option to disable downsampling

conf/app.conf

@@ -1,4 +1,5 @@
 appname = github.com/deluan/gosonic
+serverName = GoSonic
 httpPort = 8080
 runMode = dev
 autoRender = false
@@ -13,19 +14,21 @@ musicFolder=./iTunes1.xml
 user=deluan
 password=wordpass
 dbPath=./devDb
+enableDownsampling = true
 downsampleCommand=ffmpeg -i %s -map 0:0 -b:a %bk -v 0 -f mp3 -
 plsIgnoreFolders = true
 plsIgnoredPatterns = ^iCloud;^CDs para;^Skipped;Christian
 
 [dev]
-disableValidation = true
+disableValidation = false
+enableDownsampling = false
 enableAdmin = true
 
 [test]
 disableValidation = false
 httpPort = 8081
-user=deluan
-password=wordpass
+user = deluan
+password = wordpass
 dbPath = /tmp/testDb
-musicFolder=./tests/itunes-library.xml
-downsampleCommand=ffmpeg -i %s -b:a %bk mp3 -
+musicFolder = ./tests/itunes-library.xml
+downsampleCommand = ffmpeg -i %s -b:a %bk mp3 -

engine/stream.go

@@ -14,7 +14,8 @@ import (
 func Stream(path string, bitRate int, maxBitRate int, w io.Writer) error {
 	var f io.Reader
 	var err error
-	if maxBitRate > 0 && bitRate > maxBitRate {
+	ds, _ := beego.AppConfig.Bool("enableDownsampling")
+	if ds && maxBitRate > 0 && bitRate > maxBitRate {
 		f, err = downsample(path, maxBitRate)
 	} else {
 		f, err = os.Open(path)