void
p_xvid_debug_write_mp4u_file(guchar *buff, gint32 len)
{
#define LONG_PACK(a,b,c,d) ((long) (((long)(a))<<24) | (((long)(b))<<16) | \
(((long)(c))<<8) |((long)(d)))
#define SWAP(a) ( (((a)&0x000000ff)<<24) | (((a)&0x0000ff00)<<8) | \
(((a)&0x00ff0000)>>8) | (((a)&0xff000000)>>24) )
FILE *fp;
gchar *fname;
struct stat l_stat_buf;
int bigendian;
long totalsize;
fname = "/home/hof/tmpvid/out.mp4u";
totalsize = LONG_PACK('M','P','4','U');
if(*((char *)(&totalsize)) == 'M')
{
bigendian = 1;
}
else
{
bigendian = 0;
}
/* get legth of file */
if (0 != g_stat(fname, &l_stat_buf))
{
long hdr;
hdr = LONG_PACK('M','P','4','U');
/* (file does not exist) create it */
fp = g_fopen(fname, "wb");
hdr = (!bigendian)?SWAP(hdr):hdr;
fwrite(&hdr, sizeof(hdr), 1, fp);
}
else
{
/* (file exists) open append */
fp = g_fopen(fname, "ab");
}
if(fp)
{
long size;
size = len;
size = (!bigendian)?SWAP(size):size;
fwrite(&size, sizeof(size), 1, fp);
fwrite(buff, len, 1, fp);
fclose (fp);
}
} /* end p_xvid_debug_write_mp4u_file */
bool Utility::IsBigEndian()
{
long test = LONG_PACK('M','P','4','U');
char* pTest = (char*)&test;
if(*pTest == 'M')
return true;
else
return false;
}
