| Subhash Chandra Bose Naripeddy | 3eedc00 | 2013-11-12 20:45:15 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| 3 | * Not a contribution. |
| 4 | * |
| 5 | * Copyright (C) 2013 The Android Open Source Project |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | * you may not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
| 10 | * |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | * |
| 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
| 18 | */ |
| 19 | |
| 20 | #ifndef OFFLOAD_EFFECT_BUNDLE_H |
| 21 | #define OFFLOAD_EFFECT_BUNDLE_H |
| 22 | |
| 23 | #include <tinyalsa/asoundlib.h> |
| 24 | #include <audio_effects.h> |
| 25 | #include "effect_api.h" |
| 26 | |
| 27 | /* Retry for delay for mixer open */ |
| 28 | #define RETRY_NUMBER 10 |
| 29 | #define RETRY_US 500000 |
| 30 | |
| 31 | #define MIXER_CARD 0 |
| 32 | #define SOUND_CARD 0 |
| 33 | |
| 34 | extern const struct effect_interface_s effect_interface; |
| 35 | |
| 36 | typedef struct output_context_s output_context_t; |
| 37 | typedef struct effect_ops_s effect_ops_t; |
| 38 | typedef struct effect_context_s effect_context_t; |
| 39 | |
| 40 | struct output_context_s { |
| 41 | /* node in active_outputs_list */ |
| 42 | struct listnode outputs_list_node; |
| 43 | /* io handle */ |
| 44 | audio_io_handle_t handle; |
| 45 | /* list of effects attached to this output */ |
| 46 | struct listnode effects_list; |
| 47 | /* pcm device id */ |
| 48 | int pcm_device_id; |
| 49 | struct mixer *mixer; |
| 50 | struct mixer_ctl *ctl; |
| 51 | }; |
| 52 | |
| 53 | /* effect specific operations. |
| 54 | * Only the init() and process() operations must be defined. |
| 55 | * Others are optional. |
| 56 | */ |
| 57 | struct effect_ops_s { |
| 58 | int (*init)(effect_context_t *context); |
| 59 | int (*release)(effect_context_t *context); |
| 60 | int (*reset)(effect_context_t *context); |
| 61 | int (*enable)(effect_context_t *context); |
| 62 | int (*start)(effect_context_t *context, output_context_t *output); |
| 63 | int (*stop)(effect_context_t *context, output_context_t *output); |
| 64 | int (*disable)(effect_context_t *context); |
| 65 | int (*process)(effect_context_t *context, audio_buffer_t *in, audio_buffer_t *out); |
| 66 | int (*set_parameter)(effect_context_t *context, effect_param_t *param, uint32_t size); |
| 67 | int (*get_parameter)(effect_context_t *context, effect_param_t *param, uint32_t *size); |
| 68 | int (*set_device)(effect_context_t *context, uint32_t device); |
| 69 | int (*command)(effect_context_t *context, uint32_t cmdCode, uint32_t cmdSize, |
| 70 | void *pCmdData, uint32_t *replySize, void *pReplyData); |
| 71 | }; |
| 72 | |
| 73 | struct effect_context_s { |
| 74 | const struct effect_interface_s *itfe; |
| 75 | /* node in created_effects_list */ |
| 76 | struct listnode effects_list_node; |
| 77 | /* node in output_context_t.effects_list */ |
| 78 | struct listnode output_node; |
| 79 | effect_config_t config; |
| 80 | const effect_descriptor_t *desc; |
| 81 | /* io handle of the output the effect is attached to */ |
| 82 | audio_io_handle_t out_handle; |
| 83 | uint32_t state; |
| 84 | bool offload_enabled; |
| 85 | effect_ops_t ops; |
| 86 | }; |
| 87 | |
| 88 | int set_config(effect_context_t *context, effect_config_t *config); |
| 89 | |
| 90 | #endif /* OFFLOAD_EFFECT_BUNDLE_H */ |