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Fixed a bug in the inlined getbits.

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Original commit message from CVS:
Fixed a bug in the inlined getbits.
This commit is contained in:
Wim Taymans 2000-04-16 23:33:13 +00:00
parent 9c022a9c29
commit bf356e3bc5
1 changed files with 10 additions and 9 deletions
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19
libs/getbits/gstgetbits_inl.h
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@ -88,7 +88,7 @@ extern unsigned long gst_getbits_nBitMask[];
#define gst_getbits_newbuf(gb, buffer) \
{ \
(gb)->longptr = (unsigned long *)buffer; \
(gb)->longptr = (unsigned long *)(buffer); \
(gb)->bits = 0; \
(gb)->dword = swab32(*(gb)->longptr); \
}
@ -126,12 +126,12 @@ extern unsigned long gst_getbits_nBitMask[];
(gb)->longptr++, \
((gb)->bits ? ( \
((gb)->dword |= \
(*(gb)->longptr >> (2 - (gb)->bits))) \
(swab32(*(gb)->longptr) >> (2 - (gb)->bits))) \
) \
: 0 \
), \
),( \
((gb)->temp = (((gb)->dword & 0xc0000000) >> 30)), \
((gb)->dword = swab32(*(gb)->longptr) << (gb)->bits) \
((gb)->dword = swab32(*(gb)->longptr) << (gb)->bits)) \
) \
: ( \
((gb)->temp = (((gb)->dword & 0xc0000000) >> 30)), \
@ -144,23 +144,23 @@ extern unsigned long gst_getbits_nBitMask[];
#define gst_getbitsX(gb, num, mask, shift) \
( \
(gb)->bits += num, \
(gb)->bits += (num), \
\
((gb)->bits & 0x20 ? ( \
(gb)->bits -= 32, \
(gb)->longptr++, \
((gb)->bits ? ( \
((gb)->dword |= (swab32(*(gb)->longptr) >> \
(num - (gb)->bits))) \
((num) - (gb)->bits))) \
) \
:0 \
), \
((gb)->temp = (((gb)->dword & mask) >> shift)), \
((gb)->temp = (((gb)->dword & (mask)) >> (shift))), \
((gb)->dword = swab32(*(gb)->longptr) << (gb)->bits) \
) \
: ( \
((gb)->temp = (((gb)->dword & mask) >> shift)), \
((gb)->dword <<= num) \
((gb)->dword <<= (num)) \
) \
), \
debug("getbits%-2d: %04lx %08lx %lu %p\n", num, (gb)->temp, (gb)->dword, mask, (gb)->longptr) \
@ -189,7 +189,7 @@ extern unsigned long gst_getbits_nBitMask[];
#define gst_getbits22(gb) gst_getbitsX(gb, 22, 0xfffffc00UL, 10)
#define gst_getbits32(gb) gst_getbitsX(gb, 32, 0xffffffffUL, 0)
#define gst_getbitsn(gb,num) gst_getbitsX(gb, (num), (num ? ((0xffffffffUL) << (32-num)):0), (32-(num)))
#define gst_getbitsn(gb,num) gst_getbitsX(gb, (num), ((num) ? ((0xffffffffUL) << (32-(num))):0), (32-(num)))
#define gst_showbits32(gb) \
( \
@ -270,6 +270,7 @@ extern unsigned long gst_getbits_nBitMask[];
else { \
(gb)->dword <<= num; \
} \
debug2("flushbits%-2d: %08lx %p\n", num, (gb)->dword, (gb)->longptr); \
}
#define gst_backbits24(gb) \