def on_message(client, userdata, msg):
if msg.topic not in [MQTT_TOPIC, MQTT_TOPIC2]:
return
if msg.topic == MQTT_TOPIC:
image = byte_array_to_pil_image(msg.payload)
image = image.convert("RGB")
viewer.image(image, width=VIEWER_WIDTH)
elif msg.topic == MQTT_TOPIC2:
image = byte_array_to_pil_image(msg.payload)
image = image.convert("RGB")
viewer2.image(image, width=VIEWER_WIDTH)
def on_message(client, userdata, msg):
now = get_now_string()
print("message on " + str(msg.topic) + f" at {now}")
try:
image = byte_array_to_pil_image(msg.payload)
image = image.convert("RGB")
save_file_path = CAPTURES_DIRECTORY + f"capture_{now}.jpg"
image.save(save_file_path)
# Additional code to save thumbnail to db
db_conn = sqlite_connect(DB)
cursor = db_conn.cursor()
db_insert_blob = """
INSERT INTO {table_name} (name, data) VALUES (?, ?)
""".format(table_name=DB_TABLE)
image.thumbnail(size=THUMBNAIL_SIZE)
binary_data = pil_image_to_byte_array(image)
data_tuple = (save_file_path, binary_data)
# Execute the query
cursor.execute(db_insert_blob, data_tuple)
db_conn.commit()
print(f"Saved {save_file_path} and inserted to db")
cursor.close()
except Exception as exc:
print(exc)
def on_message(client, userdata, msg):
now = get_now_string()
print("message on " + str(msg.topic) + f" at {now}")
try:
image = byte_array_to_pil_image(msg.payload) # PIL image
image = image.rotate(ROTATE_ANGLE) # Apply rotation
byte_array = pil_image_to_byte_array(image)
client.publish(MQTT_PUBLISH_TOPIC, byte_array, qos=MQTT_QOS)
print(f"published processed frame on topic: {MQTT_PUBLISH_TOPIC} at {now}")
except Exception as exc:
print(exc)
def on_message(client, userdata, msg):
now = get_now_string()
print("message on " + str(msg.topic) + f" at {now}")
try:
image = byte_array_to_pil_image(msg.payload)
image = image.convert("RGB")
save_file_path = CAPTURES_DIRECTORY + f"capture_{now}.jpg"
image.save(save_file_path)
print(f"Saved {save_file_path}")
except Exception as exc:
print(exc)