video-toolbox-sys 0.2.0

FFI bindings and helpers for Apple VideoToolbox framework
Documentation 
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use core_foundation_sys::array::CFArrayRef;
use core_foundation_sys::base::{Boolean, CFTypeRef, OSStatus};
use core_foundation_sys::dictionary::CFDictionaryRef;
use core_foundation_sys::string::CFStringRef;
use core_media_sys::CMVideoCodecType;

use crate::cv_types::CVPixelBufferRef;

pub type CGImageRef = CFTypeRef;

#[link(name = "VideoToolBox", kind = "framework")]
extern "C" {

    pub fn VTRegisterProfessionalVideoWorkflowVideoDecoders();
    pub fn VTRegisterProfessionalVideoWorkflowVideoEncoders();

    pub fn VTCreateCGImageFromCVPixelBuffer(
        pixelBuffer: CVPixelBufferRef,
        options: CFDictionaryRef,
        imageOut: *mut CGImageRef,
    ) -> OSStatus;

    pub static kVTVideoEncoderList_CodecType: CFStringRef;
    pub static kVTVideoEncoderList_EncoderID: CFStringRef;

    pub static kVTVideoEncoderList_CodecName: CFStringRef;
    pub static kVTVideoEncoderList_EncoderName: CFStringRef;
    pub static kVTVideoEncoderList_DisplayName: CFStringRef;

    pub fn VTCopyVideoEncoderList(
        options: CFDictionaryRef,
        listOfVideoEncodersOut: *mut CFArrayRef,
    ) -> OSStatus;
    pub fn VTCopySupportedPropertyDictionaryForEncoder(
        width: i32,
        height: i32,
        codecType: CMVideoCodecType,
        encoderSpecification: CFDictionaryRef,
        outEncoderID: *mut CFStringRef,
        outSupportedProperties: *mut CFDictionaryRef,
    ) -> OSStatus;
    pub fn VTIsHardwareDecodeSupported(codecType: CMVideoCodecType) -> Boolean;
}