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testcard/pattern=blank: print inline help

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This commit is contained in:
Martin Pulec
2024-09-02 11:33:41 +02:00
parent 107e3e30da
commit 0df55a477f
1 changed files with 20 additions and 2 deletions
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22
src/utils/video_pattern_generator.cpp
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@@ -71,10 +71,12 @@
#include "video_capture/testcard_common.h"
#include "video_pattern_generator.h"
constexpr size_t headroom = 128; // headroom for cases when dst color_spec has wider block size
#define BLANK_USAGE "blank[=0x<AABBGGRR>]"
#define MOD_NAME "[vid. patt. generator] "
constexpr size_t headroom = 128; // headroom for cases when dst color_spec has wider block size
constexpr int rg48_bpp = 6;
using namespace std::string_literals;
using std::copy;
using std::cout;
@@ -303,6 +305,17 @@ class image_pattern_smpte_bars : public image_pattern_ebu_smpte_bars<0xBFU, 7> {
class image_pattern_blank : public image_pattern {
public:
explicit image_pattern_blank(string const &init) {
if (init == "help"s) {
color_printf("Testcard " TBOLD("blank") " usage:\n");
color_printf("\t" TRED(TBOLD(
"-t testcard:patt=" BLANK_USAGE)) "\n");
color_printf(
"\nLeading zeros can be omitted, eg. "
"`0xFF` produces a red pattern.\n");
color_printf(
"Defaults to 0xFF000000.\n");
throw 1;
}
if (!init.empty()) {
color = stoll(init, nullptr, 0);
}
@@ -742,7 +755,12 @@ video_pattern_generator_t
video_pattern_generator_create(const char *config, int width, int height, codec_t color_spec, int offset)
{
if (string(config) == "help") {
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>], diagonal*\n");
col() << "Pattern to use, one of: "
<< SBOLD(
"bars, " BLANK_USAGE
", ebu_bars, gradient[=0x<AABBGGRR>], gradient2*, "
"gray, interlaced, noise, raw=0xXX[YYZZ..], "
"smpte_bars, uv_plane[=<y_lvl>], diagonal*\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) {