Function decodeplane8

libavcodec/iff.c:405–418

* Decode interleaved plane buffer up to 8bpp * @param dst Destination buffer * @param buf Source buffer * @param buf_size * @param plane plane number to decode as */

 * @param plane plane number to decode as
 */
static void decodeplane8(uint8_t *dst, const uint8_t *buf, int buf_size, int plane)
{
    const uint64_t *lut;
    if (plane >= 8) {
        av_log(NULL, AV_LOG_WARNING, "Ignoring extra planes beyond 8\n");
        return;
    }
    lut = plane8_lut[plane];
    do {
        uint64_t v = AV_RN64A(dst) | lut[*buf++];
        AV_WN64A(dst, v);
        dst += 8;
    } while (--buf_size);
}

/**
 * Decode interleaved plane buffer up to 24bpp