Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> void mlib_VideoColorYUV444seq_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 slb);
The Y, U, V pixel streams are combined into a UYVY pixel stream. All pixel components are 8-bit unsigned integers. The Y, U, and V buffers have 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 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.
The function takes the following arguments:
Pointer to output buffer.
Pointer to Y input buffer.
Pointer to U input buffer.
Pointer to V input buffer.
Image width in pixels.
Image height in lines.
Linebytes for output buffer.
Linebytes for input buffers.
None.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Committed |
MT-Level |
MT-Safe |
mlib_VideoColorYUV444seq_to_YUYV422int(3MLIB), mlib_VideoColorYUV444int_to_YUYV422int(3MLIB), mlib_VideoColorYUV444int_to_UYVY422int(3MLIB), attributes(5)
Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also