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-rw-r--r--src/3rdparty/libjpeg/src/jfdctint.c116
1 files changed, 59 insertions, 57 deletions
diff --git a/src/3rdparty/libjpeg/src/jfdctint.c b/src/3rdparty/libjpeg/src/jfdctint.c
index 169bb942ce..c0391a92be 100644
--- a/src/3rdparty/libjpeg/src/jfdctint.c
+++ b/src/3rdparty/libjpeg/src/jfdctint.c
@@ -93,18 +93,18 @@
*/
#if CONST_BITS == 13
-#define FIX_0_298631336 ((JLONG) 2446) /* FIX(0.298631336) */
-#define FIX_0_390180644 ((JLONG) 3196) /* FIX(0.390180644) */
-#define FIX_0_541196100 ((JLONG) 4433) /* FIX(0.541196100) */
-#define FIX_0_765366865 ((JLONG) 6270) /* FIX(0.765366865) */
-#define FIX_0_899976223 ((JLONG) 7373) /* FIX(0.899976223) */
-#define FIX_1_175875602 ((JLONG) 9633) /* FIX(1.175875602) */
-#define FIX_1_501321110 ((JLONG) 12299) /* FIX(1.501321110) */
-#define FIX_1_847759065 ((JLONG) 15137) /* FIX(1.847759065) */
-#define FIX_1_961570560 ((JLONG) 16069) /* FIX(1.961570560) */
-#define FIX_2_053119869 ((JLONG) 16819) /* FIX(2.053119869) */
-#define FIX_2_562915447 ((JLONG) 20995) /* FIX(2.562915447) */
-#define FIX_3_072711026 ((JLONG) 25172) /* FIX(3.072711026) */
+#define FIX_0_298631336 ((JLONG)2446) /* FIX(0.298631336) */
+#define FIX_0_390180644 ((JLONG)3196) /* FIX(0.390180644) */
+#define FIX_0_541196100 ((JLONG)4433) /* FIX(0.541196100) */
+#define FIX_0_765366865 ((JLONG)6270) /* FIX(0.765366865) */
+#define FIX_0_899976223 ((JLONG)7373) /* FIX(0.899976223) */
+#define FIX_1_175875602 ((JLONG)9633) /* FIX(1.175875602) */
+#define FIX_1_501321110 ((JLONG)12299) /* FIX(1.501321110) */
+#define FIX_1_847759065 ((JLONG)15137) /* FIX(1.847759065) */
+#define FIX_1_961570560 ((JLONG)16069) /* FIX(1.961570560) */
+#define FIX_2_053119869 ((JLONG)16819) /* FIX(2.053119869) */
+#define FIX_2_562915447 ((JLONG)20995) /* FIX(2.562915447) */
+#define FIX_3_072711026 ((JLONG)25172) /* FIX(3.072711026) */
#else
#define FIX_0_298631336 FIX(0.298631336)
#define FIX_0_390180644 FIX(0.390180644)
@@ -129,9 +129,9 @@
*/
#if BITS_IN_JSAMPLE == 8
-#define MULTIPLY(var,const) MULTIPLY16C16(var,const)
+#define MULTIPLY(var, const) MULTIPLY16C16(var, const)
#else
-#define MULTIPLY(var,const) ((var) * (const))
+#define MULTIPLY(var, const) ((var) * (const))
#endif
@@ -140,7 +140,7 @@
*/
GLOBAL(void)
-jpeg_fdct_islow (DCTELEM *data)
+jpeg_fdct_islow(DCTELEM *data)
{
JLONG tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
JLONG tmp10, tmp11, tmp12, tmp13;
@@ -154,7 +154,7 @@ jpeg_fdct_islow (DCTELEM *data)
/* furthermore, we scale the results by 2**PASS1_BITS. */
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];
@@ -173,14 +173,14 @@ jpeg_fdct_islow (DCTELEM *data)
tmp11 = tmp1 + tmp2;
tmp12 = tmp1 - tmp2;
- dataptr[0] = (DCTELEM) LEFT_SHIFT(tmp10 + tmp11, PASS1_BITS);
- dataptr[4] = (DCTELEM) LEFT_SHIFT(tmp10 - tmp11, PASS1_BITS);
+ dataptr[0] = (DCTELEM)LEFT_SHIFT(tmp10 + tmp11, PASS1_BITS);
+ dataptr[4] = (DCTELEM)LEFT_SHIFT(tmp10 - tmp11, PASS1_BITS);
z1 = MULTIPLY(tmp12 + tmp13, FIX_0_541196100);
- dataptr[2] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865),
- CONST_BITS-PASS1_BITS);
- dataptr[6] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp12, - FIX_1_847759065),
- CONST_BITS-PASS1_BITS);
+ dataptr[2] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865),
+ CONST_BITS - PASS1_BITS);
+ dataptr[6] = (DCTELEM)DESCALE(z1 + MULTIPLY(tmp12, -FIX_1_847759065),
+ CONST_BITS - PASS1_BITS);
/* Odd part per figure 8 --- note paper omits factor of sqrt(2).
* cK represents cos(K*pi/16).
@@ -197,18 +197,18 @@ jpeg_fdct_islow (DCTELEM *data)
tmp5 = MULTIPLY(tmp5, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */
tmp6 = MULTIPLY(tmp6, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */
tmp7 = MULTIPLY(tmp7, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */
- z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */
- z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
- z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */
- z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */
+ z1 = MULTIPLY(z1, -FIX_0_899976223); /* sqrt(2) * ( c7-c3) */
+ z2 = MULTIPLY(z2, -FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
+ z3 = MULTIPLY(z3, -FIX_1_961570560); /* sqrt(2) * (-c3-c5) */
+ z4 = MULTIPLY(z4, -FIX_0_390180644); /* sqrt(2) * ( c5-c3) */
z3 += z5;
z4 += z5;
- dataptr[7] = (DCTELEM) DESCALE(tmp4 + z1 + z3, CONST_BITS-PASS1_BITS);
- dataptr[5] = (DCTELEM) DESCALE(tmp5 + z2 + z4, CONST_BITS-PASS1_BITS);
- dataptr[3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, CONST_BITS-PASS1_BITS);
- dataptr[1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, CONST_BITS-PASS1_BITS);
+ dataptr[7] = (DCTELEM)DESCALE(tmp4 + z1 + z3, CONST_BITS - PASS1_BITS);
+ dataptr[5] = (DCTELEM)DESCALE(tmp5 + z2 + z4, CONST_BITS - PASS1_BITS);
+ dataptr[3] = (DCTELEM)DESCALE(tmp6 + z2 + z3, CONST_BITS - PASS1_BITS);
+ dataptr[1] = (DCTELEM)DESCALE(tmp7 + z1 + z4, CONST_BITS - PASS1_BITS);
dataptr += DCTSIZE; /* advance pointer to next row */
}
@@ -219,15 +219,15 @@ jpeg_fdct_islow (DCTELEM *data)
*/
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 per LL&M figure 1 --- note that published figure is faulty;
* rotator "sqrt(2)*c1" should be "sqrt(2)*c6".
@@ -238,14 +238,16 @@ jpeg_fdct_islow (DCTELEM *data)
tmp11 = tmp1 + tmp2;
tmp12 = tmp1 - tmp2;
- dataptr[DCTSIZE*0] = (DCTELEM) DESCALE(tmp10 + tmp11, PASS1_BITS);
- dataptr[DCTSIZE*4] = (DCTELEM) DESCALE(tmp10 - tmp11, PASS1_BITS);
+ dataptr[DCTSIZE * 0] = (DCTELEM)DESCALE(tmp10 + tmp11, PASS1_BITS);
+ dataptr[DCTSIZE * 4] = (DCTELEM)DESCALE(tmp10 - tmp11, PASS1_BITS);
z1 = MULTIPLY(tmp12 + tmp13, FIX_0_541196100);
- dataptr[DCTSIZE*2] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865),
- CONST_BITS+PASS1_BITS);
- dataptr[DCTSIZE*6] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp12, - FIX_1_847759065),
- CONST_BITS+PASS1_BITS);
+ dataptr[DCTSIZE * 2] =
+ (DCTELEM)DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865),
+ CONST_BITS + PASS1_BITS);
+ dataptr[DCTSIZE * 6] =
+ (DCTELEM)DESCALE(z1 + MULTIPLY(tmp12, -FIX_1_847759065),
+ CONST_BITS + PASS1_BITS);
/* Odd part per figure 8 --- note paper omits factor of sqrt(2).
* cK represents cos(K*pi/16).
@@ -262,22 +264,22 @@ jpeg_fdct_islow (DCTELEM *data)
tmp5 = MULTIPLY(tmp5, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */
tmp6 = MULTIPLY(tmp6, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */
tmp7 = MULTIPLY(tmp7, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */
- z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */
- z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
- z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */
- z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */
+ z1 = MULTIPLY(z1, -FIX_0_899976223); /* sqrt(2) * ( c7-c3) */
+ z2 = MULTIPLY(z2, -FIX_2_562915447); /* sqrt(2) * (-c1-c3) */
+ z3 = MULTIPLY(z3, -FIX_1_961570560); /* sqrt(2) * (-c3-c5) */
+ z4 = MULTIPLY(z4, -FIX_0_390180644); /* sqrt(2) * ( c5-c3) */
z3 += z5;
z4 += z5;
- dataptr[DCTSIZE*7] = (DCTELEM) DESCALE(tmp4 + z1 + z3,
- CONST_BITS+PASS1_BITS);
- dataptr[DCTSIZE*5] = (DCTELEM) DESCALE(tmp5 + z2 + z4,
- CONST_BITS+PASS1_BITS);
- dataptr[DCTSIZE*3] = (DCTELEM) DESCALE(tmp6 + z2 + z3,
- CONST_BITS+PASS1_BITS);
- dataptr[DCTSIZE*1] = (DCTELEM) DESCALE(tmp7 + z1 + z4,
- CONST_BITS+PASS1_BITS);
+ dataptr[DCTSIZE * 7] = (DCTELEM)DESCALE(tmp4 + z1 + z3,
+ CONST_BITS + PASS1_BITS);
+ dataptr[DCTSIZE * 5] = (DCTELEM)DESCALE(tmp5 + z2 + z4,
+ CONST_BITS + PASS1_BITS);
+ dataptr[DCTSIZE * 3] = (DCTELEM)DESCALE(tmp6 + z2 + z3,
+ CONST_BITS + PASS1_BITS);
+ dataptr[DCTSIZE * 1] = (DCTELEM)DESCALE(tmp7 + z1 + z4,
+ CONST_BITS + PASS1_BITS);
dataptr++; /* advance pointer to next column */
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 18:10:41 +0000