def transcode(self, input_filename, output_filename, options=None): args = build_ffmpeg_args(input_filename, output_filename) self.exec_ffmpeg(args)
def get_metadata(self, input_filename): args = build_ffmpeg_args(input_filename) (child_stdout, child_stderr) = self.exec_ffmpeg(args) return parse_ffmpeg_metadata(child_stderr)