gstreamer/libs/idct/dct.h
Wim Taymans 001bbb7002 Added general IDCT library. Added IEEE testbed.
Original commit message from CVS:
Added general IDCT library. Added IEEE testbed.
Update to the windows codec loader.
fixes in the riff parser/encoder.
cleanup in the getbits/putbits API.
2000-08-14 10:11:04 +00:00

29 lines
697 B
C

/* define DCT types */
/*
* DCTSIZE underlying (1d) transform size
* DCTSIZE2 DCTSIZE squared
*/
#define DCTSIZE (8)
#define DCTSIZE2 (DCTSIZE*DCTSIZE)
#define EIGHT_BIT_SAMPLES /* needed in jrevdct.c */
typedef short DCTELEM; /* must be at least 16 bits */
typedef DCTELEM DCTBLOCK[DCTSIZE2];
typedef long INT32; /* must be at least 32 bits */
extern void gst_idct_int_idct();
extern void gst_idct_init_fast_int_idct (void);
extern void gst_idct_fast_int_idct (short *block);
extern void gst_idct_mmx_idct (short *block);
extern void gst_idct_mmx32_idct (short *block);
extern void gst_idct_init_float_idct(void);
extern void gst_idct_float_idct (short *block);