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-rw-r--r--third_party/aom/av1/common/idct.c3067
1 files changed, 3067 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/idct.c b/third_party/aom/av1/common/idct.c
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index 000000000..0ea58bfe6
--- /dev/null
+++ b/third_party/aom/av1/common/idct.c
@@ -0,0 +1,3067 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <math.h>
+
+#include "./aom_dsp_rtcd.h"
+#include "./av1_rtcd.h"
+#include "aom_dsp/inv_txfm.h"
+#include "aom_ports/mem.h"
+#include "av1/common/av1_inv_txfm2d_cfg.h"
+#include "av1/common/blockd.h"
+#include "av1/common/enums.h"
+#include "av1/common/idct.h"
+
+int av1_get_tx_scale(const TX_SIZE tx_size) {
+ if (txsize_sqr_up_map[tx_size] == TX_32X32) return 1;
+#if CONFIG_TX64X64
+ else if (txsize_sqr_up_map[tx_size] == TX_64X64)
+ return 2;
+#endif // CONFIG_TX64X64
+ else
+ return 0;
+}
+
+// NOTE: The implementation of all inverses need to be aware of the fact
+// that input and output could be the same buffer.
+
+#if CONFIG_EXT_TX
+static void iidtx4_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ for (i = 0; i < 4; ++i)
+ output[i] = (tran_low_t)dct_const_round_shift(input[i] * Sqrt2);
+}
+
+static void iidtx8_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ for (i = 0; i < 8; ++i) output[i] = input[i] * 2;
+}
+
+static void iidtx16_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ for (i = 0; i < 16; ++i)
+ output[i] = (tran_low_t)dct_const_round_shift(input[i] * 2 * Sqrt2);
+}
+
+static void iidtx32_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ for (i = 0; i < 32; ++i) output[i] = input[i] * 4;
+}
+
+#if CONFIG_TX64X64
+static void iidtx64_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ for (i = 0; i < 64; ++i)
+ output[i] = (tran_low_t)dct_const_round_shift(input[i] * 4 * Sqrt2);
+}
+#endif // CONFIG_TX64X64
+#endif // CONFIG_EXT_TX
+
+// For use in lieu of ADST
+static void ihalfright32_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ tran_low_t inputhalf[16];
+ // Multiply input by sqrt(2)
+ for (i = 0; i < 16; ++i) {
+ inputhalf[i] = (tran_low_t)dct_const_round_shift(input[i] * Sqrt2);
+ }
+ for (i = 0; i < 16; ++i) {
+ output[i] = input[16 + i] * 4;
+ }
+ aom_idct16_c(inputhalf, output + 16);
+ // Note overall scaling factor is 4 times orthogonal
+}
+
+#if CONFIG_TX64X64
+static void idct64_col_c(const tran_low_t *input, tran_low_t *output) {
+ int32_t in[64], out[64];
+ int i;
+ for (i = 0; i < 64; ++i) in[i] = (int32_t)input[i];
+ av1_idct64_new(in, out, inv_cos_bit_col_dct_dct_64,
+ inv_stage_range_col_dct_dct_64);
+ for (i = 0; i < 64; ++i) output[i] = (tran_low_t)out[i];
+}
+
+static void idct64_row_c(const tran_low_t *input, tran_low_t *output) {
+ int32_t in[64], out[64];
+ int i;
+ for (i = 0; i < 64; ++i) in[i] = (int32_t)input[i];
+ av1_idct64_new(in, out, inv_cos_bit_row_dct_dct_64,
+ inv_stage_range_row_dct_dct_64);
+ for (i = 0; i < 64; ++i) output[i] = (tran_low_t)out[i];
+}
+
+// For use in lieu of ADST
+static void ihalfright64_c(const tran_low_t *input, tran_low_t *output) {
+ int i;
+ tran_low_t inputhalf[32];
+ // Multiply input by sqrt(2)
+ for (i = 0; i < 32; ++i) {
+ inputhalf[i] = (tran_low_t)dct_const_round_shift(input[i] * Sqrt2);
+ }
+ for (i = 0; i < 32; ++i) {
+ output[i] = (tran_low_t)dct_const_round_shift(input[32 + i] * 4 * Sqrt2);
+ }
+ aom_idct32_c(inputhalf, output + 32);
+ // Note overall scaling factor is 4 * sqrt(2) times orthogonal
+}
+#endif // CONFIG_TX64X64
+
+#if CONFIG_HIGHBITDEPTH
+static void highbd_idct4(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_idct4_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_idct8(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_idct8_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_idct16(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_idct16_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_idct32(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_idct32_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_iadst4(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_iadst4_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_iadst8(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_iadst8_new(input, output, cos_bit, stage_range);
+}
+
+static void highbd_iadst16(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)bd;
+ av1_iadst16_new(input, output, cos_bit, stage_range);
+}
+
+#if CONFIG_EXT_TX
+static void highbd_iidtx4_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ int i;
+ (void)cos_bit;
+ (void)stage_range;
+ for (i = 0; i < 4; ++i)
+ output[i] = HIGHBD_WRAPLOW(dct_const_round_shift(input[i] * Sqrt2), bd);
+}
+
+static void highbd_iidtx8_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ int i;
+ (void)bd;
+ (void)cos_bit;
+ (void)stage_range;
+ for (i = 0; i < 8; ++i) output[i] = input[i] * 2;
+}
+
+static void highbd_iidtx16_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ int i;
+ (void)cos_bit;
+ (void)stage_range;
+ for (i = 0; i < 16; ++i)
+ output[i] = HIGHBD_WRAPLOW(dct_const_round_shift(input[i] * 2 * Sqrt2), bd);
+}
+
+static void highbd_iidtx32_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ int i;
+ (void)bd;
+ (void)cos_bit;
+ (void)stage_range;
+ for (i = 0; i < 32; ++i) output[i] = input[i] * 4;
+}
+#endif // CONFIG_EXT_TX
+
+static void highbd_ihalfright32_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit,
+ const int8_t *stage_range, int bd) {
+ int i;
+ tran_low_t inputhalf[16];
+ // Multiply input by sqrt(2)
+ for (i = 0; i < 16; ++i) {
+ inputhalf[i] = HIGHBD_WRAPLOW(dct_const_round_shift(input[i] * Sqrt2), bd);
+ }
+ for (i = 0; i < 16; ++i) {
+ output[i] = input[16 + i] * 4;
+ }
+ highbd_idct16(inputhalf, output + 16, cos_bit, stage_range, bd);
+ // Note overall scaling factor is 4 times orthogonal
+}
+
+#if CONFIG_EXT_TX
+#if CONFIG_TX64X64
+static void highbd_iidtx64_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit, const int8_t *stage_range,
+ int bd) {
+ (void)cos_bit;
+ (void)stage_range;
+ int i;
+ for (i = 0; i < 64; ++i)
+ output[i] = HIGHBD_WRAPLOW(dct_const_round_shift(input[i] * 4 * Sqrt2), bd);
+}
+#endif // CONFIG_TX64X64
+#endif // CONFIG_EXT_TX
+
+#if CONFIG_TX64X64
+// For use in lieu of ADST
+static void highbd_ihalfright64_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit,
+ const int8_t *stage_range, int bd) {
+ int i;
+ tran_low_t inputhalf[32];
+ // Multiply input by sqrt(2)
+ for (i = 0; i < 32; ++i) {
+ inputhalf[i] = HIGHBD_WRAPLOW(dct_const_round_shift(input[i] * Sqrt2), bd);
+ }
+ for (i = 0; i < 32; ++i) {
+ output[i] =
+ HIGHBD_WRAPLOW(dct_const_round_shift(input[32 + i] * 4 * Sqrt2), bd);
+ }
+ highbd_idct32(inputhalf, output + 32, cos_bit, stage_range, bd);
+ // Note overall scaling factor is 4 * sqrt(2) times orthogonal
+}
+
+static void highbd_idct64_col_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit,
+ const int8_t *stage_range, int bd) {
+ int32_t in[64], out[64];
+ int i;
+ (void)cos_bit;
+ (void)stage_range;
+ (void)bd;
+ for (i = 0; i < 64; ++i) in[i] = (int32_t)input[i];
+ av1_idct64_new(in, out, inv_cos_bit_col_dct_dct_64,
+ inv_stage_range_col_dct_dct_64);
+ for (i = 0; i < 64; ++i) output[i] = (tran_low_t)out[i];
+}
+
+static void highbd_idct64_row_c(const tran_low_t *input, tran_low_t *output,
+ const int8_t *cos_bit,
+ const int8_t *stage_range, int bd) {
+ int32_t in[64], out[64];
+ int i;
+ (void)cos_bit;
+ (void)stage_range;
+ (void)bd;
+ for (i = 0; i < 64; ++i) in[i] = (int32_t)input[i];
+ av1_idct64_new(in, out, inv_cos_bit_row_dct_dct_64,
+ inv_stage_range_row_dct_dct_64);
+ for (i = 0; i < 64; ++i) output[i] = (tran_low_t)out[i];
+}
+#endif // CONFIG_TX64X64
+#endif // CONFIG_HIGHBITDEPTH
+
+// Inverse identity transform and add.
+#if CONFIG_EXT_TX
+static void inv_idtx_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int bs, int tx_type) {
+ int r, c;
+ const int shift = bs < 32 ? 3 : (bs < 64 ? 2 : 1);
+ if (tx_type == IDTX) {
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c)
+ dest[c] = clip_pixel_add(dest[c], input[c] >> shift);
+ dest += stride;
+ input += bs;
+ }
+ }
+}
+#endif // CONFIG_EXT_TX
+
+#define FLIPUD_PTR(dest, stride, size) \
+ do { \
+ (dest) = (dest) + ((size)-1) * (stride); \
+ (stride) = -(stride); \
+ } while (0)
+
+#if CONFIG_EXT_TX
+static void maybe_flip_strides(uint8_t **dst, int *dstride, tran_low_t **src,
+ int *sstride, int tx_type, int sizey,
+ int sizex) {
+ // Note that the transpose of src will be added to dst. In order to LR
+ // flip the addends (in dst coordinates), we UD flip the src. To UD flip
+ // the addends, we UD flip the dst.
+ switch (tx_type) {
+ case DCT_DCT:
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case IDTX:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST: break;
+ case FLIPADST_DCT:
+ case FLIPADST_ADST:
+ case V_FLIPADST:
+ // flip UD
+ FLIPUD_PTR(*dst, *dstride, sizey);
+ break;
+ case DCT_FLIPADST:
+ case ADST_FLIPADST:
+ case H_FLIPADST:
+ // flip LR
+ FLIPUD_PTR(*src, *sstride, sizex);
+ break;
+ case FLIPADST_FLIPADST:
+ // flip UD
+ FLIPUD_PTR(*dst, *dstride, sizey);
+ // flip LR
+ FLIPUD_PTR(*src, *sstride, sizex);
+ break;
+ default: assert(0); break;
+ }
+}
+#endif // CONFIG_EXT_TX
+
+#if CONFIG_HIGHBITDEPTH
+#if CONFIG_EXT_TX
+static void highbd_inv_idtx_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int bs, int tx_type, int bd) {
+ int r, c;
+ const int shift = bs < 32 ? 3 : 2;
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ if (tx_type == IDTX) {
+ for (r = 0; r < bs; ++r) {
+ for (c = 0; c < bs; ++c)
+ dest[c] = highbd_clip_pixel_add(dest[c], input[c] >> shift, bd);
+ dest += stride;
+ input += bs;
+ }
+ }
+}
+
+static void maybe_flip_strides16(uint16_t **dst, int *dstride, tran_low_t **src,
+ int *sstride, int tx_type, int sizey,
+ int sizex) {
+ // Note that the transpose of src will be added to dst. In order to LR
+ // flip the addends (in dst coordinates), we UD flip the src. To UD flip
+ // the addends, we UD flip the dst.
+ switch (tx_type) {
+ case DCT_DCT:
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case IDTX:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST: break;
+ case FLIPADST_DCT:
+ case FLIPADST_ADST:
+ case V_FLIPADST:
+ // flip UD
+ FLIPUD_PTR(*dst, *dstride, sizey);
+ break;
+ case DCT_FLIPADST:
+ case ADST_FLIPADST:
+ case H_FLIPADST:
+ // flip LR
+ FLIPUD_PTR(*src, *sstride, sizex);
+ break;
+ case FLIPADST_FLIPADST:
+ // flip UD
+ FLIPUD_PTR(*dst, *dstride, sizey);
+ // flip LR
+ FLIPUD_PTR(*src, *sstride, sizex);
+ break;
+ default: assert(0); break;
+ }
+}
+#endif // CONFIG_EXT_TX
+#endif // CONFIG_HIGHBITDEPTH
+
+void av1_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_4[] = {
+ { aom_idct4_c, aom_idct4_c }, // DCT_DCT = 0
+ { aom_iadst4_c, aom_idct4_c }, // ADST_DCT = 1
+ { aom_idct4_c, aom_iadst4_c }, // DCT_ADST = 2
+ { aom_iadst4_c, aom_iadst4_c }, // ADST_ADST = 3
+#if CONFIG_EXT_TX
+ { aom_iadst4_c, aom_idct4_c }, // FLIPADST_DCT
+ { aom_idct4_c, aom_iadst4_c }, // DCT_FLIPADST
+ { aom_iadst4_c, aom_iadst4_c }, // FLIPADST_FLIPADST
+ { aom_iadst4_c, aom_iadst4_c }, // ADST_FLIPADST
+ { aom_iadst4_c, aom_iadst4_c }, // FLIPADST_ADST
+ { iidtx4_c, iidtx4_c }, // IDTX
+ { aom_idct4_c, iidtx4_c }, // V_DCT
+ { iidtx4_c, aom_idct4_c }, // H_DCT
+ { aom_iadst4_c, iidtx4_c }, // V_ADST
+ { iidtx4_c, aom_iadst4_c }, // H_ADST
+ { aom_iadst4_c, iidtx4_c }, // V_FLIPADST
+ { iidtx4_c, aom_iadst4_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[4][4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 4;
+
+ // inverse transform row vectors
+ for (i = 0; i < 4; ++i) {
+ IHT_4[tx_type].rows(input, out[i]);
+ input += 4;
+ }
+
+ // transpose
+ for (i = 1; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 4; ++i) {
+ IHT_4[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, 4, 4);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 4));
+ }
+ }
+}
+
+void av1_iht4x8_32_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_4x8[] = {
+ { aom_idct8_c, aom_idct4_c }, // DCT_DCT
+ { aom_iadst8_c, aom_idct4_c }, // ADST_DCT
+ { aom_idct8_c, aom_iadst4_c }, // DCT_ADST
+ { aom_iadst8_c, aom_iadst4_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst8_c, aom_idct4_c }, // FLIPADST_DCT
+ { aom_idct8_c, aom_iadst4_c }, // DCT_FLIPADST
+ { aom_iadst8_c, aom_iadst4_c }, // FLIPADST_FLIPADST
+ { aom_iadst8_c, aom_iadst4_c }, // ADST_FLIPADST
+ { aom_iadst8_c, aom_iadst4_c }, // FLIPADST_ADST
+ { iidtx8_c, iidtx4_c }, // IDTX
+ { aom_idct8_c, iidtx4_c }, // V_DCT
+ { iidtx8_c, aom_idct4_c }, // H_DCT
+ { aom_iadst8_c, iidtx4_c }, // V_ADST
+ { iidtx8_c, aom_iadst4_c }, // H_ADST
+ { aom_iadst8_c, iidtx4_c }, // V_FLIPADST
+ { iidtx8_c, aom_iadst4_c }, // H_FLIPADST
+#endif
+ };
+
+ const int n = 4;
+ const int n2 = 8;
+ int i, j;
+ tran_low_t out[4][8], outtmp[4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n2; ++i) {
+ IHT_4x8[tx_type].rows(input, outtmp);
+ for (j = 0; j < n; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ IHT_4x8[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+
+void av1_iht8x4_32_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_8x4[] = {
+ { aom_idct4_c, aom_idct8_c }, // DCT_DCT
+ { aom_iadst4_c, aom_idct8_c }, // ADST_DCT
+ { aom_idct4_c, aom_iadst8_c }, // DCT_ADST
+ { aom_iadst4_c, aom_iadst8_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst4_c, aom_idct8_c }, // FLIPADST_DCT
+ { aom_idct4_c, aom_iadst8_c }, // DCT_FLIPADST
+ { aom_iadst4_c, aom_iadst8_c }, // FLIPADST_FLIPADST
+ { aom_iadst4_c, aom_iadst8_c }, // ADST_FLIPADST
+ { aom_iadst4_c, aom_iadst8_c }, // FLIPADST_ADST
+ { iidtx4_c, iidtx8_c }, // IDTX
+ { aom_idct4_c, iidtx8_c }, // V_DCT
+ { iidtx4_c, aom_idct8_c }, // H_DCT
+ { aom_iadst4_c, iidtx8_c }, // V_ADST
+ { iidtx4_c, aom_iadst8_c }, // H_ADST
+ { aom_iadst4_c, iidtx8_c }, // V_FLIPADST
+ { iidtx4_c, aom_iadst8_c }, // H_FLIPADST
+#endif
+ };
+ const int n = 4;
+ const int n2 = 8;
+
+ int i, j;
+ tran_low_t out[8][4], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n; ++i) {
+ IHT_8x4[tx_type].rows(input, outtmp);
+ for (j = 0; j < n2; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ IHT_8x4[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+
+void av1_iht4x16_64_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_4x16[] = {
+ { aom_idct16_c, aom_idct4_c }, // DCT_DCT
+ { aom_iadst16_c, aom_idct4_c }, // ADST_DCT
+ { aom_idct16_c, aom_iadst4_c }, // DCT_ADST
+ { aom_iadst16_c, aom_iadst4_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst16_c, aom_idct4_c }, // FLIPADST_DCT
+ { aom_idct16_c, aom_iadst4_c }, // DCT_FLIPADST
+ { aom_iadst16_c, aom_iadst4_c }, // FLIPADST_FLIPADST
+ { aom_iadst16_c, aom_iadst4_c }, // ADST_FLIPADST
+ { aom_iadst16_c, aom_iadst4_c }, // FLIPADST_ADST
+ { iidtx16_c, iidtx4_c }, // IDTX
+ { aom_idct16_c, iidtx4_c }, // V_DCT
+ { iidtx16_c, aom_idct4_c }, // H_DCT
+ { aom_iadst16_c, iidtx4_c }, // V_ADST
+ { iidtx16_c, aom_iadst4_c }, // H_ADST
+ { aom_iadst16_c, iidtx4_c }, // V_FLIPADST
+ { iidtx16_c, aom_iadst4_c }, // H_FLIPADST
+#endif
+ };
+
+ const int n = 4;
+ const int n4 = 16;
+ int i, j;
+ tran_low_t out[4][16], outtmp[4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n4;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n4; ++i) {
+ IHT_4x16[tx_type].rows(input, outtmp);
+ for (j = 0; j < n; ++j) out[j][i] = outtmp[j];
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) IHT_4x16[tx_type].cols(out[i], out[i]);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n4, n);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n4; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+
+void av1_iht16x4_64_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_16x4[] = {
+ { aom_idct4_c, aom_idct16_c }, // DCT_DCT
+ { aom_iadst4_c, aom_idct16_c }, // ADST_DCT
+ { aom_idct4_c, aom_iadst16_c }, // DCT_ADST
+ { aom_iadst4_c, aom_iadst16_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst4_c, aom_idct16_c }, // FLIPADST_DCT
+ { aom_idct4_c, aom_iadst16_c }, // DCT_FLIPADST
+ { aom_iadst4_c, aom_iadst16_c }, // FLIPADST_FLIPADST
+ { aom_iadst4_c, aom_iadst16_c }, // ADST_FLIPADST
+ { aom_iadst4_c, aom_iadst16_c }, // FLIPADST_ADST
+ { iidtx4_c, iidtx16_c }, // IDTX
+ { aom_idct4_c, iidtx16_c }, // V_DCT
+ { iidtx4_c, aom_idct16_c }, // H_DCT
+ { aom_iadst4_c, iidtx16_c }, // V_ADST
+ { iidtx4_c, aom_iadst16_c }, // H_ADST
+ { aom_iadst4_c, iidtx16_c }, // V_FLIPADST
+ { iidtx4_c, aom_iadst16_c }, // H_FLIPADST
+#endif
+ };
+ const int n = 4;
+ const int n4 = 16;
+
+ int i, j;
+ tran_low_t out[16][4], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n; ++i) {
+ IHT_16x4[tx_type].rows(input, outtmp);
+ for (j = 0; j < n4; ++j) out[j][i] = outtmp[j];
+ input += n4;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n4; ++i) IHT_16x4[tx_type].cols(out[i], out[i]);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n, n4);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+
+void av1_iht8x16_128_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_8x16[] = {
+ { aom_idct16_c, aom_idct8_c }, // DCT_DCT
+ { aom_iadst16_c, aom_idct8_c }, // ADST_DCT
+ { aom_idct16_c, aom_iadst8_c }, // DCT_ADST
+ { aom_iadst16_c, aom_iadst8_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst16_c, aom_idct8_c }, // FLIPADST_DCT
+ { aom_idct16_c, aom_iadst8_c }, // DCT_FLIPADST
+ { aom_iadst16_c, aom_iadst8_c }, // FLIPADST_FLIPADST
+ { aom_iadst16_c, aom_iadst8_c }, // ADST_FLIPADST
+ { aom_iadst16_c, aom_iadst8_c }, // FLIPADST_ADST
+ { iidtx16_c, iidtx8_c }, // IDTX
+ { aom_idct16_c, iidtx8_c }, // V_DCT
+ { iidtx16_c, aom_idct8_c }, // H_DCT
+ { aom_iadst16_c, iidtx8_c }, // V_ADST
+ { iidtx16_c, aom_iadst8_c }, // H_ADST
+ { aom_iadst16_c, iidtx8_c }, // V_FLIPADST
+ { iidtx16_c, aom_iadst8_c }, // H_FLIPADST
+#endif
+ };
+
+ const int n = 8;
+ const int n2 = 16;
+ int i, j;
+ tran_low_t out[8][16], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n2; ++i) {
+ IHT_8x16[tx_type].rows(input, outtmp);
+ for (j = 0; j < n; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ IHT_8x16[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht16x8_128_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_16x8[] = {
+ { aom_idct8_c, aom_idct16_c }, // DCT_DCT
+ { aom_iadst8_c, aom_idct16_c }, // ADST_DCT
+ { aom_idct8_c, aom_iadst16_c }, // DCT_ADST
+ { aom_iadst8_c, aom_iadst16_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst8_c, aom_idct16_c }, // FLIPADST_DCT
+ { aom_idct8_c, aom_iadst16_c }, // DCT_FLIPADST
+ { aom_iadst8_c, aom_iadst16_c }, // FLIPADST_FLIPADST
+ { aom_iadst8_c, aom_iadst16_c }, // ADST_FLIPADST
+ { aom_iadst8_c, aom_iadst16_c }, // FLIPADST_ADST
+ { iidtx8_c, iidtx16_c }, // IDTX
+ { aom_idct8_c, iidtx16_c }, // V_DCT
+ { iidtx8_c, aom_idct16_c }, // H_DCT
+ { aom_iadst8_c, iidtx16_c }, // V_ADST
+ { iidtx8_c, aom_iadst16_c }, // H_ADST
+ { aom_iadst8_c, iidtx16_c }, // V_FLIPADST
+ { iidtx8_c, aom_iadst16_c }, // H_FLIPADST
+#endif
+ };
+ const int n = 8;
+ const int n2 = 16;
+
+ int i, j;
+ tran_low_t out[16][8], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n; ++i) {
+ IHT_16x8[tx_type].rows(input, outtmp);
+ for (j = 0; j < n2; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ IHT_16x8[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht8x32_256_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_8x32[] = {
+ { aom_idct32_c, aom_idct8_c }, // DCT_DCT
+ { ihalfright32_c, aom_idct8_c }, // ADST_DCT
+ { aom_idct32_c, aom_iadst8_c }, // DCT_ADST
+ { ihalfright32_c, aom_iadst8_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { ihalfright32_c, aom_idct8_c }, // FLIPADST_DCT
+ { aom_idct32_c, aom_iadst8_c }, // DCT_FLIPADST
+ { ihalfright32_c, aom_iadst8_c }, // FLIPADST_FLIPADST
+ { ihalfright32_c, aom_iadst8_c }, // ADST_FLIPADST
+ { ihalfright32_c, aom_iadst8_c }, // FLIPADST_ADST
+ { iidtx32_c, iidtx8_c }, // IDTX
+ { aom_idct32_c, iidtx8_c }, // V_DCT
+ { iidtx32_c, aom_idct8_c }, // H_DCT
+ { ihalfright32_c, iidtx8_c }, // V_ADST
+ { iidtx32_c, aom_iadst8_c }, // H_ADST
+ { ihalfright32_c, iidtx8_c }, // V_FLIPADST
+ { iidtx32_c, aom_iadst8_c }, // H_FLIPADST
+#endif
+ };
+
+ const int n = 8;
+ const int n4 = 32;
+ int i, j;
+ tran_low_t out[8][32], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n4;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n4; ++i) {
+ IHT_8x32[tx_type].rows(input, outtmp);
+ for (j = 0; j < n; ++j) out[j][i] = outtmp[j];
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) IHT_8x32[tx_type].cols(out[i], out[i]);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n4, n);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n4; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht32x8_256_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_32x8[] = {
+ { aom_idct8_c, aom_idct32_c }, // DCT_DCT
+ { aom_iadst8_c, aom_idct32_c }, // ADST_DCT
+ { aom_idct8_c, ihalfright32_c }, // DCT_ADST
+ { aom_iadst8_c, ihalfright32_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst8_c, aom_idct32_c }, // FLIPADST_DCT
+ { aom_idct8_c, ihalfright32_c }, // DCT_FLIPADST
+ { aom_iadst8_c, ihalfright32_c }, // FLIPADST_FLIPADST
+ { aom_iadst8_c, ihalfright32_c }, // ADST_FLIPADST
+ { aom_iadst8_c, ihalfright32_c }, // FLIPADST_ADST
+ { iidtx8_c, iidtx32_c }, // IDTX
+ { aom_idct8_c, iidtx32_c }, // V_DCT
+ { iidtx8_c, aom_idct32_c }, // H_DCT
+ { aom_iadst8_c, iidtx32_c }, // V_ADST
+ { iidtx8_c, ihalfright32_c }, // H_ADST
+ { aom_iadst8_c, iidtx32_c }, // V_FLIPADST
+ { iidtx8_c, ihalfright32_c }, // H_FLIPADST
+#endif
+ };
+ const int n = 8;
+ const int n4 = 32;
+
+ int i, j;
+ tran_low_t out[32][8], outtmp[32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n; ++i) {
+ IHT_32x8[tx_type].rows(input, outtmp);
+ for (j = 0; j < n4; ++j) out[j][i] = outtmp[j];
+ input += n4;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n4; ++i) IHT_32x8[tx_type].cols(out[i], out[i]);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n, n4);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht16x32_512_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_16x32[] = {
+ { aom_idct32_c, aom_idct16_c }, // DCT_DCT
+ { ihalfright32_c, aom_idct16_c }, // ADST_DCT
+ { aom_idct32_c, aom_iadst16_c }, // DCT_ADST
+ { ihalfright32_c, aom_iadst16_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { ihalfright32_c, aom_idct16_c }, // FLIPADST_DCT
+ { aom_idct32_c, aom_iadst16_c }, // DCT_FLIPADST
+ { ihalfright32_c, aom_iadst16_c }, // FLIPADST_FLIPADST
+ { ihalfright32_c, aom_iadst16_c }, // ADST_FLIPADST
+ { ihalfright32_c, aom_iadst16_c }, // FLIPADST_ADST
+ { iidtx32_c, iidtx16_c }, // IDTX
+ { aom_idct32_c, iidtx16_c }, // V_DCT
+ { iidtx32_c, aom_idct16_c }, // H_DCT
+ { ihalfright32_c, iidtx16_c }, // V_ADST
+ { iidtx32_c, aom_iadst16_c }, // H_ADST
+ { ihalfright32_c, iidtx16_c }, // V_FLIPADST
+ { iidtx32_c, aom_iadst16_c }, // H_FLIPADST
+#endif
+ };
+
+ const int n = 16;
+ const int n2 = 32;
+ int i, j;
+ tran_low_t out[16][32], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n2; ++i) {
+ IHT_16x32[tx_type].rows(input, outtmp);
+ for (j = 0; j < n; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ IHT_16x32[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht32x16_512_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_32x16[] = {
+ { aom_idct16_c, aom_idct32_c }, // DCT_DCT
+ { aom_iadst16_c, aom_idct32_c }, // ADST_DCT
+ { aom_idct16_c, ihalfright32_c }, // DCT_ADST
+ { aom_iadst16_c, ihalfright32_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { aom_iadst16_c, aom_idct32_c }, // FLIPADST_DCT
+ { aom_idct16_c, ihalfright32_c }, // DCT_FLIPADST
+ { aom_iadst16_c, ihalfright32_c }, // FLIPADST_FLIPADST
+ { aom_iadst16_c, ihalfright32_c }, // ADST_FLIPADST
+ { aom_iadst16_c, ihalfright32_c }, // FLIPADST_ADST
+ { iidtx16_c, iidtx32_c }, // IDTX
+ { aom_idct16_c, iidtx32_c }, // V_DCT
+ { iidtx16_c, aom_idct32_c }, // H_DCT
+ { aom_iadst16_c, iidtx32_c }, // V_ADST
+ { iidtx16_c, ihalfright32_c }, // H_ADST
+ { aom_iadst16_c, iidtx32_c }, // V_FLIPADST
+ { iidtx16_c, ihalfright32_c }, // H_FLIPADST
+#endif
+ };
+ const int n = 16;
+ const int n2 = 32;
+
+ int i, j;
+ tran_low_t out[32][16], outtmp[32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ // inverse transform row vectors and transpose
+ for (i = 0; i < n; ++i) {
+ IHT_32x16[tx_type].rows(input, outtmp);
+ for (j = 0; j < n2; ++j)
+ out[j][i] = (tran_low_t)dct_const_round_shift(outtmp[j] * Sqrt2);
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ IHT_32x16[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+void av1_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_8[] = {
+ { aom_idct8_c, aom_idct8_c }, // DCT_DCT = 0
+ { aom_iadst8_c, aom_idct8_c }, // ADST_DCT = 1
+ { aom_idct8_c, aom_iadst8_c }, // DCT_ADST = 2
+ { aom_iadst8_c, aom_iadst8_c }, // ADST_ADST = 3
+#if CONFIG_EXT_TX
+ { aom_iadst8_c, aom_idct8_c }, // FLIPADST_DCT
+ { aom_idct8_c, aom_iadst8_c }, // DCT_FLIPADST
+ { aom_iadst8_c, aom_iadst8_c }, // FLIPADST_FLIPADST
+ { aom_iadst8_c, aom_iadst8_c }, // ADST_FLIPADST
+ { aom_iadst8_c, aom_iadst8_c }, // FLIPADST_ADST
+ { iidtx8_c, iidtx8_c }, // IDTX
+ { aom_idct8_c, iidtx8_c }, // V_DCT
+ { iidtx8_c, aom_idct8_c }, // H_DCT
+ { aom_iadst8_c, iidtx8_c }, // V_ADST
+ { iidtx8_c, aom_iadst8_c }, // H_ADST
+ { aom_iadst8_c, iidtx8_c }, // V_FLIPADST
+ { iidtx8_c, aom_iadst8_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[8][8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 8;
+
+ // inverse transform row vectors
+ for (i = 0; i < 8; ++i) {
+ IHT_8[tx_type].rows(input, out[i]);
+ input += 8;
+ }
+
+ // transpose
+ for (i = 1; i < 8; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 8; ++i) {
+ IHT_8[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, 8, 8);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+
+void av1_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_16[] = {
+ { aom_idct16_c, aom_idct16_c }, // DCT_DCT = 0
+ { aom_iadst16_c, aom_idct16_c }, // ADST_DCT = 1
+ { aom_idct16_c, aom_iadst16_c }, // DCT_ADST = 2
+ { aom_iadst16_c, aom_iadst16_c }, // ADST_ADST = 3
+#if CONFIG_EXT_TX
+ { aom_iadst16_c, aom_idct16_c }, // FLIPADST_DCT
+ { aom_idct16_c, aom_iadst16_c }, // DCT_FLIPADST
+ { aom_iadst16_c, aom_iadst16_c }, // FLIPADST_FLIPADST
+ { aom_iadst16_c, aom_iadst16_c }, // ADST_FLIPADST
+ { aom_iadst16_c, aom_iadst16_c }, // FLIPADST_ADST
+ { iidtx16_c, iidtx16_c }, // IDTX
+ { aom_idct16_c, iidtx16_c }, // V_DCT
+ { iidtx16_c, aom_idct16_c }, // H_DCT
+ { aom_iadst16_c, iidtx16_c }, // V_ADST
+ { iidtx16_c, aom_iadst16_c }, // H_ADST
+ { aom_iadst16_c, iidtx16_c }, // V_FLIPADST
+ { iidtx16_c, aom_iadst16_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[16][16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 16;
+
+ // inverse transform row vectors
+ for (i = 0; i < 16; ++i) {
+ IHT_16[tx_type].rows(input, out[i]);
+ input += 16;
+ }
+
+ // transpose
+ for (i = 1; i < 16; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 16; ++i) {
+ IHT_16[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, 16, 16);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+
+#if CONFIG_EXT_TX
+void av1_iht32x32_1024_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_32[] = {
+ { aom_idct32_c, aom_idct32_c }, // DCT_DCT
+ { ihalfright32_c, aom_idct32_c }, // ADST_DCT
+ { aom_idct32_c, ihalfright32_c }, // DCT_ADST
+ { ihalfright32_c, ihalfright32_c }, // ADST_ADST
+ { ihalfright32_c, aom_idct32_c }, // FLIPADST_DCT
+ { aom_idct32_c, ihalfright32_c }, // DCT_FLIPADST
+ { ihalfright32_c, ihalfright32_c }, // FLIPADST_FLIPADST
+ { ihalfright32_c, ihalfright32_c }, // ADST_FLIPADST
+ { ihalfright32_c, ihalfright32_c }, // FLIPADST_ADST
+ { iidtx32_c, iidtx32_c }, // IDTX
+ { aom_idct32_c, iidtx32_c }, // V_DCT
+ { iidtx32_c, aom_idct32_c }, // H_DCT
+ { ihalfright32_c, iidtx32_c }, // V_ADST
+ { iidtx32_c, ihalfright32_c }, // H_ADST
+ { ihalfright32_c, iidtx32_c }, // V_FLIPADST
+ { iidtx32_c, ihalfright32_c }, // H_FLIPADST
+ };
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[32][32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 32;
+
+ // inverse transform row vectors
+ for (i = 0; i < 32; ++i) {
+ IHT_32[tx_type].rows(input, out[i]);
+ input += 32;
+ }
+
+ // transpose
+ for (i = 1; i < 32; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 32; ++i) {
+ IHT_32[tx_type].cols(out[i], out[i]);
+ }
+
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, 32, 32);
+
+ // Sum with the destination
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6));
+ }
+ }
+}
+#endif // CONFIG_EXT_TX
+
+#if CONFIG_TX64X64
+void av1_iht64x64_4096_add_c(const tran_low_t *input, uint8_t *dest, int stride,
+ int tx_type) {
+ static const transform_2d IHT_64[] = {
+ { idct64_col_c, idct64_row_c }, // DCT_DCT
+ { ihalfright64_c, idct64_row_c }, // ADST_DCT
+ { idct64_col_c, ihalfright64_c }, // DCT_ADST
+ { ihalfright64_c, ihalfright64_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { ihalfright64_c, idct64_row_c }, // FLIPADST_DCT
+ { idct64_col_c, ihalfright64_c }, // DCT_FLIPADST
+ { ihalfright64_c, ihalfright64_c }, // FLIPADST_FLIPADST
+ { ihalfright64_c, ihalfright64_c }, // ADST_FLIPADST
+ { ihalfright64_c, ihalfright64_c }, // FLIPADST_ADST
+ { iidtx64_c, iidtx64_c }, // IDTX
+ { idct64_col_c, iidtx64_c }, // V_DCT
+ { iidtx64_c, idct64_row_c }, // H_DCT
+ { ihalfright64_c, iidtx64_c }, // V_ADST
+ { iidtx64_c, ihalfright64_c }, // H_ADST
+ { ihalfright64_c, iidtx64_c }, // V_FLIPADST
+ { iidtx64_c, ihalfright64_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[64][64];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 64;
+
+ // inverse transform row vectors
+ for (i = 0; i < 64; ++i) {
+ IHT_64[tx_type].rows(input, out[i]);
+ for (j = 0; j < 64; ++j) out[i][j] = ROUND_POWER_OF_TWO(out[i][j], 1);
+ input += 64;
+ }
+
+ // transpose
+ for (i = 1; i < 64; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 64; ++i) {
+ IHT_64[tx_type].cols(out[i], out[i]);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides(&dest, &stride, &outp, &outstride, tx_type, 64, 64);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < 64; ++i) {
+ for (j = 0; j < 64; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] = clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5));
+ }
+ }
+}
+#endif // CONFIG_TX64X64
+
+// idct
+void av1_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ if (eob > 1)
+ aom_idct4x4_16_add(input, dest, stride);
+ else
+ aom_idct4x4_1_add(input, dest, stride);
+}
+
+void av1_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ if (eob > 1)
+ aom_iwht4x4_16_add(input, dest, stride);
+ else
+ aom_iwht4x4_1_add(input, dest, stride);
+}
+
+static void idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ // If dc is 1, then input[0] is the reconstructed value, do not need
+ // dequantization. Also, when dc is 1, dc is counted in eobs, namely eobs >=1.
+
+ // The calculation can be simplified if there are not many non-zero dct
+ // coefficients. Use eobs to decide what to do.
+ // TODO(yunqingwang): "eobs = 1" case is also handled in av1_short_idct8x8_c.
+ // Combine that with code here.
+ if (eob == 1)
+ // DC only DCT coefficient
+ aom_idct8x8_1_add(input, dest, stride);
+#if !CONFIG_ADAPT_SCAN
+ else if (eob <= 12)
+ aom_idct8x8_12_add(input, dest, stride);
+#endif
+ else
+ aom_idct8x8_64_add(input, dest, stride);
+}
+
+static void idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ /* The calculation can be simplified if there are not many non-zero dct
+ * coefficients. Use eobs to separate different cases. */
+ if (eob == 1) /* DC only DCT coefficient. */
+ aom_idct16x16_1_add(input, dest, stride);
+#if !CONFIG_ADAPT_SCAN
+ else if (eob <= 10)
+ aom_idct16x16_10_add(input, dest, stride);
+#endif
+ else
+ aom_idct16x16_256_add(input, dest, stride);
+}
+
+static void idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ if (eob == 1) aom_idct32x32_1_add(input, dest, stride);
+#if !CONFIG_ADAPT_SCAN
+ else if (eob <= 34)
+ // non-zero coeff only in upper-left 8x8
+ aom_idct32x32_34_add(input, dest, stride);
+#endif
+ else
+ aom_idct32x32_1024_add(input, dest, stride);
+}
+
+#if CONFIG_TX64X64
+static void idct64x64_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob) {
+ (void)eob;
+ av1_iht64x64_4096_add(input, dest, stride, DCT_DCT);
+}
+#endif // CONFIG_TX64X64
+
+#if CONFIG_CB4X4
+static void inv_txfm_add_2x2(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, TX_TYPE tx_type, int lossless) {
+ tran_high_t a1 = input[0] >> UNIT_QUANT_SHIFT;
+ tran_high_t b1 = input[1] >> UNIT_QUANT_SHIFT;
+ tran_high_t c1 = input[2] >> UNIT_QUANT_SHIFT;
+ tran_high_t d1 = input[3] >> UNIT_QUANT_SHIFT;
+
+ tran_high_t a2 = a1 + c1;
+ tran_high_t b2 = b1 + d1;
+ tran_high_t c2 = a1 - c1;
+ tran_high_t d2 = b1 - d1;
+
+ (void)tx_type;
+ (void)lossless;
+ (void)eob;
+
+ a1 = (a2 + b2) >> 2;
+ b1 = (a2 - b2) >> 2;
+ c1 = (c2 + d2) >> 2;
+ d1 = (c2 - d2) >> 2;
+
+ dest[0] = clip_pixel_add(dest[0], WRAPLOW(a1));
+ dest[1] = clip_pixel_add(dest[1], WRAPLOW(b1));
+ dest[stride] = clip_pixel_add(dest[stride], WRAPLOW(c1));
+ dest[stride + 1] = clip_pixel_add(dest[stride + 1], WRAPLOW(d1));
+}
+#endif
+
+void av1_inv_txfm_add_4x4(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, TX_TYPE tx_type, int lossless) {
+ if (lossless) {
+ assert(tx_type == DCT_DCT);
+ av1_iwht4x4_add(input, dest, stride, eob);
+ return;
+ }
+
+ switch (tx_type) {
+ case DCT_DCT: av1_idct4x4_add(input, dest, stride, eob); break;
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST: av1_iht4x4_16_add(input, dest, stride, tx_type); break;
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST: av1_iht4x4_16_add(input, dest, stride, tx_type); break;
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ // Use C version since DST only exists in C code
+ av1_iht4x4_16_add_c(input, dest, stride, tx_type);
+ break;
+ case IDTX: inv_idtx_add_c(input, dest, stride, 4, tx_type); break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+void av1_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht4x8_32_add(input, dest, stride, tx_type);
+}
+
+void av1_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht8x4_32_add(input, dest, stride, tx_type);
+}
+
+// These will be used by the masked-tx experiment in the future.
+#if CONFIG_MASKED_TX && 0
+static void inv_txfm_add_4x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht4x16_64_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_16x4(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht16x4_64_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_8x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht8x32_256_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_32x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht32x8_256_add(input, dest, stride, tx_type);
+}
+#endif // CONFIG_MASKED_TX
+
+static void inv_txfm_add_8x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht8x16_128_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_16x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht16x8_128_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_16x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht16x32_512_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_32x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ (void)eob;
+ av1_iht32x16_512_add(input, dest, stride, tx_type);
+}
+
+static void inv_txfm_add_8x8(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, TX_TYPE tx_type) {
+ switch (tx_type) {
+ case DCT_DCT: idct8x8_add(input, dest, stride, eob); break;
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST: av1_iht8x8_64_add(input, dest, stride, tx_type); break;
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST: av1_iht8x8_64_add(input, dest, stride, tx_type); break;
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ // Use C version since DST only exists in C code
+ av1_iht8x8_64_add_c(input, dest, stride, tx_type);
+ break;
+ case IDTX: inv_idtx_add_c(input, dest, stride, 8, tx_type); break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+static void inv_txfm_add_16x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ switch (tx_type) {
+ case DCT_DCT: idct16x16_add(input, dest, stride, eob); break;
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST: av1_iht16x16_256_add(input, dest, stride, tx_type); break;
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST: av1_iht16x16_256_add(input, dest, stride, tx_type); break;
+ case IDTX: inv_idtx_add_c(input, dest, stride, 16, tx_type); break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+static void inv_txfm_add_32x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ switch (tx_type) {
+ case DCT_DCT: idct32x32_add(input, dest, stride, eob); break;
+#if CONFIG_EXT_TX
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ av1_iht32x32_1024_add_c(input, dest, stride, tx_type);
+ break;
+ case IDTX: inv_idtx_add_c(input, dest, stride, 32, tx_type); break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+#if CONFIG_TX64X64
+static void inv_txfm_add_64x64(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, TX_TYPE tx_type) {
+ switch (tx_type) {
+ case DCT_DCT: idct64x64_add(input, dest, stride, eob); break;
+#if CONFIG_EXT_TX
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ av1_iht64x64_4096_add_c(input, dest, stride, tx_type);
+ break;
+ case IDTX: inv_idtx_add_c(input, dest, stride, 64, tx_type); break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+#endif // CONFIG_TX64X64
+
+#if CONFIG_HIGHBITDEPTH
+
+const TXFM_2D_CFG *inv_txfm_cfg_ls[TX_TYPES][TX_SIZES];
+
+typedef struct {
+ const int8_t *cos_bit;
+ const int8_t *stage_range;
+} tx_1d_cfg;
+
+typedef struct {
+ tx_1d_cfg row;
+ tx_1d_cfg col;
+} tx_2d_cfg;
+
+tx_2d_cfg inv_tx_cfg(int tx_type, int tx_size_row, int tx_size_col) {
+ const TXFM_2D_CFG *cfg_row = inv_txfm_cfg_ls[tx_type][tx_size_row];
+ const int8_t *stage_range_row = cfg_row->stage_range_row;
+ const int8_t *cos_bit_row = cfg_row->cos_bit_row;
+
+ const TXFM_2D_CFG *cfg_col = inv_txfm_cfg_ls[tx_type][tx_size_col];
+ const int8_t *stage_range_col = cfg_col->stage_range_col;
+ const int8_t *cos_bit_col = cfg_col->cos_bit_col;
+
+ tx_2d_cfg cfg = {
+ { cos_bit_row, stage_range_row }, { cos_bit_col, stage_range_col },
+ };
+ return cfg;
+}
+
+void av1_highbd_iht4x4_16_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_4[] = {
+ { highbd_idct4, highbd_idct4 }, // DCT_DCT
+ { highbd_iadst4, highbd_idct4 }, // ADST_DCT
+ { highbd_idct4, highbd_iadst4 }, // DCT_ADST
+ { highbd_iadst4, highbd_iadst4 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst4, highbd_idct4 }, // FLIPADST_DCT
+ { highbd_idct4, highbd_iadst4 }, // DCT_FLIPADST
+ { highbd_iadst4, highbd_iadst4 }, // FLIPADST_FLIPADST
+ { highbd_iadst4, highbd_iadst4 }, // ADST_FLIPADST
+ { highbd_iadst4, highbd_iadst4 }, // FLIPADST_ADST
+ { highbd_iidtx4_c, highbd_iidtx4_c }, // IDTX
+ { highbd_idct4, highbd_iidtx4_c }, // V_DCT
+ { highbd_iidtx4_c, highbd_idct4 }, // H_DCT
+ { highbd_iadst4, highbd_iidtx4_c }, // V_ADST
+ { highbd_iidtx4_c, highbd_iadst4 }, // H_ADST
+ { highbd_iadst4, highbd_iidtx4_c }, // V_FLIPADST
+ { highbd_iidtx4_c, highbd_iadst4 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[4][4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 4;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_4X4, TX_4X4);
+
+ // inverse transform row vectors
+ for (i = 0; i < 4; ++i) {
+ HIGH_IHT_4[tx_type].rows(input, out[i], cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ input += 4;
+ }
+
+ // transpose
+ for (i = 1; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 4; ++i) {
+ HIGH_IHT_4[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, 4, 4);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 4; ++i) {
+ for (j = 0; j < 4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 4), bd);
+ }
+ }
+}
+
+void av1_highbd_iht4x8_32_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_4x8[] = {
+ { highbd_idct8, highbd_idct4 }, // DCT_DCT
+ { highbd_iadst8, highbd_idct4 }, // ADST_DCT
+ { highbd_idct8, highbd_iadst4 }, // DCT_ADST
+ { highbd_iadst8, highbd_iadst4 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst8, highbd_idct4 }, // FLIPADST_DCT
+ { highbd_idct8, highbd_iadst4 }, // DCT_FLIPADST
+ { highbd_iadst8, highbd_iadst4 }, // FLIPADST_FLIPADST
+ { highbd_iadst8, highbd_iadst4 }, // ADST_FLIPADST
+ { highbd_iadst8, highbd_iadst4 }, // FLIPADST_ADST
+ { highbd_iidtx8_c, highbd_iidtx4_c }, // IDTX
+ { highbd_idct8, highbd_iidtx4_c }, // V_DCT
+ { highbd_iidtx8_c, highbd_idct4 }, // H_DCT
+ { highbd_iadst8, highbd_iidtx4_c }, // V_ADST
+ { highbd_iidtx8_c, highbd_iadst4 }, // H_ADST
+ { highbd_iadst8, highbd_iidtx4_c }, // V_FLIPADST
+ { highbd_iidtx8_c, highbd_iadst4 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 4;
+ const int n2 = 8;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[4][8], outtmp[4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_4X4, TX_8X8);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_4x8[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n; ++j) {
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ }
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_4x8[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+
+void av1_highbd_iht8x4_32_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_8x4[] = {
+ { highbd_idct4, highbd_idct8 }, // DCT_DCT
+ { highbd_iadst4, highbd_idct8 }, // ADST_DCT
+ { highbd_idct4, highbd_iadst8 }, // DCT_ADST
+ { highbd_iadst4, highbd_iadst8 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst4, highbd_idct8 }, // FLIPADST_DCT
+ { highbd_idct4, highbd_iadst8 }, // DCT_FLIPADST
+ { highbd_iadst4, highbd_iadst8 }, // FLIPADST_FLIPADST
+ { highbd_iadst4, highbd_iadst8 }, // ADST_FLIPADST
+ { highbd_iadst4, highbd_iadst8 }, // FLIPADST_ADST
+ { highbd_iidtx4_c, highbd_iidtx8_c }, // IDTX
+ { highbd_idct4, highbd_iidtx8_c }, // V_DCT
+ { highbd_iidtx4_c, highbd_idct8 }, // H_DCT
+ { highbd_iadst4, highbd_iidtx8_c }, // V_ADST
+ { highbd_iidtx4_c, highbd_iadst8 }, // H_ADST
+ { highbd_iadst4, highbd_iidtx8_c }, // V_FLIPADST
+ { highbd_iidtx4_c, highbd_iadst8 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 4;
+ const int n2 = 8;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[8][4], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_8X8, TX_4X4);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_8x4[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n2; ++j) {
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ }
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_8x4[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+
+void av1_highbd_iht4x16_64_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_4x16[] = {
+ { highbd_idct16, highbd_idct4 }, // DCT_DCT
+ { highbd_iadst16, highbd_idct4 }, // ADST_DCT
+ { highbd_idct16, highbd_iadst4 }, // DCT_ADST
+ { highbd_iadst16, highbd_iadst4 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst16, highbd_idct4 }, // FLIPADST_DCT
+ { highbd_idct16, highbd_iadst4 }, // DCT_FLIPADST
+ { highbd_iadst16, highbd_iadst4 }, // FLIPADST_FLIPADST
+ { highbd_iadst16, highbd_iadst4 }, // ADST_FLIPADST
+ { highbd_iadst16, highbd_iadst4 }, // FLIPADST_ADST
+ { highbd_iidtx16_c, highbd_iidtx4_c }, // IDTX
+ { highbd_idct16, highbd_iidtx4_c }, // V_DCT
+ { highbd_iidtx16_c, highbd_idct4 }, // H_DCT
+ { highbd_iadst16, highbd_iidtx4_c }, // V_ADST
+ { highbd_iidtx16_c, highbd_iadst4 }, // H_ADST
+ { highbd_iadst16, highbd_iidtx4_c }, // V_FLIPADST
+ { highbd_iidtx16_c, highbd_iadst4 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 4;
+ const int n4 = 16;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[4][16], outtmp[4];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n4;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_4X4, TX_16X16);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n4; ++i) {
+ HIGH_IHT_4x16[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n; ++j) out[j][i] = outtmp[j];
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i)
+ HIGH_IHT_4x16[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n4, n);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n4; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+
+void av1_highbd_iht16x4_64_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_16x4[] = {
+ { highbd_idct4, highbd_idct16 }, // DCT_DCT
+ { highbd_iadst4, highbd_idct16 }, // ADST_DCT
+ { highbd_idct4, highbd_iadst16 }, // DCT_ADST
+ { highbd_iadst4, highbd_iadst16 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst4, highbd_idct16 }, // FLIPADST_DCT
+ { highbd_idct4, highbd_iadst16 }, // DCT_FLIPADST
+ { highbd_iadst4, highbd_iadst16 }, // FLIPADST_FLIPADST
+ { highbd_iadst4, highbd_iadst16 }, // ADST_FLIPADST
+ { highbd_iadst4, highbd_iadst16 }, // FLIPADST_ADST
+ { highbd_iidtx4_c, highbd_iidtx16_c }, // IDTX
+ { highbd_idct4, highbd_iidtx16_c }, // V_DCT
+ { highbd_iidtx4_c, highbd_idct16 }, // H_DCT
+ { highbd_iadst4, highbd_iidtx16_c }, // V_ADST
+ { highbd_iidtx4_c, highbd_iadst16 }, // H_ADST
+ { highbd_iadst4, highbd_iidtx16_c }, // V_FLIPADST
+ { highbd_iidtx4_c, highbd_iadst16 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 4;
+ const int n4 = 16;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[16][4], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_16X16, TX_4X4);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_16x4[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n4; ++j) out[j][i] = outtmp[j];
+ input += n4;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n4; ++i) {
+ HIGH_IHT_16x4[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n, n4);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+
+void av1_highbd_iht8x16_128_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_8x16[] = {
+ { highbd_idct16, highbd_idct8 }, // DCT_DCT
+ { highbd_iadst16, highbd_idct8 }, // ADST_DCT
+ { highbd_idct16, highbd_iadst8 }, // DCT_ADST
+ { highbd_iadst16, highbd_iadst8 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst16, highbd_idct8 }, // FLIPADST_DCT
+ { highbd_idct16, highbd_iadst8 }, // DCT_FLIPADST
+ { highbd_iadst16, highbd_iadst8 }, // FLIPADST_FLIPADST
+ { highbd_iadst16, highbd_iadst8 }, // ADST_FLIPADST
+ { highbd_iadst16, highbd_iadst8 }, // FLIPADST_ADST
+ { highbd_iidtx16_c, highbd_iidtx8_c }, // IDTX
+ { highbd_idct16, highbd_iidtx8_c }, // V_DCT
+ { highbd_iidtx16_c, highbd_idct8 }, // H_DCT
+ { highbd_iadst16, highbd_iidtx8_c }, // V_ADST
+ { highbd_iidtx16_c, highbd_iadst8 }, // H_ADST
+ { highbd_iadst16, highbd_iidtx8_c }, // V_FLIPADST
+ { highbd_iidtx16_c, highbd_iadst8 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 8;
+ const int n2 = 16;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[8][16], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_8X8, TX_16X16);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_8x16[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n; ++j)
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_8x16[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht16x8_128_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_16x8[] = {
+ { highbd_idct8, highbd_idct16 }, // DCT_DCT
+ { highbd_iadst8, highbd_idct16 }, // ADST_DCT
+ { highbd_idct8, highbd_iadst16 }, // DCT_ADST
+ { highbd_iadst8, highbd_iadst16 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst8, highbd_idct16 }, // FLIPADST_DCT
+ { highbd_idct8, highbd_iadst16 }, // DCT_FLIPADST
+ { highbd_iadst8, highbd_iadst16 }, // FLIPADST_FLIPADST
+ { highbd_iadst8, highbd_iadst16 }, // ADST_FLIPADST
+ { highbd_iadst8, highbd_iadst16 }, // FLIPADST_ADST
+ { highbd_iidtx8_c, highbd_iidtx16_c }, // IDTX
+ { highbd_idct8, highbd_iidtx16_c }, // V_DCT
+ { highbd_iidtx8_c, highbd_idct16 }, // H_DCT
+ { highbd_iadst8, highbd_iidtx16_c }, // V_ADST
+ { highbd_iidtx8_c, highbd_iadst16 }, // H_ADST
+ { highbd_iadst8, highbd_iidtx16_c }, // V_FLIPADST
+ { highbd_iidtx8_c, highbd_iadst16 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 8;
+ const int n2 = 16;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[16][8], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_16X16, TX_8X8);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_16x8[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n2; ++j)
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_16x8[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht8x32_256_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_8x32[] = {
+ { highbd_idct32, highbd_idct8 }, // DCT_DCT
+ { highbd_ihalfright32_c, highbd_idct8 }, // ADST_DCT
+ { highbd_idct32, highbd_iadst8 }, // DCT_ADST
+ { highbd_ihalfright32_c, highbd_iadst8 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_ihalfright32_c, highbd_idct8 }, // FLIPADST_DCT
+ { highbd_idct32, highbd_iadst8 }, // DCT_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst8 }, // FLIPADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst8 }, // ADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst8 }, // FLIPADST_ADST
+ { highbd_iidtx32_c, highbd_iidtx8_c }, // IDTX
+ { highbd_idct32, highbd_iidtx8_c }, // V_DCT
+ { highbd_iidtx32_c, highbd_idct8 }, // H_DCT
+ { highbd_ihalfright32_c, highbd_iidtx8_c }, // V_ADST
+ { highbd_iidtx32_c, highbd_iadst8 }, // H_ADST
+ { highbd_ihalfright32_c, highbd_iidtx8_c }, // V_FLIPADST
+ { highbd_iidtx32_c, highbd_iadst8 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 8;
+ const int n4 = 32;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[8][32], outtmp[8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n4;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_8X8, TX_32X32);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n4; ++i) {
+ HIGH_IHT_8x32[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n; ++j) out[j][i] = outtmp[j];
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i)
+ HIGH_IHT_8x32[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n4, n);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n4; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht32x8_256_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_32x8[] = {
+ { highbd_idct8, highbd_idct32 }, // DCT_DCT
+ { highbd_iadst8, highbd_idct32 }, // ADST_DCT
+ { highbd_idct8, highbd_ihalfright32_c }, // DCT_ADST
+ { highbd_iadst8, highbd_ihalfright32_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst8, highbd_idct32 }, // FLIPADST_DCT
+ { highbd_idct8, highbd_ihalfright32_c }, // DCT_FLIPADST
+ { highbd_iadst8, highbd_ihalfright32_c }, // FLIPADST_FLIPADST
+ { highbd_iadst8, highbd_ihalfright32_c }, // ADST_FLIPADST
+ { highbd_iadst8, highbd_ihalfright32_c }, // FLIPADST_ADST
+ { highbd_iidtx8_c, highbd_iidtx32_c }, // IDTX
+ { highbd_idct8, highbd_iidtx32_c }, // V_DCT
+ { highbd_iidtx8_c, highbd_idct32 }, // H_DCT
+ { highbd_iadst8, highbd_iidtx32_c }, // V_ADST
+ { highbd_iidtx8_c, highbd_ihalfright32_c }, // H_ADST
+ { highbd_iadst8, highbd_iidtx32_c }, // V_FLIPADST
+ { highbd_iidtx8_c, highbd_ihalfright32_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 8;
+ const int n4 = 32;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[32][8], outtmp[32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_32X32, TX_8X8);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_32x8[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n4; ++j) out[j][i] = outtmp[j];
+ input += n4;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n4; ++i)
+ HIGH_IHT_32x8[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n, n4);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n4; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht16x32_512_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_16x32[] = {
+ { highbd_idct32, highbd_idct16 }, // DCT_DCT
+ { highbd_ihalfright32_c, highbd_idct16 }, // ADST_DCT
+ { highbd_idct32, highbd_iadst16 }, // DCT_ADST
+ { highbd_ihalfright32_c, highbd_iadst16 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_ihalfright32_c, highbd_idct16 }, // FLIPADST_DCT
+ { highbd_idct32, highbd_iadst16 }, // DCT_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst16 }, // FLIPADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst16 }, // ADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_iadst16 }, // FLIPADST_ADST
+ { highbd_iidtx32_c, highbd_iidtx16_c }, // IDTX
+ { highbd_idct32, highbd_iidtx16_c }, // V_DCT
+ { highbd_iidtx32_c, highbd_idct16 }, // H_DCT
+ { highbd_ihalfright32_c, highbd_iidtx16_c }, // V_ADST
+ { highbd_iidtx32_c, highbd_iadst16 }, // H_ADST
+ { highbd_ihalfright32_c, highbd_iidtx16_c }, // V_FLIPADST
+ { highbd_iidtx32_c, highbd_iadst16 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 16;
+ const int n2 = 32;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[16][32], outtmp[16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n2;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_16X16, TX_32X32);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_16x32[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n; ++j)
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ input += n;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_16x32[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n2, n);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n2; ++i) {
+ for (j = 0; j < n; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht32x16_512_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_32x16[] = {
+ { highbd_idct16, highbd_idct32 }, // DCT_DCT
+ { highbd_iadst16, highbd_idct32 }, // ADST_DCT
+ { highbd_idct16, highbd_ihalfright32_c }, // DCT_ADST
+ { highbd_iadst16, highbd_ihalfright32_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst16, highbd_idct32 }, // FLIPADST_DCT
+ { highbd_idct16, highbd_ihalfright32_c }, // DCT_FLIPADST
+ { highbd_iadst16, highbd_ihalfright32_c }, // FLIPADST_FLIPADST
+ { highbd_iadst16, highbd_ihalfright32_c }, // ADST_FLIPADST
+ { highbd_iadst16, highbd_ihalfright32_c }, // FLIPADST_ADST
+ { highbd_iidtx16_c, highbd_iidtx32_c }, // IDTX
+ { highbd_idct16, highbd_iidtx32_c }, // V_DCT
+ { highbd_iidtx16_c, highbd_idct32 }, // H_DCT
+ { highbd_iadst16, highbd_iidtx32_c }, // V_ADST
+ { highbd_iidtx16_c, highbd_ihalfright32_c }, // H_ADST
+ { highbd_iadst16, highbd_iidtx32_c }, // V_FLIPADST
+ { highbd_iidtx16_c, highbd_ihalfright32_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+ const int n = 16;
+ const int n2 = 32;
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t out[32][16], outtmp[32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = n;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_32X32, TX_16X16);
+
+ // inverse transform row vectors, and transpose
+ for (i = 0; i < n; ++i) {
+ HIGH_IHT_32x16[tx_type].rows(input, outtmp, cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < n2; ++j)
+ out[j][i] = HIGHBD_WRAPLOW(dct_const_round_shift(outtmp[j] * Sqrt2), bd);
+ input += n2;
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < n2; ++i) {
+ HIGH_IHT_32x16[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, n, n2);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < n; ++i) {
+ for (j = 0; j < n2; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+void av1_highbd_iht8x8_64_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_8[] = {
+ { highbd_idct8, highbd_idct8 }, // DCT_DCT
+ { highbd_iadst8, highbd_idct8 }, // ADST_DCT
+ { highbd_idct8, highbd_iadst8 }, // DCT_ADST
+ { highbd_iadst8, highbd_iadst8 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst8, highbd_idct8 }, // FLIPADST_DCT
+ { highbd_idct8, highbd_iadst8 }, // DCT_FLIPADST
+ { highbd_iadst8, highbd_iadst8 }, // FLIPADST_FLIPADST
+ { highbd_iadst8, highbd_iadst8 }, // ADST_FLIPADST
+ { highbd_iadst8, highbd_iadst8 }, // FLIPADST_ADST
+ { highbd_iidtx8_c, highbd_iidtx8_c }, // IDTX
+ { highbd_idct8, highbd_iidtx8_c }, // V_DCT
+ { highbd_iidtx8_c, highbd_idct8 }, // H_DCT
+ { highbd_iadst8, highbd_iidtx8_c }, // V_ADST
+ { highbd_iidtx8_c, highbd_iadst8 }, // H_ADST
+ { highbd_iadst8, highbd_iidtx8_c }, // V_FLIPADST
+ { highbd_iidtx8_c, highbd_iadst8 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[8][8];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 8;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_8X8, TX_8X8);
+
+ // inverse transform row vectors
+ for (i = 0; i < 8; ++i) {
+ HIGH_IHT_8[tx_type].rows(input, out[i], cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ input += 8;
+ }
+
+ // transpose
+ for (i = 1; i < 8; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 8; ++i) {
+ HIGH_IHT_8[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, 8, 8);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 8; ++i) {
+ for (j = 0; j < 8; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+
+void av1_highbd_iht16x16_256_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_16[] = {
+ { highbd_idct16, highbd_idct16 }, // DCT_DCT
+ { highbd_iadst16, highbd_idct16 }, // ADST_DCT
+ { highbd_idct16, highbd_iadst16 }, // DCT_ADST
+ { highbd_iadst16, highbd_iadst16 }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_iadst16, highbd_idct16 }, // FLIPADST_DCT
+ { highbd_idct16, highbd_iadst16 }, // DCT_FLIPADST
+ { highbd_iadst16, highbd_iadst16 }, // FLIPADST_FLIPADST
+ { highbd_iadst16, highbd_iadst16 }, // ADST_FLIPADST
+ { highbd_iadst16, highbd_iadst16 }, // FLIPADST_ADST
+ { highbd_iidtx16_c, highbd_iidtx16_c }, // IDTX
+ { highbd_idct16, highbd_iidtx16_c }, // V_DCT
+ { highbd_iidtx16_c, highbd_idct16 }, // H_DCT
+ { highbd_iadst16, highbd_iidtx16_c }, // V_ADST
+ { highbd_iidtx16_c, highbd_iadst16 }, // H_ADST
+ { highbd_iadst16, highbd_iidtx16_c }, // V_FLIPADST
+ { highbd_iidtx16_c, highbd_iadst16 }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[16][16];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 16;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_16X16, TX_16X16);
+
+ // inverse transform row vectors
+ for (i = 0; i < 16; ++i) {
+ HIGH_IHT_16[tx_type].rows(input, out[i], cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ input += 16;
+ }
+
+ // transpose
+ for (i = 1; i < 16; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 16; ++i) {
+ HIGH_IHT_16[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, 16, 16);
+#endif
+
+ // Sum with the destination
+ for (i = 0; i < 16; ++i) {
+ for (j = 0; j < 16; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+
+#if CONFIG_EXT_TX
+static void highbd_iht32x32_1024_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_32[] = {
+ { highbd_idct32, highbd_idct32 }, // DCT_DCT
+ { highbd_ihalfright32_c, highbd_idct32 }, // ADST_DCT
+ { highbd_idct32, highbd_ihalfright32_c }, // DCT_ADST
+ { highbd_ihalfright32_c, highbd_ihalfright32_c }, // ADST_ADST
+ { highbd_ihalfright32_c, highbd_idct32 }, // FLIPADST_DCT
+ { highbd_idct32, highbd_ihalfright32_c }, // DCT_FLIPADST
+ { highbd_ihalfright32_c, highbd_ihalfright32_c }, // FLIPADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_ihalfright32_c }, // ADST_FLIPADST
+ { highbd_ihalfright32_c, highbd_ihalfright32_c }, // FLIPADST_ADST
+ { highbd_iidtx32_c, highbd_iidtx32_c }, // IDTX
+ { highbd_idct32, highbd_iidtx32_c }, // V_DCT
+ { highbd_iidtx32_c, highbd_idct32 }, // H_DCT
+ { highbd_ihalfright32_c, highbd_iidtx32_c }, // V_ADST
+ { highbd_iidtx32_c, highbd_ihalfright32_c }, // H_ADST
+ { highbd_ihalfright32_c, highbd_iidtx32_c }, // V_FLIPADST
+ { highbd_iidtx32_c, highbd_ihalfright32_c }, // H_FLIPADST
+ };
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[32][32];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 32;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_32X32, TX_32X32);
+
+ // inverse transform row vectors
+ for (i = 0; i < 32; ++i) {
+ HIGH_IHT_32[tx_type].rows(input, out[i], cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ input += 32;
+ }
+
+ // transpose
+ for (i = 1; i < 32; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 32; ++i) {
+ HIGH_IHT_32[tx_type].cols(out[i], out[i], cfg.col.cos_bit,
+ cfg.col.stage_range, bd);
+ }
+
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, 32, 32);
+
+ // Sum with the destination
+ for (i = 0; i < 32; ++i) {
+ for (j = 0; j < 32; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 6), bd);
+ }
+ }
+}
+#endif // CONFIG_EXT_TX
+
+#if CONFIG_TX64X64
+static void highbd_iht64x64_4096_add_c(const tran_low_t *input, uint8_t *dest8,
+ int stride, int tx_type, int bd) {
+ static const highbd_transform_2d HIGH_IHT_64[] = {
+ { highbd_idct64_col_c, highbd_idct64_row_c }, // DCT_DCT
+ { highbd_ihalfright64_c, highbd_idct64_row_c }, // ADST_DCT
+ { highbd_idct64_col_c, highbd_ihalfright64_c }, // DCT_ADST
+ { highbd_ihalfright64_c, highbd_ihalfright64_c }, // ADST_ADST
+#if CONFIG_EXT_TX
+ { highbd_ihalfright64_c, highbd_idct64_row_c }, // FLIPADST_DCT
+ { highbd_idct64_col_c, highbd_ihalfright64_c }, // DCT_FLIPADST
+ { highbd_ihalfright64_c, highbd_ihalfright64_c }, // FLIPADST_FLIPADST
+ { highbd_ihalfright64_c, highbd_ihalfright64_c }, // ADST_FLIPADST
+ { highbd_ihalfright64_c, highbd_ihalfright64_c }, // FLIPADST_ADST
+ { highbd_iidtx64_c, highbd_iidtx64_c }, // IDTX
+ { highbd_idct64_col_c, highbd_iidtx64_c }, // V_DCT
+ { highbd_iidtx64_c, highbd_idct64_row_c }, // H_DCT
+ { highbd_ihalfright64_c, highbd_iidtx64_c }, // V_ADST
+ { highbd_iidtx64_c, highbd_ihalfright64_c }, // H_ADST
+ { highbd_ihalfright64_c, highbd_iidtx64_c }, // V_FLIPADST
+ { highbd_iidtx64_c, highbd_ihalfright64_c }, // H_FLIPADST
+#endif // CONFIG_EXT_TX
+ };
+
+ uint16_t *dest = CONVERT_TO_SHORTPTR(dest8);
+
+ int i, j;
+ tran_low_t tmp;
+ tran_low_t out[64][64];
+ tran_low_t *outp = &out[0][0];
+ int outstride = 64;
+
+ tx_2d_cfg cfg = inv_tx_cfg(tx_type, TX_64X64, TX_64X64);
+
+ // inverse transform row vectors
+ for (i = 0; i < 64; ++i) {
+ HIGH_IHT_64[tx_type].rows(input, out[i], cfg.row.cos_bit,
+ cfg.row.stage_range, bd);
+ for (j = 0; j < 64; ++j) out[i][j] = ROUND_POWER_OF_TWO(out[i][j], 1);
+ input += 64;
+ }
+
+ // transpose
+ for (i = 1; i < 64; i++) {
+ for (j = 0; j < i; j++) {
+ tmp = out[i][j];
+ out[i][j] = out[j][i];
+ out[j][i] = tmp;
+ }
+ }
+
+ // inverse transform column vectors
+ for (i = 0; i < 64; ++i) {
+ HIGH_IHT_64[tx_type].cols(out[i], out[i], cfg.col.cos_bit_col,
+ cfg.col.stage_range, bd);
+ }
+
+#if CONFIG_EXT_TX
+ maybe_flip_strides16(&dest, &stride, &outp, &outstride, tx_type, 64, 64);
+#endif // CONFIG_EXT_TX
+
+ // Sum with the destination
+ for (i = 0; i < 64; ++i) {
+ for (j = 0; j < 64; ++j) {
+ int d = i * stride + j;
+ int s = j * outstride + i;
+ dest[d] =
+ highbd_clip_pixel_add(dest[d], ROUND_POWER_OF_TWO(outp[s], 5), bd);
+ }
+ }
+}
+#endif // CONFIG_TX64X64
+
+// idct
+void av1_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd) {
+ if (eob > 1)
+ aom_highbd_idct4x4_16_add(input, dest, stride, bd);
+ else
+ aom_highbd_idct4x4_1_add(input, dest, stride, bd);
+}
+
+void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+ int eob, int bd) {
+ if (eob > 1)
+ aom_highbd_iwht4x4_16_add(input, dest, stride, bd);
+ else
+ aom_highbd_iwht4x4_1_add(input, dest, stride, bd);
+}
+
+#if CONFIG_CB4X4
+static void highbd_inv_txfm_add_2x2(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type, int lossless) {
+ tran_high_t a1 = input[0] >> UNIT_QUANT_SHIFT;
+ tran_high_t b1 = input[1] >> UNIT_QUANT_SHIFT;
+ tran_high_t c1 = input[2] >> UNIT_QUANT_SHIFT;
+ tran_high_t d1 = input[3] >> UNIT_QUANT_SHIFT;
+
+ tran_high_t a2 = a1 + c1;
+ tran_high_t b2 = b1 + d1;
+ tran_high_t c2 = a1 - c1;
+ tran_high_t d2 = b1 - d1;
+
+ uint16_t *dst = CONVERT_TO_SHORTPTR(dest);
+
+ (void)tx_type;
+ (void)lossless;
+ (void)eob;
+
+ a1 = (a2 + b2) >> 2;
+ b1 = (a2 - b2) >> 2;
+ c1 = (c2 + d2) >> 2;
+ d1 = (c2 - d2) >> 2;
+
+ dst[0] = highbd_clip_pixel_add(dst[0], a1, bd);
+ dst[1] = highbd_clip_pixel_add(dst[1], b1, bd);
+ dst[stride] = highbd_clip_pixel_add(dst[stride], c1, bd);
+ dst[stride + 1] = highbd_clip_pixel_add(dst[stride + 1], d1, bd);
+}
+#endif
+
+void av1_highbd_inv_txfm_add_4x4(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd, TX_TYPE tx_type,
+ int lossless) {
+ if (lossless) {
+ assert(tx_type == DCT_DCT);
+ av1_highbd_iwht4x4_add(input, dest, stride, eob, bd);
+ return;
+ }
+
+ switch (tx_type) {
+ case DCT_DCT:
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+#endif // CONFIG_EXT_TX
+ av1_inv_txfm2d_add_4x4(input, CONVERT_TO_SHORTPTR(dest), stride, tx_type,
+ bd);
+ break;
+#if CONFIG_EXT_TX
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ // Use C version since DST only exists in C code
+ av1_highbd_iht4x4_16_add_c(input, dest, stride, tx_type, bd);
+ break;
+ case IDTX:
+ highbd_inv_idtx_add_c(input, dest, stride, 4, tx_type, bd);
+ break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+void av1_highbd_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd, TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht4x8_32_add_c(input, dest, stride, tx_type, bd);
+}
+
+void av1_highbd_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd, TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht8x4_32_add_c(input, dest, stride, tx_type, bd);
+}
+
+void av1_highbd_inv_txfm_add_4x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht4x16_64_add_c(input, dest, stride, tx_type, bd);
+}
+
+void av1_highbd_inv_txfm_add_16x4(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht16x4_64_add_c(input, dest, stride, tx_type, bd);
+}
+
+static void highbd_inv_txfm_add_8x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht8x16_128_add_c(input, dest, stride, tx_type, bd);
+}
+
+static void highbd_inv_txfm_add_16x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht16x8_128_add_c(input, dest, stride, tx_type, bd);
+}
+
+void av1_highbd_inv_txfm_add_8x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht8x32_256_add_c(input, dest, stride, tx_type, bd);
+}
+
+void av1_highbd_inv_txfm_add_32x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht32x8_256_add_c(input, dest, stride, tx_type, bd);
+}
+
+static void highbd_inv_txfm_add_16x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht16x32_512_add_c(input, dest, stride, tx_type, bd);
+}
+
+static void highbd_inv_txfm_add_32x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ av1_highbd_iht32x16_512_add_c(input, dest, stride, tx_type, bd);
+}
+
+static void highbd_inv_txfm_add_8x8(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ switch (tx_type) {
+ case DCT_DCT:
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+#endif // CONFIG_EXT_TX
+ av1_inv_txfm2d_add_8x8(input, CONVERT_TO_SHORTPTR(dest), stride, tx_type,
+ bd);
+ break;
+#if CONFIG_EXT_TX
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ // Use C version since DST only exists in C code
+ av1_highbd_iht8x8_64_add_c(input, dest, stride, tx_type, bd);
+ break;
+ case IDTX:
+ highbd_inv_idtx_add_c(input, dest, stride, 8, tx_type, bd);
+ break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+static void highbd_inv_txfm_add_16x16(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ switch (tx_type) {
+ case DCT_DCT:
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+#if CONFIG_EXT_TX
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+#endif // CONFIG_EXT_TX
+ av1_inv_txfm2d_add_16x16(input, CONVERT_TO_SHORTPTR(dest), stride,
+ tx_type, bd);
+ break;
+#if CONFIG_EXT_TX
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ // Use C version since DST only exists in C code
+ av1_highbd_iht16x16_256_add_c(input, dest, stride, tx_type, bd);
+ break;
+ case IDTX:
+ highbd_inv_idtx_add_c(input, dest, stride, 16, tx_type, bd);
+ break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+static void highbd_inv_txfm_add_32x32(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ switch (tx_type) {
+ case DCT_DCT:
+ av1_inv_txfm2d_add_32x32(input, CONVERT_TO_SHORTPTR(dest), stride,
+ DCT_DCT, bd);
+ break;
+#if CONFIG_EXT_TX
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ highbd_iht32x32_1024_add_c(input, dest, stride, tx_type, bd);
+ break;
+ case IDTX:
+ highbd_inv_idtx_add_c(input, dest, stride, 32, tx_type, bd);
+ break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+
+#if CONFIG_TX64X64
+static void highbd_inv_txfm_add_64x64(const tran_low_t *input, uint8_t *dest,
+ int stride, int eob, int bd,
+ TX_TYPE tx_type) {
+ (void)eob;
+ switch (tx_type) {
+ case DCT_DCT:
+ av1_inv_txfm2d_add_64x64(input, CONVERT_TO_SHORTPTR(dest), stride,
+ DCT_DCT, bd);
+ break;
+#if CONFIG_EXT_TX
+ case ADST_DCT:
+ case DCT_ADST:
+ case ADST_ADST:
+ case FLIPADST_DCT:
+ case DCT_FLIPADST:
+ case FLIPADST_FLIPADST:
+ case ADST_FLIPADST:
+ case FLIPADST_ADST:
+ case V_DCT:
+ case H_DCT:
+ case V_ADST:
+ case H_ADST:
+ case V_FLIPADST:
+ case H_FLIPADST:
+ highbd_iht64x64_4096_add_c(input, dest, stride, tx_type, bd);
+ break;
+ case IDTX:
+ highbd_inv_idtx_add_c(input, dest, stride, 64, tx_type, bd);
+ break;
+#endif // CONFIG_EXT_TX
+ default: assert(0); break;
+ }
+}
+#endif // CONFIG_TX64X64
+#endif // CONFIG_HIGHBITDEPTH
+
+void av1_inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+ INV_TXFM_PARAM *inv_txfm_param) {
+ const TX_TYPE tx_type = inv_txfm_param->tx_type;
+ const TX_SIZE tx_size = inv_txfm_param->tx_size;
+ const int eob = inv_txfm_param->eob;
+ const int lossless = inv_txfm_param->lossless;
+
+ switch (tx_size) {
+#if CONFIG_TX64X64
+ case TX_64X64: inv_txfm_add_64x64(input, dest, stride, eob, tx_type); break;
+#endif // CONFIG_TX64X64
+ case TX_32X32: inv_txfm_add_32x32(input, dest, stride, eob, tx_type); break;
+ case TX_16X16: inv_txfm_add_16x16(input, dest, stride, eob, tx_type); break;
+ case TX_8X8: inv_txfm_add_8x8(input, dest, stride, eob, tx_type); break;
+ case TX_4X8: av1_inv_txfm_add_4x8(input, dest, stride, eob, tx_type); break;
+ case TX_8X4: av1_inv_txfm_add_8x4(input, dest, stride, eob, tx_type); break;
+ case TX_8X16: inv_txfm_add_8x16(input, dest, stride, eob, tx_type); break;
+ case TX_16X8: inv_txfm_add_16x8(input, dest, stride, eob, tx_type); break;
+ case TX_16X32: inv_txfm_add_16x32(input, dest, stride, eob, tx_type); break;
+ case TX_32X16: inv_txfm_add_32x16(input, dest, stride, eob, tx_type); break;
+ case TX_4X4:
+ // this is like av1_short_idct4x4 but has a special case around eob<=1
+ // which is significant (not just an optimization) for the lossless
+ // case.
+ av1_inv_txfm_add_4x4(input, dest, stride, eob, tx_type, lossless);
+ break;
+#if CONFIG_CB4X4
+ case TX_2X2:
+ inv_txfm_add_2x2(input, dest, stride, eob, tx_type, lossless);
+ break;
+#endif
+ default: assert(0 && "Invalid transform size"); break;
+ }
+}
+
+static void init_inv_txfm_param(const MACROBLOCKD *xd, TX_SIZE tx_size,
+ TX_TYPE tx_type, int eob, INV_TXFM_PARAM *inv) {
+ inv->tx_type = tx_type;
+ inv->tx_size = tx_size;
+ inv->eob = eob;
+ inv->lossless = xd->lossless[xd->mi[0]->mbmi.segment_id];
+#if CONFIG_HIGHBITDEPTH
+ inv->bd = xd->bd;
+#endif
+#if CONFIG_ADAPT_SCAN
+ inv->eob_threshold = &xd->eob_threshold_md[tx_size][tx_type][0];
+#endif
+}
+
+void av1_inverse_transform_block(const MACROBLOCKD *xd,
+ const tran_low_t *dqcoeff, TX_TYPE tx_type,
+ TX_SIZE tx_size, uint8_t *dst, int stride,
+ int eob) {
+ if (!eob) return;
+#if CONFIG_PVQ
+ const BLOCK_SIZE tx_bsize = txsize_to_bsize[tx_size];
+ const int txb_width = block_size_wide[tx_bsize];
+ const int txb_height = block_size_high[tx_bsize];
+ int r, c;
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (r = 0; r < txb_height; r++)
+ for (c = 0; c < txb_width; c++)
+ CONVERT_TO_SHORTPTR(dst)[r * stride + c] = 0;
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ for (r = 0; r < txb_height; r++)
+ for (c = 0; c < txb_width; c++) dst[r * stride + c] = 0;
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+#endif // CONFIG_PVQ
+ INV_TXFM_PARAM inv_txfm_param;
+ init_inv_txfm_param(xd, tx_size, tx_type, eob, &inv_txfm_param);
+
+#if CONFIG_HIGHBITDEPTH
+ if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ av1_highbd_inv_txfm_add(dqcoeff, dst, stride, &inv_txfm_param);
+ } else {
+#endif // CONFIG_HIGHBITDEPTH
+ av1_inv_txfm_add(dqcoeff, dst, stride, &inv_txfm_param);
+#if CONFIG_HIGHBITDEPTH
+ }
+#endif // CONFIG_HIGHBITDEPTH
+}
+
+void av1_inverse_transform_block_facade(MACROBLOCKD *xd, int plane, int block,
+ int blk_row, int blk_col, int eob) {
+ struct macroblockd_plane *const pd = &xd->plane[plane];
+ tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+ const PLANE_TYPE plane_type = get_plane_type(plane);
+ const TX_SIZE tx_size = get_tx_size(plane, xd);
+ const TX_TYPE tx_type = get_tx_type(plane_type, xd, block, tx_size);
+ const int dst_stride = pd->dst.stride;
+ uint8_t *dst =
+ &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]];
+ av1_inverse_transform_block(xd, dqcoeff, tx_type, tx_size, dst, dst_stride,
+ eob);
+}
+
+#if CONFIG_HIGHBITDEPTH
+void av1_highbd_inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+ INV_TXFM_PARAM *inv_txfm_param) {
+ const TX_TYPE tx_type = inv_txfm_param->tx_type;
+ const TX_SIZE tx_size = inv_txfm_param->tx_size;
+ const int eob = inv_txfm_param->eob;
+ const int bd = inv_txfm_param->bd;
+ const int lossless = inv_txfm_param->lossless;
+
+ switch (tx_size) {
+#if CONFIG_TX64X64
+ case TX_64X64:
+ highbd_inv_txfm_add_64x64(input, dest, stride, eob, bd, tx_type);
+ break;
+#endif // CONFIG_TX64X64
+ case TX_32X32:
+ highbd_inv_txfm_add_32x32(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_16X16:
+ highbd_inv_txfm_add_16x16(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_8X8:
+ highbd_inv_txfm_add_8x8(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_4X8:
+ av1_highbd_inv_txfm_add_4x8(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_8X4:
+ av1_highbd_inv_txfm_add_8x4(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_8X16:
+ highbd_inv_txfm_add_8x16(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_16X8:
+ highbd_inv_txfm_add_16x8(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_16X32:
+ highbd_inv_txfm_add_16x32(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_32X16:
+ highbd_inv_txfm_add_32x16(input, dest, stride, eob, bd, tx_type);
+ break;
+ case TX_4X4:
+ // this is like av1_short_idct4x4 but has a special case around eob<=1
+ // which is significant (not just an optimization) for the lossless
+ // case.
+ av1_highbd_inv_txfm_add_4x4(input, dest, stride, eob, bd, tx_type,
+ lossless);
+ break;
+#if CONFIG_CB4X4
+ case TX_2X2:
+ highbd_inv_txfm_add_2x2(input, dest, stride, eob, bd, tx_type, lossless);
+ break;
+#endif
+ default: assert(0 && "Invalid transform size"); break;
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH