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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
11 #include "webrtc/modules/audio_processing/aecm/aecm_core.h" | 11 #include "webrtc/modules/audio_processing/aecm/aecm_core.h" |
12 | 12 |
13 #include <assert.h> | |
14 #include <stddef.h> | 13 #include <stddef.h> |
15 #include <stdlib.h> | 14 #include <stdlib.h> |
16 | 15 |
17 extern "C" { | 16 extern "C" { |
18 #include "webrtc/common_audio/ring_buffer.h" | 17 #include "webrtc/common_audio/ring_buffer.h" |
19 #include "webrtc/common_audio/signal_processing/include/real_fft.h" | 18 #include "webrtc/common_audio/signal_processing/include/real_fft.h" |
20 } | 19 } |
21 #include "webrtc/modules/audio_processing/aecm/echo_control_mobile.h" | 20 #include "webrtc/modules/audio_processing/aecm/echo_control_mobile.h" |
22 #include "webrtc/modules/audio_processing/utility/delay_estimator_wrapper.h" | 21 #include "webrtc/modules/audio_processing/utility/delay_estimator_wrapper.h" |
23 extern "C" { | 22 extern "C" { |
24 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h" | 23 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h" |
25 } | 24 } |
26 | 25 |
| 26 #include "webrtc/base/checks.h" |
27 #include "webrtc/typedefs.h" | 27 #include "webrtc/typedefs.h" |
28 | 28 |
29 #ifdef AEC_DEBUG | 29 #ifdef AEC_DEBUG |
30 FILE *dfile; | 30 FILE *dfile; |
31 FILE *testfile; | 31 FILE *testfile; |
32 #endif | 32 #endif |
33 | 33 |
34 const int16_t WebRtcAecm_kCosTable[] = { | 34 const int16_t WebRtcAecm_kCosTable[] = { |
35 8192, 8190, 8187, 8180, 8172, 8160, 8147, 8130, 8112, | 35 8192, 8190, 8187, 8180, 8172, 8160, 8147, 8130, 8112, |
36 8091, 8067, 8041, 8012, 7982, 7948, 7912, 7874, 7834, | 36 8091, 8067, 8041, 8012, 7982, 7948, 7912, 7874, 7834, |
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186 // - far_q : The Q-domain of the aligned far end spectrum | 186 // - far_q : The Q-domain of the aligned far end spectrum |
187 // | 187 // |
188 // Return value: | 188 // Return value: |
189 // - far_spectrum : Pointer to the aligned far end spectrum | 189 // - far_spectrum : Pointer to the aligned far end spectrum |
190 // NULL - Error | 190 // NULL - Error |
191 // | 191 // |
192 const uint16_t* WebRtcAecm_AlignedFarend(AecmCore* self, | 192 const uint16_t* WebRtcAecm_AlignedFarend(AecmCore* self, |
193 int* far_q, | 193 int* far_q, |
194 int delay) { | 194 int delay) { |
195 int buffer_position = 0; | 195 int buffer_position = 0; |
196 assert(self != NULL); | 196 RTC_DCHECK(self); |
197 buffer_position = self->far_history_pos - delay; | 197 buffer_position = self->far_history_pos - delay; |
198 | 198 |
199 // Check buffer position | 199 // Check buffer position |
200 if (buffer_position < 0) { | 200 if (buffer_position < 0) { |
201 buffer_position += MAX_DELAY; | 201 buffer_position += MAX_DELAY; |
202 } | 202 } |
203 // Get Q-domain | 203 // Get Q-domain |
204 *far_q = self->far_q_domains[buffer_position]; | 204 *far_q = self->far_q_domains[buffer_position]; |
205 // Return far end spectrum | 205 // Return far end spectrum |
206 return &(self->far_history[buffer_position * PART_LEN1]); | 206 return &(self->far_history[buffer_position * PART_LEN1]); |
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1222 memcpy(farend + readPos, aecm->farBuf + aecm->farBufReadPos, | 1222 memcpy(farend + readPos, aecm->farBuf + aecm->farBufReadPos, |
1223 sizeof(int16_t) * readLen); | 1223 sizeof(int16_t) * readLen); |
1224 aecm->farBufReadPos = 0; | 1224 aecm->farBufReadPos = 0; |
1225 readPos = readLen; | 1225 readPos = readLen; |
1226 readLen = farLen - readLen; | 1226 readLen = farLen - readLen; |
1227 } | 1227 } |
1228 memcpy(farend + readPos, aecm->farBuf + aecm->farBufReadPos, | 1228 memcpy(farend + readPos, aecm->farBuf + aecm->farBufReadPos, |
1229 sizeof(int16_t) * readLen); | 1229 sizeof(int16_t) * readLen); |
1230 aecm->farBufReadPos += readLen; | 1230 aecm->farBufReadPos += readLen; |
1231 } | 1231 } |
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