compress jpeg images into AVI files

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5 total messages Started by LV Wed, 28 Apr 2004 07:23

#627

Author: LV
Date: Wed, 28 Apr 2004 07:23

13 lines
1365 bytes

I have written a program in Borland C++ that can receive a lot of jpeg
files captured from an internet camera. I want to compress these
received jpeg files into a AVI files. The user can choose the compressor

they want to use, such as Cinepak Codec by Radius, Microsoft Vedio 1,
Microsoft RLE or Full Frames (Uncompressed)

My problems are how the program detects what kinds of compressors are
available in the user 's OS, and also what Win API function/ VCL
function I can call to do video compression?

Thx for reply

Re: compress jpeg images into AVI files

#626

Author: LV
Date: Wed, 28 Apr 2004 07:25

20 lines
1641 bytes

I have just read a book that mention Video Compression Manager (VCM)
provides video data compression and decompression support (uses MSVFW32.dll)

any one know how to use this library?


LV wrote:

> I have written a program in Borland C++ that can receive a lot of jpeg
> files captured from an internet camera. I want to compress these
> received jpeg files into a AVI files. The user can choose the compressor
>
> they want to use, such as Cinepak Codec by Radius, Microsoft Vedio 1,
> Microsoft RLE or Full Frames (Uncompressed)
>
> My problems are how the program detects what kinds of compressors are
> available in the user 's OS, and also what Win API function/ VCL
> function I can call to do video compression?
>
> Thx for reply

Re: compress jpeg images into AVI files

#628

Author: Michael Kutscher
Date: Wed, 28 Apr 2004 08:27

19 lines
1938 bytes

Hi,

> My problems are how the program detects what kinds of compressors are
> available in the user 's OS, and also what Win API function/ VCL
> function I can call to do video compression?
There is a turorial on how to use avi-files. There is  also a 
description in this on how to create an avi-file from a series of 
bitmaps. Its all coded in visual-basic, but its not so difficult to get 
to C++ from there (be carafull to zeroMemory all structures, before use, 
VB does that automatically... that caused many grey hairs on my head :-)
It should answer all Your questions:

www.shrinkwrapvb.com/avihelp/avihelp_1.htm

Good luck

Michael

p.s. sorry, I cannot share the avi-class, I made myself.

Re: compress jpeg images into AVI files

#629

Author: Michael Kutscher
Date: Wed, 28 Apr 2004 08:30

2 lines
1393 bytes

oops... the correct link is:
http://www.shrinkwrapvb.com/avihelp/avihelp.htm

Re: compress jpeg images into AVI files

#644

Author: Lapo Guidi
Date: Sun, 23 May 2004 21:56

9 lines
1171 bytes

Hi I'm interested on capture algorithm about internet cameras.
If would you share please contact me.
Thanks.

Lapo

> I have written a program in Borland C++ that can receive a lot of jpeg
> files captured from an internet camera. I want to compress these
> received jpeg files into a AVI files. The user can choose the compressor

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