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testcard gray pattern: added option for color step

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This commit is contained in:
Martin Pulec
2022-11-28 11:27:09 +01:00
parent 16ba5aeec0
commit c97bf2bcea
1 changed files with 14 additions and 4 deletions
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18
src/utils/video_pattern_generator.cpp
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@@ -86,6 +86,7 @@ using std::for_each;
using std::make_unique;
using std::max;
using std::min;
using std::stoi;
using std::string;
using std::swap;
using std::unique_ptr;
@@ -522,9 +523,16 @@ struct still_image_video_pattern_generator : public video_pattern_generator {
};
struct gray_video_pattern_generator : public video_pattern_generator {
gray_video_pattern_generator(int w, int h, codec_t c)
gray_video_pattern_generator(int w, int h, codec_t c, const char *opts)
: width(w), height(h), color_spec(c)
{
if (opts) {
if (strcmp(opts, "help") == 0) {
col() << "Usage:\n\t" SBOLD("gray[:step]") << " - interframe color increment (default " << DEFAULT_STEP << ")\n";
throw 1;
}
step = stoi(opts);
}
int col = 0;
while (col < 0xFF) {
int pixels = get_pf_block_pixels(color_spec);
@@ -555,7 +563,8 @@ struct gray_video_pattern_generator : public video_pattern_generator {
return out;
}
private:
constexpr static int step = 16;
constexpr static int DEFAULT_STEP = 16;
int step = DEFAULT_STEP;
int width;
int height;
codec_t color_spec;
@@ -582,8 +591,9 @@ video_pattern_generator_create(std::string const & config, int width, int height
}
assert(width > 0 && height > 0);
try {
if (config == "gray") {
return new gray_video_pattern_generator{width, height, color_spec};
if (config.substr(0, 4) == "gray") {
const char *opts = strchr(config.c_str(), '=') ? strchr(config.c_str(), '=') + 1 : nullptr;
return new gray_video_pattern_generator{width, height, color_spec, opts};
}
return new still_image_video_pattern_generator{config, width, height, color_spec, offset};
} catch (...) {