Sound problem while transimission over the network by using JMF API

i had done an application which transmit audio and video over the network by using JMF API in JAVA. All my application work very well but i have a problem with the sound while i transmit it. this sound has a very bad quality (i am using AVReceive2.java) .
has anyone an indication or solution for my problem
it's very urgent, please help me.
regards
sar

you can try modifing de Capture example from JMF Solutions.
change this function:
public int startCapture() {
     int result = -1;
     enableComponents(false);
     buttonStart.setLabel("Pause");
     buttonEnd.setEnabled(true);
     startMonitoring();
     try {
processor.start();
DataSource clone = Manager.createCloneableDataSource(datasource);
     MediaLocator ml2 = new MediaLocator("file://capture.mov");
System.out.println("Content Type " + clone.getContentType());
datasink = Manager.createDataSink(processor.getDataOutput(), ml2);
     datasink.open();
datasink.addDataSinkListener(this);
     datasink.start();
result = 0;
     } catch (Exception e) {
     System.err.println("DataSink Exception " + e);
result= -1;
Regards.
Fernando

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Err, I did help you. I did understand your problem; and I solved it for you. What was missing was that you apparently made no effort to understand what you were being told. Or even consider it. You just argued about it, as though you were the one with the solution, instead of the one whose code didn't work.
And the other thing that was missing was the part where you said 'thank you' to me for solving your problem. Somewhat more appropriate than biting the hand that fed you, frankly. I do this for nothing, on my own gas, and it's extremely irritating when people keep asking about problems I have already solved for them. I am entitled to discourage that. It's part of making them more efficient actually.
But it happens often enough that it also makes me think I'm just wasting my time. Probably I am.

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We are facing an issue while applying service configuration to SCE 8000 device using SCE API supplied by CISCO.
We have sample .pqb file which we are using to upload to SCE 8000. We are using 3.5.5 version of firmware on SCE.
Attached is exception file which contains sample .pqb and trace log that we see when we apply configuration. Please note, that we are using RHEL5 platform, JDK 1.5.0_1 and standalone java program to apply configuration on SCE using API
com.pcube.management.common.InvocationException: null ### java.lang.NullPointerException java.lang.NullPointerException
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         at com.pcube.apps.engage.management.Utilities.copyDeviceToLocalRMI(Utilities.java:357)
         at com.pcube.apps.engage.policy.ConfigurationRetriever.retrievePolicy(ConfigurationRetriever.java:85)
         at com.pcube.apps.engage.policy.Test.fetchPpUpgradeVersion(Test.java:15)
         at com.elitecore.pm.SCEConfiguration.main(SCEConfiguration.java:460)
com.pcube.management.common.InvocationException: null ### java.lang.NullPointerException java.lang.NullPointerException
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You are likely hitting CSCtb94072.
The policy file should be manipulated by development engineer.
Please open a case with TAC and ask the CSE to fix the policy (by getting development engineer assistance).
Once you have the fixed policy PQB file perform the following CLI procedure on all SCEs on which the problem was observed:
SCE2000>enable
Password:
SCE2000#cd engage
SCE2000#delete MYENGAGE.PQB
SCE2000#rename MYENGAG1.PQB MYENGAGE.PQB
SCE2000#
Once done you should be able to apply the fixed policy without any issue.
Note: after performing the above CLI procedure, you can also successfully retrieve the policy,
however, you must avoid doing it since the retrieved poilcy would not be the last applied one, it would be the penultimate one which you probably don't want to use.
After applying the fixed policy, you should be able to retrieve policy successfully with no fear.
====
This is more of a clarification regarding the workaround procedure:
To get you better understand the issue.
The last policy applied to the SCE successfully is kept under the SCE "/engage" directory by the name MYENGAGE.PQB
The penultimate applied policy is also kept there under the name MYENGAG1.PQB
When the SCA-BB GUI applies a policy it first verifies the matching SCA-BB and PP version by inspecting this MYENGAGE.PQB file.
If the file has the corruption dealt in this defect, the apply will fail with the message of the kind:
"Client version 3.5.5 PP18 is different than SCE version 0.0.0 PP0, therefore apply is not allowed"
The MYENGAG1.PQB is the penultimate applied policy and it's not corrupted, renaming it MYENGAGE.PQB will assure us that the apply operation won't fail when verifying the versions are matched.
Alternatively (for the renaming procedure) user may copy the fixed policy file into the SCE disk space under /engage directory and name it MYENGAGE.PQB, then the apply should also work fine.

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Dear,
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I have not needed it, no, but that has nothing to do with whether *you* need it.
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Never mind, I already found the solution myself.
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With the 10.4 image however, you also have to copy the master image to the NetBootSP0 directory.
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Other alternative is to copy the images to another folder that you share with AFP and adjust the configuration of netrestore like described in this manual:
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I have tried several ways to do this but non of them have worked. On the JMF Programmers Guide its stated that one could do something like this: creating a processor from a DataSource, and the taking two Datasources from the processor, one is used to transmitt the video over the network, and the other is used to save the data to a file(through a DataSink).
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Non of these have worked, and I always get Exceptions about not finding a DataSink for the DataSource I use. For example:
"javax.media.NoDataSinkException: Cannot find a DataSink for: com.sun.media.multiplexer.RawBufferMux$RawBufferDataSource@d9850" ;
"javax.media.NoDataSinkException: Cannot find a DataSink for: com.sun.media.vfw.PushBufferDataSource@1e45"
I've search the Web triying to find something clear about capturing video to a file while transmitting it over the network, but nothing seems to work.
I would appreciate a piece of an advice on this.

you can try modifing de Capture example from JMF Solutions.
change this function:
public int startCapture() {
     int result = -1;
     enableComponents(false);
     buttonStart.setLabel("Pause");
     buttonEnd.setEnabled(true);
     startMonitoring();
     try {
processor.start();
DataSource clone = Manager.createCloneableDataSource(datasource);
     MediaLocator ml2 = new MediaLocator("file://capture.mov");
System.out.println("Content Type " + clone.getContentType());
datasink = Manager.createDataSink(processor.getDataOutput(), ml2);
     datasink.open();
datasink.addDataSinkListener(this);
     datasink.start();
result = 0;
     } catch (Exception e) {
     System.err.println("DataSink Exception " + e);
result= -1;
Regards.
Fernando

HP Laserjet M1132 MFP is too slow over the network!

Hi,
My HP Laserjet M1132 MFP is too slow over the network!
I have connect the printer to a windows XP 32bit SP3 using UBS port. The printer works fine on the local computer but when sharing it over the network it works too slow, for example with print test page it takes about 45 seconds to print and for other documents it takes much longer time.
I have installed the latest driver form HP website and upgrade the firmware it the latest version.
It happens on other Windows XP machines as well.
I connected the printer to my laptop (Windows 7 64bit) and it works fine (No delays over the network) and it seems that this problem have some relations with the windows XP Driver.
I have used local port trick on remote machines (instead of regular method) like this:
''add a local printer;
'new port'
'localport'
\\XPcomputer\HPPrinterName as port name
but still nothing!
There is nothing wrong with the network, we use to use a Samsung printer on the same machines over the network with no problem.
I Really appreciate your HELP!
This question was solved.
View Solution.

BEHZAD_T, how is the printer connected to the network (wireless or Ethernet)? If it is slow wirelessly, I would suggest trying to connect the printer to your router with the Ethernet cord and install it to the networked computer that way.
Another question is, relatively speaking, how close to your router are the Samsung printer and the HP printer? Depending on the distance (and what stands between the devices) there can be a lag between sending a print job and it being received by the printer.
Let me know!

Airport won't print over the network

I have a basic HP Photosmart C4200 series printer. It works fine when I plug it directly into my computer but when I plug it into the router, it won't print and this message comes up : "Unable to read response header - short read"
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Welcome to the discussions!
A number of entry level printers are designed so that they will only work when they are connected directly to a computer, so that may possibly explain your problem.
To verify, you can work your way through Apple's troubleshooting guide to see if this is the case. If you've completed all the steps and still can't print, I think you have your answer.
http://support.apple.com/kb/TS1253
http://support.apple.com/kb/TS1253

Pinging a printer to see if it works over the network

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I removed the printer and removed the installed software in order to put it back in its "initial state."
Before I removed the software, I tried to add a network printer to see if that would do it. At the point in the process where it looks for printers, it didn't find it. It makes me wonder if it will work over the network at all, but I do note the blue 802.11g LED is lit.
Before I reinstall the software (AIO_CDA_FSW_Full_Win_WW.130_140.exe is what I have) I want to ping the printer and see if the computer can see it. What's the ping address?

Hello ErnieLane,
Please follow steps 1-4 described in Access the Embedded Web Server to print a configuration page, it will contain the current IP address (if any).
Hope this will help.
Regards,
AndOne
Say "Thanks" by clicking the Kudos Star in the post that helped you.
Please mark the post that solves your problem as "Accepted Solution"
(Although I am employed by HP, I am speaking for myself and not for HP)

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Thanks for your quick answer, I really appreciate it. But unfortunately, it didn't resolve my problem
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HP photosmart C4700 cannot be connected over the network.

my printer was recently unplugged and refuses to print. i have reinstalled all drivers and software but still cannot connect over the network. please help soon as i desperatley need to print off college work. this has happened before but reinstalling the drivers worked.

Hi..
try this one....
Uninstall any remaining Hp printer program from your system..
1. Click windows logo or start button- on the search box or run - type in %temp%, press enter
2. look for the 7z folder on the TEmp folders.
3. Open &z folder and look for util- open util look for ccc folder- open ccc folder loofk for uninstall3.
4. Procedd to Uninstall level 3- restart the computer -go back to %temP% trhen delete tye 1st 7z folder-- to the same process for the remaining 7z folders- open util-ccc-uninstallL3- restart Pc and delete te 7z folder
5. Once your'e done- go to add or remove programs or programs and features to uninstall remaining Hp printer software.. then restart you pc again..
Follow these steps before re-installing the printer:
Click Start , and then click Run . The Run dialog box opens.
In the Run dialog box, type msconfig , and then press Enter .
If the User Account Control window opens with the message 'Windows needs your permission to continue ,' click Continue to close the window.
In the System Configuration window, click the Startup tab, and then click Disable All .
Click the Services tab, click the Hide all Microsoft services checkbox, and then click Disable All .
Click Apply , and then click OK .
When prompted to restart the computer, click Restart later .
Restart the network devicesFollow these steps to restart all the devices on the network.
These steps include turning off the computer. Consider bookmarking this page for ease of reference.
Press the Power button to turn off the product.
Click Star, click Shut Down , and then click Shut Down from the drop-down list.
Turn on the wireless access point (router).
Press the Power button to turn on the product.
Press the power button on the computer to turn it on.
When the computer turns on, a System Configuration Utility message opens on the computer. Select the Do not show this message again check box, and then click OK .
proceed to the installation.......then prove functionality...if successful continue these steps
Re-enable startup programs and services
Click Start ( ), and then click Run . The Run dialog box opens.
In the Run dialog box, type msconfig , and then press Enter .
If the User Account Control window opens with the message 'Windows needs your permission to continue ,' click Continue to close the window.
In the System Configuration window, click the Startup tab, and then select the check box next to each program that should run when you turn on the computer. If a program should not run when the computer is turned on, leave the check box clear.
CAUTION:Do not disable any Microsoft services.
If no changes should be made to startup programs or services, click the General tab, and then select the Normal Startup checkbox.
Click Apply , and then click OK .
When prompted to restart the computer, click Restart .
Although I am working on behalf of HP, I am speaking for myself and not for HP.
Love Kudos! If you feel my post has helped you please click the White Kudos! Star just below my name : )
If you feel my answer has fixed your problem please click 'Mark As Solution' and make it easier for others to find help quickly : )
Happy Troubleshooting : )

HP 8450 over the Network

I have been trying to get my HP Photosmart 8450 printer to work under Leopard to no avail. I have it hooked up over the network. When i do the manual install, i do not even see the driver listed. This, despite the HP site which tells me the driver comes as part of Leopard.

i plugged my MacBook Pro into the printer using a USB cable and it saw it. What is odd, is the correct driver is listed, but if i do a manual install of the printer, the driver is no where to be found. THis is a major problem for me as i do not want to have to plug the computer into the printer everytime i have to print.
My Windows XP box can print over the network, why can't my mac?

HP Software finds the printer, but then "the printer was unable to be installed over the network"

I have tried to search for a similar issue, but haven't had any success yet. I doubt I'm the first with this problem!
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The printer confirms that it is connected to the WiFi.
When I run the setup tool on the computer, at the Network Check point, the setup software finds the printer at the correct IP address. It is the only thing it discovers.
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This just cycles with no progress. I have turned off the Windows Firewall and also disabled the AV. No change.
I can browse to the web interface of the printer - but still can't install the printer. It is listed in the Printers and Faxes as being Offline.
I'll try once again removing it, and re-adding it - but has anyone come across this problem before, please?
This question was solved.
View Solution.

I am having a similar problem as well. The printer is recognized (most of the time) when I run the HP Network DIagnostic Utility. However, when I run the Add a Device setup program to install my wireless printer, it is NEVER recognized. I have even tried to use the advvanced serach to locate it using the IP listed in the Diagnostic Utility without any luck. As an aside, I was able to add the printer through windows just fine and am currently able to print to it, but would really like to add it using the HP installation so that I can configure the "scan to" settings again.
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Hello,
I've been using Time Machine for over 3 years now with no issues over the network; the destination being a 2TB external Seagate connected to another iMac connected through gigabit ethernet. Everything has been working flawlessly: Every hour Time Machine would MOUNT the sparseimage it created on the disk, BACKUP the data and UNMOUNT the disk image when finished.
Until I upgraded to Lion. The above process is still working per se, however it is PAINFULLY slow! A 50MB backup can take up to AN HOUR! Searching around on the net, advised that there could be an issue with Spotlight as well, however this is not the case for me, since Spotlight finished a new index in under 30 mins. Followed every tutorial I could find on the issue, to no avail..
I then upgraded to Mountain Lion with the hope that the issue will clear itself. Cleared my old backups, resetted Time Machine by erasing its .plist file, restarted my iMac just to make sure and connected Time Machine to the network share anew, creating a "sharing only" account on the host iMac, i.e. the one that has the external HD connected through USB. Still no luck.
I painfully realize that I still have the same issue. While backing up, network traffic is under 100KB, and activity monitor does not show any backupd or mds or any similar processes taking anything over 3% of CPU time.
What could be wrong?

Hello again,
Tries on the other iMac (also running 10.8.2) and things are exactly the same: Image creation takes almost half an hour, and copying crawls at under 1MB/min. While time machine image is mounted and Time Machine is "backing up", accessing ANY disk on the host Mac is VERY slow. Seems like something hogs up appleshare when Time Machine is in use. Mind you, there is insignificant network traffic as seen by Activity Monitor, as well as insignificant CPU usage while backing up.
Stopping backup and using tmutil to set the Time Machine destination to the mounted image as mounted by Finder, solves the issue again, revving up Time Machine throughput to over 20MB/sec! There is also no issues acessing the other Mac as well, under this scenario.
Up to this point, the only way I have managed to use Time Machine over a networked external HD is through the NAS server. Both configurations where I am using a Mac running 10.8.2 as a server of the external disk have failed with very low throughput while backing up. Something must be wrong in 10.8.2's afp when Time Machine is mounting the image by itself.
I may need to remind you that I have been successfully backing up to the external HD for 4 years now; something broke a few months after the client iMac was upgraded to Lion and at the time when the host iMac was upgraded to Mountain Lion. Will try to locate a Mac running some later OS X version to do some more testing.
Also reminding that I have used two distinctive iMacs and two external HD drives for my tests so far. The client iMac has remained the same, however 10.8.2 has been reinstalled on it a couple of times. Have also used an afp-enabled NAS server which worked fine with Time Machine.

Time Machine over the Network

Hello,
I've been using Time Machine for over 3 years now with no issues over the network; the destination being a 1TB-limited sparseimage setup as instructed by this tutorial. The image resides on an external HD connected on a network-connected iMac. Everything has been working flawlessly: Every hour Time Machine would MOUNT the disk image on its own, BACKUP the data and UNMOUNT the disk image as well.
Until I upgraded to Lion. The above process is still working per se, however it is PAINFULLY slow! A 50MB backup can take up to AN HOUR! Searching around on the net, advised that there could be an issue with Spotlight as well, however this is not the case for me, since Spotlight finished a new index in under 30 mins.
While testing, I tried to copy a 200MB file ONTO the Time Machine disk (mounted from the sparseimage automatically by Time Machine) and it took OVER 3 hours! I then stopped Time Machine (which tool half an hour) and mounted the image via Finder and the same file copied in 4 secs!
I really don't get it; I bet both times the mounted Volume runes under the same protocol, AFP via TCP, why is it behaving so strangely when auto-mounted by Time Machine?
Next, I read about tmutil has been added to Lion upwards and that setting a mounted disk image as destination is now supported by TM. So I went on and mounted the image via the Finder, set the mounted Volume as the time machine destination via tmutil and gave the backup a try. The process went away really fast, was extremely pleased!
However: As soon as the backup finishes, the Volume EJECTS and TM reports that the next backup is to be made "when the backup disk is connected"! It will NOT mount the image by its own, neither to backup or to access old backups. But wait, there's more: Be selecting "Backup now" via the TM menu item, the Volume MOUNTS INSTANTLY and the backup takes place, with no issues whatsoever!
What I need is a TM that backs up quickly over the network and mounts its disk automatically.
Well, I guess if you had the time and will to read the above text, you may try to help, if you have a clue, that is...
Thank you.

I am afraid that the information on the excellent tutorial (which I have already checked many times) don't help me much... I have two main questions:
1. Why is the TM-mounted volume so slow? Mounting the same volume through the Finder works blazing fast! Is there something special in the way TM mounts its volumes?
2. Is there a proper way to force TM to start an automatic backup, when the backup volume is not mounted? It used to work when the destination was the network volume, but does not work when the destination is set to the sparsebundle volume which inside the network volume.

Sound problem while transimission over the network by using JMF API

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