feat: package name; more params

README.md

@@ -14,4 +14,50 @@ ncmdump test1.ncm test2.ncm...
 ncmdump -d Music
 ```
 
-注意：网易云音乐从 3.0 版本开始不再在 ncm 文件中嵌入封面图片，本工具支持从网易服务器上自动下载对应歌曲的封面图并写入到最终的音乐文件中
+注意：网易云音乐从 3.0 版本开始不再在 ncm 文件中嵌入封面图片，本工具支持从网易服务器上自动下载对应歌曲的封面图并写入到最终的音乐文件中
+
+## 开发
+
+使用 go module 下载 ncmdump-go 包
+
+```shell
+go get -u github.com/taurusxin/ncmdump-go
+```
+
+导入并使用
+
+```go
+package main
+
+import (
+	"fmt"
+	"github.com/taurusxin/ncmdump-go/ncmcrypt"
+)
+
+func main() {
+	filePath := "test.ncm"
+	
+	// 创建实例
+	ncm, err := ncmcrypt.NewNeteaseCloudMusic(filePath)
+	if err != nil {
+		fmt.Printf("Reading '%s' failed: '%s'\n", filePath, err.Error())
+		return
+	}
+	
+	// 转换格式，若目标文件夹为空，则保存在原目录
+	dumpResult, err := ncm.Dump("")
+	if err != nil {
+		fmt.Printf("Processing '%s' failed: '%s'\n", filePath, err.Error())
+	}
+	if dumpResult {
+		// 使用源文件的元数据修补转换后的音乐文件
+		// 注意：自网易云音乐 3.0 版本开始，ncm 文件中不再内嵌专辑封面图片，参数若为 true 则表示从网易服务器上下载图片并嵌入到目标音乐文件（需要联网）
+		metadata, err := ncm.FixMetadata(true)
+		if !metadata {
+			fmt.Printf("Fix metadata for '%s' failed: '%s'", filePath, err.Error())
+		}
+		fmt.Printf("'%s' -> '%s'\n", filePath, ncm.GetDumpFilePath())
+	}
+}
+```
+

go.mod

@@ -1,13 +1,18 @@
-module ncmdump
+module github.com/taurusxin/ncmdump-go
 
 go 1.23.0
 
 require github.com/tidwall/gjson v1.17.3
-require	github.com/go-flac/go-flac v1.0.0
+
-require	github.com/spf13/pflag v1.0.5
+require github.com/go-flac/go-flac v1.0.0
-require	github.com/bogem/id3v2/v2 v2.1.4
+
-require	github.com/go-flac/flacpicture v0.3.0
+require github.com/spf13/pflag v1.0.5
-require	github.com/TwiN/go-color v1.4.1
+
+require github.com/bogem/id3v2/v2 v2.1.4
+
+require github.com/go-flac/flacpicture v0.3.0
+
+require github.com/TwiN/go-color v1.4.1
 
 require (
 	github.com/tidwall/match v1.1.1 // indirect

go.sum

@@ -2,14 +2,10 @@ github.com/TwiN/go-color v1.4.1 h1:mqG0P/KBgHKVqmtL5ye7K0/Gr4l6hTksPgTgMk3mUzc=
 github.com/TwiN/go-color v1.4.1/go.mod h1:WcPf/jtiW95WBIsEeY1Lc/b8aaWoiqQpu5cf8WFxu+s=
 github.com/bogem/id3v2/v2 v2.1.4 h1:CEwe+lS2p6dd9UZRlPc1zbFNIha2mb2qzT1cCEoNWoI=
 github.com/bogem/id3v2/v2 v2.1.4/go.mod h1:l+gR8MZ6rc9ryPTPkX77smS5Me/36gxkMgDayZ9G1vY=
-github.com/frolovo22/tag v0.0.2 h1:gFv5P5nqE7purEipbKT7X/OjP286nx5gA30mjt/4SgA=
-github.com/frolovo22/tag v0.0.2/go.mod h1:Bt1H06v6RQFTrplGixhtUXVzHA/RpmhGEVxC7wqWGIw=
 github.com/go-flac/flacpicture v0.3.0 h1:LkmTxzFLIynwfhHiZsX0s8xcr3/u33MzvV89u+zOT8I=
 github.com/go-flac/flacpicture v0.3.0/go.mod h1:DPbrzVYQ3fJcvSgLFp9HXIrEQEdfdk/+m0nQCzwodZI=
 github.com/go-flac/go-flac v1.0.0 h1:6qI9XOVLcO50xpzm3nXvO31BgDgHhnr/p/rER/K/doY=
 github.com/go-flac/go-flac v1.0.0/go.mod h1:WnZhcpmq4u1UdZMNn9LYSoASpWOCMOoxXxcWEHSzkW8=
-github.com/go-flac/go-flac/v2 v2.0.1 h1:1zilNkbmmpK9DLsz2NbjLHG8avOmthYqUfVc9YKB/Ps=
-github.com/go-flac/go-flac/v2 v2.0.1/go.mod h1:hvgeR2hElLbwk0Q1/vMazIDmIc2LAFSd9Bx/Fk6ViKo=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/tidwall/gjson v1.17.3 h1:bwWLZU7icoKRG+C+0PNwIKC6FCJO/Q3p2pZvuP0jN94=

main.go

@@ -2,8 +2,8 @@ package main
 
 import (
 	"fmt"
-	"ncmdump/ncmcrypt"
+	"github.com/taurusxin/ncmdump-go/ncmcrypt"
-	"ncmdump/utils"
+	"github.com/taurusxin/ncmdump-go/utils"
 	"os"
 	"path/filepath"
 
@@ -22,7 +22,7 @@ func processFile(filePath string) error {
 		return err
 	}
 	if dump {
-		metadata, err := currentFile.FixMetadata()
+		metadata, err := currentFile.FixMetadata(true)
 		if !metadata {
 			utils.WarningPrintfln("Fix metadata for '%s' failed: '%s'", filePath, err.Error())
 			return err

ncmcrypt/ncmcrypt.go

@@ -8,8 +8,8 @@ import (
 	"github.com/bogem/id3v2/v2"
 	"github.com/go-flac/flacpicture"
 	"github.com/go-flac/go-flac"
+	"github.com/taurusxin/ncmdump-go/utils"
 	"io"
-	"ncmdump/utils"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -157,7 +157,23 @@ func (ncm *NeteaseCloudMusic) Dump(targetDir string) (bool, error) {
 	return true, nil
 }
 
-func (ncm *NeteaseCloudMusic) FixMetadata() (bool, error) {
+func (ncm *NeteaseCloudMusic) FixMetadata(fetchAlbumImageFromRemote bool) (bool, error) {
+	if fetchAlbumImageFromRemote {
+		// get the album pic from url
+		resp, err := http.Get(ncm.mAlbumPicUrl)
+		if err != nil {
+			return false, err
+		}
+		if resp != nil {
+			if resp.StatusCode == http.StatusOK {
+				bodyBytes, err := io.ReadAll(resp.Body)
+				if err != nil {
+					return false, err
+				}
+				ncm.mImageData = bodyBytes
+			}
+		}
+	}
 	if ncm.mFormat == Mp3 {
 		audioFile, err := id3v2.Open(ncm.mDumpFilePath, id3v2.Options{Parse: true})
 		if err != nil {
@@ -323,19 +339,6 @@ func NewNeteaseCloudMusic(filePath string) (*NeteaseCloudMusic, error) {
 
 	if coverFrameDataLen > 0 {
 		ncm.read(&ncm.mImageData, coverFrameDataLen)
-	} else {
-		// get the album pic from url
-		resp, err := http.Get(ncm.mAlbumPicUrl)
-		if err != nil {
-		}
-		if resp != nil {
-			if resp.StatusCode == http.StatusOK {
-				bodyBytes, err := io.ReadAll(resp.Body)
-				if err != nil {
-				}
-				ncm.mImageData = bodyBytes
-			}
-		}
 	}
 
 	ncm.mFileStream.Seek(int64(coverFrameLenInt)-int64(coverFrameDataLen), 1)