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Diffstat (limited to 'third_party/aom/av1/common/idct.c')
| -rw-r--r-- | third_party/aom/av1/common/idct.c | 3067 |
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 new file mode 100644 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 |