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fragment float4 capturedImageFragmentShader(ImageColorInOut in [[stage_in]],
texture2d<float, access::sample> capturedImageTextureY [[ texture(kTextureIndexY) ]],
texture2d<float, access::sample> capturedImageTextureCbCr [[ texture(kTextureIndexCbCr) ]]) {
constexpr sampler colorSampler(mip_filter::linear,
mag_filter::linear,
min_filter::linear);
const float4x4 ycbcrToRGBTransform = float4x4(
float4(+1.0000f, +1.0000f, +1.0000f, +0.0000f),
@codelynx
codelynx / MTLTexture+Z.swift
Created December 28, 2016 14:58
Piece of Utility code to make CGImage from MTLTexture under (BGRA8Unorm)
//
// MTLTexture+Z.swift
// ZKit
//
// The MIT License (MIT)
//
// Copyright (c) 2016 Electricwoods LLC, Kaz Yoshikawa.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
exec > /tmp/${PROJECT_NAME}_archive.log 2>&1
UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal
if [ "true" == ${ALREADYINVOKED:-false} ]
then
echo "RECURSION: Detected, stopping"
else
export ALREADYINVOKED="true"
@simonkim
simonkim / CMBlockBufferHelper.swift
Created September 6, 2016 15:12
Sample code for creating NSData backed CMBlockBuffer using customBlockAllocator, in Swift.
//
// CMBlockBufferHelper.swift
//
// Created by Simon Kim on 2016. 9. 6..
// Copyright © 2016년 DZPub.com. All rights reserved.
//
import Foundation
import CoreMedia
/**
@CanTheAlmighty
CanTheAlmighty / DisplayLink.swift
Last active May 7, 2025 05:33
DisplayLink for OSX
@FredrikSjoberg
FredrikSjoberg / RGBtoHSV.swift
Last active February 15, 2025 08:08
Color space conversion between RGB and HSV
// https://www.cs.rit.edu/~ncs/color/t_convert.html
struct RGB {
// Percent
let r: Float // [0,1]
let g: Float // [0,1]
let b: Float // [0,1]
static func hsv(r: Float, g: Float, b: Float) -> HSV {
let min = r < g ? (r < b ? r : b) : (g < b ? g : b)
let max = r > g ? (r > b ? r : b) : (g > b ? g : b)
@Nyx0uf
Nyx0uf / NYXAVCEncoder.swift
Created February 3, 2016 10:35
Hardware accelerated GIF to MP4 converter in Swift using VideoToolbox
import VideoToolbox
import AVFoundation
private var __canHWAVC: Bool = false
private var __tokenHWAVC: dispatch_once_t = 0
public protocol NYXAVCEncoderDelegate : class
{
func didEncodeFrame(frame: CMSampleBuffer)
func didFailToEncodeFrame()
@tadast
tadast / ssl_puma.sh
Last active January 21, 2025 16:20 — forked from trcarden/gist:3295935
localhost SSL with puma
# 1) Create your private key (any password will do, we remove it below)
$ cd ~/.ssh
$ openssl genrsa -des3 -out server.orig.key 2048
# 2) Remove the password
$ openssl rsa -in server.orig.key -out server.key
@soffes
soffes / GPUImageTextureInput+CIImage.h
Last active July 7, 2024 08:51
GPUImage + Core Image
//
// GPUImageTextureInput+CIImage.h
// GPUImage
//
// Created by Sam Soffes on 3/4/14.
// Copyright (c) 2014 Sam Soffes. All rights reserved.
//
#import "GPUImageTextureInput.h"
@andrewmichaelson
andrewmichaelson / PSPDFUIKitMainThreadGuard.m
Last active March 15, 2016 09:36 — forked from steipete/PSPDFUIKitMainThreadGuard.m
Modified to work with AppKit on OS X instead of UIKit on iOS.
// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2013 Peter Steinberger. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.
#import <objc/runtime.h>
#import <objc/message.h>
#import <Foundation/Foundation.h>