Support Pixel Formats.m

//
//  main.m
//  SupportedPixelFormats
//
//  Created by Seth Willits on 12/11/17.
//  Copyright © 2017 Araelium Group. All rights reserved.
//

#import <Cocoa/Cocoa.h>
#import <CoreVideo/CoreVideo.h>


void printSupportedFormats()
{
	// As of the 10.13 SDK
	NSDictionary * knownFormats = @{
	  @(kCVPixelFormatType_1Monochrome):                   @"kCVPixelFormatType_1Monochrome",
	  @(kCVPixelFormatType_2Indexed):                      @"kCVPixelFormatType_2Indexed",
	  @(kCVPixelFormatType_4Indexed):                      @"kCVPixelFormatType_4Indexed",
	  @(kCVPixelFormatType_8Indexed):                      @"kCVPixelFormatType_8Indexed",
	  @(kCVPixelFormatType_1IndexedGray_WhiteIsZero):      @"kCVPixelFormatType_1IndexedGray_WhiteIsZero",
	  @(kCVPixelFormatType_2IndexedGray_WhiteIsZero):      @"kCVPixelFormatType_2IndexedGray_WhiteIsZero",
	  @(kCVPixelFormatType_4IndexedGray_WhiteIsZero):      @"kCVPixelFormatType_4IndexedGray_WhiteIsZero",
	  @(kCVPixelFormatType_8IndexedGray_WhiteIsZero):      @"kCVPixelFormatType_8IndexedGray_WhiteIsZero",
	  @(kCVPixelFormatType_16BE555):                       @"kCVPixelFormatType_16BE555",
	  @(kCVPixelFormatType_16LE555):                       @"kCVPixelFormatType_16LE555",
	  @(kCVPixelFormatType_16LE5551):                      @"kCVPixelFormatType_16LE5551",
	  @(kCVPixelFormatType_16BE565):                       @"kCVPixelFormatType_16BE565",
	  @(kCVPixelFormatType_16LE565):                       @"kCVPixelFormatType_16LE565",
	  @(kCVPixelFormatType_24RGB):                         @"kCVPixelFormatType_24RGB",
	  @(kCVPixelFormatType_24BGR):                         @"kCVPixelFormatType_24BGR",
	  @(kCVPixelFormatType_32ARGB):                        @"kCVPixelFormatType_32ARGB",
	  @(kCVPixelFormatType_32BGRA):                        @"kCVPixelFormatType_32BGRA",
	  @(kCVPixelFormatType_32ABGR):                        @"kCVPixelFormatType_32ABGR",
	  @(kCVPixelFormatType_32RGBA):                        @"kCVPixelFormatType_32RGBA",
	  @(kCVPixelFormatType_64ARGB):                        @"kCVPixelFormatType_64ARGB",
	  @(kCVPixelFormatType_48RGB):                         @"kCVPixelFormatType_48RGB",
	  @(kCVPixelFormatType_32AlphaGray):                   @"kCVPixelFormatType_32AlphaGray",
	  @(kCVPixelFormatType_16Gray):                        @"kCVPixelFormatType_16Gray",
	  @(kCVPixelFormatType_30RGB):                         @"kCVPixelFormatType_30RGB",
	  @(kCVPixelFormatType_422YpCbCr8):                    @"kCVPixelFormatType_422YpCbCr8",
	  @(kCVPixelFormatType_4444YpCbCrA8):                  @"kCVPixelFormatType_4444YpCbCrA8",
	  @(kCVPixelFormatType_4444YpCbCrA8R):                 @"kCVPixelFormatType_4444YpCbCrA8R",
	  @(kCVPixelFormatType_4444AYpCbCr8):                  @"kCVPixelFormatType_4444AYpCbCr8",
	  @(kCVPixelFormatType_4444AYpCbCr16):                 @"kCVPixelFormatType_4444AYpCbCr16",
	  @(kCVPixelFormatType_444YpCbCr8):                    @"kCVPixelFormatType_444YpCbCr8",
	  @(kCVPixelFormatType_422YpCbCr16):                   @"kCVPixelFormatType_422YpCbCr16",
	  @(kCVPixelFormatType_422YpCbCr10):                   @"kCVPixelFormatType_422YpCbCr10",
	  @(kCVPixelFormatType_444YpCbCr10):                   @"kCVPixelFormatType_444YpCbCr10",
	  @(kCVPixelFormatType_420YpCbCr8Planar):              @"kCVPixelFormatType_420YpCbCr8Planar",
	  @(kCVPixelFormatType_420YpCbCr8PlanarFullRange):     @"kCVPixelFormatType_420YpCbCr8PlanarFullRange",
	  @(kCVPixelFormatType_422YpCbCr_4A_8BiPlanar):        @"kCVPixelFormatType_422YpCbCr_4A_8BiPlanar",
	  @(kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange):  @"kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange",
	  @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange):   @"kCVPixelFormatType_420YpCbCr8BiPlanarFullRange",
	  @(kCVPixelFormatType_422YpCbCr8_yuvs):               @"kCVPixelFormatType_422YpCbCr8_yuvs",
	  @(kCVPixelFormatType_422YpCbCr8FullRange):           @"kCVPixelFormatType_422YpCbCr8FullRange",
	  @(kCVPixelFormatType_OneComponent8):                 @"kCVPixelFormatType_OneComponent8",
	  @(kCVPixelFormatType_TwoComponent8):                 @"kCVPixelFormatType_TwoComponent8",
	  @(kCVPixelFormatType_30RGBLEPackedWideGamut):        @"kCVPixelFormatType_30RGBLEPackedWideGamut",
	  @(kCVPixelFormatType_ARGB2101010LEPacked):           @"kCVPixelFormatType_ARGB2101010LEPacked",
	  @(kCVPixelFormatType_OneComponent16Half):            @"kCVPixelFormatType_OneComponent16Half",
	  @(kCVPixelFormatType_OneComponent32Float):           @"kCVPixelFormatType_OneComponent32Float",
	  @(kCVPixelFormatType_TwoComponent16Half):            @"kCVPixelFormatType_TwoComponent16Half",
	  @(kCVPixelFormatType_TwoComponent32Float):           @"kCVPixelFormatType_TwoComponent32Float",
	  @(kCVPixelFormatType_64RGBAHalf):                    @"kCVPixelFormatType_64RGBAHalf",
	  @(kCVPixelFormatType_128RGBAFloat):                  @"kCVPixelFormatType_128RGBAFloat",
	  @(kCVPixelFormatType_14Bayer_GRBG):                  @"kCVPixelFormatType_14Bayer_GRBG",
	  @(kCVPixelFormatType_14Bayer_RGGB):                  @"kCVPixelFormatType_14Bayer_RGGB",
	  @(kCVPixelFormatType_14Bayer_BGGR):                  @"kCVPixelFormatType_14Bayer_BGGR",
	  @(kCVPixelFormatType_14Bayer_GBRG):                  @"kCVPixelFormatType_14Bayer_GBRG",
	  @(kCVPixelFormatType_DisparityFloat16):              @"kCVPixelFormatType_DisparityFloat16",
	  @(kCVPixelFormatType_DisparityFloat32):              @"kCVPixelFormatType_DisparityFloat32",
	  @(kCVPixelFormatType_DepthFloat16):                  @"kCVPixelFormatType_DepthFloat16",
	  @(kCVPixelFormatType_DepthFloat32):                  @"kCVPixelFormatType_DepthFloat32",
	  @(kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange): @"kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange",
	  @(kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange): @"kCVPixelFormatType_422YpCbCr10BiPlanarVideoRange",
	  @(kCVPixelFormatType_444YpCbCr10BiPlanarVideoRange): @"kCVPixelFormatType_444YpCbCr10BiPlanarVideoRange",
	  @(kCVPixelFormatType_420YpCbCr10BiPlanarFullRange):  @"kCVPixelFormatType_420YpCbCr10BiPlanarFullRange",
	  @(kCVPixelFormatType_422YpCbCr10BiPlanarFullRange):  @"kCVPixelFormatType_422YpCbCr10BiPlanarFullRange",
	  @(kCVPixelFormatType_444YpCbCr10BiPlanarFullRange):  @"kCVPixelFormatType_444YpCbCr10BiPlanarFullRange",
	};
	
    CFArrayRef pixelFormatDescriptionsArray = NULL;
    CFIndex i;

    pixelFormatDescriptionsArray = CVPixelFormatDescriptionArrayCreateWithAllPixelFormatTypes(kCFAllocatorDefault);

    printf("Core Video Supported Pixel Format Types:\n\n");

    for (i = 0; i < CFArrayGetCount(pixelFormatDescriptionsArray); i++) {
        CFNumberRef pixelFormatFourCC = (CFNumberRef)CFArrayGetValueAtIndex(pixelFormatDescriptionsArray, i);

        if (pixelFormatFourCC != NULL) {
            UInt32 value;
			CFNumberGetValue(pixelFormatFourCC, kCFNumberSInt32Type, &value);
			
			NSString * name = [knownFormats objectForKey:@(value)];
			if (name) {
				printf("%s\n", name.UTF8String);
			} else {
				CFStringRef pixelFormat = NULL;
				
				if (value <= 0x28) {
					pixelFormat = CFStringCreateWithFormat(kCFAllocatorDefault, NULL,
														   CFSTR("Unnamed Format: %d\n"), value);
				} else {
					pixelFormat = CFStringCreateWithFormat(kCFAllocatorDefault, NULL,
														   CFSTR("Unnamed Format: '%c%c%c%c'\n"), (char)(value >> 24), (char)(value >> 16),
														   (char)(value >> 8), (char)value);
				}
				
				CFShow(pixelFormat);
				CFRelease(pixelFormat);
			}
        }
    }
}





int main(int argc, const char * argv[]) {
	@autoreleasepool {
	    printSupportedFormats();
	}
	return 0;
}