Function mergeToFile

mergeToFile(opts: MergeOptions): Promise<void>
Concatenate multiple video/audio files into one using the concat demuxer. This is the fastest method (stream copy by default, no re-encode).
Parameters
- opts: MergeOptions
Returns Promise<void>
Example
```
await mergeToFile({
  inputs: ['part1.mp4', 'part2.mp4', 'part3.mp4'],
  output: 'merged.mp4',
});
```
- Defined in src/helpers/concat.ts:35