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/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <pthread.h>
/* effect generic definations */
enum {
EFFECT_BASSBOOST = 0,
EFFECT_VIRTUALIZER,
EFFECT_EQUALIZER,
EFFECT_VISUALIZER,
EFFECT_REVERB,
EFFECT_AUDIOSPHERE,
EFFECT_MAX
};
extern const char *effect_str[EFFECT_MAX];
/* defination of effect thread entries and data structures */
typedef void* (*thread_func_t)(void *);
extern thread_func_t effect_thread_funcs[EFFECT_MAX];
void *bassboost_thread_func(void*); // thread main of bassboost effect
void *virtualizer_thread_func(void*); // thread main of virtualizer effect
void *equalizer_thread_func(void*); // thread main of equalizer effect
void *visualizer_thread_func(void*); // thread main of visualizer effect
void *reverb_thread_func(void*); // thread main of reverb effect
void *command_thread_func(void*); // thread main of effect command
void *asphere_thread_func(void*); // thread main of audiosphere effect
typedef struct thread_data {
pthread_t effect_thread;
pthread_attr_t attr;
pthread_mutex_t mutex;
pthread_cond_t loop_cond;
audio_io_handle_t io_handle;
int who_am_i;
volatile bool exit;
int cmd;
uint32_t cmd_code;
uint32_t cmd_size;
void *cmd_data;
uint32_t *reply_size;
void *reply_data;
int default_value;
bool default_flag;
} thread_data_t;
typedef struct cmd_data {
pthread_t cmd_thread;
pthread_attr_t attr;
volatile bool exit;
thread_data_t **fx_data_ptr;
} cmd_data_t;
/* effect thread manipulate operations */
extern thread_data_t *create_effect_thread(int, thread_func_t);
extern void notify_effect_command(thread_data_t *, int, uint32_t, uint32_t, void *);
extern void destroy_effect_thread(thread_data_t *);
enum {
EFFECT_LOAD_LIB = 1,
EFFECT_GET_DESC,
EFFECT_CREATE,
EFFECT_CMD,
EFFECT_PROC,
EFFECT_RELEASE,
EFFECT_UNLOAD_LIB,
EFFECT_EXIT
};
enum {
TTY_INVALID = 0,
TTY_ENABLE,
TTY_DISABLE,
TTY_BB_SET_STRENGTH,
TTY_VT_SET_STRENGTH,
TTY_EQ_SET_PRESET,
TTY_EQ_SET_CUSTOM,
TTY_RB_SET_PRESET,
TTY_ASPHERE_SET_STRENGTH,
};
/* user prompt definations */
#define TTY_CMD_MAX 4
typedef struct cmd_def {
char *cmd_str;
uint32_t cmd_id;
char *cmd_prompt;
} cmd_def_t;
int get_key_from_name(int, const char *);
char *get_prompt_from_name(int, const char *);
bool is_valid_input(char *);
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