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<cahute/picture.h> – Picture format related utilities for Cahute

Macro definitions

CAHUTE_PICTURE_FORMAT_* are constants representing how a given picture’s data is encoded.

CAHUTE_PICTURE_FORMAT_1BIT_MONO

Constant representing the 1bpp monochrome picture format.

CAHUTE_PICTURE_FORMAT_1BIT_MONO_CAS50

Constant representing the 1bpp monochrome picture format with CAS50 order.

CAHUTE_PICTURE_FORMAT_1BIT_DUAL

Constant representing the Dual 1bpp gray picture format.

CAHUTE_PICTURE_FORMAT_1BIT_TRIPLE_CAS50

Constant representing the Multiple 1bpp picture format with CAS50 order and palette prefix.

CAHUTE_PICTURE_FORMAT_4BIT_RGB_PACKED

Constant representing the 4bpp packed RGB picture format.

CAHUTE_PICTURE_FORMAT_16BIT_R5G6B5

Constant representing the R5G6B5 picture format.

CAHUTE_PICTURE_FORMAT_32BIT_ARGB_HOST

Constant representing the 32bpp ARGB picture format using host endianness.

Type definitions

struct cahute_frame

Screenstreaming frame details for screenstreaming.

int cahute_frame_width

Width of the frame, in pixels.

int cahute_frame_height

Height of the frame, in pixels.

int cahute_frame_format

Format of the frame, as a CAHUTE_PICTURE_FORMAT_* constant. See <cahute/picture.h> – Picture format related utilities for Cahute for more information.

cahute_u8 const *cahute_frame_data

Frame contents encoded with the format described above.

Function declarations

int cahute_convert_picture(cahute_context *context, void *dest, int dest_format, void const *src, int src_format, int width, int height)

Convert picture data from a source to a destination format.

Parameters:

• context – Context in which to run the function.

• dest – Destination picture data.

• dest_format – Format to write picture data in on the destination.

• src – Source picture data.

• src_format – Format of the source picture data.

• width – Picture width.

• height – Picture height.

Returns:

Error, or 0 if the operation was successful.

int cahute_convert_picture_from_frame(cahute_context *context, void *dest, int dest_format, cahute_frame const *frame)

Convert picture data from a frame to a destination format.

Parameters:

• context – Context in which to run the function.

• dest – Destination picture data.

• dest_format – Format to write picture data in on the destination.

• frame – Frame to get source picture data and metadata from.

Returns:

Error, or 0 if the operation was successful.