class WahWah::ID3::ImageFrameBody
Constants
- TYPES
Public Instance Methods
mime_type()
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# File lib/wahwah/id3/image_frame_body.rb, line 30 def mime_type mime_type = @mime_type.downcase.yield_self { |type| type == 'jpg' ? 'jpeg' : type } @version > 2 ? mime_type : "image/#{mime_type}" end
parse()
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ID3v2.2 image frame structure:
Text encoding $xx Image format $xx xx xx Picture type $xx Description <text string according to encoding> $00 (00) Picture data <binary data>
ID3v2.3 and ID3v2.4 image frame structure:
Text encoding $xx MIME type <text string> $00 Picture type $xx Description <text string according to encoding> $00 (00) Picture data <binary data>
# File lib/wahwah/id3/image_frame_body.rb, line 50 def parse frame_format = @version > 2 ? 'CZ*Ca*' : 'Ca3Ca*' encoding_id, @mime_type, type_index, reset_content = @content.unpack(frame_format) encoding = ENCODING_MAPPING[encoding_id] _description, data = Helper.split_with_terminator(reset_content, ENCODING_TERMINATOR_SIZE[encoding]) @value = { data: data, mime_type: mime_type, type: TYPES[type_index] } end