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Unified Diff: webrtc/modules/audio_processing/aec/aec_core_mips.c

Issue 1713923002: Moved the AEC C code to be built using C++ (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Format changes to comply with lint Created 4 years, 10 months ago
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Index: webrtc/modules/audio_processing/aec/aec_core_mips.c
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 4fbc6137e2d19d318c5517c457e484cd617ce25f..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/aec/aec_core_mips.c
+++ /dev/null
@@ -1,787 +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"
-
-extern const float WebRtcAec_weightCurve[65];
-extern const float WebRtcAec_overDriveCurve[65];
-
-void WebRtcAec_ComfortNoise_mips(AecCore* aec,
- float efw[2][PART_LEN1],
- float comfortNoiseHband[2][PART_LEN1],
- 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->num_bands > 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[0][i] = tmpAvg * u[i][0];
- comfortNoiseHband[1][i] = tmpAvg * u[i][1];
- }
- } else {
- memset(comfortNoiseHband, 0,
- 2 * PART_LEN1 * sizeof(comfortNoiseHband[0][0]));
- }
-}
-
-void WebRtcAec_FilterFar_mips(
- int num_partitions,
- int x_fft_buf_block_pos,
- float x_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
- float h_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
- float y_fft[2][PART_LEN1]) {
- int i;
- for (i = 0; i < num_partitions; i++) {
- int xPos = (i + x_fft_buf_block_pos) * PART_LEN1;
- int pos = i * PART_LEN1;
- // Check for wrap
- if (i + x_fft_buf_block_pos >= num_partitions) {
- xPos -= num_partitions * (PART_LEN1);
- }
- float* yf0 = y_fft[0];
- float* yf1 = y_fft[1];
- float* aRe = x_fft_buf[0] + xPos;
- float* aIm = x_fft_buf[1] + xPos;
- float* bRe = h_fft_buf[0] + pos;
- float* bIm = h_fft_buf[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(
- int num_partitions,
- int x_fft_buf_block_pos,
- float x_fft_buf[2][kExtendedNumPartitions * PART_LEN1],
- float e_fft[2][PART_LEN1],
- float h_fft_buf[2][kExtendedNumPartitions * PART_LEN1]) {
- float fft[PART_LEN2];
- int i;
- for (i = 0; i < num_partitions; i++) {
- int xPos = (i + x_fft_buf_block_pos) * (PART_LEN1);
- int pos;
- // Check for wrap
- if (i + x_fft_buf_block_pos >= num_partitions) {
- xPos -= num_partitions * PART_LEN1;
- }
-
- pos = i * PART_LEN1;
- float* aRe = x_fft_buf[0] + xPos;
- float* aIm = x_fft_buf[1] + xPos;
- float* bRe = e_fft[0];
- float* bIm = e_fft[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 = h_fft_buf[0] + pos;
- aIm = h_fft_buf[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(int extended_filter_enabled,
- float normal_mu,
- float normal_error_threshold,
- float x_pow[PART_LEN1],
- float ef[2][PART_LEN1]) {
- const float mu = extended_filter_enabled ? kExtendedMu : normal_mu;
- const float error_threshold = extended_filter_enabled
- ? kExtendedErrorThreshold
- : normal_error_threshold;
- int len = (PART_LEN1);
- float* ef0 = ef[0];
- float* ef1 = ef[1];
- 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(%[x_pow]) \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 %[x_pow], %[x_pow], 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
- [x_pow] "+r" (x_pow), [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;
-}
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