Emptying the buffer of a receiver of a live stream
Hi,
In my application, a publisher starts a live video and a receiver could recieve it through FMS rtmp. The problem:
1) Once the receiver faces latency, due to slow connection, the latency keeps on increasing from 1 second to 10s, 20s and above. What i feel here is that the reciever's buffer starts accumulating video data and keeps on accumulating it and never flushes it.I am unable to find a property in netStream and Application.xml to empty the buffer of a poor connection reciever.
How can i fix this issue, so that a slow connection receiver's latency remains constant around 2 - 3 seconds. Please help.
Regards,
Sahil.
Hi Nitin,
1) Fms version is 3.5.7.
2) I dont have issues with Audio, Its video that raises latency on slow connections of video receivers. To solve this issue i set the publisher's video quality according to receiver's bandwidth. This helps BUT does not solve the problem.
Example:
Publisher is broadcasting video at 800 kbps. The reciver of this stream has a lower bandwidth of 512 kbps, this difference (800 - 512 = 288 kbps) at receiver produces latency. The extra bit of data ie the 288 kbps is somewhere buffered by the recieiver in its stream and this keeps on accumulating on and on. Thus latency never drops or reduces.
This is why i wish to clear/empty/drop the extra receiver stream data.
Thanks,
Sahil.
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How to empty the JTextField automatically? Please HELP me.
Hello,
This is my full listing program:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.border.*;
public class PortGUI extends JFrame
private JButton btOk;
private JButton btCancel;
private JButton btReply;
private JLabel lblServIP;
private JLabel lblAuth;
private JLabel lblThrd;
private JLabel lblAcc;
private JLabel lblMax;
private JLabel lblAuthent;
private JLabel lblAdm;
private JLabel lblReplServ;
private JCheckBox chkUsers;
private JCheckBox chkEnbDbg;
private JOptionPane pnlErr = new JOptionPane();
public PortGUI()
// Create main panel
JPanel topPanel = new JPanel();
topPanel.setLayout(null);
getContentPane().add( topPanel );
// Create Server Settings panel
JPanel panelsett = new JPanel();
panelsett.setLayout(null);
panelsett.setBounds(5,5,680, 200);
// panelsett containers
final JTextField fldServIP = new JTextField();
fldServIP.setBounds( 160, 30, 100, 25 );
fldServIP.setFocusAccelerator( 'v' );
panelsett.add(fldServIP);
lblServIP = new JLabel( "Server IP" );
lblServIP.setBounds( 20, 30, 100, 25 );
lblServIP.setLabelFor( fldServIP );
panelsett.add(lblServIP);
final JTextField fldAuth = new JTextField();
fldAuth.setBounds( 600, 30, 50, 25 );
fldAuth.setFocusAccelerator( 'v' );
panelsett.add(fldAuth);
lblAuth = new JLabel( "Incoming Radius Authentication Port");
lblAuth.setBounds( 350, 30, 300, 25 );
lblAuth.setLabelFor(fldAuth);
panelsett.add(lblAuth);
final JTextField fldThrd = new JTextField();
fldThrd.setBounds( 160, 60, 50, 25 );
fldThrd.setFocusAccelerator( 'a' );
panelsett.add(fldThrd);
lblThrd = new JLabel( "Worker Threads" );
lblThrd.setBounds( 20, 60, 100, 25 );
lblThrd.setLabelFor(fldThrd);
panelsett.add(lblThrd);
final JTextField fldAcc = new JTextField();
fldAcc.setBounds( 600, 60, 50, 25 );
fldAcc.setFocusAccelerator( 'a' );
panelsett.add( fldAcc );
lblAcc = new JLabel( "Incoming Radius Accounting Port" );
lblAcc.setBounds( 350, 60, 300, 25 );
lblAcc.setLabelFor( fldAcc );
panelsett.add( lblAcc );
final JTextField fldMax = new JTextField();
fldMax.setBounds( 160, 90, 50, 25 );
fldMax.setFocusAccelerator( 'c' );
panelsett.add( fldMax );
lblMax = new JLabel( "Maximum Consoles" );
lblMax.setBounds( 20, 90, 200, 25 );
lblMax.setLabelFor( fldMax );
panelsett.add(lblMax);
// Create combo box
String[] AuthStrings = {"Local Server", "Proxy Server", "Local and Proxy"};
JComboBox AuthList = new JComboBox(AuthStrings);
AuthList.setSelectedIndex(2);
AuthList.setSelectedItem(null);
AuthList.setBounds(450, 90, 200, 25);
panelsett.add(AuthList);
lblAuthent = new JLabel( "Authenticator" );
lblAuthent.setBounds( 350, 90, 100, 25 );
lblAuthent.setLabelFor( AuthList);
panelsett.add(lblAuthent);
final JTextField fldAdm = new JTextField();
fldAdm.setBounds( 160, 120, 50, 25 );
fldAdm.setFocusAccelerator( 'c' );
panelsett.add( fldAdm );
lblAdm = new JLabel( "Admin TCP Port" );
lblAdm.setBounds( 20, 120, 150, 25 );
lblAdm.setLabelFor( fldAdm );
panelsett.add(lblAdm);
// create checkbox
chkUsers = new JCheckBox("Cache Users in Memory");
chkUsers.setBounds(350, 120, 250, 25);
chkUsers.setMnemonic('m');
chkUsers.setSelected(false);
panelsett.add(chkUsers);
final JTextField fldReplServ = new JTextField();
fldReplServ.setBounds( 160, 150, 100, 25 );
fldReplServ.setFocusAccelerator( 'c' );
panelsett.add( fldReplServ );
lblReplServ = new JLabel( "Replication Server IP" );
lblReplServ.setBounds( 20, 150, 200, 25 );
lblReplServ.setLabelFor(fldReplServ);
panelsett.add(lblReplServ);
chkEnbDbg = new JCheckBox("Enable Debug Trace Output");
chkEnbDbg.setBounds(350, 150, 250, 25);
chkEnbDbg.setMnemonic('n');
chkEnbDbg.setSelected(false);
panelsett.add(chkEnbDbg);
Border etched;
etched = BorderFactory.createLoweredBevelBorder();
TitledBorder title;
title = BorderFactory.createTitledBorder(etched, "Server Settings");
title.setTitleJustification(TitledBorder.LEFT);
panelsett.setBorder(title);
topPanel.add(panelsett);
// Create a button
btOk = new JButton( "OK" );
btOk.setBorder(BorderFactory.createRaisedBevelBorder());
btOk.setBounds( 170, 270, 100, 35 );
btOk.setEnabled(false );
topPanel.add(btOk);
btReply = new JButton( "Apply" );
btReply.setBorder(BorderFactory.createRaisedBevelBorder());
btReply.setBounds( 300, 270, 100, 35 );
topPanel.add(btReply);
btCancel = new JButton( "Cancel" );
btCancel.setBorder(BorderFactory.createRaisedBevelBorder());
btCancel.setBounds( 420, 270, 100, 35 );
btCancel.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
System.exit(0);
topPanel.add(btCancel);
// Action for each components
fldServIP.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldServIP.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldServIP.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldServIP.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldAuth.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldAuth.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldAuth.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldAuth.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldThrd.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldThrd.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldThrd.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldThrd.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldAcc.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldAcc.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldAcc.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldAcc.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldMax.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldMax.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldMax.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldMax.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldAdm.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldAdm.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldAdm.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldAdm.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
fldReplServ.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldReplServ.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldReplServ.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
public void removeUpdate( DocumentEvent event )
// Prevent the user from entering a blank field
if( fldReplServ.getText().length() == 0 )
btOk.setEnabled( false );
else
// Do the same error checking as insertUpdate()
insertUpdate( event );
public void changedUpdate( DocumentEvent event )
// Nothing to do here
public static void main(String[] args)
//int windowWidth, windowHeight;
int windowWidth = 700;
int windowHeight = 400;
PortGUI window = new PortGUI();
window.setTitle("");
Dimension windowSize = window.getSize();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
window.setSize(windowWidth, windowHeight);
window.setLocation((screenSize.width - windowWidth) / 2, (screenSize.height - windowHeight) / 2);
window.setVisible(true);
window.setResizable(false);
On that listing program, my problem is in field document listener, that is:
fldThrd.getDocument().addDocumentListener(new DocumentListener()
public void insertUpdate( DocumentEvent event )
String sString = fldThrd.getText();
try
int iValue = Integer.parseInt( sString );
btOk.setEnabled( true );
catch( NumberFormatException e )
if( fldThrd.getText().length() == 4 )
JOptionPane.showMessageDialog(pnlErr,
"Please try again",
"Error Message",
JOptionPane.ERROR_MESSAGE);
if I execute this program, the textfield can only receive integer input. If input is string til 4 times, the dialog panel will display error message. After that, textfield must be empty (delete automatically).
I want to ask you about how I can emptying that textfield automatically after the dialog panel is appear?
Please help me to get out from my problem.
Thank's for your help,
harHi,
To empty the text file, use the method setText("").
eg. fldServIP.setText("");
fldServIP is one of your textfield. So whereever you are showing the dialog box, use setText("") for the corresponding textfields.
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Thanks,
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I'm a little confused about your acquisiton. Do you intend for it to be
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Ryan Verret
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Powermac G4 Mac OS X (10.4.7) External firewire Lacie Porsche 160GB HDHi Simon.
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I cannot print wirelessly from Macbook Pro: this is the error message I receive /Library/Printers/EPSON/InkjetPrinter2/Filter/rastertoescpII.app/Contents/MacOS /rastertoescpII failed. Can anyone help. I have been able to print on this printer for months, then yesturday out of the blue I get this error.
"/Library/Printers/EPSON/InkjetPrinter2/Filter/rastertoescpII.app/Contents/MacOS /rastertoescpII failed"
I also saw this same error message above the Print Queue, ever since allowing the Epson Printer Software Update (August 2013) to install. After this update installed, I was able to print a basic Test Page from the Print Queue, but when printing from any application I only got "Looking for printer..." displayed above the Print Queue, which would stall and never print.
2008 MacBook, 10.7.5. It used to print to my Epson WorkForce 845 wirelessly without problems, before this software update was installed.
Changing the driver from "Epson WorkForce 845" to "Epson WorkForce 600 - Gutenprint v5.2.3" was a workaround that did allow me to print, but I wasn't satisfied with that.
Found this better solution in https://discussions.apple.com/thread/5233149?start=0&tstart=0
(with thanks to Yuengdog1983):
This issue may be a result of the Computer Name being left empty:
Open System Preferences and choose Sharing.
Enter a name for your computer.
Even without restarting the MacBook, I was able to now change back to using the Epson WorkForce 845 driver v9.0 successfully. I never would have guessed that a Computer Name is required in order to print! -
Playback of low bitrate flv or f4v from live stream in FMS causes player buffer to empty
We are experiencing a consistent issue when playing a low bitrate (300kbps or less) flv in a live stream from FMS. Basically, the player will will start off with the appropriate buffer, say 5 seconds, then begin dropping until it empties out, and will have to rebuffer. We've tried with a variety of flv and f4v files, all that are 300kbps or less, and we consistently get the issue. Is this something Adobe can investigate in FMS? Or are there any suggestions on how we can get around the issue?
hey, i got the similar problem, logging like this
2012-11-12
18:50:12
23434
(e)2661034
Connect failed ( , 5779212 ) : Connect failed: Connection refused (111)
2012-11-12
18:50:54
23434
(e)2661034
Connect failed ( , 5779212 ) : Connect failed: Connection refused (111)
2012-11-12
18:51:36
23434
(e)2661034
Connect failed ( , 1166880400 ) : Connect failed: Connection refused (111)
2012-11-12
18:54:14
23434
(e)2661034
Connect failed ( , 1175301776 ) : Connect failed: Connection refused (111)
2012-11-12
18:54:55
23434
(e)2661034
Connect failed ( , 1164775056 ) : Connect failed: Connection refused (111)
2012-11-12
18:55:37
23434
(e)2661034
Connect failed ( , 16 ) : Connect failed: Connection refused (111)
2012-11-12
19:13:08
23434
(e)2661034
Connect failed ( , 1158459024 ) : Connect failed: Connection refused (111)
it seems that the port number is invalid, but we never use such ports. -
How do I empty the catalog in elements 10?
Hi folks, Tom is my name. I stupidly imported 27000 photos into my catalog when I installed PSE10. Now my computer is on the go slow every time I open the Organiser creating thumbnails. How do I quickly empty the catalog please? then I will only import the photos into the catalog as I work them and also as I start to catalogue them properly. Any suggestions would be greatly received. A real newbies question but this is the first time I have jumped into the photoshop family with this software.
TomWhy not start over.
File à Catalog à New
Give it a new name e.g. My Catalog2
Include free music and click OK.
Elements does not import any physical files. It only makes links to the photos on yoyr hard drive. So you are not duplicating any files. -
I want to clean my buffer after each command that I send to my device....
I sent before this message the following message:
I create a modbus driver ascii, and I´m communicating with a device, but it responds sometimes.... when I push the key RUN of Labview the device not respond and I have to stop.. but the second time the instriment respond perfectly... the instrument responds each two time....
I believe that the problem is because I use bytes at serial port immediately read serial port. In probe mode in labview (RUN) in read serial port the instrument stop... the second time it respond... I use this bytes at serial port and read serial port for clean the buffer...what can I do?"
Somebody responds with it isa problem of flush buffer, but I d
on´t know what parameters I must enter...Here is something you could try. At the beginning of your VI, read one byte at a time until it is empty. Have a timeout on the read VI with a small time and then check to see, each time, if you read a byte. If not, you know it is empty.
J.R. Allen -
Trouble with the buffer to SPI Module
Hi, I wrote a question about this issue but the people assuming that was about NI USB-8451, it wasn't!
I am working with the ADSP-BF537 EZ-Kit, I made a program to send a coupled of byte via SPI Module. I connect a logic analyzer and I have output in pin SCK but in pin MOSI I have nothing. I think the possible mistake is the way that supply the buffer to BF device Write VI. I search in the help menu of Labview but not say much about that! The VI is attached, If anybody could see it and tell me what is wrong?
Thanks
The Caribbean!
Attachments:
main1.vi 31 KB
ScreenHunter_01 Aug. 02 17.05.jpg 39 KBHi Carribean,
A couple things you could try:
- your array that you're sending out is empty, and is not in your connector pane, so just double-check to make sure you're not trying to send an empty array.
- Try getting rid of your "Close" at the end - you may be closing the device before it has a chance to send anything out on the SPI port.
Other than that, I'm not sure what could be causing the problem. I haven't done any DMA transfers with SPI, so you may want to change it to Interrupt, as I have seen that work. Let me know if any of this helps.
Regards,
Jason
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