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Side by Side Diff: webrtc/modules/audio_processing/ns/nsx_core.c

Issue 1362503003: Use suffixed {uint,int}{8,16,32,64}_t types. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: google::int32 Created 5 years, 3 months ago
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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
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303 static void UpdateNoiseEstimate(NoiseSuppressionFixedC* inst, int offset) { 303 static void UpdateNoiseEstimate(NoiseSuppressionFixedC* inst, int offset) {
304 int32_t tmp32no1 = 0; 304 int32_t tmp32no1 = 0;
305 int32_t tmp32no2 = 0; 305 int32_t tmp32no2 = 0;
306 int16_t tmp16 = 0; 306 int16_t tmp16 = 0;
307 const int16_t kExp2Const = 11819; // Q13 307 const int16_t kExp2Const = 11819; // Q13
308 308
309 size_t i = 0; 309 size_t i = 0;
310 310
311 tmp16 = WebRtcSpl_MaxValueW16(inst->noiseEstLogQuantile + offset, 311 tmp16 = WebRtcSpl_MaxValueW16(inst->noiseEstLogQuantile + offset,
312 inst->magnLen); 312 inst->magnLen);
313 // Guarantee a Q-domain as high as possible and still fit in int16 313 // Guarantee a Q-domain as high as possible and still fit in int16_t
314 inst->qNoise = 14 - (int) WEBRTC_SPL_MUL_16_16_RSFT_WITH_ROUND( 314 inst->qNoise = 14 - (int) WEBRTC_SPL_MUL_16_16_RSFT_WITH_ROUND(
315 kExp2Const, tmp16, 21); 315 kExp2Const, tmp16, 21);
316 for (i = 0; i < inst->magnLen; i++) { 316 for (i = 0; i < inst->magnLen; i++) {
317 // inst->quantile[i]=exp(inst->lquantile[offset+i]); 317 // inst->quantile[i]=exp(inst->lquantile[offset+i]);
318 // in Q21 318 // in Q21
319 tmp32no2 = kExp2Const * inst->noiseEstLogQuantile[offset + i]; 319 tmp32no2 = kExp2Const * inst->noiseEstLogQuantile[offset + i];
320 tmp32no1 = (0x00200000 | (tmp32no2 & 0x001FFFFF)); // 2^21 + frac 320 tmp32no1 = (0x00200000 | (tmp32no2 & 0x001FFFFF)); // 2^21 + frac
321 tmp16 = (int16_t)(tmp32no2 >> 21); 321 tmp16 = (int16_t)(tmp32no2 >> 21);
322 tmp16 -= 21;// shift 21 to get result in Q0 322 tmp16 -= 21;// shift 21 to get result in Q0
323 tmp16 += (int16_t) inst->qNoise; //shift to get result in Q(qNoise) 323 tmp16 += (int16_t) inst->qNoise; //shift to get result in Q(qNoise)
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2103 2103
2104 //apply gain 2104 //apply gain
2105 for (i = 0; i < num_high_bands; ++i) { 2105 for (i = 0; i < num_high_bands; ++i) {
2106 for (j = 0; j < inst->blockLen10ms; j++) { 2106 for (j = 0; j < inst->blockLen10ms; j++) {
2107 outFrameHB[i][j] = (int16_t)((gainTimeDomainHB * 2107 outFrameHB[i][j] = (int16_t)((gainTimeDomainHB *
2108 inst->dataBufHBFX[i][j]) >> 14); // Q0 2108 inst->dataBufHBFX[i][j]) >> 14); // Q0
2109 } 2109 }
2110 } 2110 }
2111 } // end of H band gain computation 2111 } // end of H band gain computation
2112 } 2112 }
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