265 lines
7.2 KiB
C++
265 lines
7.2 KiB
C++
/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifdef MBED
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#include "mbed.h"
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#endif
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// Standard C Included Files
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#include <string.h>
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#include <math.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef MBED
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//#include "rtos.h"
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#endif
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#ifdef MBED
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#include "SDFileSystem.h"
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#endif
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#include "cqueue.h"
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#include "hal_uart.h"
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#include "hal_timer.h"
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#include "hal_trace.h"
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#include "app_audio.h"
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// BT
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#if 0
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/* mutex */
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osMutexId g_voicecvsd_queue_mutex_id = NULL;
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osMutexDef(g_voicecvsd_queue_mutex);
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/* cvsd queue */
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#define VOICECVSD_TEMP_BUFFER_SIZE 128
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#define VOICECVSD_QUEUE_SIZE (VOICECVSD_TEMP_BUFFER_SIZE*20)
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CQueue voicecvsd_queue;
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static enum APP_AUDIO_CACHE_T voicecvsd_cache_status = APP_AUDIO_CACHE_QTY;
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#define LOCK_VOICECVSD_QUEUE() \
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osMutexWait(g_voicecvsd_queue_mutex_id, osWaitForever)
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#define UNLOCK_VOICECVSD_QUEUE() \
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osMutexRelease(g_voicecvsd_queue_mutex_id)
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void xLOCK_VOICECVSD_QUEUE(void)
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{
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osMutexWait(g_voicecvsd_queue_mutex_id, osWaitForever);
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}
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void xUNLOCK_VOICECVSD_QUEUE(void)
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{
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osMutexRelease(g_voicecvsd_queue_mutex_id);
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}
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//static void dump_buffer_to_psram(char *buf, unsigned int len)
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//{
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// static unsigned int offset = 0;
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// memcpy((void *)(0x1c000000 + offset), buf, len);
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//}
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static void copy_one_trace_to_two_track_16bits(uint16_t *src_buf, uint16_t *dst_buf, uint32_t src_len)
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{
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uint32_t i = 0;
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for (i = 0; i < src_len; ++i) {
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dst_buf[i*2 + 0] = dst_buf[i*2 + 1] = src_buf[i];
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}
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}
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int store_voicecvsd_buffer(unsigned char *buf, unsigned int len)
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{
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LOCK_VOICECVSD_QUEUE();
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EnCQueue(&voicecvsd_queue, buf, len);
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#if 0
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dump_buffer_to_psram((char *)buf, len);
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TRACE(1,"%d\n", LengthOfCQueue(&voicecvsd_queue));
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#endif
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if (LengthOfCQueue(&voicecvsd_queue) > VOICECVSD_TEMP_BUFFER_SIZE*10) {
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voicecvsd_cache_status = APP_AUDIO_CACHE_OK;
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}
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UNLOCK_VOICECVSD_QUEUE();
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return 0;
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}
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int store_voice_pcm2cvsd(unsigned char *buf, unsigned int len)
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{
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uint8_t cvsdtmpbuffer[VOICECVSD_TEMP_BUFFER_SIZE];
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short * pBuffProcessed = (short *)buf;
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uint32_t processed_len = 0;
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uint32_t remain_len = 0;
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len >>= 1;
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LOCK_VOICECVSD_QUEUE();
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while(processed_len < len){
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remain_len = len-processed_len;
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if (remain_len>VOICECVSD_TEMP_BUFFER_SIZE){
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Pcm8kToCvsd(pBuffProcessed + processed_len, cvsdtmpbuffer, VOICECVSD_TEMP_BUFFER_SIZE);
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EnCQueue(&voicecvsd_queue, cvsdtmpbuffer, VOICECVSD_TEMP_BUFFER_SIZE);
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processed_len += VOICECVSD_TEMP_BUFFER_SIZE;
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}else{
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Pcm8kToCvsd(pBuffProcessed + processed_len, cvsdtmpbuffer, remain_len);
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EnCQueue(&voicecvsd_queue, cvsdtmpbuffer, remain_len);
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processed_len += remain_len;
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}
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}
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UNLOCK_VOICECVSD_QUEUE();
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#if 0
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dump_buffer_to_psram((char *)buf, len);
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TRACE(1,"%d\n", LengthOfCQueue(&voicecvsd_queue));
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#endif
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if (LengthOfCQueue(&voicecvsd_queue) > VOICECVSD_TEMP_BUFFER_SIZE*10) {
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voicecvsd_cache_status = APP_AUDIO_CACHE_OK;
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}
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return 0;
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}
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int get_voicecvsd_buffer_size(void)
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{
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int n;
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LOCK_VOICECVSD_QUEUE();
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n = LengthOfCQueue(&voicecvsd_queue);
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UNLOCK_VOICECVSD_QUEUE();
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return n;
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}
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static short tmp_decode_buf[VOICECVSD_TEMP_BUFFER_SIZE*2];
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int decode_cvsd_frame(unsigned char *pcm_buffer, unsigned int pcm_len)
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{
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uint32_t r = 0, decode_len = 0;
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unsigned char *e1 = NULL, *e2 = NULL;
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unsigned int len1 = 0, len2 = 0;
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while (decode_len < pcm_len) {
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get_again:
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LOCK_VOICECVSD_QUEUE();
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len1 = len2 = 0;
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r = PeekCQueue(&voicecvsd_queue, VOICECVSD_TEMP_BUFFER_SIZE, &e1, &len1, &e2, &len2);
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UNLOCK_VOICECVSD_QUEUE();
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if(r == CQ_ERR || len1 == 0) {
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//return 0;
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Thread::wait(4);
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goto get_again;
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}
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if (len1 != 0) {
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//CvsdToPcm8k(e1, (short *)(pcm_buffer + decode_len*4), len1, 0);
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CvsdToPcm8k(e1, (short *)(tmp_decode_buf), len1, 0);
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copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len1);
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LOCK_VOICECVSD_QUEUE();
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DeCQueue(&voicecvsd_queue, 0, len1);
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UNLOCK_VOICECVSD_QUEUE();
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decode_len += len1*4;
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}
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if (len2 != 0) {
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//CvsdToPcm8k(e2, (short *)(pcm_buffer + decode_len*4), len2, 0);
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CvsdToPcm8k(e2, (short *)(tmp_decode_buf), len2, 0);
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copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len2);
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LOCK_VOICECVSD_QUEUE();
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DeCQueue(&voicecvsd_queue, 0, len2);
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UNLOCK_VOICECVSD_QUEUE();
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decode_len += len2*4;
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}
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}
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return 0;
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}
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uint32_t decode_cvsd_frame_noblock(uint8_t *pcm_buffer, uint32_t pcm_len)
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{
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unsigned int len[2];
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uint8_t *e[2];
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uint32_t decode_len = 0;
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LOCK_VOICECVSD_QUEUE();
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while (decode_len < pcm_len)
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{
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len[0] = len[1] = 0;
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e[0] = e[1] = NULL;
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if(PeekCQueue(&voicecvsd_queue, VOICECVSD_TEMP_BUFFER_SIZE, &e[0], &len[0], &e[1], &len[1]) == CQ_OK)
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{
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for(uint8_t i=0; i<2; i++)
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{
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if (len[i] != 0)
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{
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CvsdToPcm8k(e[i], (short *)(tmp_decode_buf), len[i], 0);
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copy_one_trace_to_two_track_16bits((uint16_t *)tmp_decode_buf, (uint16_t *)(pcm_buffer + decode_len), len[i]);
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DeCQueue(&voicecvsd_queue, 0, len[i]);
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decode_len += len[i]*4;
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}
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}
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}
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else
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{
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break;
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}
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}
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UNLOCK_VOICECVSD_QUEUE();
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return decode_len;
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}
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uint32_t voicecvsd_audio_more_data(uint8_t *buf, uint32_t len)
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{
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uint32_t l = 0;
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uint32_t cur_ticks = 0, ticks = 0;
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if (voicecvsd_cache_status == APP_AUDIO_CACHE_CACHEING)
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return 0;
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TRACE(2,"%s enter reamin:%d", __func__, LengthOfCQueue(&voicecvsd_queue));
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ticks = hal_sys_timer_get();
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l = decode_cvsd_frame_noblock(buf, len);
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cur_ticks = hal_sys_timer_get();
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TRACE(3,"%s exit reamin:%d spend:%d\n", __func__, LengthOfCQueue(&voicecvsd_queue) ,TICKS_TO_MS(cur_ticks-ticks));
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return l;
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}
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int voicecvsd_audio_init(void)
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{
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uint8_t *buff = NULL;
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app_audio_mempool_get_buff(&buff, VOICECVSD_QUEUE_SIZE);
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memset(buff, 0, VOICECVSD_QUEUE_SIZE);
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/* voicebtpcm_pcm queue*/
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APP_AUDIO_InitCQueue(&voicecvsd_queue, VOICECVSD_QUEUE_SIZE, buff);
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Pcm8k_CvsdInit();
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if (g_voicecvsd_queue_mutex_id == NULL)
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{
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g_voicecvsd_queue_mutex_id = osMutexCreate((osMutex(g_voicecvsd_queue_mutex)));
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}
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voicecvsd_cache_status = APP_AUDIO_CACHE_CACHEING;
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}
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#endif
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