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difference between sample buffer

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// old sample buffer

// new sample buffer

CMSampleBuffer 0x116e1c1f0 retainCount: 12 allocator: 0x204c8fec8

▿ Optional<CMSampleBufferRef>

- some : CMSampleBuffer 0x116c1ad00 retainCount: 11 allocator: 0x204c8fec8

invalid = NO

dataReady = YES

makeDataReadyCallback = 0x0

makeDataReadyRefcon = 0x0

buffer-level attachments:

formatDescription = <CMVideoFormatDescription 0x2818a6880 [0x204c8fec8]> {

Orientation(P) = 1

DPIWidth (P) = 72

{Exif} (P) = {

ApertureValue = "1.663754482383346";

BrightnessValue = "2.614977499069267";

ColorSpace = 1;

DateTimeDigitized = "2023:11:22 22:17:20";

DateTimeOriginal = "2023:11:22 22:17:20";

ExifVersion = 0232;

ExposureBiasValue = 0;

ExposureTime = "0.02";

FNumber = "1.78";

Flash = 0;

FocalLenIn35mmFilm = 55;

FocalLength = "6.86";

ISOSpeedRatings = (

125

);

LensMake = Apple;

LensModel = "iPhone 14 Pro back camera 6.86mm f/1.78";

LensSpecification = (

"6.86",

"1.78",

"1.78"

);

MeteringMode = 5;

OffsetTime = "+05:30";

OffsetTimeDigitized = "+05:30";

OffsetTimeOriginal = "+05:30";

PixelXDimension = 1920;

PixelYDimension = 1080;

SceneType = 1;

SensingMethod = 2;

ShutterSpeedValue = "5.643784056825988";

SubsecTimeDigitized = 402;

SubsecTimeOriginal = 402;

WhiteBalance = 0;

}

{TIFF} (P) = {

DateTime = "2023:11:22 22:17:20";

HostComputer = "iPhone 14 Pro";

Make = Apple;

Model = "iPhone 14 Pro";

ResolutionUnit = 2;

Software = "16.6.1";

XResolution = 72;

YResolution = 72;

}

DPIHeight (P) = 72

formatDescription = <CMVideoFormatDescription 0x2818ba760 [0x204c8fec8]> {

mediaType:'vide'

mediaSubType:'420v'

mediaSpecific: {

codecType: '420v' dimensions: 1920 x 1080

codecType: '420v' dimensions: 1080 x 1920

}

extensions: {{

CVBytesPerRow = 2904;

CVBytesPerRow = 1636;

CVImageBufferColorPrimaries = "ITU_R_709_2";

CVImageBufferTransferFunction = "ITU_R_709_2";

CVImageBufferYCbCrMatrix = "ITU_R_709_2";

Version = 2;

}}

}

sbufToTrackReadiness = 0x0

numSamples = 1

outputPTS = {59723766229682/1000000000 = 59723.766}(based on outputPresentationTimeStamp)

outputPTS = {59723766229682/1000000000 = 59723.766}(based on cachedOutputPresentationTimeStamp)

sampleTimingArray[1] = {

{PTS = {59723766229682/1000000000 = 59723.766}, DTS = {INVALID}, duration = {INVALID}},

}

sampleAttachmentsArray[0] = {

imageBuffer = 0x282099130

sample 0:

}

imageBuffer = 0x282080370

已保存差異

原始文本

開啟檔案

// old sample buffer

CMSampleBuffer 0x116e1c1f0 retainCount: 12 allocator: 0x204c8fec8
	invalid = NO
	dataReady = YES
	makeDataReadyCallback = 0x0
	makeDataReadyRefcon = 0x0
	buffer-level attachments:
		Orientation(P) = 1
		DPIWidth  (P) = 72
		{Exif}    (P) = {
    ApertureValue = "1.663754482383346";
    BrightnessValue = "2.614977499069267";
    ColorSpace = 1;
    DateTimeDigitized = "2023:11:22 22:17:20";
    DateTimeOriginal = "2023:11:22 22:17:20";
    ExifVersion = 0232;
    ExposureBiasValue = 0;
    ExposureTime = "0.02";
    FNumber = "1.78";
    Flash = 0;
    FocalLenIn35mmFilm = 55;
    FocalLength = "6.86";
    ISOSpeedRatings =     (
        125
    );
    LensMake = Apple;
    LensModel = "iPhone 14 Pro back camera 6.86mm f/1.78";
    LensSpecification =     (
        "6.86",
        "6.86",
        "1.78",
        "1.78"
    );
    MeteringMode = 5;
    OffsetTime = "+05:30";
    OffsetTimeDigitized = "+05:30";
    OffsetTimeOriginal = "+05:30";
    PixelXDimension = 1920;
    PixelYDimension = 1080;
    SceneType = 1;
    SensingMethod = 2;
    ShutterSpeedValue = "5.643784056825988";
    SubsecTimeDigitized = 402;
    SubsecTimeOriginal = 402;
    WhiteBalance = 0;
}
		{TIFF}    (P) = {
    DateTime = "2023:11:22 22:17:20";
    HostComputer = "iPhone 14 Pro";
    Make = Apple;
    Model = "iPhone 14 Pro";
    ResolutionUnit = 2;
    Software = "16.6.1";
    XResolution = 72;
    YResolution = 72;
}
		DPIHeight (P) = 72
	formatDescription = <CMVideoFormatDescription 0x2818ba760 [0x204c8fec8]> {
	mediaType:'vide' 
	mediaSubType:'420v' 
	mediaSpecific: {
		codecType: '420v'		dimensions: 1920 x 1080 
	} 
	extensions: {{
    CVBytesPerRow = 2904;
    CVImageBufferColorPrimaries = "ITU_R_709_2";
    CVImageBufferTransferFunction = "ITU_R_709_2";
    CVImageBufferYCbCrMatrix = "ITU_R_709_2";
    Version = 2;
}}
}
	sbufToTrackReadiness = 0x0
	numSamples = 1
	outputPTS = {59723766229682/1000000000 = 59723.766}(based on outputPresentationTimeStamp)
	sampleTimingArray[1] = {
		{PTS = {59723766229682/1000000000 = 59723.766}, DTS = {INVALID}, duration = {INVALID}},
	}
	sampleAttachmentsArray[0] = {
		sample 0:
	}
	imageBuffer = 0x282080370

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