objc2_core_video

Function CVPixelBufferLockBaseAddress

Source 
pub unsafe extern "C-unwind" fn CVPixelBufferLockBaseAddress(
    pixel_buffer: &CVPixelBuffer,
    lock_flags: CVPixelBufferLockFlags,
) -> CVReturn
Available on crate features CVBase and CVBuffer and CVImageBuffer and CVReturn and CVPixelBuffer only.
Expand description

Description Locks the BaseAddress of the PixelBuffer to ensure that the memory is accessible.

This API ensures that the CVPixelBuffer is accessible in system memory. This should only be called if the base address is going to be used and the pixel data will be accessed by the CPU.

Parameter pixelBuffer: Target PixelBuffer.

Parameter lockFlags: See CVPixelBufferLockFlags.

Returns: kCVReturnSuccess if the lock succeeded, or error code on failure