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testcard: added interlaced pattern

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This commit is contained in:
Martin Pulec
2023-04-21 15:10:35 +02:00
parent 399e2af275
commit 170c50f7ab
1 changed files with 57 additions and 1 deletions
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58
src/utils/video_pattern_generator.cpp
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@@ -631,11 +631,64 @@ private:
vector<vector<unsigned char>> data;
};
struct interlaced_video_pattern_generator : public video_pattern_generator {
interlaced_video_pattern_generator(int w, int h, codec_t color_spec)
: width(w), height(h), linesize(vc_get_linesize(width, color_spec))
{
size_t rgb_linesize = vc_get_linesize(width, RGB);
vector<char> rgb(3 * h * rgb_linesize + 4 * (width / step) * rgb_linesize);
memset(rgb.data(), 255, h * rgb_linesize);
char *ptr = rgb.data() + h * rgb_linesize;
auto fill = [&](int col1, int col2) {
for (int i = 0; i < width; i += step) {
size_t fill_len = rgb_linesize - i * 3;
memset(ptr, col1, fill_len);
memset(ptr + fill_len, col2, rgb_linesize - fill_len);
ptr += rgb_linesize;
fill_len = MAX(0, (int) rgb_linesize - (i + 2 * step) * 3);
memset(ptr, col1, fill_len);
memset(ptr + fill_len, col2, rgb_linesize - fill_len);
ptr += rgb_linesize;
}
};
fill(255, 0);
memset(ptr, 0, h * rgb_linesize);
ptr += h * rgb_linesize;
fill(0, 255);
memset(ptr, 255, h * rgb_linesize);
vector<char> rgba(rgb.size() / 3 * 4);
for (unsigned i = 0; i < rgb.size(); i += 3) {
rgba[i / 3 * 4] = rgb[i];
rgba[i / 3 * 4 + 1] = rgb[i + 1];
rgba[i / 3 * 4 + 2] = rgb[i + 2];
rgba[i / 3 * 4 + 3] = 0xff;
}
data.resize(3 * h * linesize + 4 * linesize * (w / step));
testcard_convert_buffer(RGBA, color_spec, (unsigned char *) data.data(), (unsigned char *) rgba.data(), width, 3 * height + 4 * (width / step));
}
char *get_next() override {
auto *out = (char *) data.data() + cur_idx * linesize;
cur_idx += 8;
if (cur_idx >= 2 * height + 4 * width / step) {
cur_idx = 0;
}
return out;
}
private:
constexpr static int step = 3;
int width;
int height;
size_t linesize;
int cur_idx = 0;
vector<char> data;
};
video_pattern_generator_t
video_pattern_generator_create(std::string const & config, int width, int height, codec_t color_spec, int offset)
{
if (config == "help") {
col() << "Pattern to use, one of: " << SBOLD("bars, blank[=0x<AABBGGRR>], ebu_bars, gradient[=0x<AABBGGRR>], gradient2*, gray, noise, raw=0xXX[YYZZ..], smpte_bars, uv_plane[=<y_lvl>]\n");
col() << "Pattern to use, one of: " << SBOLD("bars, blank[=0x<AABBGGRR>], ebu_bars, gradient[=0x<AABBGGRR>], gradient2*, gray, interlaced, noise, raw=0xXX[YYZZ..], smpte_bars, uv_plane[=<y_lvl>]\n");
col() << "\t\t- patterns " SBOLD("'gradient'") ", " SBOLD("'gradient2'") ", " SBOLD("'noise'") " and " SBOLD("'uv_plane'") " generate higher bit-depth patterns with";
for (codec_t c = VIDEO_CODEC_FIRST; c != VIDEO_CODEC_COUNT; c = static_cast<codec_t>(static_cast<int>(c) + 1)) {
if (get_decoder_from_to(RG48, c) != NULL && get_bits_per_component(c) > 8) {
@@ -658,6 +711,9 @@ video_pattern_generator_create(std::string const & config, int width, int height
if (pattern == "gray" || pattern == "grey") {
return new gray_video_pattern_generator{width, height, color_spec, params.c_str()};
}
if (pattern == "interlaced") {
return new interlaced_video_pattern_generator{width, height, color_spec};
}
return new still_image_video_pattern_generator{pattern, params, width, height, color_spec, offset};
} catch (exception const &e) {
LOG(LOG_LEVEL_ERROR) << MOD_NAME << e.what() << "\n";