Rewriting image Rendering

Now individual parsing of mp3, flac files is done.
and then they are rendered

imageUtils.go

@@ -3,61 +3,102 @@ package main
 import (
 	"image"
 	"os"
+	"strings"
 
-	"github.com/dhowden/tag"
+	"github.com/bogem/id3v2"
+	"github.com/mewkiz/flac"
+	"github.com/mewkiz/flac/meta"
 	"github.com/nfnt/resize"
 	"github.com/spf13/viper"
 )
 
-/*
-	Gets the Image Path from the uri to the string passed
-	if embedded image is found the path to that Image is returned else
-	path to default image is sent.
-*/
-func getAlbumArt(uri string) string {
-	var path string = viper.GetString("DEFAULT_IMAGE_PATH")
-	f, err := os.Open(uri)
+func GetMp3Image(songPath, imagePath string) string {
+	tag, err := id3v2.Open(songPath, id3v2.Options{Parse: true})
 	if err != nil {
-		panic(err)
+		return ""
 	}
-	m, err := tag.ReadFrom(f)
+	defer tag.Close()
 	if err != nil {
-		panic(err)
+		return ""
 	}
-	albumCover := m.Picture()
-	if albumCover != nil {
-		b, err := os.Create(viper.GetString("COVER_IMAGE_PATH"))
-		if err != nil {
-			panic(err)
+	// Read tags.
+	Frames := tag.GetFrames(tag.CommonID("Attached picture"))
+	var ImageData []byte
+	for _, er := range Frames {
+		pic, ok := er.(id3v2.PictureFrame)
+		if ok {
+			for _, i := range pic.Picture {
+				ImageData = append(ImageData, byte(i))
+			}
+			imageHandler, err := os.Create(imagePath)
+			if err != nil {
+				return ""
+			} else {
+				imageHandler.Write(ImageData)
+				return imagePath
+			}
 		}
-		defer b.Close()
-		b.Write(albumCover.Data)
-		path = viper.GetString("COVER_IMAGE_PATH")
-		b.Close()
 	}
-	f.Close()
-	return path
+	return ""
+}
+
+func GetFlacImage(songPath, imagePath string) string {
+	stream, err := flac.ParseFile(songPath)
+	if err != nil {
+		return ""
+	}
+	defer stream.Close()
+	for _, block := range stream.Blocks {
+		if block.Type == meta.TypePicture {
+			pic := block.Body.(*meta.Picture)
+			if pic.Type == 3 {
+				imageHandler, err := os.Create(imagePath)
+				if err != nil {
+					return ""
+				}
+				imageHandler.Write(pic.Data)
+				return imagePath
+			}
+		}
+	}
+	return ""
+}
+
+func extractImageFromFile(uri string) string {
+	if strings.HasSuffix(uri, ".mp3") {
+		imagePath := GetMp3Image(uri, viper.GetString("COVER_IMAGE_PATH"))
+		if imagePath == "" {
+			return viper.GetString("DEFAULT_IMAGE_PATH")
+		} else {
+			return imagePath
+		}
+	} else if strings.HasSuffix(uri, ".flac") {
+		imagePath := GetFlacImage(uri, viper.GetString("COVER_IMAGE_PATH"))
+		if imagePath == "" {
+			return viper.GetString("DEFAULT_IMAGE_PATH")
+		} else {
+			return imagePath
+		}
+	} else {
+		return viper.GetString("DEFAULT_IMAGE_PATH")
+	}
 }
 
 func getImg(uri string) (image.Image, error) {
-
 	f, err := os.Open(uri)
 	if err != nil {
 		return nil, err
 	}
 	defer f.Close()
-
 	img, _, err := image.Decode(f)
 	if err != nil {
 		return nil, err
 	}
-
 	fw, fh := getFontWidth()
 	img = resize.Resize(
 		uint(float32(IMG_W)*(fw+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_X")))), uint(float32(IMG_H)*(fh+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_Y")))),
 		img,
 		resize.Bilinear,
 	)
-
 	return img, nil
 }

render.go

@@ -43,7 +43,7 @@ func openImage(path string, c chan string) {
 	fw, fh := getFontWidth()
 	var im *ueberzug.Image
 	if path != "stop" {
-		img2, _ := getImg(getAlbumArt(path))
+		img2, _ := getImg(extractImageFromFile(path))
 		im, _ = ueberzug.NewImage(img2, int(float32(IMG_X)*fw)+viper.GetInt("ADDITIONAL_PADDING_X"), int(float32(IMG_Y)*fh)+viper.GetInt("ADDITIONAL_PADDING_Y"))
 	}
 	d := <-c