Piping input AND output of ffmpeg in python

Question

I\'m using ffmpeg to create a video, from a list of base64 encoded images that I pipe into ffmpeg.

Outputting to a file (using the attached cod

Answer 1

FFmpeg guesses the output muxer by checking the output extension. With a pipe, that doesn't exist, so it has to be expressly set. Add '-f', 'image2pipe' just before output.

Answer 2

Try to add the following command after your sp.Popen :

output, _ = pipe.communicate()

I think you need to communicate it with the opened process. After that you can print it to make sure it worked :

print(_)