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#ifndef _mpc_streaminfo_h_
#define _mpc_streaminfo_h_
#ifndef _mpc_dec_h_
class MPC_reader;
#endif
// error codes
#define ERROR_CODE_OK 0
#define ERROR_CODE_FILE -1
#define ERROR_CODE_SV7BETA 1
#define ERROR_CODE_CBR 2
#define ERROR_CODE_IS 3
#define ERROR_CODE_BLOCKSIZE 4
#define ERROR_CODE_INVALIDSV 5
class StreamInfo {
public:
typedef long off_t;
typedef struct {
unsigned int SampleFreq;
unsigned int Channels;
off_t HeaderPosition; // byte position of header
unsigned int StreamVersion; // Streamversion of current file
unsigned int Bitrate; // bitrate of current file (bps)
double AverageBitrate; // Average bitrate in bits/sec
unsigned int Frames; // number of frames contained
MPC_INT64 PCMSamples;
unsigned int MaxBand; // maximum band-index used (0...31)
unsigned int IS; // Intensity Stereo (0: off, 1: on)
unsigned int MS; // Mid/Side Stereo (0: off, 1: on)
unsigned int BlockSize; // only needed for SV4...SV6 -> not supported
unsigned int Profile; // quality profile
const char* ProfileName;
// ReplayGain related data
short GainTitle;
short GainAlbum;
unsigned short PeakAlbum;
unsigned short PeakTitle;
// true gapless stuff
unsigned int IsTrueGapless; // is true gapless used?
unsigned int LastFrameSamples; // number of valid samples within last frame
unsigned int EncoderVersion; // version of encoder used
char Encoder[256];
off_t TagOffset;
off_t TotalFileLength;
} BasicData;
BasicData simple;
public:
StreamInfo ();
int ReadStreamInfo ( MPC_reader *fp );
MPC_INT64 GetLenthSamples();
double GetLength();//in seconds
private:
int ReadHeaderSV6 ( unsigned int HeaderData [8] );
int ReadHeaderSV7 ( unsigned int HeaderData [8] );
int ReadHeaderSV8 ( MPC_reader* fp );
};
#endif //_mpc_streaminfo_h_
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