diff options
Diffstat (limited to 'vp9/common/vp9_idct.c')
-rw-r--r-- | vp9/common/vp9_idct.c | 2518 |
1 files changed, 27 insertions, 2491 deletions
diff --git a/vp9/common/vp9_idct.c b/vp9/common/vp9_idct.c index 174b96e21..b15f7f370 100644 --- a/vp9/common/vp9_idct.c +++ b/vp9/common/vp9_idct.c @@ -11,283 +11,20 @@ #include <math.h> #include "./vp9_rtcd.h" -#include "vpx_ports/mem.h" +#include "./vpx_dsp_rtcd.h" #include "vp9/common/vp9_blockd.h" #include "vp9/common/vp9_idct.h" #include "vp9/common/vp9_systemdependent.h" - -static INLINE uint8_t clip_pixel_add(uint8_t dest, tran_high_t trans) { - trans = WRAPLOW(trans, 8); - return clip_pixel(WRAPLOW(dest + trans, 8)); -} - -void vp9_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) { -/* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds, - 0.5 shifts per pixel. */ - int i; - tran_low_t output[16]; - tran_high_t a1, b1, c1, d1, e1; - const tran_low_t *ip = input; - tran_low_t *op = output; - - for (i = 0; i < 4; i++) { - a1 = ip[0] >> UNIT_QUANT_SHIFT; - c1 = ip[1] >> UNIT_QUANT_SHIFT; - d1 = ip[2] >> UNIT_QUANT_SHIFT; - b1 = ip[3] >> UNIT_QUANT_SHIFT; - a1 += c1; - d1 -= b1; - e1 = (a1 - d1) >> 1; - b1 = e1 - b1; - c1 = e1 - c1; - a1 -= b1; - d1 += c1; - op[0] = WRAPLOW(a1, 8); - op[1] = WRAPLOW(b1, 8); - op[2] = WRAPLOW(c1, 8); - op[3] = WRAPLOW(d1, 8); - ip += 4; - op += 4; - } - - ip = output; - for (i = 0; i < 4; i++) { - a1 = ip[4 * 0]; - c1 = ip[4 * 1]; - d1 = ip[4 * 2]; - b1 = ip[4 * 3]; - a1 += c1; - d1 -= b1; - e1 = (a1 - d1) >> 1; - b1 = e1 - b1; - c1 = e1 - c1; - a1 -= b1; - d1 += c1; - dest[stride * 0] = clip_pixel_add(dest[stride * 0], a1); - dest[stride * 1] = clip_pixel_add(dest[stride * 1], b1); - dest[stride * 2] = clip_pixel_add(dest[stride * 2], c1); - dest[stride * 3] = clip_pixel_add(dest[stride * 3], d1); - - ip++; - dest++; - } -} - -void vp9_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest, int dest_stride) { - int i; - tran_high_t a1, e1; - tran_low_t tmp[4]; - const tran_low_t *ip = in; - tran_low_t *op = tmp; - - a1 = ip[0] >> UNIT_QUANT_SHIFT; - e1 = a1 >> 1; - a1 -= e1; - op[0] = WRAPLOW(a1, 8); - op[1] = op[2] = op[3] = WRAPLOW(e1, 8); - - ip = tmp; - for (i = 0; i < 4; i++) { - e1 = ip[0] >> 1; - a1 = ip[0] - e1; - dest[dest_stride * 0] = clip_pixel_add(dest[dest_stride * 0], a1); - dest[dest_stride * 1] = clip_pixel_add(dest[dest_stride * 1], e1); - dest[dest_stride * 2] = clip_pixel_add(dest[dest_stride * 2], e1); - dest[dest_stride * 3] = clip_pixel_add(dest[dest_stride * 3], e1); - ip++; - dest++; - } -} - -static void idct4(const tran_low_t *input, tran_low_t *output) { - tran_low_t step[4]; - tran_high_t temp1, temp2; - // stage 1 - temp1 = (input[0] + input[2]) * cospi_16_64; - temp2 = (input[0] - input[2]) * cospi_16_64; - step[0] = WRAPLOW(dct_const_round_shift(temp1), 8); - step[1] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64; - temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64; - step[2] = WRAPLOW(dct_const_round_shift(temp1), 8); - step[3] = WRAPLOW(dct_const_round_shift(temp2), 8); - - // stage 2 - output[0] = WRAPLOW(step[0] + step[3], 8); - output[1] = WRAPLOW(step[1] + step[2], 8); - output[2] = WRAPLOW(step[1] - step[2], 8); - output[3] = WRAPLOW(step[0] - step[3], 8); -} - -void vp9_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - tran_low_t out[4 * 4]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[4], temp_out[4]; - - // Rows - for (i = 0; i < 4; ++i) { - idct4(input, outptr); - input += 4; - outptr += 4; - } - - // Columns - for (i = 0; i < 4; ++i) { - for (j = 0; j < 4; ++j) - temp_in[j] = out[j * 4 + i]; - idct4(temp_in, temp_out); - for (j = 0; j < 4; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 4)); - } - } -} - -void vp9_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest, - int dest_stride) { - int i; - tran_high_t a1; - tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8); - out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8); - a1 = ROUND_POWER_OF_TWO(out, 4); - - for (i = 0; i < 4; i++) { - dest[0] = clip_pixel_add(dest[0], a1); - dest[1] = clip_pixel_add(dest[1], a1); - dest[2] = clip_pixel_add(dest[2], a1); - dest[3] = clip_pixel_add(dest[3], a1); - dest += dest_stride; - } -} - -static void idct8(const tran_low_t *input, tran_low_t *output) { - tran_low_t step1[8], step2[8]; - tran_high_t temp1, temp2; - // stage 1 - step1[0] = input[0]; - step1[2] = input[4]; - step1[1] = input[2]; - step1[3] = input[6]; - temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64; - temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64; - step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64; - temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - - // stage 2 & stage 3 - even half - idct4(step1, step1); - - // stage 2 - odd half - step2[4] = WRAPLOW(step1[4] + step1[5], 8); - step2[5] = WRAPLOW(step1[4] - step1[5], 8); - step2[6] = WRAPLOW(-step1[6] + step1[7], 8); - step2[7] = WRAPLOW(step1[6] + step1[7], 8); - - // stage 3 -odd half - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[7] = step2[7]; - - // stage 4 - output[0] = WRAPLOW(step1[0] + step1[7], 8); - output[1] = WRAPLOW(step1[1] + step1[6], 8); - output[2] = WRAPLOW(step1[2] + step1[5], 8); - output[3] = WRAPLOW(step1[3] + step1[4], 8); - output[4] = WRAPLOW(step1[3] - step1[4], 8); - output[5] = WRAPLOW(step1[2] - step1[5], 8); - output[6] = WRAPLOW(step1[1] - step1[6], 8); - output[7] = WRAPLOW(step1[0] - step1[7], 8); -} - -void vp9_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - tran_low_t out[8 * 8]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[8], temp_out[8]; - - // First transform rows - for (i = 0; i < 8; ++i) { - idct8(input, outptr); - input += 8; - outptr += 8; - } - - // Then transform columns - for (i = 0; i < 8; ++i) { - for (j = 0; j < 8; ++j) - temp_in[j] = out[j * 8 + i]; - idct8(temp_in, temp_out); - for (j = 0; j < 8; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 5)); - } - } -} - -void vp9_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - int i, j; - tran_high_t a1; - tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8); - out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8); - a1 = ROUND_POWER_OF_TWO(out, 5); - for (j = 0; j < 8; ++j) { - for (i = 0; i < 8; ++i) - dest[i] = clip_pixel_add(dest[i], a1); - dest += stride; - } -} - -static void iadst4(const tran_low_t *input, tran_low_t *output) { - tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; - - tran_low_t x0 = input[0]; - tran_low_t x1 = input[1]; - tran_low_t x2 = input[2]; - tran_low_t x3 = input[3]; - - if (!(x0 | x1 | x2 | x3)) { - output[0] = output[1] = output[2] = output[3] = 0; - return; - } - - s0 = sinpi_1_9 * x0; - s1 = sinpi_2_9 * x0; - s2 = sinpi_3_9 * x1; - s3 = sinpi_4_9 * x2; - s4 = sinpi_1_9 * x2; - s5 = sinpi_2_9 * x3; - s6 = sinpi_4_9 * x3; - s7 = x0 - x2 + x3; - - s0 = s0 + s3 + s5; - s1 = s1 - s4 - s6; - s3 = s2; - s2 = sinpi_3_9 * s7; - - // 1-D transform scaling factor is sqrt(2). - // The overall dynamic range is 14b (input) + 14b (multiplication scaling) - // + 1b (addition) = 29b. - // Hence the output bit depth is 15b. - output[0] = WRAPLOW(dct_const_round_shift(s0 + s3), 8); - output[1] = WRAPLOW(dct_const_round_shift(s1 + s3), 8); - output[2] = WRAPLOW(dct_const_round_shift(s2), 8); - output[3] = WRAPLOW(dct_const_round_shift(s0 + s1 - s3), 8); -} +#include "vpx_dsp/inv_txfm.h" +#include "vpx_ports/mem.h" void vp9_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride, int tx_type) { const transform_2d IHT_4[] = { - { idct4, idct4 }, // DCT_DCT = 0 - { iadst4, idct4 }, // ADST_DCT = 1 - { idct4, iadst4 }, // DCT_ADST = 2 - { iadst4, iadst4 } // ADST_ADST = 3 + { idct4_c, idct4_c }, // DCT_DCT = 0 + { iadst4_c, idct4_c }, // ADST_DCT = 1 + { idct4_c, iadst4_c }, // DCT_ADST = 2 + { iadst4_c, iadst4_c } // ADST_ADST = 3 }; int i, j; @@ -314,88 +51,11 @@ void vp9_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride, } } -static void iadst8(const tran_low_t *input, tran_low_t *output) { - int s0, s1, s2, s3, s4, s5, s6, s7; - - tran_high_t x0 = input[7]; - tran_high_t x1 = input[0]; - tran_high_t x2 = input[5]; - tran_high_t x3 = input[2]; - tran_high_t x4 = input[3]; - tran_high_t x5 = input[4]; - tran_high_t x6 = input[1]; - tran_high_t x7 = input[6]; - - if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) { - output[0] = output[1] = output[2] = output[3] = output[4] - = output[5] = output[6] = output[7] = 0; - return; - } - - // stage 1 - s0 = (int)(cospi_2_64 * x0 + cospi_30_64 * x1); - s1 = (int)(cospi_30_64 * x0 - cospi_2_64 * x1); - s2 = (int)(cospi_10_64 * x2 + cospi_22_64 * x3); - s3 = (int)(cospi_22_64 * x2 - cospi_10_64 * x3); - s4 = (int)(cospi_18_64 * x4 + cospi_14_64 * x5); - s5 = (int)(cospi_14_64 * x4 - cospi_18_64 * x5); - s6 = (int)(cospi_26_64 * x6 + cospi_6_64 * x7); - s7 = (int)(cospi_6_64 * x6 - cospi_26_64 * x7); - - x0 = WRAPLOW(dct_const_round_shift(s0 + s4), 8); - x1 = WRAPLOW(dct_const_round_shift(s1 + s5), 8); - x2 = WRAPLOW(dct_const_round_shift(s2 + s6), 8); - x3 = WRAPLOW(dct_const_round_shift(s3 + s7), 8); - x4 = WRAPLOW(dct_const_round_shift(s0 - s4), 8); - x5 = WRAPLOW(dct_const_round_shift(s1 - s5), 8); - x6 = WRAPLOW(dct_const_round_shift(s2 - s6), 8); - x7 = WRAPLOW(dct_const_round_shift(s3 - s7), 8); - - // stage 2 - s0 = (int)x0; - s1 = (int)x1; - s2 = (int)x2; - s3 = (int)x3; - s4 = (int)(cospi_8_64 * x4 + cospi_24_64 * x5); - s5 = (int)(cospi_24_64 * x4 - cospi_8_64 * x5); - s6 = (int)(-cospi_24_64 * x6 + cospi_8_64 * x7); - s7 = (int)(cospi_8_64 * x6 + cospi_24_64 * x7); - - x0 = WRAPLOW(s0 + s2, 8); - x1 = WRAPLOW(s1 + s3, 8); - x2 = WRAPLOW(s0 - s2, 8); - x3 = WRAPLOW(s1 - s3, 8); - x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8); - x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8); - x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8); - x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8); - - // stage 3 - s2 = (int)(cospi_16_64 * (x2 + x3)); - s3 = (int)(cospi_16_64 * (x2 - x3)); - s6 = (int)(cospi_16_64 * (x6 + x7)); - s7 = (int)(cospi_16_64 * (x6 - x7)); - - x2 = WRAPLOW(dct_const_round_shift(s2), 8); - x3 = WRAPLOW(dct_const_round_shift(s3), 8); - x6 = WRAPLOW(dct_const_round_shift(s6), 8); - x7 = WRAPLOW(dct_const_round_shift(s7), 8); - - output[0] = WRAPLOW(x0, 8); - output[1] = WRAPLOW(-x4, 8); - output[2] = WRAPLOW(x6, 8); - output[3] = WRAPLOW(-x2, 8); - output[4] = WRAPLOW(x3, 8); - output[5] = WRAPLOW(-x7, 8); - output[6] = WRAPLOW(x5, 8); - output[7] = WRAPLOW(-x1, 8); -} - static const transform_2d IHT_8[] = { - { idct8, idct8 }, // DCT_DCT = 0 - { iadst8, idct8 }, // ADST_DCT = 1 - { idct8, iadst8 }, // DCT_ADST = 2 - { iadst8, iadst8 } // ADST_ADST = 3 + { idct8_c, idct8_c }, // DCT_DCT = 0 + { iadst8_c, idct8_c }, // ADST_DCT = 1 + { idct8_c, iadst8_c }, // DCT_ADST = 2 + { iadst8_c, iadst8_c } // ADST_ADST = 3 }; void vp9_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride, @@ -425,400 +85,11 @@ void vp9_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride, } } -void vp9_idct8x8_12_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - tran_low_t out[8 * 8] = { 0 }; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[8], temp_out[8]; - - // First transform rows - // only first 4 row has non-zero coefs - for (i = 0; i < 4; ++i) { - idct8(input, outptr); - input += 8; - outptr += 8; - } - - // Then transform columns - for (i = 0; i < 8; ++i) { - for (j = 0; j < 8; ++j) - temp_in[j] = out[j * 8 + i]; - idct8(temp_in, temp_out); - for (j = 0; j < 8; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 5)); - } - } -} - -static void idct16(const tran_low_t *input, tran_low_t *output) { - tran_low_t step1[16], step2[16]; - tran_high_t temp1, temp2; - - // stage 1 - step1[0] = input[0/2]; - step1[1] = input[16/2]; - step1[2] = input[8/2]; - step1[3] = input[24/2]; - step1[4] = input[4/2]; - step1[5] = input[20/2]; - step1[6] = input[12/2]; - step1[7] = input[28/2]; - step1[8] = input[2/2]; - step1[9] = input[18/2]; - step1[10] = input[10/2]; - step1[11] = input[26/2]; - step1[12] = input[6/2]; - step1[13] = input[22/2]; - step1[14] = input[14/2]; - step1[15] = input[30/2]; - - // stage 2 - step2[0] = step1[0]; - step2[1] = step1[1]; - step2[2] = step1[2]; - step2[3] = step1[3]; - step2[4] = step1[4]; - step2[5] = step1[5]; - step2[6] = step1[6]; - step2[7] = step1[7]; - - temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64; - temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64; - step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64; - temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64; - step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64; - temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64; - temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64; - step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8); - - // stage 3 - step1[0] = step2[0]; - step1[1] = step2[1]; - step1[2] = step2[2]; - step1[3] = step2[3]; - - temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64; - temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64; - step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64; - temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - - step1[8] = WRAPLOW(step2[8] + step2[9], 8); - step1[9] = WRAPLOW(step2[8] - step2[9], 8); - step1[10] = WRAPLOW(-step2[10] + step2[11], 8); - step1[11] = WRAPLOW(step2[10] + step2[11], 8); - step1[12] = WRAPLOW(step2[12] + step2[13], 8); - step1[13] = WRAPLOW(step2[12] - step2[13], 8); - step1[14] = WRAPLOW(-step2[14] + step2[15], 8); - step1[15] = WRAPLOW(step2[14] + step2[15], 8); - - // stage 4 - temp1 = (step1[0] + step1[1]) * cospi_16_64; - temp2 = (step1[0] - step1[1]) * cospi_16_64; - step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64; - temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64; - step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[4] = WRAPLOW(step1[4] + step1[5], 8); - step2[5] = WRAPLOW(step1[4] - step1[5], 8); - step2[6] = WRAPLOW(-step1[6] + step1[7], 8); - step2[7] = WRAPLOW(step1[6] + step1[7], 8); - - step2[8] = step1[8]; - step2[15] = step1[15]; - temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64; - temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64; - step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64; - temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[11] = step1[11]; - step2[12] = step1[12]; - - // stage 5 - step1[0] = WRAPLOW(step2[0] + step2[3], 8); - step1[1] = WRAPLOW(step2[1] + step2[2], 8); - step1[2] = WRAPLOW(step2[1] - step2[2], 8); - step1[3] = WRAPLOW(step2[0] - step2[3], 8); - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[7] = step2[7]; - - step1[8] = WRAPLOW(step2[8] + step2[11], 8); - step1[9] = WRAPLOW(step2[9] + step2[10], 8); - step1[10] = WRAPLOW(step2[9] - step2[10], 8); - step1[11] = WRAPLOW(step2[8] - step2[11], 8); - step1[12] = WRAPLOW(-step2[12] + step2[15], 8); - step1[13] = WRAPLOW(-step2[13] + step2[14], 8); - step1[14] = WRAPLOW(step2[13] + step2[14], 8); - step1[15] = WRAPLOW(step2[12] + step2[15], 8); - - // stage 6 - step2[0] = WRAPLOW(step1[0] + step1[7], 8); - step2[1] = WRAPLOW(step1[1] + step1[6], 8); - step2[2] = WRAPLOW(step1[2] + step1[5], 8); - step2[3] = WRAPLOW(step1[3] + step1[4], 8); - step2[4] = WRAPLOW(step1[3] - step1[4], 8); - step2[5] = WRAPLOW(step1[2] - step1[5], 8); - step2[6] = WRAPLOW(step1[1] - step1[6], 8); - step2[7] = WRAPLOW(step1[0] - step1[7], 8); - step2[8] = step1[8]; - step2[9] = step1[9]; - temp1 = (-step1[10] + step1[13]) * cospi_16_64; - temp2 = (step1[10] + step1[13]) * cospi_16_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = (-step1[11] + step1[12]) * cospi_16_64; - temp2 = (step1[11] + step1[12]) * cospi_16_64; - step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[14] = step1[14]; - step2[15] = step1[15]; - - // stage 7 - output[0] = WRAPLOW(step2[0] + step2[15], 8); - output[1] = WRAPLOW(step2[1] + step2[14], 8); - output[2] = WRAPLOW(step2[2] + step2[13], 8); - output[3] = WRAPLOW(step2[3] + step2[12], 8); - output[4] = WRAPLOW(step2[4] + step2[11], 8); - output[5] = WRAPLOW(step2[5] + step2[10], 8); - output[6] = WRAPLOW(step2[6] + step2[9], 8); - output[7] = WRAPLOW(step2[7] + step2[8], 8); - output[8] = WRAPLOW(step2[7] - step2[8], 8); - output[9] = WRAPLOW(step2[6] - step2[9], 8); - output[10] = WRAPLOW(step2[5] - step2[10], 8); - output[11] = WRAPLOW(step2[4] - step2[11], 8); - output[12] = WRAPLOW(step2[3] - step2[12], 8); - output[13] = WRAPLOW(step2[2] - step2[13], 8); - output[14] = WRAPLOW(step2[1] - step2[14], 8); - output[15] = WRAPLOW(step2[0] - step2[15], 8); -} - -void vp9_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest, - int stride) { - tran_low_t out[16 * 16]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[16], temp_out[16]; - - // First transform rows - for (i = 0; i < 16; ++i) { - idct16(input, outptr); - input += 16; - outptr += 16; - } - - // Then transform columns - for (i = 0; i < 16; ++i) { - for (j = 0; j < 16; ++j) - temp_in[j] = out[j * 16 + i]; - idct16(temp_in, temp_out); - for (j = 0; j < 16; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 6)); - } - } -} - -static void iadst16(const tran_low_t *input, tran_low_t *output) { - tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8; - tran_high_t s9, s10, s11, s12, s13, s14, s15; - - tran_high_t x0 = input[15]; - tran_high_t x1 = input[0]; - tran_high_t x2 = input[13]; - tran_high_t x3 = input[2]; - tran_high_t x4 = input[11]; - tran_high_t x5 = input[4]; - tran_high_t x6 = input[9]; - tran_high_t x7 = input[6]; - tran_high_t x8 = input[7]; - tran_high_t x9 = input[8]; - tran_high_t x10 = input[5]; - tran_high_t x11 = input[10]; - tran_high_t x12 = input[3]; - tran_high_t x13 = input[12]; - tran_high_t x14 = input[1]; - tran_high_t x15 = input[14]; - - if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 - | x9 | x10 | x11 | x12 | x13 | x14 | x15)) { - output[0] = output[1] = output[2] = output[3] = output[4] - = output[5] = output[6] = output[7] = output[8] - = output[9] = output[10] = output[11] = output[12] - = output[13] = output[14] = output[15] = 0; - return; - } - - // stage 1 - s0 = x0 * cospi_1_64 + x1 * cospi_31_64; - s1 = x0 * cospi_31_64 - x1 * cospi_1_64; - s2 = x2 * cospi_5_64 + x3 * cospi_27_64; - s3 = x2 * cospi_27_64 - x3 * cospi_5_64; - s4 = x4 * cospi_9_64 + x5 * cospi_23_64; - s5 = x4 * cospi_23_64 - x5 * cospi_9_64; - s6 = x6 * cospi_13_64 + x7 * cospi_19_64; - s7 = x6 * cospi_19_64 - x7 * cospi_13_64; - s8 = x8 * cospi_17_64 + x9 * cospi_15_64; - s9 = x8 * cospi_15_64 - x9 * cospi_17_64; - s10 = x10 * cospi_21_64 + x11 * cospi_11_64; - s11 = x10 * cospi_11_64 - x11 * cospi_21_64; - s12 = x12 * cospi_25_64 + x13 * cospi_7_64; - s13 = x12 * cospi_7_64 - x13 * cospi_25_64; - s14 = x14 * cospi_29_64 + x15 * cospi_3_64; - s15 = x14 * cospi_3_64 - x15 * cospi_29_64; - - x0 = WRAPLOW(dct_const_round_shift(s0 + s8), 8); - x1 = WRAPLOW(dct_const_round_shift(s1 + s9), 8); - x2 = WRAPLOW(dct_const_round_shift(s2 + s10), 8); - x3 = WRAPLOW(dct_const_round_shift(s3 + s11), 8); - x4 = WRAPLOW(dct_const_round_shift(s4 + s12), 8); - x5 = WRAPLOW(dct_const_round_shift(s5 + s13), 8); - x6 = WRAPLOW(dct_const_round_shift(s6 + s14), 8); - x7 = WRAPLOW(dct_const_round_shift(s7 + s15), 8); - x8 = WRAPLOW(dct_const_round_shift(s0 - s8), 8); - x9 = WRAPLOW(dct_const_round_shift(s1 - s9), 8); - x10 = WRAPLOW(dct_const_round_shift(s2 - s10), 8); - x11 = WRAPLOW(dct_const_round_shift(s3 - s11), 8); - x12 = WRAPLOW(dct_const_round_shift(s4 - s12), 8); - x13 = WRAPLOW(dct_const_round_shift(s5 - s13), 8); - x14 = WRAPLOW(dct_const_round_shift(s6 - s14), 8); - x15 = WRAPLOW(dct_const_round_shift(s7 - s15), 8); - - // stage 2 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = x4; - s5 = x5; - s6 = x6; - s7 = x7; - s8 = x8 * cospi_4_64 + x9 * cospi_28_64; - s9 = x8 * cospi_28_64 - x9 * cospi_4_64; - s10 = x10 * cospi_20_64 + x11 * cospi_12_64; - s11 = x10 * cospi_12_64 - x11 * cospi_20_64; - s12 = - x12 * cospi_28_64 + x13 * cospi_4_64; - s13 = x12 * cospi_4_64 + x13 * cospi_28_64; - s14 = - x14 * cospi_12_64 + x15 * cospi_20_64; - s15 = x14 * cospi_20_64 + x15 * cospi_12_64; - - x0 = WRAPLOW(s0 + s4, 8); - x1 = WRAPLOW(s1 + s5, 8); - x2 = WRAPLOW(s2 + s6, 8); - x3 = WRAPLOW(s3 + s7, 8); - x4 = WRAPLOW(s0 - s4, 8); - x5 = WRAPLOW(s1 - s5, 8); - x6 = WRAPLOW(s2 - s6, 8); - x7 = WRAPLOW(s3 - s7, 8); - x8 = WRAPLOW(dct_const_round_shift(s8 + s12), 8); - x9 = WRAPLOW(dct_const_round_shift(s9 + s13), 8); - x10 = WRAPLOW(dct_const_round_shift(s10 + s14), 8); - x11 = WRAPLOW(dct_const_round_shift(s11 + s15), 8); - x12 = WRAPLOW(dct_const_round_shift(s8 - s12), 8); - x13 = WRAPLOW(dct_const_round_shift(s9 - s13), 8); - x14 = WRAPLOW(dct_const_round_shift(s10 - s14), 8); - x15 = WRAPLOW(dct_const_round_shift(s11 - s15), 8); - - // stage 3 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = x4 * cospi_8_64 + x5 * cospi_24_64; - s5 = x4 * cospi_24_64 - x5 * cospi_8_64; - s6 = - x6 * cospi_24_64 + x7 * cospi_8_64; - s7 = x6 * cospi_8_64 + x7 * cospi_24_64; - s8 = x8; - s9 = x9; - s10 = x10; - s11 = x11; - s12 = x12 * cospi_8_64 + x13 * cospi_24_64; - s13 = x12 * cospi_24_64 - x13 * cospi_8_64; - s14 = - x14 * cospi_24_64 + x15 * cospi_8_64; - s15 = x14 * cospi_8_64 + x15 * cospi_24_64; - - x0 = WRAPLOW(check_range(s0 + s2), 8); - x1 = WRAPLOW(check_range(s1 + s3), 8); - x2 = WRAPLOW(check_range(s0 - s2), 8); - x3 = WRAPLOW(check_range(s1 - s3), 8); - x4 = WRAPLOW(dct_const_round_shift(s4 + s6), 8); - x5 = WRAPLOW(dct_const_round_shift(s5 + s7), 8); - x6 = WRAPLOW(dct_const_round_shift(s4 - s6), 8); - x7 = WRAPLOW(dct_const_round_shift(s5 - s7), 8); - x8 = WRAPLOW(check_range(s8 + s10), 8); - x9 = WRAPLOW(check_range(s9 + s11), 8); - x10 = WRAPLOW(check_range(s8 - s10), 8); - x11 = WRAPLOW(check_range(s9 - s11), 8); - x12 = WRAPLOW(dct_const_round_shift(s12 + s14), 8); - x13 = WRAPLOW(dct_const_round_shift(s13 + s15), 8); - x14 = WRAPLOW(dct_const_round_shift(s12 - s14), 8); - x15 = WRAPLOW(dct_const_round_shift(s13 - s15), 8); - - // stage 4 - s2 = (- cospi_16_64) * (x2 + x3); - s3 = cospi_16_64 * (x2 - x3); - s6 = cospi_16_64 * (x6 + x7); - s7 = cospi_16_64 * (- x6 + x7); - s10 = cospi_16_64 * (x10 + x11); - s11 = cospi_16_64 * (- x10 + x11); - s14 = (- cospi_16_64) * (x14 + x15); - s15 = cospi_16_64 * (x14 - x15); - - x2 = WRAPLOW(dct_const_round_shift(s2), 8); - x3 = WRAPLOW(dct_const_round_shift(s3), 8); - x6 = WRAPLOW(dct_const_round_shift(s6), 8); - x7 = WRAPLOW(dct_const_round_shift(s7), 8); - x10 = WRAPLOW(dct_const_round_shift(s10), 8); - x11 = WRAPLOW(dct_const_round_shift(s11), 8); - x14 = WRAPLOW(dct_const_round_shift(s14), 8); - x15 = WRAPLOW(dct_const_round_shift(s15), 8); - - output[0] = WRAPLOW(x0, 8); - output[1] = WRAPLOW(-x8, 8); - output[2] = WRAPLOW(x12, 8); - output[3] = WRAPLOW(-x4, 8); - output[4] = WRAPLOW(x6, 8); - output[5] = WRAPLOW(x14, 8); - output[6] = WRAPLOW(x10, 8); - output[7] = WRAPLOW(x2, 8); - output[8] = WRAPLOW(x3, 8); - output[9] = WRAPLOW(x11, 8); - output[10] = WRAPLOW(x15, 8); - output[11] = WRAPLOW(x7, 8); - output[12] = WRAPLOW(x5, 8); - output[13] = WRAPLOW(-x13, 8); - output[14] = WRAPLOW(x9, 8); - output[15] = WRAPLOW(-x1, 8); -} - static const transform_2d IHT_16[] = { - { idct16, idct16 }, // DCT_DCT = 0 - { iadst16, idct16 }, // ADST_DCT = 1 - { idct16, iadst16 }, // DCT_ADST = 2 - { iadst16, iadst16 } // ADST_ADST = 3 + { idct16_c, idct16_c }, // DCT_DCT = 0 + { iadst16_c, idct16_c }, // ADST_DCT = 1 + { idct16_c, iadst16_c }, // DCT_ADST = 2 + { iadst16_c, iadst16_c } // ADST_ADST = 3 }; void vp9_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest, int stride, @@ -848,494 +119,6 @@ void vp9_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest, int stride, } } -void vp9_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest, - int stride) { - tran_low_t out[16 * 16] = { 0 }; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[16], temp_out[16]; - - // First transform rows. Since all non-zero dct coefficients are in - // upper-left 4x4 area, we only need to calculate first 4 rows here. - for (i = 0; i < 4; ++i) { - idct16(input, outptr); - input += 16; - outptr += 16; - } - - // Then transform columns - for (i = 0; i < 16; ++i) { - for (j = 0; j < 16; ++j) - temp_in[j] = out[j*16 + i]; - idct16(temp_in, temp_out); - for (j = 0; j < 16; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 6)); - } - } -} - -void vp9_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - int i, j; - tran_high_t a1; - tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8); - out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8); - a1 = ROUND_POWER_OF_TWO(out, 6); - for (j = 0; j < 16; ++j) { - for (i = 0; i < 16; ++i) - dest[i] = clip_pixel_add(dest[i], a1); - dest += stride; - } -} - -static void idct32(const tran_low_t *input, tran_low_t *output) { - tran_low_t step1[32], step2[32]; - tran_high_t temp1, temp2; - - // stage 1 - step1[0] = input[0]; - step1[1] = input[16]; - step1[2] = input[8]; - step1[3] = input[24]; - step1[4] = input[4]; - step1[5] = input[20]; - step1[6] = input[12]; - step1[7] = input[28]; - step1[8] = input[2]; - step1[9] = input[18]; - step1[10] = input[10]; - step1[11] = input[26]; - step1[12] = input[6]; - step1[13] = input[22]; - step1[14] = input[14]; - step1[15] = input[30]; - - temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64; - temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64; - step1[16] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[31] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64; - temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64; - step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64; - temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64; - step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64; - temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64; - step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64; - temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64; - step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64; - temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64; - step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64; - temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64; - step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64; - temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64; - step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8); - - // stage 2 - step2[0] = step1[0]; - step2[1] = step1[1]; - step2[2] = step1[2]; - step2[3] = step1[3]; - step2[4] = step1[4]; - step2[5] = step1[5]; - step2[6] = step1[6]; - step2[7] = step1[7]; - - temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64; - temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64; - step2[8] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[15] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64; - temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64; - step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64; - temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - - temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64; - temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64; - step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8); - - step2[16] = WRAPLOW(step1[16] + step1[17], 8); - step2[17] = WRAPLOW(step1[16] - step1[17], 8); - step2[18] = WRAPLOW(-step1[18] + step1[19], 8); - step2[19] = WRAPLOW(step1[18] + step1[19], 8); - step2[20] = WRAPLOW(step1[20] + step1[21], 8); - step2[21] = WRAPLOW(step1[20] - step1[21], 8); - step2[22] = WRAPLOW(-step1[22] + step1[23], 8); - step2[23] = WRAPLOW(step1[22] + step1[23], 8); - step2[24] = WRAPLOW(step1[24] + step1[25], 8); - step2[25] = WRAPLOW(step1[24] - step1[25], 8); - step2[26] = WRAPLOW(-step1[26] + step1[27], 8); - step2[27] = WRAPLOW(step1[26] + step1[27], 8); - step2[28] = WRAPLOW(step1[28] + step1[29], 8); - step2[29] = WRAPLOW(step1[28] - step1[29], 8); - step2[30] = WRAPLOW(-step1[30] + step1[31], 8); - step2[31] = WRAPLOW(step1[30] + step1[31], 8); - - // stage 3 - step1[0] = step2[0]; - step1[1] = step2[1]; - step1[2] = step2[2]; - step1[3] = step2[3]; - - temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64; - temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64; - step1[4] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[7] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64; - temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - - step1[8] = WRAPLOW(step2[8] + step2[9], 8); - step1[9] = WRAPLOW(step2[8] - step2[9], 8); - step1[10] = WRAPLOW(-step2[10] + step2[11], 8); - step1[11] = WRAPLOW(step2[10] + step2[11], 8); - step1[12] = WRAPLOW(step2[12] + step2[13], 8); - step1[13] = WRAPLOW(step2[12] - step2[13], 8); - step1[14] = WRAPLOW(-step2[14] + step2[15], 8); - step1[15] = WRAPLOW(step2[14] + step2[15], 8); - - step1[16] = step2[16]; - step1[31] = step2[31]; - temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64; - temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64; - step1[17] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[30] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64; - temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64; - step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[19] = step2[19]; - step1[20] = step2[20]; - temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64; - temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64; - step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64; - temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64; - step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[23] = step2[23]; - step1[24] = step2[24]; - step1[27] = step2[27]; - step1[28] = step2[28]; - - // stage 4 - temp1 = (step1[0] + step1[1]) * cospi_16_64; - temp2 = (step1[0] - step1[1]) * cospi_16_64; - step2[0] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[1] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64; - temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64; - step2[2] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[3] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[4] = WRAPLOW(step1[4] + step1[5], 8); - step2[5] = WRAPLOW(step1[4] - step1[5], 8); - step2[6] = WRAPLOW(-step1[6] + step1[7], 8); - step2[7] = WRAPLOW(step1[6] + step1[7], 8); - - step2[8] = step1[8]; - step2[15] = step1[15]; - temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64; - temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64; - step2[9] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[14] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64; - temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[11] = step1[11]; - step2[12] = step1[12]; - - step2[16] = WRAPLOW(step1[16] + step1[19], 8); - step2[17] = WRAPLOW(step1[17] + step1[18], 8); - step2[18] = WRAPLOW(step1[17] - step1[18], 8); - step2[19] = WRAPLOW(step1[16] - step1[19], 8); - step2[20] = WRAPLOW(-step1[20] + step1[23], 8); - step2[21] = WRAPLOW(-step1[21] + step1[22], 8); - step2[22] = WRAPLOW(step1[21] + step1[22], 8); - step2[23] = WRAPLOW(step1[20] + step1[23], 8); - - step2[24] = WRAPLOW(step1[24] + step1[27], 8); - step2[25] = WRAPLOW(step1[25] + step1[26], 8); - step2[26] = WRAPLOW(step1[25] - step1[26], 8); - step2[27] = WRAPLOW(step1[24] - step1[27], 8); - step2[28] = WRAPLOW(-step1[28] + step1[31], 8); - step2[29] = WRAPLOW(-step1[29] + step1[30], 8); - step2[30] = WRAPLOW(step1[29] + step1[30], 8); - step2[31] = WRAPLOW(step1[28] + step1[31], 8); - - // stage 5 - step1[0] = WRAPLOW(step2[0] + step2[3], 8); - step1[1] = WRAPLOW(step2[1] + step2[2], 8); - step1[2] = WRAPLOW(step2[1] - step2[2], 8); - step1[3] = WRAPLOW(step2[0] - step2[3], 8); - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[6] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[7] = step2[7]; - - step1[8] = WRAPLOW(step2[8] + step2[11], 8); - step1[9] = WRAPLOW(step2[9] + step2[10], 8); - step1[10] = WRAPLOW(step2[9] - step2[10], 8); - step1[11] = WRAPLOW(step2[8] - step2[11], 8); - step1[12] = WRAPLOW(-step2[12] + step2[15], 8); - step1[13] = WRAPLOW(-step2[13] + step2[14], 8); - step1[14] = WRAPLOW(step2[13] + step2[14], 8); - step1[15] = WRAPLOW(step2[12] + step2[15], 8); - - step1[16] = step2[16]; - step1[17] = step2[17]; - temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64; - temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64; - step1[18] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[29] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64; - temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64; - step1[19] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[28] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64; - temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64; - step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64; - temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64; - step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[22] = step2[22]; - step1[23] = step2[23]; - step1[24] = step2[24]; - step1[25] = step2[25]; - step1[30] = step2[30]; - step1[31] = step2[31]; - - // stage 6 - step2[0] = WRAPLOW(step1[0] + step1[7], 8); - step2[1] = WRAPLOW(step1[1] + step1[6], 8); - step2[2] = WRAPLOW(step1[2] + step1[5], 8); - step2[3] = WRAPLOW(step1[3] + step1[4], 8); - step2[4] = WRAPLOW(step1[3] - step1[4], 8); - step2[5] = WRAPLOW(step1[2] - step1[5], 8); - step2[6] = WRAPLOW(step1[1] - step1[6], 8); - step2[7] = WRAPLOW(step1[0] - step1[7], 8); - step2[8] = step1[8]; - step2[9] = step1[9]; - temp1 = (-step1[10] + step1[13]) * cospi_16_64; - temp2 = (step1[10] + step1[13]) * cospi_16_64; - step2[10] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[13] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = (-step1[11] + step1[12]) * cospi_16_64; - temp2 = (step1[11] + step1[12]) * cospi_16_64; - step2[11] = WRAPLOW(dct_const_round_shift(temp1), 8); - step2[12] = WRAPLOW(dct_const_round_shift(temp2), 8); - step2[14] = step1[14]; - step2[15] = step1[15]; - - step2[16] = WRAPLOW(step1[16] + step1[23], 8); - step2[17] = WRAPLOW(step1[17] + step1[22], 8); - step2[18] = WRAPLOW(step1[18] + step1[21], 8); - step2[19] = WRAPLOW(step1[19] + step1[20], 8); - step2[20] = WRAPLOW(step1[19] - step1[20], 8); - step2[21] = WRAPLOW(step1[18] - step1[21], 8); - step2[22] = WRAPLOW(step1[17] - step1[22], 8); - step2[23] = WRAPLOW(step1[16] - step1[23], 8); - - step2[24] = WRAPLOW(-step1[24] + step1[31], 8); - step2[25] = WRAPLOW(-step1[25] + step1[30], 8); - step2[26] = WRAPLOW(-step1[26] + step1[29], 8); - step2[27] = WRAPLOW(-step1[27] + step1[28], 8); - step2[28] = WRAPLOW(step1[27] + step1[28], 8); - step2[29] = WRAPLOW(step1[26] + step1[29], 8); - step2[30] = WRAPLOW(step1[25] + step1[30], 8); - step2[31] = WRAPLOW(step1[24] + step1[31], 8); - - // stage 7 - step1[0] = WRAPLOW(step2[0] + step2[15], 8); - step1[1] = WRAPLOW(step2[1] + step2[14], 8); - step1[2] = WRAPLOW(step2[2] + step2[13], 8); - step1[3] = WRAPLOW(step2[3] + step2[12], 8); - step1[4] = WRAPLOW(step2[4] + step2[11], 8); - step1[5] = WRAPLOW(step2[5] + step2[10], 8); - step1[6] = WRAPLOW(step2[6] + step2[9], 8); - step1[7] = WRAPLOW(step2[7] + step2[8], 8); - step1[8] = WRAPLOW(step2[7] - step2[8], 8); - step1[9] = WRAPLOW(step2[6] - step2[9], 8); - step1[10] = WRAPLOW(step2[5] - step2[10], 8); - step1[11] = WRAPLOW(step2[4] - step2[11], 8); - step1[12] = WRAPLOW(step2[3] - step2[12], 8); - step1[13] = WRAPLOW(step2[2] - step2[13], 8); - step1[14] = WRAPLOW(step2[1] - step2[14], 8); - step1[15] = WRAPLOW(step2[0] - step2[15], 8); - - step1[16] = step2[16]; - step1[17] = step2[17]; - step1[18] = step2[18]; - step1[19] = step2[19]; - temp1 = (-step2[20] + step2[27]) * cospi_16_64; - temp2 = (step2[20] + step2[27]) * cospi_16_64; - step1[20] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[27] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = (-step2[21] + step2[26]) * cospi_16_64; - temp2 = (step2[21] + step2[26]) * cospi_16_64; - step1[21] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[26] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = (-step2[22] + step2[25]) * cospi_16_64; - temp2 = (step2[22] + step2[25]) * cospi_16_64; - step1[22] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[25] = WRAPLOW(dct_const_round_shift(temp2), 8); - temp1 = (-step2[23] + step2[24]) * cospi_16_64; - temp2 = (step2[23] + step2[24]) * cospi_16_64; - step1[23] = WRAPLOW(dct_const_round_shift(temp1), 8); - step1[24] = WRAPLOW(dct_const_round_shift(temp2), 8); - step1[28] = step2[28]; - step1[29] = step2[29]; - step1[30] = step2[30]; - step1[31] = step2[31]; - - // final stage - output[0] = WRAPLOW(step1[0] + step1[31], 8); - output[1] = WRAPLOW(step1[1] + step1[30], 8); - output[2] = WRAPLOW(step1[2] + step1[29], 8); - output[3] = WRAPLOW(step1[3] + step1[28], 8); - output[4] = WRAPLOW(step1[4] + step1[27], 8); - output[5] = WRAPLOW(step1[5] + step1[26], 8); - output[6] = WRAPLOW(step1[6] + step1[25], 8); - output[7] = WRAPLOW(step1[7] + step1[24], 8); - output[8] = WRAPLOW(step1[8] + step1[23], 8); - output[9] = WRAPLOW(step1[9] + step1[22], 8); - output[10] = WRAPLOW(step1[10] + step1[21], 8); - output[11] = WRAPLOW(step1[11] + step1[20], 8); - output[12] = WRAPLOW(step1[12] + step1[19], 8); - output[13] = WRAPLOW(step1[13] + step1[18], 8); - output[14] = WRAPLOW(step1[14] + step1[17], 8); - output[15] = WRAPLOW(step1[15] + step1[16], 8); - output[16] = WRAPLOW(step1[15] - step1[16], 8); - output[17] = WRAPLOW(step1[14] - step1[17], 8); - output[18] = WRAPLOW(step1[13] - step1[18], 8); - output[19] = WRAPLOW(step1[12] - step1[19], 8); - output[20] = WRAPLOW(step1[11] - step1[20], 8); - output[21] = WRAPLOW(step1[10] - step1[21], 8); - output[22] = WRAPLOW(step1[9] - step1[22], 8); - output[23] = WRAPLOW(step1[8] - step1[23], 8); - output[24] = WRAPLOW(step1[7] - step1[24], 8); - output[25] = WRAPLOW(step1[6] - step1[25], 8); - output[26] = WRAPLOW(step1[5] - step1[26], 8); - output[27] = WRAPLOW(step1[4] - step1[27], 8); - output[28] = WRAPLOW(step1[3] - step1[28], 8); - output[29] = WRAPLOW(step1[2] - step1[29], 8); - output[30] = WRAPLOW(step1[1] - step1[30], 8); - output[31] = WRAPLOW(step1[0] - step1[31], 8); -} - -void vp9_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest, - int stride) { - tran_low_t out[32 * 32]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[32], temp_out[32]; - - // Rows - for (i = 0; i < 32; ++i) { - int16_t zero_coeff[16]; - for (j = 0; j < 16; ++j) - zero_coeff[j] = input[2 * j] | input[2 * j + 1]; - for (j = 0; j < 8; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - for (j = 0; j < 4; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - for (j = 0; j < 2; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - - if (zero_coeff[0] | zero_coeff[1]) - idct32(input, outptr); - else - memset(outptr, 0, sizeof(tran_low_t) * 32); - input += 32; - outptr += 32; - } - - // Columns - for (i = 0; i < 32; ++i) { - for (j = 0; j < 32; ++j) - temp_in[j] = out[j * 32 + i]; - idct32(temp_in, temp_out); - for (j = 0; j < 32; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 6)); - } - } -} - -void vp9_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest, - int stride) { - tran_low_t out[32 * 32] = {0}; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[32], temp_out[32]; - - // Rows - // only upper-left 8x8 has non-zero coeff - for (i = 0; i < 8; ++i) { - idct32(input, outptr); - input += 32; - outptr += 32; - } - - // Columns - for (i = 0; i < 32; ++i) { - for (j = 0; j < 32; ++j) - temp_in[j] = out[j * 32 + i]; - idct32(temp_in, temp_out); - for (j = 0; j < 32; ++j) { - dest[j * stride + i] = clip_pixel_add(dest[j * stride + i], - ROUND_POWER_OF_TWO(temp_out[j], 6)); - } - } -} - -void vp9_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest, int stride) { - int i, j; - tran_high_t a1; - - tran_low_t out = WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), 8); - out = WRAPLOW(dct_const_round_shift(out * cospi_16_64), 8); - a1 = ROUND_POWER_OF_TWO(out, 6); - - for (j = 0; j < 32; ++j) { - for (i = 0; i < 32; ++i) - dest[i] = clip_pixel_add(dest[i], a1); - dest += stride; - } -} - // idct void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride, int eob) { @@ -1424,294 +207,13 @@ void vp9_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest, } #if CONFIG_VP9_HIGHBITDEPTH -void vp9_highbd_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - /* 4-point reversible, orthonormal inverse Walsh-Hadamard in 3.5 adds, - 0.5 shifts per pixel. */ - int i; - tran_low_t output[16]; - tran_high_t a1, b1, c1, d1, e1; - const tran_low_t *ip = input; - tran_low_t *op = output; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - for (i = 0; i < 4; i++) { - a1 = ip[0] >> UNIT_QUANT_SHIFT; - c1 = ip[1] >> UNIT_QUANT_SHIFT; - d1 = ip[2] >> UNIT_QUANT_SHIFT; - b1 = ip[3] >> UNIT_QUANT_SHIFT; - a1 += c1; - d1 -= b1; - e1 = (a1 - d1) >> 1; - b1 = e1 - b1; - c1 = e1 - c1; - a1 -= b1; - d1 += c1; - op[0] = WRAPLOW(a1, bd); - op[1] = WRAPLOW(b1, bd); - op[2] = WRAPLOW(c1, bd); - op[3] = WRAPLOW(d1, bd); - ip += 4; - op += 4; - } - - ip = output; - for (i = 0; i < 4; i++) { - a1 = ip[4 * 0]; - c1 = ip[4 * 1]; - d1 = ip[4 * 2]; - b1 = ip[4 * 3]; - a1 += c1; - d1 -= b1; - e1 = (a1 - d1) >> 1; - b1 = e1 - b1; - c1 = e1 - c1; - a1 -= b1; - d1 += c1; - dest[stride * 0] = highbd_clip_pixel_add(dest[stride * 0], a1, bd); - dest[stride * 1] = highbd_clip_pixel_add(dest[stride * 1], b1, bd); - dest[stride * 2] = highbd_clip_pixel_add(dest[stride * 2], c1, bd); - dest[stride * 3] = highbd_clip_pixel_add(dest[stride * 3], d1, bd); - - ip++; - dest++; - } -} - -void vp9_highbd_iwht4x4_1_add_c(const tran_low_t *in, uint8_t *dest8, - int dest_stride, int bd) { - int i; - tran_high_t a1, e1; - tran_low_t tmp[4]; - const tran_low_t *ip = in; - tran_low_t *op = tmp; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - (void) bd; - - a1 = ip[0] >> UNIT_QUANT_SHIFT; - e1 = a1 >> 1; - a1 -= e1; - op[0] = WRAPLOW(a1, bd); - op[1] = op[2] = op[3] = WRAPLOW(e1, bd); - - ip = tmp; - for (i = 0; i < 4; i++) { - e1 = ip[0] >> 1; - a1 = ip[0] - e1; - dest[dest_stride * 0] = highbd_clip_pixel_add( - dest[dest_stride * 0], a1, bd); - dest[dest_stride * 1] = highbd_clip_pixel_add( - dest[dest_stride * 1], e1, bd); - dest[dest_stride * 2] = highbd_clip_pixel_add( - dest[dest_stride * 2], e1, bd); - dest[dest_stride * 3] = highbd_clip_pixel_add( - dest[dest_stride * 3], e1, bd); - ip++; - dest++; - } -} - -void vp9_highbd_idct4(const tran_low_t *input, tran_low_t *output, int bd) { - tran_low_t step[4]; - tran_high_t temp1, temp2; - (void) bd; - // stage 1 - temp1 = (input[0] + input[2]) * cospi_16_64; - temp2 = (input[0] - input[2]) * cospi_16_64; - step[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = input[1] * cospi_24_64 - input[3] * cospi_8_64; - temp2 = input[1] * cospi_8_64 + input[3] * cospi_24_64; - step[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - // stage 2 - output[0] = WRAPLOW(step[0] + step[3], bd); - output[1] = WRAPLOW(step[1] + step[2], bd); - output[2] = WRAPLOW(step[1] - step[2], bd); - output[3] = WRAPLOW(step[0] - step[3], bd); -} - -void vp9_highbd_idct4x4_16_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[4 * 4]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[4], temp_out[4]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // Rows - for (i = 0; i < 4; ++i) { - vp9_highbd_idct4(input, outptr, bd); - input += 4; - outptr += 4; - } - - // Columns - for (i = 0; i < 4; ++i) { - for (j = 0; j < 4; ++j) - temp_in[j] = out[j * 4 + i]; - vp9_highbd_idct4(temp_in, temp_out, bd); - for (j = 0; j < 4; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 4), bd); - } - } -} - -void vp9_highbd_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest8, - int dest_stride, int bd) { - int i; - tran_high_t a1; - tran_low_t out = WRAPLOW( - highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd); - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd); - a1 = ROUND_POWER_OF_TWO(out, 4); - - for (i = 0; i < 4; i++) { - dest[0] = highbd_clip_pixel_add(dest[0], a1, bd); - dest[1] = highbd_clip_pixel_add(dest[1], a1, bd); - dest[2] = highbd_clip_pixel_add(dest[2], a1, bd); - dest[3] = highbd_clip_pixel_add(dest[3], a1, bd); - dest += dest_stride; - } -} - -void vp9_highbd_idct8(const tran_low_t *input, tran_low_t *output, int bd) { - tran_low_t step1[8], step2[8]; - tran_high_t temp1, temp2; - // stage 1 - step1[0] = input[0]; - step1[2] = input[4]; - step1[1] = input[2]; - step1[3] = input[6]; - temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64; - temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64; - step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64; - temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - // stage 2 & stage 3 - even half - vp9_highbd_idct4(step1, step1, bd); - - // stage 2 - odd half - step2[4] = WRAPLOW(step1[4] + step1[5], bd); - step2[5] = WRAPLOW(step1[4] - step1[5], bd); - step2[6] = WRAPLOW(-step1[6] + step1[7], bd); - step2[7] = WRAPLOW(step1[6] + step1[7], bd); - - // stage 3 - odd half - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[7] = step2[7]; - - // stage 4 - output[0] = WRAPLOW(step1[0] + step1[7], bd); - output[1] = WRAPLOW(step1[1] + step1[6], bd); - output[2] = WRAPLOW(step1[2] + step1[5], bd); - output[3] = WRAPLOW(step1[3] + step1[4], bd); - output[4] = WRAPLOW(step1[3] - step1[4], bd); - output[5] = WRAPLOW(step1[2] - step1[5], bd); - output[6] = WRAPLOW(step1[1] - step1[6], bd); - output[7] = WRAPLOW(step1[0] - step1[7], bd); -} - -void vp9_highbd_idct8x8_64_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[8 * 8]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[8], temp_out[8]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // First transform rows. - for (i = 0; i < 8; ++i) { - vp9_highbd_idct8(input, outptr, bd); - input += 8; - outptr += 8; - } - - // Then transform columns. - for (i = 0; i < 8; ++i) { - for (j = 0; j < 8; ++j) - temp_in[j] = out[j * 8 + i]; - vp9_highbd_idct8(temp_in, temp_out, bd); - for (j = 0; j < 8; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd); - } - } -} - -void vp9_highbd_idct8x8_1_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - int i, j; - tran_high_t a1; - tran_low_t out = WRAPLOW( - highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd); - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd); - a1 = ROUND_POWER_OF_TWO(out, 5); - for (j = 0; j < 8; ++j) { - for (i = 0; i < 8; ++i) - dest[i] = highbd_clip_pixel_add(dest[i], a1, bd); - dest += stride; - } -} - -static void highbd_iadst4(const tran_low_t *input, tran_low_t *output, int bd) { - tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; - - tran_low_t x0 = input[0]; - tran_low_t x1 = input[1]; - tran_low_t x2 = input[2]; - tran_low_t x3 = input[3]; - (void) bd; - - if (!(x0 | x1 | x2 | x3)) { - memset(output, 0, 4 * sizeof(*output)); - return; - } - - s0 = sinpi_1_9 * x0; - s1 = sinpi_2_9 * x0; - s2 = sinpi_3_9 * x1; - s3 = sinpi_4_9 * x2; - s4 = sinpi_1_9 * x2; - s5 = sinpi_2_9 * x3; - s6 = sinpi_4_9 * x3; - s7 = (tran_high_t)(x0 - x2 + x3); - - s0 = s0 + s3 + s5; - s1 = s1 - s4 - s6; - s3 = s2; - s2 = sinpi_3_9 * s7; - - // 1-D transform scaling factor is sqrt(2). - // The overall dynamic range is 14b (input) + 14b (multiplication scaling) - // + 1b (addition) = 29b. - // Hence the output bit depth is 15b. - output[0] = WRAPLOW(highbd_dct_const_round_shift(s0 + s3, bd), bd); - output[1] = WRAPLOW(highbd_dct_const_round_shift(s1 + s3, bd), bd); - output[2] = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd); - output[3] = WRAPLOW(highbd_dct_const_round_shift(s0 + s1 - s3, bd), bd); -} - void vp9_highbd_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8, int stride, int tx_type, int bd) { const highbd_transform_2d IHT_4[] = { - { vp9_highbd_idct4, vp9_highbd_idct4 }, // DCT_DCT = 0 - { highbd_iadst4, vp9_highbd_idct4 }, // ADST_DCT = 1 - { vp9_highbd_idct4, highbd_iadst4 }, // DCT_ADST = 2 - { highbd_iadst4, highbd_iadst4 } // ADST_ADST = 3 + { vp9_highbd_idct4_c, vp9_highbd_idct4_c }, // DCT_DCT = 0 + { highbd_iadst4_c, vp9_highbd_idct4_c }, // ADST_DCT = 1 + { vp9_highbd_idct4_c, highbd_iadst4_c }, // DCT_ADST = 2 + { highbd_iadst4_c, highbd_iadst4_c } // ADST_ADST = 3 }; uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); @@ -1739,88 +241,11 @@ void vp9_highbd_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8, } } -static void highbd_iadst8(const tran_low_t *input, tran_low_t *output, int bd) { - tran_high_t s0, s1, s2, s3, s4, s5, s6, s7; - - tran_low_t x0 = input[7]; - tran_low_t x1 = input[0]; - tran_low_t x2 = input[5]; - tran_low_t x3 = input[2]; - tran_low_t x4 = input[3]; - tran_low_t x5 = input[4]; - tran_low_t x6 = input[1]; - tran_low_t x7 = input[6]; - (void) bd; - - if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) { - memset(output, 0, 8 * sizeof(*output)); - return; - } - - // stage 1 - s0 = cospi_2_64 * x0 + cospi_30_64 * x1; - s1 = cospi_30_64 * x0 - cospi_2_64 * x1; - s2 = cospi_10_64 * x2 + cospi_22_64 * x3; - s3 = cospi_22_64 * x2 - cospi_10_64 * x3; - s4 = cospi_18_64 * x4 + cospi_14_64 * x5; - s5 = cospi_14_64 * x4 - cospi_18_64 * x5; - s6 = cospi_26_64 * x6 + cospi_6_64 * x7; - s7 = cospi_6_64 * x6 - cospi_26_64 * x7; - - x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s4, bd), bd); - x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s5, bd), bd); - x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s6, bd), bd); - x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s7, bd), bd); - x4 = WRAPLOW(highbd_dct_const_round_shift(s0 - s4, bd), bd); - x5 = WRAPLOW(highbd_dct_const_round_shift(s1 - s5, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s2 - s6, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s3 - s7, bd), bd); - - // stage 2 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = cospi_8_64 * x4 + cospi_24_64 * x5; - s5 = cospi_24_64 * x4 - cospi_8_64 * x5; - s6 = -cospi_24_64 * x6 + cospi_8_64 * x7; - s7 = cospi_8_64 * x6 + cospi_24_64 * x7; - - x0 = WRAPLOW(s0 + s2, bd); - x1 = WRAPLOW(s1 + s3, bd); - x2 = WRAPLOW(s0 - s2, bd); - x3 = WRAPLOW(s1 - s3, bd); - x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd); - x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd); - - // stage 3 - s2 = cospi_16_64 * (x2 + x3); - s3 = cospi_16_64 * (x2 - x3); - s6 = cospi_16_64 * (x6 + x7); - s7 = cospi_16_64 * (x6 - x7); - - x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd); - x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd); - - output[0] = WRAPLOW(x0, bd); - output[1] = WRAPLOW(-x4, bd); - output[2] = WRAPLOW(x6, bd); - output[3] = WRAPLOW(-x2, bd); - output[4] = WRAPLOW(x3, bd); - output[5] = WRAPLOW(-x7, bd); - output[6] = WRAPLOW(x5, bd); - output[7] = WRAPLOW(-x1, bd); -} - static const highbd_transform_2d HIGH_IHT_8[] = { - { vp9_highbd_idct8, vp9_highbd_idct8 }, // DCT_DCT = 0 - { highbd_iadst8, vp9_highbd_idct8 }, // ADST_DCT = 1 - { vp9_highbd_idct8, highbd_iadst8 }, // DCT_ADST = 2 - { highbd_iadst8, highbd_iadst8 } // ADST_ADST = 3 + { vp9_highbd_idct8_c, vp9_highbd_idct8_c }, // DCT_DCT = 0 + { highbd_iadst8_c, vp9_highbd_idct8_c }, // ADST_DCT = 1 + { vp9_highbd_idct8_c, highbd_iadst8_c }, // DCT_ADST = 2 + { highbd_iadst8_c, highbd_iadst8_c } // ADST_ADST = 3 }; void vp9_highbd_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest8, @@ -1851,402 +276,11 @@ void vp9_highbd_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest8, } } -void vp9_highbd_idct8x8_10_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[8 * 8] = { 0 }; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[8], temp_out[8]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // First transform rows. - // Only first 4 row has non-zero coefs. - for (i = 0; i < 4; ++i) { - vp9_highbd_idct8(input, outptr, bd); - input += 8; - outptr += 8; - } - // Then transform columns. - for (i = 0; i < 8; ++i) { - for (j = 0; j < 8; ++j) - temp_in[j] = out[j * 8 + i]; - vp9_highbd_idct8(temp_in, temp_out, bd); - for (j = 0; j < 8; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 5), bd); - } - } -} - -void vp9_highbd_idct16(const tran_low_t *input, tran_low_t *output, int bd) { - tran_low_t step1[16], step2[16]; - tran_high_t temp1, temp2; - (void) bd; - - // stage 1 - step1[0] = input[0/2]; - step1[1] = input[16/2]; - step1[2] = input[8/2]; - step1[3] = input[24/2]; - step1[4] = input[4/2]; - step1[5] = input[20/2]; - step1[6] = input[12/2]; - step1[7] = input[28/2]; - step1[8] = input[2/2]; - step1[9] = input[18/2]; - step1[10] = input[10/2]; - step1[11] = input[26/2]; - step1[12] = input[6/2]; - step1[13] = input[22/2]; - step1[14] = input[14/2]; - step1[15] = input[30/2]; - - // stage 2 - step2[0] = step1[0]; - step2[1] = step1[1]; - step2[2] = step1[2]; - step2[3] = step1[3]; - step2[4] = step1[4]; - step2[5] = step1[5]; - step2[6] = step1[6]; - step2[7] = step1[7]; - - temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64; - temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64; - step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64; - temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64; - step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64; - temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64; - temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64; - step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - // stage 3 - step1[0] = step2[0]; - step1[1] = step2[1]; - step1[2] = step2[2]; - step1[3] = step2[3]; - - temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64; - temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64; - step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64; - temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - step1[8] = WRAPLOW(step2[8] + step2[9], bd); - step1[9] = WRAPLOW(step2[8] - step2[9], bd); - step1[10] = WRAPLOW(-step2[10] + step2[11], bd); - step1[11] = WRAPLOW(step2[10] + step2[11], bd); - step1[12] = WRAPLOW(step2[12] + step2[13], bd); - step1[13] = WRAPLOW(step2[12] - step2[13], bd); - step1[14] = WRAPLOW(-step2[14] + step2[15], bd); - step1[15] = WRAPLOW(step2[14] + step2[15], bd); - - // stage 4 - temp1 = (step1[0] + step1[1]) * cospi_16_64; - temp2 = (step1[0] - step1[1]) * cospi_16_64; - step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64; - temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64; - step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[4] = WRAPLOW(step1[4] + step1[5], bd); - step2[5] = WRAPLOW(step1[4] - step1[5], bd); - step2[6] = WRAPLOW(-step1[6] + step1[7], bd); - step2[7] = WRAPLOW(step1[6] + step1[7], bd); - - step2[8] = step1[8]; - step2[15] = step1[15]; - temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64; - temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64; - step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64; - temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[11] = step1[11]; - step2[12] = step1[12]; - - // stage 5 - step1[0] = WRAPLOW(step2[0] + step2[3], bd); - step1[1] = WRAPLOW(step2[1] + step2[2], bd); - step1[2] = WRAPLOW(step2[1] - step2[2], bd); - step1[3] = WRAPLOW(step2[0] - step2[3], bd); - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[7] = step2[7]; - - step1[8] = WRAPLOW(step2[8] + step2[11], bd); - step1[9] = WRAPLOW(step2[9] + step2[10], bd); - step1[10] = WRAPLOW(step2[9] - step2[10], bd); - step1[11] = WRAPLOW(step2[8] - step2[11], bd); - step1[12] = WRAPLOW(-step2[12] + step2[15], bd); - step1[13] = WRAPLOW(-step2[13] + step2[14], bd); - step1[14] = WRAPLOW(step2[13] + step2[14], bd); - step1[15] = WRAPLOW(step2[12] + step2[15], bd); - - // stage 6 - step2[0] = WRAPLOW(step1[0] + step1[7], bd); - step2[1] = WRAPLOW(step1[1] + step1[6], bd); - step2[2] = WRAPLOW(step1[2] + step1[5], bd); - step2[3] = WRAPLOW(step1[3] + step1[4], bd); - step2[4] = WRAPLOW(step1[3] - step1[4], bd); - step2[5] = WRAPLOW(step1[2] - step1[5], bd); - step2[6] = WRAPLOW(step1[1] - step1[6], bd); - step2[7] = WRAPLOW(step1[0] - step1[7], bd); - step2[8] = step1[8]; - step2[9] = step1[9]; - temp1 = (-step1[10] + step1[13]) * cospi_16_64; - temp2 = (step1[10] + step1[13]) * cospi_16_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = (-step1[11] + step1[12]) * cospi_16_64; - temp2 = (step1[11] + step1[12]) * cospi_16_64; - step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[14] = step1[14]; - step2[15] = step1[15]; - - // stage 7 - output[0] = WRAPLOW(step2[0] + step2[15], bd); - output[1] = WRAPLOW(step2[1] + step2[14], bd); - output[2] = WRAPLOW(step2[2] + step2[13], bd); - output[3] = WRAPLOW(step2[3] + step2[12], bd); - output[4] = WRAPLOW(step2[4] + step2[11], bd); - output[5] = WRAPLOW(step2[5] + step2[10], bd); - output[6] = WRAPLOW(step2[6] + step2[9], bd); - output[7] = WRAPLOW(step2[7] + step2[8], bd); - output[8] = WRAPLOW(step2[7] - step2[8], bd); - output[9] = WRAPLOW(step2[6] - step2[9], bd); - output[10] = WRAPLOW(step2[5] - step2[10], bd); - output[11] = WRAPLOW(step2[4] - step2[11], bd); - output[12] = WRAPLOW(step2[3] - step2[12], bd); - output[13] = WRAPLOW(step2[2] - step2[13], bd); - output[14] = WRAPLOW(step2[1] - step2[14], bd); - output[15] = WRAPLOW(step2[0] - step2[15], bd); -} - -void vp9_highbd_idct16x16_256_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[16 * 16]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[16], temp_out[16]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // First transform rows. - for (i = 0; i < 16; ++i) { - vp9_highbd_idct16(input, outptr, bd); - input += 16; - outptr += 16; - } - - // Then transform columns. - for (i = 0; i < 16; ++i) { - for (j = 0; j < 16; ++j) - temp_in[j] = out[j * 16 + i]; - vp9_highbd_idct16(temp_in, temp_out, bd); - for (j = 0; j < 16; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); - } - } -} - -static void highbd_iadst16(const tran_low_t *input, tran_low_t *output, - int bd) { - tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8; - tran_high_t s9, s10, s11, s12, s13, s14, s15; - - tran_low_t x0 = input[15]; - tran_low_t x1 = input[0]; - tran_low_t x2 = input[13]; - tran_low_t x3 = input[2]; - tran_low_t x4 = input[11]; - tran_low_t x5 = input[4]; - tran_low_t x6 = input[9]; - tran_low_t x7 = input[6]; - tran_low_t x8 = input[7]; - tran_low_t x9 = input[8]; - tran_low_t x10 = input[5]; - tran_low_t x11 = input[10]; - tran_low_t x12 = input[3]; - tran_low_t x13 = input[12]; - tran_low_t x14 = input[1]; - tran_low_t x15 = input[14]; - (void) bd; - - if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 - | x9 | x10 | x11 | x12 | x13 | x14 | x15)) { - memset(output, 0, 16 * sizeof(*output)); - return; - } - - // stage 1 - s0 = x0 * cospi_1_64 + x1 * cospi_31_64; - s1 = x0 * cospi_31_64 - x1 * cospi_1_64; - s2 = x2 * cospi_5_64 + x3 * cospi_27_64; - s3 = x2 * cospi_27_64 - x3 * cospi_5_64; - s4 = x4 * cospi_9_64 + x5 * cospi_23_64; - s5 = x4 * cospi_23_64 - x5 * cospi_9_64; - s6 = x6 * cospi_13_64 + x7 * cospi_19_64; - s7 = x6 * cospi_19_64 - x7 * cospi_13_64; - s8 = x8 * cospi_17_64 + x9 * cospi_15_64; - s9 = x8 * cospi_15_64 - x9 * cospi_17_64; - s10 = x10 * cospi_21_64 + x11 * cospi_11_64; - s11 = x10 * cospi_11_64 - x11 * cospi_21_64; - s12 = x12 * cospi_25_64 + x13 * cospi_7_64; - s13 = x12 * cospi_7_64 - x13 * cospi_25_64; - s14 = x14 * cospi_29_64 + x15 * cospi_3_64; - s15 = x14 * cospi_3_64 - x15 * cospi_29_64; - - x0 = WRAPLOW(highbd_dct_const_round_shift(s0 + s8, bd), bd); - x1 = WRAPLOW(highbd_dct_const_round_shift(s1 + s9, bd), bd); - x2 = WRAPLOW(highbd_dct_const_round_shift(s2 + s10, bd), bd); - x3 = WRAPLOW(highbd_dct_const_round_shift(s3 + s11, bd), bd); - x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s12, bd), bd); - x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s13, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s6 + s14, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s7 + s15, bd), bd); - x8 = WRAPLOW(highbd_dct_const_round_shift(s0 - s8, bd), bd); - x9 = WRAPLOW(highbd_dct_const_round_shift(s1 - s9, bd), bd); - x10 = WRAPLOW(highbd_dct_const_round_shift(s2 - s10, bd), bd); - x11 = WRAPLOW(highbd_dct_const_round_shift(s3 - s11, bd), bd); - x12 = WRAPLOW(highbd_dct_const_round_shift(s4 - s12, bd), bd); - x13 = WRAPLOW(highbd_dct_const_round_shift(s5 - s13, bd), bd); - x14 = WRAPLOW(highbd_dct_const_round_shift(s6 - s14, bd), bd); - x15 = WRAPLOW(highbd_dct_const_round_shift(s7 - s15, bd), bd); - - // stage 2 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = x4; - s5 = x5; - s6 = x6; - s7 = x7; - s8 = x8 * cospi_4_64 + x9 * cospi_28_64; - s9 = x8 * cospi_28_64 - x9 * cospi_4_64; - s10 = x10 * cospi_20_64 + x11 * cospi_12_64; - s11 = x10 * cospi_12_64 - x11 * cospi_20_64; - s12 = -x12 * cospi_28_64 + x13 * cospi_4_64; - s13 = x12 * cospi_4_64 + x13 * cospi_28_64; - s14 = -x14 * cospi_12_64 + x15 * cospi_20_64; - s15 = x14 * cospi_20_64 + x15 * cospi_12_64; - - x0 = WRAPLOW(s0 + s4, bd); - x1 = WRAPLOW(s1 + s5, bd); - x2 = WRAPLOW(s2 + s6, bd); - x3 = WRAPLOW(s3 + s7, bd); - x4 = WRAPLOW(s0 - s4, bd); - x5 = WRAPLOW(s1 - s5, bd); - x6 = WRAPLOW(s2 - s6, bd); - x7 = WRAPLOW(s3 - s7, bd); - x8 = WRAPLOW(highbd_dct_const_round_shift(s8 + s12, bd), bd); - x9 = WRAPLOW(highbd_dct_const_round_shift(s9 + s13, bd), bd); - x10 = WRAPLOW(highbd_dct_const_round_shift(s10 + s14, bd), bd); - x11 = WRAPLOW(highbd_dct_const_round_shift(s11 + s15, bd), bd); - x12 = WRAPLOW(highbd_dct_const_round_shift(s8 - s12, bd), bd); - x13 = WRAPLOW(highbd_dct_const_round_shift(s9 - s13, bd), bd); - x14 = WRAPLOW(highbd_dct_const_round_shift(s10 - s14, bd), bd); - x15 = WRAPLOW(highbd_dct_const_round_shift(s11 - s15, bd), bd); - - // stage 3 - s0 = x0; - s1 = x1; - s2 = x2; - s3 = x3; - s4 = x4 * cospi_8_64 + x5 * cospi_24_64; - s5 = x4 * cospi_24_64 - x5 * cospi_8_64; - s6 = -x6 * cospi_24_64 + x7 * cospi_8_64; - s7 = x6 * cospi_8_64 + x7 * cospi_24_64; - s8 = x8; - s9 = x9; - s10 = x10; - s11 = x11; - s12 = x12 * cospi_8_64 + x13 * cospi_24_64; - s13 = x12 * cospi_24_64 - x13 * cospi_8_64; - s14 = -x14 * cospi_24_64 + x15 * cospi_8_64; - s15 = x14 * cospi_8_64 + x15 * cospi_24_64; - - x0 = WRAPLOW(s0 + s2, bd); - x1 = WRAPLOW(s1 + s3, bd); - x2 = WRAPLOW(s0 - s2, bd); - x3 = WRAPLOW(s1 - s3, bd); - x4 = WRAPLOW(highbd_dct_const_round_shift(s4 + s6, bd), bd); - x5 = WRAPLOW(highbd_dct_const_round_shift(s5 + s7, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s4 - s6, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s5 - s7, bd), bd); - x8 = WRAPLOW(s8 + s10, bd); - x9 = WRAPLOW(s9 + s11, bd); - x10 = WRAPLOW(s8 - s10, bd); - x11 = WRAPLOW(s9 - s11, bd); - x12 = WRAPLOW(highbd_dct_const_round_shift(s12 + s14, bd), bd); - x13 = WRAPLOW(highbd_dct_const_round_shift(s13 + s15, bd), bd); - x14 = WRAPLOW(highbd_dct_const_round_shift(s12 - s14, bd), bd); - x15 = WRAPLOW(highbd_dct_const_round_shift(s13 - s15, bd), bd); - - // stage 4 - s2 = (- cospi_16_64) * (x2 + x3); - s3 = cospi_16_64 * (x2 - x3); - s6 = cospi_16_64 * (x6 + x7); - s7 = cospi_16_64 * (-x6 + x7); - s10 = cospi_16_64 * (x10 + x11); - s11 = cospi_16_64 * (-x10 + x11); - s14 = (- cospi_16_64) * (x14 + x15); - s15 = cospi_16_64 * (x14 - x15); - - x2 = WRAPLOW(highbd_dct_const_round_shift(s2, bd), bd); - x3 = WRAPLOW(highbd_dct_const_round_shift(s3, bd), bd); - x6 = WRAPLOW(highbd_dct_const_round_shift(s6, bd), bd); - x7 = WRAPLOW(highbd_dct_const_round_shift(s7, bd), bd); - x10 = WRAPLOW(highbd_dct_const_round_shift(s10, bd), bd); - x11 = WRAPLOW(highbd_dct_const_round_shift(s11, bd), bd); - x14 = WRAPLOW(highbd_dct_const_round_shift(s14, bd), bd); - x15 = WRAPLOW(highbd_dct_const_round_shift(s15, bd), bd); - - output[0] = WRAPLOW(x0, bd); - output[1] = WRAPLOW(-x8, bd); - output[2] = WRAPLOW(x12, bd); - output[3] = WRAPLOW(-x4, bd); - output[4] = WRAPLOW(x6, bd); - output[5] = WRAPLOW(x14, bd); - output[6] = WRAPLOW(x10, bd); - output[7] = WRAPLOW(x2, bd); - output[8] = WRAPLOW(x3, bd); - output[9] = WRAPLOW(x11, bd); - output[10] = WRAPLOW(x15, bd); - output[11] = WRAPLOW(x7, bd); - output[12] = WRAPLOW(x5, bd); - output[13] = WRAPLOW(-x13, bd); - output[14] = WRAPLOW(x9, bd); - output[15] = WRAPLOW(-x1, bd); -} - static const highbd_transform_2d HIGH_IHT_16[] = { - { vp9_highbd_idct16, vp9_highbd_idct16 }, // DCT_DCT = 0 - { highbd_iadst16, vp9_highbd_idct16 }, // ADST_DCT = 1 - { vp9_highbd_idct16, highbd_iadst16 }, // DCT_ADST = 2 - { highbd_iadst16, highbd_iadst16 } // ADST_ADST = 3 + { vp9_highbd_idct16_c, vp9_highbd_idct16_c }, // DCT_DCT = 0 + { highbd_iadst16_c, vp9_highbd_idct16_c }, // ADST_DCT = 1 + { vp9_highbd_idct16_c, highbd_iadst16_c }, // DCT_ADST = 2 + { highbd_iadst16_c, highbd_iadst16_c } // ADST_ADST = 3 }; void vp9_highbd_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest8, @@ -2277,504 +311,6 @@ void vp9_highbd_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest8, } } -void vp9_highbd_idct16x16_10_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[16 * 16] = { 0 }; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[16], temp_out[16]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // First transform rows. Since all non-zero dct coefficients are in - // upper-left 4x4 area, we only need to calculate first 4 rows here. - for (i = 0; i < 4; ++i) { - vp9_highbd_idct16(input, outptr, bd); - input += 16; - outptr += 16; - } - - // Then transform columns. - for (i = 0; i < 16; ++i) { - for (j = 0; j < 16; ++j) - temp_in[j] = out[j*16 + i]; - vp9_highbd_idct16(temp_in, temp_out, bd); - for (j = 0; j < 16; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); - } - } -} - -void vp9_highbd_idct16x16_1_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - int i, j; - tran_high_t a1; - tran_low_t out = WRAPLOW( - highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd); - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd); - a1 = ROUND_POWER_OF_TWO(out, 6); - for (j = 0; j < 16; ++j) { - for (i = 0; i < 16; ++i) - dest[i] = highbd_clip_pixel_add(dest[i], a1, bd); - dest += stride; - } -} - -static void highbd_idct32(const tran_low_t *input, tran_low_t *output, int bd) { - tran_low_t step1[32], step2[32]; - tran_high_t temp1, temp2; - (void) bd; - - // stage 1 - step1[0] = input[0]; - step1[1] = input[16]; - step1[2] = input[8]; - step1[3] = input[24]; - step1[4] = input[4]; - step1[5] = input[20]; - step1[6] = input[12]; - step1[7] = input[28]; - step1[8] = input[2]; - step1[9] = input[18]; - step1[10] = input[10]; - step1[11] = input[26]; - step1[12] = input[6]; - step1[13] = input[22]; - step1[14] = input[14]; - step1[15] = input[30]; - - temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64; - temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64; - step1[16] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[31] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64; - temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64; - step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64; - temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64; - step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64; - temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64; - step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64; - temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64; - step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64; - temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64; - step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64; - temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64; - step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64; - temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64; - step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - // stage 2 - step2[0] = step1[0]; - step2[1] = step1[1]; - step2[2] = step1[2]; - step2[3] = step1[3]; - step2[4] = step1[4]; - step2[5] = step1[5]; - step2[6] = step1[6]; - step2[7] = step1[7]; - - temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64; - temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64; - step2[8] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[15] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64; - temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64; - step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64; - temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64; - temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64; - step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - step2[16] = WRAPLOW(step1[16] + step1[17], bd); - step2[17] = WRAPLOW(step1[16] - step1[17], bd); - step2[18] = WRAPLOW(-step1[18] + step1[19], bd); - step2[19] = WRAPLOW(step1[18] + step1[19], bd); - step2[20] = WRAPLOW(step1[20] + step1[21], bd); - step2[21] = WRAPLOW(step1[20] - step1[21], bd); - step2[22] = WRAPLOW(-step1[22] + step1[23], bd); - step2[23] = WRAPLOW(step1[22] + step1[23], bd); - step2[24] = WRAPLOW(step1[24] + step1[25], bd); - step2[25] = WRAPLOW(step1[24] - step1[25], bd); - step2[26] = WRAPLOW(-step1[26] + step1[27], bd); - step2[27] = WRAPLOW(step1[26] + step1[27], bd); - step2[28] = WRAPLOW(step1[28] + step1[29], bd); - step2[29] = WRAPLOW(step1[28] - step1[29], bd); - step2[30] = WRAPLOW(-step1[30] + step1[31], bd); - step2[31] = WRAPLOW(step1[30] + step1[31], bd); - - // stage 3 - step1[0] = step2[0]; - step1[1] = step2[1]; - step1[2] = step2[2]; - step1[3] = step2[3]; - - temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64; - temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64; - step1[4] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[7] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64; - temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - - step1[8] = WRAPLOW(step2[8] + step2[9], bd); - step1[9] = WRAPLOW(step2[8] - step2[9], bd); - step1[10] = WRAPLOW(-step2[10] + step2[11], bd); - step1[11] = WRAPLOW(step2[10] + step2[11], bd); - step1[12] = WRAPLOW(step2[12] + step2[13], bd); - step1[13] = WRAPLOW(step2[12] - step2[13], bd); - step1[14] = WRAPLOW(-step2[14] + step2[15], bd); - step1[15] = WRAPLOW(step2[14] + step2[15], bd); - - step1[16] = step2[16]; - step1[31] = step2[31]; - temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64; - temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64; - step1[17] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[30] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64; - temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64; - step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[19] = step2[19]; - step1[20] = step2[20]; - temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64; - temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64; - step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64; - temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64; - step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[23] = step2[23]; - step1[24] = step2[24]; - step1[27] = step2[27]; - step1[28] = step2[28]; - - // stage 4 - temp1 = (step1[0] + step1[1]) * cospi_16_64; - temp2 = (step1[0] - step1[1]) * cospi_16_64; - step2[0] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[1] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64; - temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64; - step2[2] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[3] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[4] = WRAPLOW(step1[4] + step1[5], bd); - step2[5] = WRAPLOW(step1[4] - step1[5], bd); - step2[6] = WRAPLOW(-step1[6] + step1[7], bd); - step2[7] = WRAPLOW(step1[6] + step1[7], bd); - - step2[8] = step1[8]; - step2[15] = step1[15]; - temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64; - temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64; - step2[9] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[14] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64; - temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[11] = step1[11]; - step2[12] = step1[12]; - - step2[16] = WRAPLOW(step1[16] + step1[19], bd); - step2[17] = WRAPLOW(step1[17] + step1[18], bd); - step2[18] = WRAPLOW(step1[17] - step1[18], bd); - step2[19] = WRAPLOW(step1[16] - step1[19], bd); - step2[20] = WRAPLOW(-step1[20] + step1[23], bd); - step2[21] = WRAPLOW(-step1[21] + step1[22], bd); - step2[22] = WRAPLOW(step1[21] + step1[22], bd); - step2[23] = WRAPLOW(step1[20] + step1[23], bd); - - step2[24] = WRAPLOW(step1[24] + step1[27], bd); - step2[25] = WRAPLOW(step1[25] + step1[26], bd); - step2[26] = WRAPLOW(step1[25] - step1[26], bd); - step2[27] = WRAPLOW(step1[24] - step1[27], bd); - step2[28] = WRAPLOW(-step1[28] + step1[31], bd); - step2[29] = WRAPLOW(-step1[29] + step1[30], bd); - step2[30] = WRAPLOW(step1[29] + step1[30], bd); - step2[31] = WRAPLOW(step1[28] + step1[31], bd); - - // stage 5 - step1[0] = WRAPLOW(step2[0] + step2[3], bd); - step1[1] = WRAPLOW(step2[1] + step2[2], bd); - step1[2] = WRAPLOW(step2[1] - step2[2], bd); - step1[3] = WRAPLOW(step2[0] - step2[3], bd); - step1[4] = step2[4]; - temp1 = (step2[6] - step2[5]) * cospi_16_64; - temp2 = (step2[5] + step2[6]) * cospi_16_64; - step1[5] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[6] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[7] = step2[7]; - - step1[8] = WRAPLOW(step2[8] + step2[11], bd); - step1[9] = WRAPLOW(step2[9] + step2[10], bd); - step1[10] = WRAPLOW(step2[9] - step2[10], bd); - step1[11] = WRAPLOW(step2[8] - step2[11], bd); - step1[12] = WRAPLOW(-step2[12] + step2[15], bd); - step1[13] = WRAPLOW(-step2[13] + step2[14], bd); - step1[14] = WRAPLOW(step2[13] + step2[14], bd); - step1[15] = WRAPLOW(step2[12] + step2[15], bd); - - step1[16] = step2[16]; - step1[17] = step2[17]; - temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64; - temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64; - step1[18] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[29] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64; - temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64; - step1[19] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[28] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64; - temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64; - step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64; - temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64; - step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[22] = step2[22]; - step1[23] = step2[23]; - step1[24] = step2[24]; - step1[25] = step2[25]; - step1[30] = step2[30]; - step1[31] = step2[31]; - - // stage 6 - step2[0] = WRAPLOW(step1[0] + step1[7], bd); - step2[1] = WRAPLOW(step1[1] + step1[6], bd); - step2[2] = WRAPLOW(step1[2] + step1[5], bd); - step2[3] = WRAPLOW(step1[3] + step1[4], bd); - step2[4] = WRAPLOW(step1[3] - step1[4], bd); - step2[5] = WRAPLOW(step1[2] - step1[5], bd); - step2[6] = WRAPLOW(step1[1] - step1[6], bd); - step2[7] = WRAPLOW(step1[0] - step1[7], bd); - step2[8] = step1[8]; - step2[9] = step1[9]; - temp1 = (-step1[10] + step1[13]) * cospi_16_64; - temp2 = (step1[10] + step1[13]) * cospi_16_64; - step2[10] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[13] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = (-step1[11] + step1[12]) * cospi_16_64; - temp2 = (step1[11] + step1[12]) * cospi_16_64; - step2[11] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step2[12] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step2[14] = step1[14]; - step2[15] = step1[15]; - - step2[16] = WRAPLOW(step1[16] + step1[23], bd); - step2[17] = WRAPLOW(step1[17] + step1[22], bd); - step2[18] = WRAPLOW(step1[18] + step1[21], bd); - step2[19] = WRAPLOW(step1[19] + step1[20], bd); - step2[20] = WRAPLOW(step1[19] - step1[20], bd); - step2[21] = WRAPLOW(step1[18] - step1[21], bd); - step2[22] = WRAPLOW(step1[17] - step1[22], bd); - step2[23] = WRAPLOW(step1[16] - step1[23], bd); - - step2[24] = WRAPLOW(-step1[24] + step1[31], bd); - step2[25] = WRAPLOW(-step1[25] + step1[30], bd); - step2[26] = WRAPLOW(-step1[26] + step1[29], bd); - step2[27] = WRAPLOW(-step1[27] + step1[28], bd); - step2[28] = WRAPLOW(step1[27] + step1[28], bd); - step2[29] = WRAPLOW(step1[26] + step1[29], bd); - step2[30] = WRAPLOW(step1[25] + step1[30], bd); - step2[31] = WRAPLOW(step1[24] + step1[31], bd); - - // stage 7 - step1[0] = WRAPLOW(step2[0] + step2[15], bd); - step1[1] = WRAPLOW(step2[1] + step2[14], bd); - step1[2] = WRAPLOW(step2[2] + step2[13], bd); - step1[3] = WRAPLOW(step2[3] + step2[12], bd); - step1[4] = WRAPLOW(step2[4] + step2[11], bd); - step1[5] = WRAPLOW(step2[5] + step2[10], bd); - step1[6] = WRAPLOW(step2[6] + step2[9], bd); - step1[7] = WRAPLOW(step2[7] + step2[8], bd); - step1[8] = WRAPLOW(step2[7] - step2[8], bd); - step1[9] = WRAPLOW(step2[6] - step2[9], bd); - step1[10] = WRAPLOW(step2[5] - step2[10], bd); - step1[11] = WRAPLOW(step2[4] - step2[11], bd); - step1[12] = WRAPLOW(step2[3] - step2[12], bd); - step1[13] = WRAPLOW(step2[2] - step2[13], bd); - step1[14] = WRAPLOW(step2[1] - step2[14], bd); - step1[15] = WRAPLOW(step2[0] - step2[15], bd); - - step1[16] = step2[16]; - step1[17] = step2[17]; - step1[18] = step2[18]; - step1[19] = step2[19]; - temp1 = (-step2[20] + step2[27]) * cospi_16_64; - temp2 = (step2[20] + step2[27]) * cospi_16_64; - step1[20] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[27] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = (-step2[21] + step2[26]) * cospi_16_64; - temp2 = (step2[21] + step2[26]) * cospi_16_64; - step1[21] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[26] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = (-step2[22] + step2[25]) * cospi_16_64; - temp2 = (step2[22] + step2[25]) * cospi_16_64; - step1[22] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[25] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - temp1 = (-step2[23] + step2[24]) * cospi_16_64; - temp2 = (step2[23] + step2[24]) * cospi_16_64; - step1[23] = WRAPLOW(highbd_dct_const_round_shift(temp1, bd), bd); - step1[24] = WRAPLOW(highbd_dct_const_round_shift(temp2, bd), bd); - step1[28] = step2[28]; - step1[29] = step2[29]; - step1[30] = step2[30]; - step1[31] = step2[31]; - - // final stage - output[0] = WRAPLOW(step1[0] + step1[31], bd); - output[1] = WRAPLOW(step1[1] + step1[30], bd); - output[2] = WRAPLOW(step1[2] + step1[29], bd); - output[3] = WRAPLOW(step1[3] + step1[28], bd); - output[4] = WRAPLOW(step1[4] + step1[27], bd); - output[5] = WRAPLOW(step1[5] + step1[26], bd); - output[6] = WRAPLOW(step1[6] + step1[25], bd); - output[7] = WRAPLOW(step1[7] + step1[24], bd); - output[8] = WRAPLOW(step1[8] + step1[23], bd); - output[9] = WRAPLOW(step1[9] + step1[22], bd); - output[10] = WRAPLOW(step1[10] + step1[21], bd); - output[11] = WRAPLOW(step1[11] + step1[20], bd); - output[12] = WRAPLOW(step1[12] + step1[19], bd); - output[13] = WRAPLOW(step1[13] + step1[18], bd); - output[14] = WRAPLOW(step1[14] + step1[17], bd); - output[15] = WRAPLOW(step1[15] + step1[16], bd); - output[16] = WRAPLOW(step1[15] - step1[16], bd); - output[17] = WRAPLOW(step1[14] - step1[17], bd); - output[18] = WRAPLOW(step1[13] - step1[18], bd); - output[19] = WRAPLOW(step1[12] - step1[19], bd); - output[20] = WRAPLOW(step1[11] - step1[20], bd); - output[21] = WRAPLOW(step1[10] - step1[21], bd); - output[22] = WRAPLOW(step1[9] - step1[22], bd); - output[23] = WRAPLOW(step1[8] - step1[23], bd); - output[24] = WRAPLOW(step1[7] - step1[24], bd); - output[25] = WRAPLOW(step1[6] - step1[25], bd); - output[26] = WRAPLOW(step1[5] - step1[26], bd); - output[27] = WRAPLOW(step1[4] - step1[27], bd); - output[28] = WRAPLOW(step1[3] - step1[28], bd); - output[29] = WRAPLOW(step1[2] - step1[29], bd); - output[30] = WRAPLOW(step1[1] - step1[30], bd); - output[31] = WRAPLOW(step1[0] - step1[31], bd); -} - -void vp9_highbd_idct32x32_1024_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[32 * 32]; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[32], temp_out[32]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // Rows - for (i = 0; i < 32; ++i) { - tran_low_t zero_coeff[16]; - for (j = 0; j < 16; ++j) - zero_coeff[j] = input[2 * j] | input[2 * j + 1]; - for (j = 0; j < 8; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - for (j = 0; j < 4; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - for (j = 0; j < 2; ++j) - zero_coeff[j] = zero_coeff[2 * j] | zero_coeff[2 * j + 1]; - - if (zero_coeff[0] | zero_coeff[1]) - highbd_idct32(input, outptr, bd); - else - memset(outptr, 0, sizeof(tran_low_t) * 32); - input += 32; - outptr += 32; - } - - // Columns - for (i = 0; i < 32; ++i) { - for (j = 0; j < 32; ++j) - temp_in[j] = out[j * 32 + i]; - highbd_idct32(temp_in, temp_out, bd); - for (j = 0; j < 32; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); - } - } -} - -void vp9_highbd_idct32x32_34_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - tran_low_t out[32 * 32] = {0}; - tran_low_t *outptr = out; - int i, j; - tran_low_t temp_in[32], temp_out[32]; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - // Rows - // Only upper-left 8x8 has non-zero coeff. - for (i = 0; i < 8; ++i) { - highbd_idct32(input, outptr, bd); - input += 32; - outptr += 32; - } - // Columns - for (i = 0; i < 32; ++i) { - for (j = 0; j < 32; ++j) - temp_in[j] = out[j * 32 + i]; - highbd_idct32(temp_in, temp_out, bd); - for (j = 0; j < 32; ++j) { - dest[j * stride + i] = highbd_clip_pixel_add( - dest[j * stride + i], ROUND_POWER_OF_TWO(temp_out[j], 6), bd); - } - } -} - -void vp9_highbd_idct32x32_1_add_c(const tran_low_t *input, uint8_t *dest8, - int stride, int bd) { - int i, j; - int a1; - uint16_t *dest = CONVERT_TO_SHORTPTR(dest8); - - tran_low_t out = WRAPLOW( - highbd_dct_const_round_shift(input[0] * cospi_16_64, bd), bd); - out = WRAPLOW(highbd_dct_const_round_shift(out * cospi_16_64, bd), bd); - a1 = ROUND_POWER_OF_TWO(out, 6); - - for (j = 0; j < 32; ++j) { - for (i = 0; i < 32; ++i) - dest[i] = highbd_clip_pixel_add(dest[i], a1, bd); - dest += stride; - } -} - // idct void vp9_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride, int eob, int bd) { |