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transmuxer.go
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/
transmuxer.go
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package transmuxer
import (
"log"
"os"
"os/exec"
"path/filepath"
"github.com/AlexKLWS/youtube-audio-stream/config"
"github.com/AlexKLWS/youtube-audio-stream/consts"
"github.com/AlexKLWS/youtube-audio-stream/files"
"github.com/spf13/viper"
"golang.org/x/exp/errors/fmt"
)
type Transmuxer struct {
arguments []string
sourceFilePath string
outputDir string
}
func New(outputDir string, sourceFilePath string) *Transmuxer {
return &Transmuxer{outputDir: outputDir, sourceFilePath: sourceFilePath}
}
func (t *Transmuxer) ConvertVideo() error {
outputPath := filepath.Join(viper.GetString(consts.OutputDir), t.outputDir)
if _, err := os.Stat(outputPath); os.IsNotExist(err) {
if err2 := os.Mkdir(outputPath, os.ModePerm); err2 != nil {
log.Print(err2)
return err2
}
}
args := append([]string{"-i", t.sourceFilePath}, config.TransmuxerDefaults...)
segmentOutputFilename := fmt.Sprintf("%s/%s/out%%03d.ts", viper.GetString(consts.OutputDir), t.outputDir)
args = append(args, segmentOutputFilename)
playlistOutputFilename := fmt.Sprintf("%s/%s/out.m3u8", viper.GetString(consts.OutputDir), t.outputDir)
args = append(args, playlistOutputFilename)
cmd := exec.Command("ffmpeg", args...)
err := cmd.Run()
if err != nil {
log.Print(err)
return err
}
err = files.CreateCompletionMarker(outputPath)
return err
}