Esempio n. 1
0
        private void Parse2(Stream stream)
        {
            byte[] buffer = ID3Utils.Read(stream, 6);
            FrameID   = ID3Utils.ReadString(buffer, 0, 3, ID3Utils.Iso88591);
            FrameSize = ID3Utils.ReadInt32(buffer, 3, false, 3);

            //Flags not supported
            Flags = FrameFlags.None;
        }
Esempio n. 2
0
        private void Parse4(Stream stream)
        {
            byte[] buffer = ID3Utils.Read(stream, 10);
            FrameID   = ID3Utils.ReadString(buffer, 0, 4, ID3Utils.Iso88591);
            FrameSize = ID3Utils.ReadInt32(buffer, 4, true, 4);

            byte[] flags = new byte[] { buffer[8], buffer[9] };

            //%0abc0000 Framestatusflags
            if ((flags[0] & 0x40) == 0)
            {
                Flags |= FrameFlags.PreserveTagAltered;
            }
            if ((flags[0] & 0x20) == 0)
            {
                Flags |= FrameFlags.PreserveFileAltered;
            }
            if ((flags[0] & 0x10) != 0)
            {
                Flags |= FrameFlags.ReadOnly;
            }
            //%0h00kmnp Frameformatflags
            if ((flags[1] & 0x40) != 0)
            {
                Flags          |= FrameFlags.GroupIdentified;
                GroupIdentifier = ID3Utils.Read(stream, 1)[0];
                FrameSize      -= 1;
            }
            if ((flags[1] & 0x8) != 0)
            {
                Flags |= FrameFlags.Compressed;
            }
            if ((flags[1] & 0x4) != 0)
            {
                Flags            |= FrameFlags.Encrypted;
                _encryptionMethod = ID3Utils.Read(stream, 1)[0];
                FrameSize        -= 1;
            }
            if ((flags[1] & 0x2) != 0)
            {
                Flags |= FrameFlags.UnsyncApplied; //todo: tag allgemein benachrichtigen?
            }
            if ((flags[1] & 0x1) != 0)
            {
                Flags |= FrameFlags.DataLengthIndicatorPresent;
                _dataLengthIndicator = ID3Utils.ReadInt32(stream, true);
                FrameSize           -= 4;
            }
        }
Esempio n. 3
0
        private void Parse3(Stream stream)
        {
            byte[] buffer = ID3Utils.Read(stream, 10);
            FrameID   = ID3Utils.ReadString(buffer, 0, 4, ID3Utils.Iso88591);
            FrameSize = ID3Utils.ReadInt32(buffer, 4, false, 4);

            byte[] flags = new byte[] { buffer[8], buffer[9] };

            //%abc00000
            if ((flags[0] & 0x80) == 0)
            {
                Flags |= FrameFlags.PreserveTagAltered;
            }
            if ((flags[0] & 0x40) == 0)
            {
                Flags |= FrameFlags.PreserveFileAltered;
            }
            if ((flags[0] & 0x20) != 0)
            {
                Flags |= FrameFlags.ReadOnly;
            }
            //%ijk00000
            if ((flags[1] & 0x80) != 0)
            {
                Flags            |= FrameFlags.Compressed;
                _uncompressedSize = ID3Utils.ReadInt32(stream, false);
                FrameSize        -= 4;
            }
            if ((flags[1] & 0x40) != 0)
            {
                Flags            |= FrameFlags.Encrypted;
                _encryptionMethod = ID3Utils.Read(stream, 1)[0];
                FrameSize        -= 1;
            }
            if ((flags[1] & 0x20) != 0)
            {
                Flags          |= FrameFlags.GroupIdentified;
                GroupIdentifier = ID3Utils.Read(stream, 1)[0];
                FrameSize      -= 1;
            }
        }