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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 |
(...skipping 261 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
272 for (i=0;i<HALF_SUBFRAMELEN;i++) | 272 for (i=0;i<HALF_SUBFRAMELEN;i++) |
273 { | 273 { |
274 | 274 |
275 tmp32 = lat_inQ25[i + temp1] << 1; // Q25->Q26 | 275 tmp32 = lat_inQ25[i + temp1] << 1; // Q25->Q26 |
276 tmp32 = WEBRTC_SPL_MUL_16_32_RSFT16(inv_gain16, tmp32); //lat_in[]*inv_gai n in (Q(18-sh)*Q26)>>16 = Q(28-sh) | 276 tmp32 = WEBRTC_SPL_MUL_16_32_RSFT16(inv_gain16, tmp32); //lat_in[]*inv_gai n in (Q(18-sh)*Q26)>>16 = Q(28-sh) |
277 tmp32 = WEBRTC_SPL_SHIFT_W32(tmp32, -(28-sh)); // lat_in[]*inv_gain in Q0 | 277 tmp32 = WEBRTC_SPL_SHIFT_W32(tmp32, -(28-sh)); // lat_in[]*inv_gain in Q0 |
278 | 278 |
279 ARfQ0vec[i] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 | 279 ARfQ0vec[i] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 |
280 } | 280 } |
281 | 281 |
282 for (i=orderCoef-1;i>=0;i--) //get the state of f&g for the first input, for all orders | 282 // Get the state of f & g for the first input, for all orders. |
283 for (i = orderCoef - 1; i >= 0; i--) | |
283 { | 284 { |
kwiberg-webrtc
2015/06/10 11:58:32
Consider moving opening brace to line 283 while yo
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284 tmp32 = (cthQ15[i] * ARfQ0vec[0] - sthQ15[i] * stateGQ0[i] + 16384) >> 15; | 285 tmp32 = (cthQ15[i] * ARfQ0vec[0] - sthQ15[i] * stateGQ0[i] + 16384) >> 15; |
285 tmpAR = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 | 286 tmpAR = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 |
286 | 287 |
287 tmp32 = (sthQ15[i] * ARfQ0vec[0] + cthQ15[i] * stateGQ0[i] + 16384) >> 15; | 288 tmp32 = (sthQ15[i] * ARfQ0vec[0] + cthQ15[i] * stateGQ0[i] + 16384) >> 15; |
288 ARgQ0vec[i+1] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 | 289 ARgQ0vec[i+1] = (int16_t)WebRtcSpl_SatW32ToW16(tmp32); // Q0 |
289 ARfQ0vec[0] = tmpAR; | 290 ARfQ0vec[0] = tmpAR; |
290 } | 291 } |
291 ARgQ0vec[0] = ARfQ0vec[0]; | 292 ARgQ0vec[0] = ARfQ0vec[0]; |
292 | 293 |
293 // Filter ARgQ0vec[] and ARfQ0vec[] through coefficients cthQ15[] and sthQ15 []. | 294 // Filter ARgQ0vec[] and ARfQ0vec[] through coefficients cthQ15[] and sthQ15 []. |
294 WebRtcIsacfix_FilterArLoop(ARgQ0vec, ARfQ0vec, cthQ15, sthQ15, orderCoef); | 295 WebRtcIsacfix_FilterArLoop(ARgQ0vec, ARfQ0vec, cthQ15, sthQ15, orderCoef); |
295 | 296 |
296 for(n=0;n<HALF_SUBFRAMELEN;n++) | 297 for(n=0;n<HALF_SUBFRAMELEN;n++) |
297 { | 298 { |
298 lat_outQ0[n + temp1] = ARfQ0vec[n]; | 299 lat_outQ0[n + temp1] = ARfQ0vec[n]; |
299 } | 300 } |
300 | 301 |
301 | 302 |
302 /* cannot use memcpy in the following */ | 303 /* cannot use memcpy in the following */ |
303 | 304 |
304 for (i=0;i<ord_1;i++) | 305 for (i=0;i<ord_1;i++) |
305 { | 306 { |
306 stateGQ0[i] = ARgQ0vec[i]; | 307 stateGQ0[i] = ARgQ0vec[i]; |
307 } | 308 } |
308 } | 309 } |
309 | 310 |
310 return; | 311 return; |
311 } | 312 } |
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