def liveview_thread(self):
"""
Publishes one liveview frame.
:return: None
"""
try:
# read next image
self.success_liveview = False
data = self.incoming.read(8)
common = common_header(data)
data = self.incoming.read(128)
self.img_msg = CompressedImage() # message to publish
if common['payload_type'] == 1: # jpeg frame
payload = payload_header(data)
image_file = self.incoming.read(payload['jpeg_data_size'])
# fill message fields
self.img_msg.header.seq = common['sequence_number']
self.img_msg.header.stamp.secs = common['time_stamp'] / 1000.
self.img_msg.header.stamp.nsecs = common['time_stamp'] * 1000.
self.img_msg.header.frame_id = "right_sony_cam"
self.img_msg.format = 'jpeg'
self.img_msg.data = image_file
# end fill
self.pub.publish(self.img_msg)
self.success_liveview = True
except Exception as err:
rospy.logerr("Couldn't get liveview")
def run(self):
global options, grabber, decoder, display, image_copy
if options.debug:
print("using LiveView grabber")
self.active = False
self.photomode = False
# grabber control signals
self.event_start_stream = threading.Event()
self.event_stop_stream = threading.Event()
self.event_stopped_stream = threading.Event()
self.event_terminate = threading.Event()
self.event_terminated = threading.Event()
# decoder control signals
self.event_decoding = threading.Event()
self.event_decoder_terminated = threading.Event()
# display control signals
self.lock_offscreen = threading.Semaphore()
# export to other threads
self.frame_count = 0
grabber = self
# Search for available camera
if options.debug:
print("searching for camera")
search = ControlPoint()
cameras = search.discover(1)
if len(cameras):
camera = SonyAPI(QX_ADDR=cameras[0])
else:
print("No camera found, aborting")
return
# Check if we need to do 'startRecMode'
mode = camera.getAvailableApiList()
# Need a better method to check for the presence of a camera
if type(mode) != dict:
print("No camera found, aborting")
display.terminate_clicked()
self.event_terminated.set()
return
# For those cameras which need it
if 'startRecMode' in (mode['result'])[0]:
camera.startRecMode()
time.sleep(5)
# and re-read capabilities
mode = camera.getAvailableApiList()
if options.debug:
print("Versions: %s" % camera.getVersions())
print("API List: %s" % mode)
if 'setLiveviewFrameInfo' in (mode['result'])[0]:
if options.info:
camera.setLiveviewFrameInfo([{"frameInfo": True}])
else:
camera.setLiveviewFrameInfo([{"frameInfo": False}])
if 'getAvailableLiveviewSize' in (mode['result'])[0]:
if options.large and len((camera.getAvailableLiveviewSize()['result'])[0]) > 1:
url = camera.liveview(["L"])
else:
url = camera.liveview()
else:
url = camera.liveview()
incoming_image = None
frame_info = None
# Ensure that we're in correct mode (movie by default)
mode = camera.getAvailableShootMode()
if type(mode) == dict:
if options.still:
if (mode['result'])[0] != 'still':
if 'still' in (mode['result'])[1]:
camera.setShootMode(["still"])
self.photomode = True
else:
self.photomode = True
else:
if (mode['result'])[0] != 'movie':
if 'movie' in (mode['result'])[1]:
camera.setShootMode(["movie"])
else:
self.photomode = True
lst = SonyAPI.LiveviewStreamThread(url)
lst.start()
while not self.event_terminate.isSet():
# Handle events from the camera (record start/stop)
if self.frame_count % 50 == 0:
mode = camera.getEvent(["false"])
else:
mode = None
if mode and type(mode) == dict:
status = mode['result'][1]
if self.active == False and status['cameraStatus'] == 'MovieRecording':
self.frame_count = 0
self.start_time = datetime.datetime.now()
self.active = True
if options.debug:
print("started capture %s" % self.start_time)
elif self.active == True and status['cameraStatus'] == 'IDLE':
self.active = False
self.end_time = datetime.datetime.now()
if options.debug:
elapsed = self.end_time - self.start_time
'''
print("Stopped capture: frames = ", self.frame_count, \
", delta = ", elapsed.seconds + (float(elapsed.microseconds) / 1000000), \
", fps = ", self.frame_count / (elapsed.seconds + (float(elapsed.microseconds) / 1000000)))
'''
print("Stopped capture: frames = %d, delta = %d, fps = %d" % \
(self.frame_count, elapsed.seconds + (float(elapsed.microseconds) / 1000000), \
self.frame_count / (elapsed.seconds + (float(elapsed.microseconds) / 1000000))))
# read header, confirms image is also ready to read
header = lst.get_header()
if header:
image_file = io.BytesIO(lst.get_latest_view())
incoming_image = Image.open(image_file)
frame_info = lst.get_frameinfo()
if options.gui == True :
# Correct display size if changed
if incoming_image and ((incoming_image.size)[0] != display.width):
if options.debug:
print("adjusted width from %d to %d" % (display.width, (incoming_image.size)[0]))
display.width = (incoming_image.size)[0]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
display.width, display.height)
if incoming_image and ((incoming_image.size)[1] != display.height):
if options.debug:
print("adjusted height from %d to %d" % (display.height, (incoming_image.size)[1]))
display.height = (incoming_image.size)[1]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
display.width, display.height)
# copy image to the display
if incoming_image:
image_copy = incoming_image.convert("RGB")
# draw frame info to image
if frame_info:
for x in range(len(frame_info)):
left = frame_info[x]['left'] * display.width / 10000
top = frame_info[x]['top'] * display.height / 10000
right = frame_info[x]['right'] * display.width / 10000
bottom = frame_info[x]['bottom'] * display.height / 10000
dr = ImageDraw.Draw(image_copy)
dr.line((left, top, left, bottom), fill="white", width=3)
dr.line((right, top, right, bottom), fill="white", width=3)
dr.line((left, top, right, top), fill="white", width=3)
dr.line((left, bottom, right, bottom), fill="white", width=3)
display.copy_to_offscreen(image_copy)
if options.debug and header:
common = common_header(header)
print("Frame: %d, %d, %s" % (common['sequence_number'], common['time_stamp'], datetime.datetime.now()))
# count frames
self.frame_count = self.frame_count + 1
# handle events
if self.event_start_stream.isSet():
if self.photomode == True:
camera.actTakePicture()
else:
camera.startMovieRec()
self.event_start_stream.clear()
if self.event_stop_stream.isSet():
camera.stopMovieRec()
self.event_stop_stream.clear()
# give OS a breather
#time.sleep(0.01)
# declare that we're done...
self.event_terminated.set()
self.event_terminate.clear()
def run(self):
global options, grabber, decoder, display, image_copy
if options.debug:
print("using LiveView grabber")
self.active = False
self.photomode = False
# grabber control signals
self.event_start_stream = threading.Event()
self.event_stop_stream = threading.Event()
self.event_stopped_stream = threading.Event()
self.event_terminate = threading.Event()
self.event_terminated = threading.Event()
# decoder control signals
self.event_decoding = threading.Event()
self.event_decoder_terminated = threading.Event()
# display control signals
self.lock_offscreen = threading.Semaphore()
# export to other threads
self.frame_count = 0
grabber = self
# Search for available camera
if options.debug:
print("searching for camera")
search = ControlPoint()
cameras = search.discover(1)
if len(cameras):
camera = SonyAPI(QX_ADDR=cameras[0])
else:
print("No camera found, aborting")
return
# Check if we need to do 'startRecMode'
mode = camera.getAvailableApiList()
# Need a better method to check for the presence of a camera
if type(mode) != dict:
print("No camera found, aborting")
display.terminate_clicked()
self.event_terminated.set()
return
# For those cameras which need it
if 'startRecMode' in (mode['result'])[0]:
camera.startRecMode()
time.sleep(5)
# and re-read capabilities
mode = camera.getAvailableApiList()
if options.debug:
print("Versions: %s" % camera.getVersions())
print("API List: %s" % mode)
if 'setLiveviewFrameInfo' in (mode['result'])[0]:
if options.info:
camera.setLiveviewFrameInfo([{"frameInfo": True}])
else:
camera.setLiveviewFrameInfo([{"frameInfo": False}])
if 'getAvailableLiveviewSize' in (mode['result'])[0]:
if options.large and len((camera.getAvailableLiveviewSize()['result'])[0]) > 1:
url = camera.liveview(["L"])
else:
url = camera.liveview()
else:
url = camera.liveview()
incoming_image = None
frame_info = None
# Ensure that we're in correct mode (movie by default)
mode = camera.getAvailableShootMode()
if type(mode) == dict:
if options.still:
if (mode['result'])[0] != 'still':
if 'still' in (mode['result'])[1]:
camera.setShootMode(["still"])
self.photomode = True
else:
self.photomode = True
else:
if (mode['result'])[0] != 'movie':
if 'movie' in (mode['result'])[1]:
camera.setShootMode(["movie"])
else:
self.photomode = True
lst = SonyAPI.LiveviewStreamThread(url)
lst.start()
while not self.event_terminate.isSet():
# Handle events from the camera (record start/stop)
if self.frame_count % 50 == 0:
mode = camera.getEvent(["false"])
else:
mode = None
if mode and type(mode) == dict:
status = mode['result'][1]
if self.active == False and status['cameraStatus'] == 'MovieRecording':
self.frame_count = 0
self.start_time = datetime.datetime.now()
self.active = True
if options.debug:
print("started capture %s" % self.start_time)
elif self.active == True and status['cameraStatus'] == 'IDLE':
self.active = False
self.end_time = datetime.datetime.now()
if options.debug:
elapsed = self.end_time - self.start_time
'''
print("Stopped capture: frames = ", self.frame_count, \
", delta = ", elapsed.seconds + (float(elapsed.microseconds) / 1000000), \
", fps = ", self.frame_count / (elapsed.seconds + (float(elapsed.microseconds) / 1000000)))
'''
print("Stopped capture: frames = %d, delta = %d, fps = %d" % \
(self.frame_count, elapsed.seconds + (float(elapsed.microseconds) / 1000000), \
self.frame_count / (elapsed.seconds + (float(elapsed.microseconds) / 1000000))))
# read header, confirms image is also ready to read
header = lst.get_header()
if header:
image_file = io.BytesIO(lst.get_latest_view())
incoming_image = Image.open(image_file)
frame_info = lst.get_frameinfo()
if options.gui == True :
# Correct display size if changed
if incoming_image and ((incoming_image.size)[0] != display.width):
if options.debug:
print("adjusted width from %d to %d" % (display.width, (incoming_image.size)[0]))
display.width = (incoming_image.size)[0]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
display.width, display.height)
if incoming_image and ((incoming_image.size)[1] != display.height):
if options.debug:
print("adjusted height from %d to %d" % (display.height, (incoming_image.size)[1]))
display.height = (incoming_image.size)[1]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
display.width, display.height)
# copy image to the display
if incoming_image:
image_copy = incoming_image.convert("RGB")
# draw frame info to image
if frame_info:
for x in range(len(frame_info)):
left = frame_info[x]['left'] * display.width / 10000
top = frame_info[x]['top'] * display.height / 10000
right = frame_info[x]['right'] * display.width / 10000
bottom = frame_info[x]['bottom'] * display.height / 10000
dr = ImageDraw.Draw(image_copy)
dr.line((left, top, left, bottom), fill="white", width=3)
dr.line((right, top, right, bottom), fill="white", width=3)
dr.line((left, top, right, top), fill="white", width=3)
dr.line((left, bottom, right, bottom), fill="white", width=3)
display.copy_to_offscreen(image_copy)
if options.debug and header:
common = common_header(header)
print("Frame: %d, %d, %s" % (common['sequence_number'], common['time_stamp'], datetime.datetime.now()))
# count frames
self.frame_count = self.frame_count + 1
# handle events
if self.event_start_stream.isSet():
if self.photomode == True:
camera.actTakePicture()
else:
camera.startMovieRec()
self.event_start_stream.clear()
if self.event_stop_stream.isSet():
camera.stopMovieRec()
self.event_stop_stream.clear()
# give OS a breather
#time.sleep(0.01)
# declare that we're done...
self.event_terminated.set()
self.event_terminate.clear()
pygame.HWSURFACE)
screen.set_alpha(None)
# Loop forever, or until user quits or presses 'ESC' key
pygame.event.set_allowed([pygame.QUIT, pygame.KEYDOWN])
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
done = True
# read next image
data = incoming.read(8)
common = common_header(data)
data = incoming.read(128)
if common['payload_type'] == 1:
payload = payload_header(data)
image_file = io.BytesIO(incoming.read(payload['jpeg_data_size']))
incoming_image = pygame.image.load(image_file).convert()
if options.zoom:
incoming_image = pygame.transform.scale(incoming_image, \
(infoObject.current_w, infoObject.current_h))
incoming.read(payload['padding_size'])
elif common['payload_type'] == 2:
frame_info = payload_header(data, 2)
if frame_info['jpeg_data_size']:
frame_sequence = common['sequence_number']
frame_data = incoming.read(frame_info['jpeg_data_size'])
def run(self):
global options, grabber, decoder, display, image_copy
if options.debug:
print "using LiveView grabber"
self.active = False
self.photomode = False
# grabber control signals
self.event_start_stream = threading.Event()
self.event_stop_stream = threading.Event()
self.event_stopped_stream = threading.Event()
self.event_terminate = threading.Event()
self.event_terminated = threading.Event()
# decoder control signals
self.event_decoding = threading.Event()
self.event_decoder_terminated = threading.Event()
# display control signals
self.lock_offscreen = threading.Semaphore()
# export to other threads
self.frame_count = 0
grabber = self
# Search for available camera
if options.debug:
print "searching for camera"
search = ControlPoint()
cameras = search.discover(1)
if len(cameras):
camera = SonyAPI(QX_ADDR=cameras[0])
else:
print "No camera found, aborting"
return
# Check if we need to do 'startRecMode'
mode = camera.getAvailableApiList()
# Need a better method to check for the presence of a camera
if type(mode) != dict:
print "No camera found, aborting"
display.terminate_clicked()
self.event_terminated.set()
return
# For those cameras which need it
if 'startRecMode' in (mode['result'])[0]:
camera.startRecMode()
time.sleep(5)
# and re-read capabilities
mode = camera.getAvailableApiList()
if options.debug:
print "Versions:", camera.getVersions()
print "API List:", mode
if 'setLiveviewFrameInfo' in (mode['result'])[0]:
if options.info:
camera.setLiveviewFrameInfo([{"frameInfo": True}])
else:
camera.setLiveviewFrameInfo([{"frameInfo": False}])
if 'getAvailableLiveviewSize' in (mode['result'])[0]:
if options.large and len(
(camera.getAvailableLiveviewSize()['result'])[0]) > 1:
incoming = camera.liveview(["L"])
else:
incoming = camera.liveview()
else:
incoming = camera.liveview()
incoming_image = None
frame_sequence = None
frame_info = None
frame_data = None
# Ensure that we're in correct mode (movie by default)
mode = camera.getAvailableShootMode()
if type(mode) == dict:
if options.still:
if (mode['result'])[0] != 'still':
if 'still' in (mode['result'])[1]:
camera.setShootMode(["still"])
self.photomode = True
else:
self.photomode = True
else:
if (mode['result'])[0] != 'movie':
if 'movie' in (mode['result'])[1]:
camera.setShootMode(["movie"])
else:
self.photomode = True
while not self.event_terminate.isSet():
# Handle events from the camera (record start/stop)
if self.frame_count % 50 == 0:
mode = camera.getEvent(["false"])
else:
mode = None
if mode and type(mode) == dict:
status = mode['result'][1]
if self.active == False and status[
'cameraStatus'] == 'MovieRecording':
self.frame_count = 0
self.start_time = datetime.datetime.now()
self.active = True
if options.debug:
print "started capture", self.start_time
elif self.active == True and status['cameraStatus'] == 'IDLE':
self.active = False
self.end_time = datetime.datetime.now()
if options.debug:
elapsed = self.end_time - self.start_time
print "Stopped capture: frames = ", self.frame_count,
print ", delta = ", elapsed.seconds + (
float(elapsed.microseconds) / 1000000),
print ", fps = ", self.frame_count / (
elapsed.seconds +
(float(elapsed.microseconds) / 1000000))
# read next image
data = incoming.read(8)
common = common_header(data)
data = incoming.read(128)
if common['payload_type'] == 1:
payload = payload_header(data)
image_file = io.BytesIO(
incoming.read(payload['jpeg_data_size']))
incoming_image = Image.open(image_file)
incoming.read(payload['padding_size'])
elif common['payload_type'] == 2:
frame_info = payload_header(data, 2)
if frame_info['jpeg_data_size']:
frame_sequence = common['sequence_number']
frame_data = incoming.read(frame_info['jpeg_data_size'])
incoming.read(frame_info['padding_size'])
if options.gui == True:
# Correct display size if changed
if incoming_image and (
(incoming_image.size)[0] != display.width):
if options.debug:
print "adjusted width from", display.width, "to", (
incoming_image.size)[0]
display.width = (incoming_image.size)[0]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
False, 8, display.width,
display.height)
if incoming_image and (
(incoming_image.size)[1] != display.height):
if options.debug:
print "adjusted height from", display.height, "to", (
incoming_image.size)[1]
display.height = (incoming_image.size)[1]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
False, 8, display.width,
display.height)
# copy image to the display
if incoming_image:
image_copy = incoming_image.convert("RGB")
# only recent frame info to image
if frame_info and frame_sequence >= common['sequence_number']-1 \
and frame_info['jpeg_data_size']:
for x in range(frame_info['frame_count']):
x = x * frame_info['frame_size']
(left, top, right,
bottom) = struct.unpack(">HHHH",
frame_data[x:x + 8])
left = left * display.width / 10000
top = top * display.height / 10000
right = right * display.width / 10000
bottom = bottom * display.height / 10000
dr = ImageDraw.Draw(image_copy)
dr.line((left, top, left, bottom),
fill="white",
width=3)
dr.line((right, top, right, bottom),
fill="white",
width=3)
dr.line((left, top, right, top),
fill="white",
width=3)
dr.line((left, bottom, right, bottom),
fill="white",
width=3)
display.copy_to_offscreen(image_copy)
if options.debug:
print "Frame:", common['sequence_number'], common[
'time_stemp'], datetime.datetime.now()
# count frames
self.frame_count = self.frame_count + 1
# handle events
if self.event_start_stream.isSet():
if self.photomode == True:
camera.actTakePicture()
else:
camera.startMovieRec()
self.event_start_stream.clear()
if self.event_stop_stream.isSet():
camera.stopMovieRec()
self.event_stop_stream.clear()
# give OS a breather
#time.sleep(0.01)
# declare that we're done...
self.event_terminated.set()
self.event_terminate.clear()
# Loop forever, or until user quits or presses 'ESC' key
pygame.event.set_allowed([pygame.QUIT, pygame.KEYDOWN])
rate = rate_eval()
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
done = True
# read next image
data = incoming.read(8)
common = common_header(data)
data = incoming.read(128)
if common['payload_type']==1:
payload = payload_header(data)
image_file = io.BytesIO(incoming.read(payload['jpeg_data_size']))
# Check display rate is better than capture rate
# only really needed on slow computers (ie. Raspberry Pi)
if rate.too_slow(common['time_stamp']):
incoming.read(payload['padding_size'])
continue
incoming_image = pygame.image.load(image_file).convert()
if options.zoom:
incoming_image = pygame.transform.scale(incoming_image, \
def run(self):
global options, grabber, decoder, display, image_copy
if options.debug:
print "using LiveView grabber"
self.active = False
self.photomode = False
# grabber control signals
self.event_start_stream = threading.Event()
self.event_stop_stream = threading.Event()
self.event_stopped_stream = threading.Event()
self.event_terminate = threading.Event()
self.event_terminated = threading.Event()
# decoder control signals
self.event_decoding = threading.Event()
self.event_decoder_terminated = threading.Event()
# display control signals
self.lock_offscreen = threading.Semaphore()
# export to other threads
self.frame_count = 0
grabber = self
# Search for available camera
if options.debug:
print "searching for camera"
search = ControlPoint()
cameras = search.discover(1)
if len(cameras):
camera = SonyAPI(QX_ADDR=cameras[0])
else:
print "No camera found, aborting"
return
# Check if we need to do 'startRecMode'
mode = camera.getAvailableApiList()
# Need a better method to check for the presence of a camera
if type(mode) != dict:
print "No camera found, aborting"
display.terminate_clicked()
self.event_terminated.set()
return
# For those cameras which need it
if "startRecMode" in (mode["result"])[0]:
camera.startRecMode()
time.sleep(5)
# and re-read capabilities
mode = camera.getAvailableApiList()
if options.debug:
print "Versions:", camera.getVersions()
print "API List:", mode
if "setLiveviewFrameInfo" in (mode["result"])[0]:
if options.info:
camera.setLiveviewFrameInfo([{"frameInfo": True}])
else:
camera.setLiveviewFrameInfo([{"frameInfo": False}])
if "getAvailableLiveviewSize" in (mode["result"])[0]:
if options.large and len((camera.getAvailableLiveviewSize()["result"])[0]) > 1:
incoming = camera.liveview(["L"])
else:
incoming = camera.liveview()
else:
incoming = camera.liveview()
incoming_image = None
frame_sequence = None
frame_info = None
frame_data = None
# Ensure that we're in correct mode (movie by default)
mode = camera.getAvailableShootMode()
if type(mode) == dict:
if options.still:
if (mode["result"])[0] != "still":
if "still" in (mode["result"])[1]:
camera.setShootMode(["still"])
self.photomode = True
else:
self.photomode = True
else:
if (mode["result"])[0] != "movie":
if "movie" in (mode["result"])[1]:
camera.setShootMode(["movie"])
else:
self.photomode = True
while not self.event_terminate.isSet():
# Handle events from the camera (record start/stop)
if self.frame_count % 50 == 0:
mode = camera.getEvent(["false"])
else:
mode = None
if mode and type(mode) == dict:
status = mode["result"][1]
if self.active == False and status["cameraStatus"] == "MovieRecording":
self.frame_count = 0
self.start_time = datetime.datetime.now()
self.active = True
if options.debug:
print "started capture", self.start_time
elif self.active == True and status["cameraStatus"] == "IDLE":
self.active = False
self.end_time = datetime.datetime.now()
if options.debug:
elapsed = self.end_time - self.start_time
print "Stopped capture: frames = ", self.frame_count,
print ", delta = ", elapsed.seconds + (float(elapsed.microseconds) / 1000000),
print ", fps = ", self.frame_count / (elapsed.seconds + (float(elapsed.microseconds) / 1000000))
# read next image
data = incoming.read(8)
common = common_header(data)
data = incoming.read(128)
if common["payload_type"] == 1:
payload = payload_header(data)
image_file = io.BytesIO(incoming.read(payload["jpeg_data_size"]))
incoming_image = Image.open(image_file)
incoming.read(payload["padding_size"])
elif common["payload_type"] == 2:
frame_info = payload_header(data, 2)
if frame_info["jpeg_data_size"]:
frame_sequence = common["sequence_number"]
frame_data = incoming.read(frame_info["jpeg_data_size"])
incoming.read(frame_info["padding_size"])
if options.gui == True:
# Correct display size if changed
if incoming_image and ((incoming_image.size)[0] != display.width):
if options.debug:
print "adjusted width from", display.width, "to", (incoming_image.size)[0]
display.width = (incoming_image.size)[0]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, display.width, display.height)
if incoming_image and ((incoming_image.size)[1] != display.height):
if options.debug:
print "adjusted height from", display.height, "to", (incoming_image.size)[1]
display.height = (incoming_image.size)[1]
display.offscreen = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, display.width, display.height)
# copy image to the display
if incoming_image:
image_copy = incoming_image.convert("RGB")
# only recent frame info to image
if frame_info and frame_sequence >= common["sequence_number"] - 1 and frame_info["jpeg_data_size"]:
for x in range(frame_info["frame_count"]):
x = x * frame_info["frame_size"]
(left, top, right, bottom) = struct.unpack(">HHHH", frame_data[x : x + 8])
left = left * display.width / 10000
top = top * display.height / 10000
right = right * display.width / 10000
bottom = bottom * display.height / 10000
dr = ImageDraw.Draw(image_copy)
dr.line((left, top, left, bottom), fill="white", width=3)
dr.line((right, top, right, bottom), fill="white", width=3)
dr.line((left, top, right, top), fill="white", width=3)
dr.line((left, bottom, right, bottom), fill="white", width=3)
display.copy_to_offscreen(image_copy)
if options.debug:
print "Frame:", common["sequence_number"], common["time_stemp"], datetime.datetime.now()
# count frames
self.frame_count = self.frame_count + 1
# handle events
if self.event_start_stream.isSet():
if self.photomode == True:
camera.actTakePicture()
else:
camera.startMovieRec()
self.event_start_stream.clear()
if self.event_stop_stream.isSet():
camera.stopMovieRec()
self.event_stop_stream.clear()
# give OS a breather
# time.sleep(0.01)
# declare that we're done...
self.event_terminated.set()
self.event_terminate.clear()
