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https://github.com/jart/cosmopolitan.git
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d1157d471f
This change gets printvideo working on aarch64. Performance improvements have been introduced for magikarp decimation on aarch64. The last of the old portable x86 intrinsics library is gone, but it still lives in Blink
88 lines
3.6 KiB
C
88 lines
3.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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#include "libc/stdio/rand.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/time.h"
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#include "tool/viz/lib/graphic.h"
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#include "tool/viz/lib/ycbcr.h"
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#if 0
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__v4sf fRGBA[4][3];
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unsigned char iRGB[3][8][8];
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unsigned char uRGB[4][4][3];
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unsigned char kY[16][16] = {
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{16, 43, 16, 43},
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{70, 97, 70, 97},
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{16, 43, 16, 43},
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{70, 97, 70, 97},
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};
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unsigned char kCb[8][8] = {
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{240, 240},
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{240, 240},
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};
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unsigned char kCr[8][8] = {
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{35, 35},
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{35, 35},
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};
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plm_frame_t kFrame = {
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.width = 4,
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.height = 4,
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.y = {.width = 16, .height = 16, .data = (void *)kY},
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.cb = {.width = 8, .height = 8, .data = (void *)kCb},
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.cr = {.width = 8, .height = 8, .data = (void *)kCr},
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};
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TEST(ycbcr2rgb, testMyImpl) {
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memset(iRGB, 0, sizeof(iRGB));
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YCbCr2RGB(1, iRGB, kY, kCb, kCr);
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EXPECT_EQ(0, iRGB[0][0][0]);
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EXPECT_BINEQ(u" "
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u" ",
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iRGB[1]);
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}
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TEST(ycbcr2rgb, testReferenceImpl) {
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memset(uRGB, 0, sizeof(uRGB));
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plm_frame_to_rgb(&kFrame, (void *)uRGB);
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EXPECT_BINEQ(u" :╓", uRGB[0][0]);
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EXPECT_BINEQ(u" U±", uRGB[0][1]);
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EXPECT_BINEQ(u" :╓", uRGB[0][2]);
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EXPECT_BINEQ(u" U±", uRGB[0][3]);
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EXPECT_BINEQ(u" pλ", uRGB[1][0]);
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EXPECT_BINEQ(u" ïλ", uRGB[1][1]);
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EXPECT_BINEQ(u" pλ", uRGB[1][2]);
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EXPECT_BINEQ(u" ïλ", uRGB[1][3]);
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EXPECT_BINEQ(u" :╓", uRGB[2][0]);
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EXPECT_BINEQ(u" U±", uRGB[2][1]);
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EXPECT_BINEQ(u" :╓", uRGB[2][2]);
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EXPECT_BINEQ(u" U±", uRGB[2][3]);
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EXPECT_BINEQ(u" pλ", uRGB[3][0]);
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EXPECT_BINEQ(u" ïλ", uRGB[3][1]);
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EXPECT_BINEQ(u" pλ", uRGB[3][2]);
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EXPECT_BINEQ(u" ïλ", uRGB[3][3]);
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}
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#endif
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