OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
(...skipping 17 matching lines...) Expand all Loading... |
28 int16_t order_coef) { // order of the filter | 28 int16_t order_coef) { // order of the filter |
29 int n = 0; | 29 int n = 0; |
30 | 30 |
31 for (n = 0; n < HALF_SUBFRAMELEN - 1; n++) { | 31 for (n = 0; n < HALF_SUBFRAMELEN - 1; n++) { |
32 int k = 0; | 32 int k = 0; |
33 int16_t tmpAR = 0; | 33 int16_t tmpAR = 0; |
34 int32_t tmp32 = 0; | 34 int32_t tmp32 = 0; |
35 int32_t tmp32_2 = 0; | 35 int32_t tmp32_2 = 0; |
36 | 36 |
37 tmpAR = ar_f_Q0[n + 1]; | 37 tmpAR = ar_f_Q0[n + 1]; |
38 for (k = order_coef - 1; k >= 0; k--) { | 38 for (k = order_coef; k > 0; k--) { |
39 tmp32 = (cth_Q15[k] * tmpAR - sth_Q15[k] * ar_g_Q0[k] + 16384) >> 15; | 39 tmp32 = (cth_Q15[k - 1] * tmpAR - sth_Q15[k - 1] * ar_g_Q0[k - 1] + |
40 tmp32_2 = (sth_Q15[k] * tmpAR + cth_Q15[k] * ar_g_Q0[k] + 16384) >> 15; | 40 16384) >> 15; |
| 41 tmp32_2 = (sth_Q15[k - 1] * tmpAR + cth_Q15[k - 1] * ar_g_Q0[k - 1] + |
| 42 16384) >> 15; |
41 tmpAR = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); | 43 tmpAR = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); |
42 ar_g_Q0[k + 1] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32_2); | 44 ar_g_Q0[k] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32_2); |
43 } | 45 } |
44 ar_f_Q0[n + 1] = tmpAR; | 46 ar_f_Q0[n + 1] = tmpAR; |
45 ar_g_Q0[0] = tmpAR; | 47 ar_g_Q0[0] = tmpAR; |
46 } | 48 } |
47 } | 49 } |
OLD | NEW |