| /* |
| * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. |
| * Not a Contribution. |
| * |
| * Copyright (C) 2013 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_bundle" |
| #define LOG_NDEBUG 0 |
| |
| #include <cutils/list.h> |
| #include <cutils/log.h> |
| #include <system/thread_defs.h> |
| #include <tinyalsa/asoundlib.h> |
| #include <hardware/audio_effect.h> |
| |
| #include "bundle.h" |
| #include "equalizer.h" |
| #include "bass_boost.h" |
| #include "virtualizer.h" |
| #include "reverb.h" |
| |
| enum { |
| EFFECT_STATE_UNINITIALIZED, |
| EFFECT_STATE_INITIALIZED, |
| EFFECT_STATE_ACTIVE, |
| }; |
| |
| const effect_descriptor_t *descriptors[] = { |
| &equalizer_descriptor, |
| &bassboost_descriptor, |
| &virtualizer_descriptor, |
| &aux_env_reverb_descriptor, |
| &ins_env_reverb_descriptor, |
| &aux_preset_reverb_descriptor, |
| &ins_preset_reverb_descriptor, |
| NULL, |
| }; |
| |
| pthread_once_t once = PTHREAD_ONCE_INIT; |
| int init_status; |
| /* |
| * list of created effects. |
| * Updated by offload_effects_bundle_hal_start_output() |
| * and offload_effects_bundle_hal_stop_output() |
| */ |
| struct listnode created_effects_list; |
| /* |
| * list of active output streams. |
| * Updated by offload_effects_bundle_hal_start_output() |
| * and offload_effects_bundle_hal_stop_output() |
| */ |
| struct listnode active_outputs_list; |
| /* |
| * lock must be held when modifying or accessing |
| * created_effects_list or active_outputs_list |
| */ |
| pthread_mutex_t lock; |
| |
| |
| /* |
| * Local functions |
| */ |
| static void init_once() { |
| list_init(&created_effects_list); |
| list_init(&active_outputs_list); |
| |
| pthread_mutex_init(&lock, NULL); |
| |
| init_status = 0; |
| } |
| |
| int lib_init() |
| { |
| pthread_once(&once, init_once); |
| return init_status; |
| } |
| |
| bool effect_exists(effect_context_t *context) |
| { |
| struct listnode *node; |
| |
| list_for_each(node, &created_effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(node, |
| effect_context_t, |
| effects_list_node); |
| if (fx_ctxt == context) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| output_context_t *get_output(audio_io_handle_t output) |
| { |
| struct listnode *node; |
| |
| list_for_each(node, &active_outputs_list) { |
| output_context_t *out_ctxt = node_to_item(node, |
| output_context_t, |
| outputs_list_node); |
| if (out_ctxt->handle == output) |
| return out_ctxt; |
| } |
| return NULL; |
| } |
| |
| void add_effect_to_output(output_context_t * output, effect_context_t *context) |
| { |
| struct listnode *fx_node; |
| |
| ALOGV("%s: e_ctxt %p, o_ctxt %p", __func__, context, output); |
| list_for_each(fx_node, &output->effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(fx_node, |
| effect_context_t, |
| output_node); |
| if (fx_ctxt == context) |
| return; |
| } |
| list_add_tail(&output->effects_list, &context->output_node); |
| if (context->ops.start) |
| context->ops.start(context, output); |
| |
| } |
| |
| void remove_effect_from_output(output_context_t * output, |
| effect_context_t *context) |
| { |
| struct listnode *fx_node; |
| |
| ALOGV("%s: e_ctxt %p, o_ctxt %p", __func__, context, output); |
| list_for_each(fx_node, &output->effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(fx_node, |
| effect_context_t, |
| output_node); |
| if (fx_ctxt == context) { |
| if (context->ops.stop) |
| context->ops.stop(context, output); |
| list_remove(&context->output_node); |
| return; |
| } |
| } |
| } |
| |
| bool effects_enabled() |
| { |
| struct listnode *out_node; |
| |
| list_for_each(out_node, &active_outputs_list) { |
| struct listnode *fx_node; |
| output_context_t *out_ctxt = node_to_item(out_node, |
| output_context_t, |
| outputs_list_node); |
| |
| list_for_each(fx_node, &out_ctxt->effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(fx_node, |
| effect_context_t, |
| output_node); |
| if ((fx_ctxt->state == EFFECT_STATE_ACTIVE) && |
| (fx_ctxt->ops.process != NULL)) |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| /* |
| * Interface from audio HAL |
| */ |
| __attribute__ ((visibility ("default"))) |
| int offload_effects_bundle_hal_start_output(audio_io_handle_t output, int pcm_id) |
| { |
| int ret = 0; |
| struct listnode *node; |
| char mixer_string[128]; |
| output_context_t * out_ctxt = NULL; |
| |
| ALOGV("%s output %d pcm_id %d", __func__, output, pcm_id); |
| |
| if (lib_init() != 0) |
| return init_status; |
| |
| pthread_mutex_lock(&lock); |
| if (get_output(output) != NULL) { |
| ALOGW("%s output already started", __func__); |
| ret = -ENOSYS; |
| goto exit; |
| } |
| |
| out_ctxt = (output_context_t *) |
| malloc(sizeof(output_context_t)); |
| if (!out_ctxt) { |
| ALOGE("%s fail to allocate for output context", __func__); |
| ret = -ENOMEM; |
| goto exit; |
| } |
| out_ctxt->handle = output; |
| out_ctxt->pcm_device_id = pcm_id; |
| |
| /* populate the mixer control to send offload parameters */ |
| snprintf(mixer_string, sizeof(mixer_string), |
| "%s %d", "Audio Effects Config", out_ctxt->pcm_device_id); |
| out_ctxt->mixer = mixer_open(MIXER_CARD); |
| if (!out_ctxt->mixer) { |
| ALOGE("Failed to open mixer"); |
| out_ctxt->ctl = NULL; |
| ret = -EINVAL; |
| free(out_ctxt); |
| goto exit; |
| } else { |
| out_ctxt->ctl = mixer_get_ctl_by_name(out_ctxt->mixer, mixer_string); |
| if (!out_ctxt->ctl) { |
| ALOGE("mixer_get_ctl_by_name failed"); |
| mixer_close(out_ctxt->mixer); |
| out_ctxt->mixer = NULL; |
| ret = -EINVAL; |
| free(out_ctxt); |
| goto exit; |
| } |
| } |
| |
| list_init(&out_ctxt->effects_list); |
| |
| list_for_each(node, &created_effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(node, |
| effect_context_t, |
| effects_list_node); |
| if (fx_ctxt->out_handle == output) { |
| if (fx_ctxt->ops.start) |
| fx_ctxt->ops.start(fx_ctxt, out_ctxt); |
| list_add_tail(&out_ctxt->effects_list, &fx_ctxt->output_node); |
| } |
| } |
| list_add_tail(&active_outputs_list, &out_ctxt->outputs_list_node); |
| exit: |
| pthread_mutex_unlock(&lock); |
| return ret; |
| } |
| |
| __attribute__ ((visibility ("default"))) |
| int offload_effects_bundle_hal_stop_output(audio_io_handle_t output, int pcm_id) |
| { |
| int ret; |
| struct listnode *node; |
| struct listnode *fx_node; |
| output_context_t *out_ctxt; |
| |
| ALOGV("%s output %d pcm_id %d", __func__, output, pcm_id); |
| |
| if (lib_init() != 0) |
| return init_status; |
| |
| pthread_mutex_lock(&lock); |
| |
| out_ctxt = get_output(output); |
| if (out_ctxt == NULL) { |
| ALOGW("%s output not started", __func__); |
| ret = -ENOSYS; |
| goto exit; |
| } |
| |
| if (out_ctxt->mixer) |
| mixer_close(out_ctxt->mixer); |
| |
| list_for_each(fx_node, &out_ctxt->effects_list) { |
| effect_context_t *fx_ctxt = node_to_item(fx_node, |
| effect_context_t, |
| output_node); |
| if (fx_ctxt->ops.stop) |
| fx_ctxt->ops.stop(fx_ctxt, out_ctxt); |
| } |
| |
| list_remove(&out_ctxt->outputs_list_node); |
| |
| free(out_ctxt); |
| |
| exit: |
| pthread_mutex_unlock(&lock); |
| return ret; |
| } |
| |
| |
| /* |
| * Effect operations |
| */ |
| int set_config(effect_context_t *context, effect_config_t *config) |
| { |
| context->config = *config; |
| |
| if (context->ops.reset) |
| context->ops.reset(context); |
| |
| return 0; |
| } |
| |
| void get_config(effect_context_t *context, effect_config_t *config) |
| { |
| *config = context->config; |
| } |
| |
| |
| /* |
| * Effect Library Interface Implementation |
| */ |
| int effect_lib_create(const effect_uuid_t *uuid, |
| int32_t sessionId, |
| int32_t ioId, |
| effect_handle_t *pHandle) { |
| int ret; |
| int i; |
| |
| ALOGV("%s: sessionId: %d, ioId: %d", __func__, sessionId, ioId); |
| if (lib_init() != 0) |
| return init_status; |
| |
| if (pHandle == NULL || uuid == NULL) |
| return -EINVAL; |
| |
| for (i = 0; descriptors[i] != NULL; i++) { |
| if (memcmp(uuid, &descriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) |
| break; |
| } |
| |
| if (descriptors[i] == NULL) |
| return -EINVAL; |
| |
| effect_context_t *context; |
| if (memcmp(uuid, &equalizer_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| equalizer_context_t *eq_ctxt = (equalizer_context_t *) |
| calloc(1, sizeof(equalizer_context_t)); |
| if (eq_ctxt == NULL) { |
| return -ENOMEM; |
| } |
| context = (effect_context_t *)eq_ctxt; |
| context->ops.init = equalizer_init; |
| context->ops.reset = equalizer_reset; |
| context->ops.set_parameter = equalizer_set_parameter; |
| context->ops.get_parameter = equalizer_get_parameter; |
| context->ops.set_device = equalizer_set_device; |
| context->ops.enable = equalizer_enable; |
| context->ops.disable = equalizer_disable; |
| context->ops.start = equalizer_start; |
| context->ops.stop = equalizer_stop; |
| |
| context->desc = &equalizer_descriptor; |
| eq_ctxt->ctl = NULL; |
| } else if (memcmp(uuid, &bassboost_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| bassboost_context_t *bass_ctxt = (bassboost_context_t *) |
| calloc(1, sizeof(bassboost_context_t)); |
| if (bass_ctxt == NULL) { |
| return -ENOMEM; |
| } |
| context = (effect_context_t *)bass_ctxt; |
| context->ops.init = bassboost_init; |
| context->ops.reset = bassboost_reset; |
| context->ops.set_parameter = bassboost_set_parameter; |
| context->ops.get_parameter = bassboost_get_parameter; |
| context->ops.set_device = bassboost_set_device; |
| context->ops.enable = bassboost_enable; |
| context->ops.disable = bassboost_disable; |
| context->ops.start = bassboost_start; |
| context->ops.stop = bassboost_stop; |
| |
| context->desc = &bassboost_descriptor; |
| bass_ctxt->ctl = NULL; |
| } else if (memcmp(uuid, &virtualizer_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| virtualizer_context_t *virt_ctxt = (virtualizer_context_t *) |
| calloc(1, sizeof(virtualizer_context_t)); |
| if (virt_ctxt == NULL) { |
| return -ENOMEM; |
| } |
| context = (effect_context_t *)virt_ctxt; |
| context->ops.init = virtualizer_init; |
| context->ops.reset = virtualizer_reset; |
| context->ops.set_parameter = virtualizer_set_parameter; |
| context->ops.get_parameter = virtualizer_get_parameter; |
| context->ops.set_device = virtualizer_set_device; |
| context->ops.enable = virtualizer_enable; |
| context->ops.disable = virtualizer_disable; |
| context->ops.start = virtualizer_start; |
| context->ops.stop = virtualizer_stop; |
| |
| context->desc = &virtualizer_descriptor; |
| virt_ctxt->ctl = NULL; |
| } else if ((memcmp(uuid, &aux_env_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) || |
| (memcmp(uuid, &ins_env_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) || |
| (memcmp(uuid, &aux_preset_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) || |
| (memcmp(uuid, &ins_preset_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0)) { |
| reverb_context_t *reverb_ctxt = (reverb_context_t *) |
| calloc(1, sizeof(reverb_context_t)); |
| if (reverb_ctxt == NULL) { |
| return -ENOMEM; |
| } |
| context = (effect_context_t *)reverb_ctxt; |
| context->ops.init = reverb_init; |
| context->ops.reset = reverb_reset; |
| context->ops.set_parameter = reverb_set_parameter; |
| context->ops.get_parameter = reverb_get_parameter; |
| context->ops.set_device = reverb_set_device; |
| context->ops.enable = reverb_enable; |
| context->ops.disable = reverb_disable; |
| context->ops.start = reverb_start; |
| context->ops.stop = reverb_stop; |
| |
| if (memcmp(uuid, &aux_env_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| context->desc = &aux_env_reverb_descriptor; |
| reverb_auxiliary_init(reverb_ctxt); |
| } else if (memcmp(uuid, &ins_env_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| context->desc = &ins_env_reverb_descriptor; |
| reverb_preset_init(reverb_ctxt); |
| } else if (memcmp(uuid, &aux_preset_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| context->desc = &aux_preset_reverb_descriptor; |
| reverb_auxiliary_init(reverb_ctxt); |
| } else if (memcmp(uuid, &ins_preset_reverb_descriptor.uuid, |
| sizeof(effect_uuid_t)) == 0) { |
| context->desc = &ins_preset_reverb_descriptor; |
| reverb_preset_init(reverb_ctxt); |
| } |
| reverb_ctxt->ctl = NULL; |
| } else { |
| return -EINVAL; |
| } |
| |
| context->itfe = &effect_interface; |
| context->state = EFFECT_STATE_UNINITIALIZED; |
| context->out_handle = (audio_io_handle_t)ioId; |
| |
| ret = context->ops.init(context); |
| if (ret < 0) { |
| ALOGW("%s init failed", __func__); |
| free(context); |
| return ret; |
| } |
| |
| context->state = EFFECT_STATE_INITIALIZED; |
| |
| pthread_mutex_lock(&lock); |
| list_add_tail(&created_effects_list, &context->effects_list_node); |
| output_context_t *out_ctxt = get_output(ioId); |
| if (out_ctxt != NULL) |
| add_effect_to_output(out_ctxt, context); |
| pthread_mutex_unlock(&lock); |
| |
| *pHandle = (effect_handle_t)context; |
| |
| ALOGV("%s created context %p", __func__, context); |
| |
| return 0; |
| |
| } |
| |
| int effect_lib_release(effect_handle_t handle) |
| { |
| effect_context_t *context = (effect_context_t *)handle; |
| int status; |
| |
| if (lib_init() != 0) |
| return init_status; |
| |
| ALOGV("%s context %p", __func__, handle); |
| pthread_mutex_lock(&lock); |
| status = -EINVAL; |
| if (effect_exists(context)) { |
| output_context_t *out_ctxt = get_output(context->out_handle); |
| if (out_ctxt != NULL) |
| remove_effect_from_output(out_ctxt, context); |
| list_remove(&context->effects_list_node); |
| if (context->ops.release) |
| context->ops.release(context); |
| free(context); |
| status = 0; |
| } |
| pthread_mutex_unlock(&lock); |
| |
| return status; |
| } |
| |
| int effect_lib_get_descriptor(const effect_uuid_t *uuid, |
| effect_descriptor_t *descriptor) |
| { |
| int i; |
| |
| if (lib_init() != 0) |
| return init_status; |
| |
| if (descriptor == NULL || uuid == NULL) { |
| ALOGV("%s called with NULL pointer", __func__); |
| return -EINVAL; |
| } |
| |
| for (i = 0; descriptors[i] != NULL; i++) { |
| if (memcmp(uuid, &descriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) { |
| *descriptor = *descriptors[i]; |
| return 0; |
| } |
| } |
| |
| return -EINVAL; |
| } |
| |
| |
| /* |
| * Effect Control Interface Implementation |
| */ |
| |
| /* Stub function for effect interface: never called for offloaded effects */ |
| int effect_process(effect_handle_t self, |
| audio_buffer_t *inBuffer __unused, |
| audio_buffer_t *outBuffer __unused) |
| { |
| effect_context_t * context = (effect_context_t *)self; |
| int status = 0; |
| |
| ALOGW("%s: ctxt %p, Called ?????", __func__, context); |
| |
| pthread_mutex_lock(&lock); |
| if (!effect_exists(context)) { |
| status = -ENOSYS; |
| goto exit; |
| } |
| |
| if (context->state != EFFECT_STATE_ACTIVE) { |
| status = -ENODATA; |
| goto exit; |
| } |
| |
| exit: |
| pthread_mutex_unlock(&lock); |
| return status; |
| } |
| |
| int effect_command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize, |
| void *pCmdData, uint32_t *replySize, void *pReplyData) |
| { |
| |
| effect_context_t * context = (effect_context_t *)self; |
| int retsize; |
| int status = 0; |
| |
| pthread_mutex_lock(&lock); |
| |
| if (!effect_exists(context)) { |
| status = -ENOSYS; |
| goto exit; |
| } |
| |
| ALOGV("%s: ctxt %p, cmd %d", __func__, context, cmdCode); |
| if (context == NULL || context->state == EFFECT_STATE_UNINITIALIZED) { |
| status = -ENOSYS; |
| goto exit; |
| } |
| |
| switch (cmdCode) { |
| case EFFECT_CMD_INIT: |
| if (pReplyData == NULL || *replySize != sizeof(int)) { |
| status = -EINVAL; |
| goto exit; |
| } |
| if (context->ops.init) |
| *(int *) pReplyData = context->ops.init(context); |
| else |
| *(int *) pReplyData = 0; |
| break; |
| case EFFECT_CMD_SET_CONFIG: |
| if (pCmdData == NULL || cmdSize != sizeof(effect_config_t) |
| || pReplyData == NULL || *replySize != sizeof(int)) { |
| status = -EINVAL; |
| goto exit; |
| } |
| *(int *) pReplyData = set_config(context, (effect_config_t *) pCmdData); |
| break; |
| case EFFECT_CMD_GET_CONFIG: |
| if (pReplyData == NULL || |
| *replySize != sizeof(effect_config_t)) { |
| status = -EINVAL; |
| goto exit; |
| } |
| if (!context->offload_enabled) { |
| status = -EINVAL; |
| goto exit; |
| } |
| |
| get_config(context, (effect_config_t *)pReplyData); |
| break; |
| case EFFECT_CMD_RESET: |
| if (context->ops.reset) |
| context->ops.reset(context); |
| break; |
| case EFFECT_CMD_ENABLE: |
| if (pReplyData == NULL || *replySize != sizeof(int)) { |
| status = -EINVAL; |
| goto exit; |
| } |
| if (context->state != EFFECT_STATE_INITIALIZED) { |
| status = -ENOSYS; |
| goto exit; |
| } |
| context->state = EFFECT_STATE_ACTIVE; |
| if (context->ops.enable) |
| context->ops.enable(context); |
| *(int *)pReplyData = 0; |
| break; |
| case EFFECT_CMD_DISABLE: |
| if (pReplyData == NULL || *replySize != sizeof(int)) { |
| status = -EINVAL; |
| goto exit; |
| } |
| if (context->state != EFFECT_STATE_ACTIVE) { |
| status = -ENOSYS; |
| goto exit; |
| } |
| context->state = EFFECT_STATE_INITIALIZED; |
| if (context->ops.disable) |
| context->ops.disable(context); |
| *(int *)pReplyData = 0; |
| break; |
| case EFFECT_CMD_GET_PARAM: { |
| if (pCmdData == NULL || |
| cmdSize < (int)(sizeof(effect_param_t) + sizeof(uint32_t)) || |
| pReplyData == NULL || |
| *replySize < (int)(sizeof(effect_param_t) + sizeof(uint32_t) + |
| sizeof(uint16_t))) { |
| status = -EINVAL; |
| ALOGW("EFFECT_CMD_GET_PARAM invalid command cmdSize %d *replySize %d", |
| cmdSize, *replySize); |
| goto exit; |
| } |
| if (!context->offload_enabled) { |
| status = -EINVAL; |
| goto exit; |
| } |
| effect_param_t *q = (effect_param_t *)pCmdData; |
| memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + q->psize); |
| effect_param_t *p = (effect_param_t *)pReplyData; |
| if (context->ops.get_parameter) |
| context->ops.get_parameter(context, p, replySize); |
| } break; |
| case EFFECT_CMD_SET_PARAM: { |
| if (pCmdData == NULL || |
| cmdSize < (int)(sizeof(effect_param_t) + sizeof(uint32_t) + |
| sizeof(uint16_t)) || |
| pReplyData == NULL || *replySize != sizeof(int32_t)) { |
| status = -EINVAL; |
| ALOGW("EFFECT_CMD_SET_PARAM invalid command cmdSize %d *replySize %d", |
| cmdSize, *replySize); |
| goto exit; |
| } |
| *(int32_t *)pReplyData = 0; |
| effect_param_t *p = (effect_param_t *)pCmdData; |
| if (context->ops.set_parameter) |
| *(int32_t *)pReplyData = context->ops.set_parameter(context, p, |
| *replySize); |
| |
| } break; |
| case EFFECT_CMD_SET_DEVICE: { |
| uint32_t device; |
| ALOGV("\t EFFECT_CMD_SET_DEVICE start"); |
| if (pCmdData == NULL || cmdSize < sizeof(uint32_t)) { |
| status = -EINVAL; |
| ALOGW("EFFECT_CMD_SET_DEVICE invalid command cmdSize %d", cmdSize); |
| goto exit; |
| } |
| device = *(uint32_t *)pCmdData; |
| if (context->ops.set_device) |
| context->ops.set_device(context, device); |
| } break; |
| case EFFECT_CMD_SET_VOLUME: |
| case EFFECT_CMD_SET_AUDIO_MODE: |
| break; |
| |
| case EFFECT_CMD_OFFLOAD: { |
| output_context_t *out_ctxt; |
| |
| if (cmdSize != sizeof(effect_offload_param_t) || pCmdData == NULL |
| || pReplyData == NULL || *replySize != sizeof(int)) { |
| ALOGW("%s EFFECT_CMD_OFFLOAD bad format", __func__); |
| status = -EINVAL; |
| break; |
| } |
| |
| effect_offload_param_t* offload_param = (effect_offload_param_t*)pCmdData; |
| |
| ALOGV("%s EFFECT_CMD_OFFLOAD offload %d output %d", __func__, |
| offload_param->isOffload, offload_param->ioHandle); |
| |
| *(int *)pReplyData = 0; |
| |
| context->offload_enabled = offload_param->isOffload; |
| if (context->out_handle == offload_param->ioHandle) |
| break; |
| |
| out_ctxt = get_output(context->out_handle); |
| if (out_ctxt != NULL) |
| remove_effect_from_output(out_ctxt, context); |
| |
| context->out_handle = offload_param->ioHandle; |
| out_ctxt = get_output(context->out_handle); |
| if (out_ctxt != NULL) |
| add_effect_to_output(out_ctxt, context); |
| |
| } break; |
| |
| |
| default: |
| if (cmdCode >= EFFECT_CMD_FIRST_PROPRIETARY && context->ops.command) |
| status = context->ops.command(context, cmdCode, cmdSize, |
| pCmdData, replySize, pReplyData); |
| else { |
| ALOGW("%s invalid command %d", __func__, cmdCode); |
| status = -EINVAL; |
| } |
| break; |
| } |
| |
| exit: |
| pthread_mutex_unlock(&lock); |
| |
| return status; |
| } |
| |
| /* Effect Control Interface Implementation: get_descriptor */ |
| int effect_get_descriptor(effect_handle_t self, |
| effect_descriptor_t *descriptor) |
| { |
| effect_context_t *context = (effect_context_t *)self; |
| |
| if (!effect_exists(context) || (descriptor == NULL)) |
| return -EINVAL; |
| |
| *descriptor = *context->desc; |
| |
| return 0; |
| } |
| |
| bool effect_is_active(effect_context_t * ctxt) { |
| return ctxt->state == EFFECT_STATE_ACTIVE; |
| } |
| |
| /* effect_handle_t interface implementation for offload effects */ |
| const struct effect_interface_s effect_interface = { |
| effect_process, |
| effect_command, |
| effect_get_descriptor, |
| NULL, |
| }; |
| |
| __attribute__ ((visibility ("default"))) |
| audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = { |
| tag : AUDIO_EFFECT_LIBRARY_TAG, |
| version : EFFECT_LIBRARY_API_VERSION, |
| name : "Offload Effects Bundle Library", |
| implementor : "The Linux Foundation", |
| create_effect : effect_lib_create, |
| release_effect : effect_lib_release, |
| get_descriptor : effect_lib_get_descriptor, |
| }; |
