func (m MP3CBROptions) FFmpegCodec() string {
	return FFmpegMP3Codec
}
FFmpegCodec returns the codec used by ffmpeg
package transcode
const mp3Codec = "MP3"
const mp3Ext = "mp3"
const mp3MIMEType = "audio/mpeg"
type MP3CBROptions struct {
	quality string
}
func (m MP3CBROptions) Codec() string {
	return mp3Codec
}
func (m MP3CBROptions) Ext() string {
	return mp3Ext
}
func (m MP3CBROptions) FFmpegFlags() string {
	return "-ab"
}