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/*************************************************************************** *
* MPEG Layer3-Audio Decoder
* © 1997-2006 by Fraunhofer IIS
* All Rights Reserved
*
* filename: mp3streaminfo.h
* project : MPEG Layer-3 Decoder
* author : Martin Sieler
* date : 1998-05-27
* contents/description: current bitstream parameters
*
\***************************************************************************/
/*
* $Date: 2010/11/17 20:46:04 $
* $Id: mp3streaminfo.h,v 1.1 2010/11/17 20:46:04 audiodsp Exp $
*/
#ifndef __MP3STREAMINFO_H__
#define __MP3STREAMINFO_H__
/* ------------------------ structure alignment ---------------------------*/
#ifdef WIN32
#pragma pack(push, 8)
#endif
/*-------------------------------------------------------------------------*/
typedef struct
{
int m_Layer; /* ISO/MPEG Layer */
int m_MpegVersion; /* ISO/MPEG Version */
int m_Bitrate; /* Bitrate (Bit/s) */
int m_BitrateIndex; /* ISO/MPEG Bitrate index of frame */
int m_Channels; /* Number of Channels (as indicated) */
int m_SFreq; /* Sampling Frequency (as indicated) */
int m_EffectiveChannels; /* Number of effective output channels */
int m_EffectiveSFreq; /* Effective Sampling Frequency */
int m_BitsPerFrame; /* Number of bits in frame */
float m_Duration; /* Duration of frame in milli seconds */
int m_CrcError; /* Indication of CRC Errors */
int m_NoMainData; /* Indication of missing main data */
int m_SamplesPerFrame;
} MP3STREAMINFO;
/*-------------------------------------------------------------------------*/
#ifdef __cplusplus
//
// Mp3 Streaminfo object.
//
// Object holding information on the last successfully decode frame.
//
class CMp3StreamInfo : protected MP3STREAMINFO
{
public:
CMp3StreamInfo() { Reset(); }
int GetLayer() const { return m_Layer; }
int GetMpegVersion() const { return m_MpegVersion; }
int GetBitrate() const { return m_Bitrate; }
int GetBitrateIndex() const { return m_BitrateIndex; }
int GetChannels() const { return m_Channels; }
int GetSFreq() const { return m_SFreq; }
int GetBitsPerFrame() const { return m_BitsPerFrame; }
float GetDuration() const { return m_Duration; }
int GetCrcError() const { return m_CrcError; }
int GetNoMainData() const { return m_NoMainData; }
int GetSamplesPerFrame() const { return m_SamplesPerFrame; }
protected:
friend class CMpgaDecoder;
void SetLayer(int nValue) { m_Layer = nValue; }
void SetMpegVersion(int nValue) { m_MpegVersion = nValue; }
void SetBitrate(int nValue) { m_Bitrate = nValue; }
void SetBitrateIndex(int nValue) { m_BitrateIndex = nValue; }
void SetChannels(int nValue) { m_Channels = nValue; }
void SetSFreq(int nValue) { m_SFreq = nValue; }
void SetBitsPerFrame(int nValue) { m_BitsPerFrame = nValue; }
void SetDuration(float fValue) { m_Duration = fValue; }
void SetCrcError(int nValue) { m_CrcError = nValue; }
void SetNoMainData(int nValue) { m_NoMainData = nValue; }
void SetSamplesPerFrame(int nValue) { m_SamplesPerFrame = nValue; }
void Reset()
{
m_Layer = 0;
m_MpegVersion = 0;
m_Bitrate = 0;
m_BitrateIndex = 0;
m_Channels = 0;
m_SFreq = 0;
m_BitsPerFrame = 0;
m_Duration = 0.0f;
m_CrcError = 0;
m_NoMainData = 0;
m_SamplesPerFrame=0;
}
};
#endif /* __cplusplus */
/*-------------------------------------------------------------------------*/
#ifdef WIN32
#pragma pack(pop)
#endif
/*-------------------------------------------------------------------------*/
#endif
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