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(MP3): seek for frame sync in first 256 bytes.
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@ -98,13 +98,22 @@ namespace GameRes.Formats
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{
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var header = file.ReadHeader (10).ToArray();
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long start_offset = SkipId3Tag (header);
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int sync_pos = 0;
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if (0 != start_offset)
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{
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file.Position = start_offset;
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if (4 != file.Read (header, 0, 4))
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return null;
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}
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if (0xff != header[0] || 0xe2 != (header[1] & 0xe6) || 0xf0 == (header[2] & 0xf0))
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else if (0xFF != header[0])
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{
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file.Position = 1;
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header = file.ReadBytes (0x100);
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sync_pos = System.Array.IndexOf<byte> (header, 0xFF, 1, 0xFC);
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if (-1 == sync_pos)
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return null;
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}
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if (0xFF != header[sync_pos] || 0xE2 != (header[sync_pos+1] & 0xE6) || 0xF0 == (header[sync_pos+2] & 0xF0))
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return null;
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file.Position = 0;
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return new Mp3Input (file.AsStream);
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