static void autoexpo_task()
{
autoexpo_running = 1;
if(!lens_info.raw_shutter) goto cleanup; //open menus
int bv = RAW2TV(lens_info.raw_shutter) + RAW2AV(lens_info.raw_aperture) - RAW2SV(lens_info.iso_equiv_raw) + RAW2EC(get_ae_value());
if(bv < -200){ //AE_VALUE overflows, set some low values
lens_set_rawshutter(60 + 56);
lens_set_rawaperture(1);
lens_set_rawiso(1);
NotifyBox(1000, "AE_VALUE overflows");
goto cleanup;
}
last_bv = bv;
exposure expo = get_exposure(bv, 0);
lens_set_rawaperture(AV2RAW(expo.av));
lens_set_rawiso(SV2RAW(expo.sv));
lens_set_rawshutter(TV2RAW(expo.tv));
cleanup:
autoexpo_running = 0;
}
static void iso_movie_change_setting(int iso, int dgain, int shutter)
{
lens_set_rawiso(iso);
lens_set_rawshutter(shutter);
set_display_gain_equiv(dgain);
msleep(2000);
take_fast_pictures(1);
}
static void find_response_curve(const char* fname)
{
char fname_real[255];
snprintf(fname_real, sizeof(fname_real), "ML/LOGS/%s", fname);
FILE* f = FIO_CreateFile(fname_real);
ensure_movie_mode();
clrscr();
set_lv_zoom(5);
msleep(1000);
for (int i = 0; i < 64*2; i+=8)
bmp_draw_rect(COLOR_BLACK, i*5+40, 0, 8*5, 380);
draw_line( 40, 190, 720-40, 190, COLOR_BLACK);
extern int bv_auto;
//int bva0 = bv_auto;
bv_auto = 0; // make sure it won't interfere
bv_enable(); // for enabling fine 1/8 EV increments
int ma = (lens_info.raw_aperture_min + 7) & ~7;
for (int i = 0; i < 64*2; i++)
{
int a = (i/2) & ~7; // change aperture in full-stop increments
lens_set_rawaperture(ma + a);
lens_set_rawshutter(96 + i - a); // shutter can be changed in finer increments
msleep(400);
int Y,U,V;
get_spot_yuv(180, &Y, &U, &V);
dot( i*5 + 40 - 16, 380 - Y*380/255 - 16, COLOR_BLUE, 3); // dot has an offset of 16px
my_fprintf(f, "%d %d %d %d\n", i, Y, U, V);
}
FIO_CloseFile(f);
beep();
//~ call("dispcheck");
lens_set_rawaperture(ma);
lens_set_rawshutter(96);
}
static void shutter_lock_step()
{
if (is_movie_mode()) // no effect in photo mode
{
int shutter = lens_info.raw_shutter;
if (shutter_lock_value == 0) shutter_lock_value = shutter; // make sure it's some valid value
if (!gui_menu_shown()) // lock shutter
{
if (shutter != shutter_lock_value) // i.e. revert it if changed
{
//~ lens_set_rawaperture(COERCE(lens_info.raw_aperture + shutter - shutter_lock_value, 16, 96));
msleep(100);
lens_set_rawshutter(shutter_lock_value);
msleep(100);
}
}
else
shutter_lock_value = shutter; // accept change from ML menu
}
}
