd.delboy.media.protocol.rawyuv;
import java.awt.Dimension;
import javax.media.*;
import javax.media.format.*;
import javax.media.protocol.*;
import javax.media.protocol.DataSource;
import java.io.IOException;
import java.io.*;
public class LiveStream implements PushBufferStream, Runnable
protected ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.
RAW);
protected int maxDataLength;
protected byte[] data;
protected Dimension size;
protected YUVFormat yuvFormat;
protected AudioFormat audioFormat;
protected boolean started;
protected Thread thread;
protected float frameRate = 5f;
protected BufferTransferHandler transferHandler;
protected Control[] controls = new Control[0];
private FileInputStream fis = null;
private FileOutputStream fos = null;
private boolean EOS = false;
protected boolean videoData = true;
public LiveStream(String location, float frame_rate, Dimension frame_size)
frameRate = frame_rate;
try
fis = new FileInputStream(location);
fos = new FileOutputStream("C:\\stef_temp\\log_data.txt");
catch(Exception ex)
System.exit(1);
int x, y, pos, revpos;
size = frame_size;
maxDataLength = size.width * size.height * 3;
yuvFormat = new YUVFormat(size,
maxDataLength,
Format.byteArray,
frameRate,
YUVFormat.YUV_420,
size.width,
size.width / 2,
0,
size.height * size.width,
size.height * size.width +
((size.height / 2) * (size.width / 2)));
thread = new Thread(this);
public ContentDescriptor getContentDescriptor()
return cd;
public long getContentLength()
return LENGTH_UNKNOWN;
public boolean endOfStream()
return EOS;
int seqNo = 0;
double freq = 2.0;
public Format getFormat()
return yuvFormat;
public void read(Buffer buffer)
synchronized(this)
Object outdata = buffer.getData();
if(outdata == null || !(outdata.getClass() == Format.byteArray) ||
((byte[]) outdata).length < maxDataLength)
outdata = new byte[maxDataLength];
buffer.setData(outdata);
buffer.setFormat(yuvFormat);
buffer.setTimeStamp((long) (seqNo * (1000 / frameRate) * 1000000));
try
fos.write(("Bytes left in file: "+fis.available()+"\n").getBytes());
if(fis.available()==0)
fos.write("Reached end of file!\n".getBytes());
fis.close();
fos.close();
EOS = true;
fis.read((byte[]) outdata);
catch(IOException ex)
buffer.setSequenceNumber(seqNo);
buffer.setLength(maxDataLength);
buffer.setFlags(0);
buffer.setHeader(null);
seqNo++;
public void setTransferHandler(BufferTransferHandler transferHandler)
synchronized(this)
this.transferHandler = transferHandler;
notifyAll();
public void start(boolean started)
synchronized(this)
this.started = started;
if(started && !thread.isAlive())
thread = new Thread(this);
thread.start();
notifyAll();
public void run()
while(started)
synchronized(this)
while(transferHandler == null && started)
try
wait(1000);
catch(InterruptedException ie)
if(started && transferHandler != null)
transferHandler.transferData(this);
try
Thread.currentThread().sleep(10);
catch(InterruptedException ise)
public Object[] getControls()
return controls;
public Object getControl(String controlType)
try
Class cls = Class.forName(controlType);
Object cs[] = getControls();
for(int i = 0; i < cs.length; i++)
if(cls.isInstance(cs))
return cs[i];
return null;
catch(Exception e)
return null; -
How to play http live streaming with VLC using FMS 4.0
Hello,
i'm using FMS 4 and i need to play my http live streaming event with VLC
I have had the following result with firefox using the url : http://myip:8134/live/events/livepkgr.old/events/_definst_/liveevent.f4m
<manifest>
<id>
livepkgr.old/events/_definst_/liveevent
</id><mimeType>
</mimeType><streamType>
live
</streamType><duration>
0
</duration><media streamId="livestream1" bitrate="100" url="../../../../streams/livepkgr.old/streams/_definst_/livestream1/livestream1" bootstrapInfoId="bootstrap7580"><metadata>
AgAKb25NZXRhRGF0YQgAAAAAAAhkdXJhdGlvbgAAAAAAAAAAAAAFd2lkdGgAQHQAAAAAAAAABmhlaWdodABAbgAAA AAAAAAMdmlkZW9jb2RlY2lkAgAESDI2NAAKYXZjcHJvZmlsZQBAU0AAAAAAAAAIYXZjbGV2ZWwAQD8AAAAAAAAADnZ pZGVvZnJhbWVyYXRlAP/4AAAAAAAAAAl0cmFja2luZm8KAAAAAgMABmxlbmd0aAAAAAAAAAAAAAAJdGltZXNjYWxlA ECPQAAAAAAAAAhsYW5ndWFnZQIAA2VuZwAACQMABmxlbmd0aAAAAAAAAAAAAAAJdGltZXNjYWxlAECPQAAAAAAAAAh sYW5ndWFnZQIAA2VuZwAACQANc21wdGVUaW1lSW5mbwMAC3NtcHRlT2Zmc2V0AAAAAAAAAAAAAAAJAAdjdXN0ZGVmC gAAAAAAAAk=
</metadata></media><media streamId="livestream2" bitrate="200"><metadata>
</metadata></media><media streamId="livestream3" bitrate="350"><metadata>
</metadata></media><bootstrapInfo profile="named" url="../../../../streams/livepkgr.old/streams/_definst_/livestream/livestream.bootstrap" id="bootstrap3136">
</bootstrapInfo><media streamId="livestream" url="../../../../streams/livepkgr.old/streams/_definst_/livestream/livestream" bootstrapInfoId="bootstrap3136"><metadata>
AgAKb25NZXRhRGF0YQgAAAAAAAhkdXJhdGlvbgAAAAAAAAAAAAAFd2lkdGgAQHQAAAAAAAAABmhlaWdodABAbgAAA AAAAAAMdmlkZW9jb2RlY2lkAgAESDI2NAAKYXZjcHJvZmlsZQBAU0AAAAAAAAAIYXZjbGV2ZWwAQD8AAAAAAAAADnZ pZGVvZnJhbWVyYXRlAP/4AAAAAAAAAAl0cmFja2luZm8KAAAAAgMABmxlbmd0aAAAAAAAAAAAAAAJdGltZXNjYWxlA ECPQAAAAAAAAAhsYW5ndWFnZQIAA2VuZwAACQMABmxlbmd0aAAAAAAAAAAAAAAJdGltZXNjYWxlAECPQAAAAAAAAAh sYW5ndWFnZQIAA2VuZwAACQANc21wdGVUaW1lSW5mbwMAC3NtcHRlT2Zmc2V0AAAAAAAAAAAAAAAJAAdjdXN0ZGVmC gAAAAAAAAk=
</metadata></media><bootstrapInfo profile="named" url="../../../../streams/livepkgr.old/streams/_definst_/livestream1/livestream1.bootstrap " id="bootstrap7580">
</bootstrapInfo>
</manifest>
How can i play that event with VLC?
Regards,Problem solved - thanks to JayCharles. I forgot to set the live attribute. Here's the working code:
<?xml version="1.0"?>
<!-- controls\videodisplay\VideoDisplayFMS.mxml -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:HBox>
<mx:VideoDisplay
live="true"
autoBandWidthDetection="false"
source="rtmp://localhost/live/livestream"/>
</mx:HBox>
</mx:Application>
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