objc2_video_toolbox

Function VTHDRPerFrameMetadataGenerationSessionCreate

Source 
pub unsafe extern "C-unwind" fn VTHDRPerFrameMetadataGenerationSessionCreate(
    allocator: Option<&CFAllocator>,
    frames_per_second: c_float,
    options: Option<&CFDictionary>,
    hdr_per_frame_metadata_generation_session_out: NonNull<*mut VTHDRPerFrameMetadataGenerationSession>,
) -> i32
Available on crate feature VTHDRPerFrameMetadataGenerationSession only.
Expand description

Creates a VTHDRPerFrameMetadataGenerationSession object.

The returned VTHDRPerFrameMetadataGenerationSession object may be used to perform HDR Per Frame Metadata Generation Call CFRelease to release your object reference.

Parameter framesPerSecond: Value must be greater than 0.0

Parameter options: CFDictionary may contain the key kVTHDRPerFrameMetadataGenerationOptionsHDRFormatsKey.