/*
Copyright © 2024 Matteo Schiff <matteo@underdesk.net>

*/

package video

import (
	"os"

	ffmpeg "github.com/u2takey/ffmpeg-go"
)

func ExtractVideo(videoFile string, audioFile string) {
	if _, err := os.Stat(audioFile); err == nil {
		// Audio already extracted, skip this step
		return
	}

	// Use ffmpeg-go to extract audio at 16 kHz
	ffmpeg.
		Input(videoFile).
		Output(audioFile, ffmpeg.KwArgs{
			"ar": 16000, // Set audio sampling rate to 16 kHz
			"ac": 1,     // Set the number of audio channels to 1 (mono)
			//"f":                "segment", // Enable segmenting
			//"segment_time":     600,       // Split files every 600 seconds (10 minutes)
			//"reset_timestamps": 1,         // Reset timestamps in each segment
		}).
		OverWriteOutput(). // Overwrite if the output file already exists
		Run()
}