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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 /* | 11 /* |
| 12 * Contains the API functions for the AEC. | 12 * Contains the API functions for the AEC. |
| 13 */ | 13 */ |
| 14 #include "webrtc/modules/audio_processing/aec/include/echo_cancellation.h" | 14 #include "webrtc/modules/audio_processing/aec/echo_cancellation.h" |
| 15 | 15 |
| 16 #include <math.h> | 16 #include <math.h> |
| 17 #ifdef WEBRTC_AEC_DEBUG_DUMP | 17 #ifdef WEBRTC_AEC_DEBUG_DUMP |
| 18 #include <stdio.h> | 18 #include <stdio.h> |
| 19 #endif | 19 #endif |
| 20 #include <stdlib.h> | 20 #include <stdlib.h> |
| 21 #include <string.h> | 21 #include <string.h> |
| 22 | 22 |
| 23 #include "webrtc/common_audio/ring_buffer.h" | 23 #include "webrtc/common_audio/ring_buffer.h" |
| 24 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" | 24 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" |
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| 896 } | 896 } |
| 897 } else { | 897 } else { |
| 898 self->timeForDelayChange = 0; | 898 self->timeForDelayChange = 0; |
| 899 } | 899 } |
| 900 self->lastDelayDiff = delay_difference; | 900 self->lastDelayDiff = delay_difference; |
| 901 | 901 |
| 902 if (self->timeForDelayChange > 25) { | 902 if (self->timeForDelayChange > 25) { |
| 903 self->knownDelay = WEBRTC_SPL_MAX((int)self->filtDelay - 256, 0); | 903 self->knownDelay = WEBRTC_SPL_MAX((int)self->filtDelay - 256, 0); |
| 904 } | 904 } |
| 905 } | 905 } |
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