iflYUV(3)	  Image	Format Library C++ Reference Manual	     iflYUV(3)

NAME    [Toc]    [Back]

     iflYUV - YUV format image file

HEADER FILE    [Toc]    [Back]

     #include <ifl/iflYUV.h>

DESCRIPTION    [Toc]    [Back]

     This Image	Format Library provides	support	to read/write image files
     stored in YUV format.

     Supports 8-bit CCIR-601 NSTC/PAL YUV format in fields/frames.  The	CCIR601
 active	video sizes supported are:

     NTSC    720 pixels	x 486 lines (frame format)
	     720 pixels	x 243 lines (field format)

     PAL     720 pixels	x 576 lines (frame format)
	     720 pixels	x 288 lines (field format)


     When creating YUV formatted files,	the file name must specify the
     particular	standard to follow and the format for the output image.	The
     format for	this specification follows that	of iflRaw and is given below.



	  file.yuv#yuv%standard=<STD>%format=<FMT>

     where


	  <STD>	::= PAL	| NTSC
	  <FMT>	::= FIELD | FRAME

TAG VALUES FOR GET ITEM    [Toc]    [Back]

     The followng tag values are supported with	getItem():


   iflYUVstandard
	  iflStatus getItem(iflYUVstandard, int* val)


     Returns either YUV_STANDARD_NTSC or YUV_STANDARD_PAL.  This value
     determines	the allowable size of the image.  See above for	the PAL	and
     NTSC sizes.







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iflYUV(3)	  Image	Format Library C++ Reference Manual	     iflYUV(3)



   iflYUVformat
	  iflStatus getItem(iflYUVformat, int* val)


     Returns either YUV_FORMAT_FIELD or	YUV_FORMAT_FRAME. This value
     determines	whether	the image size is a full frame (2 interleaved fields)
     or	single field. See above	for the	PAL and	NTSC field and frame sizes.

TAG VALUES FOR SET ITEM    [Toc]    [Back]

      The followng tag values are supported with setItem():


   iflYUVstandard
	  iflStatus setItem(iflYUVstandard, int	val)


     Sets the standard for this	image to either	YUV_STANDARD_NTSC or
     YUV_STANDARD_PAL.	This value determines the allowable size of the	image.


   iflYUVformat
	  iflStatus setItem(iflYUVformat, int val)


     Sets the format to	either YUV_FORMAT_FIELD	or YUV_FORMAT_FRAME. This
     value determines whether the image	size is	a full frame (2	interleaved
     fields) or	single field.

SEE ALSO    [Toc]    [Back]

     iflFile, ilFileImg


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