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package android.webkit;
import android.Manifest.permission;
import android.content.pm.PackageManager;
import android.graphics.SurfaceTexture;
import android.media.MediaPlayer;
import android.webkit.HTML5VideoView;
import android.webkit.HTML5VideoViewProxy;
import android.view.Surface;
import android.opengl.GLES20;
import android.os.PowerManager;
/**
* @hide This is only used by the browser
*/
public class HTML5VideoInline extends HTML5VideoView{
// Due to the fact that the decoder consume a lot of memory, we make the
// surface texture as singleton. But the GL texture (m_textureNames)
// associated with the surface texture can be used for showing the screen
// shot when paused, so they are not singleton.
private static SurfaceTexture mSurfaceTexture = null;
private static int[] mTextureNames = null;
// Every time when the VideoLayer Id change, we need to recreate the
// SurfaceTexture in order to delete the old video's decoder memory.
private static int mVideoLayerUsingSurfaceTexture = -1;
// Video control FUNCTIONS:
@Override
public void start() {
if (!getPauseDuringPreparing()) {
super.start();
}
}
HTML5VideoInline(int videoLayerId, int position) {
init(videoLayerId, position, false);
}
@Override
public void decideDisplayMode() {
SurfaceTexture surfaceTexture = getSurfaceTexture(getVideoLayerId());
Surface surface = new Surface(surfaceTexture);
mPlayer.setSurface(surface);
surface.release();
}
// Normally called immediately after setVideoURI. But for full screen,
// this should be after surface holder created
@Override
public void prepareDataAndDisplayMode(HTML5VideoViewProxy proxy) {
super.prepareDataAndDisplayMode(proxy);
setFrameAvailableListener(proxy);
// TODO: This is a workaround, after b/5375681 fixed, we should switch
// to the better way.
if (mProxy.getContext().checkCallingOrSelfPermission(permission.WAKE_LOCK)
== PackageManager.PERMISSION_GRANTED) {
mPlayer.setWakeMode(proxy.getContext(), PowerManager.FULL_WAKE_LOCK);
}
}
// Pause the play and update the play/pause button
@Override
public void pauseAndDispatch(HTML5VideoViewProxy proxy) {
super.pauseAndDispatch(proxy);
}
// Inline Video specific FUNCTIONS:
public static SurfaceTexture getSurfaceTexture(int videoLayerId) {
// Create the surface texture.
if (videoLayerId != mVideoLayerUsingSurfaceTexture
|| mSurfaceTexture == null
|| mTextureNames == null) {
// The GL texture will store in the VideoLayerManager at native side.
// They will be clean up when requested.
// The reason we recreated GL texture name is for screen shot support.
mTextureNames = new int[1];
GLES20.glGenTextures(1, mTextureNames, 0);
mSurfaceTexture = new SurfaceTexture(mTextureNames[0]);
}
mVideoLayerUsingSurfaceTexture = videoLayerId;
return mSurfaceTexture;
}
public boolean surfaceTextureDeleted() {
return (mSurfaceTexture == null);
}
@Override
public void deleteSurfaceTexture() {
cleanupSurfaceTexture();
return;
}
public static void cleanupSurfaceTexture() {
mSurfaceTexture = null;
mVideoLayerUsingSurfaceTexture = -1;
return;
}
@Override
public int getTextureName() {
if (mTextureNames != null) {
return mTextureNames[0];
} else {
return 0;
}
}
private void setFrameAvailableListener(SurfaceTexture.OnFrameAvailableListener l) {
mSurfaceTexture.setOnFrameAvailableListener(l);
}
}
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