Another error

AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80070490
AL lib: (EE) MMDevApiOpenPlayback: Device init failed: 0x80070490
org.lwjgl.LWJGLException: Could not locate OpenAL library.
	at org.lwjgl.openal.AL.create(AL.java:156)
	at org.lwjgl.openal.AL.create(AL.java:102)
	at org.lwjgl.openal.AL.create(AL.java:206)
	at com.badlogic.gdx.backends.lwjgl.audio.OpenALAudio.<init>(OpenALAudio.java:72)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication.<init>(LwjglApplication.java:85)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication.<init>(LwjglApplication.java:66)
	at com.imackshun.apps.videotest.desktop.DesktopLauncher.main(DesktopLauncher.java:10)
TEST: Loading file : C:\Users\Mack\Documents\VideoTest\desktop\test.mp4
java.lang.Exception: Could not open file!
	at com.badlogic.gdx.video.VideoDecoder.loadStream(Native Method)
	at com.badlogic.gdx.video.VideoPlayerDesktop.play(VideoPlayerDesktop.java:140)
	at com.imackshun.apps.videotest.VideoTest.create(VideoTest.java:51)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:146)
	at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:123)
[VideoPlayer::loadFile] Error opening file: Invalid data found when processing input