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pinebuds/apps/audioplayers/a2dp_decoder/a2dp_decoder.cpp

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/***************************************************************************
*
* 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 All unpublished rights reserved.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.
*
****************************************************************************/
// Standard C Included Files
#include "a2dp_decoder.h"
#include "a2dp_decoder_internal.h"
#include "app_audio.h"
#include "app_bt.h"
#include "app_bt_media_manager.h"
#include "audioflinger.h"
#include "avdtp_api.h"
#include "bt_drv_reg_op.h"
#include "cmsis.h"
#include "cmsis_os.h"
#include "codec_sbc.h"
#include "hal_location.h"
#include "hal_timer.h"
#include "heap_api.h"
#include "plat_types.h"
#include <string.h>
#if defined(IBRT)
#include "app_ibrt_if.h"
#include "app_tws_ctrl_thread.h"
#include "app_tws_ibrt_audio_analysis.h"
#include "app_tws_ibrt_audio_sync.h"
#include "app_tws_ibrt_cmd_handler.h"
#include "bt_drv_interface.h"
#include "btapp.h"
#endif
#include "audio_prompt_sbc.h"
#include "crc32.h"
#ifndef A2DP_AUDIO_MEMPOOL_SIZE
#if defined(A2DP_LDAC_ON)
#define A2DP_AUDIO_LDAC_MEMPOOL_SIZE (76 * 1024)
#endif
#define A2DP_AUDIO_MEMPOOL_SIZE (72 * 1024)
#endif
#define A2DP_AUDIO_WAIT_TIMEOUT_MS (500)
#define A2DP_AUDIO_MUTE_FRAME_CNT_AFTER_NO_CACHE (25)
#define A2DP_AUDIO_SKIP_FRAME_LIMIT_AFTER_NO_CACHE (50)
#define A2DP_AUDIO_REFILL_AFTER_NO_CACHE (1)
#ifdef __A2DP_AUDIO_SYNC_FIX_DIFF_NOPID__
#define A2DP_AUDIO_SYNC_INTERVAL (25)
#else
#define A2DP_AUDIO_SYNC_INTERVAL (1000)
#endif
#define A2DP_AUDIO_LATENCY_LOW_FACTOR (1.0f)
#define A2DP_AUDIO_LATENCY_HIGH_FACTOR (1.6f)
#define A2DP_AUDIO_LATENCY_MORE_FACTOR (1.2f)
#define A2DP_AUDIO_SYNC_FACTOR_REFERENCE (1.0f)
#define A2DP_AUDIO_SYNC_FACTOR_FAST_LIMIT (0.00015f)
#define A2DP_AUDIO_SYNC_FACTOR_SLOW_LIMIT (-0.00035f)
#define A2DP_AUDIO_SYNC_FACTOR_NEED_FAST_CACHE (-0.001f)
#define A2DP_AUDIO_UNDERFLOW_CAUSE_AUDIO_RETRIGGER (1)
extern A2DP_AUDIO_DECODER_T a2dp_audio_sbc_decoder_config;
#if defined(A2DP_AAC_ON)
extern A2DP_AUDIO_DECODER_T a2dp_audio_aac_lc_decoder_config;
#endif
#if defined(A2DP_LHDC_ON)
extern A2DP_AUDIO_DECODER_T a2dp_audio_lhdc_decoder_config;
#endif
#if defined(A2DP_LDAC_ON)
extern A2DP_AUDIO_DECODER_T a2dp_audio_ldac_decoder_config;
#endif
#if defined(A2DP_SCALABLE_ON)
extern A2DP_AUDIO_DECODER_T a2dp_audio_scalable_decoder_config;
#endif
osSemaphoreDef(audio_buffer_semaphore);
osMutexDef(audio_buffer_mutex);
osMutexDef(audio_status_mutex);
osMutexDef(audio_stop_mutex);
#ifdef __A2DP_AUDIO_SYNC_FIX_DIFF_NOPID__
//#define A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT (1)
#define A2DP_AUDIO_SYNC_FIX_DIFF_INTERVAL (640)
#define A2DP_AUDIO_SYNC_FIX_DIFF_FAST_LIMIT (0.003f)
#define A2DP_AUDIO_SYNC_FIX_DIFF_SLOW_LIMIT (-0.003f)
extern uint32_t app_bt_stream_get_dma_buffer_samples(void);
static int a2dp_audio_sync_fix_diff_proc(uint32_t tick);
static int a2dp_audio_sync_fix_diff_stop(uint32_t tick);
static int32_t a2dp_audio_sync_fix_diff_reset(void);
static int32_t a2dp_audio_sync_fix_diff_start(uint32_t tick);
typedef enum {
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_IDLE,
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_START,
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_STOP,
} A2DP_AUDIO_SYNC_FIX_DIFF_STATUS;
typedef struct {
int32_t tick;
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS status;
} A2DP_AUDIO_SYNC_FIX_DIFF_T;
static A2DP_AUDIO_SYNC_FIX_DIFF_T a2dp_audio_sync_fix_diff;
#endif
A2DP_AUDIO_CONTEXT_T a2dp_audio_context;
static heap_handle_t a2dp_audio_heap;
static A2DP_AUDIO_LASTFRAME_INFO_T a2dp_audio_lastframe_info;
static A2DP_AUDIO_DETECT_NEXT_PACKET_CALLBACK
a2dp_audio_detect_next_packet_callback = NULL;
static A2DP_AUDIO_DETECT_NEXT_PACKET_CALLBACK a2dp_audio_store_packet_callback =
NULL;
static float a2dp_audio_latency_factor = A2DP_AUDIO_LATENCY_LOW_FACTOR;
static float sync_tune_dest_ratio = 1.0f;
static uint32_t store_packet_history_loctime = 0;
static uint32_t check_sum_seed = 0;
static int a2dp_audio_internal_lastframe_info_ptr_get(
A2DP_AUDIO_LASTFRAME_INFO_T **lastframe_info);
float a2dp_audio_get_sample_reference(void);
int8_t a2dp_audio_get_current_buf_size(void);
void a2dp_audio_heap_init(void *begin_addr, uint32_t size) {
a2dp_audio_heap = heap_register(begin_addr, size);
}
void *a2dp_audio_heap_malloc(uint32_t size) {
void *ptr = heap_malloc(a2dp_audio_heap, size);
ASSERT_A2DP_DECODER(ptr, "%s size:%d", __func__, size);
return ptr;
}
void *a2dp_audio_heap_cmalloc(uint32_t size) {
void *ptr = heap_malloc(a2dp_audio_heap, size);
ASSERT_A2DP_DECODER(ptr, "%s size:%d", __func__, size);
memset(ptr, 0, size);
return ptr;
}
void *a2dp_audio_heap_realloc(void *rmem, uint32_t newsize) {
void *ptr = heap_realloc(a2dp_audio_heap, rmem, newsize);
ASSERT_A2DP_DECODER(ptr, "%s rmem:%p size:%d", __func__, rmem, newsize);
return ptr;
}
void a2dp_audio_heap_free(void *rmem) {
ASSERT_A2DP_DECODER(rmem, "%s rmem:%p", __func__, rmem);
heap_free(a2dp_audio_heap, rmem);
}
void a2dp_audio_heap_info(size_t *total, size_t *used, size_t *max_used) {
multi_heap_info_t info;
heap_get_info(a2dp_audio_heap, &info);
if (total != NULL)
*total = info.total_bytes;
if (used != NULL)
*used = info.total_allocated_bytes;
if (max_used != NULL)
*max_used = info.total_bytes - info.minimum_free_bytes;
}
int inline a2dp_audio_semaphore_init(void) {
if (a2dp_audio_context.audio_semaphore.semaphore == NULL) {
a2dp_audio_context.audio_semaphore.semaphore =
osSemaphoreCreate(osSemaphore(audio_buffer_semaphore), 0);
}
a2dp_audio_context.audio_semaphore.enalbe = false;
return 0;
}
int inline a2dp_audio_buffer_mutex_init(void) {
if (a2dp_audio_context.audio_buffer_mutex == NULL) {
a2dp_audio_context.audio_buffer_mutex =
osMutexCreate((osMutex(audio_buffer_mutex)));
}
return 0;
}
int inline a2dp_audio_buffer_mutex_lock(void) {
osMutexWait((osMutexId)a2dp_audio_context.audio_buffer_mutex, osWaitForever);
return 0;
}
int inline a2dp_audio_buffer_mutex_unlock(void) {
osMutexRelease((osMutexId)a2dp_audio_context.audio_buffer_mutex);
return 0;
}
int inline a2dp_audio_status_mutex_init(void) {
if (a2dp_audio_context.audio_status_mutex == NULL) {
a2dp_audio_context.audio_status_mutex =
osMutexCreate((osMutex(audio_status_mutex)));
}
return 0;
}
int inline a2dp_audio_status_mutex_lock(void) {
osMutexWait((osMutexId)a2dp_audio_context.audio_status_mutex, osWaitForever);
return 0;
}
int inline a2dp_audio_status_mutex_unlock(void) {
osMutexRelease((osMutexId)a2dp_audio_context.audio_status_mutex);
return 0;
}
int inline a2dp_audio_semaphore_wait(uint32_t timeout_ms) {
osSemaphoreId semaphore_id =
(osSemaphoreId)a2dp_audio_context.audio_semaphore.semaphore;
a2dp_audio_buffer_mutex_lock();
a2dp_audio_context.audio_semaphore.enalbe = true;
a2dp_audio_buffer_mutex_unlock();
int32_t nRet = osSemaphoreWait(semaphore_id, timeout_ms);
if ((0 == nRet) || (-1 == nRet)) {
TRACE_A2DP_DECODER_W("%s wait timerout", __func__);
return -1;
}
return 0;
}
int inline a2dp_audio_semaphore_release(void) {
bool enalbe = false;
a2dp_audio_buffer_mutex_lock();
if (a2dp_audio_context.audio_semaphore.enalbe) {
a2dp_audio_context.audio_semaphore.enalbe = false;
enalbe = true;
}
a2dp_audio_buffer_mutex_unlock();
if (enalbe) {
osSemaphoreId semaphore_id =
(osSemaphoreId)a2dp_audio_context.audio_semaphore.semaphore;
osSemaphoreRelease(semaphore_id);
}
return 0;
}
list_node_t *a2dp_audio_list_begin(const list_t *list) {
a2dp_audio_buffer_mutex_lock();
list_node_t *node = list_begin(list);
a2dp_audio_buffer_mutex_unlock();
return node;
}
list_node_t *a2dp_audio_list_end(const list_t *list) {
a2dp_audio_buffer_mutex_lock();
list_node_t *node = list_end(list);
a2dp_audio_buffer_mutex_unlock();
return node;
}
uint32_t a2dp_audio_list_length(const list_t *list) {
a2dp_audio_buffer_mutex_lock();
uint32_t length = list_length(list);
a2dp_audio_buffer_mutex_unlock();
return length;
}
void *a2dp_audio_list_node(const list_node_t *node) {
a2dp_audio_buffer_mutex_lock();
void *data = list_node(node);
a2dp_audio_buffer_mutex_unlock();
return data;
}
list_node_t *a2dp_audio_list_next(const list_node_t *node) {
a2dp_audio_buffer_mutex_lock();
list_node_t *next = list_next(node);
a2dp_audio_buffer_mutex_unlock();
return next;
}
bool a2dp_audio_list_remove(list_t *list, void *data) {
a2dp_audio_buffer_mutex_lock();
bool nRet = list_remove(list, data);
a2dp_audio_buffer_mutex_unlock();
return nRet;
}
bool a2dp_audio_list_append(list_t *list, void *data) {
a2dp_audio_buffer_mutex_lock();
bool nRet = list_append(list, data);
a2dp_audio_buffer_mutex_unlock();
return nRet;
}
void a2dp_audio_list_clear(list_t *list) {
a2dp_audio_buffer_mutex_lock();
list_clear(list);
a2dp_audio_buffer_mutex_unlock();
}
void a2dp_audio_list_free(list_t *list) {
a2dp_audio_buffer_mutex_lock();
list_free(list);
a2dp_audio_buffer_mutex_unlock();
}
list_t *a2dp_audio_list_new(list_free_cb callback, list_mempool_zmalloc zmalloc,
list_mempool_free free) {
a2dp_audio_buffer_mutex_lock();
list_t *list = list_new(callback, zmalloc, free);
a2dp_audio_buffer_mutex_unlock();
return list;
}
uint32_t a2dp_audio_get_passed(uint32_t curr_ticks, uint32_t prev_ticks,
uint32_t max_ticks) {
if (curr_ticks < prev_ticks)
return ((max_ticks - prev_ticks + 1) + curr_ticks);
else
return (curr_ticks - prev_ticks);
}
#ifdef A2DP_CP_ACCEL
extern "C" uint32_t get_in_cp_frame_cnt(void);
extern "C" uint32_t get_in_cp_frame_delay(void);
#else
static uint32_t get_in_cp_frame_cnt(void) { return 0; }
static uint32_t get_in_cp_frame_delay(void) { return 0; }
#endif
int inline a2dp_audio_set_status(
enum A2DP_AUDIO_DECODER_STATUS decoder_status) {
a2dp_audio_status_mutex_lock();
a2dp_audio_context.audio_decoder_status = decoder_status;
a2dp_audio_status_mutex_unlock();
return 0;
}
enum A2DP_AUDIO_DECODER_STATUS inline a2dp_audio_get_status(void) {
enum A2DP_AUDIO_DECODER_STATUS decoder_status;
a2dp_audio_status_mutex_lock();
decoder_status = a2dp_audio_context.audio_decoder_status;
a2dp_audio_status_mutex_unlock();
return decoder_status;
}
int inline a2dp_audio_set_store_packet_status(
enum A2DP_AUDIO_DECODER_STORE_PACKET_STATUS store_packet_status) {
a2dp_audio_status_mutex_lock();
a2dp_audio_context.store_packet_status = store_packet_status;
a2dp_audio_status_mutex_unlock();
return 0;
}
enum A2DP_AUDIO_DECODER_STORE_PACKET_STATUS inline a2dp_audio_get_store_packet_status(
void) {
enum A2DP_AUDIO_DECODER_STORE_PACKET_STATUS store_packet_status;
a2dp_audio_status_mutex_lock();
store_packet_status = a2dp_audio_context.store_packet_status;
a2dp_audio_status_mutex_unlock();
return store_packet_status;
}
int inline a2dp_audio_set_playback_status(
enum A2DP_AUDIO_DECODER_PLAYBACK_STATUS playback_status) {
a2dp_audio_status_mutex_lock();
a2dp_audio_context.playback_status = playback_status;
a2dp_audio_status_mutex_unlock();
return 0;
}
enum A2DP_AUDIO_DECODER_PLAYBACK_STATUS inline a2dp_audio_get_playback_status(
void) {
enum A2DP_AUDIO_DECODER_PLAYBACK_STATUS playback_status;
a2dp_audio_status_mutex_lock();
playback_status = a2dp_audio_context.playback_status;
a2dp_audio_status_mutex_unlock();
return playback_status;
}
static void a2dp_decoder_info_checker(void) {
// app_bt_start_custom_function_in_app_thread(0, 0,
// (uint32_t)bt_drv_reg_op_bt_info_checker);
}
int a2dp_audio_sync_pid_config(void) {
A2DP_AUDIO_SYNC_T *audio_sync = &a2dp_audio_context.audio_sync;
A2DP_AUDIO_SYNC_PID_T *pid = &audio_sync->pid;
pid->proportiongain = 0.4f;
pid->integralgain = 0.1f;
pid->derivativegain = 0.6f;
return 0;
}
int a2dp_audio_sync_reset_data(void) {
A2DP_AUDIO_SYNC_T *audio_sync = &a2dp_audio_context.audio_sync;
a2dp_audio_status_mutex_lock();
audio_sync->tick = 0;
audio_sync->cnt = 0;
a2dp_audio_sync_pid_config();
#ifdef __A2DP_AUDIO_SYNC_FIX_DIFF_NOPID__
a2dp_audio_sync_fix_diff_reset();
#endif
a2dp_audio_status_mutex_unlock();
TRACE_A2DP_DECODER_I("[SYNC]reset_data");
return 0;
}
int a2dp_audio_sync_init(double ratio) {
#ifdef __A2DP_AUDIO_SYNC_FIX_DIFF_NOPID__
a2dp_audio_sync_fix_diff_reset();
#endif
a2dp_audio_sync_reset_data();
a2dp_audio_sync_tune_sample_rate(ratio);
sync_tune_dest_ratio = (float)ratio;
return 0;
}
int a2dp_audio_sync_tune_sample_rate(double ratio) {
float resample_rate_ratio;
bool need_tune = false;
a2dp_audio_status_mutex_lock();
if (a2dp_audio_context.output_cfg.factor_reference != (float)ratio) {
a2dp_audio_context.output_cfg.factor_reference = (float)ratio;
resample_rate_ratio = (float)(ratio - (double)1.0);
need_tune = true;
}
// a2dp_audio_status_mutex_unlock();
if (need_tune) {
app_audio_manager_tune_samplerate_ratio(AUD_STREAM_PLAYBACK,
resample_rate_ratio);
TRACE_A2DP_DECODER_I("[SYNC] ppb:%d ratio:%08d",
(int32_t)(resample_rate_ratio * 10000000),
(int32_t)(ratio * 10000000));
}
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_sync_direct_tune_sample_rate(double ratio) {
float resample_rate_ratio;
bool need_tune = false;
a2dp_audio_status_mutex_lock();
if (a2dp_audio_context.output_cfg.factor_reference != (float)ratio) {
a2dp_audio_context.output_cfg.factor_reference = (float)ratio;
resample_rate_ratio = (float)(ratio - (double)1.0);
need_tune = true;
}
if (need_tune) {
af_codec_direct_tune(AUD_STREAM_PLAYBACK, resample_rate_ratio);
TRACE_A2DP_DECODER_I("[SYNC] ppb:%d ratio:%08d",
(int32_t)(resample_rate_ratio * 10000000),
(int32_t)(ratio * 10000000));
}
a2dp_audio_status_mutex_unlock();
return 0;
}
bool a2dp_audio_sync_tune_onprocess(void) {
bool nRet = false;
;
if (a2dp_audio_context.output_cfg.factor_reference != sync_tune_dest_ratio) {
nRet = true;
}
return nRet;
}
int a2dp_audio_sync_tune(float ratio) {
int nRet = 0;
if (sync_tune_dest_ratio == ratio) {
goto exit;
}
sync_tune_dest_ratio = ratio;
#if defined(IBRT)
if (app_ibrt_ui_is_profile_exchanged()) {
if (app_tws_ibrt_mobile_link_connected()) {
APP_TWS_IBRT_AUDIO_SYNC_TUNE_T sync_tune;
sync_tune.factor_reference = ratio;
if (!app_tws_ibrt_audio_sync_tune_need_skip()) {
tws_ctrl_send_cmd(APP_TWS_CMD_SYNC_TUNE, (uint8_t *)&sync_tune,
sizeof(APP_TWS_IBRT_AUDIO_SYNC_TUNE_T));
} else {
a2dp_audio_sync_tune_cancel();
nRet = -1;
}
}
} else {
a2dp_audio_sync_tune_sample_rate(ratio);
}
#else
a2dp_audio_sync_tune_sample_rate(ratio);
#endif
exit:
return nRet;
}
int a2dp_audio_sync_tune_cancel(void) {
sync_tune_dest_ratio = a2dp_audio_context.output_cfg.factor_reference;
return 0;
}
float a2dp_audio_sync_pid_calc(A2DP_AUDIO_SYNC_PID_T *pid, float diff) {
float increment;
float pError, dError, iError;
pid->error[0] = diff;
pError = pid->error[0] - pid->error[1];
iError = pid->error[0];
dError = pid->error[0] - 2 * pid->error[1] + pid->error[2];
increment = pid->proportiongain * pError + pid->integralgain * iError +
pid->derivativegain * dError;
pid->error[2] = pid->error[1];
pid->error[1] = pid->error[0];
pid->result += increment;
return pid->result;
}
#ifdef __A2DP_AUDIO_SYNC_FIX_DIFF_NOPID__
static int a2dp_audio_sync_fix_diff_proc(uint32_t tick) {
if (a2dp_audio_sync_fix_diff.status ==
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_START) {
if (a2dp_audio_sync_fix_diff.tick > 0) {
a2dp_audio_sync_fix_diff.tick--;
} else {
a2dp_audio_sync_fix_diff_stop(0);
}
}
return 0;
}
static int32_t a2dp_audio_sync_fix_diff_start(uint32_t tick) {
TRACE_A2DP_DECODER_I("[SYNC] fix diff start");
a2dp_audio_sync_fix_diff.status = A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_START;
a2dp_audio_sync_fix_diff.tick = tick;
return 0;
}
static int a2dp_audio_sync_fix_diff_stop(uint32_t tick) {
TRACE_A2DP_DECODER_I("[SYNC] fix diff stop");
a2dp_audio_sync_fix_diff.status = A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_STOP;
a2dp_audio_sync_fix_diff.tick = 0;
return 0;
}
static int32_t a2dp_audio_sync_fix_diff_reset(void) {
TRACE_A2DP_DECODER_I("[SYNC] fix diff reset");
a2dp_audio_sync_fix_diff.status = A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_IDLE;
a2dp_audio_sync_fix_diff.tick = 0;
return 0;
}
static A2DP_AUDIO_SYNC_FIX_DIFF_STATUS
a2dp_audio_sync_fix_diff_status_get(void) {
return a2dp_audio_sync_fix_diff.status;
}
int a2dp_audio_sync_handler(uint8_t *buffer, uint32_t buffer_bytes) {
A2DP_AUDIO_LASTFRAME_INFO_T *lastframe_info = NULL;
A2DP_AUDIO_SYNC_T *audio_sync = &a2dp_audio_context.audio_sync;
float diff_mtu = 0;
bool need_tune = false;
bool force_slow = false;
#if defined(IBRT)
if (!app_tws_ibrt_mobile_link_connected()) {
return -1;
}
#endif
if (a2dp_audio_internal_lastframe_info_ptr_get(&lastframe_info) < 0) {
return -1;
}
a2dp_audio_sync_fix_diff_proc(audio_sync->tick);
if (a2dp_audio_sync_fix_diff_status_get() ==
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_STOP) {
#if defined(IBRT)
if (!app_tws_ibrt_audio_sync_tune_onprocess() &&
!a2dp_audio_sync_tune_onprocess()
#else
if (!a2dp_audio_sync_tune_onprocess()
#endif
) {
int sync_tune_result = 0;
if (a2dp_audio_context.output_cfg.factor_reference !=
a2dp_audio_context.init_factor_reference) {
sync_tune_result =
a2dp_audio_sync_tune(a2dp_audio_context.init_factor_reference);
}
if (!sync_tune_result) {
a2dp_audio_sync_fix_diff_reset();
#ifdef A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT
TRACE_A2DP_DECODER_I("[SYNC] tune ratio normal %f mut:%5.3f->%d",
(double)a2dp_audio_context.init_factor_reference,
(double)a2dp_audio_context.average_packet_mut,
a2dp_audio_context.dest_packet_mut);
#else
TRACE_A2DP_DECODER_I(
"[SYNC] tune ratio normal %d mut:%d->%d",
(int32_t)(a2dp_audio_context.init_factor_reference * 10000000),
(int32_t)(a2dp_audio_context.average_packet_mut + 0.5f),
a2dp_audio_context.dest_packet_mut);
#endif
} else {
TRACE_A2DP_DECODER_I("[SYNC] tune ratio normal busy");
}
} else {
#ifdef A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT
TRACE_A2DP_DECODER_I("[SYNC] tune ratio busy %f mut:%5.3f->%d",
(double)a2dp_audio_context.init_factor_reference,
(double)a2dp_audio_context.average_packet_mut,
a2dp_audio_context.dest_packet_mut);
#else
TRACE_A2DP_DECODER_I(
"[SYNC] tune ratio busy %d mut:%d->%d",
(int32_t)(a2dp_audio_context.init_factor_reference * 10000000),
(int32_t)(a2dp_audio_context.average_packet_mut + 0.5f),
a2dp_audio_context.dest_packet_mut);
#endif
}
goto exit;
}
if (audio_sync->tick % A2DP_AUDIO_SYNC_INTERVAL == 0) {
diff_mtu = a2dp_audio_context.average_packet_mut -
(float)a2dp_audio_context.dest_packet_mut;
if (ABS(diff_mtu) < 0.6f) {
#ifdef A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT
TRACE_A2DP_DECODER_I("[SYNC] skip mut:%5.3f", (double)diff_mtu);
#else
TRACE_A2DP_DECODER_I("[SYNC] skip mut:0.%d", (int32_t)(diff_mtu * 10));
#endif
goto exit;
} else if (diff_mtu / a2dp_audio_context.dest_packet_mut < -0.2f) {
float curr_ratio = a2dp_audio_context.output_cfg.factor_reference;
float ref_ratio = a2dp_audio_context.init_factor_reference;
if (curr_ratio != (ref_ratio + A2DP_AUDIO_SYNC_FIX_DIFF_SLOW_LIMIT)) {
#ifdef A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT
TRACE_A2DP_DECODER_I("[SYNC] force slow mut:%5.3f", (double)diff_mtu);
#else
TRACE_A2DP_DECODER_I("[SYNC] force slow mut:0.%d",
(int32_t)(diff_mtu * 10));
#endif
force_slow = true;
}
}
if (a2dp_audio_sync_fix_diff_status_get() ==
A2DP_AUDIO_SYNC_FIX_DIFF_STATUS_IDLE ||
force_slow) {
uint32_t dma_buffer_samples, samples, dma_interval;
double ratio = 1.0, limit_ratio = 1.0;
float sampleRate, ref_ratio, curr_ratio;
float ref_us = 0;
float dest_us = 0;
float sample_us = 0;
dma_buffer_samples = app_bt_stream_get_dma_buffer_samples() / 2;
dma_interval = A2DP_AUDIO_SYNC_FIX_DIFF_INTERVAL;
ref_ratio = a2dp_audio_context.init_factor_reference;
curr_ratio = a2dp_audio_context.output_cfg.factor_reference;
samples = dma_interval * dma_buffer_samples;
sampleRate = lastframe_info->stream_info.sample_rate * ref_ratio;
sample_us = 1e6 / sampleRate;
ref_us = sample_us * (float)samples;
dest_us = sample_us * (float)(lastframe_info->frame_samples * diff_mtu);
ratio = ref_us / (ref_us - dest_us) * curr_ratio;
if (ratio > (double)(ref_ratio + A2DP_AUDIO_SYNC_FIX_DIFF_FAST_LIMIT)) {
limit_ratio = ref_ratio + A2DP_AUDIO_SYNC_FIX_DIFF_FAST_LIMIT;
} else if (ratio <
double(ref_ratio + A2DP_AUDIO_SYNC_FIX_DIFF_SLOW_LIMIT)) {
limit_ratio = ref_ratio + A2DP_AUDIO_SYNC_FIX_DIFF_SLOW_LIMIT;
} else {
limit_ratio = ratio;
}
TRACE_A2DP_DECODER_I(
"[SYNC] sampleRate:%d ref_ratio:%d samples:%d %d->%d",
(int32_t)sampleRate, (int32_t)(ref_ratio * 10000000), samples,
(int32_t)ref_us, (int32_t)dest_us);
need_tune = true;
#if defined(IBRT)
if (!app_tws_ibrt_audio_sync_tune_onprocess() &&
!a2dp_audio_sync_tune_onprocess() &&
#else
if (!a2dp_audio_sync_tune_onprocess() &&
#endif
need_tune) {
if (!a2dp_audio_sync_tune((float)limit_ratio)) {
a2dp_audio_sync_fix_diff_start(dma_interval);
#ifdef A2DP_AUDIO_SYNC_FIX_DIFF_INTERVA_PRINT_FLOAT
TRACE_A2DP_DECODER_I("[SYNC] tune ratio %f mut:%5.3f->%d",
limit_ratio,
(double)a2dp_audio_context.average_packet_mut,
a2dp_audio_context.dest_packet_mut);
#else
TRACE_A2DP_DECODER_I(
"[SYNC] tune ratio %d mut:%d->%d",
(int32_t)(limit_ratio * 10000000),
(int32_t)(a2dp_audio_context.average_packet_mut + 0.5f),
a2dp_audio_context.dest_packet_mut);
#endif
} else {
TRACE_A2DP_DECODER_I("[SYNC] tune ratio busy");
}
}
} else {
TRACE_A2DP_DECODER_I(
"[SYNC] avg_mut:%d dest_mtu:%d",
(int32_t)(a2dp_audio_context.average_packet_mut + 0.5f),
a2dp_audio_context.dest_packet_mut);
}
} else {
}
exit:
audio_sync->tick++;
return 0;
}
#else
int a2dp_audio_sync_handler(uint8_t *buffer, uint32_t buffer_bytes) {
A2DP_AUDIO_LASTFRAME_INFO_T *lastframe_info = NULL;
A2DP_AUDIO_SYNC_T *audio_sync = &a2dp_audio_context.audio_sync;
float dest_pid_result = .0f;
float diff_mtu = 0;
int32_t frame_mtu = 0;
int32_t total_mtu = 0;
float diff_factor = 0;
#if defined(IBRT)
if (!app_tws_ibrt_mobile_link_connected()) {
return -1;
}
#endif
if (a2dp_audio_internal_lastframe_info_ptr_get(&lastframe_info) < 0) {
return -1;
}
if (audio_sync->tick++ % A2DP_AUDIO_SYNC_INTERVAL == 0) {
list_t *list = a2dp_audio_context.audio_datapath.input_raw_packet_list;
A2DP_AUDIO_SYNC_PID_T *pid = &audio_sync->pid;
// valid limter 0x80000
if (audio_sync->cnt < 0x80000) {
audio_sync->cnt += A2DP_AUDIO_SYNC_INTERVAL;
}
frame_mtu = lastframe_info->stream_info.frame_samples /
lastframe_info->frame_samples;
total_mtu = audio_sync->cnt * frame_mtu;
diff_mtu = a2dp_audio_context.average_packet_mut -
(float)a2dp_audio_context.dest_packet_mut;
#if 1
TRACE_A2DP_DECODER_I(
"[SYNC] sample:%d/%d diff:%d/%d/%d/%d curr:%d",
lastframe_info->frame_samples,
lastframe_info->stream_info.frame_samples, (int32_t)(diff_mtu + 0.5f),
(int32_t)(a2dp_audio_context.average_packet_mut + 0.5f),
a2dp_audio_context.dest_packet_mut, total_mtu,
a2dp_audio_list_length(list) + get_in_cp_frame_cnt());
#else
TRACE_A2DP_DECODER_I(
"[SYNC] diff:%10.9f/%10.9f frame_mut:%d dest:%d total:%d curr:%d",
(double)diff_mtu, (double)a2dp_audio_context.average_packet_mut,
frame_mtu, a2dp_audio_context.dest_packet_mut, total_mtu,
a2dp_audio_list_length(list));
TRACE_A2DP_DECODER_I("[SYNC] try tune:%d, %10.9f %10.9f",
diff_mtu != 0.f && audio_sync->tick != 1
? ABS(diff_mtu) > ((float)frame_mtu * 0.2f)
: 0,
(double)ABS(diff_mtu),
(double)((float)frame_mtu * 0.2f));
#endif
// TRACE(2,"audio_sync tune %d/%d tick",
// app_tws_ibrt_audio_sync_tune_onprocess(),
// a2dp_audio_sync_tune_onprocess(), audio_sync->tick);
#if defined(IBRT)
if ((!app_tws_ibrt_audio_sync_tune_onprocess() &&
!a2dp_audio_sync_tune_onprocess()) &&
#else
if (!a2dp_audio_sync_tune_onprocess() &&
#endif
diff_mtu != 0.f && audio_sync->tick != 1 &&
((ABS(diff_mtu) > ((float)frame_mtu * 0.25f) && diff_mtu > 0) ||
(ABS(diff_mtu) > ((float)frame_mtu * 0.1f) && diff_mtu < 0))) {
diff_factor = diff_mtu / a2dp_audio_context.average_packet_mut;
if (a2dp_audio_sync_pid_calc(pid, diff_factor)) {
dest_pid_result =
a2dp_audio_context.output_cfg.factor_reference + pid->result;
if (dest_pid_result > (A2DP_AUDIO_SYNC_FACTOR_REFERENCE +
A2DP_AUDIO_SYNC_FACTOR_FAST_LIMIT)) {
dest_pid_result = A2DP_AUDIO_SYNC_FACTOR_REFERENCE +
A2DP_AUDIO_SYNC_FACTOR_FAST_LIMIT;
} else if (dest_pid_result < (A2DP_AUDIO_SYNC_FACTOR_REFERENCE +
A2DP_AUDIO_SYNC_FACTOR_SLOW_LIMIT)) {
dest_pid_result = A2DP_AUDIO_SYNC_FACTOR_REFERENCE +
A2DP_AUDIO_SYNC_FACTOR_SLOW_LIMIT;
}
if (a2dp_audio_context.output_cfg.factor_reference != dest_pid_result) {
if (!a2dp_audio_sync_tune(dest_pid_result)) {
audio_sync->cnt = 0;
}
TRACE_A2DP_DECODER_I(
"[SYNC] tune diff_factor:%10.9f pid:%10.9f tune:%10.9f",
(double)diff_factor, (double)pid->result,
(double)dest_pid_result);
} else {
TRACE_A2DP_DECODER_I("[SYNC] tune skip same");
}
}
} else {
/*
TRACE_A2DP_DECODER_I("[SYNC] tune busy skip proc:%d/%d mtu:%d
tick:%d >0:%d <0:%d tick:%d", app_tws_ibrt_audio_sync_tune_onprocess(),
a2dp_audio_sync_tune_onprocess(),
diff_mtu != 0.f,
audio_sync->tick != 1,
(ABS(diff_mtu) >
((float)frame_mtu * 0.25f) && diff_mtu > 0), (ABS(diff_mtu) >
((float)frame_mtu * 0.1f) && diff_mtu < 0), audio_sync->tick);
*/
}
} else {
bool need_tune = false;
if (lastframe_info->undecode_min_frames * 10 <=
a2dp_audio_context.dest_packet_mut * 10 / 3) {
dest_pid_result = a2dp_audio_context.init_factor_reference +
A2DP_AUDIO_SYNC_FACTOR_NEED_FAST_CACHE;
need_tune = true;
} else if (lastframe_info->undecode_min_frames * 10 <=
a2dp_audio_context.dest_packet_mut * 20 / 3) {
dest_pid_result = a2dp_audio_context.init_factor_reference +
A2DP_AUDIO_SYNC_FACTOR_SLOW_LIMIT;
need_tune = true;
}
#if defined(IBRT)
if (!app_tws_ibrt_audio_sync_tune_onprocess() &&
!a2dp_audio_sync_tune_onprocess() &&
#else
if (!a2dp_audio_sync_tune_onprocess() &&
#endif
need_tune) {
if (a2dp_audio_context.output_cfg.factor_reference != dest_pid_result) {
a2dp_audio_sync_reset_data();
a2dp_audio_sync_tune(dest_pid_result);
TRACE_A2DP_DECODER_I("[SYNC] tune ratio force slow %d/%d->%d",
lastframe_info->undecode_min_frames,
lastframe_info->undecode_max_frames,
a2dp_audio_context.dest_packet_mut);
}
}
}
return 0;
}
#endif
#if A2DP_DECODER_HISTORY_SEQ_SAVE
static int a2dp_audio_reset_history_seq(void) {
a2dp_audio_status_mutex_lock();
for (uint8_t i = 0; i < A2DP_DECODER_HISTORY_SEQ_SAVE; i++) {
a2dp_audio_context.historySeq[i] = 0;
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
a2dp_audio_context.historyLoctime[i] = 0;
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
a2dp_audio_context.historyChecksum[i] = 0;
#endif
}
a2dp_audio_context.historySeq_idx = 0;
a2dp_audio_status_mutex_unlock();
return 0;
}
static int a2dp_audio_save_history_seq(btif_media_header_t *header,
unsigned char *buf, unsigned int len) {
uint16_t historySeqPre = 0;
uint8_t historySeq_idx = 0;
a2dp_audio_status_mutex_lock();
historySeq_idx = a2dp_audio_context.historySeq_idx;
if (historySeq_idx) {
historySeq_idx = (historySeq_idx - 1) % A2DP_DECODER_HISTORY_SEQ_SAVE;
historySeqPre = a2dp_audio_context.historySeq[historySeq_idx];
if ((header->sequenceNumber - historySeqPre) != 1) {
TRACE_A2DP_DECODER_W("[INPUT] SEQ ERR %d/%d", historySeqPre,
header->sequenceNumber);
a2dp_audio_show_history_seq();
}
}
historySeq_idx =
a2dp_audio_context.historySeq_idx % A2DP_DECODER_HISTORY_SEQ_SAVE;
a2dp_audio_context.historySeq[historySeq_idx] = header->sequenceNumber;
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
a2dp_audio_context.historyLoctime[historySeq_idx] = hal_fast_sys_timer_get();
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
a2dp_audio_context.historyChecksum[historySeq_idx] = crc32(0, buf, len);
#endif
a2dp_audio_context.historySeq_idx++;
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_show_history_seq(void) {
uint8_t i = 0, j = 1;
uint16_t reordHistorySeq[A2DP_DECODER_HISTORY_SEQ_SAVE];
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
int32_t diff_max_idx = 0;
int32_t diff_max_ms = 0;
int64_t diff_avg_ms = 0;
int32_t diff_avg_cnt = 0;
uint32_t historyLoctime[A2DP_DECODER_HISTORY_SEQ_SAVE];
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
uint32_t historyChecksum[A2DP_DECODER_HISTORY_SEQ_SAVE];
#endif
a2dp_audio_status_mutex_lock();
for (i = 0; i < A2DP_DECODER_HISTORY_SEQ_SAVE; i++) {
reordHistorySeq[i] = a2dp_audio_context.historySeq[i];
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
historyLoctime[i] = a2dp_audio_context.historyLoctime[i];
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
historyChecksum[i] = a2dp_audio_context.historyChecksum[i];
#endif
}
for (i = 0; i < A2DP_DECODER_HISTORY_SEQ_SAVE - 1; i++) {
for (j = 0; j < A2DP_DECODER_HISTORY_SEQ_SAVE - 1 - i; j++) {
if (reordHistorySeq[j] > reordHistorySeq[j + 1]) {
uint16_t temp_seq = reordHistorySeq[j];
reordHistorySeq[j] = reordHistorySeq[j + 1];
reordHistorySeq[j + 1] = temp_seq;
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
uint32_t temp_Loctime = historyLoctime[j];
historyLoctime[j] = historyLoctime[j + 1];
historyLoctime[j + 1] = temp_Loctime;
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
uint32_t temp_Checksum = historyChecksum[j];
historyChecksum[j] = historyChecksum[j + 1];
historyChecksum[j + 1] = temp_Checksum;
#endif
}
}
}
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
for (i = 0, j = 1; i < A2DP_DECODER_HISTORY_SEQ_SAVE - 1; i++, j++) {
int32_t tmp_ms = historyLoctime[j] - historyLoctime[i];
diff_avg_ms += tmp_ms;
diff_avg_cnt++;
if (tmp_ms > diff_max_ms) {
diff_max_ms = tmp_ms;
diff_max_idx = i;
}
if (tmp_ms > (int32_t)MS_TO_FAST_TICKS(50)) {
TRACE_A2DP_DECODER_I("[INPUT] > 30ms seq:%d diff:%d :%d / %d",
reordHistorySeq[i], FAST_TICKS_TO_MS(tmp_ms),
historyLoctime[i], historyLoctime[j]);
}
}
diff_avg_ms /= diff_avg_cnt;
TRACE_A2DP_DECODER_I("[INPUT] max_diff:%dms idx:%d avg:%dus",
FAST_TICKS_TO_MS(diff_max_ms), diff_max_idx,
FAST_TICKS_TO_US(diff_avg_ms));
#endif
// DUMP16("%d ", reordHistorySeq, A2DP_DECODER_HISTORY_SEQ_SAVE);
#ifdef A2DP_DECODER_HISTORY_LOCTIME_SAVE
DUMP32("%x ", historyLoctime, A2DP_DECODER_HISTORY_SEQ_SAVE);
#endif
#ifdef A2DP_DECODER_HISTORY_CHECK_SUM_SAVE
DUMP32("%x ", historyChecksum, A2DP_DECODER_HISTORY_SEQ_SAVE);
#endif
a2dp_audio_status_mutex_unlock();
return 0;
}
#endif
/*
1, 2^1
3, 2^2
7, 2^3
15, 2^4
31, 2^5
*/
#define AUDIO_ALPHA_PRAMS_1 (3)
#define AUDIO_ALPHA_PRAMS_2 (4)
static inline float a2dp_audio_alpha_filter(float y, float x) {
if (y) {
y = ((AUDIO_ALPHA_PRAMS_1 * y) + x) / AUDIO_ALPHA_PRAMS_2;
} else {
y = x;
}
return y;
}
static void inline a2dp_audio_convert_16bit_to_24bit(int32_t *out, int16_t *in,
int len) {
for (int i = len - 1; i >= 0; i--) {
out[i] = ((int32_t)in[i] << 8);
}
}
static void inline a2dp_audio_channel_select(
A2DP_AUDIO_CHANNEL_SELECT_E chnl_sel, uint8_t *buffer,
uint32_t buffer_bytes) {
uint32_t samples;
uint32_t i;
ASSERT_A2DP_DECODER(a2dp_audio_context.output_cfg.num_channels == 2,
"%s num_channels:%d", __func__,
a2dp_audio_context.output_cfg.num_channels);
if (a2dp_audio_context.output_cfg.bits_depth == 24) {
int32_t *buf_l_p = (int32_t *)buffer;
int32_t *buf_r_p = (int32_t *)buffer + 1;
samples = buffer_bytes / 4 / 2;
switch (chnl_sel) {
case A2DP_AUDIO_CHANNEL_SELECT_LRMERGE:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
int32_t tmp_sample = (*buf_l_p + *buf_r_p) >> 1;
*buf_l_p = tmp_sample;
*buf_r_p = tmp_sample;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_LCHNL:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
*buf_r_p = *buf_l_p;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_RCHNL:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
*buf_l_p = *buf_r_p;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_STEREO:
default:
break;
}
} else {
int16_t *buf_l_p = (int16_t *)buffer;
int16_t *buf_r_p = (int16_t *)buffer + 1;
samples = buffer_bytes / 2 / 2;
switch (chnl_sel) {
case A2DP_AUDIO_CHANNEL_SELECT_LRMERGE:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
int16_t tmp_sample = ((int32_t)*buf_l_p + (int32_t)*buf_r_p) >> 1;
*buf_l_p = tmp_sample;
*buf_r_p = tmp_sample;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_LCHNL:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
*buf_r_p = *buf_l_p;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_RCHNL:
for (i = 0; i < samples; i++, buf_l_p += 2, buf_r_p += 2) {
*buf_l_p = *buf_r_p;
}
break;
case A2DP_AUDIO_CHANNEL_SELECT_STEREO:
default:
break;
}
}
}
#ifdef A2DP_CP_ACCEL
extern "C" bool is_cp_need_reset(void);
extern uint32_t app_bt_stream_get_dma_buffer_samples(void);
static uint32_t get_cp_frame_mtus(A2DP_AUDIO_LASTFRAME_INFO_T *info) {
uint32_t cp_frame_mtus = app_bt_stream_get_dma_buffer_samples() / 2;
if (cp_frame_mtus % (info->frame_samples)) {
cp_frame_mtus = cp_frame_mtus / (info->frame_samples) + 1;
} else {
cp_frame_mtus = cp_frame_mtus / (info->frame_samples);
}
TRACE_A2DP_DECODER_I("[CP] cp_frame_mtus:%d", cp_frame_mtus);
return cp_frame_mtus;
}
#else
bool is_cp_need_reset(void) { return false; }
#endif
#define A2DP_AUDIO_SYSFREQ_BOOST_RESUME_CNT (20)
uint32_t a2dp_audio_sysfreq_cnt = UINT32_MAX;
uint32_t a2dp_audio_sysfreq_dest_boost_cnt = 0;
APP_SYSFREQ_FREQ_T a2dp_audio_sysfreq_normalfreq = APP_SYSFREQ_52M;
int a2dp_audio_sysfreq_boost_init(uint32_t normalfreq) {
a2dp_audio_sysfreq_cnt = UINT32_MAX;
a2dp_audio_sysfreq_dest_boost_cnt = 0;
a2dp_audio_sysfreq_normalfreq = (APP_SYSFREQ_FREQ_T)normalfreq;
TRACE_A2DP_DECODER_I("[BOOST] freq:%d", normalfreq);
return 0;
}
int a2dp_audio_sysfreq_boost_start(uint32_t boost_cnt) {
enum APP_SYSFREQ_FREQ_T sysfreq = APP_SYSFREQ_104M;
a2dp_audio_sysfreq_cnt = 0;
a2dp_audio_sysfreq_dest_boost_cnt = boost_cnt;
if (a2dp_audio_sysfreq_normalfreq >= APP_SYSFREQ_52M) {
sysfreq = APP_SYSFREQ_104M;
} else {
sysfreq = APP_SYSFREQ_52M;
}
TRACE_A2DP_DECODER_I("[BOOST] freq:%d cnt:%d", sysfreq, boost_cnt);
app_sysfreq_req(APP_SYSFREQ_USER_BT_A2DP, sysfreq);
return 0;
}
static int a2dp_audio_sysfreq_boost_porc(void) {
if (a2dp_audio_sysfreq_cnt == UINT32_MAX) {
// do nothing
} else if (a2dp_audio_sysfreq_cnt >= a2dp_audio_sysfreq_dest_boost_cnt) {
a2dp_audio_sysfreq_cnt = UINT32_MAX;
TRACE_A2DP_DECODER_I("[BOOST] freq:%d", a2dp_audio_sysfreq_normalfreq);
app_sysfreq_req(APP_SYSFREQ_USER_BT_A2DP, a2dp_audio_sysfreq_normalfreq);
} else {
a2dp_audio_sysfreq_cnt++;
}
return 0;
}
int a2dp_audio_sysfreq_boost_running(void) {
return a2dp_audio_sysfreq_cnt == UINT32_MAX ? 0 : 1;
}
int a2dp_audio_store_packet_checker_start(void) {
store_packet_history_loctime = 0;
return 0;
}
int a2dp_audio_store_packet_checker(btif_media_header_t *header) {
bool show_info = false;
uint32_t fast_sys_tick = hal_fast_sys_timer_get();
int32_t tmp_ms = 0;
if (store_packet_history_loctime) {
tmp_ms = fast_sys_tick - store_packet_history_loctime;
if (tmp_ms > (int32_t)MS_TO_FAST_TICKS(50)) {
show_info = true;
}
}
if (show_info) {
// TRACE_A2DP_DECODER_I("[INPUT] >50ms seq:%d diff:%d",
// header->sequenceNumber, FAST_TICKS_TO_MS(tmp_ms));
a2dp_decoder_info_checker();
}
store_packet_history_loctime = fast_sys_tick;
if (a2dp_audio_context.historySeq_idx &&
((a2dp_audio_context.historySeq_idx - 1) %
A2DP_DECODER_HISTORY_SEQ_SAVE ==
0)) {
a2dp_audio_show_history_seq();
}
return 0;
}
//#define DECODER_ERR_TEST
int a2dp_audio_store_packet(btif_media_header_t *header, unsigned char *buf,
unsigned int len) {
int nRet = A2DP_DECODER_NO_ERROR;
if (a2dp_audio_get_status() ==
A2DP_AUDIO_DECODER_STATUS_NULL) { // if mem deinit , drop data
return nRet;
}
a2dp_audio_status_mutex_lock();
#ifdef DECODER_ERR_TEST
static uint16_t cnt = 0;
static uint16_t limit = 500;
cnt++;
if (cnt % limit == 0) {
cnt = 0;
limit = rand() % 500;
uint16_t len2 = rand() % len;
memset(buf + len - len2, 0, len2);
TRACE_A2DP_DECODER_I("[INPUT] Fill Err!!!! seq:%d", header->sequenceNumber);
}
#endif
#if A2DP_DECODER_HISTORY_SEQ_SAVE
a2dp_audio_save_history_seq(header, buf, len);
#endif
a2dp_audio_set_store_packet_status(
A2DP_AUDIO_DECODER_STORE_PACKET_STATUS_BUSY);
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_store_packet_checker(header);
if (a2dp_audio_context.need_detect_first_packet) {
a2dp_audio_context.need_detect_first_packet = false;
a2dp_audio_context.audio_decoder.audio_decoder_preparse_packet(header,
buf, len);
}
if (a2dp_audio_detect_next_packet_callback) {
a2dp_audio_detect_next_packet_callback(header, buf, len);
}
nRet = a2dp_audio_context.audio_decoder.audio_decoder_store_packet(
header, buf, len);
#if defined(IBRT)
if (is_cp_need_reset()) {
TRACE_A2DP_DECODER_I("[CP] find cp error need restart");
app_ibrt_if_force_audio_retrigger();
}
if (nRet == A2DP_DECODER_MTU_LIMTER_ERROR) {
if (app_tws_ibrt_mobile_link_connected()) {
// try again
// a2dp_audio_semaphore_wait(A2DP_AUDIO_WAIT_TIMEOUT_MS);
nRet = a2dp_audio_context.audio_decoder.audio_decoder_store_packet(
header, buf, len);
}
if (nRet == A2DP_DECODER_MTU_LIMTER_ERROR) {
int dest_discards_samples = 0;
ibrt_ctrl_t *p_ibrt_ctrl = app_tws_ibrt_get_bt_ctrl_ctx();
if (p_ibrt_ctrl == NULL) {
return A2DP_DECODER_NOT_SUPPORT;
}
if (app_tws_ibrt_mobile_link_connected()) {
bt_syn_trig_checker(p_ibrt_ctrl->mobile_conhandle);
} else if (app_tws_ibrt_slave_ibrt_link_connected()) {
bt_syn_trig_checker(p_ibrt_ctrl->ibrt_conhandle);
}
dest_discards_samples = app_bt_stream_get_dma_buffer_samples() / 2;
a2dp_audio_discards_samples(dest_discards_samples * 2);
a2dp_audio_context.audio_decoder.audio_decoder_store_packet(header, buf,
len);
TRACE_A2DP_DECODER_I("[INPUT] MTU_LIMTER so discards_packet");
}
}
#else
if (is_cp_need_reset()) {
TRACE_A2DP_DECODER_I("[CP] find cp error need restart");
app_audio_decode_err_force_trigger();
}
if (nRet == A2DP_DECODER_MTU_LIMTER_ERROR) {
a2dp_audio_synchronize_dest_packet_mut(
a2dp_audio_context.dest_packet_mut);
a2dp_audio_context.audio_decoder.audio_decoder_store_packet(header, buf,
len);
TRACE_A2DP_DECODER_W("[INPUT] MTU_LIMTER so discards_packet");
}
#endif
} else {
TRACE(2, "[INPUT] skip packet status:%d", a2dp_audio_get_status());
}
if (a2dp_audio_store_packet_callback) {
a2dp_audio_store_packet_callback(header, buf, len);
}
a2dp_audio_set_store_packet_status(
A2DP_AUDIO_DECODER_STORE_PACKET_STATUS_IDLE);
a2dp_audio_status_mutex_unlock();
return 0;
}
uint32_t a2dp_audio_playback_handler(uint8_t *buffer, uint32_t buffer_bytes) {
uint32_t len = buffer_bytes;
int nRet = A2DP_DECODER_NO_ERROR;
A2DP_AUDIO_LASTFRAME_INFO_T *lastframe_info = NULL;
list_t *list = a2dp_audio_context.audio_datapath.input_raw_packet_list;
a2dp_audio_set_playback_status(A2DP_AUDIO_DECODER_PLAYBACK_STATUS_BUSY);
if (a2dp_audio_get_status() != A2DP_AUDIO_DECODER_STATUS_START) {
TRACE_A2DP_DECODER_W("[PLAYBACK] skip handler status:%d",
a2dp_audio_get_status());
goto exit;
}
a2dp_audio_sysfreq_boost_porc();
if (a2dp_audio_context.average_packet_mut == 0) {
A2DP_AUDIO_HEADFRAME_INFO_T headframe_info;
a2dp_audio_decoder_headframe_info_get(&headframe_info);
a2dp_audio_context.average_packet_mut = a2dp_audio_list_length(list);
TRACE_A2DP_DECODER_I(
"[PLAYBACK] init average_packet_mut:%d seq:%d",
(uint16_t)(a2dp_audio_context.average_packet_mut + 0.5f),
headframe_info.sequenceNumber);
} else {
if (!a2dp_audio_refill_packet()) {
uint16_t packet_mut = 0;
if (!a2dp_audio_internal_lastframe_info_ptr_get(&lastframe_info)) {
packet_mut = a2dp_audio_list_length(list) + get_in_cp_frame_cnt() +
get_in_cp_frame_delay() * (lastframe_info->frame_samples /
lastframe_info->list_samples);
a2dp_audio_context.average_packet_mut = a2dp_audio_alpha_filter(
(float)a2dp_audio_context.average_packet_mut, (float)packet_mut);
a2dp_audio_sync_handler(buffer, buffer_bytes);
}
}
}
#if defined(A2DP_AUDIO_REFILL_AFTER_NO_CACHE)
if (a2dp_audio_context.skip_frame_cnt_after_no_cache) {
#if defined(A2DP_CP_ACCEL)
uint32_t cp_delay_mtus = get_in_cp_frame_delay();
cp_delay_mtus *= get_cp_frame_mtus(&a2dp_audio_lastframe_info);
if (a2dp_audio_list_length(list) >=
(a2dp_audio_context.dest_packet_mut - cp_delay_mtus)) {
a2dp_audio_context.skip_frame_cnt_after_no_cache = 0;
}
#else
if (a2dp_audio_list_length(list) >= a2dp_audio_context.dest_packet_mut) {
a2dp_audio_context.skip_frame_cnt_after_no_cache = 0;
}
#endif
memset(buffer, 0, buffer_bytes);
TRACE_A2DP_DECODER_I("[PLAYBACK] decode refill skip_cnt:%d, list:%d",
a2dp_audio_context.skip_frame_cnt_after_no_cache,
a2dp_audio_list_length(list));
a2dp_decoder_info_checker();
if (a2dp_audio_context.skip_frame_cnt_after_no_cache > 0) {
a2dp_audio_context.skip_frame_cnt_after_no_cache--;
} else {
a2dp_audio_context.mute_frame_cnt_after_no_cache =
A2DP_AUDIO_MUTE_FRAME_CNT_AFTER_NO_CACHE;
}
} else
#endif
{
if (a2dp_audio_context.output_cfg.bits_depth == 24 &&
16 == bt_sbc_player_get_sample_bit()) {
len = len / (sizeof(int32_t) / sizeof(int16_t));
nRet = a2dp_audio_context.audio_decoder.audio_decoder_decode_frame(buffer,
len);
if (nRet < 0 || a2dp_audio_context.mute_frame_cnt_after_no_cache) {
TRACE_A2DP_DECODER_I("[PLAYBACK] decode failed nRet=%d mute_cnt:%d",
nRet,
a2dp_audio_context.mute_frame_cnt_after_no_cache);
a2dp_decoder_info_checker();
// mute frame
memset(buffer, 0, len);
}
a2dp_audio_convert_16bit_to_24bit((int32_t *)buffer, (int16_t *)buffer,
len / sizeof(int16_t));
// Restore len to 24-bit sample buffer length
len = len * (sizeof(int32_t) / sizeof(int16_t));
} else if (a2dp_audio_context.output_cfg.bits_depth ==
a2dp_audio_context.audio_decoder.stream_info.bits_depth) {
nRet = a2dp_audio_context.audio_decoder.audio_decoder_decode_frame(buffer,
len);
if (nRet < 0 || a2dp_audio_context.mute_frame_cnt_after_no_cache) {
// mute frame
TRACE_A2DP_DECODER_I("[PLAYBACK] decode failed nRet=%d mute_cnt:%d",
nRet,
a2dp_audio_context.mute_frame_cnt_after_no_cache);
a2dp_decoder_info_checker();
memset(buffer, 0, len);
}
}
a2dp_audio_channel_select(a2dp_audio_context.chnl_sel, buffer,
buffer_bytes);
}
a2dp_audio_semaphore_release();
if (nRet == A2DP_DECODER_CACHE_UNDERFLOW_ERROR) {
if (a2dp_audio_internal_lastframe_info_ptr_get(&lastframe_info) < 0) {
goto exit;
}
TRACE(2, "CACHE_UNDERFLOW lastseq:%d ftick:%d",
lastframe_info->sequenceNumber, hal_fast_sys_timer_get());
a2dp_audio_show_history_seq();
uint32_t mute_frames = A2DP_AUDIO_MUTE_FRAME_CNT_AFTER_NO_CACHE;
uint32_t skip_frames =
A2DP_AUDIO_SKIP_FRAME_LIMIT_AFTER_NO_CACHE - get_in_cp_frame_delay();
a2dp_audio_context.mute_frame_cnt_after_no_cache =
(uint32_t)((float)mute_frames * a2dp_audio_latency_factor_get());
a2dp_audio_context.skip_frame_cnt_after_no_cache =
(uint32_t)((float)skip_frames * a2dp_audio_latency_factor_get());
a2dp_audio_context.average_packet_mut = 0;
a2dp_audio_sync_reset_data();
#if defined(IBRT)
a2dp_audio_sync_tune_sample_rate(
app_tws_ibrt_audio_sync_config_factor_reference_get());
#else
a2dp_audio_sync_tune_sample_rate(a2dp_audio_context.init_factor_reference);
#endif
a2dp_decoder_info_checker();
} else {
if (a2dp_audio_context.mute_frame_cnt_after_no_cache > 0) {
a2dp_audio_context.mute_frame_cnt_after_no_cache--;
a2dp_audio_context.average_packet_mut = 0;
if (a2dp_audio_context.mute_frame_cnt_after_no_cache >= 1) {
a2dp_audio_synchronize_dest_packet_mut(
a2dp_audio_context.dest_packet_mut);
}
}
}
if (!a2dp_audio_internal_lastframe_info_ptr_get(&lastframe_info)) {
lastframe_info->stream_info.factor_reference =
a2dp_audio_context.output_cfg.factor_reference;
lastframe_info->average_frames =
(uint32_t)(a2dp_audio_context.average_packet_mut + 0.5f);
}
exit:
a2dp_audio_set_playback_status(A2DP_AUDIO_DECODER_PLAYBACK_STATUS_IDLE);
#if defined(IBRT)
if (nRet == A2DP_DECODER_CACHE_UNDERFLOW_ERROR) {
#if defined(A2DP_AUDIO_UNDERFLOW_CAUSE_AUDIO_RETRIGGER)
bool force_audio_retrigger = true;
#else
bool force_audio_retrigger = false;
#endif
if (a2dp_audio_latency_factor_get() == A2DP_AUDIO_LATENCY_LOW_FACTOR &&
app_tws_ibrt_mobile_link_connected()) {
a2dp_audio_latency_factor_sethigh();
if (app_tws_ibrt_tws_link_connected() &&
app_ibrt_ui_is_profile_exchanged()) {
float latency_factor = a2dp_audio_latency_factor_get();
tws_ctrl_send_cmd(APP_TWS_CMD_SET_LATENCYFACTOR,
(uint8_t *)&latency_factor, sizeof(latency_factor));
force_audio_retrigger = true;
}
}
if (force_audio_retrigger && !a2dp_audio_context.underflow_onporcess) {
a2dp_audio_context.underflow_onporcess = true;
app_ibrt_if_force_audio_retrigger();
}
}
#else
if (nRet == A2DP_DECODER_CACHE_UNDERFLOW_ERROR) {
app_audio_decode_err_force_trigger();
}
#endif
return len;
}
static void a2dp_audio_packet_free(void *packet) {
if (a2dp_audio_context.audio_decoder.audio_decoder_packet_free) {
a2dp_audio_context.audio_decoder.audio_decoder_packet_free(packet);
} else {
a2dp_audio_heap_free(packet);
}
}
void a2dp_audio_clear_input_raw_packet_list(void) {
// just clean the packet list to start receive ai data again
if (a2dp_audio_context.audio_datapath.input_raw_packet_list)
a2dp_audio_list_clear(
a2dp_audio_context.audio_datapath.input_raw_packet_list);
}
int a2dp_audio_init(uint32_t sysfreq, A2DP_AUDIO_CODEC_TYPE codec_type,
A2DP_AUDIO_OUTPUT_CONFIG_T *config,
A2DP_AUDIO_CHANNEL_SELECT_E chnl_sel,
uint16_t dest_packet_mut) {
uint8_t *heap_buff = NULL;
uint32_t heap_size = 0;
double ratio = 0;
A2DP_AUDIO_OUTPUT_CONFIG_T decoder_output_config;
TRACE_A2DP_DECODER_I("[INIT] freq:%d codec:%d chnl:%d", sysfreq, codec_type,
chnl_sel);
TRACE_A2DP_DECODER_I("[INIT] out:%d-%d-%d smp:%d dest:%d",
config->sample_rate, config->num_channels,
config->bits_depth, config->frame_samples,
dest_packet_mut);
a2dp_audio_sysfreq_boost_init(sysfreq);
a2dp_audio_sysfreq_boost_start(A2DP_AUDIO_SYSFREQ_BOOST_RESUME_CNT);
a2dp_audio_semaphore_init();
a2dp_audio_buffer_mutex_init();
a2dp_audio_status_mutex_init();
a2dp_audio_status_mutex_lock();
a2dp_audio_detect_next_packet_callback_register(NULL);
a2dp_audio_detect_store_packet_callback_register(NULL);
#if defined(A2DP_LDAC_ON)
if (bt_sbc_player_get_codec_type() == BTIF_AVDTP_CODEC_TYPE_NON_A2DP) {
heap_size = A2DP_AUDIO_LDAC_MEMPOOL_SIZE;
} else
#endif
{
heap_size = A2DP_AUDIO_MEMPOOL_SIZE;
}
app_audio_mempool_get_buff(&heap_buff, heap_size);
ASSERT_A2DP_DECODER(heap_buff, "%s size:%d", __func__, heap_size);
a2dp_audio_heap_init(heap_buff, heap_size);
memset(&a2dp_audio_lastframe_info, 0, sizeof(A2DP_AUDIO_LASTFRAME_INFO_T));
a2dp_audio_context.audio_datapath.input_raw_packet_list = a2dp_audio_list_new(
a2dp_audio_packet_free, (list_mempool_zmalloc)a2dp_audio_heap_cmalloc,
(list_mempool_free)a2dp_audio_heap_free);
a2dp_audio_context.audio_datapath.output_pcm_packet_list =
a2dp_audio_list_new(a2dp_audio_packet_free,
(list_mempool_zmalloc)a2dp_audio_heap_cmalloc,
(list_mempool_free)a2dp_audio_heap_free);
memcpy(&(a2dp_audio_context.output_cfg), config,
sizeof(A2DP_AUDIO_OUTPUT_CONFIG_T));
ratio = a2dp_audio_context.output_cfg.factor_reference;
a2dp_audio_context.output_cfg.factor_reference = 0;
a2dp_audio_context.init_factor_reference = config->factor_reference;
a2dp_audio_context.chnl_sel = chnl_sel;
a2dp_audio_context.dest_packet_mut = dest_packet_mut;
a2dp_audio_context.average_packet_mut = 0;
switch (codec_type) {
case A2DP_AUDIO_CODEC_TYPE_SBC:
decoder_output_config.sample_rate = config->sample_rate;
decoder_output_config.num_channels = 2;
decoder_output_config.bits_depth = 16;
decoder_output_config.frame_samples = config->frame_samples;
decoder_output_config.factor_reference = 1.0f;
memcpy(&(a2dp_audio_context.audio_decoder), &a2dp_audio_sbc_decoder_config,
sizeof(A2DP_AUDIO_DECODER_T));
break;
#if defined(A2DP_AAC_ON)
case A2DP_AUDIO_CODEC_TYPE_MPEG2_4_AAC:
decoder_output_config.sample_rate = config->sample_rate;
decoder_output_config.num_channels = 2;
decoder_output_config.bits_depth = 16;
decoder_output_config.frame_samples = config->frame_samples;
decoder_output_config.factor_reference = 1.0f;
memcpy(&(a2dp_audio_context.audio_decoder),
&a2dp_audio_aac_lc_decoder_config, sizeof(A2DP_AUDIO_DECODER_T));
break;
#endif
#if defined(A2DP_SCALABLE_ON)
case A2DP_AUDIO_CODEC_TYPE_SCALABL:
decoder_output_config.sample_rate = config->sample_rate;
decoder_output_config.num_channels = 2;
decoder_output_config.bits_depth = config->curr_bits;
decoder_output_config.frame_samples = config->frame_samples;
decoder_output_config.factor_reference = 1.0f;
memcpy(&(a2dp_audio_context.audio_decoder),
&a2dp_audio_scalable_decoder_config, sizeof(A2DP_AUDIO_DECODER_T));
break;
#endif
#if defined(A2DP_LHDC_ON)
case A2DP_AUDIO_CODEC_TYPE_LHDC:
decoder_output_config.sample_rate = config->sample_rate;
decoder_output_config.num_channels = 2;
decoder_output_config.bits_depth = config->curr_bits;
decoder_output_config.frame_samples = config->frame_samples;
decoder_output_config.factor_reference = 1.0f;
memcpy(&(a2dp_audio_context.audio_decoder), &a2dp_audio_lhdc_decoder_config,
sizeof(A2DP_AUDIO_DECODER_T));
break;
#endif
#if defined(A2DP_LDAC_ON)
case A2DP_AUDIO_CODEC_TYPE_LDAC:
decoder_output_config.sample_rate = config->sample_rate;
decoder_output_config.num_channels = 2;
decoder_output_config.bits_depth = config->curr_bits;
decoder_output_config.frame_samples = config->frame_samples;
decoder_output_config.factor_reference = 1.0f;
memcpy(&(a2dp_audio_context.audio_decoder), &a2dp_audio_ldac_decoder_config,
sizeof(A2DP_AUDIO_DECODER_T));
break;
#endif
default:
ASSERT_A2DP_DECODER(0, "%s invalid codec_type:%d", __func__, codec_type);
break;
}
a2dp_audio_context.audio_decoder.audio_decoder_init(
&decoder_output_config, (void *)&a2dp_audio_context);
a2dp_audio_context.need_detect_first_packet = true;
a2dp_audio_context.underflow_onporcess = false;
a2dp_audio_context.skip_frame_cnt_after_no_cache = 0;
a2dp_audio_context.mute_frame_cnt_after_no_cache = 0;
a2dp_audio_context.audio_decoder_status = A2DP_AUDIO_DECODER_STATUS_READY;
a2dp_audio_context.store_packet_status =
A2DP_AUDIO_DECODER_STORE_PACKET_STATUS_IDLE;
a2dp_audio_context.playback_status = A2DP_AUDIO_DECODER_PLAYBACK_STATUS_IDLE;
a2dp_audio_sync_init(ratio);
#if A2DP_DECODER_HISTORY_SEQ_SAVE
a2dp_audio_reset_history_seq();
#endif
a2dp_audio_store_packet_checker_start();
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_deinit(void) {
TRACE_A2DP_DECODER_I("[DEINIT]");
a2dp_audio_status_mutex_lock();
a2dp_audio_detect_next_packet_callback_register(NULL);
a2dp_audio_detect_store_packet_callback_register(NULL);
a2dp_audio_context.audio_decoder.audio_decoder_deinit();
memset(&(a2dp_audio_context.audio_decoder), 0, sizeof(A2DP_AUDIO_DECODER_T));
memset(&(a2dp_audio_context.output_cfg), 0,
sizeof(A2DP_AUDIO_OUTPUT_CONFIG_T));
a2dp_audio_list_clear(
a2dp_audio_context.audio_datapath.input_raw_packet_list);
a2dp_audio_list_free(a2dp_audio_context.audio_datapath.input_raw_packet_list);
a2dp_audio_context.audio_datapath.input_raw_packet_list = NULL;
a2dp_audio_list_clear(
a2dp_audio_context.audio_datapath.output_pcm_packet_list);
a2dp_audio_list_free(
a2dp_audio_context.audio_datapath.output_pcm_packet_list);
a2dp_audio_context.audio_datapath.output_pcm_packet_list = NULL;
size_t total = 0, used = 0, max_used = 0;
a2dp_audio_heap_info(&total, &used, &max_used);
TRACE_A2DP_DECODER_I(
"[DEINIT] heap info: total - %d, used - %d, max_used - %d.", total, used,
max_used);
// ASSERT_A2DP_DECODER(used == 0, "[%s] used != 0", __func__);
a2dp_audio_set_store_packet_status(
A2DP_AUDIO_DECODER_STORE_PACKET_STATUS_IDLE);
a2dp_audio_set_playback_status(A2DP_AUDIO_DECODER_PLAYBACK_STATUS_IDLE);
a2dp_audio_set_status(A2DP_AUDIO_DECODER_STATUS_NULL);
#if A2DP_DECODER_HISTORY_SEQ_SAVE
a2dp_audio_reset_history_seq();
#endif
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_stop(void) {
TRACE_A2DP_DECODER_I("[STOP]");
int cnt = 0;
a2dp_audio_set_status(A2DP_AUDIO_DECODER_STATUS_STOP);
a2dp_audio_semaphore_release();
cnt = 50;
do {
if (a2dp_audio_get_playback_status() ==
A2DP_AUDIO_DECODER_PLAYBACK_STATUS_IDLE) {
TRACE_A2DP_DECODER_I("[DEINIT]PLAYBACK_STATUS_IDLE cnt:%d", cnt);
break;
} else {
osThreadYield();
}
} while (--cnt > 0);
cnt = 50;
do {
if (a2dp_audio_get_store_packet_status() ==
A2DP_AUDIO_DECODER_STORE_PACKET_STATUS_IDLE) {
TRACE_A2DP_DECODER_I("[DEINIT] STORE_PACKET_STATUS_IDLE cnt:%d", cnt);
break;
} else {
osThreadYield();
}
} while (--cnt > 0);
return 0;
}
int a2dp_audio_start(void) {
TRACE_A2DP_DECODER_I("[START]");
a2dp_audio_status_mutex_lock();
a2dp_audio_set_status(A2DP_AUDIO_DECODER_STATUS_START);
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_detect_next_packet_callback_register(
A2DP_AUDIO_DETECT_NEXT_PACKET_CALLBACK callback) {
a2dp_audio_status_mutex_lock();
a2dp_audio_detect_next_packet_callback = callback;
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_detect_store_packet_callback_register(
A2DP_AUDIO_DETECT_NEXT_PACKET_CALLBACK callback) {
a2dp_audio_status_mutex_lock();
a2dp_audio_store_packet_callback = callback;
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_detect_first_packet(void) {
a2dp_audio_status_mutex_lock();
a2dp_audio_context.need_detect_first_packet = true;
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_detect_first_packet_clear(void) {
a2dp_audio_status_mutex_lock();
a2dp_audio_context.need_detect_first_packet = false;
a2dp_audio_status_mutex_unlock();
return 0;
}
int a2dp_audio_discards_packet(uint32_t packets) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_status_mutex_lock();
nRet =
a2dp_audio_context.audio_decoder.audio_decoder_discards_packet(packets);
a2dp_audio_status_mutex_unlock();
} else {
nRet = -1;
}
return nRet;
}
int a2dp_audio_synchronize_dest_packet_mut(uint32_t mtu) {
int nRet = 0;
int cnt = 50;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
do {
if (a2dp_audio_get_playback_status() ==
A2DP_AUDIO_DECODER_PLAYBACK_STATUS_IDLE) {
nRet = a2dp_audio_context.audio_decoder
.audio_decoder_synchronize_dest_packet_mut(mtu);
break;
} else {
osThreadYield();
}
} while (--cnt > 0);
} else {
nRet = -1;
}
return nRet;
}
int a2dp_audio_discards_samples(uint32_t samples) {
return a2dp_audio_context.audio_decoder.a2dp_audio_discards_samples(samples);
}
int a2dp_audio_convert_list_to_samples(uint32_t *samples) {
return a2dp_audio_context.audio_decoder.a2dp_audio_convert_list_to_samples(
samples);
}
int a2dp_audio_get_packet_samples(void) {
A2DP_AUDIO_LASTFRAME_INFO_T lastframe_info;
uint32_t packet_samples = 0;
uint16_t totalSubSequenceNumber = 1;
a2dp_audio_lastframe_info_get(&lastframe_info);
if (lastframe_info.totalSubSequenceNumber) {
totalSubSequenceNumber = lastframe_info.totalSubSequenceNumber;
}
packet_samples = totalSubSequenceNumber * lastframe_info.frame_samples;
return packet_samples;
}
static int a2dp_audio_internal_lastframe_info_ptr_get(
A2DP_AUDIO_LASTFRAME_INFO_T **lastframe_info) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
*lastframe_info = &a2dp_audio_lastframe_info;
} else {
*lastframe_info = NULL;
nRet = -1;
}
return nRet;
}
int a2dp_audio_lastframe_info_get(A2DP_AUDIO_LASTFRAME_INFO_T *lastframe_info) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_buffer_mutex_lock();
memcpy(lastframe_info, &a2dp_audio_lastframe_info,
sizeof(A2DP_AUDIO_LASTFRAME_INFO_T));
a2dp_audio_buffer_mutex_unlock();
} else {
memset(lastframe_info, 0, sizeof(A2DP_AUDIO_LASTFRAME_INFO_T));
nRet = -1;
}
return nRet;
}
int a2dp_audio_decoder_internal_check_sum_reset(void) {
check_sum_seed = 0;
return 0;
}
uint32_t a2dp_audio_decoder_internal_check_sum_generate(const uint8_t *buf,
uint32_t len) {
#if A2DP_DECODER_CHECKER
check_sum_seed = crc32(check_sum_seed, buf, len);
#else
check_sum_seed = 0;
#endif
return check_sum_seed;
}
int a2dp_audio_lastframe_info_reset_undecodeframe(void) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_buffer_mutex_lock();
a2dp_audio_lastframe_info.undecode_frames = 0;
a2dp_audio_lastframe_info.undecode_max_frames = 0;
a2dp_audio_lastframe_info.undecode_min_frames = 0xffff;
a2dp_audio_decoder_internal_check_sum_reset();
a2dp_audio_lastframe_info.check_sum = 0;
a2dp_audio_buffer_mutex_unlock();
} else {
nRet = -1;
}
return nRet;
}
int a2dp_audio_decoder_internal_lastframe_info_set(
A2DP_AUDIO_DECODER_LASTFRAME_INFO_T *lastframe_info) {
a2dp_audio_buffer_mutex_lock();
a2dp_audio_lastframe_info.sequenceNumber = lastframe_info->sequenceNumber;
a2dp_audio_lastframe_info.timestamp = lastframe_info->timestamp;
a2dp_audio_lastframe_info.curSubSequenceNumber =
lastframe_info->curSubSequenceNumber;
a2dp_audio_lastframe_info.totalSubSequenceNumber =
lastframe_info->totalSubSequenceNumber;
a2dp_audio_lastframe_info.frame_samples = lastframe_info->frame_samples;
a2dp_audio_lastframe_info.list_samples = lastframe_info->list_samples;
a2dp_audio_lastframe_info.decoded_frames = lastframe_info->decoded_frames;
a2dp_audio_lastframe_info.undecode_frames = lastframe_info->undecode_frames;
a2dp_audio_lastframe_info.undecode_max_frames =
MAX(a2dp_audio_lastframe_info.undecode_frames,
a2dp_audio_lastframe_info.undecode_max_frames);
a2dp_audio_lastframe_info.undecode_min_frames =
MIN(a2dp_audio_lastframe_info.undecode_frames,
a2dp_audio_lastframe_info.undecode_min_frames);
a2dp_audio_lastframe_info.stream_info = lastframe_info->stream_info;
a2dp_audio_lastframe_info.check_sum = lastframe_info->check_sum;
a2dp_audio_buffer_mutex_unlock();
return 0;
}
int a2dp_audio_synchronize_packet(A2DP_AUDIO_SYNCFRAME_INFO_T *sync_info,
uint32_t mask) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_status_mutex_lock();
nRet = a2dp_audio_context.audio_decoder.audio_decoder_synchronize_packet(
sync_info, mask);
if (nRet == A2DP_DECODER_NOT_SUPPORT) {
// can't support synchronize packet, so return fake val;
nRet = A2DP_DECODER_NO_ERROR;
}
a2dp_audio_status_mutex_unlock();
} else {
nRet = -1;
}
return nRet;
}
int a2dp_audio_decoder_headframe_info_get(
A2DP_AUDIO_HEADFRAME_INFO_T *headframe_info) {
int nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
nRet = a2dp_audio_context.audio_decoder.audio_decoder_headframe_info_get(
headframe_info);
} else {
memset(headframe_info, 0, sizeof(A2DP_AUDIO_HEADFRAME_INFO_T));
nRet = -1;
}
return nRet;
}
int a2dp_audio_refill_packet(void) {
int refill_cnt = 0;
#if defined(A2DP_AUDIO_REFILL_AFTER_NO_CACHE)
refill_cnt += a2dp_audio_context.skip_frame_cnt_after_no_cache;
#endif
refill_cnt += a2dp_audio_context.mute_frame_cnt_after_no_cache;
return refill_cnt;
}
bool a2dp_audio_auto_synchronize_support(void) {
bool nRet = 0;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_buffer_mutex_lock();
nRet = a2dp_audio_context.audio_decoder.auto_synchronize_support > 0
? true
: false;
a2dp_audio_buffer_mutex_unlock();
} else {
nRet = 0;
}
return nRet;
}
A2DP_AUDIO_OUTPUT_CONFIG_T *a2dp_audio_get_output_config(void) {
A2DP_AUDIO_OUTPUT_CONFIG_T *output_config = NULL;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_buffer_mutex_lock();
output_config = &a2dp_audio_context.output_cfg;
a2dp_audio_buffer_mutex_unlock();
} else {
output_config = NULL;
}
return output_config;
}
int a2dp_audio_latency_factor_setlow(void) {
a2dp_audio_latency_factor = A2DP_AUDIO_LATENCY_LOW_FACTOR;
return 0;
}
int a2dp_audio_latency_factor_sethigh(void) {
a2dp_audio_latency_factor = A2DP_AUDIO_LATENCY_HIGH_FACTOR;
return 0;
}
float a2dp_audio_latency_factor_get(void) { return a2dp_audio_latency_factor; }
int a2dp_audio_latency_factor_set(float factor) {
a2dp_audio_latency_factor = factor;
return 0;
}
int a2dp_audio_latency_factor_status_get(
A2DP_AUDIO_LATENCY_STATUS_E *latency_status, float *more_latency_factor) {
if (a2dp_audio_latency_factor == A2DP_AUDIO_LATENCY_HIGH_FACTOR) {
*latency_status = A2DP_AUDIO_LATENCY_STATUS_HIGH;
*more_latency_factor = A2DP_AUDIO_LATENCY_MORE_FACTOR;
} else {
*latency_status = A2DP_AUDIO_LATENCY_STATUS_LOW;
*more_latency_factor = 1.0f;
}
return 0;
}
int a2dp_audio_frame_delay_get(void) { return get_in_cp_frame_delay(); }
int a2dp_audio_dest_packet_mut_get(void) {
return a2dp_audio_context.dest_packet_mut;
}
int a2dp_audio_set_channel_select(A2DP_AUDIO_CHANNEL_SELECT_E chnl_sel) {
int nRet = A2DP_DECODER_NO_ERROR;
if (a2dp_audio_get_status() == A2DP_AUDIO_DECODER_STATUS_START) {
a2dp_audio_context.chnl_sel = chnl_sel;
if (a2dp_audio_context.audio_decoder.audio_decoder_channel_select) {
nRet = a2dp_audio_context.audio_decoder.audio_decoder_channel_select(
chnl_sel);
}
}
return nRet;
}
float a2dp_audio_get_sample_reference(void) {
TRACE(1, "a2dp_audio_get_sample_reference:%d",
(int32_t)(a2dp_audio_context.output_cfg.factor_reference * 10000000));
return a2dp_audio_context.output_cfg.factor_reference;
}
int8_t a2dp_audio_get_current_buf_size(void) {
TRACE(1, "a2dp_audio_get_current_buf_size:%d",
(int8_t)(a2dp_audio_context.average_packet_mut + 0.5f));
return (int8_t)(a2dp_audio_context.average_packet_mut + 0.5f);
}
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