gif to webp

bin/main.go

@@ -2,20 +2,31 @@ package main
 
 import (
 	"image"
-	"image/gif"
 	"log"
 	"net/http"
 	"os"
+	"runtime"
 
 	"regexp"
 	"strconv"
 
 	"github.com/chai2010/webp"
 	"github.com/disintegration/imaging"
+	giftowebp "github.com/sizeofint/gif-to-webp"
 )
 
+type Image struct {
+	FilePath  string
+	Data      []byte
+	ImageType int
+	Ext       string
+	Width     int
+	Height    int
+}
+
 // 实现一个 web api 服务(获取指定尺寸的图片)
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 
 	http.HandleFunc("/img/", func(w http.ResponseWriter, r *http.Request) {
 
@@ -65,20 +76,27 @@ func main() {
 
 		// 如果是 GIF 格式的动态图片，直接返回
 		if ext == "gif" {
-			giffile, err := os.Open("data/test.gif")
+			gifBin, err := os.ReadFile("data/test.gif")
 			if err != nil {
-				log.Println("打开文件失败", err)
+				log.Println("读取文件失败", err)
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
-			defer giffile.Close()
+
-			gifimg, err := gif.DecodeAll(giffile)
+			converter := giftowebp.NewConverter()
+			converter.LoopCompatibility = false
+			converter.WebPConfig.SetLossless(0) // 0 有损压缩 1无损压缩
+			converter.WebPConfig.SetMethod(6)   // 压缩速度 0-6 0最快 6质量最好
+			converter.WebPConfig.SetQuality(10) // 压缩质量 0-100
+			converter.WebPAnimEncoderOptions.SetKmin(9)
+			converter.WebPAnimEncoderOptions.SetKmax(17)
+			webpBuf, err := converter.Convert(gifBin)
 			if err != nil {
-				log.Println("解码图像失败", err)
+				log.Println("编码图像失败", err.Error())
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
-			gif.EncodeAll(w, gifimg)
+			w.Write(webpBuf)
 			return
 		}
 

go.mod

@@ -4,9 +4,10 @@ go 1.18
 
 require github.com/disintegration/imaging v1.6.2
 
-require github.com/sizeofint/webpanimation v0.0.0-20210809145948-1d2b32119882 // indirect
+require github.com/sizeofint/webp-animation v0.0.0-20190207194838-b631dc900de9 // indirect
 
 require (
 	github.com/chai2010/webp v1.1.1
+	github.com/sizeofint/gif-to-webp v0.0.0-20210224202734-e9d7ed071591
 	golang.org/x/image v0.0.0-20211028202545-6944b10bf410 // indirect
 )

go.sum

@@ -2,9 +2,10 @@ github.com/chai2010/webp v1.1.1 h1:jTRmEccAJ4MGrhFOrPMpNGIJ/eybIgwKpcACsrTEapk=
 github.com/chai2010/webp v1.1.1/go.mod h1:0XVwvZWdjjdxpUEIf7b9g9VkHFnInUSYujwqTLEuldU=
 github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
 github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
-github.com/sizeofint/webpanimation v0.0.0-20210809145948-1d2b32119882 h1:A7o8tOERTtpD/poS+2VoassCjXpjHn916luXbf5QKD0=
+github.com/sizeofint/gif-to-webp v0.0.0-20210224202734-e9d7ed071591 h1:dCWBD4Xchp/XFIR/x6D2l74DtQHvIpHsmpPRHgH9oUo=
-github.com/sizeofint/webpanimation v0.0.0-20210809145948-1d2b32119882/go.mod h1:5IwJoz9Pw7JsrCN4/skkxUtSWT7myuUPLhCgv6Q5vvQ=
+github.com/sizeofint/gif-to-webp v0.0.0-20210224202734-e9d7ed071591/go.mod h1:IXC7KN2FEuTEISdePm37qcFyXInAh6pfW35yDjbdfOM=
-golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 h1:hVwzHzIUGRjiF7EcUjqNxk3NCfkPxbDKRdnNE1Rpg0U=
+github.com/sizeofint/webp-animation v0.0.0-20190207194838-b631dc900de9 h1:i3LYMwQ0zkh/BJ47vIZN+jBYqV4/f6DFoAsW8rwV490=
+github.com/sizeofint/webp-animation v0.0.0-20190207194838-b631dc900de9/go.mod h1:/NQ8ciRuH+vxYhrFlnX70gvXBugMYQbBygCRocFgSZ4=
 golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20211028202545-6944b10bf410 h1:hTftEOvwiOq2+O8k2D5/Q7COC7k5Qcrgc2TFURJYnvQ=
 golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=