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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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331 WebRtcSpl_MemSetW16(iLBCdec_inst->hpimemy, 0, 4); | 331 WebRtcSpl_MemSetW16(iLBCdec_inst->hpimemy, 0, 4); |
332 WebRtcSpl_MemSetW16(iLBCdec_inst->hpimemx, 0, 2); | 332 WebRtcSpl_MemSetW16(iLBCdec_inst->hpimemx, 0, 2); |
333 | 333 |
334 /* Initialize filter memory by filtering through 2 lags */ | 334 /* Initialize filter memory by filtering through 2 lags */ |
335 WEBRTC_SPL_MEMCPY_W16(&synt[-LPC_FILTERORDER], iLBCdec_inst->syntMem, | 335 WEBRTC_SPL_MEMCPY_W16(&synt[-LPC_FILTERORDER], iLBCdec_inst->syntMem, |
336 LPC_FILTERORDER); | 336 LPC_FILTERORDER); |
337 WebRtcSpl_FilterARFastQ12( | 337 WebRtcSpl_FilterARFastQ12( |
338 enh_bufPtr1, | 338 enh_bufPtr1, |
339 synt, | 339 synt, |
340 &iLBCdec_inst->old_syntdenum[ | 340 &iLBCdec_inst->old_syntdenum[ |
341 (iLBCdec_inst->nsub-1)*(LPC_FILTERORDER+1
)], | 341 (iLBCdec_inst->nsub-1)*(LPC_FILTERORDER+1)], |
342 LPC_FILTERORDER+1, (int16_t)lag); | 342 LPC_FILTERORDER+1, (int16_t)lag); |
343 | 343 |
344 WEBRTC_SPL_MEMCPY_W16(&synt[-LPC_FILTERORDER], &synt[lag-LPC_FILTERORDER], | 344 WEBRTC_SPL_MEMCPY_W16(&synt[-LPC_FILTERORDER], &synt[lag-LPC_FILTERORDER], |
345 LPC_FILTERORDER); | 345 LPC_FILTERORDER); |
346 WebRtcIlbcfix_HpOutput(synt, (int16_t*)WebRtcIlbcfix_kHpOutCoefs, | 346 WebRtcIlbcfix_HpOutput(synt, (int16_t*)WebRtcIlbcfix_kHpOutCoefs, |
347 iLBCdec_inst->hpimemy, iLBCdec_inst->hpimemx, | 347 iLBCdec_inst->hpimemy, iLBCdec_inst->hpimemx, |
348 (int16_t)lag); | 348 (int16_t)lag); |
349 WebRtcSpl_FilterARFastQ12( | 349 WebRtcSpl_FilterARFastQ12( |
350 enh_bufPtr1, synt, | 350 enh_bufPtr1, synt, |
351 &iLBCdec_inst->old_syntdenum[ | 351 &iLBCdec_inst->old_syntdenum[ |
352 (iLBCdec_inst->nsub-1)*(LPC_FILTERORDER+1
)], | 352 (iLBCdec_inst->nsub-1)*(LPC_FILTERORDER+1)], |
353 LPC_FILTERORDER+1, (int16_t)lag); | 353 LPC_FILTERORDER+1, (int16_t)lag); |
354 | 354 |
355 WEBRTC_SPL_MEMCPY_W16(iLBCdec_inst->syntMem, &synt[lag-LPC_FILTERORDER], | 355 WEBRTC_SPL_MEMCPY_W16(iLBCdec_inst->syntMem, &synt[lag-LPC_FILTERORDER], |
356 LPC_FILTERORDER); | 356 LPC_FILTERORDER); |
357 WebRtcIlbcfix_HpOutput(synt, (int16_t*)WebRtcIlbcfix_kHpOutCoefs, | 357 WebRtcIlbcfix_HpOutput(synt, (int16_t*)WebRtcIlbcfix_kHpOutCoefs, |
358 iLBCdec_inst->hpimemy, iLBCdec_inst->hpimemx, | 358 iLBCdec_inst->hpimemy, iLBCdec_inst->hpimemx, |
359 (int16_t)lag); | 359 (int16_t)lag); |
360 } | 360 } |
361 } | 361 } |
362 | 362 |
363 | 363 |
364 /* Perform enhancement block by block */ | 364 /* Perform enhancement block by block */ |
365 | 365 |
366 for (iblock = 0; iblock<new_blocks; iblock++) { | 366 for (iblock = 0; iblock<new_blocks; iblock++) { |
367 WebRtcIlbcfix_Enhancer(out + iblock * ENH_BLOCKL, | 367 WebRtcIlbcfix_Enhancer(out + iblock * ENH_BLOCKL, |
368 enh_buf, | 368 enh_buf, |
369 ENH_BUFL, | 369 ENH_BUFL, |
370 (int16_t)(iblock * ENH_BLOCKL + startPos), | 370 (int16_t)(iblock * ENH_BLOCKL + startPos), |
371 enh_period, | 371 enh_period, |
372 (int16_t*)WebRtcIlbcfix_kEnhPlocs, ENH_NBLOCKS_TOT); | 372 (int16_t*)WebRtcIlbcfix_kEnhPlocs, ENH_NBLOCKS_TOT); |
373 } | 373 } |
374 | 374 |
375 return (lag); | 375 return (lag); |
376 } | 376 } |
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