Finished the transcoding job

adept.go

@@ -17,7 +17,7 @@ func main() {
     // archive file
     r.ArchiveFile(i.Name())
     // transcode file
-    // TODO - t.Transcode(i.Name())
+    transcoder.Transcode(i.Name())
     // clean up source file
     r.CleanupFile(i.Name())
   }

transcoder/transcoder.go

@@ -0,0 +1,36 @@
+package transcoder
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/spf13/viper"
+)
+
+func Transcode(inFile string) {
+	// create ingest and archive paths
+  ingestPath := filepath.Join(viper.GetString("transcoder.repository"), "ingest", inFile)
+  outputPath := filepath.Join(viper.GetString("transcoder.repository"), "output", inFile)
+
+  log.Printf("Transcoding video file %s.", ingestPath)
+
+	cmd := exec.Command("/usr/bin/ffmpeg", 
+		"-i", ingestPath, 
+		"-y",
+		"-f", viper.GetString("transcoder.video_format"),
+    "-c:v", viper.GetString("transcoder.video_codec"),
+    "-s", viper.GetString("transcoder.video_resolution"),
+    "-r", viper.GetString("transcoder.video_framerate"),
+    "-vf", fmt.Sprintf("format=%s", viper.GetString("transcoder.video_color")),
+    "-profile:v", viper.GetString("transcoder.video_profile"),
+    "-c:a", viper.GetString("transcoder.audio_codec"),
+    outputPath)
+
+  if err := cmd.Run(); err != nil {
+		log.Fatalf("Error while transcoding: %s.", err)
+    os.Exit(1)
+	}
+}