JCResizeTextureView.java
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package videoplayer_lib;
import android.content.Context;
import android.graphics.Point;
import android.text.LoginFilter;
import android.util.AttributeSet;
import android.util.Log;
import android.view.TextureView;
import android.content.Context;
import android.graphics.Point;
import android.util.AttributeSet;
import android.util.Log;
import android.view.TextureView;
/**
* <p>参照Android系统的VideoView的onMeasure方法
* <br>注意!relativelayout中无法全屏，要嵌套一个linearlayout</p>
* <p>Referring Android system Video View of onMeasure method
* <br>NOTE! Can not fullscreen relativelayout, to nest a linearlayout</p>
* Created by Nathen
* On 2016/06/02 00:01
*/
public class JCResizeTextureView extends TextureView {
protected static final String TAG = "JCResizeTextureView";
// x as width, y as height
protected Point mVideoSize;
public JCResizeTextureView(Context context) {
super(context);
init();
}
public JCResizeTextureView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
mVideoSize = new Point(0, 0);
}
public void setVideoSize(Point videoSize) {
if (videoSize != null && !mVideoSize.equals(videoSize)) {
this.mVideoSize = videoSize;
Log.i("test","mVideoSize:" + mVideoSize.x + " * "+ mVideoSize.y);
requestLayout();
}
}
@Override
public void setRotation(float rotation) {
if (rotation != getRotation()) {
super.setRotation(rotation);
requestLayout();
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
Log.i(TAG, "onMeasure " + " [" + this.hashCode() + "] ");
int viewRotation = (int) getRotation();
int videoWidth = mVideoSize.x;
int videoHeight = mVideoSize.y;
Log.i(TAG, "videoWidth = " + videoWidth + ", " + "videoHeight = " + videoHeight);
Log.i(TAG, "viewRotation = " + viewRotation);
// 如果判断成立，则说明显示的TextureView和本身的位置是有90度的旋转的，所以需要交换宽高参数。
if (viewRotation == 90 || viewRotation == 270) {
int tempMeasureSpec = widthMeasureSpec;
widthMeasureSpec = heightMeasureSpec;
heightMeasureSpec = tempMeasureSpec;
}
int width = getDefaultSize(videoWidth, widthMeasureSpec);
int height = getDefaultSize(videoHeight, heightMeasureSpec);
if (videoWidth > 0 && videoHeight > 0) {
int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
Log.i(TAG, "widthMeasureSpec [" + MeasureSpec.toString(widthMeasureSpec) + "]");
Log.i(TAG, "heightMeasureSpec [" + MeasureSpec.toString(heightMeasureSpec) + "]");
if (widthSpecMode == MeasureSpec.EXACTLY && heightSpecMode == MeasureSpec.EXACTLY) {
// the size is fixed
width = widthSpecSize;
height = heightSpecSize;
// for compatibility, we adjust size based on aspect ratio
if (videoWidth * height < width * videoHeight) {
width = height * videoWidth / videoHeight;
} else if (videoWidth * height > width * videoHeight) {
height = width * videoHeight / videoWidth;
}
} else if (widthSpecMode == MeasureSpec.EXACTLY) {
// only the width is fixed, adjust the height to match aspect ratio if possible
width = widthSpecSize;
height = width * videoHeight / videoWidth;
if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) {
// couldn't match aspect ratio within the constraints
height = heightSpecSize;
width = height * videoWidth / videoHeight;
}
} else if (heightSpecMode == MeasureSpec.EXACTLY) {
// only the height is fixed, adjust the width to match aspect ratio if possible
height = heightSpecSize;
width = height * videoWidth / videoHeight;
if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) {
// couldn't match aspect ratio within the constraints
width = widthSpecSize;
height = width * videoHeight / videoWidth;
}
} else {
// neither the width nor the height are fixed, try to use actual video size
width = videoWidth;
height = videoHeight;
if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) {
// too tall, decrease both width and height
height = heightSpecSize;
width = height * videoWidth / videoHeight;
}
if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) {
// too wide, decrease both width and height
width = widthSpecSize;
height = width * videoHeight / videoWidth;
}
}
} else {
// no size yet, just adopt the given spec sizes
}
setMeasuredDimension(width, height);
}
}