mistserver/lib/vorbis.h

52 lines
1.4 KiB
C++

#pragma once
#include <cmath>
#include <sys/types.h>
#include <stdint.h>
#include <string>
#include <deque>
namespace vorbis{
struct mode{
bool blockFlag;
unsigned short windowType;
unsigned short transformType;
char mapping;
};
inline unsigned int ilog(unsigned int input){
return (std::log(input))/(std::log(2))+1;
}
bool isHeader(const char * newData, unsigned int length);
class header{
public:
~header();
header(char* newData, unsigned int length);
int getHeaderType();
long unsigned int getVorbisVersion();
char getAudioChannels();
long unsigned int getAudioSampleRate();
long unsigned int getBitrateMaximum();
long unsigned int getBitrateNominal();
long unsigned int getBitrateMinimum();
char getBlockSize0();
char getBlockSize1();
char getFramingFlag();
std::string toPrettyString(size_t indent = 0);
std::deque<mode> readModeDeque(char audioChannels);
bool isHeader();
unsigned int getDataSize(){
return datasize;
}
protected:
uint32_t getInt32(size_t index);
uint32_t getInt24(size_t index);
uint16_t getInt16(size_t index);
private:
std::deque<mode> modes;
char* data;
unsigned int datasize;
bool checkDataSize(unsigned int size);
bool validate();
};
}