pinebuds/apps/audioplayers/app_audio.cpp

/***************************************************************************
 *
 * Copyright 2015-2019 BES.
 * All rights reserved. All unpublished rights reserved.
 *
 * No part of this work may be used or reproduced in any form or by any
 * means, or stored in a database or retrieval system, without prior written
 * permission of BES.
 *
 * Use of this work is governed by a license granted by BES.
 * This work contains confidential and proprietary information of
 * BES. which is protected by copyright, trade secret,
 * trademark and other intellectual property rights.
 *
 ****************************************************************************/
#include "cmsis_os.h"
#include "app_bt_trace.h"
#include "string.h"

#include "cqueue.h"
#include "list.h"
#include "hal_aud.h"
#include "resources.h"
#include "app_thread.h"
#include "app_audio.h"
#include "app_media_player.h"
#include "app_ring_merge.h"
#include "nvrecord.h"
#include <assert.h>

#include "a2dp_api.h"

#include "btapp.h"
#include "app_bt_media_manager.h"

extern uint8_t __StackLimit[];
extern uint8_t __HeapLimit[];

static const size_t heap_size = __StackLimit - __HeapLimit - 512;

static bool app_audio_init = false;

static uint32_t capture_audio_buff_size_used;
// from the bottom of the system available memory pool, size is APP_CAPTURE_AUDIO_BUFFER_SIZE
// can be overlayed with the sco used audio buffer
static uint8_t* capture_audio_buffer = __HeapLimit + heap_size - APP_CAPTURE_AUDIO_BUFFER_SIZE;

int app_capture_audio_mempool_init(void)
{
    TRACE_AUD_HDL_I("[CAPMEM][INIT] size %d.", APP_CAPTURE_AUDIO_BUFFER_SIZE);
    capture_audio_buff_size_used = 0;
    memset((uint8_t *)capture_audio_buffer, 0, APP_CAPTURE_AUDIO_BUFFER_SIZE);

    return 0;
}

uint32_t app_capture_audio_mempool_free_buff_size()
{
    return APP_CAPTURE_AUDIO_BUFFER_SIZE - capture_audio_buff_size_used;
}

int app_capture_audio_mempool_get_buff(uint8_t **buff, uint32_t size)
{
    uint32_t buff_size_free;
    uint8_t* capture_buf_addr = (uint8_t *)capture_audio_buffer;
    buff_size_free = app_capture_audio_mempool_free_buff_size();

    if (size % 4){
        size = size + (4 - size % 4);
    }

    TRACE_AUD_HDL_I("[CAPMEM][GET] current free %d to allocate %d", buff_size_free, size);

    ASSERT(size <= buff_size_free, "[%s] size = %d > free size = %d", __func__, size, buff_size_free);

    *buff = capture_buf_addr + capture_audio_buff_size_used;

    capture_audio_buff_size_used += size;
    TRACE_AUD_HDL_I("[CAPMEM][GET] %d, now used %d left %d",
        size, capture_audio_buff_size_used, app_capture_audio_mempool_free_buff_size());

    return 0;
}

osPoolDef (app_audio_status_mempool, 20, APP_AUDIO_STATUS);
osPoolId   app_audio_status_mempool = NULL;

// control queue access
osMutexId g_app_audio_queue_mutex_id = NULL;
osMutexDef(g_app_audio_queue_mutex);

// control pcmbuff access
static CQueue app_audio_pcm_queue;
static osMutexId app_audio_pcmbuff_mutex_id = NULL;
osMutexDef(app_audio_pcmbuff_mutex);

#ifdef __AUDIO_QUEUE_SUPPORT__

typedef struct {
  list_t *audio_list;
}APP_AUDIO_CONFIG;

APP_AUDIO_CONFIG app_audio_conifg = {
    .audio_list = NULL
};

#endif

void LOCK_APP_AUDIO_QUEUE()
{
    osMutexWait(g_app_audio_queue_mutex_id, osWaitForever);
}

void UNLOCK_APP_AUDIO_QUEUE()
{
    osMutexRelease(g_app_audio_queue_mutex_id);
}

uint32_t app_audio_lr_balance(uint8_t *buf, uint32_t len, int8_t balance)
{
    short *balance_buf=(short *)buf;
    uint32_t balance_len = len/2;
    float factor;

    ASSERT((balance >= -100) && (balance <= 100), "balance = %d is invalid!", balance);

    if(balance > 0)
    {
        //reduce L channel
        factor = 1 - 0.01 * balance;
        for(uint32_t i=0; i<balance_len;i+=2)
        {
            balance_buf[i] = (short) (factor * balance_buf[i]);
        }
    }
    else if(balance < 0)
    {
        //reduce R channel
        factor = 1 + 0.01 * balance;
        for(uint32_t i=0; i<balance_len;i+=2)
        {
            balance_buf[i+1] = (short) (factor * balance_buf[i+1]);
        }
    }
    return 0;
}

void app_audio_mempool_init_with_specific_size(uint32_t size)
{
    syspool_init_specific_size(size);
}

int app_audio_pcmbuff_init(uint8_t *buff, uint16_t len)
{
    if (app_audio_pcmbuff_mutex_id == NULL)
        app_audio_pcmbuff_mutex_id = osMutexCreate((osMutex(app_audio_pcmbuff_mutex)));

    if ((buff == NULL)||(app_audio_pcmbuff_mutex_id == NULL))
        return -1;

    osMutexWait(app_audio_pcmbuff_mutex_id, osWaitForever);
    InitCQueue(&app_audio_pcm_queue, len, buff);
    memset(buff, 0x00, len);
    osMutexRelease(app_audio_pcmbuff_mutex_id);

    return 0;
}

int app_audio_pcmbuff_length(void)
{
    int len;

    osMutexWait(app_audio_pcmbuff_mutex_id, osWaitForever);
    len = LengthOfCQueue(&app_audio_pcm_queue);
    osMutexRelease(app_audio_pcmbuff_mutex_id);

    return len;
}

int app_audio_pcmbuff_put(uint8_t *buff, uint16_t len)
{
    int status;

    osMutexWait(app_audio_pcmbuff_mutex_id, osWaitForever);
    status = EnCQueue(&app_audio_pcm_queue, buff, len);
    osMutexRelease(app_audio_pcmbuff_mutex_id);

    return status;
}

int app_audio_pcmbuff_get(uint8_t *buff, uint16_t len)
{
    unsigned char *e1 = NULL, *e2 = NULL;
    unsigned int len1 = 0, len2 = 0;
    int status;

    osMutexWait(app_audio_pcmbuff_mutex_id, osWaitForever);
    status = PeekCQueue(&app_audio_pcm_queue, len, &e1, &len1, &e2, &len2);
    if (len==(len1+len2)){
        memcpy(buff,e1,len1);
        memcpy(buff+len1,e2,len2);
        DeCQueue(&app_audio_pcm_queue, 0, len1);
        DeCQueue(&app_audio_pcm_queue, 0, len2);
    }else{
        memset(buff, 0x00, len);
        status = -1;
    }
    osMutexRelease(app_audio_pcmbuff_mutex_id);

    return status;
}

int app_audio_pcmbuff_discard(uint16_t len)
{
    int status;

    osMutexWait(app_audio_pcmbuff_mutex_id, osWaitForever);
    status = DeCQueue(&app_audio_pcm_queue, 0, len);
    osMutexRelease(app_audio_pcmbuff_mutex_id);

    return status;
}

void __attribute__((section(".fast_text_sram"))) app_audio_memcpy_16bit(int16_t *des, int16_t *src, int len)
{
    // Check input
    for(int i=0; i<len; i++)
    {
        des[i] = src[i];
    }
}

void __attribute__((section(".fast_text_sram"))) app_audio_memset_16bit(int16_t *des, int16_t val, int len)
{
    // Check input
    for(int i=0; i<len; i++)
    {
        des[i] = val;
    }
}

#ifdef __AUDIO_QUEUE_SUPPORT__
int app_audio_sendrequest_param(uint16_t id, uint8_t status, uint32_t ptr, uint32_t param)
{
    uint32_t audevt;
    APP_MESSAGE_BLOCK msg;

    if(app_audio_init == false)
        return -1;

    msg.mod_id = APP_MODUAL_AUDIO;
    APP_AUDIO_SET_MESSAGE(audevt, id, status);
    msg.msg_body.message_id = audevt;
    msg.msg_body.message_ptr = ptr;
    msg.msg_body.message_Param0 = param;
    app_mailbox_put(&msg);

    return 0;
}

int app_audio_sendrequest(uint16_t id, uint8_t status, uint32_t ptr)
{
    return app_audio_sendrequest_param(id, status, ptr, 0);
}

extern bool app_audio_list_playback_exist(void);
#ifdef MEDIA_PLAYER_SUPPORT
static uint8_t app_audio_get_list_playback_num(void)
{
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;
    uint8_t num=0;
    for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node))
    {
        audio_handle = (APP_AUDIO_STATUS *)list_node(node);
        if(audio_handle == NULL)
        {
            return num;
        }
        if (audio_handle->id == APP_PLAY_BACK_AUDIO)
            num++;
    }
    return num;
}
#endif
#endif

static bool need_flush_flash_switch_audio = false;
void app_audio_switch_flash_flush_req(void)
{
    uint32_t lock;

    lock = int_lock();
    need_flush_flash_switch_audio = true;
    int_unlock(lock);
}

static void app_audio_switch_flash_proc(void)
{
    // no need to do this across the audio switch, 
    // will use suspend flash erase to assure that no audio
    // irq is missing for handling caused by long time global irq disabling
    // during flash erase.
    // Just flash the nvrecord flash periodically
    return; 

    uint32_t lock;
    bool need_flush_flash = false;

    lock = int_lock();
    if (need_flush_flash_switch_audio){
        need_flush_flash_switch_audio = false;
        need_flush_flash = true;
    }
    int_unlock(lock);

    if (need_flush_flash){
#ifndef FPGA
        nv_record_flash_flush();
#endif
    }
}

#ifdef VOICE_DATAPATH
static bool app_audio_handle_pre_processing(APP_MESSAGE_BODY *msg_body)
{
    uint16_t stream_type;
    APP_AUDIO_GET_AUD_ID(msg_body->message_ptr, stream_type);

    bool isToResetCaptureStream = false;
    if ((BT_STREAM_SBC == stream_type) || (BT_STREAM_MEDIA == stream_type))
    {
        if (app_audio_manager_capture_is_active())
        {
            isToResetCaptureStream = true;
        }
    }

    if (isToResetCaptureStream)
    {
        app_audio_manager_sendrequest(APP_BT_STREAM_MANAGER_STOP,
                BT_STREAM_CAPTURE, 0, 0);

        APP_MESSAGE_BLOCK msg;
        msg.msg_body = *msg_body;
        msg.mod_id = APP_MODUAL_AUDIO_MANAGE;
        app_mailbox_put(&msg);
        app_audio_manager_sendrequest(APP_BT_STREAM_MANAGER_START,
                BT_STREAM_CAPTURE, 0, 0);

        return false;
    }
    else
    {
        return true;
    }
}
#endif

static int app_audio_handle_process(APP_MESSAGE_BODY *msg_body)
{
    int nRet = -1;

    APP_AUDIO_STATUS aud_status;

    if (app_audio_init == false)
        return -1;

#ifdef VOICE_DATAPATH
    bool isContinue = app_audio_handle_pre_processing(msg_body);
    if (!isContinue)
    {
        return -1;
    }
#endif

    APP_AUDIO_GET_ID(msg_body->message_id, aud_status.id);
    APP_AUDIO_GET_STATUS(msg_body->message_id, aud_status.status);
    APP_AUDIO_GET_AUD_ID(msg_body->message_ptr, aud_status.aud_id);
    APP_AUDIO_GET_FREQ(msg_body->message_Param0, aud_status.freq);

    switch (aud_status.status)
    {
    case APP_BT_SETTING_OPEN:
#ifdef __AUDIO_QUEUE_SUPPORT__
        TRACE_AUD_HDL_I(
                    "[OPEN] before status_id: 0x%x%s, aud_id: %d, len = %d",
                    aud_status.id,
                    player2str(aud_status.id),
                    aud_status.aud_id,
                    list_length(app_audio_conifg.audio_list));

        if (app_audio_list_append(&aud_status))
        {
            app_bt_stream_open(&aud_status);
            TRACE_AUD_HDL_I(
                        "[OPEN] after status_id: 0x%x%s, len = %d",
                        aud_status.id,
                        player2str(aud_status.id),
                        list_length(app_audio_conifg.audio_list));
        }
#else
        app_bt_stream_open(&aud_status);
#endif

        break;
    case APP_BT_SETTING_CLOSE:
        app_audio_switch_flash_proc();
#ifdef __AUDIO_QUEUE_SUPPORT__
        APP_AUDIO_STATUS next_status;
        TRACE_AUD_HDL_I(
                    "[CLOSE] current id: 0x%x%s",
                    aud_status.id,
                    player2str(aud_status.id));
        app_bt_stream_close(aud_status.id);
        app_audio_switch_flash_proc();
#ifdef MEDIA_PLAYER_SUPPORT
        if (aud_status.id == APP_PLAY_BACK_AUDIO)
        {
            TRACE_AUD_HDL_I("[CLOSE] list: %d", app_audio_get_list_playback_num());
            if (app_audio_get_list_playback_num() == 1)
            {
                TRACE_AUD_HDL_I("=======>APP_BT_SETTING_CLOSE MEDIA");
                bt_media_stop(BT_STREAM_MEDIA, BT_DEVICE_ID_1);
            }
        }
#endif
        if (app_audio_list_rmv_callback(&aud_status, &next_status, APP_BT_SETTING_Q_POS_HEAD, false))
        {
            TRACE_AUD_HDL_I(
                        "[CLOSE] %p, next id: 0x%x%s, status %d",
                        &next_status,
                        next_status.id,
                        player2str(next_status.id),
                        next_status.status);
            app_bt_stream_open(&next_status);
        }
#else
        app_bt_stream_close(aud_status.id);
        app_audio_switch_flash_proc();
#endif
        break;
    case APP_BT_SETTING_SETUP:
        app_bt_stream_setup(aud_status.id, msg_body->message_ptr);
        break;
    case APP_BT_SETTING_RESTART:
        app_bt_stream_restart(&aud_status);
        break;
    case APP_BT_SETTING_CLOSEALL:
        app_bt_stream_closeall();
#ifdef __AUDIO_QUEUE_SUPPORT__
        app_audio_list_clear();
#endif
        app_audio_switch_flash_proc();
        break;
    default:
        break;
    }

    return nRet;
}

#ifdef __AUDIO_QUEUE_SUPPORT__
static void app_audio_handle_free(void* data)
{
#ifdef MEDIA_PLAYER_SUPPORT
    APP_AUDIO_STATUS * status = (APP_AUDIO_STATUS * )data;

    if(status->id == APP_PLAY_BACK_AUDIO)
    {
        TRACE_AUD_HDL_I("[HANDLE_FREE] , aud_id: 0x%x, type = 0x%x", status->aud_id, status->aud_type);
    }
#endif
    osPoolFree (app_audio_status_mempool, data);
}

void app_audio_list_create()
{
    if (app_audio_conifg.audio_list == NULL)
    {
        app_audio_conifg.audio_list = list_new(app_audio_handle_free, NULL, NULL);
    }
}

bool app_audio_list_stream_exist()
{
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;

    for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node)) {

        audio_handle = (APP_AUDIO_STATUS *)list_node(node);
        if(audio_handle == NULL)
        {
            return false;
        }
        if (audio_handle->id == APP_BT_STREAM_HFP_PCM ||
            audio_handle->id == APP_BT_STREAM_HFP_CVSD ||
            audio_handle->id == APP_BT_STREAM_HFP_VENDOR ||
            audio_handle->id == APP_BT_STREAM_A2DP_SBC ||
            audio_handle->id == APP_BT_STREAM_A2DP_AAC ||
#ifdef VOICE_DATAPATH
            audio_handle->id == APP_BT_STREAM_VOICEPATH ||
#endif
#ifdef __AI_VOICE__
            audio_handle->id == APP_BT_STREAM_AI_VOICE ||
#endif
#ifdef __THIRDPARTY
            audio_handle->id == APP_BT_STREAM_THIRDPARTY_VOICE ||
#endif
            audio_handle->id == APP_BT_STREAM_A2DP_VENDOR
        ) {
            TRACE_AUD_HDL_I("[STREAM_LIST][EXIST] id 0x%x", audio_handle->id);
            return true;
        }
    }

    return false;
}

bool app_audio_list_filter_exist(APP_AUDIO_STATUS* aud_status)
{
#ifdef MEDIA_PLAYER_SUPPORT
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;
    uint8_t cnt = 0;

    if (aud_status->id == APP_PLAY_BACK_AUDIO){
        if(aud_status->aud_id == AUD_ID_BT_CALL_INCOMING_CALL) {
            for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node)) {
                audio_handle = (APP_AUDIO_STATUS *)list_node(node);
                if(audio_handle == NULL)
                {
                    return false;
                }
                if (audio_handle->id == APP_PLAY_BACK_AUDIO && audio_handle->aud_id == AUD_ID_BT_CALL_INCOMING_CALL) {
                    TRACE_AUD_HDL_I("[STREAM_LIST][FILTER] id 0x%x", audio_handle->id);
                    return true;
                }
            }
        } else {
            for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node)) {
                audio_handle = (APP_AUDIO_STATUS *)list_node(node);
                    if (cnt++ > 1) {
                        TRACE_AUD_HDL_I("[STREAM_LIST][FILTER] cnt %d", cnt);
                        return true;
                    }
            }
        }
    }
#endif
    return false;
}

bool app_audio_list_playback_exist(void)
{
#ifdef MEDIA_PLAYER_SUPPORT
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;

    for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node)) {
        audio_handle = (APP_AUDIO_STATUS *)list_node(node);
        if(audio_handle == NULL)
        {
            return false;
        }
        if (audio_handle->id == APP_PLAY_BACK_AUDIO) {
            TRACE_AUD_HDL_I("[STREAM_LIST][PLAYBACK_EXIST]");
            return true;
        }
    }
#endif
    return false;
}

void app_audio_list_playback_clear(void)
{
#ifdef MEDIA_PLAYER_SUPPORT
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;

    for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node)) {
        audio_handle = (APP_AUDIO_STATUS *)list_node(node);
        if(audio_handle == NULL)
        {
            TRACE_AUD_HDL_I("[STREAM_LIST][CLR] find null\n ");
            return; 
        }
        if (audio_handle->id == APP_PLAY_BACK_AUDIO){
            list_remove(app_audio_conifg.audio_list, list_node(node));
        }
    }
#endif
}

bool app_audio_list_append(APP_AUDIO_STATUS* aud_status)
{
    APP_AUDIO_STATUS *data_to_append = NULL;
    bool add_data_to_head_of_list = false;
    bool ret = true;
    TRACE_AUD_HDL_I("[STREAM_LIST][APPEND] id 0x%x%s", aud_status->id, player2str(aud_status->id));
#ifdef MEDIA_PLAYER_SUPPORT
    if (aud_status->id == APP_PLAY_BACK_AUDIO)
    {
        //ignore redundant ring ind from hfp...
        if (app_audio_list_filter_exist(aud_status))
        {
            return false;
        }

        if (app_audio_list_playback_exist())
        {
            if (list_length(app_audio_conifg.audio_list) >= MAX_AUDIO_BUF_LIST)
            {
                if (app_audio_list_stream_exist())
                {
                    data_to_append = (APP_AUDIO_STATUS *)osPoolCAlloc (app_audio_status_mempool);
                    if(data_to_append == NULL)
                    {
                        return false;
                    }
                    memcpy(data_to_append, (const void *)list_front(app_audio_conifg.audio_list), sizeof(APP_AUDIO_STATUS));
                    add_data_to_head_of_list = true;
                }

                app_audio_list_clear();
                TRACE_AUD_HDL_E("[STREAM_LIST][APPEND] FIXME!!!!\n ");
            }
            else
            {
                ret = false;
            }
        }
    }
    else
#endif
    {
        add_data_to_head_of_list = true;
    }

    if (data_to_append == NULL)
    {
        data_to_append = (APP_AUDIO_STATUS *)osPoolCAlloc (app_audio_status_mempool);
        if(data_to_append == NULL)
        {
            return false;
        }
        memcpy(data_to_append, aud_status, sizeof(APP_AUDIO_STATUS));
    }

    if (add_data_to_head_of_list)
    {
        list_prepend(app_audio_conifg.audio_list, (void*)data_to_append);
    }
    else
    {
        list_append(app_audio_conifg.audio_list, (void*)data_to_append);
    }

    TRACE_AUD_HDL_I("[STREAM_LIST][APPEND] id 0x%x%s status %d len %d ret %d", data_to_append->id, player2str(data_to_append->id), \
                    data_to_append->status, list_length(app_audio_conifg.audio_list), ret);
    return ret;
}

bool app_audio_list_rmv_callback(APP_AUDIO_STATUS *status_close, APP_AUDIO_STATUS *status_next, enum APP_BT_AUDIO_Q_POS pos, bool pop_next)
{
    void *data_to_remove = NULL;
    bool ret = false;

    //for status: first bt_a2dp->APP_BT_SETTING_CLOSE,then ring-> APP_BT_SETTING_CLOSE
    TRACE_AUD_HDL_I("[STREAM_LIST][RMV] audio list len %d close_id 0x%x%s", list_length(app_audio_conifg.audio_list), \
                                                        status_close->id, player2str(status_close->id));
    if(list_length(app_audio_conifg.audio_list) == 0)
    {
        return false;
    }

#ifdef MEDIA_PLAYER_SUPPORT
    APP_AUDIO_STATUS *audio_handle = NULL;
    list_node_t *node = NULL;
    if (status_close->id == APP_PLAY_BACK_AUDIO)
    {
        for (node = list_begin(app_audio_conifg.audio_list); node != list_end(app_audio_conifg.audio_list); node = list_next(node))
        {
            audio_handle = (APP_AUDIO_STATUS *)list_node(node);
            if(audio_handle == NULL)
            {
                return ret;
            }
            if (audio_handle->id == APP_PLAY_BACK_AUDIO)
            {
                list_node_t *nod_next = list_next(node);
                data_to_remove = list_node(node);

                if (pop_next)
                {
                    memcpy(status_next, list_node(node), sizeof(APP_AUDIO_STATUS));
                    ret = true;
                    break;
                }
                if (nod_next != NULL)
                {
                    memcpy(status_next, list_node(nod_next), sizeof(APP_AUDIO_STATUS));
                    ASSERT(status_next->id == APP_PLAY_BACK_AUDIO, "[%s] 111ERROR: status_next->id != APP_PLAY_BACK_AUDIO", __func__);

                    ret = true;
                }
                else if (app_audio_list_stream_exist())
                {
                    void *indata = list_front(app_audio_conifg.audio_list);
                    if(indata == NULL)
                    {
                        return ret;
                    }
                    memcpy(status_next, indata, sizeof(APP_AUDIO_STATUS));
                    ASSERT(status_next->id != APP_PLAY_BACK_AUDIO, "[%s] 222ERROR: status_next->id != APP_PLAY_BACK_AUDIO", __func__);

                    ret = true;
                }
                break;
            }
        }
    }
    else //maybe...a2dp send >> APP_BT_SETTING_CLOSE,  when ring
#endif
    {
        if (app_audio_list_stream_exist())
        {
            if(pos == APP_BT_SETTING_Q_POS_HEAD)
            {
                data_to_remove = list_front(app_audio_conifg.audio_list);
            }
            else if (pos == APP_BT_SETTING_Q_POS_TAIL)
            {
                data_to_remove = list_back(app_audio_conifg.audio_list);
            }
        }
    }

    if (data_to_remove)
    {
        list_remove(app_audio_conifg.audio_list, data_to_remove);
    }
    TRACE_AUD_HDL_I("[STREAM_LIST][RMV] end len:%d ret %d data %p", list_length(app_audio_conifg.audio_list), ret, data_to_remove);
    return ret;
}

void app_audio_list_clear()
{
    list_clear(app_audio_conifg.audio_list);
}
#endif

void app_audio_open(void)
{
    if(app_audio_init)
    {
        return;
    }
    if (g_app_audio_queue_mutex_id == NULL)
    {
        g_app_audio_queue_mutex_id = osMutexCreate((osMutex(g_app_audio_queue_mutex)));
    }
    else
    {
        ASSERT(0, "[%s] ERROR: g_app_audio_queue_mutex_id != NULL", __func__);
    }

    if (app_audio_status_mempool == NULL)
        app_audio_status_mempool = osPoolCreate(osPool(app_audio_status_mempool));
    ASSERT(app_audio_status_mempool, "[%s] ERROR: app_audio_status_mempool != NULL", __func__);

#ifdef __AUDIO_QUEUE_SUPPORT__
    app_audio_list_create();
#endif
    app_ring_merge_init();

    app_set_threadhandle(APP_MODUAL_AUDIO, app_audio_handle_process);

    app_bt_stream_init();

    app_audio_init = true;
}

void app_audio_close(void)
{
    app_set_threadhandle(APP_MODUAL_AUDIO, NULL);
    app_audio_init = false;
}