初始化AAC编码器

初始化MPEG编码器

初始化解码器

Makes our EGL context and surface current.

Makes our EGL context and surface current.

Sets the session beginning timestamp for all chunks

* Check whether given option is a group separator. * * @return index of the group definition that matched or -1 if none */

Return 1 if there remain streams where more output is wanted, 0 otherwise. */

Configures Camera for video capture. Sets mCamera. <p> Opens a Camera and sets parameters. Does not start preview.

Configures encode and muxer state, and prepares the input Surface. Initializes mEncoder, mMuxer, mInputSurface, mBufferInfo, mTrackIndex, and mMuxerS

Configures encode and muxer state, and prepares the input Surface.

Configures SurfaceTexture for camera preview. Initializes mStManager, and sets the associated SurfaceTexture as the Camera's "preview texture". <p> C

* Return * - 0 -- one packet was read and processed * - AVERROR(EAGAIN) -- no packets were available for selected file, * this function should be

将PCM数据存入{@link #chunkPCMDataContainer} @param pcmChunk PCM数据块

Discards all resources held by this class, notably the EGL context. This must be called from the thread where the context was created. <p> On complet

Stops camera preview, and releases the camera to the system.

Releases encode resources.

Releases encode resources. May be called after partial / failed initialization.

Releases the SurfaceTexture.