diff options
Diffstat (limited to 'media/libjpeg/jfdctfst.c')
| -rw-r--r-- | media/libjpeg/jfdctfst.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/media/libjpeg/jfdctfst.c b/media/libjpeg/jfdctfst.c index 5cd83a7b8e..4c9ce0de8f 100644 --- a/media/libjpeg/jfdctfst.c +++ b/media/libjpeg/jfdctfst.c @@ -79,10 +79,10 @@ */ #if CONST_BITS == 8 -#define FIX_0_382683433 ((JLONG) 98) /* FIX(0.382683433) */ -#define FIX_0_541196100 ((JLONG) 139) /* FIX(0.541196100) */ -#define FIX_0_707106781 ((JLONG) 181) /* FIX(0.707106781) */ -#define FIX_1_306562965 ((JLONG) 334) /* FIX(1.306562965) */ +#define FIX_0_382683433 ((JLONG)98) /* FIX(0.382683433) */ +#define FIX_0_541196100 ((JLONG)139) /* FIX(0.541196100) */ +#define FIX_0_707106781 ((JLONG)181) /* FIX(0.707106781) */ +#define FIX_1_306562965 ((JLONG)334) /* FIX(1.306562965) */ #else #define FIX_0_382683433 FIX(0.382683433) #define FIX_0_541196100 FIX(0.541196100) @@ -98,7 +98,7 @@ #ifndef USE_ACCURATE_ROUNDING #undef DESCALE -#define DESCALE(x,n) RIGHT_SHIFT(x, n) +#define DESCALE(x, n) RIGHT_SHIFT(x, n) #endif @@ -106,7 +106,7 @@ * descale to yield a DCTELEM result. */ -#define MULTIPLY(var,const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS)) +#define MULTIPLY(var, const) ((DCTELEM)DESCALE((var) * (const), CONST_BITS)) /* @@ -114,7 +114,7 @@ */ GLOBAL(void) -jpeg_fdct_ifast (DCTELEM *data) +jpeg_fdct_ifast(DCTELEM *data) { DCTELEM tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; DCTELEM tmp10, tmp11, tmp12, tmp13; @@ -126,7 +126,7 @@ jpeg_fdct_ifast (DCTELEM *data) /* Pass 1: process rows. */ dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { + for (ctr = DCTSIZE - 1; ctr >= 0; ctr--) { tmp0 = dataptr[0] + dataptr[7]; tmp7 = dataptr[0] - dataptr[7]; tmp1 = dataptr[1] + dataptr[6]; @@ -176,15 +176,15 @@ jpeg_fdct_ifast (DCTELEM *data) /* Pass 2: process columns. */ dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; - tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; - tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; - tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; - tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; - tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; - tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; - tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; + for (ctr = DCTSIZE - 1; ctr >= 0; ctr--) { + tmp0 = dataptr[DCTSIZE * 0] + dataptr[DCTSIZE * 7]; + tmp7 = dataptr[DCTSIZE * 0] - dataptr[DCTSIZE * 7]; + tmp1 = dataptr[DCTSIZE * 1] + dataptr[DCTSIZE * 6]; + tmp6 = dataptr[DCTSIZE * 1] - dataptr[DCTSIZE * 6]; + tmp2 = dataptr[DCTSIZE * 2] + dataptr[DCTSIZE * 5]; + tmp5 = dataptr[DCTSIZE * 2] - dataptr[DCTSIZE * 5]; + tmp3 = dataptr[DCTSIZE * 3] + dataptr[DCTSIZE * 4]; + tmp4 = dataptr[DCTSIZE * 3] - dataptr[DCTSIZE * 4]; /* Even part */ @@ -193,12 +193,12 @@ jpeg_fdct_ifast (DCTELEM *data) tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; - dataptr[DCTSIZE*0] = tmp10 + tmp11; /* phase 3 */ - dataptr[DCTSIZE*4] = tmp10 - tmp11; + dataptr[DCTSIZE * 0] = tmp10 + tmp11; /* phase 3 */ + dataptr[DCTSIZE * 4] = tmp10 - tmp11; z1 = MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */ - dataptr[DCTSIZE*2] = tmp13 + z1; /* phase 5 */ - dataptr[DCTSIZE*6] = tmp13 - z1; + dataptr[DCTSIZE * 2] = tmp13 + z1; /* phase 5 */ + dataptr[DCTSIZE * 6] = tmp13 - z1; /* Odd part */ @@ -215,10 +215,10 @@ jpeg_fdct_ifast (DCTELEM *data) z11 = tmp7 + z3; /* phase 5 */ z13 = tmp7 - z3; - dataptr[DCTSIZE*5] = z13 + z2; /* phase 6 */ - dataptr[DCTSIZE*3] = z13 - z2; - dataptr[DCTSIZE*1] = z11 + z4; - dataptr[DCTSIZE*7] = z11 - z4; + dataptr[DCTSIZE * 5] = z13 + z2; /* phase 6 */ + dataptr[DCTSIZE * 3] = z13 - z2; + dataptr[DCTSIZE * 1] = z11 + z4; + dataptr[DCTSIZE * 7] = z11 - z4; dataptr++; /* advance pointer to next column */ } |