w3

来源：互联网发布：suse linux yast2 编辑：程序博客网时间：2024/05/17 23:31

int Id3v2Tag::WritePicToMp3(char *picfile)
{
int flag=0;
FILE *oldfp,*newfp,*picfp;
FRAMELIST *pTemp = m_pFrameList;
int picfileLength;
char *newContent = NULL;
int pos;
while(pTemp != NULL)
{
  if(pTemp->frameID == ID3V2_APIC)
  {
   flag = 1;
   break;
  }
  else
   pTemp=pTemp->pNext;
}
picfp = fopen(picfile,"rb");
fseek(picfp,0,SEEK_END);
picfileLength = ftell(picfp);
if(flag == 1)//have apic
{

  char *tmp = pTemp->content;
  tmp[0]=tmp[0]; //encoding
  int len=strlen(tmp+1); //mime type
  char type = tmp[len+2]; //pic type
  pos =len+3;
  do
  {

   if(((unsigned char)tmp[pos] == 0xff) && ((unsigned char)tmp[pos+1] == 0xd8))
    break;
   pos+=1;
   } while (1);
  newContent = (char *)malloc(pos+picfileLength);
  memset(newContent,0,pos+picfileLength);
  memcpy(newContent,tmp,pos);
  free(pTemp->content);

}
else
{
  FRAMELIST *node =(FRAMELIST *) malloc(sizeof(FRAMELIST)) ;
  memset(node,0,sizeof(FRAMELIST));
  node->frameID = ID3V2_APIC;
  strcpy(node->frame.FrameID,"APIC");
  pTemp = m_pFrameList;
  while(pTemp->pNext!=NULL)pTemp=pTemp->pNext;
  pTemp->pNext=node;
  pTemp = pTemp->pNext;
  char *picInfo = (char *)malloc(14);
  memset(picInfo,0,14);
  picInfo[0]=0;

  strcpy(picInfo+1,"image/jpeg");
  picInfo[11]=0;
  picInfo[12]=0;
  picInfo[13]=0;
  pos=14;
  newContent = (char *)malloc(pos+picfileLength);
  memset(newContent,0,pos+picfileLength);
  memcpy(newContent,picInfo,pos);
}