avfoundation

英文: How to convert points from one device to another device 问题 Device 1 Device 1正在向设备2传输视频流。当我在视频容器视...

英文: Load AVAsset video in the background and replace playing placeholder video once it's playabl...

英文: Change Audio input programmatically doesn't change Audio engine input AVFoundation 问题 我试图在所有...

英文: AVCaptureDevice.DiscoverySession().devices not returning any devices 问题 以下是您提供的Swift代码的翻译部分： let...

英文: Choose specific input channel as a mono input from USB device in AVAudioSession/AVAudioEngine 问题...

英文: Error convertig mp3 to aac audio with AVFoundation 问题 抱歉，但由于您的请求，我只会提供代码的翻译部分，不会提供其他内容或回答问题。以下是您...

英文: Swift. frequency of sound got from vDSP.DCT output differs from iPhone and iPad 问题 我试图找出由麦克风捕捉的声...

英文: How to render a video file of fixed length from a still image (png) 问题 我正在尝试从一张静态图像（png）创建一个指定长度...