From f4e8f206a6760bdc31734dfcb1c65916b5b76311 Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期四, 22 八月 2019 12:05:58 +0800
Subject: [PATCH] add cluster
---
extend/util/util.go | 34 +++++++++++++++++++++++++++++++++-
1 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/extend/util/util.go b/extend/util/util.go
index a4a66ca..8f7883c 100644
--- a/extend/util/util.go
+++ b/extend/util/util.go
@@ -7,6 +7,7 @@
"errors"
"github.com/gin-gonic/gin"
"github.com/golang/glog"
+ "github.com/pierrec/lz4"
"gocv.io/x/gocv"
"image"
"net"
@@ -192,6 +193,37 @@
}
func ParseScore(compareScore float32) float32 {
+ if compareScore < 1 {
+ compareScore = compareScore * 100
+ }
f, _ := strconv.ParseFloat(fmt.Sprintf("%2.2f", compareScore), 32)
return float32(f)
-}
\ No newline at end of file
+}
+
+// UnCompress uncompress
+func UnCompress(in []byte) ([]byte, error) {
+ out := make([]byte, 10*len(in))
+ n, err := lz4.UncompressBlock(in, out)
+ if err != nil {
+ fmt.Println(err)
+ return nil, err
+ }
+ out = out[:n] // uncompressed data
+ return out, nil
+}
+
+// Compress compress
+func Compress(in []byte) ([]byte, error) {
+ out := make([]byte, len(in))
+ ht := make([]int, 64<<10) // buffer for the compression table
+ n, err := lz4.CompressBlock(in, out, ht)
+ if err != nil {
+ fmt.Println(err)
+ return nil, err
+ }
+ if n >= len(in) {
+ fmt.Println("image is not compressible")
+ }
+ out = out[:n] // compressed data
+ return out, nil
+}
--
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