60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package utils
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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)
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func runMergeCmd(cmd *exec.Cmd, paths []string, mergeFilePath string) error {
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var stderr bytes.Buffer
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cmd.Stderr = &stderr
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err := cmd.Run()
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if err != nil {
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return fmt.Errorf("%s\n%s", err, stderr.String())
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}
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if mergeFilePath != "" {
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os.Remove(mergeFilePath)
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}
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// remove parts
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for _, path := range paths {
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os.Remove(path)
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}
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return nil
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}
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// MergeAudioAndVideo merge audio and video
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func MergeAudioAndVideo(paths []string, mergedFilePath string) error {
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cmds := []string{
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"-y",
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}
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for _, path := range paths {
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cmds = append(cmds, "-i", path)
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}
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cmds = append(
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cmds, "-c:v", "copy", "-c:a", "aac", "-strict", "experimental",
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mergedFilePath,
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)
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return runMergeCmd(exec.Command("ffmpeg", cmds...), paths, "")
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}
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// MergeToMP4 merge video parts to MP4
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func MergeToMP4(paths []string, mergedFilePath string, filename string) error {
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mergeFilePath := filename + ".txt" // merge list file should be in the current directory
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// write ffmpeg input file list
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mergeFile, _ := os.Create(mergeFilePath)
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for _, path := range paths {
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mergeFile.Write([]byte(fmt.Sprintf("file '%s'\n", path)))
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}
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mergeFile.Close()
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cmd := exec.Command(
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"ffmpeg", "-y", "-f", "concat", "-safe", "-1",
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"-i", mergeFilePath, "-c", "copy", "-bsf:a", "aac_adtstoasc", mergedFilePath,
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)
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return runMergeCmd(cmd, paths, mergeFilePath)
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}
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