Scroll to navigation

SDL_AcquireVideoCaptureFrame(3) SDL3 FUNCTIONS SDL_AcquireVideoCaptureFrame(3)

NAME

SDL_AcquireVideoCaptureFrame - Acquire a frame.

SYNOPSIS

#include "SDL3/SDL.h"
int SDL_AcquireVideoCaptureFrame(SDL_VideoCaptureDevice *device, SDL_VideoCaptureFrame *frame);

DESCRIPTION

The frame is a memory pointer to the image data, whose size and format are given by the the obtained spec.

Non blocking API. If there is a frame available, frame->num_planes is non 0. If frame->num_planes is 0 and returned code is 0, there is no frame at that time.

After used, the frame should be released with

SDL_ReleaseVideoCaptureFrame

FUNCTION PARAMETERS

opened video capture device
pointer to get the frame

RETURN VALUE

Returns 0 on success or a negative error code on failure; call

SDL_GetError () for more information.

AVAILABILITY

This function is available since SDL 3.0.0.

SEE ALSO

SDL_ReleaseVideoCaptureFrame(3)

SDL 3.0.0 SDL