Mplayer--lrc.c

这是歌词解析与现实函数

#include"main.h"
#define SONG_NUM 12	//显示歌词列数
int row;//歌词行数
char *lrc_row[50];
int fp_lrc;//打开的歌词标识符
SONGNAME *head_name,*dispname;
SONGLRC *head_lrc,*displrc;
Lrc *sort_lrc(Lrc *head){
	Lrc *pa=head,*pb;
	char *next;
	int temp;
	while(pa->next!=NULL){
		pb=pa->next;
		while(pb!=NULL){
			if(pa->time>pb->time){
				temp=pa->time;
				pa->time=pb->time;
				pb->time=temp;
	
				next=pa->song_lrc;
				pa->song_lrc=pb->song_lrc;
				pb->song_lrc=next;
			}
		pb=pb->next;
		}
		pa=pa->next;
	}
	return head;
}

void disp_time(){

	int temp=atoi(time_temp);
	char Time[6]="";
	TFT_File_Picture(windowHZ, 204, 44, "./picture/time.bmp", 1);
	Time[0]=temp/60/10+'0';
	Time[1]=temp/60%10+'0';
	Time[2]=':';
	Time[3]=temp%60/10+'0';
	Time[4]=temp%60%10+'0';
	Time[5]='\0';
	printHZ(windowHZ,Time,210,51);

}
void disp(Lrc *head){
	int i=0;
	FILE *lrcfp;
	char name_old[100];
	Lrc *pa,*pb,*pc;
	pa=head;
	int second=0,lrc_flag=0;
	int k=0,lrc_row_num=0,lrc_row_flag;
	for(i=0;i<4;i++){
		if(pa->next!=NULL)
			pa=pa->next;
	}
	pc=pa;
	strcpy(name_old,name_temp);
	while(atoi(position)!=100){
		if(!pic_flag){
		write(fp_lrc,"get_time_pos\n",strlen("get_time_pos\n"));
		write(fp_lrc,"get_percent_pos\n",strlen("get_percent_pos\n"));
		write(fp_lrc,"get_file_name\n",strlen("get_file_name\n"));
		}
		lrc_flag=0;
		if(strcmp(name_old,name_temp)!=0){//如果现在的歌曲名和上次不同，就表示换歌了
			TFT_File_Picture(windowLrc, 400, 0, "./picture/lrc.bmp", 1);
			return ;
		}
		lrc_row_num=1;
		pa=pc;
		while(pa!=NULL){
			int timer;
			timer=pa->time;
			lrc_row_num++;
			if(timer==atoi(time_temp)){
				lrc_flag=1;
				break;
			}
			
			pa=pa->next;
		}
		if(lrc_flag){
			int i;
			if(lrc_row_num<=SONG_NUM){
				pb=pc;
				i=0;
				TFT_File_Picture(windowLrc, 0, 0, "./picture/lrc.bmp", 1);
				while(pb!=pa){
					printHZ(windowLrc,pb->song_lrc,50,450-32*(lrc_row_num-i));
					i++;
					pb=pb->next;
				}
				printHZ(windowLrc,pb->song_lrc,50,450-32*(lrc_row_num-i-1));
			}
			else if(lrc_row_num>SONG_NUM) {
				pb=pc;
				for(i=0;i<(lrc_row_num-SONG_NUM);i++){
					pb=pb->next;
				}
				i=0;
				TFT_File_Picture(windowLrc, 0, 0, "./picture/lrc.bmp", 1);
				while(pb!=pa){
					printHZ(windowLrc,pb->song_lrc,50,450-32*(SONG_NUM-i));
					i++;
					pb=pb->next;
				}
				printHZ(windowLrc,pa->song_lrc,50,450-32);
		}
		disp_time();
		usleep(100*100);
	}
}


Lrc *Get_Lrc(WIN_HANDLE windowLrc,FILE *lrcfp){
	
	int i=0;
	Lrc *head,*pa,*pb;
	FILE *p;
	int len=0;
	char *ptr;
	fseek(lrcfp,0,2);
	len=ftell(lrcfp);
	p=(FILE *)malloc(len);
	rewind(lrcfp);
	fread(p,1,len,lrcfp);
	printf("%s\n",lrcfp);
	
	lrc_row[i++]=(char *)strtok(p,"\n");
	while((ptr=strtok(NULL,"\n"))!=NULL){
		lrc_row[i++]=ptr;
	}
	row=i;
	int flag=1;
	for(i=0;i<row;i++){
		if(i==0){
			head=(Lrc *)malloc(sizeof(Lrc));
			ptr=strtok(lrc_row[i],"]");
			head->song_lrc=ptr;
			
			while(head->song_lrc=strtok(NULL,"]")!=NULL);
			pa=head;
		}
		else{
			pb=malloc(sizeof(Lrc));
			pa->next=pb;
			char *p;//存储歌词的首地址
			p=strrchr(lrc_row[i],']')+1;
			ptr=strtok(lrc_row[i],"]");
			if(flag++<4)pa->song_lrc=ptr;
			else{
				pb->time=(*(ptr+1)-'0')*600+(*(ptr+2)-'0')*60+(*(ptr+4)-'0')*10+*(ptr+5)-'0';
				pb->song_lrc=p;
			}
			while((ptr=strtok(NULL,"]"))!=NULL){
				if(*ptr=='['){
					pa=pb;
					pb=malloc(sizeof(Lrc));
					pa->next=pb;
					pb->time=(*(ptr+1)-'0')*600+(*(ptr+2)-'0')*60+(*(ptr+4)-'0')*10+*(ptr+5)-'0';
					pb->song_lrc=p;
				}
			}
			pa=pb;
		}
	}
	pa->next=NULL;
	return head;
	/**/
}

void open_lrc(char *name){
	FILE *lrcfp;
	Lrc *pa;
	if((lrcfp=fopen(name,"rb"))==NULL){
			printHZ(windowLrc,"不能找到歌词",150,200);
			return ;
		}
		pa=Get_Lrc(windowLrc,lrcfp);
		pa=sort_lrc(pa);
		disp(pa);
		displrc=displrc->next;
}


void *disp_lrc(void *p){

	char buf[100]=".lrc/";
	char buf1[255];
	char buf2[255];
	head_name=readsongname();//读出歌曲名字和歌词名字
	head_lrc=readlrc();
	displrc=head_lrc;
	dispname=head_name;
	fp_lrc=open("./fifo_cmd",O_WRONLY);
	disp_song_name(head_name);//初始化歌曲名字显示
	while(1){
		int fp=open("./fifo_cmd",O_WRONLY);
		write(fp,"get_file_name\n",strlen("get_file_name\n"));
		bzero(buf,sizeof(buf));
		bzero(buf1,sizeof(buf1));
		bzero(buf2,sizeof(buf2));
		strcpy(buf,"./lrc/");
		
		sprintf(buf1,"%s\n",name_temp);
		strcpy(buf2,strtok(buf1,"'"));
		strtok(buf2,".");
		strcat(buf2,".lrc");//转换成歌曲名字
		strcat(buf,buf2);
		open_lrc(buf);
	}
	free(head_name);//释放内存
	free(head_lrc);
}