Remove all files except OWNERS.HEADandroid-t-preview-2android-t-preview-1android-t-beta-3android-s-v2-preview-2android-s-v2-preview-1android-s-v2-beta-3android-s-v2-beta-2android-s-qpr3-beta-1android-s-beta-5mastermainandroid-t-preview-1android-s-v2-preview-1android-s-v2-beta-3android-s-qpr3-beta-1android-s-beta-5

This repository will be removed from the manifest change, but Treehugger
seems unable to test the manifest change, so this change first removes
all files so we can test that instead.

Bug: 190503456
Test: m crosvm
Change-Id: I133ef3bd8b39035a68113c4da8fe4c637a40daac

1 files changed, 0 insertions, 396 deletions

diff --git a/cras/src/dsp/drc.c b/cras/src/dsp/drc.c
deleted file mode 100644
index e6098419..00000000
--- a/cras/src/dsp/drc.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Copyright (C) 2011 Google Inc. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE.WEBKIT file.
- */
-
-#include <assert.h>
-#include <stdlib.h>
-
-#include "drc.h"
-#include "drc_math.h"
-
-static void set_default_parameters(struct drc *drc);
-static void init_data_buffer(struct drc *drc);
-static void init_emphasis_eq(struct drc *drc);
-static void init_crossover(struct drc *drc);
-static void init_kernel(struct drc *drc);
-static void free_data_buffer(struct drc *drc);
-static void free_emphasis_eq(struct drc *drc);
-static void free_kernel(struct drc *drc);
-
-struct drc *drc_new(float sample_rate)
-{
-	struct drc *drc = (struct drc *)calloc(1, sizeof(struct drc));
-	drc->sample_rate = sample_rate;
-	set_default_parameters(drc);
-	return drc;
-}
-
-void drc_init(struct drc *drc)
-{
-	init_data_buffer(drc);
-	init_emphasis_eq(drc);
-	init_crossover(drc);
-	init_kernel(drc);
-}
-
-void drc_free(struct drc *drc)
-{
-	free_kernel(drc);
-	free_emphasis_eq(drc);
-	free_data_buffer(drc);
-	free(drc);
-}
-
-/* Allocates temporary buffers used during drc_process(). */
-static void init_data_buffer(struct drc *drc)
-{
-	int i;
-	size_t size = sizeof(float) * DRC_PROCESS_MAX_FRAMES;
-
-	for (i = 0; i < DRC_NUM_CHANNELS; i++) {
-		drc->data1[i] = (float *)calloc(1, size);
-		drc->data2[i] = (float *)calloc(1, size);
-	}
-}
-
-/* Frees temporary buffers */
-static void free_data_buffer(struct drc *drc)
-{
-	int i;
-
-	for (i = 0; i < DRC_NUM_CHANNELS; i++) {
-		free(drc->data1[i]);
-		free(drc->data2[i]);
-	}
-}
-
-void drc_set_param(struct drc *drc, int index, unsigned paramID, float value)
-{
-	assert(paramID < PARAM_LAST);
-	if (paramID < PARAM_LAST)
-		drc->parameters[index][paramID] = value;
-}
-
-static float drc_get_param(struct drc *drc, int index, unsigned paramID)
-{
-	assert(paramID < PARAM_LAST);
-	return drc->parameters[index][paramID];
-}
-
-/* Initializes parameters to default values. */
-static void set_default_parameters(struct drc *drc)
-{
-	float nyquist = drc->sample_rate / 2;
-	int i;
-
-	for (i = 0; i < DRC_NUM_KERNELS; i++) {
-		float *param = drc->parameters[i];
-		param[PARAM_THRESHOLD] = -24; /* dB */
-		param[PARAM_KNEE] = 30; /* dB */
-		param[PARAM_RATIO] = 12; /* unit-less */
-		param[PARAM_ATTACK] = 0.003f; /* seconds */
-		param[PARAM_RELEASE] = 0.250f; /* seconds */
-		param[PARAM_PRE_DELAY] = DRC_DEFAULT_PRE_DELAY; /* seconds */
-
-		/* Release zone values 0 -> 1. */
-		param[PARAM_RELEASE_ZONE1] = 0.09f;
-		param[PARAM_RELEASE_ZONE2] = 0.16f;
-		param[PARAM_RELEASE_ZONE3] = 0.42f;
-		param[PARAM_RELEASE_ZONE4] = 0.98f;
-
-		/* This is effectively a main volume on the compressed
-		 * signal */
-		param[PARAM_POST_GAIN] = 0; /* dB */
-		param[PARAM_ENABLED] = 0;
-	}
-
-	drc->parameters[0][PARAM_CROSSOVER_LOWER_FREQ] = 0;
-	drc->parameters[1][PARAM_CROSSOVER_LOWER_FREQ] = 200 / nyquist;
-	drc->parameters[2][PARAM_CROSSOVER_LOWER_FREQ] = 2000 / nyquist;
-
-	/* These parameters has only one copy */
-	drc->parameters[0][PARAM_FILTER_STAGE_GAIN] = 4.4f; /* dB */
-	drc->parameters[0][PARAM_FILTER_STAGE_RATIO] = 2;
-	drc->parameters[0][PARAM_FILTER_ANCHOR] = 15000 / nyquist;
-}
-
-/* Finds the zero and pole for one stage of the emphasis filter */
-static void emphasis_stage_roots(float gain, float normalized_frequency,
-				 float *zero, float *pole)
-{
-	float gk = 1 - gain / 20;
-	float f1 = normalized_frequency * gk;
-	float f2 = normalized_frequency / gk;
-	*zero = expf(-f1 * PI_FLOAT);
-	*pole = expf(-f2 * PI_FLOAT);
-}
-
-/* Calculates the biquad coefficients for two emphasis stages. */
-static void emphasis_stage_pair_biquads(float gain, float f1, float f2,
-					struct biquad *emphasis,
-					struct biquad *deemphasis)
-{
-	float z1, p1;
-	float z2, p2;
-
-	emphasis_stage_roots(gain, f1, &z1, &p1);
-	emphasis_stage_roots(gain, f2, &z2, &p2);
-
-	float b0 = 1;
-	float b1 = -(z1 + z2);
-	float b2 = z1 * z2;
-	float a0 = 1;
-	float a1 = -(p1 + p2);
-	float a2 = p1 * p2;
-
-	/* Gain compensation to make 0dB @ 0Hz */
-	float alpha = (a0 + a1 + a2) / (b0 + b1 + b2);
-
-	emphasis->b0 = b0 * alpha;
-	emphasis->b1 = b1 * alpha;
-	emphasis->b2 = b2 * alpha;
-	emphasis->a1 = a1;
-	emphasis->a2 = a2;
-
-	float beta = (b0 + b1 + b2) / (a0 + a1 + a2);
-
-	deemphasis->b0 = a0 * beta;
-	deemphasis->b1 = a1 * beta;
-	deemphasis->b2 = a2 * beta;
-	deemphasis->a1 = b1;
-	deemphasis->a2 = b2;
-}
-
-/* Initializes the emphasis and deemphasis filter */
-static void init_emphasis_eq(struct drc *drc)
-{
-	struct biquad e = { 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f };
-	struct biquad d = { 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f };
-	int i, j;
-
-	float stage_gain = drc_get_param(drc, 0, PARAM_FILTER_STAGE_GAIN);
-	float stage_ratio = drc_get_param(drc, 0, PARAM_FILTER_STAGE_RATIO);
-	float anchor_freq = drc_get_param(drc, 0, PARAM_FILTER_ANCHOR);
-
-	drc->emphasis_eq = eq2_new();
-	drc->deemphasis_eq = eq2_new();
-
-	for (i = 0; i < 2; i++) {
-		emphasis_stage_pair_biquads(stage_gain, anchor_freq,
-					    anchor_freq / stage_ratio, &e, &d);
-		for (j = 0; j < 2; j++) {
-			eq2_append_biquad_direct(drc->emphasis_eq, j, &e);
-			eq2_append_biquad_direct(drc->deemphasis_eq, j, &d);
-		}
-		anchor_freq /= (stage_ratio * stage_ratio);
-	}
-}
-
-/* Frees the emphasis and deemphasis filter */
-static void free_emphasis_eq(struct drc *drc)
-{
-	eq2_free(drc->emphasis_eq);
-	eq2_free(drc->deemphasis_eq);
-}
-
-/* Initializes the crossover filter */
-static void init_crossover(struct drc *drc)
-{
-	float freq1 = drc->parameters[1][PARAM_CROSSOVER_LOWER_FREQ];
-	float freq2 = drc->parameters[2][PARAM_CROSSOVER_LOWER_FREQ];
-
-	crossover2_init(&drc->xo2, freq1, freq2);
-}
-
-/* Initializes the compressor kernels */
-static void init_kernel(struct drc *drc)
-{
-	int i;
-
-	for (i = 0; i < DRC_NUM_KERNELS; i++) {
-		dk_init(&drc->kernel[i], drc->sample_rate);
-
-		float db_threshold = drc_get_param(drc, i, PARAM_THRESHOLD);
-		float db_knee = drc_get_param(drc, i, PARAM_KNEE);
-		float ratio = drc_get_param(drc, i, PARAM_RATIO);
-		float attack_time = drc_get_param(drc, i, PARAM_ATTACK);
-		float release_time = drc_get_param(drc, i, PARAM_RELEASE);
-		float pre_delay_time = drc_get_param(drc, i, PARAM_PRE_DELAY);
-		float releaseZone1 = drc_get_param(drc, i, PARAM_RELEASE_ZONE1);
-		float releaseZone2 = drc_get_param(drc, i, PARAM_RELEASE_ZONE2);
-		float releaseZone3 = drc_get_param(drc, i, PARAM_RELEASE_ZONE3);
-		float releaseZone4 = drc_get_param(drc, i, PARAM_RELEASE_ZONE4);
-		float db_post_gain = drc_get_param(drc, i, PARAM_POST_GAIN);
-		int enabled = drc_get_param(drc, i, PARAM_ENABLED);
-
-		dk_set_parameters(&drc->kernel[i], db_threshold, db_knee, ratio,
-				  attack_time, release_time, pre_delay_time,
-				  db_post_gain, releaseZone1, releaseZone2,
-				  releaseZone3, releaseZone4);
-
-		dk_set_enabled(&drc->kernel[i], enabled);
-	}
-}
-
-/* Frees the compressor kernels */
-static void free_kernel(struct drc *drc)
-{
-	int i;
-	for (i = 0; i < DRC_NUM_KERNELS; i++)
-		dk_free(&drc->kernel[i]);
-}
-
-// Note gcc 4.9+ with -O2 on aarch64 produces vectorized version of C
-// that is comparable performance, but twice as large.  -O1 and -Os produce
-// small but slower code (4x slower than Neon).
-#if defined(__aarch64__)
-static void sum3(float *data, const float *data1, const float *data2, int n)
-{
-	int count = n / 4;
-	int i;
-
-	if (count) {
-		// clang-format off
-		__asm__ __volatile(
-			"1:                                         \n"
-			"ld1 {v0.4s}, [%[data1]], #16               \n"
-			"ld1 {v1.4s}, [%[data2]], #16               \n"
-			"ld1 {v2.4s}, [%[data]]                     \n"
-			"fadd v0.4s, v0.4s, v1.4s                   \n"
-			"fadd v0.4s, v0.4s, v2.4s                   \n"
-			"st1 {v0.4s}, [%[data]], #16                \n"
-			"subs %w[count], %w[count], #1              \n"
-			"b.ne 1b                                    \n"
-			: /* output */
-			  [data]"+r"(data),
-			  [data1]"+r"(data1),
-			  [data2]"+r"(data2),
-			  [count]"+r"(count)
-			: /* input */
-			: /* clobber */
-			  "v0", "v1", "v2", "memory", "cc");
-		// clang-format on
-	}
-
-	n &= 3;
-	for (i = 0; i < n; i++)
-		data[i] += data1[i] + data2[i];
-}
-#elif defined(__ARM_NEON__)
-static void sum3(float *data, const float *data1, const float *data2, int n)
-{
-	int count = n / 4;
-	int i;
-
-	if (count) {
-		// clang-format off
-		__asm__ __volatile(
-			"1:                                         \n"
-			"vld1.32 {q0}, [%[data1]]!                  \n"
-			"vld1.32 {q1}, [%[data2]]!                  \n"
-			"vld1.32 {q2}, [%[data]]                    \n"
-			"vadd.f32 q0, q0, q1                        \n"
-			"vadd.f32 q0, q0, q2                        \n"
-			"vst1.32 {q0}, [%[data]]!                   \n"
-			"subs %[count], #1                          \n"
-			"bne 1b                                     \n"
-			: /* output */
-			  [data]"+r"(data),
-			  [data1]"+r"(data1),
-			  [data2]"+r"(data2),
-			  [count]"+r"(count)
-			: /* input */
-			: /* clobber */
-			  "q0", "q1", "q2", "memory", "cc");
-		// clang-format on
-	}
-
-	n &= 3;
-	for (i = 0; i < n; i++)
-		data[i] += data1[i] + data2[i];
-}
-#elif defined(__SSE3__)
-#include <emmintrin.h>
-static void sum3(float *data, const float *data1, const float *data2, int n)
-{
-	__m128 x, y, z;
-	int count = n / 4;
-	int i;
-
-	if (count) {
-		// clang-format off
-		__asm__ __volatile(
-			"1:                                         \n"
-			"lddqu (%[data1]), %[x]                     \n"
-			"lddqu (%[data2]), %[y]                     \n"
-			"lddqu (%[data]), %[z]                      \n"
-			"addps %[x], %[y]                           \n"
-			"addps %[y], %[z]                           \n"
-			"movdqu %[z], (%[data])                     \n"
-			"add $16, %[data1]                          \n"
-			"add $16, %[data2]                          \n"
-			"add $16, %[data]                           \n"
-			"sub $1, %[count]                           \n"
-			"jne 1b                                     \n"
-			: /* output */
-			  [data]"+r"(data),
-			  [data1]"+r"(data1),
-			  [data2]"+r"(data2),
-			  [count]"+r"(count),
-			  [x]"=x"(x),
-			  [y]"=x"(y),
-			  [z]"=x"(z)
-			: /* input */
-			: /* clobber */
-			  "memory", "cc");
-		// clang-format on
-	}
-
-	n &= 3;
-	for (i = 0; i < n; i++)
-		data[i] += data1[i] + data2[i];
-}
-#else
-static void sum3(float *data, const float *data1, const float *data2, int n)
-{
-	int i;
-	for (i = 0; i < n; i++)
-		data[i] += data1[i] + data2[i];
-}
-#endif
-
-void drc_process(struct drc *drc, float **data, int frames)
-{
-	int i;
-	float **data1 = drc->data1;
-	float **data2 = drc->data2;
-
-	/* Apply pre-emphasis filter if it is not disabled. */
-	if (!drc->emphasis_disabled)
-		eq2_process(drc->emphasis_eq, data[0], data[1], frames);
-
-	/* Crossover */
-	crossover2_process(&drc->xo2, frames, data[0], data[1], data1[0],
-			   data1[1], data2[0], data2[1]);
-
-	/* Apply compression to each band of the signal. The processing is
-	 * performed in place.
-	 */
-	dk_process(&drc->kernel[0], data, frames);
-	dk_process(&drc->kernel[1], data1, frames);
-	dk_process(&drc->kernel[2], data2, frames);
-
-	/* Sum the three bands of signal */
-	for (i = 0; i < DRC_NUM_CHANNELS; i++)
-		sum3(data[i], data1[i], data2[i], frames);
-
-	/* Apply de-emphasis filter if emphasis is not disabled. */
-	if (!drc->emphasis_disabled)
-		eq2_process(drc->deemphasis_eq, data[0], data[1], frames);
-}