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      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_bass_boost"
     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_bassboost.h>
     25 
     26 #include "effect_api.h"
     27 #include "bass_boost.h"
     28 
     29 /* Offload bassboost UUID: 2c4a8c24-1581-487f-94f6-0002a5d5c51b */
     30 const effect_descriptor_t bassboost_descriptor = {
     31         {0x0634f220, 0xddd4, 0x11db, 0xa0fc, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }},
     32         {0x2c4a8c24, 0x1581, 0x487f, 0x94f6, { 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 bassboost",
     39         "The Android Open Source Project",
     40 };
     41 
     42 /*
     43  * Bassboost operations
     44  */
     45 
     46 int bassboost_get_strength(bassboost_context_t *context)
     47 {
     48     ALOGV("%s: strength: %d", __func__, context->strength);
     49     return context->strength;
     50 }
     51 
     52 int bassboost_set_strength(bassboost_context_t *context, uint32_t strength)
     53 {
     54     ALOGV("%s: strength: %d", __func__, strength);
     55     context->strength = strength;
     56 
     57     offload_bassboost_set_strength(&(context->offload_bass), strength);
     58     if (context->ctl)
     59         offload_bassboost_send_params(context->ctl, &context->offload_bass,
     60                                       OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
     61                                       OFFLOAD_SEND_BASSBOOST_STRENGTH);
     62     return 0;
     63 }
     64 
     65 int bassboost_get_parameter(effect_context_t *context, effect_param_t *p,
     66                             uint32_t *size)
     67 {
     68     bassboost_context_t *bass_ctxt = (bassboost_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 BASSBOOST_PARAM_STRENGTH_SUPPORTED:
     81         if (p->vsize < sizeof(uint32_t))
     82            p->status = -EINVAL;
     83         p->vsize = sizeof(uint32_t);
     84         break;
     85     case BASSBOOST_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 BASSBOOST_PARAM_STRENGTH_SUPPORTED:
    101         ALOGV("%s: BASSBOOST_PARAM_STRENGTH_SUPPORTED", __func__);
    102         *(uint32_t *)value = 1;
    103         break;
    104 
    105     case BASSBOOST_PARAM_STRENGTH:
    106         ALOGV("%s: BASSBOOST_PARAM_STRENGTH", __func__);
    107         *(int16_t *)value = bassboost_get_strength(bass_ctxt);
    108         break;
    109 
    110     default:
    111         p->status = -EINVAL;
    112         break;
    113     }
    114 
    115     return 0;
    116 }
    117 
    118 int bassboost_set_parameter(effect_context_t *context, effect_param_t *p,
    119                             uint32_t size __unused)
    120 {
    121     bassboost_context_t *bass_ctxt = (bassboost_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 BASSBOOST_PARAM_STRENGTH:
    134         ALOGV("%s BASSBOOST_PARAM_STRENGTH", __func__);
    135         strength = (uint32_t)(*(int16_t *)value);
    136         bassboost_set_strength(bass_ctxt, strength);
    137         break;
    138     default:
    139         p->status = -EINVAL;
    140         break;
    141     }
    142 
    143     return 0;
    144 }
    145 
    146 int bassboost_set_device(effect_context_t *context, uint32_t device)
    147 {
    148     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    149 
    150     ALOGV("%s: device: %d", __func__, device);
    151     bass_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 (!bass_ctxt->temp_disabled) {
    158             if (effect_is_active(&bass_ctxt->common)) {
    159                 offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), false);
    160                 if (bass_ctxt->ctl)
    161                     offload_bassboost_send_params(bass_ctxt->ctl,
    162                                                   &bass_ctxt->offload_bass,
    163                                                   OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
    164             }
    165             bass_ctxt->temp_disabled = true;
    166         }
    167     } else {
    168         if (bass_ctxt->temp_disabled) {
    169             if (effect_is_active(&bass_ctxt->common)) {
    170                 offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
    171                 if (bass_ctxt->ctl)
    172                     offload_bassboost_send_params(bass_ctxt->ctl,
    173                                                   &bass_ctxt->offload_bass,
    174                                                   OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
    175             }
    176             bass_ctxt->temp_disabled = false;
    177         }
    178     }
    179     offload_bassboost_set_device(&(bass_ctxt->offload_bass), device);
    180     return 0;
    181 }
    182 
    183 int bassboost_reset(effect_context_t *context)
    184 {
    185     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    186 
    187     return 0;
    188 }
    189 
    190 int bassboost_init(effect_context_t *context)
    191 {
    192     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    193 
    194     ALOGV("%s", __func__);
    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     bass_ctxt->temp_disabled = false;
    215     memset(&(bass_ctxt->offload_bass), 0, sizeof(struct bass_boost_params));
    216 
    217     return 0;
    218 }
    219 
    220 int bassboost_enable(effect_context_t *context)
    221 {
    222     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    223 
    224     ALOGV("%s", __func__);
    225 
    226     if (!offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)) &&
    227         !(bass_ctxt->temp_disabled)) {
    228         offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), true);
    229         if (bass_ctxt->ctl && bass_ctxt->strength)
    230             offload_bassboost_send_params(bass_ctxt->ctl,
    231                                           &bass_ctxt->offload_bass,
    232                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
    233                                           OFFLOAD_SEND_BASSBOOST_STRENGTH);
    234     }
    235     return 0;
    236 }
    237 
    238 int bassboost_disable(effect_context_t *context)
    239 {
    240     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    241 
    242     ALOGV("%s", __func__);
    243     if (offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass))) {
    244         offload_bassboost_set_enable_flag(&(bass_ctxt->offload_bass), false);
    245         if (bass_ctxt->ctl)
    246             offload_bassboost_send_params(bass_ctxt->ctl,
    247                                           &bass_ctxt->offload_bass,
    248                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG);
    249     }
    250     return 0;
    251 }
    252 
    253 int bassboost_start(effect_context_t *context, output_context_t *output)
    254 {
    255     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    256 
    257     ALOGV("%s", __func__);
    258     bass_ctxt->ctl = output->ctl;
    259     ALOGV("output->ctl: %p", output->ctl);
    260     if (offload_bassboost_get_enable_flag(&(bass_ctxt->offload_bass)))
    261         if (bass_ctxt->ctl)
    262             offload_bassboost_send_params(bass_ctxt->ctl, &bass_ctxt->offload_bass,
    263                                           OFFLOAD_SEND_BASSBOOST_ENABLE_FLAG |
    264                                           OFFLOAD_SEND_BASSBOOST_STRENGTH);
    265     return 0;
    266 }
    267 
    268 int bassboost_stop(effect_context_t *context, output_context_t *output __unused)
    269 {
    270     bassboost_context_t *bass_ctxt = (bassboost_context_t *)context;
    271 
    272     ALOGV("%s", __func__);
    273     bass_ctxt->ctl = NULL;
    274     return 0;
    275 }
    276