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