On branch master
 Changes to be committed: fix crash of swaping camera and activity.
	modified:   AndroidManifest.xml
	modified:   src/com/qd/recorder/FFmpegRecorderActivity.java
 On branch master
 Changes to be committed: correct chinese prompt with Mac Android Studio.
	modified:   src/com/qd/recorder/ProgressView.java
	modified:   src/com/qd/recorder/VideoPlayTextureView.java