exo解码类图

<MediaCodecSelector>

AsynchronousMediaCodecBufferEnqueuer

- codec: MediaCodec;- handlerThread: HandlerThread;- handler: Handler;

MediaCodec

MediaCodecVideoRenderer

MediaCodec.Callback

MediaCodecInfo

+ name:String+ mimeType:String+ codecMimeType:String+ capabilities:MediaCodecInfo.CodecCapabilities+ adaptive:boolean+ tunneling:boolean+ secure:boolean+ hardwareAccelerated:boolean+ softwareOnly:boolean+ vendor:boolean- isVideo:boolean

+ isFormatSupported(Format format): boolean

MediaCodecUnit

AsynchronousMediaCodecCallback

MediaCodecRenderer

- codec:MediaCodecAdapter

SynchronousMediaCodecAdapter

- codec:MediaCodec

MediaCodecAudioRenderer

AsynchronousMediaCodecAdapter

- codec:MediaCodec- asynchronousMediaCodecCallback: AsynchronousMediaCodecCallback;- bufferEnqueuer: AsynchronousMediaCodecBufferEnqueuer- synchronizeCodecInteractionsWithQueueing: boolean- codecReleased: boolean- state: int

<MediaCodecAdapter>

MediaCodecAdapter createAdapter(Configuration configuration)