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rupert2020
Posted
Brian, When I stream the .asf files with the Windows Media Service, they take about 15 seconds before they start. Is there a way to make larger packet sizes on the .asf file to make them play faster? I am using DU meter and see that my bandwith is only around 200kbs when the video is bufferng. I would like to see it buffering at 1Meg-2Meg (so it will start playing faster.) Is there a way to tweak that?

Thanks -Rupert

Example of what I am doing now when I make my *.asf:
SCVtoasf.exe -spi 01_chapx-.sc -wi 01_snd.wma -o 01.asf
 
Posts: 6 | Registered: 06 December 2006Reply With QuoteEdit or Delete MessageReport This Post
ScreenWatch Support
Posted Hide Post
Hi Rupert,

The ASF writer does not care what size of packets are sent to it. In fact, we don't break down the packet size of the ScreenWatch packets when we pass them to the writer.

I think the only thing you can do to speed up the load time is to use http to stream, or perhaps setting up the bandwidth of the .sc file before combining the files into an asf file. That would be done with the ropt.exe program. But I am not positive this would work.

Hope that gives you some ideas,
Brian
 
Posts: 121 | Registered: 01 March 2005Reply With QuoteEdit or Delete MessageReport This Post
rupert2020
Posted Hide Post
Brian, I tried unsuccessfully to run SCVtoasf.exe on a test.sc file which had been ropted but the resulting .asf out put file was scrambled eggs. The SCVtoasf.exe program requires the original un-ropted file.
Streaming .asf (mms / rtsp) only takes about 10-15 seconds to load, http is almost instant.
Thanks -R


quote:
Originally posted by ScreenWatch Support:
Hi Rupert,

The ASF writer does not care what size of packets are sent to it. In fact, we don't break down the packet size of the ScreenWatch packets when we pass them to the writer.

I think the only thing you can do to speed up the load time is to use http to stream, or perhaps setting up the bandwidth of the .sc file before combining the files into an asf file. That would be done with the ropt.exe program. But I am not positive this would work.

Hope that gives you some ideas,
Brian
 
Posts: 6 | Registered: 06 December 2006Reply With QuoteEdit or Delete MessageReport This Post
ScreenWatch Support
Posted Hide Post
Hi Rupert,

Sorry, I should have been more descriptive. You can use ropt.exe using the max chunk size to set your packet size down, then you need to use the -ur flag to "unropt" the file back. This will retain the chunck size, but rebuild the broken down packets that ropt created.

scXtoasf.exe will not do well with fully ropted files as the asf writer as it breaks down the packets in the asf format... We are just a stream within there.

Hope that helps some,
Brian
 
Posts: 121 | Registered: 01 March 2005Reply With QuoteEdit or Delete MessageReport This Post
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