Height , width of MPEG file

mario_a · 8th May 2002, 06:26

Hi,

How can I obtain the display height and width of an MPEG file?
Is there any simple way to do this in code?

Thanks in advance,
Mario

aquaplaning · 24th May 2002, 23:05

i found this by accident at http://www.wotsit.org/search.asp?page=2&s=animated

Sequence Header
This contains information related to one or more "group-of-pictures"
Byte#, Data, Details:
1-4, Sequence header code, In Hex 000001B3
12 bits, Horizontal size, In pixels
12 bits, Vertical size, In pixels

so:
search trough a mpeg1 file for "00 00 01 B3".
the first 12 bit from the following 3 byte contain the width...

8th May 2002, 06:26	#1 \| Link
mario_a Registered User Join Date: Feb 2002 Posts: 27	Height , width of MPEG file Hi, How can I obtain the display height and width of an MPEG file? Is there any simple way to do this in code? Thanks in advance, Mario

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24th May 2002, 23:05	#2 \| Link
aquaplaning Registered User Join Date: Apr 2002 Posts: 39	i found this by accident at http://www.wotsit.org/search.asp?page=2&s=animated Sequence Header This contains information related to one or more "group-of-pictures" Byte#, Data, Details: 1-4, Sequence header code, In Hex 000001B3 12 bits, Horizontal size, In pixels 12 bits, Vertical size, In pixels so: search trough a mpeg1 file for "00 00 01 B3". the first 12 bit from the following 3 byte contain the width...