125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
#pragma once
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#include "foundation/types.h"
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#include "header.h"
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namespace ID3v2
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{
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class FrameHeader
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{
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protected:
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FrameHeader(const ID3v2::Header &_header);
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const ID3v2::Header &tagHeader;
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};
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}
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namespace ID3v2_2
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{
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struct FrameHeaderData
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{
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int8_t id[4]; // ID3v2.2 uses 3 bytes but we add a NULL for the last to make it easier
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uint8_t size[3]; // 24 bit size field
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};
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class FrameHeader : public ID3v2::FrameHeader
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{
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public:
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FrameHeader(const ID3v2_2::FrameHeader &frame_header, const ID3v2::Header &_header);
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FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
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FrameHeader(const ID3v2::Header &_header, const void *data);
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bool IsValid() const;
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bool Unsynchronised() const;
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uint32_t FrameSize() const;
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const int8_t *GetIdentifier() const;
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void SetSize(uint32_t data_size);
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int SerializedSize(uint32_t *written) const;
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int Serialize(void *data) const;
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enum
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{
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SIZE=6,
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};
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private:
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FrameHeaderData frameHeaderData;
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};
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}
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namespace ID3v2_3
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{
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class FrameHeaderBase : public ID3v2::FrameHeader
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{
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public:
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int SerializedSize(uint32_t *written) const;
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int Serialize(void *data, uint32_t *written) const;
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bool IsValid() const;
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const int8_t *GetIdentifier() const;
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enum
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{
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SIZE=10,
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};
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protected:
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FrameHeaderBase(const ID3v2_3::FrameHeaderBase &frame_header_base, const ID3v2::Header &_header);
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FrameHeaderBase(const ID3v2::Header &_header);
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FrameHeaderBase(const ID3v2::Header &_header, const int8_t *id, int flags);
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int8_t id[4];
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uint32_t size;
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uint8_t flags[2];
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};
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class FrameHeader : public ID3v2_3::FrameHeaderBase
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{
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public:
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FrameHeader(const ID3v2_3::FrameHeader &frame_header, const ID3v2::Header &_header);
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FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
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FrameHeader(const ID3v2::Header &_header, const void *data);
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uint32_t FrameSize() const;
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bool Encrypted() const;
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bool Compressed() const;
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bool Grouped() const;
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bool ReadOnly() const;
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bool Unsynchronised() const;
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bool TagAlterPreservation() const;
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bool FileAlterPreservation() const;
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void ClearCompressed();
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/* sets a new size, given a data size. this function might add additional size (grouped, compressed, etc) */
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void SetSize(uint32_t data_size);
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private:
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};
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}
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namespace ID3v2_4
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{
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class FrameHeader : public ID3v2_3::FrameHeaderBase
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{
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public:
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FrameHeader(const ID3v2_4::FrameHeader &frame_header, const ID3v2::Header &_header);
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FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
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FrameHeader(const ID3v2::Header &_header, const void *data);
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/* size to read from disk */
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uint32_t FrameSize() const;
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bool Encrypted() const;
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bool Compressed() const;
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bool Grouped() const;
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bool ReadOnly() const;
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bool Unsynchronised() const;
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bool FrameUnsynchronised() const;
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bool DataLengthIndicated() const;
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bool TagAlterPreservation() const;
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bool FileAlterPreservation() const;
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void ClearUnsynchronized();
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void ClearCompressed();
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/* sets a new size, given a data size. this function might add additional size (grouped, compressed, etc) */
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void SetSize(uint32_t data_size);
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int SerializedSize(uint32_t *written) const;
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int Serialize(void *data, uint32_t *written) const;
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};
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}
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