1427 static void qdm2_fft_generate_tone(QDM2Context *q, FFTTone *tone)  in qdm2_fft_generate_tone()  argument
1434     tone->phase += tone->phase_shift;  in qdm2_fft_generate_tone()
1437     level = fft_tone_envelope_table[tone->duration][tone->time_index] * tone->level;  in qdm2_fft_generate_tone()
1438     c.im  = level * sin(tone->phase * iscale);  in qdm2_fft_generate_tone()
1439     c.re  = level * cos(tone->phase * iscale);  in qdm2_fft_generate_tone()
1442     if (tone->duration >= 3 || tone->cutoff >= 3) {  in qdm2_fft_generate_tone()
1443         tone->complex[0].im += c.im;  in qdm2_fft_generate_tone()
1444         tone->complex[0].re += c.re;  in qdm2_fft_generate_tone()
1445         tone->complex[1].im -= c.im;  in qdm2_fft_generate_tone()
1446         tone->complex[1].re -= c.re;  in qdm2_fft_generate_tone()
1448         f[1] = -tone->table[4];  in qdm2_fft_generate_tone()
1449         f[0] = tone->table[3] - tone->table[0];  in qdm2_fft_generate_tone()
1450         f[2] = 1.0 - tone->table[2] - tone->table[3];  in qdm2_fft_generate_tone()
1451         f[3] = tone->table[1] + tone->table[4] - 1.0;  in qdm2_fft_generate_tone()
1452         f[4] = tone->table[0] - tone->table[1];  in qdm2_fft_generate_tone()
1453         f[5] = tone->table[2];  in qdm2_fft_generate_tone()
1455             tone->complex[fft_cutoff_index_table[tone->cutoff][i]].re +=  in qdm2_fft_generate_tone()
1457             tone->complex[fft_cutoff_index_table[tone->cutoff][i]].im +=  in qdm2_fft_generate_tone()
1458                 c.im * ((tone->cutoff <= i) ? -f[i] : f[i]);  in qdm2_fft_generate_tone()
1461             tone->complex[i].re += c.re * f[i + 2];  in qdm2_fft_generate_tone()
1462             tone->complex[i].im += c.im * f[i + 2];  in qdm2_fft_generate_tone()
1467     if (++tone->time_index < ((1 << (5 - tone->duration)) - 1)) {  in qdm2_fft_generate_tone()
1468         memcpy(&q->fft_tones[q->fft_tone_end], tone, sizeof(FFTTone));  in qdm2_fft_generate_tone()
1514                 FFTTone tone;  in qdm2_fft_tone_synthesizer()  local
1525                         tone.cutoff = offset;  in qdm2_fft_tone_synthesizer()
1527                         tone.cutoff = (offset >= 60) ? 3 : 2;  in qdm2_fft_tone_synthesizer()
1529 …tone.level = (q->fft_coefs[j].exp < 0) ? 0.0 : fft_tone_level_table[q->superblocktype_2_3 ? 0 : 1]…  in qdm2_fft_tone_synthesizer()
1530                     tone.complex = &q->fft.complex[ch][offset];  in qdm2_fft_tone_synthesizer()
1531 …                tone.table = fft_tone_sample_table[i][q->fft_coefs[j].offset - (offset << four_i)];  in qdm2_fft_tone_synthesizer()
1532                     tone.phase = 64 * q->fft_coefs[j].phase - (offset << 8) - 128;  in qdm2_fft_tone_synthesizer()
1533                     tone.phase_shift = (2 * q->fft_coefs[j].offset + 1) << (7 - four_i);  in qdm2_fft_tone_synthesizer()
1534                     tone.duration = i;  in qdm2_fft_tone_synthesizer()
1535                     tone.time_index = 0;  in qdm2_fft_tone_synthesizer()
1537                     qdm2_fft_generate_tone(q, &tone);  in qdm2_fft_tone_synthesizer()