BradLarson / GPUImage

An open source iOS framework for GPU-based image and video processing
http://www.sunsetlakesoftware.com/2012/02/12/introducing-gpuimage-framework
BSD 3-Clause "New" or "Revised" License
20.21k stars 4.61k forks source link

GPUImageMovieWriter: combine live audio recording with GPUImageMovie #2526

Open Cloov opened 6 years ago

Cloov commented 6 years ago

Hi,

Is there a way to use the movie writer to write a video from a live recording, but only an audio recording, while adding other targets to the movie writer, such as an original movie file?

The end result, ideally, is a video that has audio, modified to have a user's audio over the top (and synchronised with the original audio as closely as possible).

I guess it could be possible to use GPUImageVideoCamera and record video and audio, while writing a video that also has an input from a movie file, but that means the user will have to agree to give the app access to record them visually, which isn't acceptable.

Thanks