Screen pixel format types

Types of supported pixel formats

Synopsis:

#include <screen/screen.h>

enum {
    SCREEN_FORMAT_BYTE = 1,
    SCREEN_FORMAT_RGBA4444 = 2,
    SCREEN_FORMAT_RGBX4444 = 3,
    SCREEN_FORMAT_RGBA5551 = 4,
    SCREEN_FORMAT_RGBX5551 = 5,
    SCREEN_FORMAT_RGB565 = 6,
    SCREEN_FORMAT_RGB888 = 7,
    SCREEN_FORMAT_RGBA8888 = 8,
    SCREEN_FORMAT_RGBX8888 = 9,
    SCREEN_FORMAT_YVU9 = 10,
    SCREEN_FORMAT_YUV420 = 11,
    SCREEN_FORMAT_NV12 = 12,
    SCREEN_FORMAT_YV12 = 13,
    SCREEN_FORMAT_UYVY = 14,
    SCREEN_FORMAT_YUY2 = 15,
    SCREEN_FORMAT_YVYU = 16,
    SCREEN_FORMAT_V422 = 17,
    SCREEN_FORMAT_AYUV = 18,
    SCREEN_FORMAT_NV16 = 19,
    SCREEN_FORMAT_NFORMATS
};

Data:

SCREEN_FORMAT_BYTE
SCREEN_FORMAT_RGBA4444: 16 bits per pixel (4 bits per channel) RGB with alpha channel
SCREEN_FORMAT_RGBX4444: 16 bits per pixel (4 bits per channel) RGB with alpha channel disregarded
SCREEN_FORMAT_RGBA5551: 16 bits per pixel, 2 bytes containing R, G, and B values (5 bits per channel with single-bit alpha channel)
SCREEN_FORMAT_RGBX5551: 16 bits per pixel, 2 bytes containing R, G, and B values (5 bits per channel with single-bit alpha channel disregarded)
SCREEN_FORMAT_RGB565: 16 bits per pixel; uses five bits for red, six bits for green and five bits for blue.; This pixel format represents each pixel in the following order (high byte to low byte): RRRR RGGG GGGB BBBB
SCREEN_FORMAT_RGB888: 24 bits per pixel (8 bits per channel) RGB
SCREEN_FORMAT_RGBA8888: 32 bits per pixel (8 bits per channel) RGB with alpha channel
SCREEN_FORMAT_RGBX8888: 32 bits per pixel (8 bits per channel) RGB with alpha channel disregarded
SCREEN_FORMAT_YVU9: 9 bits per pixel planar YUV format.; 8-bit Y plane and 8-bit 4x4 subsampled U and V planes. Registered by Intel.
SCREEN_FORMAT_YUV420: Standard NTSC TV transmission format.
SCREEN_FORMAT_NV12: 12 bits per pixel planar YUV format.; 8-bit Y plane and 2x2 subsampled, interleaved U and V planes.
SCREEN_FORMAT_YV12: 12 bits per pixel planar YUV format.; 8-bit Y plane and 8-bit 2x2 subsampled U and V planes.
SCREEN_FORMAT_UYVY: 16 bits per pixel packed YUV format.; YUV 4:2:2 - Y sampled at every pixel, U and V sampled at every second pixel horizontally on each line. A macropixel contains 2 pixels in 1 uint32.
SCREEN_FORMAT_YUY2: 16 bits per pixel packed YUV format.; YUV 4:2:2 - as in UYVY, but with different component ordering within the uint32 macropixel.
SCREEN_FORMAT_YVYU: 16 bits per pixel packed YUV format.; YUV 4:2:2 - as in UYVY, but with different component ordering within the uint32 macropixel.
SCREEN_FORMAT_V422: Packed YUV format.; Inverted version of UYVY.
SCREEN_FORMAT_AYUV: Packed YUV format.; Combined YUV and alpha
SCREEN_FORMAT_NV16: 8-bit Y plane; 2x1-subsampled, interleaved U and V planes (Like NV12 but with chroma for each row); this format is associated with the preprocessor definition SCREEN_FORMAT_NV16.
SCREEN_FORMAT_NFORMATS: Number of pixel formats plus 1 (0 is not a valid format).

Library:

libscreen

Description:

Formats with an alpha channel will have source alpha enabled automatically. Applications that want the Screen API to disregard the alpha channel can choose a pixel format with an X.