Function rsmpeg::ffi::av_hwdevice_ctx_alloc

pub unsafe extern "C" fn av_hwdevice_ctx_alloc(type_: u32) -> *mut AVBufferRef

Allocate an AVHWDeviceContext for a given hardware type.

@param type the type of the hardware device to allocate. @return a reference to the newly created AVHWDeviceContext on success or NULL on failure.