mlib_videocoloryuv444int_to_uyvy422int(3mlib) [sunos man page]
mlib_VideoColorYUV444int_to_UYVY422int(3MLIB) mediaLib Library Functions mlib_VideoColorYUV444int_to_UYVY422int(3MLIB) NAME
mlib_VideoColorYUV444int_to_UYVY422int - convert YUV interleaved with subsampling SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> void mlib_VideoColorYUV444int_to_UYVY422int(mlib_u32 *UYVY, const mlib_u8 *YUV, mlib_s32 w, mlib_s32 h, mlib_s32 dlb, mlib_s32 slb); DESCRIPTION
The YUV pixel stream is broken apart and recombined into a UYVY pixel stream. All pixel components are 8-bit unsigned integers. The YUV buffer has dimensions w and h. Dimension w is assumed to be a multiple of 2. Adjacent U and V values are averaged to get the output U and V values. The sequence of values in the input stream is Y[r][c], U[r][c], V[r][c], Y[r][c+1], U[r][c+1], V[r][c+1], ... The following equation is used: UYVY[r][c/2] = (((U[r][c] + U[r][c+1]) / 2) << 24) | (Y[r][c] << 16) | (((V[r][c] + V[r][c+1]) / 2) << 8) | (Y[r][c+1]) where r = 0, 1, 2, ..., h-1; and c = 0, 2, 4, ..., w-2. PARAMETERS
The function takes the following arguments: UYVY Pointer to output buffer. YUV Pointer to input buffer. w Image width in pixels. h Image height in lines. dlb Linebytes for output buffer. slb Linebytes for input buffer. RETURN VALUES
None. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_VideoColorYUV444seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV444int_to_YUYV422int(3MLIB), mlib_VideoCol- orYUV444seq_to_UYVY422int(3MLIB), mlib_VideoColorUYV444int_to_YUYV422int(3MLIB), mlib_VideoColorUYV444int_to_UYVY422int(3MLIB), attributes(5) SunOS 5.10 10 Nov 2004 mlib_VideoColorYUV444int_to_UYVY422int(3MLIB)
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mlib_VideoColorYUV444int_to_YUYV422int(3MLIB) mediaLib Library Functions mlib_VideoColorYUV444int_to_YUYV422int(3MLIB) NAME
mlib_VideoColorYUV444int_to_YUYV422int - convert YUV interleaved with subsampling SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> void mlib_VideoColorYUV444int_to_YUYV422int(mlib_u32 *YUYV, const mlib_u8 *YUV, mlib_s32 w, mlib_s32 h, mlib_s32 dlb, mlib_s32 slb); DESCRIPTION
The YUV pixel stream is broken apart and recombined into a YUYV pixel stream. All pixel components are 8-bit unsigned integers. The YUV buffer has dimensions w and h. Dimension w is assumed to be a multiple of 2. Adjacent U and V values are averaged to get the output U and V values. The sequence of values in the input stream is Y[r][c], U[r][c], V[r][c], Y[r][c+1], U[r][c+1], V[r][c+1], ... The following equation is used: YUYV[r][c/2] = (Y[r][c] << 24) | (((U[r][c] + U[r][c+1]) / 2) << 16) | (Y[r][c+1] << 8) | (((V[r][c] + V[r][c+1]) / 2)) where r = 0, 1, 2, ..., h-1; and c = 0, 2, 4, ..., w-2. PARAMETERS
The function takes the following arguments: YUYV Pointer to output buffer. YUV Pointer to input buffer. w Image width in pixels. h Image height in lines. dlb Linebytes for output buffer. slb Linebytes for input 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_VideoColorYUV444seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV444seq_to_UYVY422int(3MLIB), mlib_VideoCol- orYUV444int_to_UYVY422int(3MLIB), mlib_VideoColorUYV444int_to_YUYV422int(3MLIB), mlib_VideoColorUYV444int_to_UYVY422int(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_VideoColorYUV444int_to_YUYV422int(3MLIB)