c语言程序设计MP3或MP4文件基本信息的解析 c++程序设计的基本信息
\u600e\u6837\u7528C\u8bed\u8a00\u7f16\u7a0b\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6(\u6bd4\u5982mp3\uff0cmp4)\u3000\u3000\u53ef\u4ee5\u4f7f\u7528PlaySound()\u51fd\u6570\u64ad\u653emp3\u97f3\u9891\uff0c\u8be5\u51fd\u6570\u539f\u578b\u4f4d\u4e8ewindows.h\u3002
\u3000\u3000PlaySound\u51fd\u6570\u7684\u58f0\u660e\u4e3a\uff1a
\u3000\u3000BOOL PlaySound(LPCSTR pszSound, HMODULE hwnd,DWORD fdwSound);
\u3000\u3000\u53c2\u6570pszSound\u662f\u6307\u5b9a\u4e86\u8981\u64ad\u653e\u58f0\u97f3\u7684\u5b57\u7b26\u4e32\u3002
\u3000\u3000\u53c2\u6570hwnd\u662f\u5e94\u7528\u7a0b\u5e8f\u7684\u5b9e\u4f8b\u53e5\u67c4\uff0c\u9664\u975epszSound\u7684\u6307\u5411\u4e00\u4e2a\u8d44\u6e90\u6807\u8bc6\u7b26\uff08\u5373fdwSound\u88ab\u5b9a\u4e49\u4e3aSND_RESOURCE\uff09\uff0c\u5426\u5219\u5fc5\u987b\u8bbe\u7f6e\u4e3aNULL\u3002
\u3000\u3000\u53c2\u6570fdwSound\u662f\u6807\u5fd7\u7684\u7ec4\u5408\uff0c\u5982\u4e0b\u8868\u6240\u793a\u3002\u82e5\u6210\u529f\u5219\u51fd\u6570\u8fd4\u56deTRUE\uff0c\u5426\u5219\u8fd4\u56deFALSE\u3002
\u3000\u3000\u4f7f\u7528PlaySound\u51fd\u6570\u65f6\u9700\u8981\u5728#include\u540e\u9762\u52a0\u4e0a\uff08\u6ce8\u610f\uff1a\u4e0d\u80fd\u52a0\u5728\u524d\u9762\uff09\uff1a
\u3000\u3000\u4f8b\u7a0b\uff1a
\u3000\u3000CFileDialog dlg(TRUE, "mp3", "*.mp3", OFN_HIDEREADONLY|OFN_ALLOWMULTISELECT, "mp3\u6587\u4ef6(*.mp3)|*.mp3|");
\u3000\u3000/*\u521b\u5efa\u9009\u62e9\u5bf9\u8bdd\u6846\uff0c\u8ba9\u7528\u6237\u4ece\u6587\u4ef6\u5939\u4e2d\u9009\u53d6\u4e00\u4e2aMP3\u6587\u4ef6*/
\u3000\u3000int iRet = dlg.DoModal();//\u83b7\u5f97\u5bf9\u8bdd\u6846\u8fd4\u56de\u503c
\u3000\u3000if(IDOK == iRet) //\u5982\u679c\u8fd4\u56de\u503c\u6210\u529f\uff0c\u8868\u660e\u6210\u529f\u83b7\u53d6\u4e00\u4e2aMP3\u6587\u4ef6
\u3000\u3000{
\u3000\u3000CString pathName= dlg.GetPathName(); //\u5f97\u5230\u6587\u4ef6\u7684\u8def\u5f84\u540d\u79f0
\u3000\u3000PlaySound( pathName , NULL, SND_FILENAME | SND_ASYNC);//\u7528playsound\u51fd\u6570\u64ad\u653e\u8be5\u6587\u4ef6
\u3000\u3000}
\u4e66\u3000\u540d\u3000C++\u7a0b\u5e8f\u8bbe\u8ba1\u4e1b \u4e66 \u540d\u300021\u4e16\u7eaa\u9ad8\u7b49\u6559\u80b2\u8ba1\u7b97\u673a\u89c4\u5212\u6559\u6750\u6807\u51c6\u4e66\u53f7\u3000ISBN 978-7-115-30779-8 \u5370\u3000\u5f20\u300019.75\u5b57\u3000\u6570\u3000517 \u5343\u5b57\u88c5\u3000\u5e27\u3000\u5e73\u88c5\u7248\u3000\u6b21\u3000\u7b2c1\u7248\u7b2c1\u6b21\u672c \u5370 \u6b21\u30002013\u5e742\u6708\u9996 \u5370 \u6570\u3000-- \u518c\u5b9a\u3000\u4ef7\u300038.00 \u5143
可参考 http://www.chineselinuxuniversity.net/articles/27374.shtml
拿VC的C语言写了下：
头文件：
#include <stdio.h>
// TODO: reference additional headers your program requires here
#define MP3_ID3_LENGTH 10
typedef struct tag_ID3_INFO
{
} ID3_INFO;
#define IDENTIFY_LEN 3
#define TITLE_LEN 30
#define ARTIST_LEN 30
#define ALBUM_LEN 30
#define YEAR_LEN 4
#define COMMENT_LEN 30
#define GENRE_LEN 1
// IDENTIFY_LEN + TITLE_LEN +...
#define MP3_INFO_LENGTH 128
typedef struct tag_MP3_INFO
{
char Identify[IDENTIFY_LEN + 1]; //TAG三个字母
//这里可以用来鉴别是不是文件信息内容
char Title[TITLE_LEN + 1]; //歌曲名，30个字节
char Artist[ARTIST_LEN + 1]; //歌手名，30个字节
char Album[ARTIST_LEN + 1]; //所属唱片，30个字节
char Year[YEAR_LEN + 1]; //年，4个字节
char Comment[COMMENT_LEN + 1]; //注释，28个字节
char Genre[GENRE_LEN + 1]; //类型 ，1个字节
} MP3_INFO;
C文件：
#include <string.h>
#define MP3_OK 1
#define MP3_ERROR 1
FILE *OpenMp3File(char *pFileName);
int ReadMP3Info(FILE *pFile, MP3_INFO *pstInfo);
int OutputMP3Info(MP3_INFO *pstMp3Info);
int main(int argc, char* argv[])
{
FILE *pFile = NULL;
MP3_INFO stMp3Info = {0};
char *pfname = "E:\\Project\\MP3\\test.MP3";
pFile = OpenMp3File(pfname);
if (NULL == pFile)
{
return MP3_ERROR;
}
ReadMP3Info(pFile, &stMp3Info);
printf("\r\nMP3 file: %s", pfname);
OutputMP3Info(&stMp3Info);
printf("Hello World!\n");
return MP3_OK;
}
FILE *OpenMp3File(char *pFileName)
{
FILE *pFile = NULL;
pFile = fopen(pFileName,"rb");
if (NULL==pFile)
{
printf("open read file error!!");
return NULL;
}
return pFile;
}
int ReadMP3Info(FILE *pFile, MP3_INFO *pstInfo)
{
int len = 0;
if ((NULL == pFile) || (NULL == pstInfo))
{
return MP3_ERROR;
}
fseek(pFile, 0, SEEK_END);
len = ftell(pFile);
if (len <= (MP3_INFO_LENGTH + MP3_ID3_LENGTH))
{
return MP3_ERROR;
}
memset(pstInfo, 0, sizeof(MP3_INFO));
fseek(pFile, -MP3_INFO_LENGTH, SEEK_END);
len = fread((char *)(pstInfo->Identify), 1, IDENTIFY_LEN, pFile);
len += fread((char *)(pstInfo->Title), 1, TITLE_LEN, pFile);
len += fread((char *)(pstInfo->Artist), 1, ARTIST_LEN, pFile);
len += fread((char *)(pstInfo->Album), 1, ALBUM_LEN, pFile);
len += fread((char *)(pstInfo->Year), 1, YEAR_LEN, pFile);
len += fread((char *)(pstInfo->Comment), 1, COMMENT_LEN, pFile);
len += fread((char *)(pstInfo->Genre), 1, GENRE_LEN, pFile);
if (MP3_INFO_LENGTH != len)
{
return MP3_ERROR;
}
return MP3_OK;
}
int OutputMP3Info(MP3_INFO *pstMp3Info)
{
printf("\r\nTag : %s", pstMp3Info->Identify);
printf("\r\nTitle : %s", pstMp3Info->Title);
printf("\r\nArtist : %s", pstMp3Info->Artist);
printf("\r\nAlbum : %s", pstMp3Info->Album);
printf("\r\nYear : %s", pstMp3Info->Year);
printf("\r\nComment: %s", pstMp3Info->Comment);
return MP3_OK;
}
测试：
MP3 file: E:\Project\MP3\test.MP3
Tag : TAG
Title : TrackTitle
Artist : ArtistName
Album : AlbumTitle
Year : 2012
Comment: This is a comment
C文件：
#include <string.h>
#define MP3_OK 1
#define MP3_ERROR 1
FILE *OpenMp3File(char *pFileName);
int ReadMP3Info(FILE *pFile, MP3_INFO *pstInfo);
int OutputMP3Info(MP3_INFO *pstMp3Info);
int main(int argc, char* argv[])
{
FILE *pFile = NULL;
MP3_INFO stMp3Info = {0};
char *pfname = "E:\\Project\\MP3\\test.MP3";
pFile = OpenMp3File(pfname);
if (NULL == pFile)
{
return MP3_ERROR;
}
ReadMP3Info(pFile, &stMp3Info);
printf("\r\nMP3 file: %s", pfname);
OutputMP3Info(&stMp3Info);
printf("Hello World!\n");
return MP3_OK;
}
FILE *OpenMp3File(char *pFileName)
{
FILE *pFile = NULL;
pFile = fopen(pFileName,"rb");
if (NULL==pFile)
{
printf("open read file error!!");
return NULL;
}
return pFile;
}
int ReadMP3Info(FILE *pFile, MP3_INFO *pstInfo)
{
int len = 0;
if ((NULL == pFile) || (NULL == pstInfo))
{
return MP3_ERROR;
}
先把某个mp3文件用 winhex 程序解析出来
然后开始自己慢慢研究，你会有收获的。
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