First commit

.gitignore

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+clips/
+.DS_Store

README.md

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+# clip-maker
+
+Simple program to split video file into clips of requested length

go.mod

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+module clip-maker
+
+go 1.20

main.go

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+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+func GetVideoLength(fileName string) (seconds int, err error) {
+	// var path string
+	// path, err = filepath.Abs(fileName)
+	// if err != nil {
+	// 	return
+	// }
+
+	var out []byte
+	out, err = exec.Command("/bin/sh", "-c", fmt.Sprintf("ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 \"%s\"", fileName)).CombinedOutput()
+	if err != nil {
+		return
+	}
+
+	var secondsf float64
+	secondsf, err = strconv.ParseFloat(strings.TrimSuffix(string(out), "\n"), 64)
+	if err != nil {
+		return
+	}
+
+	seconds = int(secondsf)
+
+	return
+}
+
+func ProcessFileName(filename string) string {
+	return strings.TrimSuffix(filepath.Base(filename), ".mkv")
+}
+func main() {
+	filename := flag.String("filename", "", "video to make clips of")
+	clip_length := flag.Int("clip_length", 2, "how long each clip should be")
+	clips_folder := flag.String("clips_folder", "clips", "folder to store clips in")
+	flag.Parse()
+
+	if *filename == "" {
+		log.Fatalln("Please insert video to make clips of")
+	}
+
+	if err := os.MkdirAll(*clips_folder, 0777); err != nil {
+		log.Fatal(err)
+	}
+
+	length, err := GetVideoLength(*filename)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for start := 0; start <= length; start += *clip_length {
+		fmt.Printf("Creating clip for seconds %d to %d\n", start, start+*clip_length)
+		out, err := exec.Command("/bin/sh", "-c", fmt.Sprintf("ffmpeg -ss %d -i \"%s\" -c copy -t %d \"%s/%s seconds %d to %d.mp4\"", start, *filename, clip_length, *clips_folder, ProcessFileName(*filename), start, start+*clip_length)).CombinedOutput()
+		if err != nil {
+			fmt.Print(string(out))
+			log.Fatal(err)
+		}
+	}
+
+}