rmavistream.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/*****************************************************************
*** Copyright (c) 2001 Sigma Designs Inc. All rights reserved. ***
*****************************************************************/

/**
  @file   rmavistream.h
  @brief  

  <long description>

  @author Laurent Crinon
  @date   2002-03-25
*/

#ifndef __RMAVISTREAM_H__
#define __RMAVISTREAM_H__

#include "rmavitypes.h"
#include "../../rmcpputils/include/rmcpputils.h"

class RMAviStream: public RMobject
{
 public:
	RMAviStream();
	~RMAviStream();

	RMstatus read(RMuint8 *buffer, RMuint32 maxSize, RMuint32 *sizeRead);
	RMstatus seek(RMreal time);

	RMstatus parseStreamHeader(RMfileStream *f, RMuint32 *sizeRead);
	RMstatus parseStreamFormat(RMfileStream *f, RMuint32 *sizeRead);

	RMuint32 getType();

	RMuint32 getTimeScale();
	RMuint32 getChannelCount();
	RMuint32 getNbBitsPerSample();

	RMuint32 getAvgBytesPerSec();

	RMAviStreamHeader *getStreamHeader();

	void *getStreamFormat();

	RMuint32 getInitialFrame();
	
 private:
	RMAviStreamHeader m_streamHeader;
	RMAviVideoFormat *m_videoFormat;
	RMAviAudioFormat *m_audioFormat;
};

#endif // __RMAVISTREAM_H__