| AudioEncoderBase | Base class of audio encoder. |
| Encoder<I, O> | Base class of encoder modules. |
| MediaCodecAudioEncoder | MediaCodec Audio encoder. |
| MediaCodecEncoderBase<I, O> | MediaCodec encoder module base. |
| MediaCodecSurfaceEncoder | MediaCodec encoder with surface as input source. |
| VideoBufEncoderBase | Base class of video encoder with ImgBufFrame as input. |