105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
package main
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import (
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"image"
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"os"
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"strings"
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"github.com/bogem/id3v2"
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"github.com/mewkiz/flac"
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"github.com/mewkiz/flac/meta"
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"github.com/nfnt/resize"
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"github.com/spf13/viper"
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)
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func GetMp3Image(songPath, imagePath string) string {
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tag, err := id3v2.Open(songPath, id3v2.Options{Parse: true})
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if err != nil {
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return ""
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}
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defer tag.Close()
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if err != nil {
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return ""
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}
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// Read tags.
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Frames := tag.GetFrames(tag.CommonID("Attached picture"))
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var ImageData []byte
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for _, er := range Frames {
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pic, ok := er.(id3v2.PictureFrame)
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if ok {
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for _, i := range pic.Picture {
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ImageData = append(ImageData, byte(i))
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}
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imageHandler, err := os.Create(imagePath)
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if err != nil {
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return ""
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} else {
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imageHandler.Write(ImageData)
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return imagePath
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}
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}
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}
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return ""
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}
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func GetFlacImage(songPath, imagePath string) string {
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stream, err := flac.ParseFile(songPath)
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if err != nil {
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return ""
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}
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defer stream.Close()
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for _, block := range stream.Blocks {
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if block.Type == meta.TypePicture {
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pic := block.Body.(*meta.Picture)
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if pic.Type == 3 {
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imageHandler, err := os.Create(imagePath)
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if err != nil {
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return ""
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}
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imageHandler.Write(pic.Data)
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return imagePath
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}
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}
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}
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return ""
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}
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func extractImageFromFile(uri string, imagePath string) string {
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if strings.HasSuffix(uri, ".mp3") {
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imagePath := GetMp3Image(uri, imagePath)
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if imagePath == "" {
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return viper.GetString("DEFAULT_IMAGE_PATH")
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} else {
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return imagePath
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}
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} else if strings.HasSuffix(uri, ".flac") {
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imagePath := GetFlacImage(uri, imagePath)
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if imagePath == "" {
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return viper.GetString("DEFAULT_IMAGE_PATH")
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} else {
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return imagePath
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}
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} else {
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return viper.GetString("DEFAULT_IMAGE_PATH")
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}
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}
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func getImg(uri string) (image.Image, error) {
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f, err := os.Open(uri)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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img, _, err := image.Decode(f)
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if err != nil {
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return nil, err
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}
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fw, fh := getFontWidth()
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img = resize.Resize(
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uint(float32(IMG_W)*(fw+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_X")))), uint(float32(IMG_H)*(fh+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_Y")))),
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img,
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resize.Bilinear,
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)
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return img, nil
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}
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