static int jpeg2000_read_bitstream_packets(Jpeg2000DecoderContext *s)
{
    int ret = 0;
    int tileno;

    for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) {
        Jpeg2000Tile *tile = s->tile + tileno;

        if (ret = init_tile(s, tileno))
            return ret;

        s->g = tile->tile_part[0].tpg;
        if (ret = jpeg2000_decode_packets(s, tile))
            return ret;
    }

    return 0;
}
Unknown