mirror of
https://github.com/Lime3DS/Lime3DS
synced 2024-12-28 01:52:29 -06:00
228 lines
14 KiB
C++
228 lines
14 KiB
C++
// Copyright 2018 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <algorithm>
|
|
#include <array>
|
|
#include <cstring>
|
|
#include <QImage>
|
|
#include "citra_qt/camera/camera_util.h"
|
|
|
|
namespace CameraUtil {
|
|
|
|
// The following are data tables for RGB -> YUV conversions.
|
|
namespace YuvTable {
|
|
|
|
constexpr std::array<int, 256> Y_R = {
|
|
53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 56, 57, 57, 57, 58, 58, 58,
|
|
59, 59, 59, 59, 60, 60, 60, 61, 61, 61, 62, 62, 62, 62, 63, 63, 63, 64, 64,
|
|
64, 65, 65, 65, 65, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 69, 69, 69, 70,
|
|
70, 70, 70, 71, 71, 71, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 75, 75, 75,
|
|
76, 76, 76, 76, 77, 77, 77, 78, 78, 78, 79, 79, 79, 79, 80, 80, 80, 81, 81,
|
|
81, 82, 82, 82, 82, 83, 83, 83, 84, 84, 84, 85, 85, 85, 85, 86, 86, 86, 87,
|
|
87, 87, 87, 88, 88, 88, 89, 89, 89, 90, 90, 90, 90, 91, 91, 91, 92, 92, 92,
|
|
93, 93, 93, 93, 94, 94, 94, 95, 95, 95, 96, 96, 96, 96, 97, 97, 97, 98, 98,
|
|
98, 99, 99, 99, 99, 100, 100, 100, 101, 101, 101, 102, 102, 102, 102, 103, 103, 103, 104,
|
|
104, 104, 105, 105, 105, 105, 106, 106, 106, 107, 107, 107, 108, 108, 108, 108, 109, 109, 109,
|
|
110, 110, 110, 110, 111, 111, 111, 112, 112, 112, 113, 113, 113, 113, 114, 114, 114, 115, 115,
|
|
115, 116, 116, 116, 116, 117, 117, 117, 118, 118, 118, 119, 119, 119, 119, 120, 120, 120, 121,
|
|
121, 121, 122, 122, 122, 122, 123, 123, 123, 124, 124, 124, 125, 125, 125, 125, 126, 126, 126,
|
|
127, 127, 127, 128, 128, 128, 128, 129, 129,
|
|
};
|
|
|
|
constexpr std::array<int, 256> Y_G = {
|
|
-79, -79, -78, -78, -77, -77, -76, -75, -75, -74, -74, -73, -72, -72, -71, -71, -70, -70, -69,
|
|
-68, -68, -67, -67, -66, -65, -65, -64, -64, -63, -62, -62, -61, -61, -60, -60, -59, -58, -58,
|
|
-57, -57, -56, -55, -55, -54, -54, -53, -52, -52, -51, -51, -50, -50, -49, -48, -48, -47, -47,
|
|
-46, -45, -45, -44, -44, -43, -42, -42, -41, -41, -40, -40, -39, -38, -38, -37, -37, -36, -35,
|
|
-35, -34, -34, -33, -33, -32, -31, -31, -30, -30, -29, -28, -28, -27, -27, -26, -25, -25, -24,
|
|
-24, -23, -23, -22, -21, -21, -20, -20, -19, -18, -18, -17, -17, -16, -15, -15, -14, -14, -13,
|
|
-13, -12, -11, -11, -10, -10, -9, -8, -8, -7, -7, -6, -5, -5, -4, -4, -3, -3, -2,
|
|
-1, -1, 0, 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 5, 6, 6, 7, 8, 8,
|
|
9, 9, 10, 11, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 17, 18, 18, 19, 19,
|
|
20, 21, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 31,
|
|
31, 32, 32, 33, 33, 34, 35, 35, 36, 36, 37, 38, 38, 39, 39, 40, 41, 41, 42,
|
|
42, 43, 43, 44, 45, 45, 46, 46, 47, 48, 48, 49, 49, 50, 50, 51, 52, 52, 53,
|
|
53, 54, 55, 55, 56, 56, 57, 58, 58, 59, 59, 60, 60, 61, 62, 62, 63, 63, 64,
|
|
65, 65, 66, 66, 67, 68, 68, 69, 69,
|
|
};
|
|
|
|
constexpr std::array<int, 256> Y_B = {
|
|
25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28,
|
|
28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31,
|
|
31, 31, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33,
|
|
34, 34, 34, 34, 34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 35, 35, 35, 36, 36, 36, 36, 36, 36,
|
|
36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39,
|
|
39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, 41, 41, 42,
|
|
42, 42, 42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 44, 44, 44, 44, 44, 44, 44, 44,
|
|
44, 45, 45, 45, 45, 45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 46, 47, 47, 47, 47, 47, 47,
|
|
47, 47, 47, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 50, 50, 50,
|
|
50, 50, 50, 50, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 52, 52, 52, 52, 53,
|
|
53, 53, 53, 53, 53, 53, 53, 53, 54, 54, 54, 54, 54, 54, 54, 54,
|
|
};
|
|
|
|
static constexpr int Y(int r, int g, int b) {
|
|
return Y_R[r] + Y_G[g] + Y_B[b];
|
|
}
|
|
|
|
constexpr std::array<int, 256> U_R = {
|
|
30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 34,
|
|
34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 38,
|
|
38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41, 42,
|
|
42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 43, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 46, 46,
|
|
46, 46, 46, 46, 47, 47, 47, 47, 47, 47, 48, 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, 50, 50,
|
|
50, 50, 50, 50, 51, 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 54, 54,
|
|
54, 54, 54, 54, 55, 55, 55, 55, 55, 55, 56, 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 57, 58, 58,
|
|
58, 58, 58, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 61, 61, 61, 61, 61, 61, 62, 62, 62,
|
|
62, 62, 62, 63, 63, 63, 63, 63, 63, 64, 64, 64, 64, 64, 64, 65, 65, 65, 65, 65, 65, 66, 66, 66,
|
|
66, 66, 66, 67, 67, 67, 67, 67, 67, 68, 68, 68, 68, 68, 68, 69, 69, 69, 69, 69, 69, 70, 70, 70,
|
|
70, 70, 70, 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 73, 73,
|
|
};
|
|
|
|
constexpr std::array<int, 256> U_G = {
|
|
-45, -44, -44, -44, -43, -43, -43, -42, -42, -42, -41, -41, -41, -40, -40, -40, -39, -39, -39,
|
|
-38, -38, -38, -37, -37, -37, -36, -36, -36, -35, -35, -35, -34, -34, -34, -33, -33, -33, -32,
|
|
-32, -32, -31, -31, -31, -30, -30, -30, -29, -29, -29, -28, -28, -28, -27, -27, -27, -26, -26,
|
|
-26, -25, -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -21, -21, -21, -20, -20, -20,
|
|
-19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14, -14,
|
|
-13, -13, -13, -12, -12, -12, -11, -11, -11, -10, -10, -10, -9, -9, -9, -8, -8, -8, -7,
|
|
-7, -7, -6, -6, -6, -5, -5, -5, -4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1,
|
|
-1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4,
|
|
5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11,
|
|
11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17,
|
|
17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23,
|
|
24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30,
|
|
30, 30, 31, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36,
|
|
36, 37, 37, 37, 38, 38, 38, 39, 39,
|
|
};
|
|
|
|
constexpr std::array<int, 256> U_B = {
|
|
113, 113, 114, 114, 115, 115, 116, 116, 117, 117, 118, 118, 119, 119, 120, 120, 121, 121, 122,
|
|
122, 123, 123, 124, 124, 125, 125, 126, 126, 127, 127, 128, 128, 129, 129, 130, 130, 131, 131,
|
|
132, 132, 133, 133, 134, 134, 135, 135, 136, 136, 137, 137, 138, 138, 139, 139, 140, 140, 141,
|
|
141, 142, 142, 143, 143, 144, 144, 145, 145, 146, 146, 147, 147, 148, 148, 149, 149, 150, 150,
|
|
151, 151, 152, 152, 153, 153, 154, 154, 155, 155, 156, 156, 157, 157, 158, 158, 159, 159, 160,
|
|
160, 161, 161, 162, 162, 163, 163, 164, 164, 165, 165, 166, 166, 167, 167, 168, 168, 169, 169,
|
|
170, 170, 171, 171, 172, 172, 173, 173, 174, 174, 175, 175, 176, 176, 177, 177, 178, 178, 179,
|
|
179, 180, 180, 181, 181, 182, 182, 183, 183, 184, 184, 185, 185, 186, 186, 187, 187, 188, 188,
|
|
189, 189, 190, 190, 191, 191, 192, 192, 193, 193, 194, 194, 195, 195, 196, 196, 197, 197, 198,
|
|
198, 199, 199, 200, 200, 201, 201, 202, 202, 203, 203, 204, 204, 205, 205, 206, 206, 207, 207,
|
|
208, 208, 209, 209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215, 215, 216, 216, 217,
|
|
217, 218, 218, 219, 219, 220, 220, 221, 221, 222, 222, 223, 223, 224, 224, 225, 225, 226, 226,
|
|
227, 227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233, 233, 234, 234, 235, 235, 236,
|
|
236, 237, 237, 238, 238, 239, 239, 240, 240,
|
|
};
|
|
|
|
static constexpr int U(int r, int g, int b) {
|
|
return -U_R[r] - U_G[g] + U_B[b];
|
|
}
|
|
|
|
constexpr std::array<int, 256> V_R = {
|
|
89, 90, 90, 91, 91, 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 97, 98, 98,
|
|
99, 99, 100, 100, 101, 101, 102, 102, 103, 103, 104, 104, 105, 105, 106, 106, 107, 107, 108,
|
|
108, 109, 109, 110, 110, 111, 111, 112, 112, 113, 113, 114, 114, 115, 115, 116, 116, 117, 117,
|
|
118, 118, 119, 119, 120, 120, 121, 121, 122, 122, 123, 123, 124, 124, 125, 125, 126, 126, 127,
|
|
127, 128, 128, 129, 129, 130, 130, 131, 131, 132, 132, 133, 133, 134, 134, 135, 135, 136, 136,
|
|
137, 137, 138, 138, 139, 139, 140, 140, 141, 141, 142, 142, 143, 143, 144, 144, 145, 145, 146,
|
|
146, 147, 147, 148, 148, 149, 149, 150, 150, 151, 151, 152, 152, 153, 153, 154, 154, 155, 155,
|
|
156, 156, 157, 157, 158, 158, 159, 159, 160, 160, 161, 161, 162, 162, 163, 163, 164, 164, 165,
|
|
165, 166, 166, 167, 167, 168, 168, 169, 169, 170, 170, 171, 171, 172, 172, 173, 173, 174, 174,
|
|
175, 175, 176, 176, 177, 177, 178, 178, 179, 179, 180, 180, 181, 181, 182, 182, 183, 183, 184,
|
|
184, 185, 185, 186, 186, 187, 187, 188, 188, 189, 189, 190, 190, 191, 191, 192, 192, 193, 193,
|
|
194, 194, 195, 195, 196, 196, 197, 197, 198, 198, 199, 199, 200, 200, 201, 201, 202, 202, 203,
|
|
203, 204, 205, 205, 206, 206, 207, 207, 208, 208, 209, 209, 210, 210, 211, 211, 212, 212, 213,
|
|
213, 214, 214, 215, 215, 216, 216, 217, 217,
|
|
};
|
|
|
|
constexpr std::array<int, 256> V_G = {
|
|
-57, -56, -56, -55, -55, -55, -54, -54, -53, -53, -52, -52, -52, -51, -51, -50, -50, -50, -49,
|
|
-49, -48, -48, -47, -47, -47, -46, -46, -45, -45, -45, -44, -44, -43, -43, -42, -42, -42, -41,
|
|
-41, -40, -40, -39, -39, -39, -38, -38, -37, -37, -37, -36, -36, -35, -35, -34, -34, -34, -33,
|
|
-33, -32, -32, -31, -31, -31, -30, -30, -29, -29, -29, -28, -28, -27, -27, -26, -26, -26, -25,
|
|
-25, -24, -24, -24, -23, -23, -22, -22, -21, -21, -21, -20, -20, -19, -19, -18, -18, -18, -17,
|
|
-17, -16, -16, -16, -15, -15, -14, -14, -13, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9,
|
|
-9, -8, -8, -8, -7, -7, -6, -6, -5, -5, -5, -4, -4, -3, -3, -3, -2, -2, -1,
|
|
-1, 0, 0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6,
|
|
6, 7, 7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14,
|
|
14, 15, 15, 15, 16, 16, 17, 17, 17, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22,
|
|
22, 23, 23, 23, 24, 24, 25, 25, 25, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30,
|
|
30, 31, 31, 31, 32, 32, 33, 33, 33, 34, 34, 35, 35, 36, 36, 36, 37, 37, 38,
|
|
38, 38, 39, 39, 40, 40, 41, 41, 41, 42, 42, 43, 43, 44, 44, 44, 45, 45, 46,
|
|
46, 46, 47, 47, 48, 48, 49, 49, 49,
|
|
};
|
|
|
|
constexpr std::array<int, 256> V_B = {
|
|
18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20,
|
|
20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22,
|
|
22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24,
|
|
24, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26,
|
|
26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28,
|
|
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30,
|
|
30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 32,
|
|
32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 34,
|
|
34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
|
|
36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
|
|
38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39,
|
|
};
|
|
|
|
static constexpr int V(int r, int g, int b) {
|
|
return V_R[r] - V_G[g] - V_B[b];
|
|
}
|
|
} // namespace YuvTable
|
|
|
|
std::vector<u16> Rgb2Yuv(const QImage& source, int width, int height) {
|
|
auto buffer = std::vector<u16>(width * height);
|
|
auto dest = buffer.begin();
|
|
bool write = false;
|
|
int py, pu, pv;
|
|
for (int j = 0; j < height; ++j) {
|
|
for (int i = 0; i < width; ++i) {
|
|
QRgb rgb = source.pixel(i, j);
|
|
int r = qRed(rgb);
|
|
int g = qGreen(rgb);
|
|
int b = qBlue(rgb);
|
|
|
|
// The following transformation is a reverse of the one in Y2R using ITU_Rec601
|
|
int y = YuvTable::Y(r, g, b);
|
|
int u = YuvTable::U(r, g, b);
|
|
int v = YuvTable::V(r, g, b);
|
|
|
|
if (write) {
|
|
pu = (pu + u) / 2;
|
|
pv = (pv + v) / 2;
|
|
*(dest++) =
|
|
static_cast<u16>(std::clamp(py, 0, 0xFF) | (std::clamp(pu, 0, 0xFF) << 8));
|
|
*(dest++) =
|
|
static_cast<u16>(std::clamp(y, 0, 0xFF) | (std::clamp(pv, 0, 0xFF) << 8));
|
|
} else {
|
|
py = y;
|
|
pu = u;
|
|
pv = v;
|
|
}
|
|
write = !write;
|
|
}
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
std::vector<u16> ProcessImage(const QImage& image, int width, int height, bool output_rgb = false,
|
|
bool flip_horizontal = false, bool flip_vertical = false) {
|
|
std::vector<u16> buffer(width * height);
|
|
if (image.isNull()) {
|
|
return buffer;
|
|
}
|
|
QImage scaled =
|
|
image.scaled(width, height, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
|
|
QImage transformed =
|
|
scaled.copy((scaled.width() - width) / 2, (scaled.height() - height) / 2, width, height)
|
|
.mirrored(flip_horizontal, flip_vertical);
|
|
if (output_rgb) {
|
|
QImage converted = transformed.convertToFormat(QImage::Format_RGB16);
|
|
std::memcpy(buffer.data(), converted.bits(), width * height * sizeof(u16));
|
|
} else {
|
|
return CameraUtil::Rgb2Yuv(transformed, width, height);
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
} // namespace CameraUtil
|