* 将图像数据转成YUV420P格式的图像数据 * @param image * @param length * @param width * @param height * @param pixelFormat * @return */

创建媒体数据加载器

创建 .nomedia 文件 @param path

创建文件路径 @param suffix @return

创建ShortBuffer @param coords @return

Creates an EGL surface associated with a Surface. <p> If this is destined for MediaCodec, the EGLConfig should have the "recordable" attribute.

解压Asset文件夹目录下的资源 @param context @param assetName assets文件夹路径 @param unzipFolder 解压的文件夹名称 @param parentFolder 解压目录

解压绝对路径目录下的资源 @param zipPath zip绝对路径 @param unzipPath 解压的目录 @param parentFolder 解压目录

删除上一段视频

Pythagoras distance between two points.

绘制四条分割线和四个角

Apply a selected type of easing. @param type Easing type, from static fields @param time Elapsed time @param from Start value @param change Target va

编码PCM数据 @param data @param len

* 将YuvData对象转换为AVMediaData * @param mediaData * @param yuvData * @param width * @param height * @return */

Free stream buffers. */

创建合成的视频文件名 @return

Gets a brief description of this tab's content for use in accessibility support. @return Description of this tab's content @see #setContentDescriptio

Get the value of the data column for this Uri. This is useful for MediaStore Uris, and other file-based ContentProviders. @param context The context.

Get the value of the data column for this Uri. This is useful for MediaStore Uris, and other file-based ContentProviders. @param context The co

获取时长(微妙，us) @param url @return

获取EglContext(用于多线程共享上下文) @return

* 将像素格式转换成yuv的格式 * @param format * @return */

Get the pole of the gimbal lock, if any. @return positive (+1) for north pole, negative (-1) for south pole, zero (0) when no gimbal lock

获取当前的Looper @return

获取Looper @return

获取最大进度 @return

获取媒体类型 @return

Gets available output, outputting to the start of {@code buffer}. The buffer's position will be advanced by the number of bytes written. @param buffe

return the Vector2 with coordinates of this rectangle @param position The Vector2

获取录制视频的段数 @return

获取屏幕宽度 @param context @return

获取选中的媒体数据

Return 1 if value >= 0, else -1. This represents the sign of value. */

Returns the internal seeds to allow state saving. @param seed must be 0 or 1, designating which of the 2 long seeds to return @return the internal see

获取状态栏高度 @param context @return

* 获取媒体流 * @return */

Returns the tab at the specified index.

获取视频缓存绝对路径 @param context @return

获取视频参数 @return

Filters can be configured only if the formats of all inputs are known.

Sets the minimum and maximum vector to positive and negative infinity. @return This bounding box for chaining.

初始化，第一次创建时调用 @param context

初始化

初始化渲染器

是否前置摄像头

是否视频

Adjust a requested scale to be within the allowed limits.

Multiplies the ray by the given matrix. Use this to transform a ray into another coordinate system. @param matrix The matrix @return This ray for cha

Multiplies this quaternion with another one in the form of this = this other @param other Quaternion to multiply with @return This quaternion for cha

Multiplies this quaternion with another one in the form of this = other this @param other Quaternion to multiply with @return This quaternion for cha

Returns the next pseudo-random, uniformly distributed {@code int} value from this random number generator's sequence. <p> This implementation uses {@l

glDrawArrays/glDrawElements调用之后，方便销毁其他属性

Called to indicate an error. @param mp the MediaPlayer the error pertains to @param what the type of error that has occurred: <ul> <li>{@link

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Overlap two sound segments, ramp the volume of one down, while ramping the other one from zero up, and add them, storing the result at the output.

* Parse a metadata specifier passed as 'arg' parameter. * @param arg metadata string to parse * @param type metadata type is written here -- g(loba