Latches the next buffer into the texture. Must be called from the thread that created the OutputSurface object, after the onFrameAvailable callback h

置空

Checks for EGL errors.

Checks for EGL errors.

视频压缩

将私有目录文件复制到公共Download目录 @param privateFile 私有目录中的源文件

矫正裁剪的sample位置 @param track 视频轨道 @param cutHere 裁剪位置 @param next 是否还继续裁剪

获得页数

create length tree table for main tree

向哪个方向滑动 @param vx X轴方向滑动距离 @param vy Y轴方向滑动距离 @return 滑动方向

销毁Camera

停止预览

dp转px

Extracts all pending data from the encoder and forwards it to the muxer. <p> If endOfStream is not set, this returns when there is no more data to dra

Draws the data from SurfaceTexture onto the current EGL surface.

Author : hmg25 Version: 1.0 Description : 求解直线P1P2和直线P3P4的交点坐标

视频滤镜效果 @return

Calculates intersections for given scan line.

Calculates intersections for given scan line.

@return The MIME type for the given file.

Calculates the next highest power of two for a given integer.

Calculates the next highest power of two for a given integer.

Get a file path from a Uri. This will get the the path for Storage Access Framework Documents, as well as the _data field for the MediaStore and other