1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "offload_effect_virtualizer" 18 //#define LOG_NDEBUG 0 19 20 #include <cutils/list.h> 21 #include <cutils/log.h> 22 #include <tinyalsa/asoundlib.h> 23 #include <sound/audio_effects.h> 24 #include <audio_effects/effect_virtualizer.h> 25 26 #include "effect_api.h" 27 #include "virtualizer.h" 28 29 /* Offload Virtualizer UUID: 509a4498-561a-4bea-b3b1-0002a5d5c51b */ 30 const effect_descriptor_t virtualizer_descriptor = { 31 {0x37cc2c00, 0xdddd, 0x11db, 0x8577, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, 32 {0x509a4498, 0x561a, 0x4bea, 0xb3b1, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid 33 EFFECT_CONTROL_API_VERSION, 34 (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND | EFFECT_FLAG_HW_ACC_TUNNEL | 35 EFFECT_FLAG_VOLUME_CTRL), 36 0, /* TODO */ 37 1, 38 "MSM offload virtualizer", 39 "The Android Open Source Project", 40 }; 41 42 /* 43 * Virtualizer operations 44 */ 45 46 int virtualizer_get_strength(virtualizer_context_t *context) 47 { 48 ALOGV("%s: strength: %d", __func__, context->strength); 49 return context->strength; 50 } 51 52 int virtualizer_set_strength(virtualizer_context_t *context, uint32_t strength) 53 { 54 ALOGV("%s: strength: %d", __func__, strength); 55 context->strength = strength; 56 57 offload_virtualizer_set_strength(&(context->offload_virt), strength); 58 if (context->ctl) 59 offload_virtualizer_send_params(context->ctl, &context->offload_virt, 60 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG | 61 OFFLOAD_SEND_VIRTUALIZER_STRENGTH); 62 return 0; 63 } 64 65 int virtualizer_get_parameter(effect_context_t *context, effect_param_t *p, 66 uint32_t *size) 67 { 68 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 69 int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t); 70 int32_t *param_tmp = (int32_t *)p->data; 71 int32_t param = *param_tmp++; 72 void *value = p->data + voffset; 73 int i; 74 75 ALOGV("%s", __func__); 76 77 p->status = 0; 78 79 switch (param) { 80 case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED: 81 if (p->vsize < sizeof(uint32_t)) 82 p->status = -EINVAL; 83 p->vsize = sizeof(uint32_t); 84 break; 85 case VIRTUALIZER_PARAM_STRENGTH: 86 if (p->vsize < sizeof(int16_t)) 87 p->status = -EINVAL; 88 p->vsize = sizeof(int16_t); 89 break; 90 default: 91 p->status = -EINVAL; 92 } 93 94 *size = sizeof(effect_param_t) + voffset + p->vsize; 95 96 if (p->status != 0) 97 return 0; 98 99 switch (param) { 100 case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED: 101 ALOGV("%s: VIRTUALIZER_PARAM_STRENGTH_SUPPORTED", __func__); 102 *(uint32_t *)value = 1; 103 break; 104 105 case VIRTUALIZER_PARAM_STRENGTH: 106 ALOGV("%s: VIRTUALIZER_PARAM_STRENGTH", __func__); 107 *(int16_t *)value = virtualizer_get_strength(virt_ctxt); 108 break; 109 110 default: 111 p->status = -EINVAL; 112 break; 113 } 114 115 return 0; 116 } 117 118 int virtualizer_set_parameter(effect_context_t *context, effect_param_t *p, 119 uint32_t size __unused) 120 { 121 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 122 int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t); 123 void *value = p->data + voffset; 124 int32_t *param_tmp = (int32_t *)p->data; 125 int32_t param = *param_tmp++; 126 uint32_t strength; 127 128 ALOGV("%s", __func__); 129 130 p->status = 0; 131 132 switch (param) { 133 case VIRTUALIZER_PARAM_STRENGTH: 134 ALOGV("%s VIRTUALIZER_PARAM_STRENGTH", __func__); 135 strength = (uint32_t)(*(int16_t *)value); 136 virtualizer_set_strength(virt_ctxt, strength); 137 break; 138 default: 139 p->status = -EINVAL; 140 break; 141 } 142 143 return 0; 144 } 145 146 int virtualizer_set_device(effect_context_t *context, uint32_t device) 147 { 148 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 149 150 ALOGV("%s: device: %d", __func__, device); 151 virt_ctxt->device = device; 152 if ((device == AUDIO_DEVICE_OUT_SPEAKER) || 153 (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) || 154 (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER) || 155 (device == AUDIO_DEVICE_OUT_AUX_DIGITAL) || 156 (device == AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET)) { 157 if (!virt_ctxt->temp_disabled) { 158 if (effect_is_active(&virt_ctxt->common)) { 159 offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false); 160 if (virt_ctxt->ctl) 161 offload_virtualizer_send_params(virt_ctxt->ctl, 162 &virt_ctxt->offload_virt, 163 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG); 164 } 165 virt_ctxt->temp_disabled = true; 166 } 167 } else { 168 if (virt_ctxt->temp_disabled) { 169 if (effect_is_active(&virt_ctxt->common)) { 170 offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true); 171 if (virt_ctxt->ctl) 172 offload_virtualizer_send_params(virt_ctxt->ctl, 173 &virt_ctxt->offload_virt, 174 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG); 175 } 176 virt_ctxt->temp_disabled = false; 177 } 178 } 179 offload_virtualizer_set_device(&(virt_ctxt->offload_virt), device); 180 return 0; 181 } 182 183 int virtualizer_reset(effect_context_t *context) 184 { 185 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 186 187 return 0; 188 } 189 190 int virtualizer_init(effect_context_t *context) 191 { 192 ALOGV("%s", __func__); 193 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 194 195 context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ; 196 context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 197 context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 198 context->config.inputCfg.samplingRate = 44100; 199 context->config.inputCfg.bufferProvider.getBuffer = NULL; 200 context->config.inputCfg.bufferProvider.releaseBuffer = NULL; 201 context->config.inputCfg.bufferProvider.cookie = NULL; 202 context->config.inputCfg.mask = EFFECT_CONFIG_ALL; 203 context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE; 204 context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO; 205 context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; 206 context->config.outputCfg.samplingRate = 44100; 207 context->config.outputCfg.bufferProvider.getBuffer = NULL; 208 context->config.outputCfg.bufferProvider.releaseBuffer = NULL; 209 context->config.outputCfg.bufferProvider.cookie = NULL; 210 context->config.outputCfg.mask = EFFECT_CONFIG_ALL; 211 212 set_config(context, &context->config); 213 214 virt_ctxt->temp_disabled = false; 215 memset(&(virt_ctxt->offload_virt), 0, sizeof(struct virtualizer_params)); 216 217 return 0; 218 } 219 220 int virtualizer_enable(effect_context_t *context) 221 { 222 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 223 224 ALOGV("%s", __func__); 225 226 if (!offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt)) && 227 !(virt_ctxt->temp_disabled)) { 228 offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), true); 229 if (virt_ctxt->ctl && virt_ctxt->strength) 230 offload_virtualizer_send_params(virt_ctxt->ctl, 231 &virt_ctxt->offload_virt, 232 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG | 233 OFFLOAD_SEND_BASSBOOST_STRENGTH); 234 } 235 return 0; 236 } 237 238 int virtualizer_disable(effect_context_t *context) 239 { 240 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 241 242 ALOGV("%s", __func__); 243 if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt))) { 244 offload_virtualizer_set_enable_flag(&(virt_ctxt->offload_virt), false); 245 if (virt_ctxt->ctl) 246 offload_virtualizer_send_params(virt_ctxt->ctl, 247 &virt_ctxt->offload_virt, 248 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG); 249 } 250 return 0; 251 } 252 253 int virtualizer_start(effect_context_t *context, output_context_t *output) 254 { 255 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 256 257 ALOGV("%s", __func__); 258 virt_ctxt->ctl = output->ctl; 259 if (offload_virtualizer_get_enable_flag(&(virt_ctxt->offload_virt))) 260 if (virt_ctxt->ctl) 261 offload_virtualizer_send_params(virt_ctxt->ctl, &virt_ctxt->offload_virt, 262 OFFLOAD_SEND_VIRTUALIZER_ENABLE_FLAG | 263 OFFLOAD_SEND_VIRTUALIZER_STRENGTH); 264 return 0; 265 } 266 267 int virtualizer_stop(effect_context_t *context, output_context_t *output __unused) 268 { 269 virtualizer_context_t *virt_ctxt = (virtualizer_context_t *)context; 270 271 ALOGV("%s", __func__); 272 virt_ctxt->ctl = NULL; 273 return 0; 274 } 275
