ref: a3856f049d188b971c0956b1b5cef350212f03a3
dir: /tests/checkasm/ipred.c/
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, 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 "tests/checkasm/checkasm.h"
#include "src/ipred.h"
#include "src/levels.h"
#ifndef __plan9__
#include <stdio.h>
#endif
static const char *const intra_pred_mode_names[N_IMPL_INTRA_PRED_MODES] = {
[DC_PRED] = "dc",
[DC_128_PRED] = "dc_128",
[TOP_DC_PRED] = "dc_top",
[LEFT_DC_PRED] = "dc_left",
[HOR_PRED] = "h",
[VERT_PRED] = "v",
[PAETH_PRED] = "paeth",
[SMOOTH_PRED] = "smooth",
[SMOOTH_V_PRED] = "smooth_v",
[SMOOTH_H_PRED] = "smooth_h",
[Z1_PRED] = "z1",
[Z2_PRED] = "z2",
[Z3_PRED] = "z3",
[FILTER_PRED] = "filter"
};
static const char *const cfl_ac_names[3] = { "420", "422", "444" };
static const char *const cfl_pred_mode_names[DC_128_PRED + 1] = {
[DC_PRED] = "cfl",
[DC_128_PRED] = "cfl_128",
[TOP_DC_PRED] = "cfl_top",
[LEFT_DC_PRED] = "cfl_left",
};
static const uint8_t z_angles[27] = {
3, 6, 9,
14, 17, 20, 23, 26, 29, 32,
36, 39, 42, 45, 48, 51, 54,
58, 61, 64, 67, 70, 73, 76,
81, 84, 87
};
static void check_intra_pred(Dav1dIntraPredDSPContext *const c) {
ALIGN_STK_64(pixel, c_dst, 64 * 64,);
ALIGN_STK_64(pixel, a_dst, 64 * 64,);
ALIGN_STK_64(pixel, topleft_buf, 257,);
pixel *const topleft = topleft_buf + 128;
declare_func(void, pixel *dst, ptrdiff_t stride, const pixel *topleft,
int width, int height, int angle, int max_width, int max_height
HIGHBD_DECL_SUFFIX);
for (int mode = 0; mode < N_IMPL_INTRA_PRED_MODES; mode++) {
int bpc_min = BITDEPTH, bpc_max = BITDEPTH;
if (mode == FILTER_PRED && BITDEPTH == 16) {
bpc_min = 10;
bpc_max = 12;
}
for (int bpc = bpc_min; bpc <= bpc_max; bpc += 2)
for (int w = 4; w <= (mode == FILTER_PRED ? 32 : 64); w <<= 1)
if (check_func(c->intra_pred[mode], "intra_pred_%s_w%d_%dbpc",
intra_pred_mode_names[mode], w, bpc))
{
for (int h = imax(w / 4, 4); h <= imin(w * 4,
(mode == FILTER_PRED ? 32 : 64)); h <<= 1)
{
const ptrdiff_t stride = w * sizeof(pixel);
int a = 0, maxw = 0, maxh = 0;
if (mode >= Z1_PRED && mode <= Z3_PRED) { /* angle */
a = (90 * (mode - Z1_PRED) + z_angles[rnd() % 27]) |
(rnd() & 0x600);
if (mode == Z2_PRED) {
maxw = rnd(), maxh = rnd();
maxw = 1 + (maxw & (maxw & 4096 ? 4095 : w - 1));
maxh = 1 + (maxh & (maxh & 4096 ? 4095 : h - 1));
}
} else if (mode == FILTER_PRED) /* filter_idx */
a = (rnd() % 5) | (rnd() & ~511);
int bitdepth_max;
if (bpc == 16)
bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
else
bitdepth_max = (1 << bpc) - 1;
for (int i = -h * 2; i <= w * 2; i++)
topleft[i] = rnd() & bitdepth_max;
call_ref(c_dst, stride, topleft, w, h, a, maxw, maxh
HIGHBD_TAIL_SUFFIX);
call_new(a_dst, stride, topleft, w, h, a, maxw, maxh
HIGHBD_TAIL_SUFFIX);
if (checkasm_check_pixel(c_dst, stride, a_dst, stride,
w, h, "dst"))
{
if (mode == Z1_PRED || mode == Z3_PRED)
fprintf(stderr, "angle = %d (0x%03x)\n",
a & 0x1ff, a & 0x600);
else if (mode == Z2_PRED)
fprintf(stderr, "angle = %d (0x%03x), "
"max_width = %d, max_height = %d\n",
a & 0x1ff, a & 0x600, maxw, maxh);
else if (mode == FILTER_PRED)
fprintf(stderr, "filter_idx = %d\n", a & 0x1ff);
}
bench_new(a_dst, stride, topleft, w, h, a, 128, 128
HIGHBD_TAIL_SUFFIX);
}
}
}
report("intra_pred");
}
static void check_cfl_ac(Dav1dIntraPredDSPContext *const c) {
ALIGN_STK_64(int16_t, c_dst, 32 * 32,);
ALIGN_STK_64(int16_t, a_dst, 32 * 32,);
ALIGN_STK_64(pixel, luma, 32 * 32,);
declare_func(void, int16_t *ac, const pixel *y, ptrdiff_t stride,
int w_pad, int h_pad, int cw, int ch);
for (int layout = 1; layout <= DAV1D_PIXEL_LAYOUT_I444; layout++) {
const int ss_ver = layout == DAV1D_PIXEL_LAYOUT_I420;
const int ss_hor = layout != DAV1D_PIXEL_LAYOUT_I444;
const int h_step = 2 >> ss_hor, v_step = 2 >> ss_ver;
for (int w = 4; w <= (32 >> ss_hor); w <<= 1)
if (check_func(c->cfl_ac[layout - 1], "cfl_ac_%s_w%d_%dbpc",
cfl_ac_names[layout - 1], w, BITDEPTH))
{
for (int h = imax(w / 4, 4);
h <= imin(w * 4, (32 >> ss_ver)); h <<= 1)
{
const ptrdiff_t stride = 32 * sizeof(pixel);
for (int w_pad = imax((w >> 2) - h_step, 0);
w_pad >= 0; w_pad -= h_step)
{
for (int h_pad = imax((h >> 2) - v_step, 0);
h_pad >= 0; h_pad -= v_step)
{
#if BITDEPTH == 16
const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
#else
const int bitdepth_max = 0xff;
#endif
for (int y = 0; y < (h << ss_ver); y++)
for (int x = 0; x < (w << ss_hor); x++)
luma[y * 32 + x] = rnd() & bitdepth_max;
call_ref(c_dst, luma, stride, w_pad, h_pad, w, h);
call_new(a_dst, luma, stride, w_pad, h_pad, w, h);
checkasm_check(int16_t, c_dst, w * sizeof(*c_dst),
a_dst, w * sizeof(*a_dst),
w, h, "dst");
}
}
bench_new(a_dst, luma, stride, 0, 0, w, h);
}
}
}
report("cfl_ac");
}
static void check_cfl_pred(Dav1dIntraPredDSPContext *const c) {
ALIGN_STK_64(pixel, c_dst, 32 * 32,);
ALIGN_STK_64(pixel, a_dst, 32 * 32,);
ALIGN_STK_64(int16_t, ac, 32 * 32,);
ALIGN_STK_64(pixel, topleft_buf, 257,);
pixel *const topleft = topleft_buf + 128;
declare_func(void, pixel *dst, ptrdiff_t stride, const pixel *topleft,
int width, int height, const int16_t *ac, int alpha
HIGHBD_DECL_SUFFIX);
for (int mode = 0; mode <= DC_128_PRED; mode += 1 + 2 * !mode)
for (int w = 4; w <= 32; w <<= 1)
if (check_func(c->cfl_pred[mode], "cfl_pred_%s_w%d_%dbpc",
cfl_pred_mode_names[mode], w, BITDEPTH))
{
for (int h = imax(w / 4, 4); h <= imin(w * 4, 32); h <<= 1)
{
#if BITDEPTH == 16
const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
#else
const int bitdepth_max = 0xff;
#endif
const ptrdiff_t stride = w * sizeof(pixel);
int alpha = ((rnd() & 15) + 1) * (1 - (rnd() & 2));
for (int i = -h * 2; i <= w * 2; i++)
topleft[i] = rnd() & bitdepth_max;
int luma_avg = w * h >> 1;
for (int i = 0; i < w * h; i++)
luma_avg += ac[i] = rnd() & (bitdepth_max << 3);
luma_avg /= w * h;
for (int i = 0; i < w * h; i++)
ac[i] -= luma_avg;
call_ref(c_dst, stride, topleft, w, h, ac, alpha
HIGHBD_TAIL_SUFFIX);
call_new(a_dst, stride, topleft, w, h, ac, alpha
HIGHBD_TAIL_SUFFIX);
checkasm_check_pixel(c_dst, stride, a_dst, stride,
w, h, "dst");
bench_new(a_dst, stride, topleft, w, h, ac, alpha
HIGHBD_TAIL_SUFFIX);
}
}
report("cfl_pred");
}
static void check_pal_pred(Dav1dIntraPredDSPContext *const c) {
ALIGN_STK_64(pixel, c_dst, 64 * 64,);
ALIGN_STK_64(pixel, a_dst, 64 * 64,);
ALIGN_STK_64(uint8_t, idx, 64 * 64,);
ALIGN_STK_16(uint16_t, pal, 8,);
declare_func(void, pixel *dst, ptrdiff_t stride, const uint16_t *pal,
const uint8_t *idx, int w, int h);
for (int w = 4; w <= 64; w <<= 1)
if (check_func(c->pal_pred, "pal_pred_w%d_%dbpc", w, BITDEPTH))
for (int h = imax(w / 4, 4); h <= imin(w * 4, 64); h <<= 1)
{
#if BITDEPTH == 16
const int bitdepth_max = rnd() & 1 ? 0x3ff : 0xfff;
#else
const int bitdepth_max = 0xff;
#endif
const ptrdiff_t stride = w * sizeof(pixel);
for (int i = 0; i < 8; i++)
pal[i] = rnd() & bitdepth_max;
for (int i = 0; i < w * h; i++)
idx[i] = rnd() & 7;
call_ref(c_dst, stride, pal, idx, w, h);
call_new(a_dst, stride, pal, idx, w, h);
checkasm_check_pixel(c_dst, stride, a_dst, stride, w, h, "dst");
bench_new(a_dst, stride, pal, idx, w, h);
}
report("pal_pred");
}
void bitfn(checkasm_check_ipred)(void) {
Dav1dIntraPredDSPContext c;
bitfn(dav1d_intra_pred_dsp_init)(&c);
check_intra_pred(&c);
check_cfl_ac(&c);
check_cfl_pred(&c);
check_pal_pred(&c);
}