It's a demo run in ios that can capture camera video and save it as h264 file by using hard encode. The H.264 file save to App Document folder, you can play it with VLC player.

swift写的demo，可以获取ios设备摄像头的视频数据，经过h264硬编码保存为h264文件到document 文件夹下,可以使用VLC播放器播放。