static void post_deflicker_task()
{
/* not quite correct in burst mode, but at least only one task will run at a time */
/* so at least the last deflicker in a burst sequence should be correct */
deflicker_waiting++;
take_semaphore(deflicker_sem, 0);
deflicker_waiting--;
int raw_fast = raw_hist_get_percentile_level(post_deflicker_percentile*10, GRAY_PROJECTION_GREEN, 4);
//~ console_printf("fast deflick: %d\n", raw_fast);
int raw = raw_fast;
/* no rush? do a precise deflicker */
for (int i = 0; i < 10; i++)
{
msleep(100);
if (deflicker_waiting) break;
}
if (!deflicker_waiting)
{
int raw_precise = raw_hist_get_percentile_level(post_deflicker_percentile*10, GRAY_PROJECTION_GREEN, 0);
//~ console_printf("precise deflick: %d\n", raw_precise);
if (raw_precise > 0 && raw_precise < 16384) raw = raw_precise;
}
//~ else console_printf("hurry, hurry\n");
if (raw <= 0 || raw >= 16384)
{
deflicker_last_correction_x100 = 0;
give_semaphore(deflicker_sem);
return;
}
/* assume a fixed white level, like most raw image processors do */
/* any value around 15000 will do (the effect of changing it would be a small shift in exposure, same amount in all images) */
/* without this, variations in the the default (autodetected) white level will introduce flicker */
float ev = raw_to_ev_custom(raw, 15000);
float correction = post_deflicker_target_level - ev;
deflicker_last_correction_x100 = (int)roundf(correction * 100);
console_printf("deflick corr: %s%d.%02d\n", FMT_FIXEDPOINT2S(deflicker_last_correction_x100));
post_deflicker_save_sidecar_file_for_cr2(post_deflicker_sidecar_type, get_shooting_card()->file_number, correction);
give_semaphore(deflicker_sem);
}
static void
focus_toggle( void * priv )
{
if (focus_rack_delta) return; // another rack focus operation in progress
menu_enable_lv_transparent_mode();
focus_task_delta = -focus_task_delta;
focus_rack_delta = focus_task_delta;
give_semaphore( focus_task_sem );
}
void
lens_focus_start(
int dir
)
{
if( dir == 0 )
focus_task_dir_n_speedx = focus_dir ? 1 : -1;
else
focus_task_dir_n_speedx = dir; // this includes the focus speed multiplier (1 = FF+, 2 = FF++)
give_semaphore( focus_task_sem );
}
// this can be called from more tasks (gui, prop handler, menu), so it needs to be thread safe
void config_save()
{
#ifdef CONFIG_CONFIG_FILE
take_semaphore(config_save_sem, 0);
update_disp_mode_bits_from_params();
char config_file[0x80];
snprintf(config_file, sizeof(config_file), "%smagic.cfg", get_config_dir());
config_save_file(config_file);
config_menu_save_flags();
module_save_configs();
if (config_deleted) config_autosave = 1; /* this can be improved, because it's not doing a proper "undo" */
config_deleted = 0;
give_semaphore(config_save_sem);
#endif
}