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275 lines
9.3 KiB
275 lines
9.3 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "offload_effect_virtualizer"
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//#define LOG_NDEBUG 0
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#include <cutils/list.h>
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#include <cutils/log.h>
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#include <tinyalsa/asoundlib.h>
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#include <sound/audio_effects.h>
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#include <audio_effects/effect_virtualizer.h>
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#include "effect_api.h"
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#include "virtualizer.h"
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/* Offload Virtualizer UUID: 509a4498-561a-4bea-b3b1-0002a5d5c51b */
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const effect_descriptor_t virtualizer_descriptor = {
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{0x37cc2c00, 0xdddd, 0x11db, 0x8577, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
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{0x509a4498, 0x561a, 0x4bea, 0xb3b1, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
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EFFECT_CONTROL_API_VERSION,
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(EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_HW_ACC_TUNNEL |
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EFFECT_FLAG_VOLUME_CTRL),
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0, /* TODO */
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1,
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"MSM offload virtualizer",
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"The Android Open Source Project",
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};
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/*
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* Virtualizer operations
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*/
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int virtualizer_get_strength(virtualizer_context_t *context)
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{
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ALOGV("%s: strength: %d", __func__, context->strength);
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return context->strength;
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}
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int virtualizer_set_strength(virtualizer_context_t *context, uint32_t strength)
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{
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ALOGV("%s: strength: %d", __func__, strength);
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context->strength = strength;
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offload_virtualizer_set_strength(&(context->offload_virt), strength);
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if (context->ctl)
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offload_virtualizer_send_params(context->ctl, &context->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
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OFFLOAD_SEND_VIRTUALIZER_STRENGTH);
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return 0;
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}
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int virtualizer_get_parameter(effect_context_t *context, effect_param_t *p,
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uint32_t *size)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
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int32_t *param_tmp = (int32_t *)p->data;
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int32_t param = *param_tmp++;
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void *value = p->data + voffset;
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int i;
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ALOGV("%s", __func__);
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p->status = 0;
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switch (param) {
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case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
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if (p->vsize < sizeof(uint32_t))
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p->status = -EINVAL;
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p->vsize = sizeof(uint32_t);
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break;
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case VIRTUALIZER_PARAM_STRENGTH:
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if (p->vsize < sizeof(int16_t))
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p->status = -EINVAL;
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p->vsize = sizeof(int16_t);
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break;
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default:
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p->status = -EINVAL;
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}
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*size = sizeof(effect_param_t) + voffset + p->vsize;
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if (p->status != 0)
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return 0;
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switch (param) {
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case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
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ALOGV("%s: VIRTUALIZER_PARAM_STRENGTH_SUPPORTED", __func__);
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*(uint32_t *)value = 1;
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break;
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case VIRTUALIZER_PARAM_STRENGTH:
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ALOGV("%s: VIRTUALIZER_PARAM_STRENGTH", __func__);
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*(int16_t *)value = virtualizer_get_strength(virt_ctxt);
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break;
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default:
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p->status = -EINVAL;
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break;
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}
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return 0;
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}
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int virtualizer_set_parameter(effect_context_t *context, effect_param_t *p,
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uint32_t size __unused)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
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void *value = p->data + voffset;
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int32_t *param_tmp = (int32_t *)p->data;
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int32_t param = *param_tmp++;
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uint32_t strength;
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ALOGV("%s", __func__);
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p->status = 0;
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switch (param) {
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case VIRTUALIZER_PARAM_STRENGTH:
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ALOGV("%s VIRTUALIZER_PARAM_STRENGTH", __func__);
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strength = (uint32_t)(*(int16_t *)value);
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virtualizer_set_strength(virt_ctxt, strength);
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break;
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default:
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p->status = -EINVAL;
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break;
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}
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return 0;
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}
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int virtualizer_set_device(effect_context_t *context, uint32_t device)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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ALOGV("%s: device: %d", __func__, device);
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virt_ctxt->device = device;
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if ((device == AUDIO_DEVICE_OUT_SPEAKER) ||
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(device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) ||
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(device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) ||
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(device == AUDIO_DEVICE_OUT_AUX_DIGITAL) ||
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(device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET)) {
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if (!virt_ctxt->temp_disabled) {
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if (effect_is_active(&virt_ctxt->common)) {
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offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
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if (virt_ctxt->ctl)
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offload_virtualizer_send_params(virt_ctxt->ctl,
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&virt_ctxt->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
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}
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virt_ctxt->temp_disabled = true;
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}
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} else {
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if (virt_ctxt->temp_disabled) {
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if (effect_is_active(&virt_ctxt->common)) {
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offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
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if (virt_ctxt->ctl)
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offload_virtualizer_send_params(virt_ctxt->ctl,
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&virt_ctxt->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
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}
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virt_ctxt->temp_disabled = false;
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}
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}
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offload_virtualizer_set_device(&(virt_ctxt->offload_virt), device);
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return 0;
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}
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int virtualizer_reset(effect_context_t *context)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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return 0;
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}
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int virtualizer_init(effect_context_t *context)
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{
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ALOGV("%s", __func__);
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
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context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
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context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
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context->config.inputCfg.samplingRate = 44100;
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context->config.inputCfg.bufferProvider.getBuffer = NULL;
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context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
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context->config.inputCfg.bufferProvider.cookie = NULL;
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context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
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context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
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context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
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context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
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context->config.outputCfg.samplingRate = 44100;
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context->config.outputCfg.bufferProvider.getBuffer = NULL;
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context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
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context->config.outputCfg.bufferProvider.cookie = NULL;
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context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
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set_config(context, &context->config);
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virt_ctxt->temp_disabled = false;
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memset(&(virt_ctxt->offload_virt), 0, sizeof(struct virtualizer_params));
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return 0;
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}
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int virtualizer_enable(effect_context_t *context)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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ALOGV("%s", __func__);
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if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)) &&
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!(virt_ctxt->temp_disabled)) {
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offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true);
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if (virt_ctxt->ctl && virt_ctxt->strength)
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offload_virtualizer_send_params(virt_ctxt->ctl,
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&virt_ctxt->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
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OFFLOAD_SEND_BASSBOOST_STRENGTH);
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}
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return 0;
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}
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int virtualizer_disable(effect_context_t *context)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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ALOGV("%s", __func__);
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if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt))) {
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offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false);
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if (virt_ctxt->ctl)
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offload_virtualizer_send_params(virt_ctxt->ctl,
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&virt_ctxt->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG);
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}
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return 0;
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}
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int virtualizer_start(effect_context_t *context, output_context_t *output)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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ALOGV("%s", __func__);
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virt_ctxt->ctl = output->ctl;
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if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)))
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if (virt_ctxt->ctl)
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offload_virtualizer_send_params(virt_ctxt->ctl, &virt_ctxt->offload_virt,
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OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG |
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OFFLOAD_SEND_VIRTUALIZER_STRENGTH);
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return 0;
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}
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int virtualizer_stop(effect_context_t *context, output_context_t *output __unused)
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{
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virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context;
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ALOGV("%s", __func__);
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virt_ctxt->ctl = NULL;
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return 0;
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}
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