/* * 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; }