pure sdk for main

This commit is contained in:
divadiow
2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
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/***************************************************
该demo主要是使用AT命令控制录制音频,录制格式为WAV
***************************************************/
#include "osal/string.h"
#include "custom_mem/custom_mem.h"
#include "stream_frame.h"
#include "osal/task.h"
#include "osal_file.h"
void at_save_audio_thread(void *d);
typedef struct
{
char chRIFF[4]; // "RIFF" 标志
int total_Len; // 文件长度
char chWAVE[4]; // "WAVE" 标志
char chFMT[4]; // "fmt" 标志
int dwFMTLen; // 过渡字节(不定) 一般为16
short fmt_pcm; // 格式类别
short channels; // 声道数
int fmt_samplehz; // 采样率
int fmt_bytepsec; // 位速
short fmt_bytesample; // 一个采样多声道数据块大小
short fmt_bitpsample; // 一个采样占的 bit 数
char chDATA[4]; // 数据标记符"data "
int dwDATALen; // 语音数据的长度,比文件长度小42一般。这个是计算音频播放时长的关键参数~
}WaveHeader;
const unsigned char wav_header[] = {
'R', 'I', 'F', 'F', // "RIFF" 标志
0, 0, 0, 0, // 文件长度
'W', 'A', 'V', 'E', // "WAVE" 标志
'f', 'm', 't', ' ', // "fmt" 标志
16, 0, 0, 0, // 过渡字节(不定)
0x01, 0x00, // 格式类别
0x01, 0x00, // 声道数
0, 0, 0, 0, // 采样率
0, 0, 0, 0, // 位速
0x01, 0x00, // 一个采样多声道数据块大小
0x10, 0x00, // 一个采样占的 bit 数
'd', 'a', 't', 'a', // 数据标记符"data "
0, 0, 0, 0 // 语音数据的长度,比文件长度小42一般。这个是计算音频播放时长的关键参数~
};
struct AT_AUDIO
{
uint32_t frq;
struct os_task task;
uint8_t filename_prefix[4];
uint8_t running;
uint32_t minute;
};
static struct AT_AUDIO *audio_s = NULL;
int32 demo_atcmd_save_audio(const char *cmd, char *argv[], uint32 argc)
{
if(argc < 2)
{
os_printf("%s argc too small:%d,should more 2 arg\n",__FUNCTION__,argc);
return 0;
}
if(os_atoi(argv[0]) == 1)
{
if(audio_s)
{
os_printf("%s already running\n");
return 0;
}
else
{
audio_s = custom_malloc(sizeof(struct AT_AUDIO));
if(audio_s)
{
os_memset(audio_s,0,sizeof(struct AT_AUDIO));
audio_s->frq = os_atoi(argv[1]);
os_printf("frq:%d\n",audio_s->frq);
if(argc > 2)
{
audio_s->minute = os_atoi(argv[2]) ;
if(audio_s->minute == 0)
{
audio_s->minute = ~0;
}
}
else
{
audio_s->minute = ~0;
}
if(argc > 3)
{
int prefix_len = strlen(argv[3]);
if(prefix_len > 3)
{
os_memcpy(audio_s->filename_prefix,argv[3],3);
}
else
{
os_memcpy(audio_s->filename_prefix,argv[3],prefix_len);
}
}
else
{
os_memcpy(audio_s->filename_prefix,"def",3);
}
//创建录音频的任务
OS_TASK_INIT("at_audio", &audio_s->task, at_save_audio_thread, (uint32)audio_s, OS_TASK_PRIORITY_NORMAL, 1024);
}
}
}
else if(os_atoi(argv[0]) == 0)
{
if(!audio_s)
{
os_printf("%s not running\n");
return 0;
}
else
{
//设置停止标志位
audio_s->running = 0;
}
}
return 0;
}
static int opcode_func(stream *s,void *priv,int opcode)
{
int res = 0;
//_os_printf("%s:%d\topcode:%d\n",__FUNCTION__,__LINE__,opcode);
switch(opcode)
{
case STREAM_OPEN_ENTER:
break;
case STREAM_OPEN_EXIT:
{
enable_stream(s,1);
}
break;
case STREAM_OPEN_FAIL:
break;
default:
//默认都返回成功
break;
}
return res;
}
void at_save_audio_thread(void *d)
{
struct AT_AUDIO *a_s = (struct AT_AUDIO *)d;
WaveHeader header;
os_memcpy(&header,wav_header,sizeof(WaveHeader));
header.fmt_samplehz = a_s->frq;
header.fmt_bytepsec = a_s->frq*2;
char filename[64] = {0};
a_s->running = 1;
uint32_t count = 0;
int w_len = 0;
uint32_t flen;
uint32_t w_count = 0;
uint8_t *buf;
void *fp = NULL;
struct data_structure *get_f = NULL;
stream* s = NULL;
uint32_t start_time = 0;
s = open_stream_available(R_AT_SAVE_AUDIO,0,8,opcode_func,NULL);
if(!s)
{
goto at_save_audio_thread_end;
}
os_printf("prefix:%s\n",a_s->filename_prefix);
os_sprintf(filename,"0:audio/%s_%04d.wav",a_s->filename_prefix,(uint32_t)os_jiffies()%9999);
os_printf("record name:%s\n",filename);
fp = osal_fopen(filename,"wb+");
if(!fp)
{
goto at_save_audio_thread_end;
}
//偏移头部信息
osal_fseek(fp,sizeof(WaveHeader));
start_time = os_jiffies();
while(a_s->running && (os_jiffies()-start_time)/1000 < a_s->minute*60)
{
count++;
if(count % 1000 == 0)
{
os_printf("%s:%d\t%d\trecord time:%d\n",__FUNCTION__,__LINE__,w_count,os_jiffies()-start_time);
}
get_f = recv_real_data(s);
if(get_f)
{
buf = get_stream_real_data(get_f);
flen = get_stream_real_data_len(get_f);
w_len = osal_fwrite(buf, flen, 1, fp);
free_data(get_f);
get_f = NULL;
if(w_len <= 0)
{
goto at_save_audio_thread_end;
}
w_count += w_len;
}
else
{
os_sleep_ms(1);
}
}
at_save_audio_thread_end:
header.dwDATALen = w_count;
header.total_Len = w_count + sizeof(WaveHeader) - 8;
os_printf("%s end!!!!!!!!!!!!!\n",__FUNCTION__);
os_printf("start_time:%d\tend_time:%d\n",start_time,os_jiffies());
if(fp)
{
osal_fseek(fp,0);
osal_fwrite(&header, sizeof(header), 1, fp);
osal_fclose(fp);
}
if(s)
{
close_stream(s);
}
a_s->running = 0;
custom_free((void*)a_s);
audio_s = NULL;
return;
}