mlib_VideoColorYUV411seq_to_UYVY422int(3MLIB)

Name

mlib_VideoColorYUV411seq_to_UYVY422int - convert YUV sequential to interleaved

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

     void mlib_VideoColorYUV411seq_to_UYVY422int(mlib_u32 *UYVY,
     const mlib_u8 *Y,const mlib_u8 *U,
     const mlib_u8 *V, mlib_s32 w,
     mlib_s32 h, mlib_s32 dlb,
     mlib_s32 ylb, mlib_s32 uvlb);

Description

The Y, U, V pixel streams are combined into a UYVY pixel stream. All pixel components are 8-bit unsigned integers. The Y buffer has dimensions w and h. The U and V buffers have dimensions w/4 and h. Dimension w is assumed to be a multiple of 4. In each row, every 4 Y values use the same U and V values.

The following equation is used:

UYVY[r][c/2]   = (U[r][c/4] << 24) |
                 (Y[r][c]   << 16) |
                 (V[r][c/4] << 8) |
                 (Y[r][c+1])

UYVY[r][c/2+1] = (U[r][c/4] << 24) |
                 (Y[r][c+2] << 16) |
                 (V[r][c/4] << 8) |
                 (Y[r][c+3])

where r = 0, 2, 4, ..., h-2; and c = 0, 2, 4, ..., w-2.

Parameters

The function takes the following arguments:

UYVY

Pointer to output buffer.

Y

Pointer to Y input buffer.

U

Pointer to U input buffer.

V

Pointer to V input buffer.

w

Image width in pixels.

h

Image height in lines.

dlb

Linebytes for UYVY buffer.

ylb

Linebytes for Y buffer.

uvlb

Linebytes for U and V buffers.

Return Values

None.

Attributes

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Committed MT-Level MT-Safe

See also

mlib_VideoColorYUV420seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV411seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV422seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV420seq_to_UYVY422int(3MLIB), mlib_VideoColorYUV422seq_to_UYVY422int(3MLIB), attributes(5)