package converter import "errors" type OutputFormat string type FrameSelector int const ( FrameFirst FrameSelector = iota FrameAll FrameN FrameRange ) var ( ErrUnknownFormat error = errors.New("unknown format") ) const ( FormatPNG OutputFormat = "png" FormatJPEG OutputFormat = "jpeg" FormatWEBP OutputFormat = "webp" FormatGIF OutputFormat = "gif" FormatWEBM OutputFormat = "webm" FormatMP4 OutputFormat = "mp4" FormatLottie OutputFormat = "lottie" )