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66 lines
3.4 KiB
C
66 lines
3.4 KiB
C
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#pragma once
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#include "foundation/dispatch.h"
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#include "nx/nxstring.h"
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#include "nx/nxdata.h"
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#include "foundation/error.h"
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#include "metadata/MetadataKeys.h"
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#include "metadata/types.h"
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class NOVTABLE ifc_metadata : public Wasabi2::Dispatchable
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{
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protected:
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ifc_metadata() : Dispatchable(DISPATCHABLE_VERSION) {}
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public:
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virtual ~ifc_metadata() {}
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enum
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{
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INDEX_DEFAULT = -1,
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};
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/* Fields */
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ns_error_t GetField(int field, unsigned int index, nx_string_t *value) { return Metadata_GetField(field, index, value); }
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ns_error_t GetInteger(int field, unsigned int index, int64_t *value) { return Metadata_GetInteger(field, index, value); }
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ns_error_t GetReal(int field, unsigned int index, double *value) { return Metadata_GetReal(field, index, value); }
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ns_error_t SetField(int field, unsigned int index, nx_string_t value) { return Metadata_SetField(field, index, value); }
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ns_error_t SetInteger(int field, unsigned int index, int64_t value) { return Metadata_SetInteger(field, index, value); }
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ns_error_t SetReal(int field, unsigned int index, double value) { return Metadata_SetReal(field, index, value); }
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/* Art */
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ns_error_t GetArtwork(int field, unsigned int index, artwork_t *artwork, data_flags_t flags=DATA_FLAG_ALL) { return Metadata_GetArtwork(field, index, artwork, flags); }
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/* Binary Data */
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ns_error_t GetBinary(int field, unsigned int index, nx_data_t *data) { return Metadata_GetBinary(field, index, data); }
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/* sub-tracks */
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ns_error_t GetMetadata(int field, unsigned int index, ifc_metadata **metadata) { return Metadata_GetMetadata(field, index, metadata); }
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ns_error_t Serialize(nx_data_t *data) { return Metadata_Serialize(data); }
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enum
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{
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DISPATCHABLE_VERSION,
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};
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protected:
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virtual ns_error_t WASABICALL Metadata_GetField(int field, unsigned int index, nx_string_t *value)=0;
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virtual ns_error_t WASABICALL Metadata_GetInteger(int field, unsigned int index, int64_t *value)=0;
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virtual ns_error_t WASABICALL Metadata_GetReal(int field, unsigned int index, double *value)=0;
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virtual ns_error_t WASABICALL Metadata_SetField(int field, unsigned int index, nx_string_t value){ return NErr_NotImplemented; };
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virtual ns_error_t WASABICALL Metadata_SetInteger(int field, unsigned int index, int64_t value){ return NErr_NotImplemented; };
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virtual ns_error_t WASABICALL Metadata_SetReal(int field, unsigned int index, double value){ return NErr_NotImplemented; };
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/* notes:
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passing NULL for any of the pointers (most notably, data) indicates that it's not needed
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width and height aren't guaranteed to be actually accurate. they will be set only if it was marked in the file, otherwise they will be set to 0
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mime_type might also come back as 0 if it wasn't stored in the metadata. and again, mime_type isn't guaranteed to be accurate
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for type, MetadataKeys::ALBUM is for album art. use Metadata::UNKNOWN for unknown types, such as id3v2 tags with Picture types marked as "other" ($00)
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index should be as stored in the file, do not re-arrange. */
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virtual ns_error_t WASABICALL Metadata_GetArtwork(int field, unsigned int index, artwork_t *artwork, data_flags_t flags)=0;
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virtual ns_error_t WASABICALL Metadata_GetBinary(int field, unsigned int index, nx_data_t *data)=0;
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virtual ns_error_t WASABICALL Metadata_GetMetadata(int field, unsigned int index, ifc_metadata **metadata) { return NErr_NotImplemented; }
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virtual ns_error_t WASABICALL Metadata_Serialize(nx_data_t *data) { return NErr_NotImplemented; }
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};
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