编写脚本转化ogg文件（防止mp3文件无法播放的问题）

asset/audio/peiyin/convert.sh

@@ -0,0 +1,18 @@
+#bash convert.sh
+# convert all mp3 files to ogg files under the same directory
+# command example: ffmpeg -i input.mp3 -c:a libvorbis -qscale:a 5 output.ogg
+
+
+# makdir ogg if not exist
+if [ ! -d "./ogg" ]; then
+	mkdir ogg
+fi
+# clear the ogg directory
+rm -rf ./ogg/*
+# convert all mp3 files to ogg files
+for file in *.mp3
+do
+	# put the output files to the ./ogg directory
+	# the quality range is from 0–10, where 10 is the highest quality and 3–7 are a good range to try
+	ffmpeg -i "$file" -c:a libvorbis -qscale:a 8 "./ogg/${file%.mp3}.ogg"
+done