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Side by Side Diff: webrtc/modules/audio_coding/codecs/ilbc/enhancer_interface.c

Issue 1179953003: Revert "Upconvert various types to int." (Closed) Base URL: https://chromium.googlesource.com/external/webrtc@master
Patch Set: Created 5 years, 6 months ago
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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
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113 target = downsampled + 60 + iblock * ENH_BLOCKL_HALF; 113 target = downsampled + 60 + iblock * ENH_BLOCKL_HALF;
114 regressor = target - 10; 114 regressor = target - 10;
115 115
116 /* scaling */ 116 /* scaling */
117 max16=WebRtcSpl_MaxAbsValueW16(&regressor[-50], 117 max16=WebRtcSpl_MaxAbsValueW16(&regressor[-50],
118 (int16_t)(ENH_BLOCKL_HALF+50-1)); 118 (int16_t)(ENH_BLOCKL_HALF+50-1));
119 shifts = WebRtcSpl_GetSizeInBits((uint32_t)(max16 * max16)) - 25; 119 shifts = WebRtcSpl_GetSizeInBits((uint32_t)(max16 * max16)) - 25;
120 shifts = WEBRTC_SPL_MAX(0, shifts); 120 shifts = WEBRTC_SPL_MAX(0, shifts);
121 121
122 /* compute cross correlation */ 122 /* compute cross correlation */
123 WebRtcSpl_CrossCorrelation(corr32, target, regressor, ENH_BLOCKL_HALF, 50, 123 WebRtcSpl_CrossCorrelation(corr32, target, regressor,
124 shifts, -1); 124 ENH_BLOCKL_HALF, 50, (int16_t)shifts, -1);
125 125
126 /* Find 3 highest correlations that should be compared for the 126 /* Find 3 highest correlations that should be compared for the
127 highest (corr*corr)/ener */ 127 highest (corr*corr)/ener */
128 128
129 for (i=0;i<2;i++) { 129 for (i=0;i<2;i++) {
130 lagmax[i] = WebRtcSpl_MaxIndexW32(corr32, 50); 130 lagmax[i] = WebRtcSpl_MaxIndexW32(corr32, 50);
131 corrmax[i] = corr32[lagmax[i]]; 131 corrmax[i] = corr32[lagmax[i]];
132 start = lagmax[i] - 2; 132 start = lagmax[i] - 2;
133 stop = lagmax[i] + 2; 133 stop = lagmax[i] + 2;
134 start = WEBRTC_SPL_MAX(0, start); 134 start = WEBRTC_SPL_MAX(0, start);
(...skipping 64 matching lines...) Expand 10 before | Expand all | Expand 10 after
199 regressor=in+tlag-1; 199 regressor=in+tlag-1;
200 200
201 /* scaling */ 201 /* scaling */
202 max16=WebRtcSpl_MaxAbsValueW16(regressor, (int16_t)(plc_blockl+3-1)); 202 max16=WebRtcSpl_MaxAbsValueW16(regressor, (int16_t)(plc_blockl+3-1));
203 if (max16>5000) 203 if (max16>5000)
204 shifts=2; 204 shifts=2;
205 else 205 else
206 shifts=0; 206 shifts=0;
207 207
208 /* compute cross correlation */ 208 /* compute cross correlation */
209 WebRtcSpl_CrossCorrelation(corr32, target, regressor, plc_blockl, 3, shifts, 209 WebRtcSpl_CrossCorrelation(corr32, target, regressor,
210 1); 210 plc_blockl, 3, (int16_t)shifts, 1);
211 211
212 /* find lag */ 212 /* find lag */
213 lag=WebRtcSpl_MaxIndexW32(corr32, 3); 213 lag=WebRtcSpl_MaxIndexW32(corr32, 3);
214 lag+=tlag-1; 214 lag+=tlag-1;
215 215
216 /* Copy the backward PLC to plc_pred */ 216 /* Copy the backward PLC to plc_pred */
217 217
218 if (iLBCdec_inst->prev_enh_pl==1) { 218 if (iLBCdec_inst->prev_enh_pl==1) {
219 if (lag>plc_blockl) { 219 if (lag>plc_blockl) {
220 WEBRTC_SPL_MEMCPY_W16(plc_pred, &in[lag-plc_blockl], plc_blockl); 220 WEBRTC_SPL_MEMCPY_W16(plc_pred, &in[lag-plc_blockl], plc_blockl);
(...skipping 145 matching lines...) Expand 10 before | Expand all | Expand 10 after
366 WebRtcIlbcfix_Enhancer(out + iblock * ENH_BLOCKL, 366 WebRtcIlbcfix_Enhancer(out + iblock * ENH_BLOCKL,
367 enh_buf, 367 enh_buf,
368 ENH_BUFL, 368 ENH_BUFL,
369 (int16_t)(iblock * ENH_BLOCKL + startPos), 369 (int16_t)(iblock * ENH_BLOCKL + startPos),
370 enh_period, 370 enh_period,
371 (int16_t*)WebRtcIlbcfix_kEnhPlocs, ENH_NBLOCKS_TOT); 371 (int16_t*)WebRtcIlbcfix_kEnhPlocs, ENH_NBLOCKS_TOT);
372 } 372 }
373 373
374 return (lag); 374 return (lag);
375 } 375 }
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