78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
#pragma once
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#include "bitfields.h"
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#include "defines.h"
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#include <string>
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namespace RIFF{
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/// Basic RIFF chunk class - can only read type and size.
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/// All RIFF chunks have this format.
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class Chunk{
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public:
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Chunk(const void *_p = 0, uint32_t len = 0);
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Chunk(void *_p, const char *t, uint32_t len);
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inline operator bool() const{return p;}
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inline std::string getType() const{
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if (!p){return "";}
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return std::string(p, 4);
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}
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inline uint32_t getPayloadSize() const{
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if (!p){return 0;}
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return Bit::btohl_le(p + 4);
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}
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virtual void toPrettyString(std::ostream &o, size_t indent = 0) const;
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protected:
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const char *p;
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};
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/// List-type RIFF chunk. Can read list identifier.
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/// "RIFF" and "LIST" type chunks follow this format.
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class ListChunk : public Chunk{
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public:
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ListChunk(const void *_p = 0, uint32_t len = 0) : Chunk(_p, len){}
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inline std::string getIdentifier() const{
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if (!p){return "";}
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return std::string(p + 8, 4);
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}
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virtual void toPrettyString(std::ostream &o, size_t indent = 0) const;
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};
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/// WAVE "fmt " class.
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class fmt : public Chunk{
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public:
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static std::string generate(uint16_t format, uint16_t channels, uint32_t hz, uint32_t bps,
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uint16_t blocksize, uint16_t size);
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fmt(const void *_p = 0, uint32_t len = 0) : Chunk(_p, len){}
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uint16_t getFormat() const;
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std::string getCodec() const;
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uint16_t getChannels() const;
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uint32_t getHz() const;
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uint32_t getBPS() const;
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uint16_t getBlockSize() const;
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uint16_t getSize() const;
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uint16_t getExtLen() const;
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uint16_t getValidBits() const;
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uint32_t getChannelMask() const;
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std::string getGUID() const;
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virtual void toPrettyString(std::ostream &o, size_t indent = 0) const;
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};
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/// WAVE fact class.
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class fact : public Chunk{
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public:
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static std::string generate(uint32_t samples);
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fact(const void *_p = 0, uint32_t len = 0) : Chunk(_p, len){}
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uint32_t getSamplesPerChannel() const;
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virtual void toPrettyString(std::ostream &o, size_t indent = 0) const;
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};
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/// ISFT class. Contains software name.
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class ISFT : public Chunk{
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public:
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ISFT(const void *_p = 0, uint32_t len = 0) : Chunk(_p, len){}
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std::string getSoftware() const;
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virtual void toPrettyString(std::ostream &o, size_t indent = 0) const;
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};
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}// namespace RIFF
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