def button_callback_3():
global camera
global overlay
global config
print("Button 3: Zoom")
zoom(camera, config)
overlay = overlay_handler.add_overlay(camera, overlay, config)
overlay_handler.display_text(camera, '', config)
def adjust_delay(camera, config):
idex = config["delay_times"].index(config["delay_time"]) + 1
if idex >= len(config["delay_times"]):
idex = 0
config["delay_time"] = config["delay_times"][idex]
overlay_handler.display_text(camera, '', config)
print(f'delay_time: {config["delay_time"]}')
def select_menu_item(camera, config):
idex = config["current_menu_items"].index(config["menu_item"]) + 1
if idex < len(config["current_menu_items"]):
config["menu_item"] = config["current_menu_items"][idex]
else:
config["menu_item"] = config["default_menu_item"]
overlay_handler.display_text(camera, '', config)
print(f'menu_item: {config["menu_item"]}')
def adjust_awb_mode(camera, config):
idex = config["available_awb_mode"].index(config["awb_mode"]) + 1
if idex < len(config["available_awb_mode"]):
config["awb_mode"] = config["available_awb_mode"][idex]
else:
config["awb_mode"] = config["default_awb_mode"]
camera.awb_mode = config["awb_mode"]
overlay_handler.display_text(camera, '', config)
print(f'awb_mode: {config["awb_mode"]}')
def adjust_iso(camera, config):
idex = config["available_isos"].index(config["iso"]) + 1
if idex < len(config["available_isos"]):
camera.iso = config["available_isos"][idex]
else:
camera.iso = config["default_iso"]
overlay_handler.display_text(camera, '', config)
config["iso"] = camera.iso
print(f'iso: {config["iso"]}')
def adjust_exposure_mode(camera, config):
idex = config["available_exposure_modes"].index(
config["exposure_mode"]) + 1
if idex < len(config["available_exposure_modes"]):
camera.exposure_mode = config["available_exposure_modes"][idex]
else:
camera.exposure_mode = config["default_exposure_mode"]
overlay_handler.display_text(camera, '', config)
config["exposure_mode"] = camera.exposure_mode
print(f'exposure_mode: {config["exposure_mode"]}')
def adjust_shutter_speed(camera, config):
idex = config["available_shutter_speeds"].index(
config["shutter_speed"]) + 1
if idex < len(config["available_shutter_speeds"]):
config["shutter_speed"] = config["available_shutter_speeds"][idex]
else:
config["shutter_speed"] = config["default_shutter_speed"]
# camera.framerate = compute_framerate(camera, config) # Done when taking the shot
camera.shutter_speed = config["shutter_speed"]
config["take_long_shutter_speed"] = False
overlay_handler.display_text(camera, '', config)
print(
f'shutter_speed: {overlay_handler.compute_shutter_speed_from_us(config["shutter_speed"])}, set speed: {camera._get_shutter_speed()}, fps: {camera.framerate}'
)
def auto_mode(camera, overlay, config, skip_dpc=False):
print('auto mode!')
camera.iso = config["default_iso"]
camera.exposure_mode = config["default_exposure_mode"]
camera.shutter_speed = config["default_shutter_speed"]
camera.awb_mode = config["default_awb_mode"]
camera.framerate = compute_framerate(camera, config)
if skip_dpc == False and config['dpc'] != config['default_dpc']:
config['dpc'] = config['default_dpc']
set_dpc(camera, overlay, config)
if config["fom"] != config["default_fom"]:
adjust_fom(camera, config)
set_fom(camera, config)
overlay_handler.display_text(camera, '', config)
def start_camera(original_config, skip_auto=False, skip_button_listen=False):
global camera
global overlay
global config
# Force variables to be blanked
camera = None
overlay = None
config = original_config
# Config Variables
screen_fps = config["screen_fps"]
capture_timeout = config["capture_timeout"]
screen_w = config["screen_w"]
screen_h = config["screen_h"]
width = config["width"]
height = config["height"]
# Init
# https://github.com/waveform80/picamera/issues/329
PiCamera.CAPTURE_TIMEOUT = capture_timeout
print(f'Camera Timeout: {PiCamera.CAPTURE_TIMEOUT}')
camera = PiCamera(
) # framerate=fps is bugged - rather set camera.framerate
if skip_auto == False:
auto_mode(camera, overlay, config)
overlay = None
camera.resolution = (screen_w, screen_h)
camera.framerate = screen_fps # fps
overlay = overlay_handler.add_overlay(camera, overlay, config)
overlay_handler.display_text(camera, '', config)
print(f'screen: ({screen_w}, {screen_h}), res: ({width}, {height})')
if skip_button_listen == False:
start_button_listen(config)
start_preview(camera, config)
return [camera, overlay]
def adjust_hdr2(camera, config):
config["hdr2"] = not config["hdr2"]
overlay_handler.display_text(camera, '', config)
def adjust_fom(camera, config):
config["fom"] = not config["fom"]
overlay_handler.display_text(camera, '', config)
def set_raw_convert(camera, config):
config["raw_convert"] = not config["raw_convert"]
overlay_handler.display_text(camera, '', config)
print(f'raw_convert: {config["raw_convert"]}')
def adjust_encoding(camera, config):
config["encoding"] = not config["encoding"]
overlay_handler.display_text(camera, '', config)
print(f'encoding: {config["encoding"]}')
def set_video(camera, config):
config["video"] = not config["video"]
overlay_handler.display_text(camera, '', config)
print(f'video: {config["video"]}')
def set_hdr(camera, config):
config["hdr"] = not config["hdr"]
overlay_handler.display_text(camera, '', config)
print(f'hdr: {config["hdr"]}')
