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mpv/libmpdemux/mp3_hdr.h
nicodvb aa8b3279f9 assign correct tag, dwScale and dwBlockAlign to mpeg audio; optionally assign layer and samples_per_frame when parsing mpa header
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15200 b3059339-0415-0410-9bf9-f77b7e298cf2
2005-04-17 09:42:51 +00:00

12 lines
416 B
C

int mp_get_mp3_header(unsigned char* hbuf,int* chans, int* freq, int* spf, int* mpa_layer);
#define mp_decode_mp3_header(hbuf) mp_get_mp3_header(hbuf,NULL,NULL,NULL,NULL)
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;
}