rgcottrell

// This sketches a script that will sample images from an AVAsset at a
// new framerate. This might be used to transcode a movie or create an
// animated GIF.

import AppKit
import AVFoundation
import CoreMedia

let FPS = 12 // The target framerate for the new movie.
let frameDuration = CMTimeMake(1, Int32(FPS))

rgcottrell

import AVFoundation
import Foundation

// The maximum number of audio buffers in flight. Setting to two allows one
// buffer to be played while the next is being written.
private let kInFlightAudioBuffers: Int = 2

// The number of audio samples per buffer. A lower value reduces latency for
// changes but requires more processing but increases the risk of being unable
// to fill the buffers in time. A setting of 1024 represents about 23ms of

rgcottrell

// NOTE: @schwa figured this out, but I'm claiming some of the credit for asking the question.
// See https://gist.github.com/schwa/ecd5f8c154e60fcb0f58 for the original solution.

// Playground - noun: a place where people can play

import Foundation

// Implementation (repeat as needed for number of parameters).

func unwrap<T1, T2>(p1: T1?, p2: T2?) -> (T1, T2)? {

rgcottrell

class Singleton {
    class var sharedInstance: Singleton {
        struct Static {
            static var token: dispatch_once_t = 0
            static var instance: Singleton!
        }
        dispatch_once(&Static.token) {
            Static.instance = Singleton()
        }
        return Static.instance

rgcottrell

#include <iostream>
#include <thread>

int main(int argc, const char * argv[])
{
    std::thread t([]{
        std::cout << "Hello, Lambda!" << std::endl;
    });
    t.join();