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Image pattern generator: added EBU bars

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This commit is contained in:
Martin Pulec
2021-10-13 14:06:37 +02:00
parent 068f126a81
commit 2b47dd4acd
1 changed files with 41 additions and 1 deletions
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42
src/utils/video_pattern_generator.cpp
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@@ -58,6 +58,7 @@
#include "config_win32.h"
#include <algorithm>
#include <array>
#include <iostream>
#include <random>
#include <utility>
@@ -75,6 +76,7 @@ constexpr const char *MOD_NAME = "[vid. patt. generator] ";
constexpr int rg48_bpp = 6;
using namespace std::string_literals;
using std::array;
using std::copy;
using std::cout;
using std::default_random_engine;
@@ -201,6 +203,41 @@ class image_pattern_bars : public image_pattern {
}
};
class image_pattern_ebu_bars : public image_pattern {
static constexpr array ebu_bars{
uint32_t{0xFFFFFFFFU},
uint32_t{0xFF00FFFFU},
uint32_t{0xFFFFFF00U},
uint32_t{0xFF00FF00U},
uint32_t{0xFFFF00FFU},
uint32_t{0xFF0000FFU},
uint32_t{0xFFFF0000U},
uint32_t{0xFF000000U},
};
int fill(int width, int height, unsigned char *data) override {
int col_num = 0;
const int rect_size = (width + ebu_bars.size() - 1) / ebu_bars.size();
struct testcard_rect r{};
struct testcard_pixmap pixmap{};
pixmap.w = width;
pixmap.h = height;
pixmap.data = data;
for (int j = 0; j < height; j += rect_size) {
for (int i = 0; i < width; i += rect_size) {
r.x = i;
r.y = j;
r.w = rect_size;
r.h = min<int>(rect_size, height - r.y);
printf("Fill rect at %d,%d\n", r.x, r.y);
testcard_fillRect(&pixmap, &r,
ebu_bars.at(col_num));
col_num = (col_num + 1) % ebu_bars.size();
}
}
return 8;
}
};
class image_pattern_blank : public image_pattern {
public:
explicit image_pattern_blank(uint32_t c = 0xFF000000U) : color(c) {}
@@ -298,7 +335,7 @@ class image_pattern_raw : public image_pattern {
unique_ptr<image_pattern> image_pattern::create(string const &config) {
if (config == "help") {
cout << "Pattern to use, one of: " << BOLD("bars, blank, gradient[=0x<AABBGGRR>], gradient2, noise, 0x<AABBGGRR>, raw=0xXX[YYZZ..]\n");
cout << "Pattern to use, one of: " << BOLD("bars, blank, ebu_bars, gradient[=0x<AABBGGRR>], gradient2, noise, 0x<AABBGGRR>, raw=0xXX[YYZZ..]\n");
cout << "\t\t- patterns 'gradient2' and 'noise' generate full bit-depth patterns for RG48 and R12L\n";
cout << "\t\t- pattern 'raw' generates repeating sequence of given bytes without any color conversion\n";
return {};
@@ -309,6 +346,9 @@ unique_ptr<image_pattern> image_pattern::create(string const &config) {
if (config == "blank") {
return make_unique<image_pattern_blank>();
}
if (config == "ebu_bars") {
return make_unique<image_pattern_ebu_bars>();
}
if (config.substr(0, "gradient"s.length()) == "gradient") {
uint32_t color = image_pattern_gradient::red;
if (config.substr(0, "gradient="s.length()) == "gradient=") {