com.yy.mediaframework.decoder

Class BaseDecoder

java.lang.Object

com.yy.mediaframework.decoder.BaseDecoder

Direct Known Subclasses:

BaseHardwareDecoder

public abstract class BaseDecoder
extends java.lang.Object

Created by Eric on 2017/5/22.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	IllegalStateExceptionTAG
protected java.lang.String	mCodecName
protected java.lang.String	mCodecType
protected int	mDecodeHeight
protected int	mDecodeWidth

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseDecoder(int width, int height, java.lang.String codeName, java.lang.String codecType)

Method Summary

Modifier and Type	Method and Description
abstract long	drainDecoder(byte[] data, int dataLen, boolean header, long pts) 往已创建好的解码器推送数据
abstract long	drainDecoder(DecodeVideoSample sample) 往已创建好的解码器推送数据，
abstract int	initDecoder(DecodeVideoConfig config)
protected static boolean	isCodecAvailable(java.lang.String codecName)
abstract void	release() 释放解码器相关资源

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IllegalStateExceptionTAG

protected java.lang.String IllegalStateExceptionTAG

mDecodeWidth

protected int mDecodeWidth

mDecodeHeight

protected int mDecodeHeight

mCodecName

protected java.lang.String mCodecName

mCodecType

protected java.lang.String mCodecType

Constructor Detail

BaseDecoder

protected BaseDecoder(int width,
                      int height,
                      java.lang.String codeName,
                      java.lang.String codecType)

Parameters:

width - 解码宽度

height - 解码高度

codeName - 解码器名称

codecType - 解码器类型，如video/avc等

Method Detail

initDecoder

public abstract int initDecoder(DecodeVideoConfig config)

drainDecoder

public abstract long drainDecoder(DecodeVideoSample sample)

往已创建好的解码器推送数据，

Parameters:

sample - 待解码帧数据

Returns:

解码后，改帧对应的pts

drainDecoder

public abstract long drainDecoder(byte[] data,
                                  int dataLen,
                                  boolean header,
                                  long pts)

往已创建好的解码器推送数据

Parameters:

data - 数据 可以是SPS PPS I P B

dataLen - 数据长度

header - 是否是sps pps

pts - 当前帧的pts

Returns:

release

public abstract void release()

释放解码器相关资源

isCodecAvailable

protected static boolean isCodecAvailable(java.lang.String codecName)