iPhone Watermark on recorded Video.
问题 In my Application I need to capture a video and Put a watermark on that video. The watermark should be Text(Time and Notes). I saw a code using \"QTKit\" Frame work. However I read that the framework is not available for iPhone. Thanks in Advance. 回答1: Use AVFoundation . I would suggest grabbing frames with AVCaptureVideoDataOutput , then overlaying the captured frame with the watermark image, and finally writing captured and processed frames to a file user AVAssetWriter . Search around stack