gstreamer/libs/getbits/gstgetbits.h
Erik Walthinsen ae0d5d1889 Massive, massive update of most source files. I went through and cleaned up all the warnings that I could, which inv...
Original commit message from CVS:
Massive, massive update of most source files.  I went through and cleaned
up all the warnings that I could, which involved fixing some of the plugins.

The configure.in script was re-arranged and cleaned up so, and a check for
libtool 1.3.5 was added to autogen.sh.  Added checks for Gtk and GNOME.

Some plugins were removed from the list of things to build for various reasons.

Added GST_DEBUG_FORCE_DISABLE in gstgetbits, since that's time critical and
even an if() from a DEBUG can significantly increase runtimes.
2001-01-02 08:13:34 +00:00

164 lines
5.7 KiB
C

#ifndef __GST_GETBITS_H__
#define __GST_GETBITS_H__
#include <stdio.h>
// getbits is critical, we need to forcibly disable DEBUG
#define GST_DEBUG_FORCE_DISABLE
#include <gst/gst.h>
/* disabled for now */
#undef HAVE_LIBMMX
#ifdef HAVE_LIBMMX
#include <mmx.h>
#endif /* HAVE_LIBMMX */
#ifdef HAVE_LIBSSE
#include <sse.h>
#endif /* HAVE_LIBSSE */
#ifdef WORDS_BIGENDIAN
# define swab32(x) (x)
#else
# if defined (__i386__)
# define swab32(x) __i386_swab32(x)
static inline const unsigned long __i386_swab32(unsigned long x)
{
__asm__("bswap %0" : "=r" (x) : "0" (x));
return x;
}
# else
# define swab32(x)\
((((guint8*)&x)[0] << 24) | (((guint8*)&x)[1] << 16) | \
(((guint8*)&x)[2] << 8) | (((guint8*)&x)[3]))
# endif
#endif
typedef struct _gst_getbits_t gst_getbits_t;
typedef void (*GstGetbitsCallback) (gst_getbits_t *gb, void *data);
/* breaks in structure show alignment on quadword boundaries */
/* FIXME: need to find out how to force GCC to align this to octwords */
struct _gst_getbits_t {
unsigned char *ptr;
unsigned long *longptr;
unsigned char *endptr;
unsigned long length;
long bits;
unsigned long dword;
unsigned long temp;
GstGetbitsCallback callback;
void *data;
unsigned long (*get1bit)(gst_getbits_t *gb, unsigned long bits);
unsigned long (*getbits)(gst_getbits_t *gb, unsigned long bits);
unsigned long (*getbits_fast)(gst_getbits_t *gb, unsigned long bits);
unsigned long (*getbyte)(gst_getbits_t *gb, unsigned long bits);
unsigned long (*show1bit)(gst_getbits_t *gb, unsigned long bits);
unsigned long (*showbits)(gst_getbits_t *gb, unsigned long bits);
void (*flushbits)(gst_getbits_t *gb, unsigned long bits);
void (*backbits)(gst_getbits_t *gb, unsigned long bits);
#ifdef HAVE_LIBMMX
mmx_t qword; /* qword */
#endif /* HAVE_LIBMMX */
#ifdef HAVE_LIBSSE
sse_t oword; /* oword */
#endif /* HAVE_LIBSSE */
};
#ifdef GST_GETBITS_INLINE
#include "gstgetbits_inl.h"
#else
void gst_getbits_init(gst_getbits_t *gb, GstGetbitsCallback callback, void *data);
void gst_getbits_newbuf(gst_getbits_t *gb, unsigned char *buffer, unsigned long len);
#define gst_getbits_bitoffset(gb) \
( \
(-(gb)->bits)&0x7 \
)
#define gst_getbits_align_byte(gb)
#define gst_getbits_bufferpos(gb) ((gb)->ptr)
#define gst_getbits_bytesleft(gb) ((gb)->endptr - (gb)->ptr)
#define gst_getbits_bitsleft(gb) (((gb)->endptr - (gb)->ptr)*8 - ((-(gb)->bits)&0x7))
#define gst_get1bit(gb) (((gb)->get1bit)(gb, 1))
#define gst_getbitsX(gb,bits) (((gb)->getbits)(gb,bits))
#define gst_getbits_fastX(gb,bits) (((gb)->getbits_fast)(gb,bits))
#define gst_show1bit(gb,bits) (((gb)->show1bit)(gb,bits))
#define gst_showbitsX(gb,bits) (((gb)->showbits)(gb,bits))
#define gst_flushbitsX(gb,bits) (((gb)->flushbits)(gb,bits))
#define gst_backbitsX(gb,bits) (((gb)->backbits)(gb,bits))
#define gst_getbyte(gb) (((gb)->getbyte)(gb,8))
#define gst_getbits_fastn(gb,n) gst_getbits_fastX(gb, n)
#define gst_getbitsn(gb,n) gst_getbitsX(gb, n)
#define gst_getbits1(gb) gst_get1bit(gb)
#define gst_getbits2(gb) gst_getbits_fastX(gb, 2)
#define gst_getbits3(gb) gst_getbits_fastX(gb, 3)
#define gst_getbits4(gb) gst_getbits_fastX(gb, 4)
#define gst_getbits5(gb) gst_getbits_fastX(gb, 5)
#define gst_getbits6(gb) gst_getbits_fastX(gb, 6)
#define gst_getbits7(gb) gst_getbits_fastX(gb, 7)
#define gst_getbits8(gb) gst_getbits_fastX(gb, 8)
#define gst_getbits9(gb) gst_getbits_fastX(gb, 9)
#define gst_getbits10(gb) gst_getbitsX(gb, 10)
#define gst_getbits11(gb) gst_getbitsX(gb, 11)
#define gst_getbits12(gb) gst_getbitsX(gb, 12)
#define gst_getbits13(gb) gst_getbitsX(gb, 13)
#define gst_getbits14(gb) gst_getbitsX(gb, 14)
#define gst_getbits15(gb) gst_getbitsX(gb, 15)
#define gst_getbits16(gb) gst_getbitsX(gb, 16)
#define gst_getbits17(gb) gst_getbitsX(gb, 17)
#define gst_getbits18(gb) gst_getbitsX(gb, 18)
#define gst_getbits19(gb) gst_getbitsX(gb, 19)
#define gst_getbits20(gb) gst_getbitsX(gb, 20)
#define gst_getbits21(gb) gst_getbitsX(gb, 21)
#define gst_getbits22(gb) gst_getbitsX(gb, 22)
#define gst_getbits23(gb) gst_getbitsX(gb, 23)
#define gst_showbitsn(gb,n) gst_showbitsX(gb, n)
#define gst_showbits1(gb) gst_show1bit(gb, 1)
#define gst_showbits2(gb) gst_showbitsX(gb, 2)
#define gst_showbits3(gb) gst_showbitsX(gb, 3)
#define gst_showbits4(gb) gst_showbitsX(gb, 4)
#define gst_showbits5(gb) gst_showbitsX(gb, 5)
#define gst_showbits6(gb) gst_showbitsX(gb, 6)
#define gst_showbits7(gb) gst_showbitsX(gb, 7)
#define gst_showbits8(gb) gst_showbitsX(gb, 8)
#define gst_showbits9(gb) gst_showbitsX(gb, 9)
#define gst_showbits10(gb) gst_showbitsX(gb, 10)
#define gst_showbits11(gb) gst_showbitsX(gb, 11)
#define gst_showbits12(gb) gst_showbitsX(gb, 12)
#define gst_showbits13(gb) gst_showbitsX(gb, 13)
#define gst_showbits14(gb) gst_showbitsX(gb, 14)
#define gst_showbits15(gb) gst_showbitsX(gb, 15)
#define gst_showbits16(gb) gst_showbitsX(gb, 16)
#define gst_showbits17(gb) gst_showbitsX(gb, 17)
#define gst_showbits18(gb) gst_showbitsX(gb, 18)
#define gst_showbits19(gb) gst_showbitsX(gb, 19)
#define gst_showbits20(gb) gst_showbitsX(gb, 20)
#define gst_showbits21(gb) gst_showbitsX(gb, 21)
#define gst_showbits22(gb) gst_showbitsX(gb, 22)
#define gst_showbits23(gb) gst_showbitsX(gb, 23)
#define gst_showbits24(gb) gst_showbitsX(gb, 24)
#define gst_showbits32(gb) gst_showbitsX(gb, 32)
#define gst_flushbitsn(gb,n) gst_flushbitsX(gb, n)
#define gst_flushbits32(gb) gst_flushbitsX(gb, 32)
#define gst_backbitsn(gb,n) gst_backbitsX(gb, n)
#define gst_backbits24(gb) gst_backbitsX(gb, 24)
#endif
#endif /* __GST_GETBITS_H__ */