third_party/libdav1d/src/itx_tmpl.c - cobalt - Git at Google

 /*
  * Copyright © 2018-2019, VideoLAN and dav1d authors
  * Copyright © 2018-2019, Two Orioles, LLC
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice, this
  *    list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "config.h"

 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>

 #include "common/attributes.h"
 #include "common/intops.h"

 #include "src/itx.h"
 #include "src/itx_1d.h"

 static NOINLINE void
 inv_txfm_add_c(pixel *dst, const ptrdiff_t stride, coef *const coeff,
                const int eob, const int w, const int h, const int shift,
                const itx_1d_fn first_1d_fn, const itx_1d_fn second_1d_fn,
                const int has_dconly HIGHBD_DECL_SUFFIX)
 {
     assert(w >= 4 && w <= 64);
     assert(h >= 4 && h <= 64);
     assert(eob >= 0);

     const int is_rect2 = w * 2 == h || h * 2 == w;
     const int rnd = (1 << shift) >> 1;

     if (eob < has_dconly) {
         int dc = coeff[0];
         coeff[0] = 0;
         if (is_rect2)
             dc = (dc * 181 + 128) >> 8;
         dc = (dc * 181 + 128) >> 8;
         dc = (dc + rnd) >> shift;
         dc = (dc * 181 + 128 + 2048) >> 12;
         for (int y = 0; y < h; y++, dst += PXSTRIDE(stride))
             for (int x = 0; x < w; x++)
                 dst[x] = iclip_pixel(dst[x] + dc);
         return;
     }

     const int sh = imin(h, 32), sw = imin(w, 32);
 #if BITDEPTH == 8
     const int row_clip_min = INT16_MIN;
     const int col_clip_min = INT16_MIN;
 #else
     const int row_clip_min = (int) ((unsigned) ~bitdepth_max << 7);
     const int col_clip_min = (int) ((unsigned) ~bitdepth_max << 5);
 #endif
     const int row_clip_max = ~row_clip_min;
     const int col_clip_max = ~col_clip_min;

     int32_t tmp[64 * 64], *c = tmp;
     for (int y = 0; y < sh; y++, c += w) {
         if (is_rect2)
             for (int x = 0; x < sw; x++)
                 c[x] = (coeff[y + x * sh] * 181 + 128) >> 8;
         else
             for (int x = 0; x < sw; x++)
                 c[x] = coeff[y + x * sh];
         first_1d_fn(c, 1, row_clip_min, row_clip_max);
     }

     memset(coeff, 0, sizeof(*coeff) * sw * sh);
     for (int i = 0; i < w * sh; i++)
         tmp[i] = iclip((tmp[i] + rnd) >> shift, col_clip_min, col_clip_max);

     for (int x = 0; x < w; x++)
         second_1d_fn(&tmp[x], w, col_clip_min, col_clip_max);

     c = tmp;
     for (int y = 0; y < h; y++, dst += PXSTRIDE(stride))
         for (int x = 0; x < w; x++)
             dst[x] = iclip_pixel(dst[x] + ((*c++ + 8) >> 4));
 }

 #define inv_txfm_fn(type1, type2, w, h, shift, has_dconly) \
 static void \
 inv_txfm_add_##type1##_##type2##_##w##x##h##_c(pixel *dst, \
                                                const ptrdiff_t stride, \
                                                coef *const coeff, \
                                                const int eob \
                                                HIGHBD_DECL_SUFFIX) \
 { \
     inv_txfm_add_c(dst, stride, coeff, eob, w, h, shift, \
                    dav1d_inv_##type1##w##_1d_c, dav1d_inv_##type2##h##_1d_c, \
                    has_dconly HIGHBD_TAIL_SUFFIX); \
 }

 #define inv_txfm_fn64(w, h, shift) \
 inv_txfm_fn(dct, dct, w, h, shift, 1)

 #define inv_txfm_fn32(w, h, shift) \
 inv_txfm_fn64(w, h, shift) \
 inv_txfm_fn(identity, identity, w, h, shift, 0)

 #define inv_txfm_fn16(w, h, shift) \
 inv_txfm_fn32(w, h, shift) \
 inv_txfm_fn(adst,     dct,      w, h, shift, 0) \
 inv_txfm_fn(dct,      adst,     w, h, shift, 0) \
 inv_txfm_fn(adst,     adst,     w, h, shift, 0) \
 inv_txfm_fn(dct,      flipadst, w, h, shift, 0) \
 inv_txfm_fn(flipadst, dct,      w, h, shift, 0) \
 inv_txfm_fn(adst,     flipadst, w, h, shift, 0) \
 inv_txfm_fn(flipadst, adst,     w, h, shift, 0) \
 inv_txfm_fn(flipadst, flipadst, w, h, shift, 0) \
 inv_txfm_fn(identity, dct,      w, h, shift, 0) \
 inv_txfm_fn(dct,      identity, w, h, shift, 0) \

 #define inv_txfm_fn84(w, h, shift) \
 inv_txfm_fn16(w, h, shift) \
 inv_txfm_fn(identity, flipadst, w, h, shift, 0) \
 inv_txfm_fn(flipadst, identity, w, h, shift, 0) \
 inv_txfm_fn(identity, adst,     w, h, shift, 0) \
 inv_txfm_fn(adst,     identity, w, h, shift, 0) \

 inv_txfm_fn84( 4,  4, 0)
 inv_txfm_fn84( 4,  8, 0)
 inv_txfm_fn84( 4, 16, 1)
 inv_txfm_fn84( 8,  4, 0)
 inv_txfm_fn84( 8,  8, 1)
 inv_txfm_fn84( 8, 16, 1)
 inv_txfm_fn32( 8, 32, 2)
 inv_txfm_fn84(16,  4, 1)
 inv_txfm_fn84(16,  8, 1)
 inv_txfm_fn16(16, 16, 2)
 inv_txfm_fn32(16, 32, 1)
 inv_txfm_fn64(16, 64, 2)
 inv_txfm_fn32(32,  8, 2)
 inv_txfm_fn32(32, 16, 1)
 inv_txfm_fn32(32, 32, 2)
 inv_txfm_fn64(32, 64, 1)
 inv_txfm_fn64(64, 16, 2)
 inv_txfm_fn64(64, 32, 1)
 inv_txfm_fn64(64, 64, 2)

 static void inv_txfm_add_wht_wht_4x4_c(pixel *dst, const ptrdiff_t stride,
                                        coef *const coeff, const int eob
                                        HIGHBD_DECL_SUFFIX)
 {
     int32_t tmp[4 * 4], *c = tmp;
     for (int y = 0; y < 4; y++, c += 4) {
         for (int x = 0; x < 4; x++)
             c[x] = coeff[y + x * 4] >> 2;
         dav1d_inv_wht4_1d_c(c, 1);
     }
     memset(coeff, 0, sizeof(*coeff) * 4 * 4);

     for (int x = 0; x < 4; x++)
         dav1d_inv_wht4_1d_c(&tmp[x], 4);

     c = tmp;
     for (int y = 0; y < 4; y++, dst += PXSTRIDE(stride))
         for (int x = 0; x < 4; x++)
             dst[x] = iclip_pixel(dst[x] + *c++);
 }

 #if HAVE_ASM
 #if ARCH_AARCH64 || ARCH_ARM
 #include "src/arm/itx.h"
 #elif ARCH_X86
 #include "src/x86/itx.h"
 #endif
 #endif

 COLD void bitfn(dav1d_itx_dsp_init)(Dav1dInvTxfmDSPContext *const c, int bpc) {
 #define assign_itx_all_fn64(w, h, pfx) \
     c->itxfm_add[pfx##TX_##w##X##h][DCT_DCT  ] = \
         inv_txfm_add_dct_dct_##w##x##h##_c

 #define assign_itx_all_fn32(w, h, pfx) \
     assign_itx_all_fn64(w, h, pfx); \
     c->itxfm_add[pfx##TX_##w##X##h][IDTX] = \
         inv_txfm_add_identity_identity_##w##x##h##_c

 #define assign_itx_all_fn16(w, h, pfx) \
     assign_itx_all_fn32(w, h, pfx); \
     c->itxfm_add[pfx##TX_##w##X##h][DCT_ADST ] = \
         inv_txfm_add_adst_dct_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][ADST_DCT ] = \
         inv_txfm_add_dct_adst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][ADST_ADST] = \
         inv_txfm_add_adst_adst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][ADST_FLIPADST] = \
         inv_txfm_add_flipadst_adst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_ADST] = \
         inv_txfm_add_adst_flipadst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][DCT_FLIPADST] = \
         inv_txfm_add_flipadst_dct_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_DCT] = \
         inv_txfm_add_dct_flipadst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_FLIPADST] = \
         inv_txfm_add_flipadst_flipadst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][H_DCT] = \
         inv_txfm_add_dct_identity_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][V_DCT] = \
         inv_txfm_add_identity_dct_##w##x##h##_c

 #define assign_itx_all_fn84(w, h, pfx) \
     assign_itx_all_fn16(w, h, pfx); \
     c->itxfm_add[pfx##TX_##w##X##h][H_FLIPADST] = \
         inv_txfm_add_flipadst_identity_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][V_FLIPADST] = \
         inv_txfm_add_identity_flipadst_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][H_ADST] = \
         inv_txfm_add_adst_identity_##w##x##h##_c; \
     c->itxfm_add[pfx##TX_##w##X##h][V_ADST] = \
         inv_txfm_add_identity_adst_##w##x##h##_c; \

     c->itxfm_add[TX_4X4][WHT_WHT] = inv_txfm_add_wht_wht_4x4_c;
     assign_itx_all_fn84( 4,  4, );
     assign_itx_all_fn84( 4,  8, R);
     assign_itx_all_fn84( 4, 16, R);
     assign_itx_all_fn84( 8,  4, R);
     assign_itx_all_fn84( 8,  8, );
     assign_itx_all_fn84( 8, 16, R);
     assign_itx_all_fn32( 8, 32, R);
     assign_itx_all_fn84(16,  4, R);
     assign_itx_all_fn84(16,  8, R);
     assign_itx_all_fn16(16, 16, );
     assign_itx_all_fn32(16, 32, R);
     assign_itx_all_fn64(16, 64, R);
     assign_itx_all_fn32(32,  8, R);
     assign_itx_all_fn32(32, 16, R);
     assign_itx_all_fn32(32, 32, );
     assign_itx_all_fn64(32, 64, R);
     assign_itx_all_fn64(64, 16, R);
     assign_itx_all_fn64(64, 32, R);
     assign_itx_all_fn64(64, 64, );

 #if HAVE_ASM
 #if ARCH_AARCH64 || ARCH_ARM
     itx_dsp_init_arm(c, bpc);
 #endif
 #if ARCH_X86
     itx_dsp_init_x86(c, bpc);
 #endif
 #endif
 }
	/*
	* Copyright © 2018-2019, VideoLAN and dav1d authors
	* Copyright © 2018-2019, Two Orioles, LLC
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright notice, this
	* list of conditions and the following disclaimer.
	*
	* 2. Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
	* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "config.h"

	#include <stddef.h>
	#include <stdint.h>
	#include <string.h>

	#include "common/attributes.h"
	#include "common/intops.h"

	#include "src/itx.h"
	#include "src/itx_1d.h"

	static NOINLINE void
	inv_txfm_add_c(pixel dst, const ptrdiff_t stride, coef const coeff,
	const int eob, const int w, const int h, const int shift,
	const itx_1d_fn first_1d_fn, const itx_1d_fn second_1d_fn,
	const int has_dconly HIGHBD_DECL_SUFFIX)
	{
	assert(w >= 4 && w <= 64);
	assert(h >= 4 && h <= 64);
	assert(eob >= 0);

	const int is_rect2 = w * 2 == h \|\| h * 2 == w;
	const int rnd = (1 << shift) >> 1;

	if (eob < has_dconly) {
	int dc = coeff[0];
	coeff[0] = 0;
	if (is_rect2)
	dc = (dc * 181 + 128) >> 8;
	dc = (dc * 181 + 128) >> 8;
	dc = (dc + rnd) >> shift;
	dc = (dc * 181 + 128 + 2048) >> 12;
	for (int y = 0; y < h; y++, dst += PXSTRIDE(stride))
	for (int x = 0; x < w; x++)
	dst[x] = iclip_pixel(dst[x] + dc);
	return;
	}

	const int sh = imin(h, 32), sw = imin(w, 32);
	#if BITDEPTH == 8
	const int row_clip_min = INT16_MIN;
	const int col_clip_min = INT16_MIN;
	#else
	const int row_clip_min = (int) ((unsigned) ~bitdepth_max << 7);
	const int col_clip_min = (int) ((unsigned) ~bitdepth_max << 5);
	#endif
	const int row_clip_max = ~row_clip_min;
	const int col_clip_max = ~col_clip_min;

	int32_t tmp[64 * 64], *c = tmp;
	for (int y = 0; y < sh; y++, c += w) {
	if (is_rect2)
	for (int x = 0; x < sw; x++)
	c[x] = (coeff[y + x * sh] * 181 + 128) >> 8;
	else
	for (int x = 0; x < sw; x++)
	c[x] = coeff[y + x * sh];
	first_1d_fn(c, 1, row_clip_min, row_clip_max);
	}

	memset(coeff, 0, sizeof(coeff) sw * sh);
	for (int i = 0; i < w * sh; i++)
	tmp[i] = iclip((tmp[i] + rnd) >> shift, col_clip_min, col_clip_max);

	for (int x = 0; x < w; x++)
	second_1d_fn(&tmp[x], w, col_clip_min, col_clip_max);

	c = tmp;
	for (int y = 0; y < h; y++, dst += PXSTRIDE(stride))
	for (int x = 0; x < w; x++)
	dst[x] = iclip_pixel(dst[x] + ((*c++ + 8) >> 4));
	}

	#define inv_txfm_fn(type1, type2, w, h, shift, has_dconly) \
	static void \
	inv_txfm_add_##type1##_##type2##_##w##x##h##_c(pixel *dst, \
	const ptrdiff_t stride, \
	coef *const coeff, \
	const int eob \
	HIGHBD_DECL_SUFFIX) \
	{ \
	inv_txfm_add_c(dst, stride, coeff, eob, w, h, shift, \
	dav1d_inv_##type1##w##_1d_c, dav1d_inv_##type2##h##_1d_c, \
	has_dconly HIGHBD_TAIL_SUFFIX); \
	}

	#define inv_txfm_fn64(w, h, shift) \
	inv_txfm_fn(dct, dct, w, h, shift, 1)

	#define inv_txfm_fn32(w, h, shift) \
	inv_txfm_fn64(w, h, shift) \
	inv_txfm_fn(identity, identity, w, h, shift, 0)

	#define inv_txfm_fn16(w, h, shift) \
	inv_txfm_fn32(w, h, shift) \
	inv_txfm_fn(adst, dct, w, h, shift, 0) \
	inv_txfm_fn(dct, adst, w, h, shift, 0) \
	inv_txfm_fn(adst, adst, w, h, shift, 0) \
	inv_txfm_fn(dct, flipadst, w, h, shift, 0) \
	inv_txfm_fn(flipadst, dct, w, h, shift, 0) \
	inv_txfm_fn(adst, flipadst, w, h, shift, 0) \
	inv_txfm_fn(flipadst, adst, w, h, shift, 0) \
	inv_txfm_fn(flipadst, flipadst, w, h, shift, 0) \
	inv_txfm_fn(identity, dct, w, h, shift, 0) \
	inv_txfm_fn(dct, identity, w, h, shift, 0) \

	#define inv_txfm_fn84(w, h, shift) \
	inv_txfm_fn16(w, h, shift) \
	inv_txfm_fn(identity, flipadst, w, h, shift, 0) \
	inv_txfm_fn(flipadst, identity, w, h, shift, 0) \
	inv_txfm_fn(identity, adst, w, h, shift, 0) \
	inv_txfm_fn(adst, identity, w, h, shift, 0) \

	inv_txfm_fn84( 4, 4, 0)
	inv_txfm_fn84( 4, 8, 0)
	inv_txfm_fn84( 4, 16, 1)
	inv_txfm_fn84( 8, 4, 0)
	inv_txfm_fn84( 8, 8, 1)
	inv_txfm_fn84( 8, 16, 1)
	inv_txfm_fn32( 8, 32, 2)
	inv_txfm_fn84(16, 4, 1)
	inv_txfm_fn84(16, 8, 1)
	inv_txfm_fn16(16, 16, 2)
	inv_txfm_fn32(16, 32, 1)
	inv_txfm_fn64(16, 64, 2)
	inv_txfm_fn32(32, 8, 2)
	inv_txfm_fn32(32, 16, 1)
	inv_txfm_fn32(32, 32, 2)
	inv_txfm_fn64(32, 64, 1)
	inv_txfm_fn64(64, 16, 2)
	inv_txfm_fn64(64, 32, 1)
	inv_txfm_fn64(64, 64, 2)

	static void inv_txfm_add_wht_wht_4x4_c(pixel *dst, const ptrdiff_t stride,
	coef *const coeff, const int eob
	HIGHBD_DECL_SUFFIX)
	{
	int32_t tmp[4 * 4], *c = tmp;
	for (int y = 0; y < 4; y++, c += 4) {
	for (int x = 0; x < 4; x++)
	c[x] = coeff[y + x * 4] >> 2;
	dav1d_inv_wht4_1d_c(c, 1);
	}
	memset(coeff, 0, sizeof(coeff) 4 * 4);

	for (int x = 0; x < 4; x++)
	dav1d_inv_wht4_1d_c(&tmp[x], 4);

	c = tmp;
	for (int y = 0; y < 4; y++, dst += PXSTRIDE(stride))
	for (int x = 0; x < 4; x++)
	dst[x] = iclip_pixel(dst[x] + *c++);
	}

	#if HAVE_ASM
	#if ARCH_AARCH64 \|\| ARCH_ARM
	#include "src/arm/itx.h"
	#elif ARCH_X86
	#include "src/x86/itx.h"
	#endif
	#endif

	COLD void bitfn(dav1d_itx_dsp_init)(Dav1dInvTxfmDSPContext *const c, int bpc) {
	#define assign_itx_all_fn64(w, h, pfx) \
	c->itxfm_add[pfx##TX_##w##X##h][DCT_DCT ] = \
	inv_txfm_add_dct_dct_##w##x##h##_c

	#define assign_itx_all_fn32(w, h, pfx) \
	assign_itx_all_fn64(w, h, pfx); \
	c->itxfm_add[pfx##TX_##w##X##h][IDTX] = \
	inv_txfm_add_identity_identity_##w##x##h##_c

	#define assign_itx_all_fn16(w, h, pfx) \
	assign_itx_all_fn32(w, h, pfx); \
	c->itxfm_add[pfx##TX_##w##X##h][DCT_ADST ] = \
	inv_txfm_add_adst_dct_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][ADST_DCT ] = \
	inv_txfm_add_dct_adst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][ADST_ADST] = \
	inv_txfm_add_adst_adst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][ADST_FLIPADST] = \
	inv_txfm_add_flipadst_adst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_ADST] = \
	inv_txfm_add_adst_flipadst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][DCT_FLIPADST] = \
	inv_txfm_add_flipadst_dct_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_DCT] = \
	inv_txfm_add_dct_flipadst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][FLIPADST_FLIPADST] = \
	inv_txfm_add_flipadst_flipadst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][H_DCT] = \
	inv_txfm_add_dct_identity_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][V_DCT] = \
	inv_txfm_add_identity_dct_##w##x##h##_c

	#define assign_itx_all_fn84(w, h, pfx) \
	assign_itx_all_fn16(w, h, pfx); \
	c->itxfm_add[pfx##TX_##w##X##h][H_FLIPADST] = \
	inv_txfm_add_flipadst_identity_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][V_FLIPADST] = \
	inv_txfm_add_identity_flipadst_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][H_ADST] = \
	inv_txfm_add_adst_identity_##w##x##h##_c; \
	c->itxfm_add[pfx##TX_##w##X##h][V_ADST] = \
	inv_txfm_add_identity_adst_##w##x##h##_c; \

	c->itxfm_add[TX_4X4][WHT_WHT] = inv_txfm_add_wht_wht_4x4_c;
	assign_itx_all_fn84( 4, 4, );
	assign_itx_all_fn84( 4, 8, R);
	assign_itx_all_fn84( 4, 16, R);
	assign_itx_all_fn84( 8, 4, R);
	assign_itx_all_fn84( 8, 8, );
	assign_itx_all_fn84( 8, 16, R);
	assign_itx_all_fn32( 8, 32, R);
	assign_itx_all_fn84(16, 4, R);
	assign_itx_all_fn84(16, 8, R);
	assign_itx_all_fn16(16, 16, );
	assign_itx_all_fn32(16, 32, R);
	assign_itx_all_fn64(16, 64, R);
	assign_itx_all_fn32(32, 8, R);
	assign_itx_all_fn32(32, 16, R);
	assign_itx_all_fn32(32, 32, );
	assign_itx_all_fn64(32, 64, R);
	assign_itx_all_fn64(64, 16, R);
	assign_itx_all_fn64(64, 32, R);
	assign_itx_all_fn64(64, 64, );

	#if HAVE_ASM
	#if ARCH_AARCH64 \|\| ARCH_ARM
	itx_dsp_init_arm(c, bpc);
	#endif
	#if ARCH_X86
	itx_dsp_init_x86(c, bpc);
	#endif
	#endif
	}