findSyncWord()

int fl::third_party::Mp3Minimp3Decoder::findSyncWord	(	const fl::u8 *	buf,
		fl::size	len )

Definition at line 177 of file mp3.cpp.hpp.

                                                             {
    if (!buf || len < 4) {
        return -1;
    }
 
    for (fl::size i = 0; i <= len - 4; ++i) {
        const fl::u8 version = (buf[i + 1] >> 3) & 0x03;
        const fl::u8 layer = (buf[i + 1] >> 1) & 0x03;
        const fl::u8 bitrate = (buf[i + 2] >> 4) & 0x0f;
        const fl::u8 sample_rate = (buf[i + 2] >> 2) & 0x03;
        if (buf[i] == 0xff && (buf[i + 1] & 0xe0) == 0xe0 &&
            version != 0x01 && layer != 0x00 && bitrate != 0x0f &&
            sample_rate != 0x03) {
            return static_cast<int>(i);
        }
    }
    return -1;
}

References fl::FL_NO_EXCEPT.

Referenced by decode(), and fl::Mp3::parseMp3Info().

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