| #include "av1/common/daala_tx.h" |
| #include "av1/common/odintrin.h" |
| |
| /* clang-format off */ |
| |
| # define OD_DCT_RSHIFT(_a, _b) OD_UNBIASED_RSHIFT32(_a, _b) |
| |
| /* TODO: Daala DCT overflow checks need to be ported as a later test */ |
| # if defined(OD_DCT_CHECK_OVERFLOW) |
| # else |
| # define OD_DCT_OVERFLOW_CHECK(val, scale, offset, idx) |
| # endif |
| |
| #define OD_FDCT_2(p0, p1) \ |
| /* Embedded 2-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 13573, 16384, 100); \ |
| p0 -= (p1*13573 + 16384) >> 15; \ |
| /* 5793/8192 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(p0, 5793, 4096, 101); \ |
| p1 += (p0*5793 + 4096) >> 13; \ |
| /* 3393/8192 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 3393, 4096, 102); \ |
| p0 -= (p1*3393 + 4096) >> 13; \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_2(p0, p1) \ |
| /* Embedded 2-point orthonormal Type-II iDCT. */ \ |
| do { \ |
| /* 3393/8192 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| p0 += (p1*3393 + 4096) >> 13; \ |
| /* 5793/8192 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| p1 -= (p0*5793 + 4096) >> 13; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| p0 += (p1*13573 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_2_ASYM(p0, p1, p1h) \ |
| /* Embedded 2-point asymmetric Type-II fDCT. */ \ |
| do { \ |
| p0 += p1h; \ |
| p1 = p0 - p1; \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_2_ASYM(p0, p1, p1h) \ |
| /* Embedded 2-point asymmetric Type-II iDCT. */ \ |
| do { \ |
| p1 = p0 - p1; \ |
| p1h = OD_DCT_RSHIFT(p1, 1); \ |
| p0 -= p1h; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_2(p0, p1) \ |
| /* Embedded 2-point orthonormal Type-IV fDST. */ \ |
| do { \ |
| /* 10947/16384 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 10947, 8192, 103); \ |
| p0 -= (p1*10947 + 8192) >> 14; \ |
| /* 473/512 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(p0, 473, 256, 104); \ |
| p1 += (p0*473 + 256) >> 9; \ |
| /* 10947/16384 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 10947, 8192, 105); \ |
| p0 -= (p1*10947 + 8192) >> 14; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_2(p0, p1) \ |
| /* Embedded 2-point orthonormal Type-IV iDST. */ \ |
| do { \ |
| /* 10947/16384 ~= Tan[3*Pi/16]) ~= 0.668178637919299 */ \ |
| p0 += (p1*10947 + 8192) >> 14; \ |
| /* 473/512 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| p1 -= (p0*473 + 256) >> 9; \ |
| /* 10947/16384 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| p0 += (p1*10947 + 8192) >> 14; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_2_ASYM(p0, p1) \ |
| /* Embedded 2-point asymmetric Type-IV fDST. */ \ |
| do { \ |
| /* 11507/16384 ~= 4*Sin[Pi/8] - 2*Tan[Pi/8] ~= 0.702306604714169 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 11507, 8192, 187); \ |
| p0 -= (p1*11507 + 8192) >> 14; \ |
| /* 669/1024 ~= Cos[Pi/8]/Sqrt[2] ~= 0.653281482438188 */ \ |
| OD_DCT_OVERFLOW_CHECK(p0, 669, 512, 188); \ |
| p1 += (p0*669 + 512) >> 10; \ |
| /* 4573/4096 ~= 4*Sin[Pi/8] - Tan[Pi/8] ~= 1.11652016708726 */ \ |
| OD_DCT_OVERFLOW_CHECK(p1, 4573, 2048, 189); \ |
| p0 -= (p1*4573 + 2048) >> 12; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_2_ASYM(p0, p1) \ |
| /* Embedded 2-point asymmetric Type-IV iDST. */ \ |
| do { \ |
| /* 4573/4096 ~= 4*Sin[Pi/8] - Tan[Pi/8] ~= 1.11652016708726 */ \ |
| p0 += (p1*4573 + 2048) >> 12; \ |
| /* 669/1024 ~= Cos[Pi/8]/Sqrt[2] ~= 0.653281482438188 */ \ |
| p1 -= (p0*669 + 512) >> 10; \ |
| /* 11507/16384 ~= 4*Sin[Pi/8] - 2*Tan[Pi/8] ~= 0.702306604714169 */ \ |
| p0 += (p1*11507 + 8192) >> 14; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_4(q0, q2, q1, q3) \ |
| /* Embedded 4-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int q2h; \ |
| int q3h; \ |
| q3 = q0 - q3; \ |
| q3h = OD_DCT_RSHIFT(q3, 1); \ |
| q0 -= q3h; \ |
| q2 += q1; \ |
| q2h = OD_DCT_RSHIFT(q2, 1); \ |
| q1 = q2h - q1; \ |
| OD_FDCT_2_ASYM(q0, q2, q2h); \ |
| OD_FDST_2_ASYM(q3, q1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_4(q0, q2, q1, q3) \ |
| /* Embedded 4-point orthonormal Type-II iDCT. */ \ |
| do { \ |
| int q1h; \ |
| int q3h; \ |
| OD_IDST_2_ASYM(q3, q2); \ |
| OD_IDCT_2_ASYM(q0, q1, q1h); \ |
| q3h = OD_DCT_RSHIFT(q3, 1); \ |
| q0 += q3h; \ |
| q3 = q0 - q3; \ |
| q2 = q1h - q2; \ |
| q1 -= q2; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_4_ASYM(q0, q2, q2h, q1, q3, q3h) \ |
| /* Embedded 4-point asymmetric Type-II fDCT. */ \ |
| do { \ |
| q0 += q3h; \ |
| q3 = q0 - q3; \ |
| q1 = q2h - q1; \ |
| q2 = q1 - q2; \ |
| OD_FDCT_2(q0, q2); \ |
| OD_FDST_2(q3, q1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_4_ASYM(q0, q2, q1, q1h, q3, q3h) \ |
| /* Embedded 4-point asymmetric Type-II iDCT. */ \ |
| do { \ |
| OD_IDST_2(q3, q2); \ |
| OD_IDCT_2(q0, q1); \ |
| q1 = q2 - q1; \ |
| q1h = OD_DCT_RSHIFT(q1, 1); \ |
| q2 = q1h - q2; \ |
| q3 = q0 - q3; \ |
| q3h = OD_DCT_RSHIFT(q3, 1); \ |
| q0 -= q3h; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_4(q0, q2, q1, q3) \ |
| /* Embedded 4-point orthonormal Type-IV fDST. */ \ |
| do { \ |
| int q0h; \ |
| int q1h; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(q1, 13573, 16384, 190); \ |
| q2 += (q1*13573 + 16384) >> 15; \ |
| /* 5793/8192 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(q2, 5793, 4096, 191); \ |
| q1 -= (q2*5793 + 4096) >> 13; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(q1, 3393, 4096, 192); \ |
| q2 += (q1*3393 + 4096) >> 13; \ |
| q0 += q2; \ |
| q0h = OD_DCT_RSHIFT(q0, 1); \ |
| q2 = q0h - q2; \ |
| q1 += q3; \ |
| q1h = OD_DCT_RSHIFT(q1, 1); \ |
| q3 -= q1h; \ |
| /* 537/1024 ~= (1/Sqrt[2] - Cos[3*Pi/16]/2)/Sin[3*Pi/16] ~= |
| 0.524455699240090 */ \ |
| OD_DCT_OVERFLOW_CHECK(q1, 537, 512, 193); \ |
| q2 -= (q1*537 + 512) >> 10; \ |
| /* 1609/2048 ~= Sqrt[2]*Sin[3*Pi/16] ~= 0.785694958387102 */ \ |
| OD_DCT_OVERFLOW_CHECK(q2, 1609, 1024, 194); \ |
| q1 += (q2*1609 + 1024) >> 11; \ |
| /* 7335/32768 ~= (1/Sqrt[2] - Cos[3*Pi/16])/Sin[3*Pi/16] ~= |
| 0.223847182092655 */ \ |
| OD_DCT_OVERFLOW_CHECK(q1, 7335, 16384, 195); \ |
| q2 += (q1*7335 + 16384) >> 15; \ |
| /* 5091/8192 ~= (1/Sqrt[2] - Cos[7*Pi/16]/2)/Sin[7*Pi/16] ~= |
| 0.6215036383171189 */ \ |
| OD_DCT_OVERFLOW_CHECK(q0, 5091, 4096, 196); \ |
| q3 += (q0*5091 + 4096) >> 13; \ |
| /* 5681/4096 ~= Sqrt[2]*Sin[7*Pi/16] ~= 1.38703984532215 */ \ |
| OD_DCT_OVERFLOW_CHECK(q3, 5681, 2048, 197); \ |
| q0 -= (q3*5681 + 2048) >> 12; \ |
| /* 4277/8192 ~= (1/Sqrt[2] - Cos[7*Pi/16])/Sin[7*Pi/16] ~= |
| 0.52204745462729 */ \ |
| OD_DCT_OVERFLOW_CHECK(q0, 4277, 4096, 198); \ |
| q3 += (q0*4277 + 4096) >> 13; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_4(q0, q2, q1, q3) \ |
| /* Embedded 4-point orthonormal Type-IV iDST. */ \ |
| do { \ |
| int q0h; \ |
| int q2h; \ |
| /* 4277/8192 ~= (1/Sqrt[2] - Cos[7*Pi/16])/Sin[7*Pi/16] ~= |
| 0.52204745462729 */ \ |
| q3 -= (q0*4277 + 4096) >> 13; \ |
| /* 5681/4096 ~= Sqrt[2]*Sin[7*Pi/16] ~= 1.38703984532215 */ \ |
| q0 += (q3*5681 + 2048) >> 12; \ |
| /* 5091/8192 ~= (1/Sqrt[2] - Cos[7*Pi/16]/2)/Sin[7*Pi/16] ~= |
| 0.6215036383171189 */ \ |
| q3 -= (q0*5091 + 4096) >> 13; \ |
| /* 7335/32768 ~= (1/Sqrt[2] - Cos[3*Pi/16])/Sin[3*Pi/16] ~= |
| 0.223847182092655 */ \ |
| q1 -= (q2*7335 + 16384) >> 15; \ |
| /* 1609/2048 ~= Sqrt[2]*Sin[3*Pi/16] ~= 0.785694958387102 */ \ |
| q2 -= (q1*1609 + 1024) >> 11; \ |
| /* 537/1024 ~= (1/Sqrt[2] - Cos[3*Pi/16]/2)/Sin[3*Pi/16] ~= |
| 0.524455699240090 */ \ |
| q1 += (q2*537 + 512) >> 10; \ |
| q2h = OD_DCT_RSHIFT(q2, 1); \ |
| q3 += q2h; \ |
| q2 -= q3; \ |
| q0h = OD_DCT_RSHIFT(q0, 1); \ |
| q1 = q0h - q1; \ |
| q0 -= q1; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| q1 -= (q2*3393 + 4096) >> 13; \ |
| /* 5793/8192 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| q2 += (q1*5793 + 4096) >> 13; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| q1 -= (q2*13573 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_4_ASYM(t0, t0h, t2, t1, t3) \ |
| /* Embedded 4-point asymmetric Type-IV fDST. */ \ |
| do { \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 7489, 4096, 106); \ |
| t2 -= (t1*7489 + 4096) >> 13; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 11585, 8192, 107); \ |
| t1 += (t2*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 19195, 16384, 108); \ |
| t2 += (t1*19195 + 16384) >> 15; \ |
| t3 += OD_DCT_RSHIFT(t2, 1); \ |
| t2 -= t3; \ |
| t1 = t0h - t1; \ |
| t0 -= t1; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 6723, 4096, 109); \ |
| t3 += (t0*6723 + 4096) >> 13; \ |
| /* 8035/8192 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 8035, 4096, 110); \ |
| t0 -= (t3*8035 + 4096) >> 13; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 6723, 4096, 111); \ |
| t3 += (t0*6723 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 8757, 8192, 112); \ |
| t2 += (t1*8757 + 8192) >> 14; \ |
| /* 6811/8192 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 6811, 4096, 113); \ |
| t1 -= (t2*6811 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 8757, 8192, 114); \ |
| t2 += (t1*8757 + 8192) >> 14; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_4_ASYM(t0, t0h, t2, t1, t3) \ |
| /* Embedded 4-point asymmetric Type-IV iDST. */ \ |
| do { \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| t1 -= (t2*8757 + 8192) >> 14; \ |
| /* 6811/8192 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| t2 += (t1*6811 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| t1 -= (t2*8757 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| t3 -= (t0*6723 + 4096) >> 13; \ |
| /* 8035/8192 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| t0 += (t3*8035 + 4096) >> 13; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| t3 -= (t0*6723 + 4096) >> 13; \ |
| t0 += t2; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t2 = t0h - t2; \ |
| t1 += t3; \ |
| t3 -= OD_DCT_RSHIFT(t1, 1); \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| t1 -= (t2*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| t2 -= (t1*11585 + 8192) >> 14; \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| t1 += (t2*7489 + 4096) >> 13; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_8(r0, r4, r2, r6, r1, r5, r3, r7) \ |
| /* Embedded 8-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int r4h; \ |
| int r5h; \ |
| int r6h; \ |
| int r7h; \ |
| r7 = r0 - r7; \ |
| r7h = OD_DCT_RSHIFT(r7, 1); \ |
| r0 -= r7h; \ |
| r6 += r1; \ |
| r6h = OD_DCT_RSHIFT(r6, 1); \ |
| r1 = r6h - r1; \ |
| r5 = r2 - r5; \ |
| r5h = OD_DCT_RSHIFT(r5, 1); \ |
| r2 -= r5h; \ |
| r4 += r3; \ |
| r4h = OD_DCT_RSHIFT(r4, 1); \ |
| r3 = r4h - r3; \ |
| OD_FDCT_4_ASYM(r0, r4, r4h, r2, r6, r6h); \ |
| OD_FDST_4_ASYM(r7, r7h, r3, r5, r1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_8(r0, r4, r2, r6, r1, r5, r3, r7) \ |
| /* Embedded 8-point orthonormal Type-II iDCT. */ \ |
| do { \ |
| int r1h; \ |
| int r3h; \ |
| int r5h; \ |
| int r7h; \ |
| OD_IDST_4_ASYM(r7, r7h, r5, r6, r4); \ |
| OD_IDCT_4_ASYM(r0, r2, r1, r1h, r3, r3h); \ |
| r0 += r7h; \ |
| r7 = r0 - r7; \ |
| r6 = r1h - r6; \ |
| r1 -= r6; \ |
| r5h = OD_DCT_RSHIFT(r5, 1); \ |
| r2 += r5h; \ |
| r5 = r2 - r5; \ |
| r4 = r3h - r4; \ |
| r3 -= r4; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_8_ASYM(r0, r4, r4h, r2, r6, r6h, r1, r5, r5h, r3, r7, r7h) \ |
| /* Embedded 8-point asymmetric Type-II fDCT. */ \ |
| do { \ |
| r0 += r7h; \ |
| r7 = r0 - r7; \ |
| r1 = r6h - r1; \ |
| r6 -= r1; \ |
| r2 += r5h; \ |
| r5 = r2 - r5; \ |
| r3 = r4h - r3; \ |
| r4 -= r3; \ |
| OD_FDCT_4(r0, r4, r2, r6); \ |
| OD_FDST_4(r7, r3, r5, r1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_8_ASYM(r0, r4, r2, r6, r1, r1h, r5, r5h, r3, r3h, r7, r7h) \ |
| /* Embedded 8-point asymmetric Type-II iDCT. */ \ |
| do { \ |
| OD_IDST_4(r7, r5, r6, r4); \ |
| OD_IDCT_4(r0, r2, r1, r3); \ |
| r7 = r0 - r7; \ |
| r7h = OD_DCT_RSHIFT(r7, 1); \ |
| r0 -= r7h; \ |
| r1 += r6; \ |
| r1h = OD_DCT_RSHIFT(r1, 1); \ |
| r6 = r1h - r6; \ |
| r5 = r2 - r5; \ |
| r5h = OD_DCT_RSHIFT(r5, 1); \ |
| r2 -= r5h; \ |
| r3 += r4; \ |
| r3h = OD_DCT_RSHIFT(r3, 1); \ |
| r4 = r3h - r4; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_8(t0, t4, t2, t6, t1, t5, t3, t7) \ |
| /* Embedded 8-point orthonormal Type-IV fDST. */ \ |
| do { \ |
| int t0h; \ |
| int t2h; \ |
| int t5h; \ |
| int t7h; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 13573, 16384, 115); \ |
| t6 -= (t1*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 11585, 8192, 116); \ |
| t1 += (t6*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 13573, 16384, 117); \ |
| t6 -= (t1*13573 + 16384) >> 15; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 21895, 16384, 118); \ |
| t5 -= (t2*21895 + 16384) >> 15; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 15137, 8192, 119); \ |
| t2 += (t5*15137 + 8192) >> 14; \ |
| /* 10947/16384 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 10947, 8192, 120); \ |
| t5 -= (t2*10947 + 8192) >> 14; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 3259, 8192, 121); \ |
| t4 -= (t3*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 3135, 4096, 122); \ |
| t3 += (t4*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 3259, 8192, 123); \ |
| t4 -= (t3*3259 + 8192) >> 14; \ |
| t7 += t1; \ |
| t7h = OD_DCT_RSHIFT(t7, 1); \ |
| t1 -= t7h; \ |
| t2 = t3 - t2; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| t3 -= t2h; \ |
| t0 -= t6; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t6 += t0h; \ |
| t5 = t4 - t5; \ |
| t5h = OD_DCT_RSHIFT(t5, 1); \ |
| t4 -= t5h; \ |
| t1 += t5h; \ |
| t5 = t1 - t5; \ |
| t4 += t0h; \ |
| t0 -= t4; \ |
| t6 -= t2h; \ |
| t2 += t6; \ |
| t3 -= t7h; \ |
| t7 += t3; \ |
| /* TODO: Can we move this into another operation */ \ |
| t7 = -t7; \ |
| /* 7425/8192 ~= Tan[15*Pi/64] ~= 0.906347169019147 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 7425, 4096, 124); \ |
| t0 -= (t7*7425 + 4096) >> 13; \ |
| /* 8153/8192 ~= Sin[15*Pi/32] ~= 0.995184726672197 */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 8153, 4096, 125); \ |
| t7 += (t0*8153 + 4096) >> 13; \ |
| /* 7425/8192 ~= Tan[15*Pi/64] ~= 0.906347169019147 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 7425, 4096, 126); \ |
| t0 -= (t7*7425 + 4096) >> 13; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.148335987538347 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 4861, 16384, 127); \ |
| t6 -= (t1*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.290284677254462 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 1189, 2048, 128); \ |
| t1 += (t6*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.148335987538347 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 4861, 16384, 129); \ |
| t6 -= (t1*4861 + 16384) >> 15; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.599376933681924 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 2455, 2048, 130); \ |
| t2 -= (t5*2455 + 2048) >> 12; \ |
| /* 7225/8192 ~= Sin[11*Pi/32] ~= 0.881921264348355 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 7225, 4096, 131); \ |
| t5 += (t2*7225 + 4096) >> 13; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.599376933681924 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 2455, 2048, 132); \ |
| t2 -= (t5*2455 + 2048) >> 12; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.357805721314524 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 11725, 16384, 133); \ |
| t4 -= (t3*11725 + 16384) >> 15; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.634393284163645 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 5197, 4096, 134); \ |
| t3 += (t4*5197 + 4096) >> 13; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.357805721314524 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 11725, 16384, 135); \ |
| t4 -= (t3*11725 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_8(t0, t4, t2, t6, t1, t5, t3, t7) \ |
| /* Embedded 8-point orthonormal Type-IV iDST. */ \ |
| do { \ |
| int t0h; \ |
| int t2h; \ |
| int t5h_; \ |
| int t7h_; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.357805721314524 */ \ |
| t1 += (t6*11725 + 16384) >> 15; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.634393284163645 */ \ |
| t6 -= (t1*5197 + 4096) >> 13; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.357805721314524 */ \ |
| t1 += (t6*11725 + 16384) >> 15; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.599376933681924 */ \ |
| t2 += (t5*2455 + 2048) >> 12; \ |
| /* 7225/8192 ~= Sin[11*Pi/32] ~= 0.881921264348355 */ \ |
| t5 -= (t2*7225 + 4096) >> 13; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.599376933681924 */ \ |
| t2 += (t5*2455 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.148335987538347 */ \ |
| t3 += (t4*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.290284677254462 */ \ |
| t4 -= (t3*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.148335987538347 */ \ |
| t3 += (t4*4861 + 16384) >> 15; \ |
| /* 7425/8192 ~= Tan[15*Pi/64] ~= 0.906347169019147 */ \ |
| t0 += (t7*7425 + 4096) >> 13; \ |
| /* 8153/8192 ~= Sin[15*Pi/32] ~= 0.995184726672197 */ \ |
| t7 -= (t0*8153 + 4096) >> 13; \ |
| /* 7425/8192 ~= Tan[15*Pi/64] ~= 0.906347169019147 */ \ |
| t0 += (t7*7425 + 4096) >> 13; \ |
| /* TODO: Can we move this into another operation */ \ |
| t7 = -t7; \ |
| t7 -= t6; \ |
| t7h_ = OD_DCT_RSHIFT(t7, 1); \ |
| t6 += t7h_; \ |
| t2 -= t3; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| t3 += t2h; \ |
| t0 += t1; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t1 -= t0h; \ |
| t5 = t4 - t5; \ |
| t5h_ = OD_DCT_RSHIFT(t5, 1); \ |
| t4 -= t5h_; \ |
| t1 += t5h_; \ |
| t5 = t1 - t5; \ |
| t3 -= t0h; \ |
| t0 += t3; \ |
| t6 += t2h; \ |
| t2 = t6 - t2; \ |
| t4 += t7h_; \ |
| t7 -= t4; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| t1 += (t6*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| t6 -= (t1*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| t1 += (t6*3259 + 8192) >> 14; \ |
| /* 10947/16384 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| t5 += (t2*10947 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t2 -= (t5*15137 + 8192) >> 14; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| t5 += (t2*21895 + 16384) >> 15; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| t3 += (t4*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| t4 -= (t3*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| t3 += (t4*13573 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| /* Rewrite this so that t0h can be passed in. */ |
| #define OD_FDST_8_ASYM(t0, t4, t2, t6, t1, t5, t3, t7) \ |
| /* Embedded 8-point asymmetric Type-IV fDST. */ \ |
| do { \ |
| int t0h; \ |
| int t2h; \ |
| int t5h; \ |
| int t7h; \ |
| /* 1035/2048 ~= (Sqrt[2] - Cos[7*Pi/32])/(2*Sin[7*Pi/32]) */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 1035, 1024, 199); \ |
| t6 += (t1*1035 + 1024) >> 11; \ |
| /* 3675/4096 ~= Sqrt[2]*Sin[7*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 3675, 2048, 200); \ |
| t1 -= (t6*3675 + 2048) >> 12; \ |
| /* 851/8192 ~= (Cos[7*Pi/32] - 1/Sqrt[2])/Sin[7*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 851, 4096, 201); \ |
| t6 -= (t1*851 + 4096) >> 13; \ |
| /* 4379/8192 ~= (Sqrt[2] - Sin[5*Pi/32])/(2*Cos[5*Pi/32]) */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 4379, 4096, 202); \ |
| t5 += (t2*4379 + 4096) >> 13; \ |
| /* 10217/8192 ~= Sqrt[2]*Cos[5*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 10217, 4096, 203); \ |
| t2 -= (t5*10217 + 4096) >> 13; \ |
| /* 4379/16384 ~= (1/Sqrt[2] - Sin[5*Pi/32])/Cos[5*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 4379, 8192, 204); \ |
| t5 += (t2*4379 + 8192) >> 14; \ |
| /* 12905/16384 ~= (Sqrt[2] - Cos[3*Pi/32])/(2*Sin[3*Pi/32]) */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 12905, 8192, 205); \ |
| t4 += (t3*12905 + 8192) >> 14; \ |
| /* 3363/8192 ~= Sqrt[2]*Sin[3*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 3363, 4096, 206); \ |
| t3 -= (t4*3363 + 4096) >> 13; \ |
| /* 3525/4096 ~= (Cos[3*Pi/32] - 1/Sqrt[2])/Sin[3*Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 3525, 2048, 207); \ |
| t4 -= (t3*3525 + 2048) >> 12; \ |
| /* 5417/8192 ~= (Sqrt[2] - Sin[Pi/32])/(2*Cos[Pi/32]) */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 5417, 4096, 208); \ |
| t7 += (t0*5417 + 4096) >> 13; \ |
| /* 5765/4096 ~= Sqrt[2]*Cos[Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 5765, 2048, 209); \ |
| t0 -= (t7*5765 + 2048) >> 12; \ |
| /* 2507/4096 ~= (1/Sqrt[2] - Sin[Pi/32])/Cos[Pi/32] */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 2507, 2048, 210); \ |
| t7 += (t0*2507 + 2048) >> 12; \ |
| t0 += t1; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t1 -= t0h; \ |
| t2 -= t3; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| t3 += t2h; \ |
| t5 -= t4; \ |
| t5h = OD_DCT_RSHIFT(t5, 1); \ |
| t4 += t5h; \ |
| t7 += t6; \ |
| t7h = OD_DCT_RSHIFT(t7, 1); \ |
| t6 = t7h - t6; \ |
| t4 = t7h - t4; \ |
| t7 -= t4; \ |
| t1 += t5h; \ |
| t5 = t1 - t5; \ |
| t6 += t2h; \ |
| t2 = t6 - t2; \ |
| t3 -= t0h; \ |
| t0 += t3; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 3259, 8192, 211); \ |
| t1 += (t6*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 3135, 4096, 212); \ |
| t6 -= (t1*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 3259, 8192, 213); \ |
| t1 += (t6*3259 + 8192) >> 14; \ |
| /* 2737/4096 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 2737, 2048, 214); \ |
| t5 += (t2*2737 + 2048) >> 12; \ |
| /* 473/512 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 473, 256, 215); \ |
| t2 -= (t5*473 + 256) >> 9; \ |
| /* 2737/4096 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 2737, 2048, 216); \ |
| t5 += (t2*2737 + 2048) >> 12; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 3393, 4096, 217); \ |
| t3 += (t4*3393 + 4096) >> 13; \ |
| /* 5793/8192 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 5793, 4096, 218); \ |
| t4 -= (t3*5793 + 4096) >> 13; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 3393, 4096, 219); \ |
| t3 += (t4*3393 + 4096) >> 13; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_8_ASYM(t0, t4, t2, t6, t1, t5, t3, t7) \ |
| /* Embedded 8-point asymmetric Type-IV iDST. */ \ |
| do { \ |
| int t0h; \ |
| int t2h; \ |
| int t5h__; \ |
| int t7h__; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| t6 -= (t1*3393 + 4096) >> 13; \ |
| /* 5793/8192 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| t1 += (t6*5793 + 4096) >> 13; \ |
| /* 3393/8192 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| t6 -= (t1*3393 + 4096) >> 13; \ |
| /* 2737/4096 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| t5 -= (t2*2737 + 2048) >> 12; \ |
| /* 473/512 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t2 += (t5*473 + 256) >> 9; \ |
| /* 2737/4096 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| t5 -= (t2*2737 + 2048) >> 12; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| t4 -= (t3*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| t3 += (t4*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| t4 -= (t3*3259 + 8192) >> 14; \ |
| t0 -= t6; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t6 += t0h; \ |
| t2 = t3 - t2; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| t3 -= t2h; \ |
| t5 = t4 - t5; \ |
| t5h__ = OD_DCT_RSHIFT(t5, 1); \ |
| t4 -= t5h__; \ |
| t7 += t1; \ |
| t7h__ = OD_DCT_RSHIFT(t7, 1); \ |
| t1 = t7h__ - t1; \ |
| t3 = t7h__ - t3; \ |
| t7 -= t3; \ |
| t1 -= t5h__; \ |
| t5 += t1; \ |
| t6 -= t2h; \ |
| t2 += t6; \ |
| t4 += t0h; \ |
| t0 -= t4; \ |
| /* 2507/4096 ~= (1/Sqrt[2] - Sin[Pi/32])/Cos[Pi/32] */ \ |
| t7 -= (t0*2507 + 2048) >> 12; \ |
| /* 5765/4096 ~= Sqrt[2]*Cos[Pi/32] */ \ |
| t0 += (t7*5765 + 2048) >> 12; \ |
| /* 5417/8192 ~= (Sqrt[2] - Sin[Pi/32])/(2*Cos[Pi/32]) */ \ |
| t7 -= (t0*5417 + 4096) >> 13; \ |
| /* 3525/4096 ~= (Cos[3*Pi/32] - 1/Sqrt[2])/Sin[3*Pi/32] */ \ |
| t1 += (t6*3525 + 2048) >> 12; \ |
| /* 3363/8192 ~= Sqrt[2]*Sin[3*Pi/32] */ \ |
| t6 += (t1*3363 + 4096) >> 13; \ |
| /* 12905/16384 ~= (1/Sqrt[2] - Cos[3*Pi/32]/1)/Sin[3*Pi/32] */ \ |
| t1 -= (t6*12905 + 8192) >> 14; \ |
| /* 4379/16384 ~= (1/Sqrt[2] - Sin[5*Pi/32])/Cos[5*Pi/32] */ \ |
| t5 -= (t2*4379 + 8192) >> 14; \ |
| /* 10217/8192 ~= Sqrt[2]*Cos[5*Pi/32] */ \ |
| t2 += (t5*10217 + 4096) >> 13; \ |
| /* 4379/8192 ~= (Sqrt[2] - Sin[5*Pi/32])/(2*Cos[5*Pi/32]) */ \ |
| t5 -= (t2*4379 + 4096) >> 13; \ |
| /* 851/8192 ~= (Cos[7*Pi/32] - 1/Sqrt[2])/Sin[7*Pi/32] */ \ |
| t3 += (t4*851 + 4096) >> 13; \ |
| /* 3675/4096 ~= Sqrt[2]*Sin[7*Pi/32] */ \ |
| t4 += (t3*3675 + 2048) >> 12; \ |
| /* 1035/2048 ~= (Sqrt[2] - Cos[7*Pi/32])/(2*Sin[7*Pi/32]) */ \ |
| t3 -= (t4*1035 + 1024) >> 11; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_16(s0, s8, s4, sc, s2, sa, s6, se, \ |
| s1, s9, s5, sd, s3, sb, s7, sf) \ |
| /* Embedded 16-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int s8h; \ |
| int sah; \ |
| int sch; \ |
| int seh; \ |
| int sfh; \ |
| sf = s0 - sf; \ |
| sfh = OD_DCT_RSHIFT(sf, 1); \ |
| s0 -= sfh; \ |
| se += s1; \ |
| seh = OD_DCT_RSHIFT(se, 1); \ |
| s1 = seh - s1; \ |
| sd = s2 - sd; \ |
| s2 -= OD_DCT_RSHIFT(sd, 1); \ |
| sc += s3; \ |
| sch = OD_DCT_RSHIFT(sc, 1); \ |
| s3 = sch - s3; \ |
| sb = s4 - sb; \ |
| s4 -= OD_DCT_RSHIFT(sb, 1); \ |
| sa += s5; \ |
| sah = OD_DCT_RSHIFT(sa, 1); \ |
| s5 = sah - s5; \ |
| s9 = s6 - s9; \ |
| s6 -= OD_DCT_RSHIFT(s9, 1); \ |
| s8 += s7; \ |
| s8h = OD_DCT_RSHIFT(s8, 1); \ |
| s7 = s8h - s7; \ |
| OD_FDCT_8_ASYM(s0, s8, s8h, s4, sc, sch, s2, sa, sah, s6, se, seh); \ |
| OD_FDST_8_ASYM(sf, s7, sb, s3, sd, s5, s9, s1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_16(s0, s8, s4, sc, s2, sa, s6, se, \ |
| s1, s9, s5, sd, s3, sb, s7, sf) \ |
| /* Embedded 16-point orthonormal Type-II iDCT. */ \ |
| do { \ |
| int s1h; \ |
| int s3h; \ |
| int s5h; \ |
| int s7h; \ |
| int sfh; \ |
| OD_IDST_8_ASYM(sf, sb, sd, s9, se, sa, sc, s8); \ |
| OD_IDCT_8_ASYM(s0, s4, s2, s6, s1, s1h, s5, s5h, s3, s3h, s7, s7h); \ |
| sfh = OD_DCT_RSHIFT(sf, 1); \ |
| s0 += sfh; \ |
| sf = s0 - sf; \ |
| se = s1h - se; \ |
| s1 -= se; \ |
| s2 += OD_DCT_RSHIFT(sd, 1); \ |
| sd = s2 - sd; \ |
| sc = s3h - sc; \ |
| s3 -= sc; \ |
| s4 += OD_DCT_RSHIFT(sb, 1); \ |
| sb = s4 - sb; \ |
| sa = s5h - sa; \ |
| s5 -= sa; \ |
| s6 += OD_DCT_RSHIFT(s9, 1); \ |
| s9 = s6 - s9; \ |
| s8 = s7h - s8; \ |
| s7 -= s8; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_16_ASYM(t0, t8, t8h, t4, tc, tch, t2, ta, tah, t6, te, teh, \ |
| t1, t9, t9h, t5, td, tdh, t3, tb, tbh, t7, tf, tfh) \ |
| /* Embedded 16-point asymmetric Type-II fDCT. */ \ |
| do { \ |
| t0 += tfh; \ |
| tf = t0 - tf; \ |
| t1 -= teh; \ |
| te += t1; \ |
| t2 += tdh; \ |
| td = t2 - td; \ |
| t3 -= tch; \ |
| tc += t3; \ |
| t4 += tbh; \ |
| tb = t4 - tb; \ |
| t5 -= tah; \ |
| ta += t5; \ |
| t6 += t9h; \ |
| t9 = t6 - t9; \ |
| t7 -= t8h; \ |
| t8 += t7; \ |
| OD_FDCT_8(t0, t8, t4, tc, t2, ta, t6, te); \ |
| OD_FDST_8(tf, t7, tb, t3, td, t5, t9, t1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_16_ASYM(t0, t8, t4, tc, t2, ta, t6, te, \ |
| t1, t1h, t9, t9h, t5, t5h, td, tdh, t3, t3h, tb, tbh, t7, t7h, tf, tfh) \ |
| /* Embedded 16-point asymmetric Type-II iDCT. */ \ |
| do { \ |
| OD_IDST_8(tf, tb, td, t9, te, ta, tc, t8); \ |
| OD_IDCT_8(t0, t4, t2, t6, t1, t5, t3, t7); \ |
| t1 -= te; \ |
| t1h = OD_DCT_RSHIFT(t1, 1); \ |
| te += t1h; \ |
| t9 = t6 - t9; \ |
| t9h = OD_DCT_RSHIFT(t9, 1); \ |
| t6 -= t9h; \ |
| t5 -= ta; \ |
| t5h = OD_DCT_RSHIFT(t5, 1); \ |
| ta += t5h; \ |
| td = t2 - td; \ |
| tdh = OD_DCT_RSHIFT(td, 1); \ |
| t2 -= tdh; \ |
| t3 -= tc; \ |
| t3h = OD_DCT_RSHIFT(t3, 1); \ |
| tc += t3h; \ |
| tb = t4 - tb; \ |
| tbh = OD_DCT_RSHIFT(tb, 1); \ |
| t4 -= tbh; \ |
| t7 -= t8; \ |
| t7h = OD_DCT_RSHIFT(t7, 1); \ |
| t8 += t7h; \ |
| tf = t0 - tf; \ |
| tfh = OD_DCT_RSHIFT(tf, 1); \ |
| t0 -= tfh; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_16(s0, s8, s4, sc, s2, sa, s6, se, \ |
| s1, s9, s5, sd, s3, sb, s7, sf) \ |
| /* Embedded 16-point orthonormal Type-IV fDST. */ \ |
| do { \ |
| int s0h; \ |
| int s2h; \ |
| int sdh; \ |
| int sfh; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 13573, 16384, 220); \ |
| s1 += (se*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(s1, 11585, 8192, 221); \ |
| se -= (s1*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 13573, 16384, 222); \ |
| s1 += (se*13573 + 16384) >> 15; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(s2, 21895, 16384, 223); \ |
| sd += (s2*21895 + 16384) >> 15; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(sd, 15137, 16384, 224); \ |
| s2 -= (sd*15137 + 8192) >> 14; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| OD_DCT_OVERFLOW_CHECK(s2, 21895, 16384, 225); \ |
| sd += (s2*21895 + 16384) >> 15; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 3259, 8192, 226); \ |
| sc += (s3*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| OD_DCT_OVERFLOW_CHECK(sc, 3135, 4096, 227); \ |
| s3 -= (sc*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 3259, 8192, 228); \ |
| sc += (s3*3259 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 13573, 16384, 229); \ |
| sa += (s5*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(sa, 11585, 8192, 230); \ |
| s5 -= (sa*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[Pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 13573, 16384, 231); \ |
| sa += (s5*13573 + 16384) >> 15; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 13573, 16384, 232); \ |
| s6 += (s9*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| OD_DCT_OVERFLOW_CHECK(s6, 11585, 8192, 233); \ |
| s9 -= (s6*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 13573, 16384, 234); \ |
| s6 += (s9*13573 + 16384) >> 15; \ |
| sf += se; \ |
| sfh = OD_DCT_RSHIFT(sf, 1); \ |
| se = sfh - se; \ |
| s0 += s1; \ |
| s0h = OD_DCT_RSHIFT(s0, 1); \ |
| s1 = s0h - s1; \ |
| s2 = s3 - s2; \ |
| s2h = OD_DCT_RSHIFT(s2, 1); \ |
| s3 -= s2h; \ |
| sd -= sc; \ |
| sdh = OD_DCT_RSHIFT(sd, 1); \ |
| sc += sdh; \ |
| sa = s4 - sa; \ |
| s4 -= OD_DCT_RSHIFT(sa, 1); \ |
| s5 += sb; \ |
| sb = OD_DCT_RSHIFT(s5, 1) - sb; \ |
| s8 += s6; \ |
| s6 -= OD_DCT_RSHIFT(s8, 1); \ |
| s7 = s9 - s7; \ |
| s9 -= OD_DCT_RSHIFT(s7, 1); \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(sb, 6723, 4096, 235); \ |
| s4 += (sb*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| OD_DCT_OVERFLOW_CHECK(s4, 16069, 8192, 236); \ |
| sb -= (s4*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32]) ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(sb, 6723, 4096, 237); \ |
| s4 += (sb*6723 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32]) ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 8757, 8192, 238); \ |
| sa += (s5*8757 + 8192) >> 14; \ |
| /* 6811/8192 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| OD_DCT_OVERFLOW_CHECK(sa, 6811, 4096, 239); \ |
| s5 -= (sa*6811 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 8757, 8192, 240); \ |
| sa += (s5*8757 + 8192) >> 14; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 2485, 4096, 241); \ |
| s6 += (s9*2485 + 4096) >> 13; \ |
| /* 4551/8192 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| OD_DCT_OVERFLOW_CHECK(s6, 4551, 4096, 242); \ |
| s9 -= (s6*4551 + 4096) >> 13; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 2485, 4096, 243); \ |
| s6 += (s9*2485 + 4096) >> 13; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| OD_DCT_OVERFLOW_CHECK(s8, 3227, 16384, 244); \ |
| s7 += (s8*3227 + 16384) >> 15; \ |
| /* 6393/32768 ~= Sin[Pi/16] ~= 0.19509032201612825 */ \ |
| OD_DCT_OVERFLOW_CHECK(s7, 6393, 16384, 245); \ |
| s8 -= (s7*6393 + 16384) >> 15; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| OD_DCT_OVERFLOW_CHECK(s8, 3227, 16384, 246); \ |
| s7 += (s8*3227 + 16384) >> 15; \ |
| s1 -= s2h; \ |
| s2 += s1; \ |
| se += sdh; \ |
| sd = se - sd; \ |
| s3 += sfh; \ |
| sf -= s3; \ |
| sc = s0h - sc; \ |
| s0 -= sc; \ |
| sb += OD_DCT_RSHIFT(s8, 1); \ |
| s8 = sb - s8; \ |
| s4 += OD_DCT_RSHIFT(s7, 1); \ |
| s7 -= s4; \ |
| s6 += OD_DCT_RSHIFT(s5, 1); \ |
| s5 = s6 - s5; \ |
| s9 -= OD_DCT_RSHIFT(sa, 1); \ |
| sa += s9; \ |
| s8 += s0; \ |
| s0 -= OD_DCT_RSHIFT(s8, 1); \ |
| sf += s7; \ |
| s7 = OD_DCT_RSHIFT(sf, 1) - s7; \ |
| s1 -= s6; \ |
| s6 += OD_DCT_RSHIFT(s1, 1); \ |
| s9 += se; \ |
| se = OD_DCT_RSHIFT(s9, 1) - se; \ |
| s2 += sa; \ |
| sa = OD_DCT_RSHIFT(s2, 1) - sa; \ |
| s5 += sd; \ |
| sd -= OD_DCT_RSHIFT(s5, 1); \ |
| s4 = sc - s4; \ |
| sc -= OD_DCT_RSHIFT(s4, 1); \ |
| s3 -= sb; \ |
| sb += OD_DCT_RSHIFT(s3, 1); \ |
| /* 2799/4096 ~= (1/Sqrt[2] - Cos[31*Pi/64]/2)/Sin[31*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(sf, 2799, 2048, 247); \ |
| s0 -= (sf*2799 + 2048) >> 12; \ |
| /* 2893/2048 ~= Sqrt[2]*Sin[31*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s0, 2893, 1024, 248); \ |
| sf += (s0*2893 + 1024) >> 11; \ |
| /* 5397/8192 ~= (Cos[Pi/4] - Cos[31*Pi/64])/Sin[31*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(sf, 5397, 4096, 249); \ |
| s0 -= (sf*5397 + 4096) >> 13; \ |
| /* 41/64 ~= (1/Sqrt[2] - Cos[29*Pi/64]/2)/Sin[29*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s1, 41, 32, 250); \ |
| se += (s1*41 + 32) >> 6; \ |
| /* 2865/2048 ~= Sqrt[2]*Sin[29*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(se, 2865, 1024, 251); \ |
| s1 -= (se*2865 + 1024) >> 11; \ |
| /* 4641/8192 ~= (1/Sqrt[2] - Cos[29*Pi/64])/Sin[29*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s1, 4641, 4096, 252); \ |
| se += (s1*4641 + 4096) >> 13; \ |
| /* 2473/4096 ~= (1/Sqrt[2] - Cos[27*Pi/64]/2)/Sin[27*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s2, 2473, 2048, 253); \ |
| sd += (s2*2473 + 2048) >> 12; \ |
| /* 5619/4096 ~= Sqrt[2]*Sin[27*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(sd, 5619, 2048, 254); \ |
| s2 -= (sd*5619 + 2048) >> 12; \ |
| /* 7839/16384 ~= (1/Sqrt[2] - Cos[27*Pi/64])/Sin[27*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s2, 7839, 8192, 255); \ |
| sd += (s2*7839 + 8192) >> 14; \ |
| /* 5747/8192 ~= (1/Sqrt[2] - Cos[7*Pi/64]/2)/Sin[7*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 5747, 4096, 256); \ |
| sc -= (s3*5747 + 4096) >> 13; \ |
| /* 3903/8192 ~= Sqrt[2]*Sin[7*Pi/64] ~= */ \ |
| OD_DCT_OVERFLOW_CHECK(sc, 3903, 4096, 257); \ |
| s3 += (sc*3903 + 4096) >> 13; \ |
| /* 5701/8192 ~= (1/Sqrt[2] - Cos[7*Pi/64])/Sin[7*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s3, 5701, 4096, 258); \ |
| sc += (s3*5701 + 4096) >> 13; \ |
| /* 4471/8192 ~= (1/Sqrt[2] - Cos[23*Pi/64]/2)/Sin[23*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s4, 4471, 4096, 259); \ |
| sb += (s4*4471 + 4096) >> 13; \ |
| /* 1309/1024 ~= Sqrt[2]*Sin[23*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(sb, 1309, 512, 260); \ |
| s4 -= (sb*1309 + 512) >> 10; \ |
| /* 5067/16384 ~= (1/Sqrt[2] - Cos[23*Pi/64])/Sin[23*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s4, 5067, 8192, 261); \ |
| sb += (s4*5067 + 8192) >> 14; \ |
| /* 2217/4096 ~= (1/Sqrt[2] - Cos[11*Pi/64]/2)/Sin[11*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 2217, 2048, 262); \ |
| sa -= (s5*2217 + 2048) >> 12; \ |
| /* 1489/2048 ~= Sqrt[2]*Sin[11*Pi/64] ~= 0.72705107329128 */ \ |
| OD_DCT_OVERFLOW_CHECK(sa, 1489, 1024, 263); \ |
| s5 += (sa*1489 + 1024) >> 11; \ |
| /* 75/256 ~= (1/Sqrt[2] - Cos[11*Pi/64])/Sin[11*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s5, 75, 128, 264); \ |
| sa += (s5*75 + 128) >> 8; \ |
| /* 2087/4096 ~= (1/Sqrt[2] - Cos[19*Pi/64]/2)/Sin[19*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 2087, 2048, 265); \ |
| s6 -= (s9*2087 + 2048) >> 12; \ |
| /* 4653/4096 ~= Sqrt[2]*Sin[19*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s6, 4653, 2048, 266); \ |
| s9 += (s6*4653 + 2048) >> 12; \ |
| /* 4545/32768 ~= (1/Sqrt[2] - Cos[19*Pi/64])/Sin[19*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s9, 4545, 16384, 267); \ |
| s6 -= (s9*4545 + 16384) >> 15; \ |
| /* 2053/4096 ~= (1/Sqrt[2] - Cos[15*Pi/64]/2)/Sin[15*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s8, 2053, 2048, 268); \ |
| s7 += (s8*2053 + 2048) >> 12; \ |
| /* 1945/2048 ~= Sqrt[2]*Sin[15*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s7, 1945, 1024, 269); \ |
| s8 -= (s7*1945 + 1024) >> 11; \ |
| /* 1651/32768 ~= (1/Sqrt[2] - Cos[15*Pi/64])/Sin[15*Pi/64] */ \ |
| OD_DCT_OVERFLOW_CHECK(s8, 1651, 16384, 270); \ |
| s7 -= (s8*1651 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_16(s0, s8, s4, sc, s2, sa, s6, se, \ |
| s1, s9, s5, sd, s3, sb, s7, sf) \ |
| /* Embedded 16-point orthonormal Type-IV iDST. */ \ |
| do { \ |
| int s0h; \ |
| int s4h; \ |
| int sbh; \ |
| int sfh; \ |
| /* 1651/32768 ~= (1/Sqrt[2] - Cos[15*Pi/64])/Sin[15*Pi/64] */ \ |
| se += (s1*1651 + 16384) >> 15; \ |
| /* 1945/2048 ~= Sqrt[2]*Sin[15*Pi/64] */ \ |
| s1 += (se*1945 + 1024) >> 11; \ |
| /* 2053/4096 ~= (1/Sqrt[2] - Cos[15*Pi/64]/2)/Sin[15*Pi/64] */ \ |
| se -= (s1*2053 + 2048) >> 12; \ |
| /* 4545/32768 ~= (1/Sqrt[2] - Cos[19*Pi/64])/Sin[19*Pi/64] */ \ |
| s6 += (s9*4545 + 16384) >> 15; \ |
| /* 4653/32768 ~= Sqrt[2]*Sin[19*Pi/64] */ \ |
| s9 -= (s6*4653 + 2048) >> 12; \ |
| /* 2087/4096 ~= (1/Sqrt[2] - Cos[19*Pi/64]/2)/Sin[19*Pi/64] */ \ |
| s6 += (s9*2087 + 2048) >> 12; \ |
| /* 75/256 ~= (1/Sqrt[2] - Cos[11*Pi/64])/Sin[11*Pi/64] */ \ |
| s5 -= (sa*75 + 128) >> 8; \ |
| /* 1489/2048 ~= Sqrt[2]*Sin[11*Pi/64] */ \ |
| sa -= (s5*1489 + 1024) >> 11; \ |
| /* 2217/4096 ~= (1/Sqrt[2] - Cos[11*Pi/64]/2)/Sin[11*Pi/64] */ \ |
| s5 += (sa*2217 + 2048) >> 12; \ |
| /* 5067/16384 ~= (1/Sqrt[2] - Cos[23*Pi/64])/Sin[23*Pi/64] */ \ |
| sd -= (s2*5067 + 8192) >> 14; \ |
| /* 1309/1024 ~= Sqrt[2]*Sin[23*Pi/64] */ \ |
| s2 += (sd*1309 + 512) >> 10; \ |
| /* 4471/8192 ~= (1/Sqrt[2] - Cos[23*Pi/64]/2)/Sin[23*Pi/64] */ \ |
| sd -= (s2*4471 + 4096) >> 13; \ |
| /* 5701/8192 ~= (1/Sqrt[2] - Cos[7*Pi/64])/Sin[7*Pi/64] */ \ |
| s3 -= (sc*5701 + 4096) >> 13; \ |
| /* 3903/8192 ~= Sqrt[2]*Sin[7*Pi/64] */ \ |
| sc -= (s3*3903 + 4096) >> 13; \ |
| /* 5747/8192 ~= (1/Sqrt[2] - Cos[7*Pi/64]/2)/Sin[7*Pi/64] */ \ |
| s3 += (sc*5747 + 4096) >> 13; \ |
| /* 7839/16384 ~= (1/Sqrt[2] - Cos[27*Pi/64])/Sin[27*Pi/64] */ \ |
| sb -= (s4*7839 + 8192) >> 14; \ |
| /* 5619/4096 ~= Sqrt[2]*Sin[27*Pi/64] */ \ |
| s4 += (sb*5619 + 2048) >> 12; \ |
| /* 2473/4096 ~= (1/Sqrt[2] - Cos[27*Pi/64]/2)/Sin[27*Pi/64] */ \ |
| sb -= (s4*2473 + 2048) >> 12; \ |
| /* 4641/8192 ~= (1/Sqrt[2] - Cos[29*Pi/64])/Sin[29*Pi/64] */ \ |
| s7 -= (s8*4641 + 4096) >> 13; \ |
| /* 2865/2048 ~= Sqrt[2]*Sin[29*Pi/64] */ \ |
| s8 += (s7*2865 + 1024) >> 11; \ |
| /* 41/64 ~= (1/Sqrt[2] - Cos[29*Pi/64]/2)/Sin[29*Pi/64] */ \ |
| s7 -= (s8*41 + 32) >> 6; \ |
| /* 5397/8192 ~= (Cos[Pi/4] - Cos[31*Pi/64])/Sin[31*Pi/64] */ \ |
| s0 += (sf*5397 + 4096) >> 13; \ |
| /* 2893/2048 ~= Sqrt[2]*Sin[31*Pi/64] */ \ |
| sf -= (s0*2893 + 1024) >> 11; \ |
| /* 2799/4096 ~= (1/Sqrt[2] - Cos[31*Pi/64]/2)/Sin[31*Pi/64] */ \ |
| s0 += (sf*2799 + 2048) >> 12; \ |
| sd -= OD_DCT_RSHIFT(sc, 1); \ |
| sc += sd; \ |
| s3 += OD_DCT_RSHIFT(s2, 1); \ |
| s2 = s3 - s2; \ |
| sb += OD_DCT_RSHIFT(sa, 1); \ |
| sa -= sb; \ |
| s5 = OD_DCT_RSHIFT(s4, 1) - s5; \ |
| s4 -= s5; \ |
| s7 = OD_DCT_RSHIFT(s9, 1) - s7; \ |
| s9 -= s7; \ |
| s6 -= OD_DCT_RSHIFT(s8, 1); \ |
| s8 += s6; \ |
| se = OD_DCT_RSHIFT(sf, 1) - se; \ |
| sf -= se; \ |
| s0 += OD_DCT_RSHIFT(s1, 1); \ |
| s1 -= s0; \ |
| s5 -= s9; \ |
| s9 += OD_DCT_RSHIFT(s5, 1); \ |
| sa = s6 - sa; \ |
| s6 -= OD_DCT_RSHIFT(sa, 1); \ |
| se += s2; \ |
| s2 -= OD_DCT_RSHIFT(se, 1); \ |
| s1 = sd - s1; \ |
| sd -= OD_DCT_RSHIFT(s1, 1); \ |
| s0 += s3; \ |
| s0h = OD_DCT_RSHIFT(s0, 1); \ |
| s3 = s0h - s3; \ |
| sf += sc; \ |
| sfh = OD_DCT_RSHIFT(sf, 1); \ |
| sc -= sfh; \ |
| sb = s7 - sb; \ |
| sbh = OD_DCT_RSHIFT(sb, 1); \ |
| s7 -= sbh; \ |
| s4 -= s8; \ |
| s4h = OD_DCT_RSHIFT(s4, 1); \ |
| s8 += s4h; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| se -= (s1*3227 + 16384) >> 15; \ |
| /* 6393/32768 ~= Sin[Pi/16] ~= 0.19509032201612825 */ \ |
| s1 += (se*6393 + 16384) >> 15; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| se -= (s1*3227 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| s6 -= (s9*2485 + 4096) >> 13; \ |
| /* 4551/8192 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| s9 += (s6*4551 + 4096) >> 13; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| s6 -= (s9*2485 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| s5 -= (sa*8757 + 8192) >> 14; \ |
| /* 6811/8192 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| sa += (s5*6811 + 4096) >> 13; \ |
| /* 8757/16384 ~= Tan[5*Pi/32]) ~= 0.534511135950792 */ \ |
| s5 -= (sa*8757 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32]) ~= 0.820678790828660 */ \ |
| s2 -= (sd*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| sd += (s2*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| s2 -= (sd*6723 + 4096) >> 13; \ |
| s9 += OD_DCT_RSHIFT(se, 1); \ |
| se = s9 - se; \ |
| s6 += OD_DCT_RSHIFT(s1, 1); \ |
| s1 -= s6; \ |
| sd = OD_DCT_RSHIFT(sa, 1) - sd; \ |
| sa -= sd; \ |
| s2 += OD_DCT_RSHIFT(s5, 1); \ |
| s5 = s2 - s5; \ |
| s3 -= sbh; \ |
| sb += s3; \ |
| sc += s4h; \ |
| s4 = sc - s4; \ |
| s8 = s0h - s8; \ |
| s0 -= s8; \ |
| s7 = sfh - s7; \ |
| sf -= s7; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s6 -= (s9*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| s9 += (s6*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s6 -= (s9*13573 + 16384) >> 15; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s5 -= (sa*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| sa += (s5*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s5 -= (sa*13573 + 16384) >> 15; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| s3 -= (sc*3259 + 8192) >> 14; \ |
| /* 3135/8192 ~= Sin[Pi/8] ~= 0.382683432365090 */ \ |
| sc += (s3*3135 + 4096) >> 13; \ |
| /* 3259/16384 ~= Tan[Pi/16] ~= 0.198912367379658 */ \ |
| s3 -= (sc*3259 + 8192) >> 14; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| sb -= (s4*21895 + 16384) >> 15; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| s4 += (sb*15137 + 8192) >> 14; \ |
| /* 21895/32768 ~= Tan[3*Pi/16] ~= 0.668178637919299 */ \ |
| sb -= (s4*21895 + 16384) >> 15; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s8 -= (s7*13573 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[pi/4] ~= 0.707106781186547 */ \ |
| s7 += (s8*11585 + 8192) >> 14; \ |
| /* 13573/32768 ~= Tan[pi/8] ~= 0.414213562373095 */ \ |
| s8 -= (s7*13573 + 16384) >> 15; \ |
| } \ |
| while (0) |
| |
| /* TODO: rewrite this to match OD_FDST_16. */ |
| #define OD_FDST_16_ASYM(t0, t0h, t8, t4, t4h, tc, t2, ta, t6, te, \ |
| t1, t9, t5, td, t3, tb, t7, t7h, tf) \ |
| /* Embedded 16-point asymmetric Type-IV fDST. */ \ |
| do { \ |
| int t2h; \ |
| int t3h; \ |
| int t6h; \ |
| int t8h; \ |
| int t9h; \ |
| int tch; \ |
| int tdh; \ |
| /* TODO: Can we move these into another operation */ \ |
| t8 = -t8; \ |
| t9 = -t9; \ |
| ta = -ta; \ |
| tb = -tb; \ |
| td = -td; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 13573, 8192, 136); \ |
| t1 -= (te*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 11585, 16384, 137); \ |
| te += (t1*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 13573, 8192, 138); \ |
| t1 -= (te*13573 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 4161, 8192, 139); \ |
| t2 += (td*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 15137, 8192, 140); \ |
| td -= (t2*15137 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 14341, 8192, 141); \ |
| t2 += (td*14341 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 14341, 8192, 142); \ |
| tc -= (t3*14341 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 15137, 8192, 143); \ |
| t3 += (tc*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 4161, 8192, 144); \ |
| tc -= (t3*4161 + 8192) >> 14; \ |
| te = t0h - te; \ |
| t0 -= te; \ |
| tf = OD_DCT_RSHIFT(t1, 1) - tf; \ |
| t1 -= tf; \ |
| /* TODO: Can we move this into another operation */ \ |
| tc = -tc; \ |
| t2 = OD_DCT_RSHIFT(tc, 1) - t2; \ |
| tc -= t2; \ |
| t3 = OD_DCT_RSHIFT(td, 1) - t3; \ |
| td = t3 - td; \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 7489, 4096, 145); \ |
| t9 -= (t6*7489 + 4096) >> 13; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 11585, 8192, 146); \ |
| t6 += (t9*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 19195, 16384, 147); \ |
| t9 += (t6*19195 + 16384) >> 15; \ |
| t8 += OD_DCT_RSHIFT(t9, 1); \ |
| t9 -= t8; \ |
| t6 = t7h - t6; \ |
| t7 -= t6; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 6723, 4096, 148); \ |
| t8 += (t7*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 16069, 8192, 149); \ |
| t7 -= (t8*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32]) ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 6723, 4096, 150); \ |
| t8 += (t7*6723 + 4096) >> 13; \ |
| /* 17515/32768 ~= Tan[5*Pi/32]) ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 17515, 16384, 151); \ |
| t9 += (t6*17515 + 16384) >> 15; \ |
| /* 13623/16384 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 13623, 8192, 152); \ |
| t6 -= (t9*13623 + 8192) >> 14; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 17515, 16384, 153); \ |
| t9 += (t6*17515 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 13573, 8192, 154); \ |
| t5 += (ta*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 11585, 16384, 155); \ |
| ta -= (t5*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 13573, 8192, 156); \ |
| t5 += (ta*13573 + 8192) >> 14; \ |
| tb += OD_DCT_RSHIFT(t5, 1); \ |
| t5 = tb - t5; \ |
| ta += t4h; \ |
| t4 -= ta; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 2485, 4096, 157); \ |
| ta += (t5*2485 + 4096) >> 13; \ |
| /* 18205/32768 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 18205, 16384, 158); \ |
| t5 -= (ta*18205 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 2485, 4096, 159); \ |
| ta += (t5*2485 + 4096) >> 13; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 6723, 4096, 160); \ |
| tb -= (t4*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 16069, 8192, 161); \ |
| t4 += (tb*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 6723, 4096, 162); \ |
| tb -= (t4*6723 + 4096) >> 13; \ |
| /* TODO: Can we move this into another operation */ \ |
| t5 = -t5; \ |
| tc -= tf; \ |
| tch = OD_DCT_RSHIFT(tc, 1); \ |
| tf += tch; \ |
| t3 += t0; \ |
| t3h = OD_DCT_RSHIFT(t3, 1); \ |
| t0 -= t3h; \ |
| td -= t1; \ |
| tdh = OD_DCT_RSHIFT(td, 1); \ |
| t1 += tdh; \ |
| t2 += te; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| te -= t2h; \ |
| t8 += t4; \ |
| t8h = OD_DCT_RSHIFT(t8, 1); \ |
| t4 = t8h - t4; \ |
| t7 = tb - t7; \ |
| t7h = OD_DCT_RSHIFT(t7, 1); \ |
| tb = t7h - tb; \ |
| t6 -= ta; \ |
| t6h = OD_DCT_RSHIFT(t6, 1); \ |
| ta += t6h; \ |
| t9 = t5 - t9; \ |
| t9h = OD_DCT_RSHIFT(t9, 1); \ |
| t5 -= t9h; \ |
| t0 -= t7h; \ |
| t7 += t0; \ |
| tf += t8h; \ |
| t8 -= tf; \ |
| te -= t6h; \ |
| t6 += te; \ |
| t1 += t9h; \ |
| t9 -= t1; \ |
| tb -= tch; \ |
| tc += tb; \ |
| t4 += t3h; \ |
| t3 -= t4; \ |
| ta -= tdh; \ |
| td += ta; \ |
| t5 = t2h - t5; \ |
| t2 -= t5; \ |
| /* TODO: Can we move these into another operation */ \ |
| t8 = -t8; \ |
| t9 = -t9; \ |
| ta = -ta; \ |
| tb = -tb; \ |
| tc = -tc; \ |
| td = -td; \ |
| tf = -tf; \ |
| /* 7799/8192 ~= Tan[31*Pi/128] ~= 0.952079146700925 */ \ |
| OD_DCT_OVERFLOW_CHECK(tf, 7799, 4096, 163); \ |
| t0 -= (tf*7799 + 4096) >> 13; \ |
| /* 4091/4096 ~= Sin[31*Pi/64] ~= 0.998795456205172 */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 4091, 2048, 164); \ |
| tf += (t0*4091 + 2048) >> 12; \ |
| /* 7799/8192 ~= Tan[31*Pi/128] ~= 0.952079146700925 */ \ |
| OD_DCT_OVERFLOW_CHECK(tf, 7799, 4096, 165); \ |
| t0 -= (tf*7799 + 4096) >> 13; \ |
| /* 2417/32768 ~= Tan[3*Pi/128] ~= 0.0737644315224493 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 2417, 16384, 166); \ |
| t1 += (te*2417 + 16384) >> 15; \ |
| /* 601/4096 ~= Sin[3*Pi/64] ~= 0.146730474455362 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 601, 2048, 167); \ |
| te -= (t1*601 + 2048) >> 12; \ |
| /* 2417/32768 ~= Tan[3*Pi/128] ~= 0.0737644315224493 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 2417, 16384, 168); \ |
| t1 += (te*2417 + 16384) >> 15; \ |
| /* 14525/32768 ~= Tan[17*Pi/128] ~= 0.443269513890864 */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 14525, 16384, 169); \ |
| t7 -= (t8*14525 + 16384) >> 15; \ |
| /* 3035/4096 ~= Sin[17*Pi/64] ~= 0.740951125354959 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 3035, 2048, 170); \ |
| t8 += (t7*3035 + 2048) >> 12; \ |
| /* 7263/16384 ~= Tan[17*Pi/128] ~= 0.443269513890864 */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 7263, 8192, 171); \ |
| t7 -= (t8*7263 + 8192) >> 14; \ |
| /* 6393/8192 ~= Tan[27*Pi/128] ~= 0.780407659653944 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 6393, 4096, 172); \ |
| t2 -= (td*6393 + 4096) >> 13; \ |
| /* 3973/4096 ~= Sin[27*Pi/64] ~= 0.970031253194544 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 3973, 2048, 173); \ |
| td += (t2*3973 + 2048) >> 12; \ |
| /* 6393/8192 ~= Tan[27*Pi/128] ~= 0.780407659653944 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 6393, 4096, 174); \ |
| t2 -= (td*6393 + 4096) >> 13; \ |
| /* 9281/16384 ~= Tan[21*Pi/128] ~= 0.566493002730344 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 9281, 8192, 175); \ |
| t5 -= (ta*9281 + 8192) >> 14; \ |
| /* 7027/8192 ~= Sin[21*Pi/64] ~= 0.857728610000272 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 7027, 4096, 176); \ |
| ta += (t5*7027 + 4096) >> 13; \ |
| /* 9281/16384 ~= Tan[21*Pi/128] ~= 0.566493002730344 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 9281, 8192, 177); \ |
| t5 -= (ta*9281 + 8192) >> 14; \ |
| /* 11539/16384 ~= Tan[25*Pi/128] ~= 0.704279460865044 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 11539, 8192, 178); \ |
| t3 -= (tc*11539 + 8192) >> 14; \ |
| /* 7713/8192 ~= Sin[25*Pi/64] ~= 0.941544065183021 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 7713, 4096, 179); \ |
| tc += (t3*7713 + 4096) >> 13; \ |
| /* 11539/16384 ~= Tan[25*Pi/128] ~= 0.704279460865044 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 11539, 8192, 180); \ |
| t3 -= (tc*11539 + 8192) >> 14; \ |
| /* 10375/16384 ~= Tan[23*Pi/128] ~= 0.633243016177569 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 10375, 8192, 181); \ |
| t4 -= (tb*10375 + 8192) >> 14; \ |
| /* 7405/8192 ~= Sin[23*Pi/64] ~= 0.903989293123443 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 7405, 4096, 182); \ |
| tb += (t4*7405 + 4096) >> 13; \ |
| /* 10375/16384 ~= Tan[23*Pi/128] ~= 0.633243016177569 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 10375, 8192, 183); \ |
| t4 -= (tb*10375 + 8192) >> 14; \ |
| /* 8247/16384 ~= Tan[19*Pi/128] ~= 0.503357699799294 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 8247, 8192, 184); \ |
| t6 -= (t9*8247 + 8192) >> 14; \ |
| /* 1645/2048 ~= Sin[19*Pi/64] ~= 0.803207531480645 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 1645, 1024, 185); \ |
| t9 += (t6*1645 + 1024) >> 11; \ |
| /* 8247/16384 ~= Tan[19*Pi/128] ~= 0.503357699799294 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 8247, 8192, 186); \ |
| t6 -= (t9*8247 + 8192) >> 14; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_16_ASYM(t0, t0h, t8, t4, tc, t2, t2h, ta, t6, te, teh, \ |
| t1, t9, t5, td, t3, tb, t7, tf) \ |
| /* Embedded 16-point asymmetric Type-IV iDST. */ \ |
| do { \ |
| int t1h_; \ |
| int t3h_; \ |
| int t4h; \ |
| int t6h; \ |
| int t9h_; \ |
| int tbh_; \ |
| int tch; \ |
| /* 8247/16384 ~= Tan[19*Pi/128] ~= 0.503357699799294 */ \ |
| t6 += (t9*8247 + 8192) >> 14; \ |
| /* 1645/2048 ~= Sin[19*Pi/64] ~= 0.803207531480645 */ \ |
| t9 -= (t6*1645 + 1024) >> 11; \ |
| /* 8247/16384 ~= Tan[19*Pi/128] ~= 0.503357699799294 */ \ |
| t6 += (t9*8247 + 8192) >> 14; \ |
| /* 10375/16384 ~= Tan[23*Pi/128] ~= 0.633243016177569 */ \ |
| t2 += (td*10375 + 8192) >> 14; \ |
| /* 7405/8192 ~= Sin[23*Pi/64] ~= 0.903989293123443 */ \ |
| td -= (t2*7405 + 4096) >> 13; \ |
| /* 10375/16384 ~= Tan[23*Pi/128] ~= 0.633243016177569 */ \ |
| t2 += (td*10375 + 8192) >> 14; \ |
| /* 11539/16384 ~= Tan[25*Pi/128] ~= 0.704279460865044 */ \ |
| tc += (t3*11539 + 8192) >> 14; \ |
| /* 7713/8192 ~= Sin[25*Pi/64] ~= 0.941544065183021 */ \ |
| t3 -= (tc*7713 + 4096) >> 13; \ |
| /* 11539/16384 ~= Tan[25*Pi/128] ~= 0.704279460865044 */ \ |
| tc += (t3*11539 + 8192) >> 14; \ |
| /* 9281/16384 ~= Tan[21*Pi/128] ~= 0.566493002730344 */ \ |
| ta += (t5*9281 + 8192) >> 14; \ |
| /* 7027/8192 ~= Sin[21*Pi/64] ~= 0.857728610000272 */ \ |
| t5 -= (ta*7027 + 4096) >> 13; \ |
| /* 9281/16384 ~= Tan[21*Pi/128] ~= 0.566493002730344 */ \ |
| ta += (t5*9281 + 8192) >> 14; \ |
| /* 6393/8192 ~= Tan[27*Pi/128] ~= 0.780407659653944 */ \ |
| t4 += (tb*6393 + 4096) >> 13; \ |
| /* 3973/4096 ~= Sin[27*Pi/64] ~= 0.970031253194544 */ \ |
| tb -= (t4*3973 + 2048) >> 12; \ |
| /* 6393/8192 ~= Tan[27*Pi/128] ~= 0.780407659653944 */ \ |
| t4 += (tb*6393 + 4096) >> 13; \ |
| /* 7263/16384 ~= Tan[17*Pi/128] ~= 0.443269513890864 */ \ |
| te += (t1*7263 + 8192) >> 14; \ |
| /* 3035/4096 ~= Sin[17*Pi/64] ~= 0.740951125354959 */ \ |
| t1 -= (te*3035 + 2048) >> 12; \ |
| /* 14525/32768 ~= Tan[17*Pi/128] ~= 0.443269513890864 */ \ |
| te += (t1*14525 + 16384) >> 15; \ |
| /* 2417/32768 ~= Tan[3*Pi/128] ~= 0.0737644315224493 */ \ |
| t8 -= (t7*2417 + 16384) >> 15; \ |
| /* 601/4096 ~= Sin[3*Pi/64] ~= 0.146730474455362 */ \ |
| t7 += (t8*601 + 2048) >> 12; \ |
| /* 2417/32768 ~= Tan[3*Pi/128] ~= 0.0737644315224493 */ \ |
| t8 -= (t7*2417 + 16384) >> 15; \ |
| /* 7799/8192 ~= Tan[31*Pi/128] ~= 0.952079146700925 */ \ |
| t0 += (tf*7799 + 4096) >> 13; \ |
| /* 4091/4096 ~= Sin[31*Pi/64] ~= 0.998795456205172 */ \ |
| tf -= (t0*4091 + 2048) >> 12; \ |
| /* 7799/8192 ~= Tan[31*Pi/128] ~= 0.952079146700925 */ \ |
| t0 += (tf*7799 + 4096) >> 13; \ |
| /* TODO: Can we move these into another operation */ \ |
| t1 = -t1; \ |
| t3 = -t3; \ |
| t5 = -t5; \ |
| t9 = -t9; \ |
| tb = -tb; \ |
| td = -td; \ |
| tf = -tf; \ |
| t4 += ta; \ |
| t4h = OD_DCT_RSHIFT(t4, 1); \ |
| ta = t4h - ta; \ |
| tb -= t5; \ |
| tbh_ = OD_DCT_RSHIFT(tb, 1); \ |
| t5 += tbh_; \ |
| tc += t2; \ |
| tch = OD_DCT_RSHIFT(tc, 1); \ |
| t2 -= tch; \ |
| t3 -= td; \ |
| t3h_ = OD_DCT_RSHIFT(t3, 1); \ |
| td += t3h_; \ |
| t9 += t8; \ |
| t9h_ = OD_DCT_RSHIFT(t9, 1); \ |
| t8 -= t9h_; \ |
| t6 -= t7; \ |
| t6h = OD_DCT_RSHIFT(t6, 1); \ |
| t7 += t6h; \ |
| t1 += tf; \ |
| t1h_ = OD_DCT_RSHIFT(t1, 1); \ |
| tf -= t1h_; \ |
| te -= t0; \ |
| teh = OD_DCT_RSHIFT(te, 1); \ |
| t0 += teh; \ |
| ta += t9h_; \ |
| t9 = ta - t9; \ |
| t5 -= t6h; \ |
| t6 += t5; \ |
| td = teh - td; \ |
| te = td - te; \ |
| t2 = t1h_ - t2; \ |
| t1 -= t2; \ |
| t7 += t4h; \ |
| t4 -= t7; \ |
| t8 -= tbh_; \ |
| tb += t8; \ |
| t0 += tch; \ |
| tc -= t0; \ |
| tf -= t3h_; \ |
| t3 += tf; \ |
| /* TODO: Can we move this into another operation */ \ |
| ta = -ta; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| td += (t2*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| t2 -= (td*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.820678790828660 */ \ |
| td += (t2*6723 + 4096) >> 13; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| t5 -= (ta*2485 + 4096) >> 13; \ |
| /* 18205/32768 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| ta += (t5*18205 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| t5 -= (ta*2485 + 4096) >> 13; \ |
| t2 += t5; \ |
| t2h = OD_DCT_RSHIFT(t2, 1); \ |
| t5 -= t2h; \ |
| ta = td - ta; \ |
| td -= OD_DCT_RSHIFT(ta, 1); \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| ta -= (t5*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| t5 += (ta*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| ta -= (t5*13573 + 8192) >> 14; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.534511135950792 */ \ |
| t9 -= (t6*17515 + 16384) >> 15; \ |
| /* 13623/16384 ~= Sin[5*Pi/16] ~= 0.831469612302545 */ \ |
| t6 += (t9*13623 + 8192) >> 14; \ |
| /* 17515/32768 ~= Tan[5*Pi/32]) ~= 0.534511135950792 */ \ |
| t9 -= (t6*17515 + 16384) >> 15; \ |
| /* 6723/8192 ~= Tan[7*Pi/32]) ~= 0.820678790828660 */ \ |
| t1 -= (te*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.980785280403230 */ \ |
| te += (t1*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32]) ~= 0.820678790828660 */ \ |
| t1 -= (te*6723 + 4096) >> 13; \ |
| te += t6; \ |
| teh = OD_DCT_RSHIFT(te, 1); \ |
| t6 = teh - t6; \ |
| t9 += t1; \ |
| t1 -= OD_DCT_RSHIFT(t9, 1); \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| t9 -= (t6*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| t6 -= (t9*11585 + 8192) >> 14; \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| t9 += (t6*7489 + 4096) >> 13; \ |
| tb = tc - tb; \ |
| tc = OD_DCT_RSHIFT(tb, 1) - tc; \ |
| t3 += t4; \ |
| t4 = OD_DCT_RSHIFT(t3, 1) - t4; \ |
| /* TODO: Can we move this into another operation */ \ |
| t3 = -t3; \ |
| t8 += tf; \ |
| tf = OD_DCT_RSHIFT(t8, 1) - tf; \ |
| t0 += t7; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t7 = t0h - t7; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| t3 += (tc*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| tc -= (t3*15137 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| t3 += (tc*14341 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| t4 -= (tb*14341 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| tb += (t4*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| t4 -= (tb*4161 + 8192) >> 14; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| t8 += (t7*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| t7 -= (t8*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| t8 += (t7*13573 + 8192) >> 14; \ |
| /* TODO: Can we move these into another operation */ \ |
| t1 = -t1; \ |
| t5 = -t5; \ |
| t9 = -t9; \ |
| tb = -tb; \ |
| td = -td; \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_32(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, tm, \ |
| te, tu, t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv) \ |
| /* Embedded 32-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int tgh; \ |
| int thh; \ |
| int tih; \ |
| int tkh; \ |
| int tmh; \ |
| int tnh; \ |
| int toh; \ |
| int tqh; \ |
| int tsh; \ |
| int tuh; \ |
| int tvh; \ |
| tv = t0 - tv; \ |
| tvh = OD_DCT_RSHIFT(tv, 1); \ |
| t0 -= tvh; \ |
| tu += t1; \ |
| tuh = OD_DCT_RSHIFT(tu, 1); \ |
| t1 = tuh - t1; \ |
| tt = t2 - tt; \ |
| t2 -= OD_DCT_RSHIFT(tt, 1); \ |
| ts += t3; \ |
| tsh = OD_DCT_RSHIFT(ts, 1); \ |
| t3 = tsh - t3; \ |
| tr = t4 - tr; \ |
| t4 -= OD_DCT_RSHIFT(tr, 1); \ |
| tq += t5; \ |
| tqh = OD_DCT_RSHIFT(tq, 1); \ |
| t5 = tqh - t5; \ |
| tp = t6 - tp; \ |
| t6 -= OD_DCT_RSHIFT(tp, 1); \ |
| to += t7; \ |
| toh = OD_DCT_RSHIFT(to, 1); \ |
| t7 = toh - t7; \ |
| tn = t8 - tn; \ |
| tnh = OD_DCT_RSHIFT(tn, 1); \ |
| t8 -= tnh; \ |
| tm += t9; \ |
| tmh = OD_DCT_RSHIFT(tm, 1); \ |
| t9 = tmh - t9; \ |
| tl = ta - tl; \ |
| ta -= OD_DCT_RSHIFT(tl, 1); \ |
| tk += tb; \ |
| tkh = OD_DCT_RSHIFT(tk, 1); \ |
| tb = tkh - tb; \ |
| tj = tc - tj; \ |
| tc -= OD_DCT_RSHIFT(tj, 1); \ |
| ti += td; \ |
| tih = OD_DCT_RSHIFT(ti, 1); \ |
| td = tih - td; \ |
| th = te - th; \ |
| thh = OD_DCT_RSHIFT(th, 1); \ |
| te -= thh; \ |
| tg += tf; \ |
| tgh = OD_DCT_RSHIFT(tg, 1); \ |
| tf = tgh - tf; \ |
| OD_FDCT_16_ASYM(t0, tg, tgh, t8, to, toh, t4, tk, tkh, tc, ts, tsh, \ |
| t2, ti, tih, ta, tq, tqh, t6, tm, tmh, te, tu, tuh); \ |
| OD_FDST_16_ASYM(tv, tvh, tf, tn, tnh, t7, tr, tb, tj, t3, \ |
| tt, td, tl, t5, tp, t9, th, thh, t1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_32(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, tm, \ |
| te, tu, t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv) \ |
| /* Embedded 32-point orthonormal Type-II iDCT. */ \ |
| do { \ |
| int t1h; \ |
| int t3h; \ |
| int t5h; \ |
| int t7h; \ |
| int t9h; \ |
| int tbh; \ |
| int tdh; \ |
| int tfh; \ |
| int thh; \ |
| int tth; \ |
| int tvh; \ |
| OD_IDST_16_ASYM(tv, tvh, tn, tr, tj, tt, tth, tl, tp, th, thh, \ |
| tu, tm, tq, ti, ts, tk, to, tg); \ |
| OD_IDCT_16_ASYM(t0, t8, t4, tc, t2, ta, t6, te, \ |
| t1, t1h, t9, t9h, t5, t5h, td, tdh, t3, t3h, tb, tbh, t7, t7h, tf, tfh); \ |
| tu = t1h - tu; \ |
| t1 -= tu; \ |
| te += thh; \ |
| th = te - th; \ |
| tm = t9h - tm; \ |
| t9 -= tm; \ |
| t6 += OD_DCT_RSHIFT(tp, 1); \ |
| tp = t6 - tp; \ |
| tq = t5h - tq; \ |
| t5 -= tq; \ |
| ta += OD_DCT_RSHIFT(tl, 1); \ |
| tl = ta - tl; \ |
| ti = tdh - ti; \ |
| td -= ti; \ |
| t2 += tth; \ |
| tt = t2 - tt; \ |
| ts = t3h - ts; \ |
| t3 -= ts; \ |
| tc += OD_DCT_RSHIFT(tj, 1); \ |
| tj = tc - tj; \ |
| tk = tbh - tk; \ |
| tb -= tk; \ |
| t4 += OD_DCT_RSHIFT(tr, 1); \ |
| tr = t4 - tr; \ |
| to = t7h - to; \ |
| t7 -= to; \ |
| t8 += OD_DCT_RSHIFT(tn, 1); \ |
| tn = t8 - tn; \ |
| tg = tfh - tg; \ |
| tf -= tg; \ |
| t0 += tvh; \ |
| tv = t0 - tv; \ |
| } \ |
| while (0) |
| |
| #if CONFIG_TX64X64 |
| #define OD_FDCT_32_ASYM(t0, tg, tgh, t8, to, toh, t4, tk, tkh, tc, ts, tsh, \ |
| t2, ti, tih, ta, tq, tqh, t6, tm, tmh, te, tu, tuh, t1, th, thh, \ |
| t9, tp, tph, t5, tl, tlh, td, tt, tth, t3, tj, tjh, tb, tr, trh, \ |
| t7, tn, tnh, tf, tv, tvh) \ |
| /* Embedded 32-point asymmetric Type-II fDCT. */ \ |
| do { \ |
| t0 += tvh; \ |
| tv = t0 - tv; \ |
| t1 = tuh - t1; \ |
| tu -= t1; \ |
| t2 += tth; \ |
| tt = t2 - tt; \ |
| t3 = tsh - t3; \ |
| ts -= t3; \ |
| t4 += trh; \ |
| tr = t4 - tr; \ |
| t5 = tqh - t5; \ |
| tq -= t5; \ |
| t6 += tph; \ |
| tp = t6 - tp; \ |
| t7 = toh - t7; \ |
| to -= t7; \ |
| t8 += tnh; \ |
| tn = t8 - tn; \ |
| t9 = tmh - t9; \ |
| tm -= t9; \ |
| ta += tlh; \ |
| tl = ta - tl; \ |
| tb = tkh - tb; \ |
| tk -= tb; \ |
| tc += tjh; \ |
| tj = tc - tj; \ |
| td = tih - td; \ |
| ti -= td; \ |
| te += thh; \ |
| th = te - th; \ |
| tf = tgh - tf; \ |
| tg -= tf; \ |
| OD_FDCT_16(t0, tg, t8, to, t4, tk, tc, ts, \ |
| t2, ti, ta, tq, t6, tm, te, tu); \ |
| OD_FDST_16(tv, tf, tn, t7, tr, tb, tj, t3, \ |
| tt, td, tl, t5, tp, t9, th, t1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_32_ASYM(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, \ |
| t6, tm, te, tu, t1, t1h, th, thh, t9, t9h, tp, tph, t5, t5h, tl, tlh, \ |
| td, tdh, tt, tth, t3, t3h, tj, tjh, tb, tbh, tr, trh, t7, t7h, tn, tnh, \ |
| tf, tfh, tv, tvh) \ |
| /* Embedded 32-point asymmetric Type-II iDCT. */ \ |
| do { \ |
| OD_IDST_16(tv, tn, tr, tj, tt, tl, tp, th, \ |
| tu, tm, tq, ti, ts, tk, to, tg); \ |
| OD_IDCT_16(t0, t8, t4, tc, t2, ta, t6, te, \ |
| t1, t9, t5, td, t3, tb, t7, tf); \ |
| tv = t0 - tv; \ |
| tvh = OD_DCT_RSHIFT(tv, 1); \ |
| t0 -= tvh; \ |
| t1 += tu; \ |
| t1h = OD_DCT_RSHIFT(t1, 1); \ |
| tu = t1h - tu; \ |
| tt = t2 - tt; \ |
| tth = OD_DCT_RSHIFT(tt, 1); \ |
| t2 -= tth; \ |
| t3 += ts; \ |
| t3h = OD_DCT_RSHIFT(t3, 1); \ |
| ts = t3h - ts; \ |
| tr = t4 - tr; \ |
| trh = OD_DCT_RSHIFT(tr, 1); \ |
| t4 -= trh; \ |
| t5 += tq; \ |
| t5h = OD_DCT_RSHIFT(t5, 1); \ |
| tq = t5h - tq; \ |
| tp = t6 - tp; \ |
| tph = OD_DCT_RSHIFT(tp, 1); \ |
| t6 -= tph; \ |
| t7 += to; \ |
| t7h = OD_DCT_RSHIFT(t7, 1); \ |
| to = t7h - to; \ |
| tn = t8 - tn; \ |
| tnh = OD_DCT_RSHIFT(tn, 1); \ |
| t8 -= tnh; \ |
| t9 += tm; \ |
| t9h = OD_DCT_RSHIFT(t9, 1); \ |
| tm = t9h - tm; \ |
| tl = ta - tl; \ |
| tlh = OD_DCT_RSHIFT(tl, 1); \ |
| ta -= tlh; \ |
| tb += tk; \ |
| tbh = OD_DCT_RSHIFT(tb, 1); \ |
| tk = tbh - tk; \ |
| tj = tc - tj; \ |
| tjh = OD_DCT_RSHIFT(tj, 1); \ |
| tc -= tjh; \ |
| td += ti; \ |
| tdh = OD_DCT_RSHIFT(td, 1); \ |
| ti = tdh - ti; \ |
| th = te - th; \ |
| thh = OD_DCT_RSHIFT(th, 1); \ |
| te -= thh; \ |
| tf += tg; \ |
| tfh = OD_DCT_RSHIFT(tf, 1); \ |
| tg = tfh - tg; \ |
| } \ |
| while (0) |
| |
| #define OD_FDST_32_ASYM(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, \ |
| tm, te, tu, t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv) \ |
| /* Embedded 32-point asymmetric Type-IV fDST. */ \ |
| do { \ |
| int t0h; \ |
| int t1h; \ |
| int t4h; \ |
| int t5h; \ |
| int tqh; \ |
| int trh; \ |
| int tuh; \ |
| int tvh; \ |
| \ |
| tu = -tu; \ |
| \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 13573, 8192, 271); \ |
| t5 -= (tq*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 11585, 16384, 272); \ |
| tq += (t5*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 13573, 8192, 273); \ |
| t5 -= (tq*13573 + 8192) >> 14; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 29957, 16384, 274); \ |
| tp += (t6*29957 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(tp, 11585, 8192, 275); \ |
| t6 -= (tp*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 19195, 16384, 276); \ |
| tp -= (t6*19195 + 16384) >> 15; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 29957, 16384, 277); \ |
| tu += (t1*29957 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(tu, 11585, 8192, 278); \ |
| t1 -= (tu*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 19195, 16384, 279); \ |
| tu -= (t1*19195 + 16384) >> 15; \ |
| /* 28681/32768 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 28681, 16384, 280); \ |
| tt += (t2*28681 + 16384) >> 15; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(tt, 15137, 8192, 281); \ |
| t2 -= (tt*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 4161, 8192, 282); \ |
| tt += (t2*4161 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(ts, 4161, 8192, 283); \ |
| t3 += (ts*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 15137, 8192, 284); \ |
| ts -= (t3*15137 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(ts, 14341, 8192, 285); \ |
| t3 += (ts*14341 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 19195, 16384, 286); \ |
| t9 -= (tm*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 11585, 8192, 287); \ |
| tm -= (t9*11585 + 8192) >> 14; \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 7489, 4096, 288); \ |
| t9 += (tm*7489 + 4096) >> 13; \ |
| /* 3259/8192 ~= 2*Tan[Pi/16] ~= 0.397824734759316 */ \ |
| OD_DCT_OVERFLOW_CHECK(tl, 3259, 4096, 289); \ |
| ta += (tl*3259 + 4096) >> 13; \ |
| /* 3135/16384 ~= Sin[Pi/8]/2 ~= 0.1913417161825449 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 3135, 8192, 290); \ |
| tl -= (ta*3135 + 8192) >> 14; \ |
| /* 3259/8192 ~= 2*Tan[Pi/16] ~= 0.397824734759316 */ \ |
| OD_DCT_OVERFLOW_CHECK(tl, 3259, 4096, 291); \ |
| ta += (tl*3259 + 4096) >> 13; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(tk, 4161, 8192, 292); \ |
| tb += (tk*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 15137, 8192, 293); \ |
| tk -= (tb*15137 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(tk, 14341, 8192, 294); \ |
| tb += (tk*14341 + 8192) >> 14; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 29957, 16384, 295); \ |
| th += (te*29957 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| OD_DCT_OVERFLOW_CHECK(th, 11585, 8192, 296); \ |
| te -= (th*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 19195, 16384, 297); \ |
| th -= (te*19195 + 16384) >> 15; \ |
| /* 28681/32768 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 28681, 16384, 298); \ |
| tj += (tc*28681 + 16384) >> 15; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(tj, 15137, 8192, 299); \ |
| tc -= (tj*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 4161, 8192, 300); \ |
| tj += (tc*4161 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| OD_DCT_OVERFLOW_CHECK(ti, 4161, 8192, 301); \ |
| td += (ti*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 15137, 8192, 302); \ |
| ti -= (td*15137 + 8192) >> 14; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| OD_DCT_OVERFLOW_CHECK(ti, 14341, 8192, 303); \ |
| td += (ti*14341 + 8192) >> 14; \ |
| \ |
| t1 = -t1; \ |
| t2 = -t2; \ |
| t3 = -t3; \ |
| td = -td; \ |
| tg = -tg; \ |
| to = -to; \ |
| ts = -ts; \ |
| \ |
| tr -= OD_DCT_RSHIFT(t5, 1); \ |
| t5 += tr; \ |
| tq -= OD_DCT_RSHIFT(t4, 1); /* pass */ \ |
| t4 += tq; \ |
| t6 -= OD_DCT_RSHIFT(t7, 1); \ |
| t7 += t6; \ |
| to -= OD_DCT_RSHIFT(tp, 1); /* pass */ \ |
| tp += to; \ |
| t1 += OD_DCT_RSHIFT(t0, 1); /* pass */ \ |
| t0 -= t1; \ |
| tv -= OD_DCT_RSHIFT(tu, 1); \ |
| tu += tv; \ |
| t3 -= OD_DCT_RSHIFT(tt, 1); \ |
| tt += t3; \ |
| t2 += OD_DCT_RSHIFT(ts, 1); \ |
| ts -= t2; \ |
| t9 -= OD_DCT_RSHIFT(t8, 1); /* pass */ \ |
| t8 += t9; \ |
| tn += OD_DCT_RSHIFT(tm, 1); \ |
| tm -= tn; \ |
| tb += OD_DCT_RSHIFT(ta, 1); \ |
| ta -= tb; \ |
| tl -= OD_DCT_RSHIFT(tk, 1); \ |
| tk += tl; \ |
| te -= OD_DCT_RSHIFT(tf, 1); /* pass */ \ |
| tf += te; \ |
| tg -= OD_DCT_RSHIFT(th, 1); \ |
| th += tg; \ |
| tc -= OD_DCT_RSHIFT(ti, 1); \ |
| ti += tc; \ |
| td += OD_DCT_RSHIFT(tj, 1); \ |
| tj -= td; \ |
| \ |
| t4 = -t4; \ |
| \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.8206787908286602 */ \ |
| OD_DCT_OVERFLOW_CHECK(tr, 6723, 4096, 304); \ |
| t4 += (tr*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.9807852804032304 */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 16069, 8192, 305); \ |
| tr -= (t4*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.8206787908286602 */ \ |
| OD_DCT_OVERFLOW_CHECK(tr, 6723, 4096, 306); \ |
| t4 += (tr*6723 + 4096) >> 13; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.5345111359507916 */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 17515, 16384, 307); \ |
| t5 += (tq*17515 + 16384) >> 15; \ |
| /* 13623/16384 ~= Sin[5*Pi/16] ~= 0.8314696123025452 */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 13623, 8192, 308); \ |
| tq -= (t5*13623 + 8192) >> 14; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.5345111359507916 */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 17515, 16384, 309); \ |
| t5 += (tq*17515 + 16384) >> 15; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| OD_DCT_OVERFLOW_CHECK(to, 3227, 16384, 310); \ |
| t7 += (to*3227 + 16384) >> 15; \ |
| /* 6393/32768 ~= Sin[Pi/16] ~= 0.19509032201612825 */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 6393, 16384, 311); \ |
| to -= (t7*6393 + 16384) >> 15; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| OD_DCT_OVERFLOW_CHECK(to, 3227, 16384, 312); \ |
| t7 += (to*3227 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(tp, 2485, 4096, 313); \ |
| t6 += (tp*2485 + 4096) >> 13; \ |
| /* 18205/32768 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 18205, 16384, 314); \ |
| tp -= (t6*18205 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| OD_DCT_OVERFLOW_CHECK(tp, 2485, 4096, 315); \ |
| t6 += (tp*2485 + 4096) >> 13; \ |
| \ |
| t5 = -t5; \ |
| \ |
| tr += to; \ |
| trh = OD_DCT_RSHIFT(tr, 1); \ |
| to -= trh; \ |
| t4 += t7; \ |
| t4h = OD_DCT_RSHIFT(t4, 1); \ |
| t7 -= t4h; \ |
| t5 += tp; \ |
| t5h = OD_DCT_RSHIFT(t5, 1); \ |
| tp -= t5h; \ |
| tq += t6; \ |
| tqh = OD_DCT_RSHIFT(tq, 1); \ |
| t6 -= tqh; \ |
| t0 -= t3; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t3 += t0h; \ |
| tv -= ts; \ |
| tvh = OD_DCT_RSHIFT(tv, 1); \ |
| ts += tvh; \ |
| tu += tt; \ |
| tuh = OD_DCT_RSHIFT(tu, 1); \ |
| tt -= tuh; \ |
| t1 -= t2; \ |
| t1h = OD_DCT_RSHIFT(t1, 1); \ |
| t2 += t1h; \ |
| t8 += tb; \ |
| tb -= OD_DCT_RSHIFT(t8, 1); \ |
| tn += tk; \ |
| tk -= OD_DCT_RSHIFT(tn, 1); \ |
| t9 += tl; \ |
| tl -= OD_DCT_RSHIFT(t9, 1); \ |
| tm -= ta; \ |
| ta += OD_DCT_RSHIFT(tm, 1); \ |
| tc -= tf; \ |
| tf += OD_DCT_RSHIFT(tc, 1); \ |
| tj += tg; \ |
| tg -= OD_DCT_RSHIFT(tj, 1); \ |
| td -= te; \ |
| te += OD_DCT_RSHIFT(td, 1); \ |
| ti += th; \ |
| th -= OD_DCT_RSHIFT(ti, 1); \ |
| \ |
| t9 = -t9; \ |
| tl = -tl; \ |
| \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| OD_DCT_OVERFLOW_CHECK(tn, 805, 8192, 316); \ |
| t8 += (tn*805 + 8192) >> 14; \ |
| /* 803/8192 ~= Sin[Pi/32] ~= 0.0980171403295606 */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 803, 4096, 317); \ |
| tn -= (t8*803 + 4096) >> 13; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| OD_DCT_OVERFLOW_CHECK(tn, 805, 8192, 318); \ |
| t8 += (tn*805 + 8192) >> 14; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 11725, 16384, 319); \ |
| tk += (tb*11725 + 16384) >> 15; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.6343932841636455 */ \ |
| OD_DCT_OVERFLOW_CHECK(tk, 5197, 4096, 320); \ |
| tb -= (tk*5197 + 4096) >> 13; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 11725, 16384, 321); \ |
| tk += (tb*11725 + 16384) >> 15; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.5993769336819237 */ \ |
| OD_DCT_OVERFLOW_CHECK(tl, 2455, 2048, 322); \ |
| ta += (tl*2455 + 2048) >> 12; \ |
| /* 14449/16384 ~= Sin[11*Pi/32] ~= 0.881921264348355 */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 14449, 8192, 323); \ |
| tl -= (ta*14449 + 8192) >> 14; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.5993769336819237 */ \ |
| OD_DCT_OVERFLOW_CHECK(tl, 2455, 2048, 324); \ |
| ta += (tl*2455 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 4861, 16384, 325); \ |
| t9 += (tm*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.29028467725446233 */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 1189, 2048, 326); \ |
| tm -= (t9*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 4861, 16384, 327); \ |
| t9 += (tm*4861 + 16384) >> 15; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| OD_DCT_OVERFLOW_CHECK(tg, 805, 8192, 328); \ |
| tf += (tg*805 + 8192) >> 14; \ |
| /* 803/8192 ~= Sin[Pi/32] ~= 0.0980171403295606 */ \ |
| OD_DCT_OVERFLOW_CHECK(tf, 803, 4096, 329); \ |
| tg -= (tf*803 + 4096) >> 13; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| OD_DCT_OVERFLOW_CHECK(tg, 805, 8192, 330); \ |
| tf += (tg*805 + 8192) >> 14; \ |
| /* 2931/8192 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| OD_DCT_OVERFLOW_CHECK(tj, 2931, 4096, 331); \ |
| tc += (tj*2931 + 4096) >> 13; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.6343932841636455 */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 5197, 4096, 332); \ |
| tj -= (tc*5197 + 4096) >> 13; \ |
| /* 2931/8192 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| OD_DCT_OVERFLOW_CHECK(tj, 2931, 4096, 333); \ |
| tc += (tj*2931 + 4096) >> 13; \ |
| /* 513/2048 ~= Tan[5*Pi/64] ~= 0.25048696019130545 */ \ |
| OD_DCT_OVERFLOW_CHECK(ti, 513, 1024, 334); \ |
| td += (ti*513 + 1024) >> 11; \ |
| /* 7723/16384 ~= Sin[5*Pi/32] ~= 0.47139673682599764 */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 7723, 8192, 335); \ |
| ti -= (td*7723 + 8192) >> 14; \ |
| /* 513/2048 ~= Tan[5*Pi/64] ~= 0.25048696019130545 */ \ |
| OD_DCT_OVERFLOW_CHECK(ti, 513, 1024, 336); \ |
| td += (ti*513 + 1024) >> 11; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| OD_DCT_OVERFLOW_CHECK(th, 4861, 16384, 337); \ |
| te += (th*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.29028467725446233 */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 1189, 2048, 338); \ |
| th -= (te*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| OD_DCT_OVERFLOW_CHECK(th, 4861, 16384, 339); \ |
| te += (th*4861 + 16384) >> 15; \ |
| \ |
| ta = -ta; \ |
| tb = -tb; \ |
| \ |
| tt += t5h; \ |
| t5 -= tt; \ |
| t2 -= tqh; \ |
| tq += t2; \ |
| tp += t1h; \ |
| t1 -= tp; \ |
| t6 -= tuh; \ |
| tu += t6; \ |
| t7 += tvh; \ |
| tv -= t7; \ |
| to += t0h; \ |
| t0 -= to; \ |
| t3 -= t4h; \ |
| t4 += t3; \ |
| ts += trh; \ |
| tr -= ts; \ |
| tf -= OD_DCT_RSHIFT(tn, 1); \ |
| tn += tf; \ |
| tg -= OD_DCT_RSHIFT(t8, 1); \ |
| t8 += tg; \ |
| tk += OD_DCT_RSHIFT(tc, 1); \ |
| tc -= tk; \ |
| tb += OD_DCT_RSHIFT(tj, 1); \ |
| tj -= tb; \ |
| ta += OD_DCT_RSHIFT(ti, 1); \ |
| ti -= ta; \ |
| tl += OD_DCT_RSHIFT(td, 1); \ |
| td -= tl; \ |
| te -= OD_DCT_RSHIFT(tm, 1); \ |
| tm += te; \ |
| th -= OD_DCT_RSHIFT(t9, 1); \ |
| t9 += th; \ |
| ta -= t5; \ |
| t5 += OD_DCT_RSHIFT(ta, 1); \ |
| tq -= tl; \ |
| tl += OD_DCT_RSHIFT(tq, 1); \ |
| t2 -= ti; \ |
| ti += OD_DCT_RSHIFT(t2, 1); \ |
| td -= tt; \ |
| tt += OD_DCT_RSHIFT(td, 1); \ |
| tm += tp; \ |
| tp -= OD_DCT_RSHIFT(tm, 1); \ |
| t6 += t9; \ |
| t9 -= OD_DCT_RSHIFT(t6, 1); \ |
| te -= tu; \ |
| tu += OD_DCT_RSHIFT(te, 1); \ |
| t1 -= th; \ |
| th += OD_DCT_RSHIFT(t1, 1); \ |
| t0 -= tg; \ |
| tg += OD_DCT_RSHIFT(t0, 1); \ |
| tf += tv; \ |
| tv -= OD_DCT_RSHIFT(tf, 1); \ |
| t8 -= t7; \ |
| t7 += OD_DCT_RSHIFT(t8, 1); \ |
| to -= tn; \ |
| tn += OD_DCT_RSHIFT(to, 1); \ |
| t4 -= tk; \ |
| tk += OD_DCT_RSHIFT(t4, 1); \ |
| tb -= tr; \ |
| tr += OD_DCT_RSHIFT(tb, 1); \ |
| t3 -= tj; \ |
| tj += OD_DCT_RSHIFT(t3, 1); \ |
| tc -= ts; \ |
| ts += OD_DCT_RSHIFT(tc, 1); \ |
| \ |
| tr = -tr; \ |
| ts = -ts; \ |
| tt = -tt; \ |
| tu = -tu; \ |
| \ |
| /* 2847/4096 ~= (1/Sqrt[2] - Cos[63*Pi/128]/2)/Sin[63*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 2847, 2048, 340); \ |
| tv += (t0*2847 + 2048) >> 12; \ |
| /* 5791/4096 ~= Sqrt[2]*Sin[63*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tv, 5791, 2048, 341); \ |
| t0 -= (tv*5791 + 2048) >> 12; \ |
| /* 5593/8192 ~= (1/Sqrt[2] - Cos[63*Pi/128])/Sin[63*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t0, 5593, 4096, 342); \ |
| tv += (t0*5593 + 4096) >> 13; \ |
| /* 4099/8192 ~= (1/Sqrt[2] - Cos[31*Pi/128]/2)/Sin[31*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tf, 4099, 4096, 343); \ |
| tg -= (tf*4099 + 4096) >> 13; \ |
| /* 1997/2048 ~= Sqrt[2]*Sin[31*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tg, 1997, 1024, 344); \ |
| tf += (tg*1997 + 1024) >> 11; \ |
| /* -815/32768 ~= (1/Sqrt[2] - Cos[31*Pi/128])/Sin[31*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tf, 815, 16384, 345); \ |
| tg += (tf*815 + 16384) >> 15; \ |
| /* 2527/4096 ~= (1/Sqrt[2] - Cos[17*Pi/128]/2)/Sin[17*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 2527, 2048, 346); \ |
| tn -= (t8*2527 + 2048) >> 12; \ |
| /* 4695/8192 ~= Sqrt[2]*Sin[17*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tn, 4695, 4096, 347); \ |
| t8 += (tn*4695 + 4096) >> 13; \ |
| /* -4187/8192 ~= (1/Sqrt[2] - Cos[17*Pi/128])/Sin[17*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t8, 4187, 4096, 348); \ |
| tn += (t8*4187 + 4096) >> 13; \ |
| /* 5477/8192 ~= (1/Sqrt[2] - Cos[15*Pi/128]/2)/Sin[15*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(to, 5477, 4096, 349); \ |
| t7 += (to*5477 + 4096) >> 13; \ |
| /* 4169/8192 ~= Sqrt[2]*Sin[15*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t7, 4169, 4096, 350); \ |
| to -= (t7*4169 + 4096) >> 13; \ |
| /* -2571/4096 ~= (1/Sqrt[2] - Cos[15*Pi/128])/Sin[15*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(to, 2571, 2048, 351); \ |
| t7 -= (to*2571 + 2048) >> 12; \ |
| /* 5331/8192 ~= (1/Sqrt[2] - Cos[59*Pi/128]/2)/Sin[59*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 5331, 4096, 352); \ |
| tt += (t2*5331 + 4096) >> 13; \ |
| /* 5749/4096 ~= Sqrt[2]*Sin[59*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tt, 5749, 2048, 353); \ |
| t2 -= (tt*5749 + 2048) >> 12; \ |
| /* 2413/4096 ~= (1/Sqrt[2] - Cos[59*Pi/128])/Sin[59*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t2, 2413, 2048, 354); \ |
| tt += (t2*2413 + 2048) >> 12; \ |
| /* 4167/8192 ~= (1/Sqrt[2] - Cos[27*Pi/128]/2)/Sin[27*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 4167, 4096, 355); \ |
| ti -= (td*4167 + 4096) >> 13; \ |
| /* 891/1024 ~= Sqrt[2]*Sin[27*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(ti, 891, 512, 356); \ |
| td += (ti*891 + 512) >> 10; \ |
| /* -4327/32768 ~= (1/Sqrt[2] - Cos[27*Pi/128])/Sin[27*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(td, 4327, 16384, 357); \ |
| ti += (td*4327 + 16384) >> 15; \ |
| /* 2261/4096 ~= (1/Sqrt[2] - Cos[21*Pi/128]/2)/Sin[21*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 2261, 2048, 358); \ |
| tl -= (ta*2261 + 2048) >> 12; \ |
| /* 2855/4096 ~= Sqrt[2]*Sin[21*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tl, 2855, 2048, 359); \ |
| ta += (tl*2855 + 2048) >> 12; \ |
| /* -5417/16384 ~= (1/Sqrt[2] - Cos[21*Pi/128])/Sin[21*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(ta, 5417, 8192, 360); \ |
| tl += (ta*5417 + 8192) >> 14; \ |
| /* 3459/4096 ~= (1/Sqrt[2] - Cos[11*Pi/128]/2)/Sin[11*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 3459, 2048, 361); \ |
| t5 += (tq*3459 + 2048) >> 12; \ |
| /* 1545/4096 ~= Sqrt[2]*Sin[11*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t5, 1545, 2048, 362); \ |
| tq -= (t5*1545 + 2048) >> 12; \ |
| /* -1971/2048 ~= (1/Sqrt[2] - Cos[11*Pi/128])/Sin[11*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tq, 1971, 1024, 363); \ |
| t5 -= (tq*1971 + 1024) >> 11; \ |
| /* 323/512 ~= (1/Sqrt[2] - Cos[57*Pi/128]/2)/Sin[57*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 323, 256, 364); \ |
| ts += (t3*323 + 256) >> 9; \ |
| /* 5707/4096 ~= Sqrt[2]*Sin[57*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(ts, 5707, 2048, 365); \ |
| t3 -= (ts*5707 + 2048) >> 12; \ |
| /* 2229/4096 ~= (1/Sqrt[2] - Cos[57*Pi/128])/Sin[57*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t3, 2229, 2048, 366); \ |
| ts += (t3*2229 + 2048) >> 12; \ |
| /* 1061/2048 ~= (1/Sqrt[2] - Cos[25*Pi/128]/2)/Sin[25*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 1061, 1024, 367); \ |
| tj -= (tc*1061 + 1024) >> 11; \ |
| /* 6671/8192 ~= Sqrt[2]*Sin[25*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tj, 6671, 4096, 368); \ |
| tc += (tj*6671 + 4096) >> 13; \ |
| /* -6287/32768 ~= (1/Sqrt[2] - Cos[25*Pi/128])/Sin[25*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tc, 6287, 16384, 369); \ |
| tj += (tc*6287 + 16384) >> 15; \ |
| /* 4359/8192 ~= (1/Sqrt[2] - Cos[23*Pi/128]/2)/Sin[23*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 4359, 4096, 370); \ |
| tk -= (tb*4359 + 4096) >> 13; \ |
| /* 3099/4096 ~= Sqrt[2]*Sin[23*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tk, 3099, 2048, 371); \ |
| tb += (tk*3099 + 2048) >> 12; \ |
| /* -2109/8192 ~= (1/Sqrt[2] - Cos[23*Pi/128])/Sin[23*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tb, 2109, 4096, 372); \ |
| tk += (tb*2109 + 4096) >> 13; \ |
| /* 5017/8192 ~= (1/Sqrt[2] - Cos[55*Pi/128]/2)/Sin[55*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 5017, 4096, 373); \ |
| tr += (t4*5017 + 4096) >> 13; \ |
| /* 1413/1024 ~= Sqrt[2]*Sin[55*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tr, 1413, 512, 374); \ |
| t4 -= (tr*1413 + 512) >> 10; \ |
| /* 8195/16384 ~= (1/Sqrt[2] - Cos[55*Pi/128])/Sin[55*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t4, 8195, 8192, 375); \ |
| tr += (t4*8195 + 8192) >> 14; \ |
| /* 2373/4096 ~= (1/Sqrt[2] - Cos[19*Pi/128]/2)/Sin[19*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 2373, 2048, 376); \ |
| t9 += (tm*2373 + 2048) >> 12; \ |
| /* 5209/8192 ~= Sqrt[2]*Sin[19*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t9, 5209, 4096, 377); \ |
| tm -= (t9*5209 + 4096) >> 13; \ |
| /* -3391/8192 ~= (1/Sqrt[2] - Cos[19*Pi/128])/Sin[19*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tm, 3391, 4096, 378); \ |
| t9 -= (tm*3391 + 4096) >> 13; \ |
| /* 1517/2048 ~= (1/Sqrt[2] - Cos[13*Pi/128]/2)/Sin[13*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 1517, 1024, 379); \ |
| tp -= (t6*1517 + 1024) >> 11; \ |
| /* 1817/4096 ~= Sqrt[2]*Sin[13*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tp, 1817, 2048, 380); \ |
| t6 += (tp*1817 + 2048) >> 12; \ |
| /* -6331/8192 ~= (1/Sqrt[2] - Cos[13*Pi/128])/Sin[13*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t6, 6331, 4096, 381); \ |
| tp += (t6*6331 + 4096) >> 13; \ |
| /* 515/1024 ~= (1/Sqrt[2] - Cos[29*Pi/128]/2)/Sin[29*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 515, 512, 382); \ |
| th -= (te*515 + 512) >> 10; \ |
| /* 7567/8192 ~= Sqrt[2]*Sin[29*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(th, 7567, 4096, 383); \ |
| te += (th*7567 + 4096) >> 13; \ |
| /* -2513/32768 ~= (1/Sqrt[2] - Cos[29*Pi/128])/Sin[29*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(te, 2513, 16384, 384); \ |
| th += (te*2513 + 16384) >> 15; \ |
| /* 2753/4096 ~= (1/Sqrt[2] - Cos[61*Pi/128]/2)/Sin[61*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 2753, 2048, 385); \ |
| tu += (t1*2753 + 2048) >> 12; \ |
| /* 5777/4096 ~= Sqrt[2]*Sin[61*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(tu, 5777, 2048, 386); \ |
| t1 -= (tu*5777 + 2048) >> 12; \ |
| /* 1301/2048 ~= (1/Sqrt[2] - Cos[61*Pi/128])/Sin[61*Pi/128] */ \ |
| OD_DCT_OVERFLOW_CHECK(t1, 1301, 1024, 387); \ |
| tu += (t1*1301 + 1024) >> 11; \ |
| } \ |
| while (0) |
| |
| #define OD_IDST_32_ASYM(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, \ |
| tm, te, tu, t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv) \ |
| /* Embedded 32-point asymmetric Type-IV iDST. */ \ |
| do { \ |
| int t0h; \ |
| int t4h; \ |
| int tbh; \ |
| int tfh; \ |
| int tgh; \ |
| int tkh; \ |
| int trh; \ |
| int tvh; \ |
| /* 1301/2048 ~= (1/Sqrt[2] - Cos[61*Pi/128])/Sin[61*Pi/128] */ \ |
| tf -= (tg*1301 + 1024) >> 11; \ |
| /* 5777/4096 ~= Sqrt[2]*Sin[61*Pi/128] */ \ |
| tg += (tf*5777 + 2048) >> 12; \ |
| /* 2753/4096 ~= (1/Sqrt[2] - Cos[61*Pi/128]/2)/Sin[61*Pi/128] */ \ |
| tf -= (tg*2753 + 2048) >> 12; \ |
| /* -2513/32768 ~= (1/Sqrt[2] - Cos[29*Pi/128])/Sin[29*Pi/128] */ \ |
| th -= (te*2513 + 16384) >> 15; \ |
| /* 7567/8192 ~= Sqrt[2]*Sin[29*Pi/128] */ \ |
| te -= (th*7567 + 4096) >> 13; \ |
| /* 515/1024 ~= (1/Sqrt[2] - Cos[29*Pi/128]/2)/Sin[29*Pi/128] */ \ |
| th += (te*515 + 512) >> 10; \ |
| /* -6331/8192 ~= (1/Sqrt[2] - Cos[13*Pi/128])/Sin[13*Pi/128] */ \ |
| tj -= (tc*6331 + 4096) >> 13; \ |
| /* 1817/4096 ~= Sqrt[2]*Sin[13*Pi/128] */ \ |
| tc -= (tj*1817 + 2048) >> 12; \ |
| /* 1517/2048 ~= (1/Sqrt[2] - Cos[13*Pi/128]/2)/Sin[13*Pi/128] */ \ |
| tj += (tc*1517 + 1024) >> 11; \ |
| /* -3391/8192 ~= (1/Sqrt[2] - Cos[19*Pi/128])/Sin[19*Pi/128] */ \ |
| ti += (td*3391 + 4096) >> 13; \ |
| /* 5209/8192 ~= Sqrt[2]*Sin[19*Pi/128] */ \ |
| td += (ti*5209 + 4096) >> 13; \ |
| /* 2373/4096 ~= (1/Sqrt[2] - Cos[19*Pi/128]/2)/Sin[19*Pi/128] */ \ |
| ti -= (td*2373 + 2048) >> 12; \ |
| /* 8195/16384 ~= (1/Sqrt[2] - Cos[55*Pi/128])/Sin[55*Pi/128] */ \ |
| tr -= (t4*8195 + 8192) >> 14; \ |
| /* 1413/1024 ~= Sqrt[2]*Sin[55*Pi/128] */ \ |
| t4 += (tr*1413 + 512) >> 10; \ |
| /* 5017/8192 ~= (1/Sqrt[2] - Cos[55*Pi/128]/2)/Sin[55*Pi/128] */ \ |
| tr -= (t4*5017 + 4096) >> 13; \ |
| /* -2109/8192 ~= (1/Sqrt[2] - Cos[23*Pi/128])/Sin[23*Pi/128] */ \ |
| t5 -= (tq*2109 + 4096) >> 13; \ |
| /* 3099/4096 ~= Sqrt[2]*Sin[23*Pi/128] */ \ |
| tq -= (t5*3099 + 2048) >> 12; \ |
| /* 4359/8192 ~= (1/Sqrt[2] - Cos[23*Pi/128]/2)/Sin[23*Pi/128] */ \ |
| t5 += (tq*4359 + 4096) >> 13; \ |
| /* -6287/32768 ~= (1/Sqrt[2] - Cos[25*Pi/128])/Sin[25*Pi/128] */ \ |
| tp -= (t6*6287 + 16384) >> 15; \ |
| /* 6671/8192 ~= Sqrt[2]*Sin[25*Pi/128] */ \ |
| t6 -= (tp*6671 + 4096) >> 13; \ |
| /* 1061/2048 ~= (1/Sqrt[2] - Cos[25*Pi/128]/2)/Sin[25*Pi/128] */ \ |
| tp += (t6*1061 + 1024) >> 11; \ |
| /* 2229/4096 ~= (1/Sqrt[2] - Cos[57*Pi/128])/Sin[57*Pi/128] */ \ |
| t7 -= (to*2229 + 2048) >> 12; \ |
| /* 5707/4096 ~= Sqrt[2]*Sin[57*Pi/128] */ \ |
| to += (t7*5707 + 2048) >> 12; \ |
| /* 323/512 ~= (1/Sqrt[2] - Cos[57*Pi/128]/2)/Sin[57*Pi/128] */ \ |
| t7 -= (to*323 + 256) >> 9; \ |
| /* -1971/2048 ~= (1/Sqrt[2] - Cos[11*Pi/128])/Sin[11*Pi/128] */ \ |
| tk += (tb*1971 + 1024) >> 11; \ |
| /* 1545/4096 ~= Sqrt[2]*Sin[11*Pi/128] */ \ |
| tb += (tk*1545 + 2048) >> 12; \ |
| /* 3459/4096 ~= (1/Sqrt[2] - Cos[11*Pi/128]/2)/Sin[11*Pi/128] */ \ |
| tk -= (tb*3459 + 2048) >> 12; \ |
| /* -5417/16384 ~= (1/Sqrt[2] - Cos[21*Pi/128])/Sin[21*Pi/128] */ \ |
| tl -= (ta*5417 + 8192) >> 14; \ |
| /* 2855/4096 ~= Sqrt[2]*Sin[21*Pi/128] */ \ |
| ta -= (tl*2855 + 2048) >> 12; \ |
| /* 2261/4096 ~= (1/Sqrt[2] - Cos[21*Pi/128]/2)/Sin[21*Pi/128] */ \ |
| tl += (ta*2261 + 2048) >> 12; \ |
| /* -4327/32768 ~= (1/Sqrt[2] - Cos[27*Pi/128])/Sin[27*Pi/128] */ \ |
| t9 -= (tm*4327 + 16384) >> 15; \ |
| /* 891/1024 ~= Sqrt[2]*Sin[27*Pi/128] */ \ |
| tm -= (t9*891 + 512) >> 10; \ |
| /* 4167/8192 ~= (1/Sqrt[2] - Cos[27*Pi/128]/2)/Sin[27*Pi/128] */ \ |
| t9 += (tm*4167 + 4096) >> 13; \ |
| /* 2413/4096 ~= (1/Sqrt[2] - Cos[59*Pi/128])/Sin[59*Pi/128] */ \ |
| tn -= (t8*2413 + 2048) >> 12; \ |
| /* 5749/4096 ~= Sqrt[2]*Sin[59*Pi/128] */ \ |
| t8 += (tn*5749 + 2048) >> 12; \ |
| /* 5331/8192 ~= (1/Sqrt[2] - Cos[59*Pi/128]/2)/Sin[59*Pi/128] */ \ |
| tn -= (t8*5331 + 4096) >> 13; \ |
| /* -2571/4096 ~= (1/Sqrt[2] - Cos[15*Pi/128])/Sin[15*Pi/128] */ \ |
| ts += (t3*2571 + 2048) >> 12; \ |
| /* 4169/8192 ~= Sqrt[2]*Sin[15*Pi/128] */ \ |
| t3 += (ts*4169 + 4096) >> 13; \ |
| /* 5477/8192 ~= (1/Sqrt[2] - Cos[15*Pi/128]/2)/Sin[15*Pi/128] */ \ |
| ts -= (t3*5477 + 4096) >> 13; \ |
| /* -4187/8192 ~= (1/Sqrt[2] - Cos[17*Pi/128])/Sin[17*Pi/128] */ \ |
| tt -= (t2*4187 + 4096) >> 13; \ |
| /* 4695/8192 ~= Sqrt[2]*Sin[17*Pi/128] */ \ |
| t2 -= (tt*4695 + 4096) >> 13; \ |
| /* 2527/4096 ~= (1/Sqrt[2] - Cos[17*Pi/128]/2)/Sin[17*Pi/128] */ \ |
| tt += (t2*2527 + 2048) >> 12; \ |
| /* -815/32768 ~= (1/Sqrt[2] - Cos[31*Pi/128])/Sin[31*Pi/128] */ \ |
| t1 -= (tu*815 + 16384) >> 15; \ |
| /* 1997/2048 ~= Sqrt[2]*Sin[31*Pi/128] */ \ |
| tu -= (t1*1997 + 1024) >> 11; \ |
| /* 4099/8192 ~= (1/Sqrt[2] - Cos[31*Pi/128]/2)/Sin[31*Pi/128] */ \ |
| t1 += (tu*4099 + 4096) >> 13; \ |
| /* 5593/8192 ~= (1/Sqrt[2] - Cos[63*Pi/128])/Sin[63*Pi/128] */ \ |
| tv -= (t0*5593 + 4096) >> 13; \ |
| /* 5791/4096 ~= Sqrt[2]*Sin[63*Pi/128] */ \ |
| t0 += (tv*5791 + 2048) >> 12; \ |
| /* 2847/4096 ~= (1/Sqrt[2] - Cos[63*Pi/128]/2)/Sin[63*Pi/128] */ \ |
| tv -= (t0*2847 + 2048) >> 12; \ |
| \ |
| t7 = -t7; \ |
| tf = -tf; \ |
| tn = -tn; \ |
| tr = -tr; \ |
| \ |
| t7 -= OD_DCT_RSHIFT(t6, 1); \ |
| t6 += t7; \ |
| tp -= OD_DCT_RSHIFT(to, 1); \ |
| to += tp; \ |
| tr -= OD_DCT_RSHIFT(tq, 1); \ |
| tq += tr; \ |
| t5 -= OD_DCT_RSHIFT(t4, 1); \ |
| t4 += t5; \ |
| tt -= OD_DCT_RSHIFT(t3, 1); \ |
| t3 += tt; \ |
| ts -= OD_DCT_RSHIFT(t2, 1); \ |
| t2 += ts; \ |
| tv += OD_DCT_RSHIFT(tu, 1); \ |
| tu -= tv; \ |
| t1 -= OD_DCT_RSHIFT(t0, 1); \ |
| t0 += t1; \ |
| th -= OD_DCT_RSHIFT(tg, 1); \ |
| tg += th; \ |
| tf -= OD_DCT_RSHIFT(te, 1); \ |
| te += tf; \ |
| ti += OD_DCT_RSHIFT(tc, 1); \ |
| tc -= ti; \ |
| tj += OD_DCT_RSHIFT(td, 1); \ |
| td -= tj; \ |
| tn -= OD_DCT_RSHIFT(tm, 1); \ |
| tm += tn; \ |
| t9 -= OD_DCT_RSHIFT(t8, 1); \ |
| t8 += t9; \ |
| tl -= OD_DCT_RSHIFT(tb, 1); \ |
| tb += tl; \ |
| tk -= OD_DCT_RSHIFT(ta, 1); \ |
| ta += tk; \ |
| \ |
| ti -= th; \ |
| th += OD_DCT_RSHIFT(ti, 1); \ |
| td -= te; \ |
| te += OD_DCT_RSHIFT(td, 1); \ |
| tm += tl; \ |
| tl -= OD_DCT_RSHIFT(tm, 1); \ |
| t9 += ta; \ |
| ta -= OD_DCT_RSHIFT(t9, 1); \ |
| tp += tq; \ |
| tq -= OD_DCT_RSHIFT(tp, 1); \ |
| t6 += t5; \ |
| t5 -= OD_DCT_RSHIFT(t6, 1); \ |
| t2 -= t1; \ |
| t1 += OD_DCT_RSHIFT(t2, 1); \ |
| tt -= tu; \ |
| tu += OD_DCT_RSHIFT(tt, 1); \ |
| tr += t7; \ |
| trh = OD_DCT_RSHIFT(tr, 1); \ |
| t7 -= trh; \ |
| t4 -= to; \ |
| t4h = OD_DCT_RSHIFT(t4, 1); \ |
| to += t4h; \ |
| t0 += t3; \ |
| t0h = OD_DCT_RSHIFT(t0, 1); \ |
| t3 -= t0h; \ |
| tv += ts; \ |
| tvh = OD_DCT_RSHIFT(tv, 1); \ |
| ts -= tvh; \ |
| tf -= tc; \ |
| tfh = OD_DCT_RSHIFT(tf, 1); \ |
| tc += tfh; \ |
| tg += tj; \ |
| tgh = OD_DCT_RSHIFT(tg, 1); \ |
| tj -= tgh; \ |
| tb -= t8; \ |
| tbh = OD_DCT_RSHIFT(tb, 1); \ |
| t8 += tbh; \ |
| tk += tn; \ |
| tkh = OD_DCT_RSHIFT(tk, 1); \ |
| tn -= tkh; \ |
| \ |
| ta = -ta; \ |
| tq = -tq; \ |
| \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| te -= (th*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.29028467725446233 */ \ |
| th += (te*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| te -= (th*4861 + 16384) >> 15; \ |
| /* 513/2048 ~= Tan[5*Pi/64] ~= 0.25048696019130545 */ \ |
| tm -= (t9*513 + 1024) >> 11; \ |
| /* 7723/16384 ~= Sin[5*Pi/32] ~= 0.47139673682599764 */ \ |
| t9 += (tm*7723 + 8192) >> 14; \ |
| /* 513/2048 ~= Tan[5*Pi/64] ~= 0.25048696019130545 */ \ |
| tm -= (t9*513 + 1024) >> 11; \ |
| /* 2931/8192 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| t6 -= (tp*2931 + 4096) >> 13; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.6343932841636455 */ \ |
| tp += (t6*5197 + 4096) >> 13; \ |
| /* 2931/8192 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| t6 -= (tp*2931 + 4096) >> 13; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| tu -= (t1*805 + 8192) >> 14; \ |
| /* 803/8192 ~= Sin[Pi/32] ~= 0.0980171403295606 */ \ |
| t1 += (tu*803 + 4096) >> 13; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| tu -= (t1*805 + 8192) >> 14; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| ti -= (td*4861 + 16384) >> 15; \ |
| /* 1189/4096 ~= Sin[3*Pi/32] ~= 0.29028467725446233 */ \ |
| td += (ti*1189 + 2048) >> 12; \ |
| /* 4861/32768 ~= Tan[3*Pi/64] ~= 0.14833598753834742 */ \ |
| ti -= (td*4861 + 16384) >> 15; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.5993769336819237 */ \ |
| ta -= (tl*2455 + 2048) >> 12; \ |
| /* 14449/16384 ~= Sin[11*Pi/32] ~= 0.881921264348355 */ \ |
| tl += (ta*14449 + 8192) >> 14; \ |
| /* 2455/4096 ~= Tan[11*Pi/64] ~= 0.5993769336819237 */ \ |
| ta -= (tl*2455 + 2048) >> 12; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| t5 -= (tq*11725 + 16384) >> 15; \ |
| /* 5197/8192 ~= Sin[7*Pi/32] ~= 0.6343932841636455 */ \ |
| tq += (t5*5197 + 4096) >> 13; \ |
| /* 11725/32768 ~= Tan[7*Pi/64] ~= 0.3578057213145241 */ \ |
| t5 -= (tq*11725 + 16384) >> 15; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| t2 -= (tt*805 + 8192) >> 14; \ |
| /* 803/8192 ~= Sin[Pi/32] ~= 0.0980171403295606 */ \ |
| tt += (t2*803 + 4096) >> 13; \ |
| /* 805/16384 ~= Tan[Pi/64] ~= 0.04912684976946793 */ \ |
| t2 -= (tt*805 + 8192) >> 14; \ |
| \ |
| tl = -tl; \ |
| ti = -ti; \ |
| \ |
| th += OD_DCT_RSHIFT(t9, 1); \ |
| t9 -= th; \ |
| te -= OD_DCT_RSHIFT(tm, 1); \ |
| tm += te; \ |
| t1 += OD_DCT_RSHIFT(tp, 1); \ |
| tp -= t1; \ |
| tu -= OD_DCT_RSHIFT(t6, 1); \ |
| t6 += tu; \ |
| ta -= OD_DCT_RSHIFT(td, 1); \ |
| td += ta; \ |
| tl += OD_DCT_RSHIFT(ti, 1); \ |
| ti -= tl; \ |
| t5 += OD_DCT_RSHIFT(tt, 1); \ |
| tt -= t5; \ |
| tq += OD_DCT_RSHIFT(t2, 1); \ |
| t2 -= tq; \ |
| \ |
| t8 -= tgh; \ |
| tg += t8; \ |
| tn += tfh; \ |
| tf -= tn; \ |
| t7 -= tvh; \ |
| tv += t7; \ |
| to -= t0h; \ |
| t0 += to; \ |
| tc += tbh; \ |
| tb -= tc; \ |
| tj += tkh; \ |
| tk -= tj; \ |
| ts += t4h; \ |
| t4 -= ts; \ |
| t3 += trh; \ |
| tr -= t3; \ |
| \ |
| tk = -tk; \ |
| \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| tc -= (tj*2485 + 4096) >> 13; \ |
| /* 18205/32768 ~= Sin[3*Pi/16] ~= 0.555570233019602 */ \ |
| tj += (tc*18205 + 16384) >> 15; \ |
| /* 2485/8192 ~= Tan[3*Pi/32] ~= 0.303346683607342 */ \ |
| tc -= (tj*2485 + 4096) >> 13; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| ts -= (t3*3227 + 16384) >> 15; \ |
| /* 6393/32768 ~= Sin[Pi/16] ~= 0.19509032201612825 */ \ |
| t3 += (ts*6393 + 16384) >> 15; \ |
| /* 3227/32768 ~= Tan[Pi/32] ~= 0.09849140335716425 */ \ |
| ts -= (t3*3227 + 16384) >> 15; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.5345111359507916 */ \ |
| tk -= (tb*17515 + 16384) >> 15; \ |
| /* 13623/16384 ~= Sin[5*Pi/16] ~= 0.8314696123025452 */ \ |
| tb += (tk*13623 + 8192) >> 14; \ |
| /* 17515/32768 ~= Tan[5*Pi/32] ~= 0.5345111359507916 */ \ |
| tk -= (tb*17515 + 16384) >> 15; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.8206787908286602 */ \ |
| t4 -= (tr*6723 + 4096) >> 13; \ |
| /* 16069/16384 ~= Sin[7*Pi/16] ~= 0.9807852804032304 */ \ |
| tr += (t4*16069 + 8192) >> 14; \ |
| /* 6723/8192 ~= Tan[7*Pi/32] ~= 0.8206787908286602 */ \ |
| t4 -= (tr*6723 + 4096) >> 13; \ |
| \ |
| t4 = -t4; \ |
| \ |
| tp += tm; \ |
| tm -= OD_DCT_RSHIFT(tp, 1); \ |
| t9 -= t6; \ |
| t6 += OD_DCT_RSHIFT(t9, 1); \ |
| th -= t1; \ |
| t1 += OD_DCT_RSHIFT(th, 1); \ |
| tu -= te; \ |
| te += OD_DCT_RSHIFT(tu, 1); /* pass */ \ |
| t5 -= tl; \ |
| tl += OD_DCT_RSHIFT(t5, 1); \ |
| ta += tq; \ |
| tq -= OD_DCT_RSHIFT(ta, 1); \ |
| td += tt; \ |
| tt -= OD_DCT_RSHIFT(td, 1); \ |
| t2 -= ti; \ |
| ti += OD_DCT_RSHIFT(t2, 1); /* pass */ \ |
| t7 += t8; \ |
| t8 -= OD_DCT_RSHIFT(t7, 1); \ |
| tn -= to; \ |
| to += OD_DCT_RSHIFT(tn, 1); \ |
| tf -= tv; \ |
| tv += OD_DCT_RSHIFT(tf, 1); \ |
| t0 += tg; \ |
| tg -= OD_DCT_RSHIFT(t0, 1); /* pass */ \ |
| tj -= t3; \ |
| t3 += OD_DCT_RSHIFT(tj, 1); /* pass */ \ |
| ts -= tc; \ |
| tc += OD_DCT_RSHIFT(ts, 1); \ |
| t4 -= tb; \ |
| tb += OD_DCT_RSHIFT(t4, 1); /* pass */ \ |
| tk -= tr; \ |
| tr += OD_DCT_RSHIFT(tk, 1); \ |
| \ |
| t1 = -t1; \ |
| t3 = -t3; \ |
| t7 = -t7; \ |
| t8 = -t8; \ |
| tg = -tg; \ |
| tm = -tm; \ |
| to = -to; \ |
| \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| tm -= (t9*14341 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t9 += (tm*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| tm -= (t9*4161 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| tp -= (t6*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t6 += (tp*15137 + 8192) >> 14; \ |
| /* 28681/32768 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| tp -= (t6*28681 + 16384) >> 15; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| th += (te*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| te += (th*11585 + 8192) >> 14; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| th -= (te*29957 + 16384) >> 15; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| tq -= (t5*14341 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t5 += (tq*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| tq -= (t5*4161 + 8192) >> 14; \ |
| /* 3259/8192 ~= 2*Tan[Pi/16] ~= 0.397824734759316 */ \ |
| ta -= (tl*3259 + 4096) >> 13; \ |
| /* 3135/16384 ~= Sin[Pi/8]/2 ~= 0.1913417161825449 */ \ |
| tl += (ta*3135 + 8192) >> 14; \ |
| /* 3259/8192 ~= 2*Tan[Pi/16] ~= 0.397824734759316 */ \ |
| ta -= (tl*3259 + 4096) >> 13; \ |
| /* 7489/8192 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| ti -= (td*7489 + 4096) >> 13; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| td += (ti*11585 + 8192) >> 14; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| ti += (td*19195 + 16384) >> 15; \ |
| /* 14341/16384 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| to -= (t7*14341 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t7 += (to*15137 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| to -= (t7*4161 + 8192) >> 14; \ |
| /* 4161/16384 ~= Tan[3*Pi/16] - Tan[Pi/8] ~= 0.253965075546204 */ \ |
| tn -= (t8*4161 + 8192) >> 14; \ |
| /* 15137/16384 ~= Sin[3*Pi/8] ~= 0.923879532511287 */ \ |
| t8 += (tn*15137 + 8192) >> 14; \ |
| /* 28681/32768 ~= Tan[3*Pi/16] + Tan[Pi/8]/2 ~= 0.875285419105846 */ \ |
| tn -= (t8*28681 + 16384) >> 15; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| tf += (tg*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| tg += (tf*11585 + 8192) >> 14; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| tf -= (tg*29957 + 16384) >> 15; \ |
| /* -19195/32768 ~= Tan[Pi/8] - Tan[Pi/4] ~= -0.585786437626905 */ \ |
| tj += (tc*19195 + 16384) >> 15; \ |
| /* 11585/16384 ~= Sin[Pi/4] ~= 0.707106781186548 */ \ |
| tc += (tj*11585 + 8192) >> 14; \ |
| /* 29957/32768 ~= Tan[Pi/8] + Tan[Pi/4]/2 ~= 0.914213562373095 */ \ |
| tj -= (tc*29957 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| tk += (tb*13573 + 8192) >> 14; \ |
| /* 11585/32768 ~= Sin[Pi/4]/2 ~= 0.353553390593274 */ \ |
| tb -= (tk*11585 + 16384) >> 15; \ |
| /* 13573/16384 ~= 2*Tan[Pi/8] ~= 0.828427124746190 */ \ |
| tk += (tb*13573 + 8192) >> 14; \ |
| \ |
| tf = -tf; \ |
| \ |
| } \ |
| while (0) |
| |
| #define OD_FDCT_64(u0, uw, ug, uM, u8, uE, uo, uU, u4, uA, uk, uQ, uc, uI, \ |
| us, uY, u2, uy, ui, uO, ua, uG, uq, uW, u6, uC, um, uS, ue, uK, uu, u_, u1, \ |
| ux, uh, uN, u9, uF, up, uV, u5, uB, ul, uR, ud, uJ, ut, uZ, u3, uz, uj, uP, \ |
| ub, uH, ur, uX, u7, uD, un, uT, uf, uL, uv, u) \ |
| /* Embedded 64-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int uwh; \ |
| int uxh; \ |
| int uyh; \ |
| int uzh; \ |
| int uAh; \ |
| int uBh; \ |
| int uCh; \ |
| int uDh; \ |
| int uEh; \ |
| int uFh; \ |
| int uGh; \ |
| int uHh; \ |
| int uIh; \ |
| int uJh; \ |
| int uKh; \ |
| int uLh; \ |
| int uMh; \ |
| int uNh; \ |
| int uOh; \ |
| int uPh; \ |
| int uQh; \ |
| int uRh; \ |
| int uSh; \ |
| int uTh; \ |
| int uUh; \ |
| int uVh; \ |
| int uWh; \ |
| int uXh; \ |
| int uYh; \ |
| int uZh; \ |
| int u_h; \ |
| int uh_; \ |
| u = u0 - u; \ |
| uh_ = OD_DCT_RSHIFT(u, 1); \ |
| u0 -= uh_; \ |
| u_ += u1; \ |
| u_h = OD_DCT_RSHIFT(u_, 1); \ |
| u1 = u_h - u1; \ |
| uZ = u2 - uZ; \ |
| uZh = OD_DCT_RSHIFT(uZ, 1); \ |
| u2 -= uZh; \ |
| uY += u3; \ |
| uYh = OD_DCT_RSHIFT(uY, 1); \ |
| u3 = uYh - u3; \ |
| uX = u4 - uX; \ |
| uXh = OD_DCT_RSHIFT(uX, 1); \ |
| u4 -= uXh; \ |
| uW += u5; \ |
| uWh = OD_DCT_RSHIFT(uW, 1); \ |
| u5 = uWh - u5; \ |
| uV = u6 - uV; \ |
| uVh = OD_DCT_RSHIFT(uV, 1); \ |
| u6 -= uVh; \ |
| uU += u7; \ |
| uUh = OD_DCT_RSHIFT(uU, 1); \ |
| u7 = uUh - u7; \ |
| uT = u8 - uT; \ |
| uTh = OD_DCT_RSHIFT(uT, 1); \ |
| u8 -= uTh; \ |
| uS += u9; \ |
| uSh = OD_DCT_RSHIFT(uS, 1); \ |
| u9 = uSh - u9; \ |
| uR = ua - uR; \ |
| uRh = OD_DCT_RSHIFT(uR, 1); \ |
| ua -= uRh; \ |
| uQ += ub; \ |
| uQh = OD_DCT_RSHIFT(uQ, 1); \ |
| ub = uQh - ub; \ |
| uP = uc - uP; \ |
| uPh = OD_DCT_RSHIFT(uP, 1); \ |
| uc -= uPh; \ |
| uO += ud; \ |
| uOh = OD_DCT_RSHIFT(uO, 1); \ |
| ud = uOh - ud; \ |
| uN = ue - uN; \ |
| uNh = OD_DCT_RSHIFT(uN, 1); \ |
| ue -= uNh; \ |
| uM += uf; \ |
| uMh = OD_DCT_RSHIFT(uM, 1); \ |
| uf = uMh - uf; \ |
| uL = ug - uL; \ |
| uLh = OD_DCT_RSHIFT(uL, 1); \ |
| ug -= uLh; \ |
| uK += uh; \ |
| uKh = OD_DCT_RSHIFT(uK, 1); \ |
| uh = uKh - uh; \ |
| uJ = ui - uJ; \ |
| uJh = OD_DCT_RSHIFT(uJ, 1); \ |
| ui -= uJh; \ |
| uI += uj; \ |
| uIh = OD_DCT_RSHIFT(uI, 1); \ |
| uj = uIh - uj; \ |
| uH = uk - uH; \ |
| uHh = OD_DCT_RSHIFT(uH, 1); \ |
| uk -= uHh; \ |
| uG += ul; \ |
| uGh = OD_DCT_RSHIFT(uG, 1); \ |
| ul = uGh - ul; \ |
| uF = um - uF; \ |
| uFh = OD_DCT_RSHIFT(uF, 1); \ |
| um -= uFh; \ |
| uE += un; \ |
| uEh = OD_DCT_RSHIFT(uE, 1); \ |
| un = uEh - un; \ |
| uD = uo - uD; \ |
| uDh = OD_DCT_RSHIFT(uD, 1); \ |
| uo -= uDh; \ |
| uC += up; \ |
| uCh = OD_DCT_RSHIFT(uC, 1); \ |
| up = uCh - up; \ |
| uB = uq - uB; \ |
| uBh = OD_DCT_RSHIFT(uB, 1); \ |
| uq -= uBh; \ |
| uA += ur; \ |
| uAh = OD_DCT_RSHIFT(uA, 1); \ |
| ur = uAh - ur; \ |
| uz = us - uz; \ |
| uzh = OD_DCT_RSHIFT(uz, 1); \ |
| us -= uzh; \ |
| uy += ut; \ |
| uyh = OD_DCT_RSHIFT(uy, 1); \ |
| ut = uyh - ut; \ |
| ux = uu - ux; \ |
| uxh = OD_DCT_RSHIFT(ux, 1); \ |
| uu -= uxh; \ |
| uw += uv; \ |
| uwh = OD_DCT_RSHIFT(uw, 1); \ |
| uv = uwh - uv; \ |
| OD_FDCT_32_ASYM(u0, uw, uwh, ug, uM, uMh, u8, uE, uEh, uo, uU, uUh, \ |
| u4, uA, uAh, uk, uQ, uQh, uc, uI, uIh, us, uY, uYh, u2, uy, uyh, \ |
| ui, uO, uOh, ua, uG, uGh, uq, uW, uWh, u6, uC, uCh, um, uS, uSh, \ |
| ue, uK, uKh, uu, u_, u_h); \ |
| OD_FDST_32_ASYM(u, uv, uL, uf, uT, un, uD, u7, uX, ur, uH, ub, uP, uj, \ |
| uz, u3, uZ, ut, uJ, ud, uR, ul, uB, u5, uV, up, uF, u9, uN, uh, ux, u1); \ |
| } \ |
| while (0) |
| |
| #define OD_IDCT_64(u0, uw, ug, uM, u8, uE, uo, uU, u4, uA, uk, uQ, uc, uI, \ |
| us, uY, u2, uy, ui, uO, ua, uG, uq, uW, u6, uC, um, uS, ue, uK, uu, u_, u1, \ |
| ux, uh, uN, u9, uF, up, uV, u5, uB, ul, uR, ud, uJ, ut, uZ, u3, uz, uj, uP, \ |
| ub, uH, ur, uX, u7, uD, un, uT, uf, uL, uv, u) \ |
| /* Embedded 64-point orthonormal Type-II fDCT. */ \ |
| do { \ |
| int u1h; \ |
| int u3h; \ |
| int u5h; \ |
| int u7h; \ |
| int u9h; \ |
| int ubh; \ |
| int udh; \ |
| int ufh; \ |
| int uhh; \ |
| int ujh; \ |
| int ulh; \ |
| int unh; \ |
| int uph; \ |
| int urh; \ |
| int uth; \ |
| int uvh; \ |
| int uxh; \ |
| int uzh; \ |
| int uBh; \ |
| int uDh; \ |
| int uFh; \ |
| int uHh; \ |
| int uJh; \ |
| int uLh; \ |
| int uNh; \ |
| int uPh; \ |
| int uRh; \ |
| int uTh; \ |
| int uVh; \ |
| int uXh; \ |
| int uZh; \ |
| int uh_; \ |
| OD_IDST_32_ASYM(u, uL, uT, uD, uX, uH, uP, uz, uZ, uJ, uR, uB, uV, uF, \ |
| uN, ux, u_, uK, uS, uC, uW, uG, uO, uy, uY, uI, uQ, uA, uU, uE, uM, uw); \ |
| OD_IDCT_32_ASYM(u0, ug, u8, uo, u4, uk, uc, us, u2, ui, ua, uq, u6, um, \ |
| ue, uu, u1, u1h, uh, uhh, u9, u9h, up, uph, u5, u5h, ul, ulh, ud, udh, \ |
| ut, uth, u3, u3h, uj, ujh, ub, ubh, ur, urh, u7, u7h, un, unh, uf, ufh, \ |
| uv, uvh); \ |
| uh_ = OD_DCT_RSHIFT(u, 1); \ |
| u0 += uh_; \ |
| u = u0 - u; \ |
| u_ = u1h - u_; \ |
| u1 -= u_; \ |
| uZh = OD_DCT_RSHIFT(uZ, 1); \ |
| u2 += uZh; \ |
| uZ = u2 - uZ; \ |
| uY = u3h - uY; \ |
| u3 -= uY; \ |
| uXh = OD_DCT_RSHIFT(uX, 1); \ |
| u4 += uXh; \ |
| uX = u4 - uX; \ |
| uW = u5h - uW; \ |
| u5 -= uW; \ |
| uVh = OD_DCT_RSHIFT(uV, 1); \ |
| u6 += uVh; \ |
| uV = u6 - uV; \ |
| uU = u7h - uU; \ |
| u7 -= uU; \ |
| uTh = OD_DCT_RSHIFT(uT, 1); \ |
| u8 += uTh; \ |
| uT = u8 - uT; \ |
| uS = u9h - uS; \ |
| u9 -= uS; \ |
| uRh = OD_DCT_RSHIFT(uR, 1); \ |
| ua += uRh; \ |
| uR = ua - uR; \ |
| uQ = ubh - uQ; \ |
| ub -= uQ; \ |
| uPh = OD_DCT_RSHIFT(uP, 1); \ |
| uc += uPh; \ |
| uP = uc - uP; \ |
| uO = udh - uO; \ |
| ud -= uO; \ |
| uNh = OD_DCT_RSHIFT(uN, 1); \ |
| ue += uNh; \ |
| uN = ue - uN; \ |
| uM = ufh - uM; \ |
| uf -= uM; \ |
| uLh = OD_DCT_RSHIFT(uL, 1); \ |
| ug += uLh; \ |
| uL = ug - uL; \ |
| uK = uhh - uK; \ |
| uh -= uK; \ |
| uJh = OD_DCT_RSHIFT(uJ, 1); \ |
| ui += uJh; \ |
| uJ = ui - uJ; \ |
| uI = ujh - uI; \ |
| uj -= uI; \ |
| uHh = OD_DCT_RSHIFT(uH, 1); \ |
| uk += uHh; \ |
| uH = uk - uH; \ |
| uG = ulh - uG; \ |
| ul -= uG; \ |
| uFh = OD_DCT_RSHIFT(uF, 1); \ |
| um += uFh; \ |
| uF = um - uF; \ |
| uE = unh - uE; \ |
| un -= uE; \ |
| uDh = OD_DCT_RSHIFT(uD, 1); \ |
| uo += uDh; \ |
| uD = uo - uD; \ |
| uC = uph - uC; \ |
| up -= uC; \ |
| uBh = OD_DCT_RSHIFT(uB, 1); \ |
| uq += uBh; \ |
| uB = uq - uB; \ |
| uA = urh - uA; \ |
| ur -= uA; \ |
| uzh = OD_DCT_RSHIFT(uz, 1); \ |
| us += uzh; \ |
| uz = us - uz; \ |
| uy = uth - uy; \ |
| ut -= uy; \ |
| uxh = OD_DCT_RSHIFT(ux, 1); \ |
| uu += uxh; \ |
| ux = uu - ux; \ |
| uw = uvh - uw; \ |
| uv -= uw; \ |
| } while (0) |
| #endif |
| |
| void od_bin_fdct4(od_coeff y[4], const od_coeff *x, int xstride) { |
| int q0; |
| int q1; |
| int q2; |
| int q3; |
| q0 = x[0*xstride]; |
| q2 = x[1*xstride]; |
| q1 = x[2*xstride]; |
| q3 = x[3*xstride]; |
| OD_FDCT_4(q0, q2, q1, q3); |
| y[0] = (od_coeff)q0; |
| y[1] = (od_coeff)q1; |
| y[2] = (od_coeff)q2; |
| y[3] = (od_coeff)q3; |
| } |
| |
| void od_bin_idct4(od_coeff *x, int xstride, const od_coeff y[4]) { |
| int q0; |
| int q1; |
| int q2; |
| int q3; |
| q0 = y[0]; |
| q2 = y[1]; |
| q1 = y[2]; |
| q3 = y[3]; |
| OD_IDCT_4(q0, q2, q1, q3); |
| x[0*xstride] = q0; |
| x[1*xstride] = q1; |
| x[2*xstride] = q2; |
| x[3*xstride] = q3; |
| } |
| |
| void od_bin_fdst4(od_coeff y[4], const od_coeff *x, int xstride) { |
| int q0; |
| int q1; |
| int q2; |
| int q3; |
| q0 = x[3*xstride]; |
| q2 = x[2*xstride]; |
| q1 = x[1*xstride]; |
| q3 = x[0*xstride]; |
| OD_FDST_4(q0, q2, q1, q3); |
| y[0] = (od_coeff)q3; |
| y[1] = (od_coeff)q2; |
| y[2] = (od_coeff)q1; |
| y[3] = (od_coeff)q0; |
| } |
| |
| void od_bin_idst4(od_coeff *x, int xstride, const od_coeff y[4]) { |
| int q0; |
| int q1; |
| int q2; |
| int q3; |
| q0 = y[3]; |
| q2 = y[2]; |
| q1 = y[1]; |
| q3 = y[0]; |
| OD_IDST_4(q0, q2, q1, q3); |
| x[0*xstride] = q3; |
| x[1*xstride] = q2; |
| x[2*xstride] = q1; |
| x[3*xstride] = q0; |
| } |
| |
| void od_bin_fdct8(od_coeff y[8], const od_coeff *x, int xstride) { |
| int r0; |
| int r1; |
| int r2; |
| int r3; |
| int r4; |
| int r5; |
| int r6; |
| int r7; |
| r0 = x[0*xstride]; |
| r4 = x[1*xstride]; |
| r2 = x[2*xstride]; |
| r6 = x[3*xstride]; |
| r1 = x[4*xstride]; |
| r5 = x[5*xstride]; |
| r3 = x[6*xstride]; |
| r7 = x[7*xstride]; |
| OD_FDCT_8(r0, r4, r2, r6, r1, r5, r3, r7); |
| y[0] = (od_coeff)r0; |
| y[1] = (od_coeff)r1; |
| y[2] = (od_coeff)r2; |
| y[3] = (od_coeff)r3; |
| y[4] = (od_coeff)r4; |
| y[5] = (od_coeff)r5; |
| y[6] = (od_coeff)r6; |
| y[7] = (od_coeff)r7; |
| } |
| |
| void od_bin_idct8(od_coeff *x, int xstride, const od_coeff y[8]) { |
| int r0; |
| int r1; |
| int r2; |
| int r3; |
| int r4; |
| int r5; |
| int r6; |
| int r7; |
| r0 = y[0]; |
| r4 = y[1]; |
| r2 = y[2]; |
| r6 = y[3]; |
| r1 = y[4]; |
| r5 = y[5]; |
| r3 = y[6]; |
| r7 = y[7]; |
| OD_IDCT_8(r0, r4, r2, r6, r1, r5, r3, r7); |
| x[0*xstride] = (od_coeff)r0; |
| x[1*xstride] = (od_coeff)r1; |
| x[2*xstride] = (od_coeff)r2; |
| x[3*xstride] = (od_coeff)r3; |
| x[4*xstride] = (od_coeff)r4; |
| x[5*xstride] = (od_coeff)r5; |
| x[6*xstride] = (od_coeff)r6; |
| x[7*xstride] = (od_coeff)r7; |
| } |
| |
| void od_bin_fdst8(od_coeff y[8], const od_coeff *x, int xstride) { |
| int r0; |
| int r1; |
| int r2; |
| int r3; |
| int r4; |
| int r5; |
| int r6; |
| int r7; |
| r0 = x[0*xstride]; |
| r4 = x[1*xstride]; |
| r2 = x[2*xstride]; |
| r6 = x[3*xstride]; |
| r1 = x[4*xstride]; |
| r5 = x[5*xstride]; |
| r3 = x[6*xstride]; |
| r7 = x[7*xstride]; |
| OD_FDST_8(r0, r4, r2, r6, r1, r5, r3, r7); |
| y[0] = (od_coeff)r0; |
| y[1] = (od_coeff)r1; |
| y[2] = (od_coeff)r2; |
| y[3] = (od_coeff)r3; |
| y[4] = (od_coeff)r4; |
| y[5] = (od_coeff)r5; |
| y[6] = (od_coeff)r6; |
| y[7] = (od_coeff)r7; |
| } |
| |
| void od_bin_idst8(od_coeff *x, int xstride, const od_coeff y[8]) { |
| int r0; |
| int r1; |
| int r2; |
| int r3; |
| int r4; |
| int r5; |
| int r6; |
| int r7; |
| r0 = y[0]; |
| r4 = y[1]; |
| r2 = y[2]; |
| r6 = y[3]; |
| r1 = y[4]; |
| r5 = y[5]; |
| r3 = y[6]; |
| r7 = y[7]; |
| OD_IDST_8(r0, r4, r2, r6, r1, r5, r3, r7); |
| x[0*xstride] = (od_coeff)r0; |
| x[1*xstride] = (od_coeff)r1; |
| x[2*xstride] = (od_coeff)r2; |
| x[3*xstride] = (od_coeff)r3; |
| x[4*xstride] = (od_coeff)r4; |
| x[5*xstride] = (od_coeff)r5; |
| x[6*xstride] = (od_coeff)r6; |
| x[7*xstride] = (od_coeff)r7; |
| } |
| |
| void od_bin_fdct16(od_coeff y[16], const od_coeff *x, int xstride) { |
| int s0; |
| int s1; |
| int s2; |
| int s3; |
| int s4; |
| int s5; |
| int s6; |
| int s7; |
| int s8; |
| int s9; |
| int sa; |
| int sb; |
| int sc; |
| int sd; |
| int se; |
| int sf; |
| s0 = x[0*xstride]; |
| s8 = x[1*xstride]; |
| s4 = x[2*xstride]; |
| sc = x[3*xstride]; |
| s2 = x[4*xstride]; |
| sa = x[5*xstride]; |
| s6 = x[6*xstride]; |
| se = x[7*xstride]; |
| s1 = x[8*xstride]; |
| s9 = x[9*xstride]; |
| s5 = x[10*xstride]; |
| sd = x[11*xstride]; |
| s3 = x[12*xstride]; |
| sb = x[13*xstride]; |
| s7 = x[14*xstride]; |
| sf = x[15*xstride]; |
| OD_FDCT_16(s0, s8, s4, sc, s2, sa, s6, se, s1, s9, s5, sd, s3, sb, s7, sf); |
| y[0] = (od_coeff)s0; |
| y[1] = (od_coeff)s1; |
| y[2] = (od_coeff)s2; |
| y[3] = (od_coeff)s3; |
| y[4] = (od_coeff)s4; |
| y[5] = (od_coeff)s5; |
| y[6] = (od_coeff)s6; |
| y[7] = (od_coeff)s7; |
| y[8] = (od_coeff)s8; |
| y[9] = (od_coeff)s9; |
| y[10] = (od_coeff)sa; |
| y[11] = (od_coeff)sb; |
| y[12] = (od_coeff)sc; |
| y[13] = (od_coeff)sd; |
| y[14] = (od_coeff)se; |
| y[15] = (od_coeff)sf; |
| } |
| |
| void od_bin_idct16(od_coeff *x, int xstride, const od_coeff y[16]) { |
| int s0; |
| int s1; |
| int s2; |
| int s3; |
| int s4; |
| int s5; |
| int s6; |
| int s7; |
| int s8; |
| int s9; |
| int sa; |
| int sb; |
| int sc; |
| int sd; |
| int se; |
| int sf; |
| s0 = y[0]; |
| s8 = y[1]; |
| s4 = y[2]; |
| sc = y[3]; |
| s2 = y[4]; |
| sa = y[5]; |
| s6 = y[6]; |
| se = y[7]; |
| s1 = y[8]; |
| s9 = y[9]; |
| s5 = y[10]; |
| sd = y[11]; |
| s3 = y[12]; |
| sb = y[13]; |
| s7 = y[14]; |
| sf = y[15]; |
| OD_IDCT_16(s0, s8, s4, sc, s2, sa, s6, se, s1, s9, s5, sd, s3, sb, s7, sf); |
| x[0*xstride] = (od_coeff)s0; |
| x[1*xstride] = (od_coeff)s1; |
| x[2*xstride] = (od_coeff)s2; |
| x[3*xstride] = (od_coeff)s3; |
| x[4*xstride] = (od_coeff)s4; |
| x[5*xstride] = (od_coeff)s5; |
| x[6*xstride] = (od_coeff)s6; |
| x[7*xstride] = (od_coeff)s7; |
| x[8*xstride] = (od_coeff)s8; |
| x[9*xstride] = (od_coeff)s9; |
| x[10*xstride] = (od_coeff)sa; |
| x[11*xstride] = (od_coeff)sb; |
| x[12*xstride] = (od_coeff)sc; |
| x[13*xstride] = (od_coeff)sd; |
| x[14*xstride] = (od_coeff)se; |
| x[15*xstride] = (od_coeff)sf; |
| } |
| |
| void od_bin_fdst16(od_coeff y[16], const od_coeff *x, int xstride) { |
| int s0; |
| int s1; |
| int s2; |
| int s3; |
| int s4; |
| int s5; |
| int s6; |
| int s7; |
| int s8; |
| int s9; |
| int sa; |
| int sb; |
| int sc; |
| int sd; |
| int se; |
| int sf; |
| s0 = x[15*xstride]; |
| s8 = x[14*xstride]; |
| s4 = x[13*xstride]; |
| sc = x[12*xstride]; |
| s2 = x[11*xstride]; |
| sa = x[10*xstride]; |
| s6 = x[9*xstride]; |
| se = x[8*xstride]; |
| s1 = x[7*xstride]; |
| s9 = x[6*xstride]; |
| s5 = x[5*xstride]; |
| sd = x[4*xstride]; |
| s3 = x[3*xstride]; |
| sb = x[2*xstride]; |
| s7 = x[1*xstride]; |
| sf = x[0*xstride]; |
| OD_FDST_16(s0, s8, s4, sc, s2, sa, s6, se, s1, s9, s5, sd, s3, sb, s7, sf); |
| y[0] = (od_coeff)sf; |
| y[1] = (od_coeff)se; |
| y[2] = (od_coeff)sd; |
| y[3] = (od_coeff)sc; |
| y[4] = (od_coeff)sb; |
| y[5] = (od_coeff)sa; |
| y[6] = (od_coeff)s9; |
| y[7] = (od_coeff)s8; |
| y[8] = (od_coeff)s7; |
| y[9] = (od_coeff)s6; |
| y[10] = (od_coeff)s5; |
| y[11] = (od_coeff)s4; |
| y[12] = (od_coeff)s3; |
| y[13] = (od_coeff)s2; |
| y[14] = (od_coeff)s1; |
| y[15] = (od_coeff)s0; |
| } |
| |
| void od_bin_idst16(od_coeff *x, int xstride, const od_coeff y[16]) { |
| int s0; |
| int s1; |
| int s2; |
| int s3; |
| int s4; |
| int s5; |
| int s6; |
| int s7; |
| int s8; |
| int s9; |
| int sa; |
| int sb; |
| int sc; |
| int sd; |
| int se; |
| int sf; |
| s0 = y[15]; |
| s8 = y[14]; |
| s4 = y[13]; |
| sc = y[12]; |
| s2 = y[11]; |
| sa = y[10]; |
| s6 = y[9]; |
| se = y[8]; |
| s1 = y[7]; |
| s9 = y[6]; |
| s5 = y[5]; |
| sd = y[4]; |
| s3 = y[3]; |
| sb = y[2]; |
| s7 = y[1]; |
| sf = y[0]; |
| OD_IDST_16(s0, s8, s4, sc, s2, sa, s6, se, s1, s9, s5, sd, s3, sb, s7, sf); |
| x[0*xstride] = (od_coeff)sf; |
| x[1*xstride] = (od_coeff)se; |
| x[2*xstride] = (od_coeff)sd; |
| x[3*xstride] = (od_coeff)sc; |
| x[4*xstride] = (od_coeff)sb; |
| x[5*xstride] = (od_coeff)sa; |
| x[6*xstride] = (od_coeff)s9; |
| x[7*xstride] = (od_coeff)s8; |
| x[8*xstride] = (od_coeff)s7; |
| x[9*xstride] = (od_coeff)s6; |
| x[10*xstride] = (od_coeff)s5; |
| x[11*xstride] = (od_coeff)s4; |
| x[12*xstride] = (od_coeff)s3; |
| x[13*xstride] = (od_coeff)s2; |
| x[14*xstride] = (od_coeff)s1; |
| x[15*xstride] = (od_coeff)s0; |
| } |
| |
| void od_bin_fdct32(od_coeff y[32], const od_coeff *x, int xstride) { |
| /*215 adds, 38 shifts, 87 "muls".*/ |
| int t0; |
| int t1; |
| int t2; |
| int t3; |
| int t4; |
| int t5; |
| int t6; |
| int t7; |
| int t8; |
| int t9; |
| int ta; |
| int tb; |
| int tc; |
| int td; |
| int te; |
| int tf; |
| int tg; |
| int th; |
| int ti; |
| int tj; |
| int tk; |
| int tl; |
| int tm; |
| int tn; |
| int to; |
| int tp; |
| int tq; |
| int tr; |
| int ts; |
| int tt; |
| int tu; |
| int tv; |
| t0 = x[0*xstride]; |
| tg = x[1*xstride]; |
| t8 = x[2*xstride]; |
| to = x[3*xstride]; |
| t4 = x[4*xstride]; |
| tk = x[5*xstride]; |
| tc = x[6*xstride]; |
| ts = x[7*xstride]; |
| t2 = x[8*xstride]; |
| ti = x[9*xstride]; |
| ta = x[10*xstride]; |
| tq = x[11*xstride]; |
| t6 = x[12*xstride]; |
| tm = x[13*xstride]; |
| te = x[14*xstride]; |
| tu = x[15*xstride]; |
| t1 = x[16*xstride]; |
| th = x[17*xstride]; |
| t9 = x[18*xstride]; |
| tp = x[19*xstride]; |
| t5 = x[20*xstride]; |
| tl = x[21*xstride]; |
| td = x[22*xstride]; |
| tt = x[23*xstride]; |
| t3 = x[24*xstride]; |
| tj = x[25*xstride]; |
| tb = x[26*xstride]; |
| tr = x[27*xstride]; |
| t7 = x[28*xstride]; |
| tn = x[29*xstride]; |
| tf = x[30*xstride]; |
| tv = x[31*xstride]; |
| OD_FDCT_32(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, tm, te, tu, |
| t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv); |
| y[0] = (od_coeff)t0; |
| y[1] = (od_coeff)t1; |
| y[2] = (od_coeff)t2; |
| y[3] = (od_coeff)t3; |
| y[4] = (od_coeff)t4; |
| y[5] = (od_coeff)t5; |
| y[6] = (od_coeff)t6; |
| y[7] = (od_coeff)t7; |
| y[8] = (od_coeff)t8; |
| y[9] = (od_coeff)t9; |
| y[10] = (od_coeff)ta; |
| y[11] = (od_coeff)tb; |
| y[12] = (od_coeff)tc; |
| y[13] = (od_coeff)td; |
| y[14] = (od_coeff)te; |
| y[15] = (od_coeff)tf; |
| y[16] = (od_coeff)tg; |
| y[17] = (od_coeff)th; |
| y[18] = (od_coeff)ti; |
| y[19] = (od_coeff)tj; |
| y[20] = (od_coeff)tk; |
| y[21] = (od_coeff)tl; |
| y[22] = (od_coeff)tm; |
| y[23] = (od_coeff)tn; |
| y[24] = (od_coeff)to; |
| y[25] = (od_coeff)tp; |
| y[26] = (od_coeff)tq; |
| y[27] = (od_coeff)tr; |
| y[28] = (od_coeff)ts; |
| y[29] = (od_coeff)tt; |
| y[30] = (od_coeff)tu; |
| y[31] = (od_coeff)tv; |
| } |
| |
| void od_bin_idct32(od_coeff *x, int xstride, const od_coeff y[32]) { |
| int t0; |
| int t1; |
| int t2; |
| int t3; |
| int t4; |
| int t5; |
| int t6; |
| int t7; |
| int t8; |
| int t9; |
| int ta; |
| int tb; |
| int tc; |
| int td; |
| int te; |
| int tf; |
| int tg; |
| int th; |
| int ti; |
| int tj; |
| int tk; |
| int tl; |
| int tm; |
| int tn; |
| int to; |
| int tp; |
| int tq; |
| int tr; |
| int ts; |
| int tt; |
| int tu; |
| int tv; |
| t0 = y[0]; |
| tg = y[1]; |
| t8 = y[2]; |
| to = y[3]; |
| t4 = y[4]; |
| tk = y[5]; |
| tc = y[6]; |
| ts = y[7]; |
| t2 = y[8]; |
| ti = y[9]; |
| ta = y[10]; |
| tq = y[11]; |
| t6 = y[12]; |
| tm = y[13]; |
| te = y[14]; |
| tu = y[15]; |
| t1 = y[16]; |
| th = y[17]; |
| t9 = y[18]; |
| tp = y[19]; |
| t5 = y[20]; |
| tl = y[21]; |
| td = y[22]; |
| tt = y[23]; |
| t3 = y[24]; |
| tj = y[25]; |
| tb = y[26]; |
| tr = y[27]; |
| t7 = y[28]; |
| tn = y[29]; |
| tf = y[30]; |
| tv = y[31]; |
| OD_IDCT_32(t0, tg, t8, to, t4, tk, tc, ts, t2, ti, ta, tq, t6, tm, te, tu, |
| t1, th, t9, tp, t5, tl, td, tt, t3, tj, tb, tr, t7, tn, tf, tv); |
| x[0*xstride] = (od_coeff)t0; |
| x[1*xstride] = (od_coeff)t1; |
| x[2*xstride] = (od_coeff)t2; |
| x[3*xstride] = (od_coeff)t3; |
| x[4*xstride] = (od_coeff)t4; |
| x[5*xstride] = (od_coeff)t5; |
| x[6*xstride] = (od_coeff)t6; |
| x[7*xstride] = (od_coeff)t7; |
| x[8*xstride] = (od_coeff)t8; |
| x[9*xstride] = (od_coeff)t9; |
| x[10*xstride] = (od_coeff)ta; |
| x[11*xstride] = (od_coeff)tb; |
| x[12*xstride] = (od_coeff)tc; |
| x[13*xstride] = (od_coeff)td; |
| x[14*xstride] = (od_coeff)te; |
| x[15*xstride] = (od_coeff)tf; |
| x[16*xstride] = (od_coeff)tg; |
| x[17*xstride] = (od_coeff)th; |
| x[18*xstride] = (od_coeff)ti; |
| x[19*xstride] = (od_coeff)tj; |
| x[20*xstride] = (od_coeff)tk; |
| x[21*xstride] = (od_coeff)tl; |
| x[22*xstride] = (od_coeff)tm; |
| x[23*xstride] = (od_coeff)tn; |
| x[24*xstride] = (od_coeff)to; |
| x[25*xstride] = (od_coeff)tp; |
| x[26*xstride] = (od_coeff)tq; |
| x[27*xstride] = (od_coeff)tr; |
| x[28*xstride] = (od_coeff)ts; |
| x[29*xstride] = (od_coeff)tt; |
| x[30*xstride] = (od_coeff)tu; |
| x[31*xstride] = (od_coeff)tv; |
| } |
| |
| #if CONFIG_TX64X64 |
| void od_bin_fdct64(od_coeff y[64], const od_coeff *x, int xstride) { |
| int t0; |
| int t1; |
| int t2; |
| int t3; |
| int t4; |
| int t5; |
| int t6; |
| int t7; |
| int t8; |
| int t9; |
| int ta; |
| int tb; |
| int tc; |
| int td; |
| int te; |
| int tf; |
| int tg; |
| int th; |
| int ti; |
| int tj; |
| int tk; |
| int tl; |
| int tm; |
| int tn; |
| int to; |
| int tp; |
| int tq; |
| int tr; |
| int ts; |
| int tt; |
| int tu; |
| int tv; |
| int tw; |
| int tx; |
| int ty; |
| int tz; |
| int tA; |
| int tB; |
| int tC; |
| int tD; |
| int tE; |
| int tF; |
| int tG; |
| int tH; |
| int tI; |
| int tJ; |
| int tK; |
| int tL; |
| int tM; |
| int tN; |
| int tO; |
| int tP; |
| int tQ; |
| int tR; |
| int tS; |
| int tT; |
| int tU; |
| int tV; |
| int tW; |
| int tX; |
| int tY; |
| int tZ; |
| int t_; |
| int t; |
| t0 = x[0*xstride]; |
| tw = x[1*xstride]; |
| tg = x[2*xstride]; |
| tM = x[3*xstride]; |
| t8 = x[4*xstride]; |
| tE = x[5*xstride]; |
| to = x[6*xstride]; |
| tU = x[7*xstride]; |
| t4 = x[8*xstride]; |
| tA = x[9*xstride]; |
| tk = x[10*xstride]; |
| tQ = x[11*xstride]; |
| tc = x[12*xstride]; |
| tI = x[13*xstride]; |
| ts = x[14*xstride]; |
| tY = x[15*xstride]; |
| t2 = x[16*xstride]; |
| ty = x[17*xstride]; |
| ti = x[18*xstride]; |
| tO = x[19*xstride]; |
| ta = x[20*xstride]; |
| tG = x[21*xstride]; |
| tq = x[22*xstride]; |
| tW = x[23*xstride]; |
| t6 = x[24*xstride]; |
| tC = x[25*xstride]; |
| tm = x[26*xstride]; |
| tS = x[27*xstride]; |
| te = x[28*xstride]; |
| tK = x[29*xstride]; |
| tu = x[30*xstride]; |
| t_ = x[31*xstride]; |
| t1 = x[32*xstride]; |
| tx = x[33*xstride]; |
| th = x[34*xstride]; |
| tN = x[35*xstride]; |
| t9 = x[36*xstride]; |
| tF = x[37*xstride]; |
| tp = x[38*xstride]; |
| tV = x[39*xstride]; |
| t5 = x[40*xstride]; |
| tB = x[41*xstride]; |
| tl = x[42*xstride]; |
| tR = x[43*xstride]; |
| td = x[44*xstride]; |
| tJ = x[45*xstride]; |
| tt = x[46*xstride]; |
| tZ = x[47*xstride]; |
| t3 = x[48*xstride]; |
| tz = x[49*xstride]; |
| tj = x[50*xstride]; |
| tP = x[51*xstride]; |
| tb = x[52*xstride]; |
| tH = x[53*xstride]; |
| tr = x[54*xstride]; |
| tX = x[55*xstride]; |
| t7 = x[56*xstride]; |
| tD = x[57*xstride]; |
| tn = x[58*xstride]; |
| tT = x[59*xstride]; |
| tf = x[60*xstride]; |
| tL = x[61*xstride]; |
| tv = x[62*xstride]; |
| t = x[63*xstride]; |
| OD_FDCT_64(t0, tw, tg, tM, t8, tE, to, tU, t4, tA, tk, tQ, tc, tI, ts, tY, |
| t2, ty, ti, tO, ta, tG, tq, tW, t6, tC, tm, tS, te, tK, tu, t_, t1, tx, |
| th, tN, t9, tF, tp, tV, t5, tB, tl, tR, td, tJ, tt, tZ, t3, tz, tj, tP, |
| tb, tH, tr, tX, t7, tD, tn, tT, tf, tL, tv, t); |
| y[0] = (od_coeff)t0; |
| y[1] = (od_coeff)t1; |
| y[2] = (od_coeff)t2; |
| y[3] = (od_coeff)t3; |
| y[4] = (od_coeff)t4; |
| y[5] = (od_coeff)t5; |
| y[6] = (od_coeff)t6; |
| y[7] = (od_coeff)t7; |
| y[8] = (od_coeff)t8; |
| y[9] = (od_coeff)t9; |
| y[10] = (od_coeff)ta; |
| y[11] = (od_coeff)tb; |
| y[12] = (od_coeff)tc; |
| y[13] = (od_coeff)td; |
| y[14] = (od_coeff)te; |
| y[15] = (od_coeff)tf; |
| y[16] = (od_coeff)tg; |
| y[17] = (od_coeff)th; |
| y[18] = (od_coeff)ti; |
| y[19] = (od_coeff)tj; |
| y[20] = (od_coeff)tk; |
| y[21] = (od_coeff)tl; |
| y[22] = (od_coeff)tm; |
| y[23] = (od_coeff)tn; |
| y[24] = (od_coeff)to; |
| y[25] = (od_coeff)tp; |
| y[26] = (od_coeff)tq; |
| y[27] = (od_coeff)tr; |
| y[28] = (od_coeff)ts; |
| y[29] = (od_coeff)tt; |
| y[30] = (od_coeff)tu; |
| y[31] = (od_coeff)tv; |
| y[32] = (od_coeff)tw; |
| y[33] = (od_coeff)tx; |
| y[34] = (od_coeff)ty; |
| y[35] = (od_coeff)tz; |
| y[36] = (od_coeff)tA; |
| y[37] = (od_coeff)tB; |
| y[38] = (od_coeff)tC; |
| y[39] = (od_coeff)tD; |
| y[40] = (od_coeff)tE; |
| y[41] = (od_coeff)tF; |
| y[41] = (od_coeff)tF; |
| y[42] = (od_coeff)tG; |
| y[43] = (od_coeff)tH; |
| y[44] = (od_coeff)tI; |
| y[45] = (od_coeff)tJ; |
| y[46] = (od_coeff)tK; |
| y[47] = (od_coeff)tL; |
| y[48] = (od_coeff)tM; |
| y[49] = (od_coeff)tN; |
| y[50] = (od_coeff)tO; |
| y[51] = (od_coeff)tP; |
| y[52] = (od_coeff)tQ; |
| y[53] = (od_coeff)tR; |
| y[54] = (od_coeff)tS; |
| y[55] = (od_coeff)tT; |
| y[56] = (od_coeff)tU; |
| y[57] = (od_coeff)tV; |
| y[58] = (od_coeff)tW; |
| y[59] = (od_coeff)tX; |
| y[60] = (od_coeff)tY; |
| y[61] = (od_coeff)tZ; |
| y[62] = (od_coeff)t_; |
| y[63] = (od_coeff)t; |
| } |
| |
| void od_bin_idct64(od_coeff *x, int xstride, const od_coeff y[64]) { |
| int t0; |
| int t1; |
| int t2; |
| int t3; |
| int t4; |
| int t5; |
| int t6; |
| int t7; |
| int t8; |
| int t9; |
| int ta; |
| int tb; |
| int tc; |
| int td; |
| int te; |
| int tf; |
| int tg; |
| int th; |
| int ti; |
| int tj; |
| int tk; |
| int tl; |
| int tm; |
| int tn; |
| int to; |
| int tp; |
| int tq; |
| int tr; |
| int ts; |
| int tt; |
| int tu; |
| int tv; |
| int tw; |
| int tx; |
| int ty; |
| int tz; |
| int tA; |
| int tB; |
| int tC; |
| int tD; |
| int tE; |
| int tF; |
| int tG; |
| int tH; |
| int tI; |
| int tJ; |
| int tK; |
| int tL; |
| int tM; |
| int tN; |
| int tO; |
| int tP; |
| int tQ; |
| int tR; |
| int tS; |
| int tT; |
| int tU; |
| int tV; |
| int tW; |
| int tX; |
| int tY; |
| int tZ; |
| int t_; |
| int t; |
| t0 = y[0]; |
| tw = y[1]; |
| tg = y[2]; |
| tM = y[3]; |
| t8 = y[4]; |
| tE = y[5]; |
| to = y[6]; |
| tU = y[7]; |
| t4 = y[8]; |
| tA = y[9]; |
| tk = y[10]; |
| tQ = y[11]; |
| tc = y[12]; |
| tI = y[13]; |
| ts = y[14]; |
| tY = y[15]; |
| t2 = y[16]; |
| ty = y[17]; |
| ti = y[18]; |
| tO = y[19]; |
| ta = y[20]; |
| tG = y[21]; |
| tq = y[22]; |
| tW = y[23]; |
| t6 = y[24]; |
| tC = y[25]; |
| tm = y[26]; |
| tS = y[27]; |
| te = y[28]; |
| tK = y[29]; |
| tu = y[30]; |
| t_ = y[31]; |
| t1 = y[32]; |
| tx = y[33]; |
| th = y[34]; |
| tN = y[35]; |
| t9 = y[36]; |
| tF = y[37]; |
| tp = y[38]; |
| tV = y[39]; |
| t5 = y[40]; |
| tB = y[41]; |
| tl = y[42]; |
| tR = y[43]; |
| td = y[44]; |
| tJ = y[45]; |
| tt = y[46]; |
| tZ = y[47]; |
| t3 = y[48]; |
| tz = y[49]; |
| tj = y[50]; |
| tP = y[51]; |
| tb = y[52]; |
| tH = y[53]; |
| tr = y[54]; |
| tX = y[55]; |
| t7 = y[56]; |
| tD = y[57]; |
| tn = y[58]; |
| tT = y[59]; |
| tf = y[60]; |
| tL = y[61]; |
| tv = y[62]; |
| t = y[63]; |
| OD_IDCT_64(t0, tw, tg, tM, t8, tE, to, tU, t4, tA, tk, tQ, tc, tI, ts, tY, |
| t2, ty, ti, tO, ta, tG, tq, tW, t6, tC, tm, tS, te, tK, tu, t_, t1, tx, |
| th, tN, t9, tF, tp, tV, t5, tB, tl, tR, td, tJ, tt, tZ, t3, tz, tj, tP, |
| tb, tH, tr, tX, t7, tD, tn, tT, tf, tL, tv, t); |
| x[0*xstride] = (od_coeff)t0; |
| x[1*xstride] = (od_coeff)t1; |
| x[2*xstride] = (od_coeff)t2; |
| x[3*xstride] = (od_coeff)t3; |
| x[4*xstride] = (od_coeff)t4; |
| x[5*xstride] = (od_coeff)t5; |
| x[6*xstride] = (od_coeff)t6; |
| x[7*xstride] = (od_coeff)t7; |
| x[8*xstride] = (od_coeff)t8; |
| x[9*xstride] = (od_coeff)t9; |
| x[10*xstride] = (od_coeff)ta; |
| x[11*xstride] = (od_coeff)tb; |
| x[12*xstride] = (od_coeff)tc; |
| x[13*xstride] = (od_coeff)td; |
| x[14*xstride] = (od_coeff)te; |
| x[15*xstride] = (od_coeff)tf; |
| x[16*xstride] = (od_coeff)tg; |
| x[17*xstride] = (od_coeff)th; |
| x[18*xstride] = (od_coeff)ti; |
| x[19*xstride] = (od_coeff)tj; |
| x[20*xstride] = (od_coeff)tk; |
| x[21*xstride] = (od_coeff)tl; |
| x[22*xstride] = (od_coeff)tm; |
| x[23*xstride] = (od_coeff)tn; |
| x[24*xstride] = (od_coeff)to; |
| x[25*xstride] = (od_coeff)tp; |
| x[26*xstride] = (od_coeff)tq; |
| x[27*xstride] = (od_coeff)tr; |
| x[28*xstride] = (od_coeff)ts; |
| x[29*xstride] = (od_coeff)tt; |
| x[30*xstride] = (od_coeff)tu; |
| x[31*xstride] = (od_coeff)tv; |
| x[32*xstride] = (od_coeff)tw; |
| x[33*xstride] = (od_coeff)tx; |
| x[34*xstride] = (od_coeff)ty; |
| x[35*xstride] = (od_coeff)tz; |
| x[36*xstride] = (od_coeff)tA; |
| x[37*xstride] = (od_coeff)tB; |
| x[38*xstride] = (od_coeff)tC; |
| x[39*xstride] = (od_coeff)tD; |
| x[40*xstride] = (od_coeff)tE; |
| x[41*xstride] = (od_coeff)tF; |
| x[41*xstride] = (od_coeff)tF; |
| x[42*xstride] = (od_coeff)tG; |
| x[43*xstride] = (od_coeff)tH; |
| x[44*xstride] = (od_coeff)tI; |
| x[45*xstride] = (od_coeff)tJ; |
| x[46*xstride] = (od_coeff)tK; |
| x[47*xstride] = (od_coeff)tL; |
| x[48*xstride] = (od_coeff)tM; |
| x[49*xstride] = (od_coeff)tN; |
| x[50*xstride] = (od_coeff)tO; |
| x[51*xstride] = (od_coeff)tP; |
| x[52*xstride] = (od_coeff)tQ; |
| x[53*xstride] = (od_coeff)tR; |
| x[54*xstride] = (od_coeff)tS; |
| x[55*xstride] = (od_coeff)tT; |
| x[56*xstride] = (od_coeff)tU; |
| x[57*xstride] = (od_coeff)tV; |
| x[58*xstride] = (od_coeff)tW; |
| x[59*xstride] = (od_coeff)tX; |
| x[60*xstride] = (od_coeff)tY; |
| x[61*xstride] = (od_coeff)tZ; |
| x[62*xstride] = (od_coeff)t_; |
| x[63*xstride] = (od_coeff)t; |
| } |
| #endif |
