diff options
Diffstat (limited to 'Src/replicant/nswasabi/ID3v1Metadata.cpp')
| -rw-r--r-- | Src/replicant/nswasabi/ID3v1Metadata.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/Src/replicant/nswasabi/ID3v1Metadata.cpp b/Src/replicant/nswasabi/ID3v1Metadata.cpp new file mode 100644 index 00000000..2883401e --- /dev/null +++ b/Src/replicant/nswasabi/ID3v1Metadata.cpp @@ -0,0 +1,187 @@ +#include "ID3v1Metadata.h" +#include "metadata/MetadataKeys.h" +#include <stdlib.h> + +api_metadata *ID3v1Metadata::metadata_api=0; + +ID3v1Metadata::ID3v1Metadata() +{ + id3v1_tag=0; +} + +ID3v1Metadata::~ID3v1Metadata() +{ +} + +int ID3v1Metadata::Initialize(api_metadata *metadata_api) +{ + ID3v1Metadata::metadata_api = metadata_api; + return NErr_Success; +} + +int ID3v1Metadata::Initialize(nsid3v1_tag_t tag) +{ + id3v1_tag = tag; + this->metadata_api = metadata_api; + return NErr_Success; +} + +/* ifc_metadata implementation */ +int ID3v1Metadata::Metadata_GetField(int field, unsigned int index, nx_string_t *value) +{ + if (!id3v1_tag) + return NErr_Unknown; + + switch (field) + { + case MetadataKeys::TITLE: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Title(id3v1_tag, value); + case MetadataKeys::ARTIST: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Artist(id3v1_tag, value); + case MetadataKeys::ALBUM: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Album(id3v1_tag, value); + case MetadataKeys::YEAR: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Year(id3v1_tag, value); + case MetadataKeys::COMMENT: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Comment(id3v1_tag, value); + case MetadataKeys::TRACK: + return index?NErr_EndOfEnumeration:NSID3v1_Get_Track(id3v1_tag, value); + case MetadataKeys::GENRE: + { + if (!metadata_api) + return NErr_Unknown; + if (index > 0) + return NErr_EndOfEnumeration; + + uint8_t genre_id; + int ret = NSID3v1_Int_Get_Genre(id3v1_tag, &genre_id); + if (ret != NErr_Success) + return ret; + + nx_string_t genre; + ret = metadata_api->GetGenre(genre_id, &genre); + if (ret == NErr_Success) + { + *value = NXStringRetain(genre); + return NErr_Success; + } + else if (ret == NErr_Unknown) + { + return NErr_Empty; + } + else + { + return ret; + } + } + } + + return NErr_Unknown; +} + +int ID3v1Metadata::Metadata_GetInteger(int field, unsigned int index, int64_t *value) +{ + if (!id3v1_tag) + return NErr_Unknown; + + switch (field) + { + case MetadataKeys::YEAR: + { + if (index > 0) + return NErr_EndOfEnumeration; + unsigned int year; + int ret = NSID3v1_Int_Get_Year(id3v1_tag, &year); + if (ret == NErr_Success) + *value = (int64_t)year; + return ret; + } + case MetadataKeys::TRACK: + { + if (index > 0) + return NErr_EndOfEnumeration; + uint8_t track; + int ret = NSID3v1_Int_Get_Track(id3v1_tag, &track); + if (ret == NErr_Success) + *value = (int64_t)track; + return ret; + } + } + return NErr_Unknown; +} + +int ID3v1Metadata::Metadata_GetReal(int field, unsigned int index, double *value) +{ + if (!id3v1_tag) + return NErr_Unknown; + + return NErr_Unknown; +} + +int ID3v1Metadata::MetadataEditor_SetField(int field, unsigned int index, nx_string_t value) +{ + if (!id3v1_tag) + return NErr_NullPointer; + + switch (field) + { + case MetadataKeys::TITLE: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Title(id3v1_tag, value); + case MetadataKeys::ARTIST: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Artist(id3v1_tag, value); + case MetadataKeys::ALBUM: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Album(id3v1_tag, value); + case MetadataKeys::YEAR: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Year(id3v1_tag, value); + case MetadataKeys::COMMENT: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Comment(id3v1_tag, value); + case MetadataKeys::TRACK: + return index?NErr_EndOfEnumeration:NSID3v1_Set_Track(id3v1_tag, value); + + case MetadataKeys::GENRE: + { + if (!metadata_api) + return NErr_Unknown; + if (index > 0) + return NErr_EndOfEnumeration; + + uint8_t genre_id; + int ret = metadata_api->GetGenreID(value, &genre_id); + if (ret == NErr_Success) + return NSID3v1_Int_Set_Genre(id3v1_tag, genre_id); + else + return NSID3v1_Int_Set_Genre(id3v1_tag, 0xFF); + } + + + } + + return NErr_Unknown; +} + +int ID3v1Metadata::MetadataEditor_SetInteger(int field, unsigned int index, int64_t value) +{ + if (!id3v1_tag) + return NErr_NullPointer; + + if (index != 0) + return NErr_EndOfEnumeration; + + switch (field) + { + case MetadataKeys::YEAR: + return NSID3v1_Int_Set_Year(id3v1_tag, (unsigned int)value); + case MetadataKeys::TRACK: + if (value < 0 || value > 255) + return NErr_ParameterOutOfRange; + return NSID3v1_Int_Set_Track(id3v1_tag, (uint8_t)value); + case MetadataKeys::GENRE: + if (value < 0 || value > 255) + return NErr_ParameterOutOfRange; + return NSID3v1_Int_Set_Genre(id3v1_tag, (uint8_t)value); + } + + return NErr_Unknown; +} + +#undef DESCRIPTION |