fix(baidu): custom upload part size (close #5757)

drivers/baidu_netdisk/meta.go

@@ -17,6 +17,7 @@ type Addition struct {
 	AccessToken          string
 	UploadThread         string `json:"upload_thread" default:"3" help:"1<=thread<=32"`
 	UploadAPI            string `json:"upload_api" default:"https://d.pcs.baidu.com"`
+	CustomUploadPartSize int64  `json:"custom_upload_part_size" default:"0" help:"0 for auto"`
 }
 
 var config = driver.Config{

drivers/baidu_netdisk/util.go

@@ -249,6 +249,9 @@ const (
 )
 
 func (d *BaiduNetdisk) getSliceSize() int64 {
+	if d.CustomUploadPartSize != 0 {
+		return d.CustomUploadPartSize
+	}
 	switch d.vipType {
 	case 1:
 		return VipSliceSize