Example #1
0
        /**
         * \brief Draw the video mesh /with keyframe and icons too) (in OpenGL).
         * @param modelView the model-view matrix.
         * @param projection the projection matrix.
         */
        public void DrawMesh(float[] modelView, float[] projection)
        {
            PikkartVideoPlayer.VideoSate.VIDEO_STATE currentStatus = PikkartVideoPlayer.VideoSate.VIDEO_STATE.NOT_READY;
            if (mPikkartVideoPlayer != null)
            {
                currentStatus = mPikkartVideoPlayer.getVideoStatus();
                if (!mPikkartVideoPlayer.isFullscreen())
                {
                    if (mPikkartVideoPlayer.getVideoStatus() == PikkartVideoPlayer.VideoSate.VIDEO_STATE.PLAYING)
                    {
                        mPikkartVideoPlayer.updateVideoData();
                    }
                    mPikkartVideoPlayer.getSurfaceTextureTransformMatrix(mTexCoordTransformationMatrix);
                    SetVideoDimensions(mPikkartVideoPlayer.getVideoWidth(), mPikkartVideoPlayer.getVideoHeight(), mTexCoordTransformationMatrix);
                    mVideoTexCoords_Buffer = FillBuffer(videoTextureCoordsTransformed);
                }
            }

            Marker currentMarker = RecognitionFragment.CurrentMarker;

            if (currentMarker != null)
            {
                float markerWidth  = currentMarker.Width;
                float markerHeight = currentMarker.Height;

                GLES20.GlEnable(GLES20.GlDepthTest);
                //GLES20.GlDisable(GLES20.GlCullFaceMode);
                GLES20.GlCullFace(GLES20.GlBack);
                GLES20.GlFrontFace(GLES20.GlCw);

                if ((currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.READY) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.END) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.NOT_READY) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.ERROR))
                {
                    float[] scaleMatrix = new float[16];
                    RenderUtils.matrix44Identity(scaleMatrix);
                    scaleMatrix[0]  = markerWidth;
                    scaleMatrix[5]  = markerWidth * keyframeAspectRatio;
                    scaleMatrix[10] = markerWidth;

                    float[] temp_mv = new float[16];
                    RenderUtils.matrixMultiply(4, 4, modelView, 4, 4, scaleMatrix, temp_mv);

                    float[] temp_mvp = new float[16];
                    RenderUtils.matrixMultiply(4, 4, projection, 4, 4, temp_mv, temp_mvp);
                    float[] mvpMatrix = new float[16];
                    RenderUtils.matrix44Transpose(temp_mvp, mvpMatrix);

                    DrawKeyFrame(mvpMatrix);
                }
                else
                {
                    float[] scaleMatrix = new float[16];
                    RenderUtils.matrix44Identity(scaleMatrix);
                    scaleMatrix[0]  = markerWidth;
                    scaleMatrix[5]  = markerWidth * videoAspectRatio;
                    scaleMatrix[10] = markerWidth;

                    float[] temp_mv = new float[16];
                    RenderUtils.matrixMultiply(4, 4, modelView, 4, 4, scaleMatrix, temp_mv);

                    float[] temp_mvp = new float[16];
                    RenderUtils.matrixMultiply(4, 4, projection, 4, 4, temp_mv, temp_mvp);
                    float[] mvpMatrix = new float[16];
                    RenderUtils.matrix44Transpose(temp_mvp, mvpMatrix);

                    DrawVideo(mvpMatrix);
                }

                if ((currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.READY) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.END) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.PAUSED) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.NOT_READY) ||
                    (currentStatus == PikkartVideoPlayer.VideoSate.VIDEO_STATE.ERROR))
                {
                    float[] translateMatrix = new float[16];
                    RenderUtils.matrix44Identity(translateMatrix);
                    //scale a bit
                    translateMatrix[0]  = 0.4f;
                    translateMatrix[5]  = 0.4f;
                    translateMatrix[10] = 0.4f;
                    //translate a bit
                    translateMatrix[3]  = 0.0f;
                    translateMatrix[7]  = 0.45f;
                    translateMatrix[11] = -0.05f;

                    float[] temp_mv = new float[16];
                    RenderUtils.matrixMultiply(4, 4, modelView, 4, 4, translateMatrix, temp_mv);

                    float[] temp_mvp = new float[16];
                    RenderUtils.matrixMultiply(4, 4, projection, 4, 4, temp_mv, temp_mvp);
                    float[] mvpMatrix = new float[16];
                    RenderUtils.matrix44Transpose(temp_mvp, mvpMatrix);

                    DrawIcon(mvpMatrix, currentStatus);
                }
                RenderUtils.CheckGLError("VideoMesh:end video renderer");
            }
        }
Example #2
0
        /** Here we compute the model-view-projection matrix for OpenGL rendering
         * from the model-view and projection matrix computed by Pikkart's AR SDK.
         * the projection matrix is rotated accordingly to the screen orientation */
        public bool computeModelViewProjectionMatrix(float[] mvpMatrix)
        {
            RenderUtils.matrix44Identity(mvpMatrix);

            float w = (float)640;
            float h = (float)480;

            float ar = (float)ViewportHeight / (float)ViewportWidth;

            if (ViewportHeight > ViewportWidth)
            {
                ar = 1.0f / ar;
            }
            float h1 = h, w1 = w;

            if (ar < h / w)
            {
                h1 = w * ar;
            }
            else
            {
                w1 = h / ar;
            }

            float a = 0f, b = 0f;

            switch (Angle)
            {
            case 0:
                a = 1f; b = 0f;
                break;

            case 90:
                a = 0f; b = 1f;
                break;

            case 180:
                a = -1f; b = 0f;
                break;

            case 270:
                a = 0f; b = -1f;
                break;

            default: break;
            }

            float[] angleMatrix = new float[16];

            angleMatrix[0]  = a; angleMatrix[1] = b; angleMatrix[2] = 0.0f; angleMatrix[3] = 0.0f;
            angleMatrix[4]  = -b; angleMatrix[5] = a; angleMatrix[6] = 0.0f; angleMatrix[7] = 0.0f;
            angleMatrix[8]  = 0.0f; angleMatrix[9] = 0.0f; angleMatrix[10] = 1.0f; angleMatrix[11] = 0.0f;
            angleMatrix[12] = 0.0f; angleMatrix[13] = 0.0f; angleMatrix[14] = 0.0f; angleMatrix[15] = 1.0f;

            float[] projectionMatrix = (float[])RecognitionFragment.GetCurrentProjectionMatrix().Clone();
            projectionMatrix[5] = projectionMatrix[5] * (h / h1);

            float[] correctedProjection = new float[16];

            RenderUtils.matrixMultiply(4, 4, angleMatrix, 4, 4, projectionMatrix, correctedProjection);

            if (RecognitionFragment.IsTracking)
            {
                float[] modelviewMatrix = RecognitionFragment.GetCurrentModelViewMatrix();
                float[] temp_mvp        = new float[16];
                RenderUtils.matrixMultiply(4, 4, correctedProjection, 4, 4, modelviewMatrix, temp_mvp);
                RenderUtils.matrix44Transpose(temp_mvp, mvpMatrix);
                return(true);
            }
            return(false);
        }
        public bool ComputeProjectionMatrix(float[] pMatrix)
        {
            RenderUtils.matrix44Identity(pMatrix);

            float w = (float)640;
            float h = (float)480;

            float ar = (float)ViewportHeight / (float)ViewportWidth;

            if (ViewportHeight > ViewportWidth)
            {
                ar = 1.0f / ar;
            }
            float h1 = h, w1 = w;

            if (ar < h / w)
            {
                h1 = w * ar;
            }
            else
            {
                w1 = h / ar;
            }

            float a = 0f, b = 0f;

            switch (Angle)
            {
            case 0:
                a = 1f; b = 0f;
                break;

            case 90:
                a = 0f; b = 1f;
                break;

            case 180:
                a = -1f; b = 0f;
                break;

            case 270:
                a = 0f; b = -1f;
                break;

            default: break;
            }

            float[] angleMatrix = new float[16];

            angleMatrix[0]  = a; angleMatrix[1] = b; angleMatrix[2] = 0.0f; angleMatrix[3] = 0.0f;
            angleMatrix[4]  = -b; angleMatrix[5] = a; angleMatrix[6] = 0.0f; angleMatrix[7] = 0.0f;
            angleMatrix[8]  = 0.0f; angleMatrix[9] = 0.0f; angleMatrix[10] = 1.0f; angleMatrix[11] = 0.0f;
            angleMatrix[12] = 0.0f; angleMatrix[13] = 0.0f; angleMatrix[14] = 0.0f; angleMatrix[15] = 1.0f;

            float[] projectionMatrix = (float[])RecognitionFragment.GetCurrentProjectionMatrix().Clone();
            projectionMatrix[5] = projectionMatrix[5] * (h / h1);

            RenderUtils.matrixMultiply(4, 4, angleMatrix, 4, 4, projectionMatrix, pMatrix);

            return(true);
        }