Hardware Advice for measuring sound
Hello,
My masters project has taken a turn and now I am using the speed of sound.
There are two arguments that have arisen. One from my supervisor who says that LabVIEW
is used in industry and that it is a real-time environment, meaning I would be
able to measure the time taken for sound to travel x metres (minimum 0.5m and 7m
maximum).
On the other hand the Labview guru on
campus has suggested that using a USB interface, and the fact that Windows XP
is not a real time environment would not return true times and there are other priorities
that Windows has to handle firs giving erroneous times.
Which argument is true, and which solution should I take.
Firstly, should I using a microcontroller with dedicated timers to time the
sound by starting a counter at 1.2MHz and take start value and finish value and
then working backwards to get the time, with the obvious hard part of setting
up communications with Labview through serial.
Or should I purchase some sort of serial/USB interface for Labview that would
be able to handle the job. If this option is best suited, are there any recommendations
for hardware? I'm using the SCB-68 which can only be used on a desktop
computer. I need something that is either Serial or USB as the final product
will be controller via laptop.
Cheers
Hello,
I'm just testing if I can use an external oscillator to timer. I'm using a NI-PCI 6229 and a SCB-68 interface box. I'm having trouble with the connections. Any advice for using the DAQx?
The is not wiring diagram, so I’m not sure where to put the signal in.
Cheers
K
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OS Name Microsoft Windows 8.1 Professional
OS Language English (United Kingdom)
OS Installer Language English (United Kingdom)
OS Kernel Type Multiprocessor Free (64-bit)
OS Version 6.3.9600.16452 (Win8.1 RTM)
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DirectX DirectX 11.0
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Debug Version No
DBCS Version No
Domain Controller No
Security Present No
Network Present Yes
Remote Session No
Safe Mode No
Slow Processor No
Terminal Services Yes
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Motherboard ID 06/19/2009-P35-ICH9-6A89OG0PC-00
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Bus Width 64-bit
Real Clock 333 MHz (QDR)
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DRAM:FSB Ratio 12:10
Real Clock 400 MHz (DDR)
Effective Clock 800 MHz
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Expansion Slots 2 PCI, 3 PCI-E x1, 2 PCI-E x16
RAM Slots 4 DDR2 DIMM
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Form Factor ATX
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CPU Stepping C0
Instruction Set x86, x86-64, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1
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Min / Max CPU Multiplier 6x / 9x
Engineering Sample No
L1 Code Cache 32 KB per core
L1 Data Cache 32 KB per core
L2 Cache 6 MB (On-Die, ECC, ASC, Full-Speed)
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Transistors 410 million
Process Technology 45 nm, CMOS, Cu, High-K + Metal Gate
Die Size 107 mm2
Core Voltage 1.113 - 1.225 V
I/O Voltage 1.113 - 1.225 V
Typical Power 65 W @ 3.00 GHz
Maximum Power 91.9 W @ 3.00 GHz
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Product Information http://ark.intel.com/search.aspx?q=Intel Core 2 Duo E8400
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Motherboard ID OEM00000 PROD00000000
CPU #1 Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz, 3000 MHz
CPU #2 Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz, 3000 MHz
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CPU #1 / Core #1 0 %
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Adapter String Quadro 2000
BIOS String Version 70.6.41.0.6
Chip Type Quadro 2000
DAC Type Integrated RAMDAC
Driver Date 29/09/2013
Driver Version 9.18.13.2739 - nVIDIA ForceWare 327.39
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nvwgf2umx 9.18.13.2739
nvwgf2umx 9.18.13.2739
nvd3dum 9.18.13.2739 - nVIDIA ForceWare 327.39
nvwgf2um 9.18.13.2739
nvwgf2um 9.18.13.2739
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DAC Type Integrated RAMDAC
Driver Date 29/09/2013
Driver Version 9.18.13.2739 - nVIDIA ForceWare 327.39
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nvwgf2umx 9.18.13.2739
nvwgf2umx 9.18.13.2739
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Physical Memory:
Total 8190 MB
Used 3334 MB
Free 4856 MB
Utilization 41 %
Swap Space:
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Used 4131 MB
Free 5340 MB
Utilization 44 %
Virtual Memory:
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Used 7465 MB
Free 10196 MB
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Utilization 19 %
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Supported by CPU Yes
Active Yes
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[ DIMM1: GeIL CL5-5-5 DDR2-800 ]
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Module Name GeIL CL5-5-5 DDR2-800
Serial Number None
Manufacture Date Week 44 / 2009
Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
Memory Timings:
@ 400 MHz 5-5-5-15 (CL-RCD-RP-RAS) / 23-51-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 333 MHz 4-5-5-13 (CL-RCD-RP-RAS) / 20-43-3-5-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 3-4-4-10 (CL-RCD-RP-RAS) / 16-34-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)
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FET Switch External Disabled
Weak Driver Supported
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Company Name Golden Emperor International Ltd.
Product Information http://www.geil.com.tw/products
[ DIMM2: GeIL CL5-5-5DDR2800 5 ]
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Module Name GeIL CL5-5-5DDR2800 5
Serial Number 00000005h (83886080)
Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
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@ 400 MHz 5-5-5-18 (CL-RCD-RP-RAS) / 23-51-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 4-4-4-12 (CL-RCD-RP-RAS) / 16-34-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)
@ 200 MHz 3-3-3-9 (CL-RCD-RP-RAS) / 12-26-2-3-2-2 (RC-RFC-RRD-WR-WTR-RTP)
Memory Module Features:
Analysis Probe Not Present
FET Switch External Disabled
Weak Driver Supported
Memory Module Manufacturer:
Company Name Golden Emperor International Ltd.
Product Information http://www.geil.com.tw/products
[ DIMM3: GeIL CL5-5-5 DDR2-800 ]
Memory Module Properties:
Module Name GeIL CL5-5-5 DDR2-800
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Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
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Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
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@ 400 MHz 5-5-5-15 (CL-RCD-RP-RAS) / 23-51-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 333 MHz 4-5-5-13 (CL-RCD-RP-RAS) / 20-43-3-5-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 3-4-4-10 (CL-RCD-RP-RAS) / 16-34-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)
Memory Module Features:
Analysis Probe Not Present
FET Switch External Disabled
Weak Driver Supported
Memory Module Manufacturer:
Company Name Golden Emperor International Ltd.
Product Information http://www.geil.com.tw/products
[ DIMM4: GeIL CL5-5-5DDR2800 5 ]
Memory Module Properties:
Module Name GeIL CL5-5-5DDR2800 5
Serial Number 00000005h (83886080)
Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh
Memory Timings:
@ 400 MHz 5-5-5-18 (CL-RCD-RP-RAS) / 23-51-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 4-4-4-12 (CL-RCD-RP-RAS) / 16-34-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)
@ 200 MHz 3-3-3-9 (CL-RCD-RP-RAS) / 12-26-2-3-2-2 (RC-RFC-RRD-WR-WTR-RTP)
Memory Module Features:
Analysis Probe Not Present
FET Switch External Disabled
Weak Driver Supported
Memory Module Manufacturer:
Company Name Golden Emperor International Ltd.
Product Information http://www.geil.com.tw/products
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midi-out.0 0001 001B Microsoft GS Wavetable Synth
mixer.0 0001 FFFF Speakers (5- High Definition Au
mixer.1 0001 FFFF Digital Audio (S/PDIF) (5- High
mixer.2 0001 FFFF W240D DVI (4- High Definition A
mixer.5 0001 FFFF Microphone (5- High Definition
wave-in.0 0001 FFFF Microphone (5- High Definition
wave-in.1 0001 FFFF Digital Audio (S/PDIF) (5- High
wave-in.2 0001 FFFF Line In (5- High Definition Aud
wave-out.0 0001 FFFF Speakers (5- High Definition Au
wave-out.1 0001 FFFF Digital Audio (S/PDIF) (5- High
wave-out.2 0001 FFFF W240D DVI (4- High Definition A
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nVIDIA HDMI/DP @ nVIDIA GF106 - High Definition Audio Controller PCI
nVIDIA HDMI/DP @ nVIDIA GF106 - High Definition Audio Controller PCI
nVIDIA HDMI/DP @ nVIDIA GF106 - High Definition Audio Controller PCI
nVIDIA HDMI/DP @ nVIDIA GF106 - High Definition Audio Controller PCI
Realtek ALC889A @ Intel 82801IB ICH9 - High Definition Audio Controller [A-2] PCI
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[ Intel 82801IB ICH9 - High Definition Audio Controller [A-2] ]
Device Properties:
Device Description Intel 82801IB ICH9 - High Definition Audio Controller [A-2]
Device Description (Windows) Contrôleur High Definition Audio
Bus Type PCI
Bus / Device / Function 0 / 27 / 0
Device ID 8086-293E
Subsystem ID 1458-A022
Revision 02
Hardware ID PCI\VEN_8086&DEV_293E&SUBSYS_A0221458&REV_02
Device Manufacturer:
Company Name Intel Corporation
Product Information http://www.intel.com/products/chipsets
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Device Properties:
Device Description Realtek ALC889A
Device Description (Windows) Périphérique High Definition Audio
Device Type Audio
Bus Type HDAUDIO
Device ID 10EC-0885
Subsystem ID 1458-A002
Revision 1001
Hardware ID HDAUDIO\FUNC_01&VEN_10EC&DEV_0885&SUBSYS_1458A002&REV_1001
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Product Information http://www.realtek.com.tw/products/productsView.aspx?Langid=1&PNid=8&PFid=14&Level=3&Conn= 2
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Device Description nVIDIA GF106 - High Definition Audio Controller
Device Description (Windows) Contrôleur High Definition Audio
Bus Type PCI
Bus / Device / Function 1 / 0 / 1
Device ID 10DE-0BE9
Subsystem ID 103C-084A
Revision A1
Hardware ID PCI\VEN_10DE&DEV_0BE9&SUBSYS_084A103C&REV_A1
Device Manufacturer:
Company Name NVIDIA Corporation
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Device Properties:
Device Description nVIDIA HDMI/DP
Device Description (Windows) Périphérique High Definition Audio
Device Type Audio
Bus Type HDAUDIO
Device ID 10DE-0011
Subsystem ID 10DE-0101
Revision 1001
Hardware ID HDAUDIO\FUNC_01&VEN_10DE&DEV_0011&SUBSYS_10DE0101&REV_1001
Device Manufacturer:
Company Name NVIDIA Corporation
[ nVIDIA HDMI/DP ]
Device Properties:
Device Description nVIDIA HDMI/DP
Device Description (Windows) Périphérique High Definition Audio
Device Type Audio
Bus Type HDAUDIO
Device ID 10DE-0011
Subsystem ID 10DE-0101
Revision 1001
Hardware ID HDAUDIO\FUNC_01&VEN_10DE&DEV_0011&SUBSYS_10DE0101&REV_1001
Device Manufacturer:
Company Name NVIDIA Corporation
[ nVIDIA HDMI/DP ]
Device Properties:
Device Description nVIDIA HDMI/DP
Device Description (Windows) Périphérique High Definition Audio
Device Type Audio
Bus Type HDAUDIO
Device ID 10DE-0011
Subsystem ID 10DE-0101
Revision 1001
Hardware ID HDAUDIO\FUNC_01&VEN_10DE&DEV_0011&SUBSYS_10DE0101&REV_1001
Device Manufacturer:
Company Name NVIDIA Corporation
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Device Properties:
Device Description nVIDIA HDMI/DP
Device Description (Windows) Périphérique High Definition Audio
Device Type Audio
Bus Type HDAUDIO
Device ID 10DE-0011
Subsystem ID 10DE-0101
Revision 1001
Hardware ID HDAUDIO\FUNC_01&VEN_10DE&DEV_0011&SUBSYS_10DE0101&REV_1001
Device Manufacturer:
Company Name NVIDIA Corporation
October 26th, 2012 Microsoft told me with "Microsoft Update Advisor" that I could upgraded my OS from Windows 7 Pro 64 bits to Windows 8 Pro 64 bits and after one year with another "Microsoft Upgrade Advisor" Microsoft told me again to upgrade my OS from Windows 8 Pro 64 bits to Windows 8.1 Pro 64 bits, but Gigabyte does not give the drivers on their website for my motherboard neither for Windows 8 and neither for Windows 8.1 and the system is however liable.
If I believe Gigabyte I need to purchase a new motherboard and probably a new CPU and new RAM.
1) Do you agree with Gigabyte or with Microsoft?
2) If we believe Gigabyte, so can you tell me what king of CPU and motherboard to choose for video editing and video encoding, please?
In the past, I had followed Adobe advices to use a Nvidia Quadro 2000 video card and HDDs in RAID 0 for video editing and video encoding.
Moreover, Microsoft recommends to use a SSD for Windows 8.1.
3) So, do you think I really need a SSD, with which capacity (256 or 512 GB ?) and which brand?
4) A SSD for the OS and software and HDDs in RAID 0 for video editing?
I edit HD (1600 x 1080 pixels) and I plan a budget between 450 and 650 $ for upgrading my PC.
Maybe I can only buy one new motherboard for 200 $, keeping my CPU and my RAM and buy a SSD 480 GB for 333 $ (total 200 + 333 = 533 $).
5) Do you agree with me for buying just only a motherboard and a SSD ?
Thank you in advance if someone can help me.
Otherwise my configuration seems to comply with http://www.adobe.com/products/creativecloud/tech-specs.html I have only a doubt for the sound.
Best regards
PS: the names of actual companies and products mentioned herein may be the trademarks of their respective owners.Hello Isidore,
I can answer questions 3 and 4, as I have that sort of setup.
3.) No, you don't really need an SSD, but I would certainly recommend that you buy one. You'll notice a huge difference in the amount of time it takes to boot. I bought the OCZ Vertex 3 (120GB) a while back, and it's very fast. Whether or not you should get one just depends on whether the speed is worth it to you, but if I were you, I would.
As for the size, that depends on exactly what you'll use it for. See number 4 below.
4.) Yes, that's my setup. The SSD is my primary drive, and my HDD is for everything else. Here's basically how I have everything setup:
When I finish a day of shooting, I copy all my footage into a special folder (I named it "IMPORT" since I use it often) on my SSD. I do this because the clips load much faster in Prelude and Premiere Pro. Then, after I finish and export the project, I move all the original files onto my HDD. I would still do this even I had a larger SSD, because it's always good to keep your primary drives clean.
I also set the render and cache directories to those that I create on my HDD, because for longer projects, my SSD would fill up quickly, so that's why you may want to consider buying a larger SSD (even though 128GB would probably work just fine).
I hope this helped a little!
~Josh -
Advice about crackling sound on the P100-188
Hi,
If you own a P100-188 and are experiencing crackling with windows alert sounds (you can check this by opening the sound volume on the taskbar and continually clicking on the volume adjust button), and to a lesser extent with music and other applications, it may be worth contacting Toshiba. I sent an email to Toshiba's Technical department at [email protected] explaining the problem I was having and to ask if they were aware of it, as one or two other people have experienced the same symptoms. They sent an email back asking me to contact Toshiba Global Support Centre on 0870 066 0191 in order to get further technical advice and assistance. On doing this a support assistant asked me to re-install the sound drivers, which I did with no success, the crackling sound was still apparent, as a result I'm now waiting for the courier to contact me in order to send my notebook in for repair.
The sound problem wasn't bad and I only contacted Toshiba in order to enquire if they were aware of the problem and were working towards a solution, thinking that it was driver related as it occurred while using speakers and through earphones. It seems now that it is hardware related and only repaired by open heart syrgery.
I hope this helps other P100-188 owners with the same problem.Hi Andrej, all my dealings concerning this matter are through Toshiba Global Support Centre, they arranged to pick my machine up for repair. What is most annoying for me right now is that I've just realised that the latest drivers for the sound card came out the very same day as I sent the notebook in for repair! If the problem I was having is driver related (I'm still unsure), then it seems I couldn't have gotten more unlucky with the timing, but with my luck it's to be expected lol.
I contacted the support centre again today to enquire on the status of my notebook, and I informed the support person that new sound drivers where available for my machine. She then contacted the repair centre and informed them that new drivers where available and recommended they try them before attempting a more drastic course of action. If it turns out that the drivers do fix the problem, it appears Toshiba have went to a lot of unnecessary trouble and spent a lot of money in order to have them installed on my machine! It would appear Toshiba (at some level) where aware of sound related problems on this machine as new drivers have been released, it would also appear that support personnel have been kept in the dark, so to speak. -
New to Mac - Configuration Hardware Advise for Final Cut Professional
I am switching over for Avid IBM to Finalcut. I am going to be doing a lot of documentary video editing in HD and after going to the apple store and I am seeking some experienced hardware advice. I don't want to have any regrets 6 months into this since I need hit the ground running and cost is pretty much not a limitation. I will be docking into a desk suite with my mac book i just don't know how much on the road editing I will be doing. Would like to do a large monitor and a color coded keyboard later.
My question are:
15" or 17"? 17 has ATA drive slot faster ext drive access. I don't know final cut desktop workspace enough yet whether the ext 1" will be appreciated. Its a lot bigger and not much more weight 1 lb.
Internal Drive? - Solid state is very expensive. Looks like 500 gig largest internal
Ext drives - Going with 7200rpm - my projects are going to be about 30 mins each. I'm thinking more smaller drives than one big 4 TB drive. What is a good rule of thumb for how much drive per final edit time for a shot intensive project? Recommendations for running compressed or uncompressed?
How much ram? 4 or 8 gig? (I'm also thinking 8 just of resale later when I upgrade)
Software - Do I want the Final Cut Suite? other stuff I may need?
Training? Online computer guided? I like software training the best I'm getting the $100
Cabling etc?
Thank you in advance for any help you can give me. I have to purchase this system asap and make the plunge into a mac from IBM Avid.UlfLaursen wrote:
... Would that extra power og the graphics card, … be worth an extra $1200?
I'm taking up on this board a very, very radical p.o.v.:
Speed is no issue.
When using optimzed media, even my stoneold c2d/4GB Mini I had before had no trouble to handle multicam-streams... (Windows-using-friends in shock "Really??")
A faster hardware outperforms when? On transcoding/rendering. But:
a) you can start editing BEFORE transcoding is accomplished (one of the many marvels of FCPX I don't understand but like)
b) you can keep editing a project while it is exported .. one of the many marvels of... ok, we had that
c) '33% faster' means what? 20min instead of 30? wowy, use this spare time for writing a book, healing cancer, give world peace..
No, as long as you're not in a newsroom and HAVE to deliver on time, as long as you don't get paid that extra 1.200€ by your clients ('cause you're an amateur like me), it is plain nonsense to dig into the specs of costly SSDs, GraCas, internal busses, tranffer rates and what not.
... if you're a 'hackintosh'-builder or a Linux-woreshipper, all this stuff is a wonderful, time-eating hobby.
But for using FCPX 10-20x a year for some 20min YouTube-family-video... ?
c'mon!! Get alive!
Speed is no issue.
… and:
Compounds are evil.
'nuff said ... LOL!
mane tak for listening... -
Data Acquisition Solution for Measurement of Temp,V,I,P,Q,PF,f
Dear All,
I am facing one problem in selecting the Hardware,can anybody support me,
This is regarding DAQ Solution(cFP) for Measurement of Temperature,Voltage,Current,Active Power,Reactive Power,Power Factor and Frequency for a Motor.
Requirement is that, Measurement and Monitoring of Temperature,Voltage,Current,Active Power,Reactive Power,Power Factor and Frequency for a Motor
1)12 RTD Inputs(PT 100 Sensors)
2)3 Current(From 3 CT's) ,3 Voltage(From 3 PT's) [From these 6 Parameters,Active Power,Reactive Power,Power Factor,Frequency we have to derive ]
Hardware which i have selected is attached,please find the attachment..
RTD Module which i have selelcted is ok,but i have one doubt in AI Module Selection,
I selected AI 100 Module(8 Channel(Both V,I).12 bit,360 S/s[in this i have one doubt,i.e.360 Samples that to per channel or 360 Samples per 8 channels?) for taking 3 Voltage Signals from PT's and 3 Current Signals from CT's)
If we install and take signals from Motor,in reality harmonics(Max if we consider 8th Harmonic Components [8*50=400 Hz will be signal Freq]) will come into picture,
For finding frequency(From V,I wave shapes),atleast (5 Fs i.e.5*400=2kS/s i have to take right,correct me sir if i am wrong..)
Why we want this system is,currently,we are using Yokogava Power Analyzer for finding Voltage,Current,Active Power,Reactive Power,Power Factor and Frequency,But RTD it cant..,So we need total System with RTD SIgnals and above parameters to be monitored in a host PC without any Power Analyzer,i.e.our measurement system should be independent of Yokogava Power Analyzer.Again one problem is that Yokogava is giving Accuracy 0.02% in the measurement of Power and what about the accuracy of our system and for this,which Module shall i go for?)
Regards,
Bujjin
Attachments:
cFP System Configuration.JPG 141 KBHi wayne.C,
Thank you very much for your reply,
Actually Interfacing the instrument for Power and remaining using Compact DAQ is also one more solution as u told,
but problem here is that,we are always dependent on the instruemnt.So i am looking for common Hardware platform
which will server both the purposes,and obviously,i will go for cRIO Solution,as sampling rate will be higher,
Thanks and regards,
Bujjin -
DO i need some extra hardware interface for receving both Audio and video
hi i m doing e-learning project. i have to capture video from webcam and voice from headphone and send to client.
but my code is working fine for either one at a time.
DO i need some extra hardware interface for receving both Audio and video. im using code AVTransmit and AVReceive found from this site only
After running TX
i give Dsound:// & vfw://0 in Media Locater only sound is received and no vedio
and when i give vfw://0 in Media Locater only live video is transmited.
im using JMF1.1.2e.
if any one know the method to run or cause of it plz reply me soon. i will be very thankfull
transmiter/server side code .first run TX on server
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.util.*;
import javax.media.rtp.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
public class Tx extends JFrame implements ActionListener, KeyListener,
MouseListener, WindowListener {
Vector targets;
JList list;
JButton startXmit;
JButton rtcp;
JButton update;
JButton expiration;
JButton statistics;
JButton addTarget;
JButton removeTarget;
JTextField tf_remote_address;
JTextField tf_remote_data_port;
JTextField tf_media_file;
JTextField tf_data_port;
TargetListModel listModel;
AVTransmitter avTransmitter;
RTCPViewer rtcpViewer;
JCheckBox cb_loop;
Config config;
public Tx() {
setTitle( "JMF/RTP Transmitter");
config= new Config();
GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
JPanel p= new JPanel();
p.setLayout( gridBagLayout);
JPanel localPanel= createLocalPanel();
gbc= new GridBagConstraints();
gbc.gridx= 0;
gbc.gridy= 0;
gbc.gridwidth= 2;
gbc.anchor= GridBagConstraints.CENTER;
gbc.fill= GridBagConstraints.BOTH;
gbc.insets= new Insets( 10, 5, 0, 0);
((GridBagLayout)p.getLayout()).setConstraints( localPanel, gbc);
p.add( localPanel);
JPanel targetPanel= createTargetPanel();
gbc= new GridBagConstraints();
gbc.gridx= 1;
gbc.gridy= 1;
gbc.weightx= 1.0;
gbc.weighty= 1.0;
gbc.anchor= GridBagConstraints.CENTER;
gbc.fill= GridBagConstraints.BOTH;
gbc.insets= new Insets( 10, 5, 0, 0);
((GridBagLayout)p.getLayout()).setConstraints( targetPanel, gbc);
p.add( targetPanel);
JPanel mediaPanel= createMediaPanel();
gbc= new GridBagConstraints();
gbc.gridx= 1;
gbc.gridy= 2;
gbc.weightx= 1.0;
gbc.weighty= 1.0;
gbc.anchor= GridBagConstraints.CENTER;
gbc.fill= GridBagConstraints.BOTH;
gbc.insets= new Insets( 10, 5, 0, 0);
((GridBagLayout)p.getLayout()).setConstraints( mediaPanel, gbc);
p.add( mediaPanel);
JPanel buttonPanel= new JPanel();
rtcp= new JButton( "RTCP Monitor");
update= new JButton( "Transmission Status");
update.setEnabled( false);
rtcp.addActionListener( this);
update.addActionListener( this);
buttonPanel.add( rtcp);
buttonPanel.add( update);
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 3;
gbc.gridwidth= 2;
gbc.weightx = 1.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.CENTER;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( buttonPanel, gbc);
p.add( buttonPanel);
getContentPane().add( p);
list.addMouseListener( this);
addWindowListener( this);
pack();
setVisible( true);
private JPanel createMediaPanel() {
JPanel p= new JPanel();
GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
p.setLayout( gridBagLayout);
JLabel label= new JLabel( "Media Locator:");
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.EAST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( label, gbc);
p.add( label);
tf_media_file= new JTextField( 35);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 0;
gbc.weightx = 1.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( tf_media_file, gbc);
p.add( tf_media_file);
tf_media_file.setText( config.media_locator);
cb_loop= new JCheckBox( "loop");
startXmit= new JButton( "Start Transmission");
startXmit.setEnabled( true);
startXmit.addActionListener( this);
gbc= new GridBagConstraints();
gbc.gridx = 2;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( cb_loop, gbc);
p.add( cb_loop);
cb_loop.setSelected( true);
cb_loop.addActionListener( this);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 1;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.CENTER;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( startXmit, gbc);
p.add( startXmit);
TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Source");
p.setBorder( titledBorder);
return p;
private JPanel createTargetPanel() {
JPanel p= new JPanel();
GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
p.setLayout( gridBagLayout);
targets= new Vector();
for( int i= 0; i < config.targets.size(); i++) {
targets.addElement( config.targets.elementAt( i));
listModel= new TargetListModel( targets);
list= new JList( listModel);
list.addKeyListener( this);
list.setPrototypeCellValue( "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
JScrollPane scrollPane= new JScrollPane( list,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
gbc= new GridBagConstraints();
gbc.gridx= 0;
gbc.gridy= 0;
gbc.weightx= 1.0;
gbc.weighty= 1.0;
gbc.anchor= GridBagConstraints.CENTER;
gbc.fill= GridBagConstraints.BOTH;
gbc.insets= new Insets( 10, 5, 0, 0);
((GridBagLayout)p.getLayout()).setConstraints( scrollPane, gbc);
p.add( scrollPane);
JPanel p1= new JPanel();
p1.setLayout( gridBagLayout);
JLabel label= new JLabel( "IP Address:");
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.EAST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p1.getLayout()).setConstraints( label, gbc);
p1.add( label);
tf_remote_address= new JTextField( 15);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p1.getLayout()).setConstraints( tf_remote_address, gbc);
p1.add( tf_remote_address);
label= new JLabel( "Data Port:");
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 1;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.EAST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p1.getLayout()).setConstraints( label, gbc);
p1.add( label);
tf_remote_data_port= new JTextField( 15);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 1;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p1.getLayout()).setConstraints( tf_remote_data_port, gbc);
p1.add( tf_remote_data_port);
JPanel p2= new JPanel();
addTarget= new JButton( "Add Target");
removeTarget= new JButton( "Remove Target");
p2.add( addTarget);
p2.add( removeTarget);
addTarget.addActionListener( this);
removeTarget.addActionListener( this);
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 2;
gbc.weightx = 1.0;
gbc.weighty = 0.0;
gbc.gridwidth= 2;
gbc.anchor = GridBagConstraints.CENTER;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.insets = new Insets( 20,5,0,5);
((GridBagLayout)p1.getLayout()).setConstraints( p2, gbc);
p1.add( p2);
gbc= new GridBagConstraints();
gbc.gridx= 1;
gbc.gridy= 0;
gbc.weightx= 1.0;
gbc.weighty= 1.0;
gbc.anchor= GridBagConstraints.CENTER;
gbc.fill= GridBagConstraints.BOTH;
gbc.insets= new Insets( 10, 5, 0, 0);
((GridBagLayout)p.getLayout()).setConstraints( p1, gbc);
p.add( p1);
TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Targets");
p.setBorder( titledBorder);
return p;
private JPanel createLocalPanel() {
JPanel p= new JPanel();
GridBagLayout gridBagLayout= new GridBagLayout();
GridBagConstraints gbc;
p.setLayout( gridBagLayout);
JLabel label= new JLabel( "IP Address:");
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.EAST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p.getLayout()).setConstraints( label, gbc);
p.add( label);
JTextField tf_local_host= new JTextField( 15);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 0;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p.getLayout()).setConstraints( tf_local_host, gbc);
p.add( tf_local_host);
try {
String host= InetAddress.getLocalHost().getHostAddress();
tf_local_host.setText( host);
} catch( UnknownHostException e) {
label= new JLabel( "Data Port:");
gbc= new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 1;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.EAST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,0,5);
((GridBagLayout)p.getLayout()).setConstraints( label, gbc);
p.add( label);
tf_data_port= new JTextField( 15);
gbc= new GridBagConstraints();
gbc.gridx = 1;
gbc.gridy = 1;
gbc.weightx = 0.0;
gbc.weighty = 0.0;
gbc.anchor = GridBagConstraints.WEST;
gbc.fill = GridBagConstraints.NONE;
gbc.insets = new Insets( 5,5,10,5);
((GridBagLayout)p.getLayout()).setConstraints( tf_data_port, gbc);
p.add( tf_data_port);
tf_data_port.setText( config.local_data_port);
TitledBorder titledBorder= new TitledBorder( new EtchedBorder(), "Local Host");
p.setBorder( titledBorder);
return p;
public void actionPerformed( ActionEvent event) {
Object source= event.getSource();
if( source == addTarget) {
String ip= tf_remote_address.getText().trim();
String port= tf_remote_data_port.getText().trim();
String localPort= tf_data_port.getText().trim();
addTargetToList( localPort, ip, port);
if( avTransmitter != null) {
avTransmitter.addTarget( ip, port);
} else if( source == removeTarget) {
int index= list.getSelectedIndex();
if( index != -1) {
Target target= (Target) targets.elementAt( index);
if( avTransmitter != null) {
avTransmitter.removeTarget( target.ip, target.port);
targets.removeElement( target);
listModel.setData( targets);
} else if( source == startXmit) {
if( startXmit.getLabel().equals( "Start Transmission")) {
int data_port= new Integer( tf_data_port.getText()).intValue();
avTransmitter= new AVTransmitter( this, data_port);
avTransmitter.start( tf_media_file.getText().trim(), targets);
avTransmitter.setLooping( cb_loop.isSelected());
startXmit.setLabel( "Stop Transmission");
} else if( startXmit.getLabel().equals( "Stop Transmission")) {
avTransmitter.stop();
avTransmitter= null;
removeNonBaseTargets();
listModel.setData( targets);
startXmit.setLabel( "Start Transmission");
} else if( source == rtcp) {
if( rtcpViewer == null) {
rtcpViewer= new RTCPViewer();
} else {
rtcpViewer.setVisible( true);
rtcpViewer.toFront();
} else if( source == cb_loop) {
if( avTransmitter != null) {
avTransmitter.setLooping( cb_loop.isSelected());
private void removeNonBaseTargets() {
String localPort= tf_data_port.getText().trim();
for( int i= targets.size(); i > 0;) {
Target target= (Target) targets.elementAt( i - 1);
if( !target.localPort.equals( localPort)) {
targets.removeElement( target);
i--;
public void addTargetToList( String localPort,
String ip, String port) {
ListUpdater listUpdater= new ListUpdater( localPort, ip,
port, listModel, targets);
SwingUtilities.invokeLater( listUpdater);
public void rtcpReport( String report) {
if( rtcpViewer != null) {
rtcpViewer.report( report);
public void windowClosing( WindowEvent event) {
config.local_data_port= tf_data_port.getText().trim();
config.targets= new Vector();
for( int i= 0; i < targets.size(); i++) {
Target target= (Target) targets.elementAt( i);
if( target.localPort.equals( config.local_data_port)) {
config.addTarget( target.ip, target.port);
config.media_locator= tf_media_file.getText().trim();
config.write();
System.exit( 0);
public void windowClosed( WindowEvent event) {
public void windowDeiconified( WindowEvent event) {
public void windowIconified( WindowEvent event) {
public void windowActivated( WindowEvent event) {
public void windowDeactivated( WindowEvent event) {
public void windowOpened( WindowEvent event) {
public void keyPressed( KeyEvent event) {
public void keyReleased( KeyEvent event) {
Object source= event.getSource();
if( source == list) {
int index= list.getSelectedIndex();
public void keyTyped( KeyEvent event) {
public void mousePressed( MouseEvent e) {
public void mouseReleased( MouseEvent e) {
public void mouseEntered( MouseEvent e) {
public void mouseExited( MouseEvent e) {
public void mouseClicked( MouseEvent e) {
Object source= e.getSource();
if( source == list) {
int index= list.getSelectedIndex();
if( index != -1) {
Target target= (Target) targets.elementAt( index);
tf_remote_address.setText( target.ip);
tf_remote_data_port.setText( target.port);
int index= list.locationToIndex( e.getPoint());
public static void main( String[] args) {
new Tx();
class TargetListModel extends AbstractListModel {
private Vector options;
public TargetListModel( Vector options) {
this.options= options;
public int getSize() {
int size;
if( options == null) {
size= 0;
} else {
size= options.size();
return size;
public Object getElementAt( int index) {
String name;
if( index < getSize()) {
Target o= (Target)options.elementAt( index);
name= o.localPort + " ---> " + o.ip + ":" + o.port;
} else {
name= null;
return name;
public void setData( Vector data) {
options= data;
fireContentsChanged( this, 0, data.size());
class ListUpdater implements Runnable {
String localPort, ip, port;
TargetListModel listModel;
Vector targets;
public ListUpdater( String localPort, String ip, String port,
TargetListModel listModel, Vector targets) {
this.localPort= localPort;
this.ip= ip;
this.port= port;
this.listModel= listModel;
this.targets= targets;
public void run() {
Target target= new Target( localPort, ip, port);
if( !targetExists( localPort, ip, port)) {
targets.addElement( target);
listModel.setData( targets);
public boolean targetExists( String localPort, String ip, String port) {
boolean exists= false;
for( int i= 0; i < targets.size(); i++) {
Target target= (Target) targets.elementAt( i);
if( target.localPort.equals( localPort)
&& target.ip.equals( ip)
&& target.port.equals( port)) {
exists= true;
break;
return exists;
>>>>>>>>>>>>>>>>>
import java.awt.*;
import java.io.*;
import java.net.InetAddress;
import java.util.*;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.format.*;
import javax.media.control.TrackControl;
import javax.media.control.QualityControl;
import javax.media.rtp.*;
import javax.media.rtp.event.*;
import javax.media.rtp.rtcp.*;
public class AVTransmitter implements ReceiveStreamListener, RemoteListener,
ControllerListener {
// Input MediaLocator
// Can be a file or http or capture source
private MediaLocator locator;
private String ipAddress;
private int portBase;
private Processor processor = null;
private RTPManager rtpMgrs[];
private int localPorts[];
private DataSource dataOutput = null;
private int local_data_port;
private Tx tx;
public AVTransmitter( Tx tx, int data_port) {
this.tx= tx;
local_data_port= data_port;
* Starts the transmission. Returns null if transmission started ok.
* Otherwise it returns a string with the reason why the setup failed.
public synchronized String start( String filename, Vector targets) {
String result;
locator= new MediaLocator( filename);
// Create a processor for the specified media locator
// and program it to output JPEG/RTP
result = createProcessor();
if (result != null) {
return result;
// Create an RTP session to transmit the output of the
// processor to the specified IP address and port no.
result = createTransmitter( targets);
if (result != null) {
processor.close();
processor = null;
return result;
// Start the transmission
processor.start();
return null;
* Use the RTPManager API to create sessions for each media
* track of the processor.
private String createTransmitter( Vector targets) {
// Cheated. Should have checked the type.
PushBufferDataSource pbds = (PushBufferDataSource)dataOutput;
PushBufferStream pbss[] = pbds.getStreams();
rtpMgrs = new RTPManager[pbss.length];
localPorts = new int[ pbss.length];
SessionAddress localAddr, destAddr;
InetAddress ipAddr;
SendStream sendStream;
int port;
SourceDescription srcDesList[];
for (int i = 0; i < pbss.length; i++) {
// for (int i = 0; i < 1; i++) {
try {
rtpMgrs[i] = RTPManager.newInstance();
port = local_data_port + 2*i;
localPorts[ i]= port;
localAddr = new SessionAddress( InetAddress.getLocalHost(),
port);
rtpMgrs.initialize( localAddr);
rtpMgrs[i].addReceiveStreamListener(this);
rtpMgrs[i].addRemoteListener(this);
for( int k= 0; k < targets.size(); k++) {
Target target= (Target) targets.elementAt( k);
int targetPort= new Integer( target.port).intValue();
addTarget( localPorts[ i], rtpMgrs[ i], target.ip, targetPort + 2*i);
sendStream = rtpMgrs[i].createSendStream(dataOutput, i);
sendStream.start();
} catch (Exception e) {
e.printStackTrace();
return e.getMessage();
return null;
public void addTarget( String ip, String port) {
for (int i= 0; i < rtpMgrs.length; i++) {
int targetPort= new Integer( port).intValue();
addTarget( localPorts[ i], rtpMgrs[ i], ip, targetPort + 2*i);
public void addTarget( int localPort, RTPManager mgr, String ip, int port) {
try {
SessionAddress addr= new SessionAddress( InetAddress.getByName( ip),
new Integer( port).intValue());
mgr.addTarget( addr);
tx.addTargetToList( localPort + "", ip, port + "");
} catch( Exception e) {
e.printStackTrace();
public void removeTarget( String ip, String port) {
try {
SessionAddress addr= new SessionAddress( InetAddress.getByName( ip),
new Integer( port).intValue());
for (int i= 0; i < rtpMgrs.length; i++) {
rtpMgrs[ i].removeTarget( addr, "target removed from transmitter.");
} catch( Exception e) {
e.printStackTrace();
boolean looping= true;
public void controllerUpdate( ControllerEvent ce) {
System.out.println( ce);
if( ce instanceof DurationUpdateEvent) {
Time duration= ((DurationUpdateEvent) ce).getDuration();
System.out.println( "duration: " + duration.getSeconds());
} else if( ce instanceof EndOfMediaEvent) {
System.out.println( "END OF MEDIA - looping=" + looping);
if( looping) {
processor.setMediaTime( new Time( 0));
processor.start();
public void setLooping( boolean flag) {
looping= flag;
public void update( ReceiveStreamEvent event) {
String timestamp= getTimestamp();
StringBuffer sb= new StringBuffer();
if( event instanceof InactiveReceiveStreamEvent) {
sb.append( timestamp + " Inactive Receive Stream");
} else if( event instanceof ByeEvent) {
sb.append( timestamp + " Bye");
} else {
System.out.println( "ReceiveStreamEvent: "+ event);
tx.rtcpReport( sb.toString());
public void update( RemoteEvent event) {
String timestamp= getTimestamp();
if( event instanceof ReceiverReportEvent) {
ReceiverReport rr= ((ReceiverReportEvent) event).getReport();
StringBuffer sb= new StringBuffer();
sb.append( timestamp + " RR");
if( rr != null) {
Participant participant= rr.getParticipant();
if( participant != null) {
sb.append( " from " + participant.getCNAME());
sb.append( " ssrc=" + rr.getSSRC());
} else {
sb.append( " ssrc=" + rr.getSSRC());
tx.rtcpReport( sb.toString());
} else {
System.out.println( "RemoteEvent: " + event);
private String getTimestamp() {
String timestamp;
Calendar calendar= Calendar.getInstance();
int hour= calendar.get( Calendar.HOUR_OF_DAY);
String hourStr= formatTime( hour);
int minute= calendar.get( Calendar.MINUTE);
String minuteStr= formatTime( minute);
int second= calendar.get( Calendar.SECOND);
String secondStr= formatTime( second);
timestamp= hourStr + ":" + minuteStr + ":" + secondStr;
return timestamp;
private String formatTime( int time) {
String timeStr;
if( time < 10) {
timeStr= "0" + time;
} else {
timeStr= "" + time;
return timeStr;
* Stops the transmission if already started
public void stop() {
synchronized (this) {
if (processor != null) {
processor.stop();
processor.close();
processor = null;
for (int i= 0; i < rtpMgrs.length; i++) {
rtpMgrs[ i].removeTargets( "Session ended.");
rtpMgrs[ i].dispose();
public String createProcessor() {
if (locator == null) {
return "Locator is null";
DataSource ds;
DataSource clone;
try {
ds = javax.media.Manager.createDataSource(locator);
} catch (Exception e) {
return "Couldn't create DataSource";
// Try to create a processor to handle the input media locator
try {
processor = javax.media.Manager.createProcessor(ds);
processor.addControllerListener( this);
} catch (NoProcessorException npe) {
return "Couldn't create processor";
} catch (IOException ioe) {
return "IOException creating processor";
// Wait for it to configure
boolean result = waitForState(processor, Processor.Configured);
if (result == false)
return "Couldn't configure processor";
// Get the tracks from the processor
TrackControl [] tracks = processor.getTrackControls();
// Do we have atleast one track?
if (tracks == null || tracks.length < 1)
return "Couldn't find tracks in processor";
// Set the output content descriptor to RAW_RTP
// This will limit the supported formats reported from
// Track.getSupportedFormats to only valid RTP formats.
ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW_RTP);
processor.setContentDescriptor(cd);
Format supported[];
Format chosen;
boolean atLeastOneTrack = false;
// Program the tracks.
for (int i = 0; i < tracks.length; i++) {
Format format = tracks[i].getFormat();
if (tracks[i].isEnabled()) {
supported = tracks[i].getSupportedFormats();
// We've set the output content to the RAW_RTP.
// So all the supported formats should work with RTP.
// We'll just pick the first one.
if (supported.length > 0) {
if (supported[0] instanceof VideoFormat) {
// For video formats, we should double check the
// sizes since not all formats work in all sizes.
chosen = checkForVideoSizes(tracks[i].getFormat(),
supported[0]);
} else
chosen = supported[0];
tracks[i].setFormat(chosen);
System.err.println("Track " + i + " is set to transmit as:");
System.err.println(" " + chosen);
atLeastOneTrack = true;
} else
tracks[i].setEnabled(false);
} else
tracks[i].setEnabled(false);
if (!atLeastOneTrack)
return "Couldn't set any of the tracks to a valid RTP format";
// Realize the processor. This will internally create a flow
// graph and attempt to create an output datasource for JPEG/RTP
// audio frames.
result = waitForState(processor, Controller.Realized);
if (result == false)
return "Couldn't realize processor";
// Set the JPEG quality to .5.
setJPEGQuality(processor, 0.5f);
// Get the output data source of the processor
dataOutput = processor.getDataOutput();
return null;
static SessionAddress destAddr1, destAddr2;
* For JPEG and H263, we know that they only work for particular
* sizes. So we'll perform extra checking here to make sure they
* are of the right sizes.
Format checkForVideoSizes(Format original, Format supported) {
int width, height;
Dimension size = ((VideoFormat)original).getSize();
Format jpegFmt = new Format(VideoFormat.JPEG_RTP);
Format h263Fmt = new Format(VideoFormat.H263_RTP);
if (supported.matches(jpegFmt)) {
// For JPEG, make sure width and height are divisible by 8.
width = (size.width % 8 == 0 ? size.width :
(int)(size.width / 8) * 8);
height = (size.height % 8 == 0 ? size.height :
(int)(size.height / 8) * 8);
} else if (supported.matches(h263Fmt)) {
// For H.263, we only support some specific sizes.
if (size.width < 128) {
width = 128;
height = 96;
} else if (size.width < 176) {
width = 176;
height = 144;
} else {
width = 352;
height = 288;
} else {
// We don't know this particular format. We'll just
// leave it alone then.
return supported;
return (new VideoFormat(null,
new Dimension(width, height),
Format.NOT_SPECIFIED,
null,
Format.NOT_SPECIFIED)).intersects(supported);
* Setting the encoding quality to the specified value on the JPEG encoder.
* 0.5 is a good default.
void setJPEGQuality(Player p, float val) {
Control cs[] = p.getControls();
QualityControl qc = null;
VideoFormat jpegFmt = new VideoFormat(VideoFormat.JPEG);
// Loop through the controls to find the Quality control for
// the JPEG encoder.
for (int i = 0; i < cs.length; i++) {
if (cs[i] instanceof QualityControl &&
cs[i] instanceof Owned) {
Object owner = ((Owned)cs[i]).getOwner();
// Check to see if the owner is a Codec.
// Then check for the output format.
if (owner instanceof Codec) {
Format fmts[] = ((Codec)owner).getSupportedOutputFormats(null);
for (int j = 0; j < fmts.length; j++) {
if (fmts[j].matches(jpegFmt)) {
qc = (QualityControl)cs[i];
qc.setQuality(val);
System.err.println("- Setting quality to " +
val + " on " + qc);
break;
if (qc != null)
break;
* Convenience methods to handle processor's state changes.
private Integer stateLock = new Integer(0);
private boolean failed = false;
Integer getStateLock() {
return stateLock;
void setFailed() {
failed = true;
private synchronized boolean waitForState(Processor p, int state) {
p.addControllerListener(new StateListener());
failed = false;
// Call the required method on the processor
if (state == Processor.Configured) {
p.configure();
} else if (state == Processor.Realized) {
p.realize();
// Wait until we get an event that confirms the
// success of the method, or a failure event.
// See StateListener inner class
while (p.getState() < state && !failed) {
synchronized (getStateLock()) {
try {
getStateLock().wait();
} catch (InterruptedException ie) {
return false;
if (failed)
return false;
else
return true;
* Inner Classes
class StateListener implements ControllerListener {
public void controllerUpdate(ControllerEvent ce) {
// If there was an error during configure or
// realizI do this all the time, I put my MBP to a 60 inch Sharp. If you have the video working do the simple thing first. Check to make sure your sound is on your TV and Mac. Then if that doesn't work go to System Prefrences and under sound go to a tab called Output and see if your TV is listed and if it is change it to that setting
Hope It Works -
What is the Cisco tool for measuring traffic of wireless endpoint users
Hi Experts
I am looking to start a Mesh WISP utilizing Cisco Aironet products (1500 series) and would like to know what is the best Cisco (or if the case has to be "non Cisco") product for measuring the amount of traffic from wireless clients connected to my Cisco Mesh.
Basically I want to be able to say User xyz has this IP xxx.xxx.xxx.xxx how much have they uploaded and how much have they downloaded this month.
This also then allows me to integrate multiple business mobile devices into their broadband plans which is something no-one yet offers in my City.
From what I have read Netflow is the measurement technology but how do I take this data and aggregate it by IP / User for billing purposes. Is there something better at it than Netflow? Your expert opinions and suggestions are much appreciated.
Regards
TyThat sounds like Cisco Wireless Control System (WCS).
Cisco Wireless Control System (WCS) Data Sheet
http://www.cisco.com/en/US/prod/collateral/wireless/ps5755/ps6301/ps6305/product_data_sheet0900aecd802570d0.html
Please don't forget to rate useful posts. Thanks. -
Advice for real performance of LV8.5 operate in the XP and Vista
Hi all
My company had purchased new computers for LabVIEW programming purpose.
We may install the LV8.5 in these computers but OS are not decided yet. Also, we have the current PC is only XP licensed
Therefore, can anyone give the advice for the real performance advantage of using :
LV8.5 with Vista over LV8.5 with XP
LV8.5 with Vista over LV7.1 with XP
LV7.1 with Vista over LV7.1 with XP
New computers detail:
Intel(R) Pentium(R)Dual-Core processor E2160
BCH-P111 -1.80GHz, 1MB L2 cache, 800MHz FSB
2GB RAM
Thanks
Best Regards
Steve SoThe biggest issue I have seen with 8.5 Vista vs. XP is that if you leave Vista in the standard theme, the fonts have changed. I designed several front panels to have them be out of whack with XP. So if you are going to be using code across platforms, you need to keep in mind they will look different unless you use the XP theme in Vista, or customize your fonts to make sure they remain the same between the systems. The dialog font is a different size (13 on Vista vs. 11 on XP), and a different font (can't remember the difference). That was the big one I noticed.
8.5 over 7.1 is mostly going to be the learning curve to learn the new features. Overall, I have appreciated the changes, but there are some things (mostly development related) that I have seen run a little slower in 8.5 than in 7.1, but have not noticed any runtime issues as of yet. One big change between the versions is application building, which is more complex in 8+. I do appreciate the new features, though, but NIs project still hasn't rubbed me the right way yet.
NI doesn't support LV 7.1 with Vista. I have used it and haven't seen any problems, but that doesn't mean one won't pop up. If you're going to stay with 7.1, you better stay with XP. 8.5 is the first version NIs supports as Vista compatible. You will also have to use a relatively new set of device drivers, so if you have old hardware you are trying to use in your new system, make sure it is cimpatible with the latest drivers.
I have actually had more issues with other hardware drivers and software packages than I have with LabVIEW. TestStand is not yet supported in Vista, and i found out the hard way, one of the ways it is incompatible and had to move back to XP for devlopment. -
[Gnome 3] Uses for System Sound Alsa instead of Pulse Audio?!
If I open "Sound Settings" click on the reiter "Applications" then I see which programs are currently playing sound.
Because I have installed the freedesktop sound theme I hear some sound if I raise or lower the volume.
But why does it listen that the gnome-shell uses the alsa-plugin instead of pulse audio directly?!
Best RegardsHmm... well I'm using Gentoo, and I have alsa flag turned on in my instalation of sun-jdk. So I don't know, but as I say, playing buffered sound with SourceDataLine and hardware mixer (not Java Sound Audio Engine) causes the same artifacts at the end of the sound as mplayer using oss. Might as well not be related at all, but then maybe you (or anyone else) can tell me if you can observe the same kind of behaviour while playing sound with java on your machine? I have cheap Realtek High Definition sound card, but it doesn't change the fact that in Windows, the sound plays correctly.
But thanks for reply :)
PS. by OSS in this context I mean oss emulation in ALSA.
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