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Justine Tunney 2020-06-15 07:18:57 -07:00
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test/tool/viz/lib/ycbcr2rgb2_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "dsp/mpeg/mpeg.h"
#include "libc/macros.h"
#include "libc/rand/rand.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
#include "tool/viz/lib/graphic.h"
#include "tool/viz/lib/ycbcr.h"
#if 0
__v4sf fRGBA[4][3];
unsigned char iRGB[3][8][8];
unsigned char uRGB[4][4][3];
unsigned char kY[16][16] = {
{16, 43, 16, 43},
{70, 97, 70, 97},
{16, 43, 16, 43},
{70, 97, 70, 97},
};
unsigned char kCb[8][8] = {
{240, 240},
{240, 240},
};
unsigned char kCr[8][8] = {
{35, 35},
{35, 35},
};
plm_frame_t kFrame = {
.width = 4,
.height = 4,
.y = {.width = 16, .height = 16, .data = (void *)kY},
.cb = {.width = 8, .height = 8, .data = (void *)kCb},
.cr = {.width = 8, .height = 8, .data = (void *)kCr},
};
TEST(ycbcr2rgb, testMyImpl) {
memset(iRGB, 0, sizeof(iRGB));
YCbCr2RGB(1, iRGB, kY, kCb, kCr);
EXPECT_EQ(0, iRGB[0][0][0]);
EXPECT_BINEQ(u" "
u" ",
iRGB[1]);
}
TEST(ycbcr2rgb, testReferenceImpl) {
memset(uRGB, 0, sizeof(uRGB));
plm_frame_to_rgb(&kFrame, (void *)uRGB);
EXPECT_BINEQ(u" :╓", uRGB[0][0]);
EXPECT_BINEQ(u" U±", uRGB[0][1]);
EXPECT_BINEQ(u" :╓", uRGB[0][2]);
EXPECT_BINEQ(u" U±", uRGB[0][3]);
EXPECT_BINEQ(u" pλ", uRGB[1][0]);
EXPECT_BINEQ(u" ïλ", uRGB[1][1]);
EXPECT_BINEQ(u" pλ", uRGB[1][2]);
EXPECT_BINEQ(u" ïλ", uRGB[1][3]);
EXPECT_BINEQ(u" :╓", uRGB[2][0]);
EXPECT_BINEQ(u" U±", uRGB[2][1]);
EXPECT_BINEQ(u" :╓", uRGB[2][2]);
EXPECT_BINEQ(u" U±", uRGB[2][3]);
EXPECT_BINEQ(u" pλ", uRGB[3][0]);
EXPECT_BINEQ(u" ïλ", uRGB[3][1]);
EXPECT_BINEQ(u" pλ", uRGB[3][2]);
EXPECT_BINEQ(u" ïλ", uRGB[3][3]);
}
#endif