OpenGL仿微信视频聊天

package com.example.liyachao.video; import android.content.Context; import android.graphics.RectF; import android.graphics.SurfaceTexture; import android.opengl.GLES20; import android.opengl.GLSurfaceView; import android.opengl.GLSurfaceView.Renderer; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.ViewConfiguration; import com.example.liyachao.utils.DisplayUtil; import com.example.liyachao.utils.GlUtil; import com.example.liyachao.utils.LOG; import com.example.liyachao.video.gles.DirectDrawer; import java.util.ArrayList; import java.util.List; import javax.microedition.khronos.egl.EGLConfig; import javax.microedition.khronos.opengles.GL10; /** * @author liyachao 296777513 * @version 1.0 * @date 2017/3/1 */ public class CameraGLSurfaceView extends GLSurfaceView implements Renderer, SurfaceTexture.OnFrameAvailableListener { private Context mContext; private SurfaceTexture mSurface; private int mTextureID = -1; private int mBitmapTextureID = -1; private DirectDrawer mDirectDrawer; private DirectDrawer mBitmapDirectDrawer; private TextureResources mTextureResources; // 小视频的高度 private float mThumbnailHeight; // 小视频的宽度 private float mThumbnailWidth; // 记录小视频的坐标 private RectF mThumbnailRect; // 屏幕的宽度 private float mScreenWidth; // 屏幕的高度 private float mScreenHeight; //距离屏幕的最小距离 private int mMargin; //最小的滑动距离 private int mTouchSlop; // 标识符，判断手指按下的范围是否在小视频的坐标内 private boolean mTouchThumbnail = false; // 标识符，判断手指是移动小视频而不是点击小视频 private boolean isMoveThumbnail = false; // 按下时手指的x坐标值 private float mDownX = 0; // 按下时手指的y坐标值 private float mDownY = 0; private float mLastYLength = 0; private float mLastXLength = 0; public CameraGLSurfaceView(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub mContext = context; // 设置OpenGl ES的版本为2.0 setEGLContextClientVersion(2); // 设置与当前GLSurfaceView绑定的Renderer setRenderer(this); // 设置渲染的模式 setRenderMode(RENDERMODE_WHEN_DIRTY); mDirectDrawers = new ArrayList<>(); mScreenWidth = DisplayUtil.getScreenWidthPixels(mContext); mScreenHeight = DisplayUtil.getScreenHeightPixels(mContext); ViewConfiguration configuration = ViewConfiguration.get(context); mTouchSlop = configuration.getScaledTouchSlop();//最小的滑动距离 mThumbnailWidth = mScreenWidth / 4f; mThumbnailHeight = mScreenHeight / 4f; mMargin = DisplayUtil.dip2px(mContext, 2); mThumbnailRect = new RectF(mMargin, (mScreenHeight - mMargin), (mMargin + mThumbnailWidth), (mScreenHeight - mMargin - mThumbnailHeight)); mTextureResources = TextureResources.getInstance(); } private List<DirectDrawer> mDirectDrawers; @Override public void onSurfaceCreated(GL10 gl, EGLConfig config) { // TODO Auto-generated method stub LOG.logI("onSurfaceCreated..."); mTextureID = GlUtil.createTextureID(); mSurface = new SurfaceTexture(mTextureID); mSurface.setOnFrameAvailableListener(this); mDirectDrawer = new DirectDrawer(mTextureID); mDirectDrawer.setFromCamera(true); CameraCapture.get().openBackCamera(); mBitmapTextureID = GlUtil.loadTexture(mTextureResources.getPicBitmap()); mBitmapDirectDrawer = new DirectDrawer(mBitmapTextureID); mBitmapDirectDrawer.setFromCamera(false); mDirectDrawers.add(mDirectDrawer); mDirectDrawers.add(mBitmapDirectDrawer); LOG.logI("mTextureID: " + mBitmapTextureID); LOG.logI("mTextureID: " + mTextureID); } @Override public void onSurfaceChanged(GL10 gl, int width, int height) { // TODO Auto-generated method stub LOG.logI("onSurfaceChanged..."); // 设置OpenGL场景的大小,(0,0)表示窗口内部视口的左下角，(w,h)指定了视口的大小 GLES20.glViewport(0, 0, width, height); if (!CameraCapture.get().isPreviewing()) { CameraCapture.get().doStartPreview(mSurface); } } @Override public void onDrawFrame(GL10 gl) { // TODO Auto-generated method stub LOG.logI("onDrawFrame..."); // 设置白色为清屏 GLES20.glClearColor(1.0f, 1.0f, 1.0f, 1.0f); // 清除屏幕和深度缓存 GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT); // 更新纹理 mSurface.updateTexImage(); // mDirectDrawers中有两个对象，一个是绘制Camera传递过来的数据，一个是绘制由bitmap转换成的纹理 for (int i = 0; i < mDirectDrawers.size(); i++) { DirectDrawer directDrawer = mDirectDrawers.get(i); if (i == 0) { directDrawer.resetMatrix(); } else { directDrawer.calculateMatrix(mThumbnailRect, mScreenWidth, mScreenHeight); } directDrawer.draw(); } } /** * 移动小视频 * * @param rectF 小视频的坐标 * @param lengthY 在Y轴移动的距离 * @param lengthX 在X轴移动的距离 */ public void moveView(RectF rectF, float lengthY, float lengthX) { rectF.top = rectF.top - (lengthY - mLastYLength); rectF.bottom = rectF.bottom - (lengthY - mLastYLength); rectF.left = rectF.left + (lengthX - mLastXLength); rectF.right = rectF.right + (lengthX - mLastXLength); if (rectF.top > (mScreenHeight - mMargin)) { rectF.top = mScreenHeight - mMargin; rectF.bottom = rectF.top - mThumbnailHeight; } if (rectF.bottom < mMargin) { rectF.bottom = mMargin * 1f; rectF.top = rectF.bottom + mThumbnailHeight; } if (rectF.right > (mScreenWidth - mMargin)) { rectF.right = mScreenWidth - mMargin; rectF.left = rectF.right - mThumbnailWidth; } if (rectF.left < mMargin) { rectF.left = mMargin; rectF.right = rectF.left + mThumbnailWidth; } mLastYLength = lengthY; mLastXLength = lengthX; } @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: mDownX = event.getX(); mDownY = event.getY(); if (mDownX > mThumbnailRect.left && mDownX < mThumbnailRect.right && mDownY > mThumbnailRect.bottom && mDownY < mThumbnailRect.top) { mTouchThumbnail = true; mLastYLength = 0; mLastXLength = 0; return true; } else { mTouchThumbnail = false; } break; case MotionEvent.ACTION_MOVE: float moveX = event.getX(); float moveY = event.getY(); if (mTouchThumbnail) { float lengthX = Math.abs(mDownX - moveX); float lengthY = Math.abs(mDownY - moveY); float length = (float) Math.sqrt(Math.pow(lengthX, 2) + Math.pow(lengthY, 2)); if (length > mTouchSlop) { moveView(mThumbnailRect, mDownY - moveY, moveX - mDownX);