static void qdm2_fft_decode_tones (QDM2Context *q, int duration, GetBitContext *gb, int b)
{
    int channel, stereo, phase, exp;
    int local_int_4,  local_int_8,  stereo_phase,  local_int_10;
    int local_int_14, stereo_exp, local_int_20, local_int_28;
    int n, offset;

    local_int_4 = 0;
    local_int_28 = 0;
    local_int_20 = 2;
    local_int_8 = (4 - duration);
    local_int_10 = 1 << (q->group_order - duration - 1);
    offset = 1;

    while (1) {
        if (q->superblocktype_2_3) {
            while ((n = qdm2_get_vlc(gb, &vlc_tab_fft_tone_offset[local_int_8], 1, 2)) < 2) {
                offset = 1;
                if (n == 0) {
                    local_int_4 += local_int_10;
                    local_int_28 += (1 << local_int_8);
                } else {
                    local_int_4 += 8*local_int_10;
                    local_int_28 += (8 << local_int_8);
                }
            }
            offset += (n - 2);
        } else {
            offset += qdm2_get_vlc(gb, &vlc_tab_fft_tone_offset[local_int_8], 1, 2);
            while (offset >= (local_int_10 - 1)) {
                offset += (1 - (local_int_10 - 1));
                local_int_4  += local_int_10;
                local_int_28 += (1 << local_int_8);
            }
        }

        if (local_int_4 >= q->group_size)
            return;

        local_int_14 = (offset >> local_int_8);

        if (q->nb_channels > 1) {
            channel = get_bits1(gb);
            stereo = get_bits1(gb);
        } else {
            channel = 0;
            stereo = 0;
        }

        exp = qdm2_get_vlc(gb, (b ? &fft_level_exp_vlc : &fft_level_exp_alt_vlc), 0, 2);
        exp += q->fft_level_exp[fft_level_index_table[local_int_14]];
        exp = (exp < 0) ? 0 : exp;

        phase = get_bits(gb, 3);
        stereo_exp = 0;
        stereo_phase = 0;

        if (stereo) {
            stereo_exp = (exp - qdm2_get_vlc(gb, &fft_stereo_exp_vlc, 0, 1));
            stereo_phase = (phase - qdm2_get_vlc(gb, &fft_stereo_phase_vlc, 0, 1));
            if (stereo_phase < 0)
                stereo_phase += 8;
        }

        if (q->frequency_range > (local_int_14 + 1)) {
            int sub_packet = (local_int_20 + local_int_28);

            qdm2_fft_init_coefficient(q, sub_packet, offset, duration, channel, exp, phase);
            if (stereo)
                qdm2_fft_init_coefficient(q, sub_packet, offset, duration, (1 - channel), stereo_exp, stereo_phase);
        }

        offset++;
    }
}