ref: 23517a3e4d2aaebcd45f2afd50ad0f6df36c040c
dir: /src/itx_tmpl.c/
/* * 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++); } COLD void bitfn(dav1d_itx_dsp_init)(Dav1dInvTxfmDSPContext *const c) { #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; \ memset(c, 0, sizeof(*c)); /* Zero unused function pointer elements. */ 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 bitfn(dav1d_itx_dsp_init_arm)(c); #endif #if ARCH_X86 bitfn(dav1d_itx_dsp_init_x86)(c); #endif #endif }