diff options
Diffstat (limited to 'webrtc/modules/audio_processing/aec/aec_core_mips.c')
-rw-r--r-- | webrtc/modules/audio_processing/aec/aec_core_mips.c | 774 |
1 files changed, 0 insertions, 774 deletions
diff --git a/webrtc/modules/audio_processing/aec/aec_core_mips.c b/webrtc/modules/audio_processing/aec/aec_core_mips.c deleted file mode 100644 index bb33087..0000000 --- a/webrtc/modules/audio_processing/aec/aec_core_mips.c +++ /dev/null @@ -1,774 +0,0 @@ -/* - * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -/* - * The core AEC algorithm, which is presented with time-aligned signals. - */ - -#include "webrtc/modules/audio_processing/aec/aec_core.h" - -#include <math.h> - -#include "webrtc/common_audio/signal_processing/include/signal_processing_library.h" -#include "webrtc/modules/audio_processing/aec/aec_core_internal.h" -#include "webrtc/modules/audio_processing/aec/aec_rdft.h" - -static const int flagHbandCn = 1; // flag for adding comfort noise in H band -extern const float WebRtcAec_weightCurve[65]; -extern const float WebRtcAec_overDriveCurve[65]; - -void WebRtcAec_ComfortNoise_mips(AecCore* aec, - float efw[2][PART_LEN1], - complex_t* comfortNoiseHband, - const float* noisePow, - const float* lambda) { - int i, num; - float rand[PART_LEN]; - float noise, noiseAvg, tmp, tmpAvg; - int16_t randW16[PART_LEN]; - complex_t u[PART_LEN1]; - - const float pi2 = 6.28318530717959f; - const float pi2t = pi2 / 32768; - - // Generate a uniform random array on [0 1] - WebRtcSpl_RandUArray(randW16, PART_LEN, &aec->seed); - - int16_t* randWptr = randW16; - float randTemp, randTemp2, randTemp3, randTemp4; - int32_t tmp1s, tmp2s, tmp3s, tmp4s; - - for (i = 0; i < PART_LEN; i+=4) { - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "lh %[tmp1s], 0(%[randWptr]) \n\t" - "lh %[tmp2s], 2(%[randWptr]) \n\t" - "lh %[tmp3s], 4(%[randWptr]) \n\t" - "lh %[tmp4s], 6(%[randWptr]) \n\t" - "mtc1 %[tmp1s], %[randTemp] \n\t" - "mtc1 %[tmp2s], %[randTemp2] \n\t" - "mtc1 %[tmp3s], %[randTemp3] \n\t" - "mtc1 %[tmp4s], %[randTemp4] \n\t" - "cvt.s.w %[randTemp], %[randTemp] \n\t" - "cvt.s.w %[randTemp2], %[randTemp2] \n\t" - "cvt.s.w %[randTemp3], %[randTemp3] \n\t" - "cvt.s.w %[randTemp4], %[randTemp4] \n\t" - "addiu %[randWptr], %[randWptr], 8 \n\t" - "mul.s %[randTemp], %[randTemp], %[pi2t] \n\t" - "mul.s %[randTemp2], %[randTemp2], %[pi2t] \n\t" - "mul.s %[randTemp3], %[randTemp3], %[pi2t] \n\t" - "mul.s %[randTemp4], %[randTemp4], %[pi2t] \n\t" - ".set pop \n\t" - : [randWptr] "+r" (randWptr), [randTemp] "=&f" (randTemp), - [randTemp2] "=&f" (randTemp2), [randTemp3] "=&f" (randTemp3), - [randTemp4] "=&f" (randTemp4), [tmp1s] "=&r" (tmp1s), - [tmp2s] "=&r" (tmp2s), [tmp3s] "=&r" (tmp3s), - [tmp4s] "=&r" (tmp4s) - : [pi2t] "f" (pi2t) - : "memory" - ); - - u[i+1][0] = cosf(randTemp); - u[i+1][1] = sinf(randTemp); - u[i+2][0] = cosf(randTemp2); - u[i+2][1] = sinf(randTemp2); - u[i+3][0] = cosf(randTemp3); - u[i+3][1] = sinf(randTemp3); - u[i+4][0] = cosf(randTemp4); - u[i+4][1] = sinf(randTemp4); - } - - // Reject LF noise - float* u_ptr = &u[1][0]; - float noise2, noise3, noise4; - float tmp1f, tmp2f, tmp3f, tmp4f, tmp5f, tmp6f, tmp7f, tmp8f; - - u[0][0] = 0; - u[0][1] = 0; - for (i = 1; i < PART_LEN1; i+=4) { - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "lwc1 %[noise], 4(%[noisePow]) \n\t" - "lwc1 %[noise2], 8(%[noisePow]) \n\t" - "lwc1 %[noise3], 12(%[noisePow]) \n\t" - "lwc1 %[noise4], 16(%[noisePow]) \n\t" - "sqrt.s %[noise], %[noise] \n\t" - "sqrt.s %[noise2], %[noise2] \n\t" - "sqrt.s %[noise3], %[noise3] \n\t" - "sqrt.s %[noise4], %[noise4] \n\t" - "lwc1 %[tmp1f], 0(%[u_ptr]) \n\t" - "lwc1 %[tmp2f], 4(%[u_ptr]) \n\t" - "lwc1 %[tmp3f], 8(%[u_ptr]) \n\t" - "lwc1 %[tmp4f], 12(%[u_ptr]) \n\t" - "lwc1 %[tmp5f], 16(%[u_ptr]) \n\t" - "lwc1 %[tmp6f], 20(%[u_ptr]) \n\t" - "lwc1 %[tmp7f], 24(%[u_ptr]) \n\t" - "lwc1 %[tmp8f], 28(%[u_ptr]) \n\t" - "addiu %[noisePow], %[noisePow], 16 \n\t" - "mul.s %[tmp1f], %[tmp1f], %[noise] \n\t" - "mul.s %[tmp2f], %[tmp2f], %[noise] \n\t" - "mul.s %[tmp3f], %[tmp3f], %[noise2] \n\t" - "mul.s %[tmp4f], %[tmp4f], %[noise2] \n\t" - "mul.s %[tmp5f], %[tmp5f], %[noise3] \n\t" - "mul.s %[tmp6f], %[tmp6f], %[noise3] \n\t" - "swc1 %[tmp1f], 0(%[u_ptr]) \n\t" - "swc1 %[tmp3f], 8(%[u_ptr]) \n\t" - "mul.s %[tmp8f], %[tmp8f], %[noise4] \n\t" - "mul.s %[tmp7f], %[tmp7f], %[noise4] \n\t" - "neg.s %[tmp2f] \n\t" - "neg.s %[tmp4f] \n\t" - "neg.s %[tmp6f] \n\t" - "neg.s %[tmp8f] \n\t" - "swc1 %[tmp5f], 16(%[u_ptr]) \n\t" - "swc1 %[tmp7f], 24(%[u_ptr]) \n\t" - "swc1 %[tmp2f], 4(%[u_ptr]) \n\t" - "swc1 %[tmp4f], 12(%[u_ptr]) \n\t" - "swc1 %[tmp6f], 20(%[u_ptr]) \n\t" - "swc1 %[tmp8f], 28(%[u_ptr]) \n\t" - "addiu %[u_ptr], %[u_ptr], 32 \n\t" - ".set pop \n\t" - : [u_ptr] "+r" (u_ptr), [noisePow] "+r" (noisePow), - [noise] "=&f" (noise), [noise2] "=&f" (noise2), - [noise3] "=&f" (noise3), [noise4] "=&f" (noise4), - [tmp1f] "=&f" (tmp1f), [tmp2f] "=&f" (tmp2f), - [tmp3f] "=&f" (tmp3f), [tmp4f] "=&f" (tmp4f), - [tmp5f] "=&f" (tmp5f), [tmp6f] "=&f" (tmp6f), - [tmp7f] "=&f" (tmp7f), [tmp8f] "=&f" (tmp8f) - : - : "memory" - ); - } - u[PART_LEN][1] = 0; - noisePow -= PART_LEN; - - u_ptr = &u[0][0]; - float* u_ptr_end = &u[PART_LEN][0]; - float* efw_ptr_0 = &efw[0][0]; - float* efw_ptr_1 = &efw[1][0]; - float tmp9f, tmp10f; - const float tmp1c = 1.0; - - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "1: \n\t" - "lwc1 %[tmp1f], 0(%[lambda]) \n\t" - "lwc1 %[tmp6f], 4(%[lambda]) \n\t" - "addiu %[lambda], %[lambda], 8 \n\t" - "c.lt.s %[tmp1f], %[tmp1c] \n\t" - "bc1f 4f \n\t" - " nop \n\t" - "c.lt.s %[tmp6f], %[tmp1c] \n\t" - "bc1f 3f \n\t" - " nop \n\t" - "2: \n\t" - "mul.s %[tmp1f], %[tmp1f], %[tmp1f] \n\t" - "mul.s %[tmp6f], %[tmp6f], %[tmp6f] \n\t" - "sub.s %[tmp1f], %[tmp1c], %[tmp1f] \n\t" - "sub.s %[tmp6f], %[tmp1c], %[tmp6f] \n\t" - "sqrt.s %[tmp1f], %[tmp1f] \n\t" - "sqrt.s %[tmp6f], %[tmp6f] \n\t" - "lwc1 %[tmp2f], 0(%[efw_ptr_0]) \n\t" - "lwc1 %[tmp3f], 0(%[u_ptr]) \n\t" - "lwc1 %[tmp7f], 4(%[efw_ptr_0]) \n\t" - "lwc1 %[tmp8f], 8(%[u_ptr]) \n\t" - "lwc1 %[tmp4f], 0(%[efw_ptr_1]) \n\t" - "lwc1 %[tmp5f], 4(%[u_ptr]) \n\t" - "lwc1 %[tmp9f], 4(%[efw_ptr_1]) \n\t" - "lwc1 %[tmp10f], 12(%[u_ptr]) \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[tmp3f], %[tmp1f], %[tmp3f] \n\t" - "add.s %[tmp2f], %[tmp2f], %[tmp3f] \n\t" - "mul.s %[tmp3f], %[tmp1f], %[tmp5f] \n\t" - "add.s %[tmp4f], %[tmp4f], %[tmp3f] \n\t" - "mul.s %[tmp3f], %[tmp6f], %[tmp8f] \n\t" - "add.s %[tmp7f], %[tmp7f], %[tmp3f] \n\t" - "mul.s %[tmp3f], %[tmp6f], %[tmp10f] \n\t" - "add.s %[tmp9f], %[tmp9f], %[tmp3f] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "madd.s %[tmp2f], %[tmp2f], %[tmp1f], %[tmp3f] \n\t" - "madd.s %[tmp4f], %[tmp4f], %[tmp1f], %[tmp5f] \n\t" - "madd.s %[tmp7f], %[tmp7f], %[tmp6f], %[tmp8f] \n\t" - "madd.s %[tmp9f], %[tmp9f], %[tmp6f], %[tmp10f] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[tmp2f], 0(%[efw_ptr_0]) \n\t" - "swc1 %[tmp4f], 0(%[efw_ptr_1]) \n\t" - "swc1 %[tmp7f], 4(%[efw_ptr_0]) \n\t" - "b 5f \n\t" - " swc1 %[tmp9f], 4(%[efw_ptr_1]) \n\t" - "3: \n\t" - "mul.s %[tmp1f], %[tmp1f], %[tmp1f] \n\t" - "sub.s %[tmp1f], %[tmp1c], %[tmp1f] \n\t" - "sqrt.s %[tmp1f], %[tmp1f] \n\t" - "lwc1 %[tmp2f], 0(%[efw_ptr_0]) \n\t" - "lwc1 %[tmp3f], 0(%[u_ptr]) \n\t" - "lwc1 %[tmp4f], 0(%[efw_ptr_1]) \n\t" - "lwc1 %[tmp5f], 4(%[u_ptr]) \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[tmp3f], %[tmp1f], %[tmp3f] \n\t" - "add.s %[tmp2f], %[tmp2f], %[tmp3f] \n\t" - "mul.s %[tmp3f], %[tmp1f], %[tmp5f] \n\t" - "add.s %[tmp4f], %[tmp4f], %[tmp3f] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "madd.s %[tmp2f], %[tmp2f], %[tmp1f], %[tmp3f] \n\t" - "madd.s %[tmp4f], %[tmp4f], %[tmp1f], %[tmp5f] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[tmp2f], 0(%[efw_ptr_0]) \n\t" - "b 5f \n\t" - " swc1 %[tmp4f], 0(%[efw_ptr_1]) \n\t" - "4: \n\t" - "c.lt.s %[tmp6f], %[tmp1c] \n\t" - "bc1f 5f \n\t" - " nop \n\t" - "mul.s %[tmp6f], %[tmp6f], %[tmp6f] \n\t" - "sub.s %[tmp6f], %[tmp1c], %[tmp6f] \n\t" - "sqrt.s %[tmp6f], %[tmp6f] \n\t" - "lwc1 %[tmp7f], 4(%[efw_ptr_0]) \n\t" - "lwc1 %[tmp8f], 8(%[u_ptr]) \n\t" - "lwc1 %[tmp9f], 4(%[efw_ptr_1]) \n\t" - "lwc1 %[tmp10f], 12(%[u_ptr]) \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[tmp3f], %[tmp6f], %[tmp8f] \n\t" - "add.s %[tmp7f], %[tmp7f], %[tmp3f] \n\t" - "mul.s %[tmp3f], %[tmp6f], %[tmp10f] \n\t" - "add.s %[tmp9f], %[tmp9f], %[tmp3f] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "madd.s %[tmp7f], %[tmp7f], %[tmp6f], %[tmp8f] \n\t" - "madd.s %[tmp9f], %[tmp9f], %[tmp6f], %[tmp10f] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[tmp7f], 4(%[efw_ptr_0]) \n\t" - "swc1 %[tmp9f], 4(%[efw_ptr_1]) \n\t" - "5: \n\t" - "addiu %[u_ptr], %[u_ptr], 16 \n\t" - "addiu %[efw_ptr_0], %[efw_ptr_0], 8 \n\t" - "bne %[u_ptr], %[u_ptr_end], 1b \n\t" - " addiu %[efw_ptr_1], %[efw_ptr_1], 8 \n\t" - ".set pop \n\t" - : [lambda] "+r" (lambda), [u_ptr] "+r" (u_ptr), - [efw_ptr_0] "+r" (efw_ptr_0), [efw_ptr_1] "+r" (efw_ptr_1), - [tmp1f] "=&f" (tmp1f), [tmp2f] "=&f" (tmp2f), [tmp3f] "=&f" (tmp3f), - [tmp4f] "=&f" (tmp4f), [tmp5f] "=&f" (tmp5f), - [tmp6f] "=&f" (tmp6f), [tmp7f] "=&f" (tmp7f), [tmp8f] "=&f" (tmp8f), - [tmp9f] "=&f" (tmp9f), [tmp10f] "=&f" (tmp10f) - : [tmp1c] "f" (tmp1c), [u_ptr_end] "r" (u_ptr_end) - : "memory" - ); - - lambda -= PART_LEN; - tmp = sqrtf(WEBRTC_SPL_MAX(1 - lambda[PART_LEN] * lambda[PART_LEN], 0)); - //tmp = 1 - lambda[i]; - efw[0][PART_LEN] += tmp * u[PART_LEN][0]; - efw[1][PART_LEN] += tmp * u[PART_LEN][1]; - - // For H band comfort noise - // TODO: don't compute noise and "tmp" twice. Use the previous results. - noiseAvg = 0.0; - tmpAvg = 0.0; - num = 0; - if ((aec->sampFreq == 32000 || aec->sampFreq == 48000) && flagHbandCn == 1) { - for (i = 0; i < PART_LEN; i++) { - rand[i] = ((float)randW16[i]) / 32768; - } - - // average noise scale - // average over second half of freq spectrum (i.e., 4->8khz) - // TODO: we shouldn't need num. We know how many elements we're summing. - for (i = PART_LEN1 >> 1; i < PART_LEN1; i++) { - num++; - noiseAvg += sqrtf(noisePow[i]); - } - noiseAvg /= (float)num; - - // average nlp scale - // average over second half of freq spectrum (i.e., 4->8khz) - // TODO: we shouldn't need num. We know how many elements we're summing. - num = 0; - for (i = PART_LEN1 >> 1; i < PART_LEN1; i++) { - num++; - tmpAvg += sqrtf(WEBRTC_SPL_MAX(1 - lambda[i] * lambda[i], 0)); - } - tmpAvg /= (float)num; - - // Use average noise for H band - // TODO: we should probably have a new random vector here. - // Reject LF noise - u[0][0] = 0; - u[0][1] = 0; - for (i = 1; i < PART_LEN1; i++) { - tmp = pi2 * rand[i - 1]; - - // Use average noise for H band - u[i][0] = noiseAvg * (float)cos(tmp); - u[i][1] = -noiseAvg * (float)sin(tmp); - } - u[PART_LEN][1] = 0; - - for (i = 0; i < PART_LEN1; i++) { - // Use average NLP weight for H band - comfortNoiseHband[i][0] = tmpAvg * u[i][0]; - comfortNoiseHband[i][1] = tmpAvg * u[i][1]; - } - } -} - -void WebRtcAec_FilterFar_mips(AecCore* aec, float yf[2][PART_LEN1]) { - int i; - for (i = 0; i < aec->num_partitions; i++) { - int xPos = (i + aec->xfBufBlockPos) * PART_LEN1; - int pos = i * PART_LEN1; - // Check for wrap - if (i + aec->xfBufBlockPos >= aec->num_partitions) { - xPos -= aec->num_partitions * (PART_LEN1); - } - float* yf0 = yf[0]; - float* yf1 = yf[1]; - float* aRe = aec->xfBuf[0] + xPos; - float* aIm = aec->xfBuf[1] + xPos; - float* bRe = aec->wfBuf[0] + pos; - float* bIm = aec->wfBuf[1] + pos; - float f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13; - int len = PART_LEN1 >> 1; - - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "1: \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[bRe]) \n\t" - "lwc1 %[f2], 0(%[bIm]) \n\t" - "lwc1 %[f3], 0(%[aIm]) \n\t" - "lwc1 %[f4], 4(%[aRe]) \n\t" - "lwc1 %[f5], 4(%[bRe]) \n\t" - "lwc1 %[f6], 4(%[bIm]) \n\t" - "mul.s %[f8], %[f0], %[f1] \n\t" - "mul.s %[f0], %[f0], %[f2] \n\t" - "mul.s %[f9], %[f4], %[f5] \n\t" - "mul.s %[f4], %[f4], %[f6] \n\t" - "lwc1 %[f7], 4(%[aIm]) \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[f12], %[f2], %[f3] \n\t" - "mul.s %[f1], %[f3], %[f1] \n\t" - "mul.s %[f11], %[f6], %[f7] \n\t" - "addiu %[aRe], %[aRe], 8 \n\t" - "addiu %[aIm], %[aIm], 8 \n\t" - "addiu %[len], %[len], -1 \n\t" - "sub.s %[f8], %[f8], %[f12] \n\t" - "mul.s %[f12], %[f7], %[f5] \n\t" - "lwc1 %[f2], 0(%[yf0]) \n\t" - "add.s %[f1], %[f0], %[f1] \n\t" - "lwc1 %[f3], 0(%[yf1]) \n\t" - "sub.s %[f9], %[f9], %[f11] \n\t" - "lwc1 %[f6], 4(%[yf0]) \n\t" - "add.s %[f4], %[f4], %[f12] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "addiu %[aRe], %[aRe], 8 \n\t" - "addiu %[aIm], %[aIm], 8 \n\t" - "addiu %[len], %[len], -1 \n\t" - "nmsub.s %[f8], %[f8], %[f2], %[f3] \n\t" - "lwc1 %[f2], 0(%[yf0]) \n\t" - "madd.s %[f1], %[f0], %[f3], %[f1] \n\t" - "lwc1 %[f3], 0(%[yf1]) \n\t" - "nmsub.s %[f9], %[f9], %[f6], %[f7] \n\t" - "lwc1 %[f6], 4(%[yf0]) \n\t" - "madd.s %[f4], %[f4], %[f7], %[f5] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "lwc1 %[f5], 4(%[yf1]) \n\t" - "add.s %[f2], %[f2], %[f8] \n\t" - "addiu %[bRe], %[bRe], 8 \n\t" - "addiu %[bIm], %[bIm], 8 \n\t" - "add.s %[f3], %[f3], %[f1] \n\t" - "add.s %[f6], %[f6], %[f9] \n\t" - "add.s %[f5], %[f5], %[f4] \n\t" - "swc1 %[f2], 0(%[yf0]) \n\t" - "swc1 %[f3], 0(%[yf1]) \n\t" - "swc1 %[f6], 4(%[yf0]) \n\t" - "swc1 %[f5], 4(%[yf1]) \n\t" - "addiu %[yf0], %[yf0], 8 \n\t" - "bgtz %[len], 1b \n\t" - " addiu %[yf1], %[yf1], 8 \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[bRe]) \n\t" - "lwc1 %[f2], 0(%[bIm]) \n\t" - "lwc1 %[f3], 0(%[aIm]) \n\t" - "mul.s %[f8], %[f0], %[f1] \n\t" - "mul.s %[f0], %[f0], %[f2] \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[f12], %[f2], %[f3] \n\t" - "mul.s %[f1], %[f3], %[f1] \n\t" - "sub.s %[f8], %[f8], %[f12] \n\t" - "lwc1 %[f2], 0(%[yf0]) \n\t" - "add.s %[f1], %[f0], %[f1] \n\t" - "lwc1 %[f3], 0(%[yf1]) \n\t" -#else // #if !defined(MIPS32_R2_LE) - "nmsub.s %[f8], %[f8], %[f2], %[f3] \n\t" - "lwc1 %[f2], 0(%[yf0]) \n\t" - "madd.s %[f1], %[f0], %[f3], %[f1] \n\t" - "lwc1 %[f3], 0(%[yf1]) \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "add.s %[f2], %[f2], %[f8] \n\t" - "add.s %[f3], %[f3], %[f1] \n\t" - "swc1 %[f2], 0(%[yf0]) \n\t" - "swc1 %[f3], 0(%[yf1]) \n\t" - ".set pop \n\t" - : [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), - [f3] "=&f" (f3), [f4] "=&f" (f4), [f5] "=&f" (f5), - [f6] "=&f" (f6), [f7] "=&f" (f7), [f8] "=&f" (f8), - [f9] "=&f" (f9), [f10] "=&f" (f10), [f11] "=&f" (f11), - [f12] "=&f" (f12), [f13] "=&f" (f13), [aRe] "+r" (aRe), - [aIm] "+r" (aIm), [bRe] "+r" (bRe), [bIm] "+r" (bIm), - [yf0] "+r" (yf0), [yf1] "+r" (yf1), [len] "+r" (len) - : - : "memory" - ); - } -} - -void WebRtcAec_FilterAdaptation_mips(AecCore* aec, - float* fft, - float ef[2][PART_LEN1]) { - int i; - for (i = 0; i < aec->num_partitions; i++) { - int xPos = (i + aec->xfBufBlockPos)*(PART_LEN1); - int pos; - // Check for wrap - if (i + aec->xfBufBlockPos >= aec->num_partitions) { - xPos -= aec->num_partitions * PART_LEN1; - } - - pos = i * PART_LEN1; - float* aRe = aec->xfBuf[0] + xPos; - float* aIm = aec->xfBuf[1] + xPos; - float* bRe = ef[0]; - float* bIm = ef[1]; - float* fft_tmp; - - float f0, f1, f2, f3, f4, f5, f6 ,f7, f8, f9, f10, f11, f12; - int len = PART_LEN >> 1; - - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "addiu %[fft_tmp], %[fft], 0 \n\t" - "1: \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[bRe]) \n\t" - "lwc1 %[f2], 0(%[bIm]) \n\t" - "lwc1 %[f4], 4(%[aRe]) \n\t" - "lwc1 %[f5], 4(%[bRe]) \n\t" - "lwc1 %[f6], 4(%[bIm]) \n\t" - "addiu %[aRe], %[aRe], 8 \n\t" - "addiu %[bRe], %[bRe], 8 \n\t" - "mul.s %[f8], %[f0], %[f1] \n\t" - "mul.s %[f0], %[f0], %[f2] \n\t" - "lwc1 %[f3], 0(%[aIm]) \n\t" - "mul.s %[f9], %[f4], %[f5] \n\t" - "lwc1 %[f7], 4(%[aIm]) \n\t" - "mul.s %[f4], %[f4], %[f6] \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[f10], %[f3], %[f2] \n\t" - "mul.s %[f1], %[f3], %[f1] \n\t" - "mul.s %[f11], %[f7], %[f6] \n\t" - "mul.s %[f5], %[f7], %[f5] \n\t" - "addiu %[aIm], %[aIm], 8 \n\t" - "addiu %[bIm], %[bIm], 8 \n\t" - "addiu %[len], %[len], -1 \n\t" - "add.s %[f8], %[f8], %[f10] \n\t" - "sub.s %[f1], %[f0], %[f1] \n\t" - "add.s %[f9], %[f9], %[f11] \n\t" - "sub.s %[f5], %[f4], %[f5] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "addiu %[aIm], %[aIm], 8 \n\t" - "addiu %[bIm], %[bIm], 8 \n\t" - "addiu %[len], %[len], -1 \n\t" - "madd.s %[f8], %[f8], %[f3], %[f2] \n\t" - "nmsub.s %[f1], %[f0], %[f3], %[f1] \n\t" - "madd.s %[f9], %[f9], %[f7], %[f6] \n\t" - "nmsub.s %[f5], %[f4], %[f7], %[f5] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[f8], 0(%[fft_tmp]) \n\t" - "swc1 %[f1], 4(%[fft_tmp]) \n\t" - "swc1 %[f9], 8(%[fft_tmp]) \n\t" - "swc1 %[f5], 12(%[fft_tmp]) \n\t" - "bgtz %[len], 1b \n\t" - " addiu %[fft_tmp], %[fft_tmp], 16 \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[bRe]) \n\t" - "lwc1 %[f2], 0(%[bIm]) \n\t" - "lwc1 %[f3], 0(%[aIm]) \n\t" - "mul.s %[f8], %[f0], %[f1] \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[f10], %[f3], %[f2] \n\t" - "add.s %[f8], %[f8], %[f10] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "madd.s %[f8], %[f8], %[f3], %[f2] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[f8], 4(%[fft]) \n\t" - ".set pop \n\t" - : [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), - [f3] "=&f" (f3), [f4] "=&f" (f4), [f5] "=&f" (f5), - [f6] "=&f" (f6), [f7] "=&f" (f7), [f8] "=&f" (f8), - [f9] "=&f" (f9), [f10] "=&f" (f10), [f11] "=&f" (f11), - [f12] "=&f" (f12), [aRe] "+r" (aRe), [aIm] "+r" (aIm), - [bRe] "+r" (bRe), [bIm] "+r" (bIm), [fft_tmp] "=&r" (fft_tmp), - [len] "+r" (len) - : [fft] "r" (fft) - : "memory" - ); - - aec_rdft_inverse_128(fft); - memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN); - - // fft scaling - { - float scale = 2.0f / PART_LEN2; - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "addiu %[fft_tmp], %[fft], 0 \n\t" - "addiu %[len], $zero, 8 \n\t" - "1: \n\t" - "addiu %[len], %[len], -1 \n\t" - "lwc1 %[f0], 0(%[fft_tmp]) \n\t" - "lwc1 %[f1], 4(%[fft_tmp]) \n\t" - "lwc1 %[f2], 8(%[fft_tmp]) \n\t" - "lwc1 %[f3], 12(%[fft_tmp]) \n\t" - "mul.s %[f0], %[f0], %[scale] \n\t" - "mul.s %[f1], %[f1], %[scale] \n\t" - "mul.s %[f2], %[f2], %[scale] \n\t" - "mul.s %[f3], %[f3], %[scale] \n\t" - "lwc1 %[f4], 16(%[fft_tmp]) \n\t" - "lwc1 %[f5], 20(%[fft_tmp]) \n\t" - "lwc1 %[f6], 24(%[fft_tmp]) \n\t" - "lwc1 %[f7], 28(%[fft_tmp]) \n\t" - "mul.s %[f4], %[f4], %[scale] \n\t" - "mul.s %[f5], %[f5], %[scale] \n\t" - "mul.s %[f6], %[f6], %[scale] \n\t" - "mul.s %[f7], %[f7], %[scale] \n\t" - "swc1 %[f0], 0(%[fft_tmp]) \n\t" - "swc1 %[f1], 4(%[fft_tmp]) \n\t" - "swc1 %[f2], 8(%[fft_tmp]) \n\t" - "swc1 %[f3], 12(%[fft_tmp]) \n\t" - "swc1 %[f4], 16(%[fft_tmp]) \n\t" - "swc1 %[f5], 20(%[fft_tmp]) \n\t" - "swc1 %[f6], 24(%[fft_tmp]) \n\t" - "swc1 %[f7], 28(%[fft_tmp]) \n\t" - "bgtz %[len], 1b \n\t" - " addiu %[fft_tmp], %[fft_tmp], 32 \n\t" - ".set pop \n\t" - : [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), - [f3] "=&f" (f3), [f4] "=&f" (f4), [f5] "=&f" (f5), - [f6] "=&f" (f6), [f7] "=&f" (f7), [len] "=&r" (len), - [fft_tmp] "=&r" (fft_tmp) - : [scale] "f" (scale), [fft] "r" (fft) - : "memory" - ); - } - aec_rdft_forward_128(fft); - aRe = aec->wfBuf[0] + pos; - aIm = aec->wfBuf[1] + pos; - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "addiu %[fft_tmp], %[fft], 0 \n\t" - "addiu %[len], $zero, 31 \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[fft_tmp]) \n\t" - "lwc1 %[f2], 256(%[aRe]) \n\t" - "lwc1 %[f3], 4(%[fft_tmp]) \n\t" - "lwc1 %[f4], 4(%[aRe]) \n\t" - "lwc1 %[f5], 8(%[fft_tmp]) \n\t" - "lwc1 %[f6], 4(%[aIm]) \n\t" - "lwc1 %[f7], 12(%[fft_tmp]) \n\t" - "add.s %[f0], %[f0], %[f1] \n\t" - "add.s %[f2], %[f2], %[f3] \n\t" - "add.s %[f4], %[f4], %[f5] \n\t" - "add.s %[f6], %[f6], %[f7] \n\t" - "addiu %[fft_tmp], %[fft_tmp], 16 \n\t" - "swc1 %[f0], 0(%[aRe]) \n\t" - "swc1 %[f2], 256(%[aRe]) \n\t" - "swc1 %[f4], 4(%[aRe]) \n\t" - "addiu %[aRe], %[aRe], 8 \n\t" - "swc1 %[f6], 4(%[aIm]) \n\t" - "addiu %[aIm], %[aIm], 8 \n\t" - "1: \n\t" - "lwc1 %[f0], 0(%[aRe]) \n\t" - "lwc1 %[f1], 0(%[fft_tmp]) \n\t" - "lwc1 %[f2], 0(%[aIm]) \n\t" - "lwc1 %[f3], 4(%[fft_tmp]) \n\t" - "lwc1 %[f4], 4(%[aRe]) \n\t" - "lwc1 %[f5], 8(%[fft_tmp]) \n\t" - "lwc1 %[f6], 4(%[aIm]) \n\t" - "lwc1 %[f7], 12(%[fft_tmp]) \n\t" - "add.s %[f0], %[f0], %[f1] \n\t" - "add.s %[f2], %[f2], %[f3] \n\t" - "add.s %[f4], %[f4], %[f5] \n\t" - "add.s %[f6], %[f6], %[f7] \n\t" - "addiu %[len], %[len], -1 \n\t" - "addiu %[fft_tmp], %[fft_tmp], 16 \n\t" - "swc1 %[f0], 0(%[aRe]) \n\t" - "swc1 %[f2], 0(%[aIm]) \n\t" - "swc1 %[f4], 4(%[aRe]) \n\t" - "addiu %[aRe], %[aRe], 8 \n\t" - "swc1 %[f6], 4(%[aIm]) \n\t" - "bgtz %[len], 1b \n\t" - " addiu %[aIm], %[aIm], 8 \n\t" - ".set pop \n\t" - : [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), - [f3] "=&f" (f3), [f4] "=&f" (f4), [f5] "=&f" (f5), - [f6] "=&f" (f6), [f7] "=&f" (f7), [len] "=&r" (len), - [fft_tmp] "=&r" (fft_tmp), [aRe] "+r" (aRe), [aIm] "+r" (aIm) - : [fft] "r" (fft) - : "memory" - ); - } -} - -void WebRtcAec_OverdriveAndSuppress_mips(AecCore* aec, - float hNl[PART_LEN1], - const float hNlFb, - float efw[2][PART_LEN1]) { - int i; - const float one = 1.0; - float* p_hNl; - float* p_efw0; - float* p_efw1; - float* p_WebRtcAec_wC; - float temp1, temp2, temp3, temp4; - - p_hNl = &hNl[0]; - p_efw0 = &efw[0][0]; - p_efw1 = &efw[1][0]; - p_WebRtcAec_wC = (float*)&WebRtcAec_weightCurve[0]; - - for (i = 0; i < PART_LEN1; i++) { - // Weight subbands - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "lwc1 %[temp1], 0(%[p_hNl]) \n\t" - "lwc1 %[temp2], 0(%[p_wC]) \n\t" - "c.lt.s %[hNlFb], %[temp1] \n\t" - "bc1f 1f \n\t" - " mul.s %[temp3], %[temp2], %[hNlFb] \n\t" - "sub.s %[temp4], %[one], %[temp2] \n\t" -#if !defined(MIPS32_R2_LE) - "mul.s %[temp1], %[temp1], %[temp4] \n\t" - "add.s %[temp1], %[temp3], %[temp1] \n\t" -#else // #if !defined(MIPS32_R2_LE) - "madd.s %[temp1], %[temp3], %[temp1], %[temp4] \n\t" -#endif // #if !defined(MIPS32_R2_LE) - "swc1 %[temp1], 0(%[p_hNl]) \n\t" - "1: \n\t" - "addiu %[p_wC], %[p_wC], 4 \n\t" - ".set pop \n\t" - : [temp1] "=&f" (temp1), [temp2] "=&f" (temp2), [temp3] "=&f" (temp3), - [temp4] "=&f" (temp4), [p_wC] "+r" (p_WebRtcAec_wC) - : [hNlFb] "f" (hNlFb), [one] "f" (one), [p_hNl] "r" (p_hNl) - : "memory" - ); - - hNl[i] = powf(hNl[i], aec->overDriveSm * WebRtcAec_overDriveCurve[i]); - - __asm __volatile ( - "lwc1 %[temp1], 0(%[p_hNl]) \n\t" - "lwc1 %[temp3], 0(%[p_efw1]) \n\t" - "lwc1 %[temp2], 0(%[p_efw0]) \n\t" - "addiu %[p_hNl], %[p_hNl], 4 \n\t" - "mul.s %[temp3], %[temp3], %[temp1] \n\t" - "mul.s %[temp2], %[temp2], %[temp1] \n\t" - "addiu %[p_efw0], %[p_efw0], 4 \n\t" - "addiu %[p_efw1], %[p_efw1], 4 \n\t" - "neg.s %[temp4], %[temp3] \n\t" - "swc1 %[temp2], -4(%[p_efw0]) \n\t" - "swc1 %[temp4], -4(%[p_efw1]) \n\t" - : [temp1] "=&f" (temp1), [temp2] "=&f" (temp2), [temp3] "=&f" (temp3), - [temp4] "=&f" (temp4), [p_efw0] "+r" (p_efw0), [p_efw1] "+r" (p_efw1), - [p_hNl] "+r" (p_hNl) - : - : "memory" - ); - } -} - -void WebRtcAec_ScaleErrorSignal_mips(AecCore* aec, float ef[2][PART_LEN1]) { - const float mu = aec->extended_filter_enabled ? kExtendedMu : aec->normal_mu; - const float error_threshold = aec->extended_filter_enabled - ? kExtendedErrorThreshold - : aec->normal_error_threshold; - int len = (PART_LEN1); - float* ef0 = ef[0]; - float* ef1 = ef[1]; - float* xPow = aec->xPow; - float fac1 = 1e-10f; - float err_th2 = error_threshold * error_threshold; - float f0, f1, f2; -#if !defined(MIPS32_R2_LE) - float f3; -#endif - - __asm __volatile ( - ".set push \n\t" - ".set noreorder \n\t" - "1: \n\t" - "lwc1 %[f0], 0(%[xPow]) \n\t" - "lwc1 %[f1], 0(%[ef0]) \n\t" - "lwc1 %[f2], 0(%[ef1]) \n\t" - "add.s %[f0], %[f0], %[fac1] \n\t" - "div.s %[f1], %[f1], %[f0] \n\t" - "div.s %[f2], %[f2], %[f0] \n\t" - "mul.s %[f0], %[f1], %[f1] \n\t" -#if defined(MIPS32_R2_LE) - "madd.s %[f0], %[f0], %[f2], %[f2] \n\t" -#else - "mul.s %[f3], %[f2], %[f2] \n\t" - "add.s %[f0], %[f0], %[f3] \n\t" -#endif - "c.le.s %[f0], %[err_th2] \n\t" - "nop \n\t" - "bc1t 2f \n\t" - " nop \n\t" - "sqrt.s %[f0], %[f0] \n\t" - "add.s %[f0], %[f0], %[fac1] \n\t" - "div.s %[f0], %[err_th], %[f0] \n\t" - "mul.s %[f1], %[f1], %[f0] \n\t" - "mul.s %[f2], %[f2], %[f0] \n\t" - "2: \n\t" - "mul.s %[f1], %[f1], %[mu] \n\t" - "mul.s %[f2], %[f2], %[mu] \n\t" - "swc1 %[f1], 0(%[ef0]) \n\t" - "swc1 %[f2], 0(%[ef1]) \n\t" - "addiu %[len], %[len], -1 \n\t" - "addiu %[xPow], %[xPow], 4 \n\t" - "addiu %[ef0], %[ef0], 4 \n\t" - "bgtz %[len], 1b \n\t" - " addiu %[ef1], %[ef1], 4 \n\t" - ".set pop \n\t" - : [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), -#if !defined(MIPS32_R2_LE) - [f3] "=&f" (f3), -#endif - [xPow] "+r" (xPow), [ef0] "+r" (ef0), [ef1] "+r" (ef1), - [len] "+r" (len) - : [fac1] "f" (fac1), [err_th2] "f" (err_th2), [mu] "f" (mu), - [err_th] "f" (error_threshold) - : "memory" - ); -} - -void WebRtcAec_InitAec_mips(void) { - WebRtcAec_FilterFar = WebRtcAec_FilterFar_mips; - WebRtcAec_FilterAdaptation = WebRtcAec_FilterAdaptation_mips; - WebRtcAec_ScaleErrorSignal = WebRtcAec_ScaleErrorSignal_mips; - WebRtcAec_ComfortNoise = WebRtcAec_ComfortNoise_mips; - WebRtcAec_OverdriveAndSuppress = WebRtcAec_OverdriveAndSuppress_mips; -} - |