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