pinebuds/apps/audioplayers/cvsdplay.cpp

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2022-08-15 04:20:27 -05:00
/***************************************************************************
*
* 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 All unpublished rights reserved.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.
*
****************************************************************************/
#ifdef MBED
#include "mbed.h"
#endif
// Standard C Included Files
#include <string.h>
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#ifdef MBED
//#include "rtos.h"
#endif
#ifdef MBED
#include "SDFileSystem.h"
#endif
#include "cqueue.h"
#include "hal_uart.h"
#include "hal_timer.h"
#include "hal_trace.h"
#include "app_audio.h"
// BT
#if 0
/* mutex */
osMutexId g_voicecvsd_queue_mutex_id = NULL;
osMutexDef(g_voicecvsd_queue_mutex);
/* cvsd queue */
#define VOICECVSD_TEMP_BUFFER_SIZE 128
#define VOICECVSD_QUEUE_SIZE (VOICECVSD_TEMP_BUFFER_SIZE*20)
CQueue voicecvsd_queue;
static enum APP_AUDIO_CACHE_T voicecvsd_cache_status = APP_AUDIO_CACHE_QTY;
#define LOCK_VOICECVSD_QUEUE() \
osMutexWait(g_voicecvsd_queue_mutex_id, osWaitForever)
#define UNLOCK_VOICECVSD_QUEUE() \
osMutexRelease(g_voicecvsd_queue_mutex_id)
void xLOCK_VOICECVSD_QUEUE(void)
{
osMutexWait(g_voicecvsd_queue_mutex_id, osWaitForever);
}
void xUNLOCK_VOICECVSD_QUEUE(void)
{
osMutexRelease(g_voicecvsd_queue_mutex_id);
}
//static void dump_buffer_to_psram(char *buf, unsigned int len)
//{
// static unsigned int offset = 0;
// memcpy((void *)(0x1c000000 + offset), buf, len);
//}
static void copy_one_trace_to_two_track_16bits(uint16_t *src_buf, uint16_t *dst_buf, uint32_t src_len)
{
uint32_t i = 0;
for (i = 0; i < src_len; ++i) {
dst_buf[i*2 + 0] = dst_buf[i*2 + 1] = src_buf[i];
}
}
int store_voicecvsd_buffer(unsigned char *buf, unsigned int len)
{
LOCK_VOICECVSD_QUEUE();
EnCQueue(&voicecvsd_queue, buf, len);
#if 0
dump_buffer_to_psram((char *)buf, len);
TRACE(1,"%d\n", LengthOfCQueue(&voicecvsd_queue));
#endif
if (LengthOfCQueue(&voicecvsd_queue) > VOICECVSD_TEMP_BUFFER_SIZE*10) {
voicecvsd_cache_status = APP_AUDIO_CACHE_OK;
}
UNLOCK_VOICECVSD_QUEUE();
return 0;
}
int store_voice_pcm2cvsd(unsigned char *buf, unsigned int len)
{
uint8_t cvsdtmpbuffer[VOICECVSD_TEMP_BUFFER_SIZE];
short * pBuffProcessed = (short *)buf;
uint32_t processed_len = 0;
uint32_t remain_len = 0;
len >>= 1;
LOCK_VOICECVSD_QUEUE();
while(processed_len < len){
remain_len = len-processed_len;
if (remain_len>VOICECVSD_TEMP_BUFFER_SIZE){
Pcm8kToCvsd(pBuffProcessed + processed_len, cvsdtmpbuffer, VOICECVSD_TEMP_BUFFER_SIZE);
EnCQueue(&voicecvsd_queue, cvsdtmpbuffer, VOICECVSD_TEMP_BUFFER_SIZE);
processed_len += VOICECVSD_TEMP_BUFFER_SIZE;
}else{
Pcm8kToCvsd(pBuffProcessed + processed_len, cvsdtmpbuffer, remain_len);
EnCQueue(&voicecvsd_queue, cvsdtmpbuffer, remain_len);
processed_len += remain_len;
}
}
UNLOCK_VOICECVSD_QUEUE();
#if 0
dump_buffer_to_psram((char *)buf, len);
TRACE(1,"%d\n", LengthOfCQueue(&voicecvsd_queue));
#endif
if (LengthOfCQueue(&voicecvsd_queue) > VOICECVSD_TEMP_BUFFER_SIZE*10) {
voicecvsd_cache_status = APP_AUDIO_CACHE_OK;
}
return 0;
}
int get_voicecvsd_buffer_size(void)
{
int n;
LOCK_VOICECVSD_QUEUE();
n = LengthOfCQueue(&voicecvsd_queue);
UNLOCK_VOICECVSD_QUEUE();
return n;
}
static short tmp_decode_buf[VOICECVSD_TEMP_BUFFER_SIZE*2];
int decode_cvsd_frame(unsigned char *pcm_buffer, unsigned int pcm_len)
{
uint32_t r = 0, decode_len = 0;
unsigned char *e1 = NULL, *e2 = NULL;
unsigned int len1 = 0, len2 = 0;
while (decode_len < pcm_len) {
get_again:
LOCK_VOICECVSD_QUEUE();
len1 = len2 = 0;
r = PeekCQueue(&voicecvsd_queue, VOICECVSD_TEMP_BUFFER_SIZE, &e1, &len1, &e2, &len2);
UNLOCK_VOICECVSD_QUEUE();
if(r == CQ_ERR || len1 == 0) {
//return 0;
Thread::wait(4);
goto get_again;
}
if (len1 != 0) {
//CvsdToPcm8k(e1, (short *)(pcm_buffer + decode_len*4), len1, 0);
CvsdToPcm8k(e1, (short *)(tmp_decode_buf), len1, 0);
copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len1);
LOCK_VOICECVSD_QUEUE();
DeCQueue(&voicecvsd_queue, 0, len1);
UNLOCK_VOICECVSD_QUEUE();
decode_len += len1*4;
}
if (len2 != 0) {
//CvsdToPcm8k(e2, (short *)(pcm_buffer + decode_len*4), len2, 0);
CvsdToPcm8k(e2, (short *)(tmp_decode_buf), len2, 0);
copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len2);
LOCK_VOICECVSD_QUEUE();
DeCQueue(&voicecvsd_queue, 0, len2);
UNLOCK_VOICECVSD_QUEUE();
decode_len += len2*4;
}
}
return 0;
}
uint32_t decode_cvsd_frame_noblock(uint8_t *pcm_buffer, uint32_t pcm_len)
{
unsigned int len[2];
uint8_t *e[2];
uint32_t decode_len = 0;
LOCK_VOICECVSD_QUEUE();
while (decode_len < pcm_len)
{
len[0] = len[1] = 0;
e[0] = e[1] = NULL;
if(PeekCQueue(&voicecvsd_queue, VOICECVSD_TEMP_BUFFER_SIZE, &e[0], &len[0], &e[1], &len[1]) == CQ_OK)
{
for(uint8_t i=0; i<2; i++)
{
if (len[i] != 0)
{
CvsdToPcm8k(e[i], (short *)(tmp_decode_buf), len[i], 0);
copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len[i]);
DeCQueue(&voicecvsd_queue, 0, len[i]);
decode_len += len[i]*4;
}
}
}
else
{
break;
}
}
UNLOCK_VOICECVSD_QUEUE();
return decode_len;
}
uint32_t voicecvsd_audio_more_data(uint8_t *buf, uint32_t len)
{
uint32_t l = 0;
uint32_t cur_ticks = 0, ticks = 0;
if (voicecvsd_cache_status == APP_AUDIO_CACHE_CACHEING)
return 0;
TRACE(2,"%s enter reamin:%d", __func__, LengthOfCQueue(&voicecvsd_queue));
ticks = hal_sys_timer_get();
l = decode_cvsd_frame_noblock(buf, len);
cur_ticks = hal_sys_timer_get();
TRACE(3,"%s exit reamin:%d spend:%d\n", __func__, LengthOfCQueue(&voicecvsd_queue) ,TICKS_TO_MS(cur_ticks-ticks));
return l;
}
int voicecvsd_audio_init(void)
{
uint8_t *buff = NULL;
app_audio_mempool_get_buff(&buff, VOICECVSD_QUEUE_SIZE);
memset(buff, 0, VOICECVSD_QUEUE_SIZE);
/* voicebtpcm_pcm queue*/
APP_AUDIO_InitCQueue(&voicecvsd_queue, VOICECVSD_QUEUE_SIZE, buff);
Pcm8k_CvsdInit();
if (g_voicecvsd_queue_mutex_id == NULL)
{
g_voicecvsd_queue_mutex_id = osMutexCreate((osMutex(g_voicecvsd_queue_mutex)));
}
voicecvsd_cache_status = APP_AUDIO_CACHE_CACHEING;
}
#endif