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camera-ctl.c
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/*
* camera-ctl / v4l2 camera control
*
* Petr Vavrin (peterbay) [email protected]
* https://github.com/peterbay
*
* AlexOD42 https://github.com/AlexOD42
* firt idea and application skeleton
*
* Based on this issue https://github.com/showmewebcam/showmewebcam/issues/56
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <stdbool.h>
#include <errno.h>
#include <fcntl.h>
#include <ftw.h>
#include <termios.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/videodev2.h>
#include <ncurses.h>
#define DEBUG false
#define pixfmtstr(x) (x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, ((x) >> 24) & 0xff
#define clamp(val, min, max) \
({ \
typeof(val) __val = (val); \
typeof(min) __min = (min); \
typeof(max) __max = (max); \
(void)(&__val == &__min); \
(void)(&__val == &__max); \
__val = __val < __min ? __min : __val; \
__val > __max ? __max : __val; \
})
struct control_option
{
int index;
int value;
char *name;
} control_option;
enum control_entry_type
{
V4L2_CONTROL,
V4L2_PARAM,
};
struct control_mapping
{
int entry_type;
unsigned int id;
char *name;
char *var_name;
unsigned int control_type;
int value;
int minimum;
int maximum;
int step;
int default_value;
bool hasoptions;
struct control_option *options;
} control_mapping;
const char *ignored_variables[50];
int last_ignored_variable = 0;
static bool list_controls = false;
static bool disable_unsupported_controls = false;
volatile sig_atomic_t terminate = 0;
static struct control_mapping *ctrl_mapping;
static char *config_file = "/boot/camera.txt";
static char *v4l2_devname = "/dev/video0";
static unsigned int v4l2_dev_pixelformat;
static unsigned int v4l2_dev_width;
static unsigned int v4l2_dev_height;
static int last_offset = 0;
static int ctrl_last = 0;
static int v4l2_dev_fd;
static bool ui_initialized = false;
static int active_control = 0;
static int fps_max = 30;
struct preset
{
char *path;
char *name;
};
static char *presets_path = NULL;
static struct preset presets[10] = {
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
{NULL, NULL},
};
static int last_preset_loaded = -1;
static bool preset_alpabetically = false;
static int alpha_index = 0;
struct window_dimensions
{
int top;
int left;
int cols;
int rows;
};
struct window_dimensions top_dim = {0, 0, 0, 0};
struct window_dimensions menu_dim = {0, 0, 0, 0};
struct window_dimensions control_dim = {0, 0, 0, 0};
struct window_dimensions help_dim = {0, 0, 0, 0};
WINDOW *top_win;
WINDOW *menu_win;
WINDOW *control_win;
WINDOW *help_win;
void term(int signum)
{
(void)(signum); /* avoid warning: unused parameter 'signum' */
terminate = true;
}
static int v4l2_open(char *devname)
{
struct v4l2_capability cap;
v4l2_dev_fd = open(devname, O_RDWR | O_NONBLOCK, 0);
if (v4l2_dev_fd == -1)
{
printf("ERROR: Device open failed: %s (%d)\n", strerror(errno), errno);
return -EINVAL;
}
if (ioctl(v4l2_dev_fd, VIDIOC_QUERYCAP, &cap) < 0)
{
printf("ERROR: VIDIOC_QUERYCAP failed: %s (%d)\n", strerror(errno), errno);
goto err;
}
if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE))
{
printf("ERROR: %s is no video capture device\n", devname);
goto err;
}
return 1;
err:
close(v4l2_dev_fd);
return -EINVAL;
}
static void v4l2_close()
{
if (v4l2_dev_fd)
{
close(v4l2_dev_fd);
}
}
static int v4l2_fps_get()
{
static struct v4l2_streamparm parm;
struct v4l2_fract *tf;
memset(&parm, 0, sizeof(parm));
parm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(v4l2_dev_fd, VIDIOC_G_PARM, &parm) == 0)
{
tf = &parm.parm.capture.timeperframe;
if (!tf->denominator || !tf->numerator)
{
return 0;
}
else
{
return (int)(1.0 * tf->denominator / tf->numerator);
}
}
return 0;
}
static int v4l2_fps_set(int fps)
{
static struct v4l2_streamparm parm;
struct v4l2_fract *tf;
memset(&parm, 0, sizeof(parm));
parm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
parm.parm.capture.timeperframe.numerator = 1000;
parm.parm.capture.timeperframe.denominator =
(uint32_t)(fps * parm.parm.capture.timeperframe.numerator);
if (ioctl(v4l2_dev_fd, VIDIOC_S_PARM, &parm) == 0)
{
tf = &parm.parm.capture.timeperframe;
if (!tf->denominator || !tf->numerator)
{
return 0;
}
else
{
return (int)(1.0 * tf->denominator / tf->numerator);
}
}
return 0;
}
static void v4l2_init_fps()
{
int fps = v4l2_fps_get();
ctrl_mapping[ctrl_last].entry_type = V4L2_PARAM;
ctrl_mapping[ctrl_last].id = 0;
ctrl_mapping[ctrl_last].name = "FPS";
ctrl_mapping[ctrl_last].var_name = "fps";
ctrl_mapping[ctrl_last].control_type = 0;
ctrl_mapping[ctrl_last].value = fps;
ctrl_mapping[ctrl_last].minimum = 1;
ctrl_mapping[ctrl_last].maximum = fps_max;
ctrl_mapping[ctrl_last].step = 1;
ctrl_mapping[ctrl_last].default_value = 30;
ctrl_last++;
}
static int v4l2_set_ctrl_value(int id, int value)
{
struct v4l2_control control;
memset(&control, 0, sizeof(control));
control.id = id;
control.value = value;
return ioctl(v4l2_dev_fd, VIDIOC_S_CTRL, &control);
}
static void v4l2_apply_control(struct control_mapping *mapping)
{
switch (mapping->entry_type)
{
case V4L2_CONTROL:
v4l2_set_ctrl_value(mapping->id, mapping->value);
break;
case V4L2_PARAM:
if (!strncmp(mapping->var_name, "fps", 3))
{
mapping->value = v4l2_fps_set(mapping->value);
}
break;
default:
break;
}
}
static char *name2var(char *name)
{
int i;
int len_name = strlen(name) - 1;
char lowercase;
char out_name[127] = {'\0'};
bool add_underscore = false;
for (i = 0; i <= len_name; i++)
{
if (isalnum(name[i]))
{
if (add_underscore)
{
strcat(out_name, "_");
add_underscore = false;
}
lowercase = tolower(name[i]);
strncat(out_name, &lowercase, 1);
}
else
{
add_underscore = true;
}
}
return strdup((const char *)out_name);
}
static bool v4l2_check_supported_control(int control_id)
{
if (v4l2_dev_pixelformat != V4L2_PIX_FMT_H264 &&
v4l2_dev_pixelformat != V4L2_PIX_FMT_H264_NO_SC &&
v4l2_dev_pixelformat != V4L2_PIX_FMT_H264_MVC)
{
switch (control_id)
{
case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
case V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY:
case V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK:
case V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH:
case V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC:
case V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P:
case V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM:
case V4L2_CID_MPEG_VIDEO_H264_ASO:
case V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER:
case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP:
case V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE:
case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
case V4L2_CID_MPEG_VIDEO_H264_FMO:
case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION:
case V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE:
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH:
case V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP:
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING:
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP:
case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_I_PERIOD:
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0:
case V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING:
case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT:
case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
return false;
default:
break;
}
}
if (v4l2_dev_pixelformat != V4L2_PIX_FMT_MPEG4)
{
switch (control_id)
{
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP:
return false;
default:
break;
}
}
return true;
}
static void v4l2_get_controls()
{
const unsigned next_fl = V4L2_CTRL_FLAG_NEXT_CTRL | V4L2_CTRL_FLAG_NEXT_COMPOUND;
struct v4l2_queryctrl queryctrl;
struct v4l2_control control;
struct v4l2_querymenu querymenu;
unsigned int options_count;
unsigned int option_nr;
unsigned int id;
int menu_index;
char *var_name;
bool ignore;
int liv;
memset(&queryctrl, 0, sizeof(queryctrl));
memset(&querymenu, 0, sizeof(querymenu));
ctrl_mapping = malloc(100 * sizeof(struct control_mapping));
if (list_controls)
{
printf("INFO: %30s = %-30s\n", "Control variable name", "Control name");
}
queryctrl.id = next_fl;
while (0 == ioctl(v4l2_dev_fd, VIDIOC_QUERYCTRL, &queryctrl))
{
id = queryctrl.id;
queryctrl.id |= next_fl;
if ((queryctrl.flags & V4L2_CTRL_FLAG_DISABLED) ||
(queryctrl.flags & V4L2_CTRL_FLAG_INACTIVE) ||
(queryctrl.flags & V4L2_CTRL_FLAG_READ_ONLY))
{
continue;
}
if (disable_unsupported_controls)
{
if (!v4l2_check_supported_control(id))
{
printf("INFO: Ignore unsupported control: %s\n", queryctrl.name);
continue;
}
}
control.id = queryctrl.id;
if (0 == ioctl(v4l2_dev_fd, VIDIOC_G_CTRL, &control))
{
option_nr = 0;
var_name = name2var((char *)queryctrl.name);
if (list_controls)
{
printf("INFO: %30s = %-30s\n", var_name, queryctrl.name);
continue;
}
if (last_ignored_variable > 0)
{
ignore = false;
for (liv = 0; liv < last_ignored_variable; liv++)
{
if (!strncmp(var_name, ignored_variables[liv], strlen(var_name)))
{
ignore = true;
continue;
}
}
if (ignore)
{
continue;
}
}
ctrl_mapping[ctrl_last].entry_type = V4L2_CONTROL;
ctrl_mapping[ctrl_last].id = id;
ctrl_mapping[ctrl_last].name = strdup((const char *)queryctrl.name);
ctrl_mapping[ctrl_last].var_name = var_name;
ctrl_mapping[ctrl_last].control_type = queryctrl.type;
ctrl_mapping[ctrl_last].value = control.value;
ctrl_mapping[ctrl_last].minimum = queryctrl.minimum;
ctrl_mapping[ctrl_last].maximum = queryctrl.maximum;
ctrl_mapping[ctrl_last].step = queryctrl.step;
ctrl_mapping[ctrl_last].default_value = queryctrl.default_value;
if (queryctrl.type == V4L2_CTRL_TYPE_MENU || queryctrl.type == V4L2_CTRL_TYPE_INTEGER_MENU)
{
options_count = queryctrl.maximum - queryctrl.minimum + 1;
if (options_count <= 0)
{
continue;
}
ctrl_mapping[ctrl_last].options = malloc(options_count * sizeof(struct control_option));
for (menu_index = queryctrl.minimum; menu_index <= queryctrl.maximum; menu_index++)
{
querymenu.id = id;
querymenu.index = menu_index;
if (0 == ioctl(v4l2_dev_fd, VIDIOC_QUERYMENU, &querymenu))
{
ctrl_mapping[ctrl_last].options[option_nr].index = querymenu.index;
if (queryctrl.type == V4L2_CTRL_TYPE_MENU)
{
ctrl_mapping[ctrl_last].options[option_nr].name = strdup((const char *)querymenu.name);
}
else
{
ctrl_mapping[ctrl_last].options[option_nr].value = querymenu.value;
}
option_nr += 1;
}
}
if (option_nr)
{
ctrl_mapping[ctrl_last].hasoptions = true;
}
}
ctrl_last += 1;
}
}
}
static void control_free()
{
int i;
for (i = 0; i < ctrl_last; i++)
{
if (ctrl_mapping[i].entry_type == V4L2_CONTROL)
{
if (ctrl_mapping[i].name)
{
free(ctrl_mapping[i].name);
ctrl_mapping[i].name = NULL;
}
if (ctrl_mapping[i].var_name)
{
free(ctrl_mapping[i].var_name);
ctrl_mapping[i].var_name = NULL;
}
if (ctrl_mapping[i].hasoptions && ctrl_mapping[i].options)
{
free(ctrl_mapping[i].options);
ctrl_mapping[i].options = NULL;
}
}
}
}
static void control_load(const char *title, const char *filename)
{
char name[30];
int value;
int i;
FILE *fp = fopen(filename, "r");
mvprintw(0, 20, "%*s", 60, " ");
if (fp != NULL)
{
// Assume control=value file format
while (fscanf(fp, "%[^=]=%d\r\n", name, &value) == 2)
{
for (i = 0; i < ctrl_last; i++)
{
if (strcmp(name, ctrl_mapping[i].var_name) == 0)
{
if (ctrl_mapping[i].value != value)
{
ctrl_mapping[i].value = value;
v4l2_apply_control(&ctrl_mapping[i]);
};
break;
}
}
}
mvprintw(0, 20, "%s file %s loaded", title, filename);
fclose(fp);
}
else
{
mvprintw(0, 20, "Cannot load %s", filename);
}
refresh();
}
static void control_save(const char *title, const char *filename)
{
int value;
// Overwrite existing file
FILE *fp = fopen(filename, "w");
mvprintw(0, 20, "%*s", 60, " ");
if (fp != NULL)
{
for (int i = 0; i < ctrl_last; i++)
{
value = 0;
if (ctrl_mapping[i].value != ctrl_mapping[i].default_value)
{
value = ctrl_mapping[i].value;
fprintf(fp, "%s=%d\r\n", ctrl_mapping[i].var_name, value);
}
}
fclose(fp);
mvprintw(0, 20, "%s file %s saved", title, filename);
}
else
{
mvprintw(0, 20, "Cannot save %s", filename);
}
refresh();
}
static int presets_read(const char *fpath,
const struct stat *sb,
int tflag)
{
char *file = NULL;
int index = 0;
(void)(tflag); /* avoid warning: unused parameter 'tflag' */
if (!S_ISDIR(sb->st_mode))
{
file = (char *)(fpath + strlen(presets_path));
if (file[0] == '/')
{
file++;
}
if (preset_alpabetically)
{
if (alpha_index < 9)
{
presets[alpha_index].path = strdup((const char *)fpath);
presets[alpha_index].name = strdup((const char *)file);
printf("%d %s\n", alpha_index, presets[alpha_index].name);
alpha_index++;
}
}
else if (file[0] > 48 && file[0] < 58)
{
index = (int)file[0] - 49;
presets[index].path = strdup((const char *)fpath);
file++;
while (!isalnum((int)file[0]))
{
file++;
}
presets[index].name = strdup((const char *)file);
}
}
return 0;
}
static int sort_presets(const void *v1, const void *v2)
{
const struct preset *p1 = (struct preset *)v1;
const struct preset *p2 = (struct preset *)v2;
int rc = strcmp(p1->name, p2->name);
if (rc < 0)
{
return -1;
}
else if (rc > 0)
{
return +1;
}
else
{
return 0;
}
}
static void get_preset_files()
{
if (presets_path)
{
ftw(presets_path, presets_read, 20);
if (preset_alpabetically && alpha_index > 0)
{
qsort(presets, alpha_index, sizeof(struct preset), sort_presets);
}
}
}
static void load_preset(int index)
{
if (index >= 0 && index < 9)
{
if (presets[index].path)
{
control_load("Preset", presets[index].path);
last_preset_loaded = index;
}
}
}
static void load_next_preset()
{
int i;
if (last_preset_loaded < 0)
{
for (i = 0; i < 9; i++)
{
if (presets[i].path)
{
load_preset(i);
return;
}
}
}
else
{
for (i = last_preset_loaded + 1; i < 9; i++)
{
if (presets[i].path)
{
load_preset(i);
return;
}
}
for (i = 0; i < last_preset_loaded; i++)
{
if (presets[i].path)
{
load_preset(i);
return;
}
}
}
}
static void menu_item(int cid, int y, int x)
{
struct control_mapping *cm = &ctrl_mapping[cid];
int idx;
char *value_diff = " ";
int row_width = menu_dim.cols - 4;
if (cm->value > cm->default_value)
{
value_diff = "+";
}
else if (cm->value < cm->default_value)
{
value_diff = "-";
}
/* value */
mvwprintw(menu_win, y, x, "%*d", row_width, cm->value);
/* option name */
if (cm->hasoptions)
{
for (idx = cm->minimum; idx <= cm->maximum; idx++)
{
if (cm->options[idx].index == cm->value)
{
if (cm->options[idx].name)
{
mvwprintw(menu_win, y, x, "%*s", row_width, cm->options[idx].name);
}
else
{
mvwprintw(menu_win, y, x, "%*d", row_width, cm->options[idx].value);
}
}
}
}
/* name */
mvwprintw(menu_win, y, x, "%s %s", value_diff, cm->name);
}
static void v4l2_format_info()
{
struct v4l2_format fmt;
memset(&fmt, 0, sizeof(fmt));
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(v4l2_dev_fd, VIDIOC_G_FMT, &fmt) < 0)
{
return;
}
v4l2_dev_pixelformat = fmt.fmt.pix.pixelformat;
v4l2_dev_width = fmt.fmt.pix.width;
v4l2_dev_height = fmt.fmt.pix.height;
}
static void ui_uninit()
{
curs_set(1);
clrtoeol();
refresh();
endwin();
}
static void draw_top()
{
int i;
int row = 2;
int col = 37;
wclear(top_win);
mvwin(top_win, top_dim.top, top_dim.left);
wresize(top_win, top_dim.rows, top_dim.cols);
mvprintw(0, 1, "Camera control: ", v4l2_devname);
mvprintw(1, 1, "V4L2: %s", v4l2_devname);
mvprintw(2, 1, "Format: %c%c%c%c", pixfmtstr(v4l2_dev_pixelformat));
mvprintw(3, 1, "Resolution: %dx%d", v4l2_dev_width, v4l2_dev_height);
mvprintw(1, 28, "Config: %s", config_file);
mvprintw(2, 28, "Presets:");
for (i = 0; i < 10; i++)
{
if (presets[i].name)
{
if (col + (int)strlen(presets[i].name) + 5 > (int)top_dim.cols)
{
row++;
col = 37;
}
if (row < 4)
{
mvprintw(row, col, "[%d] %s", i + 1, presets[i].name);
col += (int)strlen(presets[i].name) + 5;
}
}
}
wnoutrefresh(top_win);
}
static void draw_menu(bool full_redraw)
{
int i;
int x = 2;
int y = 1;
int max;
int offset = 0;
int btitle_offset = 0;
int window_lines = menu_dim.rows - 2;
if (full_redraw)
{
wclear(menu_win);
mvwin(menu_win, menu_dim.top, menu_dim.left);
wresize(menu_win, menu_dim.rows, menu_dim.cols);
}
else
{
werase(menu_win);
}
box(menu_win, 0, 0);
if (active_control > window_lines - 1)
{
if (active_control >= last_offset && active_control < last_offset + window_lines)
{
offset = last_offset;
}
else
{
offset = active_control - window_lines + 1;
}
}
else if (last_offset > 0)
{
if (active_control > last_offset)
{
offset = last_offset;
}
else
{
offset = active_control;
}
}
last_offset = offset;
max = (ctrl_last >= offset + window_lines) ? offset + window_lines : ctrl_last;
box(menu_win, 0, 0);
for (i = offset; i < max; i++)
{
if (active_control == i)
{
wattron(menu_win, A_REVERSE);
menu_item(i, y, x);
wattroff(menu_win, A_REVERSE);
}
else
{
menu_item(i, y, x);
}
y++;
}
btitle_offset = menu_dim.cols - 9;
btitle_offset -= (active_control + 1 < 10) ? 1 : ((active_control + 1 < 100) ? 2 : 3);
btitle_offset -= (ctrl_last < 10) ? 1 : ((ctrl_last < 100) ? 2 : 3);
mvwhline(menu_win, 0, 1, ACS_HLINE, menu_dim.cols - 2);
wmove(menu_win, menu_dim.rows - 1, btitle_offset);
wprintw(menu_win, "[ %d / %d ]", active_control + 1, ctrl_last);
wnoutrefresh(menu_win);
if (full_redraw)
{
wnoutrefresh(menu_win);
}
else
{
wrefresh(menu_win);
}
}
static void draw_control(bool full_redraw)
{
struct control_mapping *cm = &ctrl_mapping[active_control];
int row = 1;
int idx;
if (full_redraw)
{
wclear(control_win);
mvwin(control_win, control_dim.top, control_dim.left);
wresize(control_win, control_dim.rows, control_dim.cols);
}
else
{
werase(control_win);
}
box(control_win, 0, 0);
mvwprintw(control_win, row++, 2, "%.22s", cm->name);
mvwprintw(control_win, row++, 2, "Val: %17d", cm->value);
mvwprintw(control_win, row++, 2, "Min: %17d", cm->minimum);
mvwprintw(control_win, row++, 2, "Max: %17d", cm->maximum);
mvwprintw(control_win, row++, 2, "Stp: %17d", cm->step);
mvwprintw(control_win, row++, 2, "Def: %17d", cm->default_value);
mvwprintw(control_win, row, 2, "Opt: %*s", 17, "");
if (cm->hasoptions)
{
for (idx = cm->minimum; idx <= cm->maximum; idx++)
{
if (cm->options[idx].index == cm->value)
{
if (cm->options[idx].name)
{
mvwprintw(control_win, row, 2, "Opt: %17s", cm->options[idx].name);
}
else
{
mvwprintw(control_win, row, 2, "Opt: %17d", cm->options[idx].value);
}
}
}
}
if (full_redraw)
{
wnoutrefresh(control_win);
}
else
{
wrefresh(control_win);
}
}
static void draw_help()
{
int row = help_dim.top;
int col = help_dim.left;
int i;
for (i = row; i < row + 11; i++)
{
mvprintw(i, col - 1, " ");
}
wclear(help_win);
werase(help_win);
mvwin(help_win, help_dim.top, help_dim.left);
wresize(help_win, help_dim.rows, help_dim.cols);
mvprintw(row++, col, "Up/Down/Home/End Navigate");
mvprintw(row++, col, "Left/Right Adjust");
mvprintw(row++, col, "PgDn/PgUp Jump Adjust");
mvprintw(row++, col, "1-9 Load preset file");
mvprintw(row++, col, "Tab Switch preset file");
mvprintw(row++, col, " ");
mvprintw(row++, col, "R Reset All | U Update ");
mvprintw(row++, col, "D Default");
mvprintw(row++, col, "N Minimum | M Maximum ");
mvprintw(row++, col, "L Load | S Save ");
mvprintw(row++, col, "Q Quit");
wnoutrefresh(help_win);
}
static void draw_ui(int row, int col)
{
(void)(row);