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TV: Add individual test image for selected color of color bar

This commit is contained in:
Andreas Eversberg 2022-08-18 19:58:16 +02:00
parent 26213d667a
commit a7a1ac7c5e
5 changed files with 73 additions and 8 deletions
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13
src/tv/bas.c
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@ -119,12 +119,19 @@ int bas_generate(bas_t *bas, sample_t *sample)
/* render color convergence test image */
convergence_gen_line(sample, x, bas->samplerate, H_LINE_START, H_LINE_END, middlefield_line, (bas->grid_width) > 1 ? 1.0: 0.5);
break;
case BAS_BLACK:
case BAS_BLUE:
case BAS_RED:
/* render (thin) color convergence test image */
color_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END);
case BAS_MAGENTA:
case BAS_GREEN:
case BAS_CYAN:
case BAS_YELLOW:
case BAS_WHITE:
/* single color test image */
color_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END, bas->type);
break;
case BAS_EBU:
/* render (thin) color convergence test image */
/* EBU test image */
ebu_gen_line(sample, x, bas->samplerate, color_u, color_v, bas->v_polarity, H_LINE_START, H_LINE_END);
break;
case BAS_IMAGE: {

7
src/tv/bas.h
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@ -2,7 +2,14 @@
enum bas_type {
BAS_FUBK,
BAS_CONVERGENCE,
BAS_BLACK,
BAS_BLUE,
BAS_RED,
BAS_MAGENTA,
BAS_GREEN,
BAS_CYAN,
BAS_YELLOW,
BAS_WHITE,
BAS_EBU,
BAS_VCR,
BAS_IMAGE,

34
src/tv/color.c
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@ -21,6 +21,8 @@
#include <stdlib.h>
#include <stdint.h>
#include "../libsample/sample.h"
#include "../libfilter/iir_filter.h"
#include "bas.h"
#include "color.h"
#define RAMP_WIDTH 0.0000002
@ -38,13 +40,41 @@ static struct color_bar {
{0.0, 0.0},
};
int color_gen_line(sample_t *sample, double x, double samplerate, sample_t *color_u, sample_t *color_v, int v_polarity, double line_start, double line_end)
int color_gen_line(sample_t *sample, double x, double samplerate, sample_t *color_u, sample_t *color_v, int v_polarity, double line_start, double line_end, enum bas_type type)
{
int b = 5;
int b;
double step = 1.0 / samplerate;
int i = 0;
double amplitude, Y, U, V, colorphase;
switch (type) {
case BAS_WHITE:
b = 0;
break;
case BAS_YELLOW:
b = 1;
break;
case BAS_CYAN:
b = 2;
break;
case BAS_GREEN:
b = 3;
break;
case BAS_MAGENTA:
b = 4;
break;
case BAS_RED:
b = 5;
break;
case BAS_BLUE:
b = 6;
break;
case BAS_BLACK:
default:
b = 7;
break;
}
/* skip x to line_start */
while (x < line_start && x < line_end) {
i++;

2
src/tv/color.h
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@ -1,3 +1,3 @@
int color_gen_line(sample_t *sample, double x, double samplerate, sample_t *color_u, sample_t *color_v, int v_polarity, double frame_start, double line_end);
int color_gen_line(sample_t *sample, double x, double samplerate, sample_t *color_u, sample_t *color_v, int v_polarity, double frame_start, double line_end, enum bas_type type);

25
src/tv/main.c
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@ -90,8 +90,15 @@ void print_help(const char *arg0)
printf(" tx-fubk Transmit FUBK test image (German PAL image)\n");
printf(" tx-ebu Transmit EBU test image (color bars)\n");
printf(" tx-convergence Transmit convergence grid for color adjustemnt\n");
printf(" tx-red Transmit single color image for DY adjustment\n");
printf(" tx-vcr Transmit VCR calibration pattern\n");
printf(" tx-black Transmit single color image\n");
printf(" tx-blue Transmit single color image\n");
printf(" tx-red Transmit single color image (for DY adjustment)\n");
printf(" tx-magenta Transmit single color image\n");
printf(" tx-green Transmit single color image\n");
printf(" tx-cyan Transmit single color image\n");
printf(" tx-yellow Transmit single color image\n");
printf(" tx-white Transmit single color image\n");
printf(" tx-vcr Transmit Jolly's VCR test pattern\n");
printf(" tx-img [<image>] Transmit natural image or given image file\n");
printf(" Use 4:3 image with 574 lines for best result.\n");
printf("\ngeneral options:\n");
@ -528,8 +535,22 @@ int main(int argc, char *argv[])
tx_test_picture(BAS_EBU);
} else if (!strcmp(argv[argi], "tx-convergence")) {
tx_test_picture(BAS_CONVERGENCE);
} else if (!strcmp(argv[argi], "tx-black")) {
tx_test_picture(BAS_BLACK);
} else if (!strcmp(argv[argi], "tx-blue")) {
tx_test_picture(BAS_BLUE);
} else if (!strcmp(argv[argi], "tx-red")) {
tx_test_picture(BAS_RED);
} else if (!strcmp(argv[argi], "tx-magenta")) {
tx_test_picture(BAS_MAGENTA);
} else if (!strcmp(argv[argi], "tx-green")) {
tx_test_picture(BAS_GREEN);
} else if (!strcmp(argv[argi], "tx-cyan")) {
tx_test_picture(BAS_CYAN);
} else if (!strcmp(argv[argi], "tx-yellow")) {
tx_test_picture(BAS_YELLOW);
} else if (!strcmp(argv[argi], "tx-white")) {
tx_test_picture(BAS_WHITE);
} else if (!strcmp(argv[argi], "tx-vcr")) {
tx_test_picture(BAS_VCR);
} else if (!strcmp(argv[argi], "tx-img")) {