fast header checker added

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4711 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-02-14 23:41:00 +00:00
parent 66ebcb8714
commit 360bb11537
1 changed files with 9 additions and 0 deletions

9
libmpdemux/mp3_hdr.h Normal file
View File

@ -0,0 +1,9 @@
int mp_decode_mp3_header(unsigned char* hbuf);
static inline int mp_check_mp3_header(unsigned int head){
if( (head & 0x0000e0ff) != 0x0000e0ff ||
(head & 0x00fc0000) == 0x00fc0000) return 0;
if(mp_decode_mp3_header((unsigned char*)(&head))<=0) return 0;
return 1;
}