Init

util/av/remux.go

@@ -0,0 +1,35 @@
+package av
+
+import (
+	"fmt"
+	"os"
+
+	ffmpeg "github.com/u2takey/ffmpeg-go"
+)
+
+func RemuxFile(
+	inputFile string,
+) error {
+	tempFileName := inputFile + ".temp"
+	outputFile := inputFile
+	err := os.Rename(inputFile, tempFileName)
+	if err != nil {
+		return fmt.Errorf("failed to rename file: %v", err)
+	}
+	err = ffmpeg.
+		Input(tempFileName).
+		Output(outputFile, ffmpeg.KwArgs{
+			"c": "copy",
+		}).
+		Silent(true).
+		OverWriteOutput().
+		Run()
+	if err != nil {
+		return fmt.Errorf("failed to remux file: %v", err)
+	}
+	err = os.Remove(tempFileName)
+	if err != nil {
+		return fmt.Errorf("failed to remove temp file: %v", err)
+	}
+	return nil
+}