【1】Makefile编写

all:
arm-linux-gcc Client_Tcp.c lcd.c  -o main -I./include -L./lib -ljpeg -pthread.PHONY:clean
clean:rm -r  main

【2】项目图片素材

【3】客户端Client_Tcp.c


#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <fcntl.h>#include "myhead.h"//*********************************************************************************************
/*函数名称： Send_mp3函数功能： 打开音频文件，并发送音频文件给服务器参数：   服务器的套接字返回值：  成功返回0，失败返回-1
*/
int Send_mp3(int sockfd)
{int wav_fp;char file_name[20] = "abc.wav"; wav_fp = open(file_name,O_RDWR); if(wav_fp == -1) { perror("abc.wav open failed");return -1;} //获取文件大小struct stat file_msg;bzero(&file_msg, sizeof(file_msg));stat("abc.wav", &file_msg); //向服务器传入音频文件大小 <1>    那么服务器第一步接收文件大小<1>write(sockfd, &file_msg.st_size, sizeof(file_msg.st_size));//发送数据char *buf;buf = malloc(50000);bzero(buf,50000);int n = 0;while(1){//每次从wav_fd 读取50000存入buf缓冲区n = read(wav_fp, buf, 50000);if(n == 0){printf("读取完毕\n");break;}if(n <0 ){perror("读取失败");return -1;}//通过套接字向服务器传输文件int ret = send(sockfd, buf, n, 0);if(ret == -1){perror("发送失败：");return -1;}printf("成功发送大小：ret = %d\n", ret);}return 0;
}//*********************************************************************************************
/*函数名称： main函数功能： 1.创建套接字 2.连接服务器 3.功能选择参数： IP 端口运行方式： ./client 192.168.24.206 50000返回值： 成功返回0，失败返回-1
*/
int main(int argc,const char *argv[])
{if(argc != 3){printf("./main IP PORT \n");return -1;}lcd_draw_jpg(0,0,"enum.jpg",NULL,0,0);int sockfd = socket(AF_INET,SOCK_STREAM,0);if(sockfd == -1){perror("socket failed");return -1;}struct sockaddr_in saddr;socklen_t slen = sizeof(saddr);bzero(&saddr,sizeof(struct sockaddr_in));saddr.sin_family = AF_INET;saddr.sin_port = htons(50000);        //端口与客户端一致saddr.sin_addr.s_addr = inet_addr("192.168.24.19");   //服务器的IP地址int ret = connect(sockfd,(struct sockaddr *)&saddr,slen);if(ret == -1){perror("connect failed");return -1;}while(1){printf("录音口令->打开：视频|相册|上一张|下一张|暂停|关闭|退出\n");printf("开始录音........");getchar();system("arecord -d3 -c1 -r16000 -twav -fS16_LE abc.wav");//发送录音文件函数int ret = Send_mp3(sockfd);if(ret == -1){printf("send file failed\n");break;}printf("文件发送成功，等待接收回传指令\n");// //发送完删除录音//system("rm abc.wav");while(1){char str_cmd[50] = {0};int CMD =0 ;//接收服务器发送的口令recv(sockfd, str_cmd, 24, 0);if(strstr(str_cmd,"相册")!=NULL)CMD = 0;if(strstr(str_cmd,"上一张")!=NULL)CMD = 1;if(strstr(str_cmd,"下一张")!=NULL)CMD = 2;if(strstr(str_cmd,"视频1")!=NULL)CMD = 3;if(strstr(str_cmd,"暂停")!=NULL)CMD = 4;if(strstr(str_cmd,"继续")!=NULL)CMD = 5;if(strstr(str_cmd,"关闭")!=NULL)CMD = 6;if(strstr(str_cmd,"退出")!=NULL)CMD = 7;if(strstr(str_cmd,"视频2")!=NULL)CMD = 8;switch (CMD){case 0:printf("打开相册\n");//关闭视频system("killall -9 mplayer");lcd_draw_jpg(0,0,"1.jpg",NULL,0,0);break;case 1:printf("打开上一张\n");lcd_draw_jpg(0,0,"2.jpg",NULL,0,0);break;case 2:printf("打开下一张\n");lcd_draw_jpg(0,0,"3.jpg",NULL,0,0);break;case 3://播放视频1system("mplayer -quiet -zoom -x 800 -y 480 2.avi < /dev/null &"); // 后台播放视频break;case 4://暂停视频system("killall -STOP mplayer &");break;case 5://继续播放system("killall -CONT mplayer &");break;case 6:printf("关闭相册\n");lcd_draw_jpg(0,0,"enum.jpg",NULL,0,0);    break;case 7://关闭播放printf("退出视频1\n");system("killall -9 mplayer");lcd_draw_jpg(0,0,"enum.jpg",NULL,0,0);break;case 8://播放视频2system("mplayer -quiet -zoom -x 800 -y 480 kjwei.avi < /dev/null &");break;}break;}  }return 0;
}

【4】客户端配套lcd.c

#include "myhead.h"int lcd_draw_jpg(unsigned int x,unsigned int y,const char *pjpg_path,char *pjpg_buf,unsigned int jpg_buf_size,unsigned int jpg_half);static char g_color_buf[FB_SIZE]={0};static int  g_fb_fd;
static int *g_pfb_memory;volatile int g_jpg_in_jpg_x;
volatile int g_jpg_in_jpg_y;//鑾峰彇鏂囦欢鐨勫睘鎬?unsigned long file_size_get(const char *pfile_path)
{unsigned long filesize = -1;  struct stat statbuff;//鑾峰彇鏂囦欢灞炴€?   if(stat(pfile_path, &statbuff) < 0){return filesize;}else{filesize = statbuff.st_size; //鑾峰彇鏂囦欢澶у皬}return filesize;
}int lcd_open(const char *str)
{g_fb_fd = open(str, O_RDWR);if(g_fb_fd<0){printf("open lcd error\n");return -1;}//鏄犲皠鍥剧墖绌洪棿澶у皬g_pfb_memory  = (int *)mmap(NULL, FB_SIZE,    PROT_READ|PROT_WRITE, MAP_SHARED, g_fb_fd, 0    );if (MAP_FAILED == g_pfb_memory ){printf ("mmap failed %d\n",__LINE__);}return g_fb_fd;}//鍏抽棴鏄犲皠绌洪棿鍜屾枃浠?void close_lcd(void)
{munmap(g_pfb_memory, FB_SIZE);close(g_fb_fd);
}void lcd_draw_point(unsigned int x,unsigned int y, unsigned int color)
{*(g_pfb_memory+y*800+x)=color;
}#if EN_LCD_SHOW_JPG//鏄剧ずjpg鍥剧墖
int lcd_draw_jpg(unsigned int x,unsigned int y,const char *pjpg_path,char *pjpg_buf,unsigned int jpg_buf_size,unsigned int jpg_half)
{//鎵撳紑鏂囦欢璁惧lcd_open("/dev/fb0");struct   jpeg_decompress_struct  cinfo;struct    jpeg_error_mgr  jerr;   char    *pcolor_buf = g_color_buf;char     *pjpg;unsigned int  i=0;unsigned int   color =0;unsigned int  count =0;unsigned int  x_s = x;unsigned int   x_e ;   unsigned int    y_e ;int    jpg_fd;unsigned int     jpg_size;unsigned int   jpg_width;unsigned int  jpg_height;//娌℃湁鏂囦欢鍜屾槧灏勭┖闂? if(pjpg_path == NULL && pjpg_buf == NULL)return -1; if(pjpg_path!=NULL){//鎵撳紑鏂囦欢jpg_fd=open(pjpg_path,O_RDWR);if(jpg_fd == -1){printf("open %s error\n",pjpg_path);return -1; }   //鑾峰彇鏂囦欢澶у皬鍑芥暟jpg_size=file_size_get(pjpg_path);   //鐢宠鏂囦欢澶у皬鐨勭┖闂?pjpg = malloc(jpg_size);//璇诲彇鎵撳紑鐨勬枃浠? 瀛樺湪鏂囦欢澶у皬鐨勭┖闂?read(jpg_fd,pjpg,jpg_size);}else {jpg_size = jpg_buf_size;pjpg = pjpg_buf;}//鍥剧墖鍑洪敊澶勭悊cinfo.err = jpeg_std_error(&jerr);jpeg_create_decompress(&cinfo);jpeg_mem_src(&cinfo,pjpg,jpg_size);jpeg_read_header(&cinfo, TRUE);jpeg_start_decompress(&cinfo); if(jpg_half) {x_e   = x_s+(cinfo.output_width/2);y_e  = y  +(cinfo.output_height/2);        while(cinfo.output_scanline < cinfo.output_height){      pcolor_buf = g_color_buf;jpeg_read_scanlines(&cinfo,(JSAMPARRAY)&pcolor_buf,1);            jpeg_read_scanlines(&cinfo,(JSAMPARRAY)&pcolor_buf,1);for(i=0; i<(cinfo.output_width/2); i++){color =        *(pcolor_buf+2); // Bcolor = color | *(pcolor_buf+1)<<8; // Gcolor = color | *(pcolor_buf)<<16; //Rlcd_draw_point(x,y,color);pcolor_buf +=6;x++;}y++;                 x = x_s;   }}else{x_e  = x_s+cinfo.output_width;y_e  = y  +cinfo.output_height;    while(cinfo.output_scanline < cinfo.output_height )// 锟叫断讹拷取一锟斤拷锟斤拷锟斤拷{      pcolor_buf = g_color_buf;jpeg_read_scanlines(&cinfo,(JSAMPARRAY)&pcolor_buf,1);for(i=0; i<cinfo.output_width; i++){/* 锟斤拷取rgb值  锟斤拷RGB锟较筹拷16位锟斤拷锟斤拷锟截碉拷锟斤拷锟斤拷 0x00ff0000 */color =      *(pcolor_buf+2)<<0;//Bcolor = color | *(pcolor_buf+1)<<8;//Gcolor = color | *(pcolor_buf)<<16;//R  /* 锟斤拷示锟斤拷锟截碉拷 */lcd_draw_point(x,y,color);pcolor_buf +=3;x++;}/* 锟斤拷锟斤拷 */y++;          x = x_s;}      }/*锟斤拷锟斤拷锟斤拷锟?/jpeg_finish_decompress(&cinfo);jpeg_destroy_decompress(&cinfo);if(pjpg_path!=NULL){/* 锟截憋拷jpg锟侥硷拷 */close(jpg_fd);  /* 锟酵凤拷jpg锟侥硷拷锟节达拷占锟?*/free(pjpg);      }close_lcd();return 0;
}int lcd_draw_jpg_in_jpg(unsigned int x,unsigned int y,const char *pjpg_path,char *pjpg_buf,unsigned int jpg_buf_size)
{/*锟斤拷锟斤拷锟斤拷锟斤拷锟襟，达拷锟斤拷锟斤拷锟斤拷锟斤拷*/struct     jpeg_decompress_struct  cinfo;struct    jpeg_error_mgr          jerr;   char    *pcolor_buf = g_color_buf;char     *pjpg;unsigned int  i=0,j=0;unsigned int  color =0;unsigned int  count =0;unsigned int  x_s = x;unsigned int   x_e ;   unsigned int    y_e ;unsigned int   y_n = y;unsigned int   x_n = x;int    jpg_fd;unsigned int     jpg_size;if(pjpg_path!=NULL){/* 锟斤拷锟斤拷jpg锟斤拷源锟斤拷权锟睫可讹拷锟斤拷写 */  jpg_fd=open(pjpg_path,O_RDWR);if(jpg_fd == -1){printf("open %s error\n",pjpg_path);return -1;  }   /* 锟斤拷取jpg锟侥硷拷锟侥达拷小 */jpg_size=file_size_get(pjpg_path);   /* 为jpg锟侥硷拷锟斤拷锟斤拷锟节达拷占锟?*/  pjpg = malloc(jpg_size);/* 锟斤拷取jpg锟侥硷拷锟斤拷锟斤拷锟斤拷锟捷碉拷锟节达拷 */     read(jpg_fd,pjpg,jpg_size);}else{jpg_size = jpg_buf_size;pjpg = pjpg_buf;}/*注锟斤拷锟斤拷锟斤拷锟斤拷锟?/cinfo.err = jpeg_std_error(&jerr);/*锟斤拷锟斤拷锟斤拷锟斤拷*/jpeg_create_decompress(&cinfo);/*直锟接斤拷锟斤拷锟节达拷锟斤拷锟斤拷*/      jpeg_mem_src(&cinfo,pjpg,jpg_size);/*锟斤拷锟侥硷拷头*/jpeg_read_header(&cinfo, TRUE);/*锟斤拷始锟斤拷锟斤拷*/jpeg_start_decompress(&cinfo);  x_e = x_s+cinfo.output_width;y_e  = y  +cinfo.output_height;    /*锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷*/while(cinfo.output_scanline < cinfo.output_height ){      pcolor_buf = g_color_buf;/* 锟斤拷取jpg一锟叫碉拷rgb值 */jpeg_read_scanlines(&cinfo,(JSAMPARRAY)&pcolor_buf,1);for(i=0; i<cinfo.output_width; i++){/* 锟斤拷锟斤拷示锟侥诧拷锟斤拷 */if(y_n>g_jpg_in_jpg_y && y_n<g_jpg_in_jpg_y+240)if(x_n>g_jpg_in_jpg_x && x_n<g_jpg_in_jpg_x+320){pcolor_buf +=3;x_n++;continue;}/* 锟斤拷取rgb值 */color =        *(pcolor_buf+2);color = color | *(pcolor_buf)<<8;color = color | *(pcolor_buf)<<16;  /* 锟斤拷示锟斤拷锟截碉拷 */lcd_draw_point(x_n,y_n,color);pcolor_buf +=3;x_n++;}/* 锟斤拷锟斤拷 */y_n++;           x_n = x_s;}        /*锟斤拷锟斤拷锟斤拷锟?/jpeg_finish_decompress(&cinfo);jpeg_destroy_decompress(&cinfo);if(pjpg_path!=NULL){/* 锟截憋拷jpg锟侥硷拷 */close(jpg_fd);   /* 锟酵凤拷jpg锟侥硷拷锟节达拷占锟?*/free(pjpg);      }return 0;
}
#endif//LCD锟斤拷锟斤拷锟街凤拷锟斤拷锟酵计?int lcd_draw_bmp(unsigned int x,unsigned int y,const char *pbmp_path)
{int bmp_fd;unsigned int blue, green, red;unsigned int color;unsigned int bmp_width;unsigned int bmp_height;unsigned int bmp_type;unsigned int bmp_size;unsigned int x_s = x;unsigned int x_e ;    unsigned int y_e ;unsigned char buf[54]={0};char *pbmp_buf=g_color_buf;/* 锟斤拷锟斤拷位图锟斤拷源锟斤拷权锟睫可讹拷锟斤拷写 */    bmp_fd=open(pbmp_path,O_RDWR);if(bmp_fd == -1){printf("open bmp error\r\n");return -1; }/* 锟斤拷取位图头锟斤拷锟斤拷息 */read(bmp_fd,buf,54);/* 锟斤拷锟斤拷  */bmp_width =buf[18];bmp_width|=buf[19]<<8;printf("bmp_width=%d\r\n",bmp_width);/* 锟竭讹拷  */bmp_height =buf[22];bmp_height|=buf[23]<<8;printf("bmp_height=%d\r\n",bmp_height); /* 锟侥硷拷锟斤拷锟斤拷 */bmp_type =buf[28];bmp_type|=buf[29]<<8;printf("bmp_type=%d\r\n",bmp_type);   /* 锟斤拷锟斤拷锟斤拷示x锟斤拷y锟斤拷锟斤拷锟斤拷锟轿伙拷锟?*/x_e = x + bmp_width;y_e = y + bmp_height;/* 锟斤拷取位图锟侥硷拷锟侥达拷小 */bmp_size=file_size_get(pbmp_path);/* 锟斤拷取锟斤拷锟斤拷RGB锟斤拷锟斤拷 */read(bmp_fd,pbmp_buf,bmp_size-54);for(;y < y_e; y++){for (;x < x_e; x++){/* 锟斤拷取锟斤拷锟斤拷锟斤拷锟斤拷色锟斤拷锟斤拷 */blue  = *pbmp_buf++;green = *pbmp_buf++;red   = *pbmp_buf++;/* 锟叫断碉拷前锟斤拷位图锟角凤拷32位锟斤拷色 */if(bmp_type == 32){pbmp_buf++;}/* 锟斤拷锟?4bit锟斤拷色 */color = red << 16 | green << 8 | blue << 0;lcd_draw_point(x, y, color);              }x = x_s;}/* 锟斤拷锟斤拷使锟斤拷BMP锟斤拷锟斤拷锟酵凤拷bmp锟斤拷源 */close(bmp_fd);   return 0;
}// int main(int argc, char const *argv[])
// {//  printf("1:1.jpg 2:2.jpg 3:3.jpg\n");
//  int num;
//  scanf("%d",&num);
//  if(num ==1)
//  {//      lcd_draw_jpg(0, 0, "1.jpg", NULL, 0, 0);
//  }
//  else if(num == 2)
//  {//      lcd_draw_jpg(0, 0, "2.jpg", NULL, 0, 0);
//  }
//  else if(num ==3)
//  {//      lcd_draw_jpg(0, 0, "3.jpg", NULL, 0, 0);
//  }
//  return 0;
// }

【5】服务器代码

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <stdbool.h>#include "../../include/qisr.h"
#include "../../include/msp_cmn.h"
#include "../../include/msp_errors.h"#define SAMPLE_RATE_16K     (16000)
#define SAMPLE_RATE_8K      (8000)
#define MAX_GRAMMARID_LEN   (32)
#define MAX_PARAMS_LEN      (1024)const char * ASR_RES_PATH        = "fo|res/asr/common.jet"; //离线语法识别资源路径
const char * GRM_BUILD_PATH      = "res/asr/GrmBuilld"; //构建离线语法识别网络生成数据保存路径
const char * GRM_FILE            = "call.bnf"; //构建离线识别语法网络所用的语法文件
const char * LEX_NAME            = "contact"; //更新离线识别语法的contact槽（语法文件为此示例中使用的call.bnf）typedef struct _UserData {int     build_fini; //标识语法构建是否完成int     update_fini; //标识更新词典是否完成int     errcode; //记录语法构建或更新词典回调错误码char    grammar_id[MAX_GRAMMARID_LEN]; //保存语法构建返回的语法ID
}UserData;int connfd;   //连接文件描述符const char *get_audio_file(void); //选择进行离线语法识别的语音文件
int build_grammar(UserData *udata); //构建离线识别语法网络
int update_lexicon(UserData *udata); //更新离线识别语法词典
int run_asr(UserData *udata); //进行离线语法识别const char* get_audio_file(void)
{// char key = 0;// while(key != 27) //按Esc则退出// {//  printf("请选择音频文件：\n");//    printf("1.打电话给丁伟\n");//   printf("2.打电话给黄辣椒\n");//  key = getchar();//     getchar();//    switch(key)//   {//     case '1'://       printf("\n1.打电话给丁伟\n");//         return "wav/ddhgdw.pcm";//    case '2'://       printf("\n2.打电话给黄辣椒\n");//        return "wav/ddhghlj.pcm";//   default://      continue;//     }// }// exit(0);// return NULL;printf("开始接收文件...................................................n");int wavSize;read(connfd,&wavSize,sizeof(int));printf("文件大小ret = %d\n",wavSize);int file_fp;// 打开文件，准备写入 file_fp = open("wav/abc.wav",O_CREAT|O_RDWR|O_TRUNC,0777); if(file_fp<0) { printf("文件打开失败\n"); exit(1); } printf("open file succeed\n");// 接收文件内容char recvBuf[50000] = {0}; //接收到的数据存放到此处int recvSize = 0;          //实际接收的大小int fileSize = 0;         //总共接收的数据大小//循环接收，直到文件尾while(1){memset(recvBuf,0,50000);   //将recvBuf前50000个字符置0，相当于清空内存，bezero()recvSize = recv(connfd,recvBuf,50000,0); //接收客户端发送过来的数据fileSize += recvSize;  //累加读取到的总数据量printf("recvSize = %d\n",fileSize);int retval = write(file_fp,recvBuf,recvSize);   //将recvBuf中的数据写入fd中，写入数据大小为recvSizeif(retval == -1 || retval == EINTR){printf("写入数据失败\n");return false;}if(fileSize == wavSize) //写入完成break;}close(file_fp);return "wav/abc.wav";
}int build_grm_cb(int ecode, const char *info, void *udata)
{UserData *grm_data = (UserData *)udata;if (NULL != grm_data) {grm_data->build_fini = 1;grm_data->errcode = ecode;}if (MSP_SUCCESS == ecode && NULL != info) {printf("构建语法成功！ 语法ID:%s\n", info);if (NULL != grm_data)snprintf(grm_data->grammar_id, MAX_GRAMMARID_LEN - 1, info);}elseprintf("构建语法失败！%d\n", ecode);return 0;
}int build_grammar(UserData *udata)
{FILE *grm_file                           = NULL;char *grm_content                        = NULL;unsigned int grm_cnt_len                 = 0;char grm_build_params[MAX_PARAMS_LEN]    = {NULL};int ret                                  = 0;grm_file = fopen(GRM_FILE, "rb");  if(NULL == grm_file) {printf("打开\"%s\"文件失败！[%s]\n", GRM_FILE, strerror(errno));return -1; }fseek(grm_file, 0, SEEK_END);grm_cnt_len = ftell(grm_file);fseek(grm_file, 0, SEEK_SET);grm_content = (char *)malloc(grm_cnt_len + 1);if (NULL == grm_content){printf("内存分配失败!\n");fclose(grm_file);grm_file = NULL;return -1;}fread((void*)grm_content, 1, grm_cnt_len, grm_file);grm_content[grm_cnt_len] = '\0';fclose(grm_file);grm_file = NULL;snprintf(grm_build_params, MAX_PARAMS_LEN - 1, "engine_type = local, \asr_res_path = %s, sample_rate = %d, \grm_build_path = %s, ",ASR_RES_PATH,SAMPLE_RATE_16K,GRM_BUILD_PATH);ret = QISRBuildGrammar("bnf", grm_content, grm_cnt_len, grm_build_params, build_grm_cb, udata);free(grm_content);grm_content = NULL;return ret;
}int update_lex_cb(int ecode, const char *info, void *udata)
{UserData *lex_data = (UserData *)udata;if (NULL != lex_data) {lex_data->update_fini = 1;lex_data->errcode = ecode;}if (MSP_SUCCESS == ecode)printf("更新词典成功！\n");elseprintf("更新词典失败！%d\n", ecode);return 0;
}int update_lexicon(UserData *udata)
{const char *lex_content                   = "丁伟\n黄辣椒";unsigned int lex_cnt_len                  = strlen(lex_content);char update_lex_params[MAX_PARAMS_LEN]    = {NULL}; snprintf(update_lex_params, MAX_PARAMS_LEN - 1, "engine_type = local, text_encoding = UTF-8, \asr_res_path = %s, sample_rate = %d, \grm_build_path = %s, grammar_list = %s, ",ASR_RES_PATH,SAMPLE_RATE_16K,GRM_BUILD_PATH,udata->grammar_id);return QISRUpdateLexicon(LEX_NAME, lex_content, lex_cnt_len, update_lex_params, update_lex_cb, udata);
}int run_asr(UserData *udata)
{char asr_params[MAX_PARAMS_LEN]    = {NULL};const char *rec_rslt               = NULL;const char *session_id             = NULL;const char *asr_audiof             = NULL;FILE *f_pcm                        = NULL;char *pcm_data                     = NULL;long pcm_count                     = 0;long pcm_size                      = 0;int last_audio                     = 0;int aud_stat                       = MSP_AUDIO_SAMPLE_CONTINUE;int ep_status                      = MSP_EP_LOOKING_FOR_SPEECH;int rec_status                     = MSP_REC_STATUS_INCOMPLETE;int rss_status                     = MSP_REC_STATUS_INCOMPLETE;int errcode                        = -1;asr_audiof = get_audio_file();f_pcm = fopen(asr_audiof, "rb");if (NULL == f_pcm) {printf("打开\"%s\"失败！[%s]\n", f_pcm, strerror(errno));goto run_error;}fseek(f_pcm, 0, SEEK_END);pcm_size = ftell(f_pcm);fseek(f_pcm, 0, SEEK_SET);pcm_data = (char *)malloc(pcm_size);if (NULL == pcm_data)goto run_error;fread((void *)pcm_data, pcm_size, 1, f_pcm);fclose(f_pcm);f_pcm = NULL;//离线语法识别参数设置snprintf(asr_params, MAX_PARAMS_LEN - 1, "engine_type = local, \asr_res_path = %s, sample_rate = %d, \grm_build_path = %s, local_grammar = %s, \result_type = xml, result_encoding = UTF-8, ",ASR_RES_PATH,SAMPLE_RATE_16K,GRM_BUILD_PATH,udata->grammar_id);session_id = QISRSessionBegin(NULL, asr_params, &errcode);if (NULL == session_id)goto run_error;printf("开始识别...\n");while (1) {unsigned int len = 6400;if (pcm_size < 12800) {len = pcm_size;last_audio = 1;}aud_stat = MSP_AUDIO_SAMPLE_CONTINUE;if (0 == pcm_count)aud_stat = MSP_AUDIO_SAMPLE_FIRST;if (len <= 0)break;printf(">");fflush(stdout);errcode = QISRAudioWrite(session_id, (const void *)&pcm_data[pcm_count], len, aud_stat, &ep_status, &rec_status);if (MSP_SUCCESS != errcode)goto run_error;pcm_count += (long)len;pcm_size -= (long)len;//检测到音频结束if (MSP_EP_AFTER_SPEECH == ep_status)break;usleep(150 * 1000); //模拟人说话时间间隙}//主动点击音频结束QISRAudioWrite(session_id, (const void *)NULL, 0, MSP_AUDIO_SAMPLE_LAST, &ep_status, &rec_status);free(pcm_data);pcm_data = NULL;//获取识别结果while (MSP_REC_STATUS_COMPLETE != rss_status && MSP_SUCCESS == errcode) {rec_rslt = QISRGetResult(session_id, &rss_status, 0, &errcode);usleep(150 * 1000);}printf("\n识别结束：\n");printf("=============================================================\n");if (NULL != rec_rslt)  {printf("识别到的关键字是：%s\n",rec_rslt);//匹配关键字if(strstr(rec_rslt, "相册") != NULL){//将关键字传给客户端send(connfd, "相册",strlen("相册"),0);}else if(strstr(rec_rslt, "上一张") !=NULL){send(connfd,"上一张",strlen("上一张"),0);}else if(strstr(rec_rslt, "下一张") !=NULL){send(connfd,"下一张",strlen("下一张"),0);}else if(strstr(rec_rslt, "视频1") !=NULL){send(connfd,"视频1",strlen("视频1"),0);}else if(strstr(rec_rslt,"暂停")!=NULL){send(connfd, "暂停", strlen("暂停"), 0);}else if(strstr(rec_rslt,"继续")!=NULL){send(connfd, "继续", strlen("继续"), 0);}else if(strstr(rec_rslt, "退出") !=NULL){send(connfd,"退出",strlen("退出"),0);}else if(strstr(rec_rslt, "关闭") !=NULL){send(connfd,"关闭",strlen("关闭"),0);}else if(strstr(rec_rslt, "视频2") !=NULL){send(connfd,"视频2",strlen("视频2"),0);}}elseprintf("没有识别结果！\n");printf("=============================================================\n");goto run_exit;run_error:if (NULL != pcm_data) {free(pcm_data);pcm_data = NULL;}if (NULL != f_pcm) {fclose(f_pcm);f_pcm = NULL;}
run_exit:QISRSessionEnd(session_id, NULL);return errcode;
}//server  init
int init_tcp(int port)
{// 创建套接字int sockfd = socket(AF_INET, SOCK_STREAM, 0);if(sockfd == -1)return -1;// 设置特殊结构体地址用于通信struct sockaddr_in saddr;socklen_t len = sizeof(saddr); bzero(&saddr,sizeof(saddr));saddr.sin_family = AF_INET;saddr.sin_port = htons(port);//saddr.sin_addr.s_addr = htonl(INADDR_ANY);saddr.sin_addr.s_addr = inet_addr("192.168.24.19");// 绑定套接字int ret = bind(sockfd,(struct sockaddr *)&saddr,len);if(ret == -1)return -1;// 监听套接字ret = listen(sockfd,5);if(ret == -1)return -1;return sockfd; }int main(int argc, char* argv[])
{//******************************************************************************************************//接收客户端发送过来的音频存放到 wav/abc.wav下if(argc != 2){perror("输入格式 ./asr IP");return -1;}int sockfd = init_tcp(atoi(argv[1]));if(sockfd == -1){perror("sockfd open failed");return -1;}// 用户存放已连接套接字的信息struct sockaddr_in cliaddr;socklen_t len = sizeof(cliaddr); bzero(&cliaddr,sizeof(cliaddr));printf("等待连接中。。。。。。。。。。\n");// 等待连接connfd = accept(sockfd,(struct sockaddr *)&cliaddr,&len);printf("成功连接 connfd = %d\n",connfd);printf("new connect ip : %s\n",inet_ntoa(cliaddr.sin_addr));//*******************************************************************************************************const char *login_config    = "appid = 68e5809b"; //登录参数UserData asr_data; int ret                     = 0 ;char c;ret = MSPLogin(NULL, NULL, login_config); //第一个参数为用户名，第二个参数为密码，传NULL即可，第三个参数是登录参数if (MSP_SUCCESS != ret) {printf("登录失败：%d\n", ret);goto exit;}printf("登录成功！\n");memset(&asr_data, 0, sizeof(UserData));printf("构建离线识别语法网络...\n");ret = build_grammar(&asr_data);  //第一次使用某语法进行识别，需要先构建语法网络，获取语法ID，之后使用此语法进行识别，无需再次构建if (MSP_SUCCESS != ret) {printf("构建语法调用失败！\n");goto exit;}while (1 != asr_data.build_fini)usleep(300 * 1000);if (MSP_SUCCESS != asr_data.errcode)goto exit;printf("离线识别语法网络构建完成，开始识别...\n");   while(1){ret = run_asr(&asr_data);if (MSP_SUCCESS != ret) {printf("离线语法识别出错: %d \n", ret);goto exit;}// printf("更新离线语法词典...\n");// ret = update_lexicon(&asr_data);  //当语法词典槽中的词条需要更新时，调用QISRUpdateLexicon接口完成更新// if (MSP_SUCCESS != ret) {//   printf("更新词典调用失败！\n");//   goto exit;// }// while (1 != asr_data.update_fini)//   usleep(300 * 1000);// if (MSP_SUCCESS != asr_data.errcode)//   goto exit;// printf("更新离线语法词典完成，开始识别...\n");// ret = run_asr(&asr_data);// if (MSP_SUCCESS != ret) {//   printf("离线语法识别出错: %d \n", ret);//     goto exit;// }system("rm wav/abc.wav");}
exit:MSPLogout();printf("请按任意键退出...\n");getchar();return 0;
}

【6】源码分享

【百度网盘】链接：https://pan.baidu.com/s/1sqdr4rTu4y-flCgZRsVvlw?pwd=3ubj
提取码：3ubj

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基于局域网网络编程实现开发板显示相册以及视频和音乐

文章目录

【1】Makefile编写

【2】项目图片素材

【3】客户端Client_Tcp.c

【4】客户端配套lcd.c

【5】服务器代码

【6】源码分享

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