forked from cmnybo/nrsc5-gui
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nrsc5_gui.py
executable file
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nrsc5_gui.py
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#!/usr/bin/env python3
# NRSC5 GUI - A graphical interface for nrsc5
# Copyright (C) 2017-2019 Cody Nybo & Clayton Smith
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import glob
import io
import json
import logging
import math
import os
import queue
import re
import sys
import threading
import time
from datetime import datetime, timezone
from PIL import Image, ImageFont, ImageDraw
import pyaudio
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk, GObject, Gdk, GdkPixbuf, GLib
import nrsc5
class NRSC5GUI(object):
AUDIO_SAMPLE_RATE = 44100
AUDIO_SAMPLES_PER_FRAME = 2048
MAP_FILE = "map.png"
VERSION = "2.0.0"
log_level = 20 # decrease to 10 to enable debug logs
def __init__(self):
logging.basicConfig(level=self.log_level,
format="%(asctime)s %(levelname)-5s %(filename)s:%(lineno)d: %(message)s",
datefmt="%H:%M:%S")
GObject.threads_init()
self.get_controls() # get controls and windows
self.init_stream_info() # initilize stream info and clear status widgets
self.radio = None
self.audio_queue = queue.Queue(maxsize=64)
self.audio_thread = threading.Thread(target=self.audio_worker)
self.playing = False
self.status_timer = None
self.image_changed = False
self.xhdr_changed = False
self.last_image = ""
self.last_xhdr = ""
self.station_str = "" # current station frequency (string)
self.stream_num = 0
self.bookmarks = []
self.station_logos = {}
self.bookmarked = False
self.map_viewer = None
self.weather_maps = [] # list of current weathermaps sorted by time
self.traffic_map = Image.new("RGB", (600, 600), "white")
self.map_tiles = [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
self.map_data = {
"map_mode": 1,
"weather_time": 0,
"weather_pos": [0, 0, 0, 0],
"weather_now": "",
"weather_id": "",
"viewer_config": {
"mode": 1,
"animate": False,
"scale": True,
"window_pos": (0, 0),
"window_size": (782, 632),
"animation_speed": 0.5
}
}
# setup bookmarks listview
name_renderer = Gtk.CellRendererText()
name_renderer.set_property("editable", True)
name_renderer.connect("edited", self.on_bookmark_name_edited)
col_station = Gtk.TreeViewColumn("Station", Gtk.CellRendererText(), text=0)
col_name = Gtk.TreeViewColumn("Name", name_renderer, text=1)
col_station.set_resizable(True)
col_station.set_sort_column_id(2)
col_name.set_resizable(True)
col_name.set_sort_column_id(1)
self.lv_bookmarks.append_column(col_station)
self.lv_bookmarks.append_column(col_name)
self.load_settings()
self.process_weather_maps()
self.audio_thread.start()
def display_logo(self):
if self.station_str in self.station_logos:
# show station logo if it's cached
logo = os.path.join(self.aas_dir, self.station_logos[self.station_str][self.stream_num])
if os.path.isfile(logo):
self.stream_info["logo"] = self.station_logos[self.station_str][self.stream_num]
pixbuf = GdkPixbuf.Pixbuf.new_from_file(logo)
pixbuf = pixbuf.scale_simple(200, 200, GdkPixbuf.InterpType.HYPER)
self.img_cover.set_from_pixbuf(pixbuf)
else:
# add entry in database for the station if it doesn't exist
self.station_logos[self.station_str] = ["", "", "", ""]
def on_btn_play_clicked(self, _btn):
"""start playback"""
if not self.playing:
# update all of the spin buttons to prevent the text from sticking
self.spin_freq.update()
self.spin_stream.update()
self.spin_gain.update()
self.spin_ppm.update()
self.spin_rtl.update()
# start the timer
self.status_timer = threading.Timer(1, self.check_status)
self.status_timer.start()
# disable the controls
self.spin_freq.set_sensitive(False)
self.spin_gain.set_sensitive(False)
self.spin_ppm.set_sensitive(False)
self.spin_rtl.set_sensitive(False)
self.btn_play.set_sensitive(False)
self.btn_stop.set_sensitive(True)
self.cb_auto_gain.set_sensitive(False)
self.playing = True
self.last_xhdr = ""
self.play()
self.station_str = str(self.spin_freq.get_value())
self.stream_num = int(self.spin_stream.get_value())-1
self.display_logo()
# check if station is bookmarked
self.bookmarked = False
freq = int((self.spin_freq.get_value()+0.005)*100) + int(self.spin_stream.get_value())
for bookmark in self.bookmarks:
if bookmark[2] == freq:
self.bookmarked = True
break
self.btn_bookmark.set_sensitive(not self.bookmarked)
if self.notebook_main.get_current_page() != 3:
self.btn_delete.set_sensitive(self.bookmarked)
def on_btn_stop_clicked(self, _btn):
"""stop playback"""
if self.playing:
self.playing = False
# shutdown nrsc5
if self.radio:
self.radio.stop()
self.radio.close()
self.radio = None
# stop timer
self.status_timer.cancel()
self.status_timer = None
# enable controls
if not self.cb_auto_gain.get_active():
self.spin_gain.set_sensitive(True)
self.spin_freq.set_sensitive(True)
self.spin_ppm.set_sensitive(True)
self.spin_rtl.set_sensitive(True)
self.btn_play.set_sensitive(True)
self.btn_stop.set_sensitive(False)
self.btn_bookmark.set_sensitive(False)
self.cb_auto_gain.set_sensitive(True)
# clear stream info
self.init_stream_info()
self.btn_bookmark.set_sensitive(False)
if self.notebook_main.get_current_page() != 3:
self.btn_delete.set_sensitive(False)
def on_btn_bookmark_clicked(self, _btn):
# pack frequency and channel number into one int
freq = int((self.spin_freq.get_value()+0.005)*100) + int(self.spin_stream.get_value())
# create bookmark
bookmark = [
"{:4.1f}-{:1.0f}".format(self.spin_freq.get_value(), self.spin_stream.get_value()),
self.stream_info["callsign"],
freq
]
self.bookmarked = True
self.bookmarks.append(bookmark)
self.ls_bookmarks.append(bookmark)
self.btn_bookmark.set_sensitive(False)
if self.notebook_main.get_current_page() != 3:
self.btn_delete.set_sensitive(True)
def on_btn_delete_clicked(self, _btn):
# select current station if not on bookmarks page
if self.notebook_main.get_current_page() != 3:
station = int((self.spin_freq.get_value()+0.005)*100) + int(self.spin_stream.get_value())
for i in range(len(self.ls_bookmarks)):
if self.ls_bookmarks[i][2] == station:
self.lv_bookmarks.set_cursor(i)
break
# get station of selected row
model, tree_iter = self.lv_bookmarks.get_selection().get_selected()
station = model.get_value(tree_iter, 2)
# remove row
model.remove(tree_iter)
# remove bookmark
for i in range(len(self.bookmarks)):
if self.bookmarks[i][2] == station:
self.bookmarks.pop(i)
break
if self.notebook_main.get_current_page() != 3 and self.playing:
self.btn_bookmark.set_sensitive(True)
self.bookmarked = False
def on_btn_about_activate(self, _btn):
"""sets up and displays about dialog"""
if self.about_dialog:
self.about_dialog.present()
return
authors = [
"Cody Nybo <cmnybo@gmail.com>",
"Clayton Smith <argilo@gmail.com>",
]
nrsc5_gui_license = """
NRSC5 GUI - A graphical interface for nrsc5
Copyright (C) 2017-2019 Cody Nybo & Clayton Smith
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>."""
about_dialog = Gtk.AboutDialog()
about_dialog.set_transient_for(self.main_window)
about_dialog.set_destroy_with_parent(True)
about_dialog.set_name("NRSC5 GUI")
about_dialog.set_version(self.VERSION)
about_dialog.set_copyright("Copyright © 2017-2019 Cody Nybo & Clayton Smith")
about_dialog.set_website("https://github.com/cmnybo/nrsc5-gui")
about_dialog.set_comments("A graphical interface for nrsc5.")
about_dialog.set_authors(authors)
about_dialog.set_license(nrsc5_gui_license)
about_dialog.set_logo(GdkPixbuf.Pixbuf.new_from_file("logo.png"))
# callbacks for destroying the dialog
def close(dialog, _response, editor):
editor.about_dialog = None
dialog.destroy()
def delete_event(_dialog, _event, editor):
editor.about_dialog = None
return True
about_dialog.connect("response", close, self)
about_dialog.connect("delete-event", delete_event, self)
self.about_dialog = about_dialog
about_dialog.show()
def on_spin_stream_value_changed(self, _spin):
self.last_xhdr = ""
self.stream_info["title"] = ""
self.stream_info["album"] = ""
self.stream_info["artist"] = ""
self.stream_info["cover"] = ""
self.stream_info["logo"] = ""
self.stream_info["bitrate"] = 0
self.stream_num = int(self.spin_stream.get_value())-1
if self.playing:
self.display_logo()
def on_cb_auto_gain_toggled(self, btn):
self.spin_gain.set_sensitive(not btn.get_active())
self.lbl_gain.set_visible(btn.get_active())
def on_lv_bookmarks_row_activated(self, treeview, path, _view_column):
if path:
# get station from bookmark row
tree_iter = treeview.get_model().get_iter(path[0])
station = treeview.get_model().get_value(tree_iter, 2)
# set frequency and stream
self.spin_freq.set_value(float(int(station/10)/10.0))
self.spin_stream.set_value(station % 10)
# stop playback if playing
if self.playing:
self.on_btn_stop_clicked(None)
# play bookmarked station
self.on_btn_play_clicked(None)
def on_lv_bookmarks_sel_changed(self, _tree_selection):
# enable delete button if bookmark is selected
_, pathlist = self.lv_bookmarks.get_selection().get_selected_rows()
self.btn_delete.set_sensitive(len(pathlist) != 0)
def on_bookmark_name_edited(self, _cell, path, text, _data=None):
# update name in listview
tree_iter = self.ls_bookmarks.get_iter(path)
self.ls_bookmarks.set(tree_iter, 1, text)
# update name in bookmarks array
for bookmark in self.bookmarks:
if bookmark[2] == self.ls_bookmarks[path][2]:
bookmark[1] = text
break
def on_notebook_main_switch_page(self, _notebook, _page, page_num):
# disable delete button if not on bookmarks page and station is not bookmarked
if page_num != 3 and (not self.bookmarked or not self.playing):
self.btn_delete.set_sensitive(False)
# enable delete button if not on bookmarks page and station is bookmarked
elif page_num != 3 and self.bookmarked:
self.btn_delete.set_sensitive(True)
# enable delete button if on bookmarks page and a bookmark is selected
else:
_, tree_iter = self.lv_bookmarks.get_selection().get_selected()
self.btn_delete.set_sensitive(tree_iter is not None)
def on_rad_map_toggled(self, btn):
if btn.get_active():
if btn == self.rad_map_traffic:
self.map_data["map_mode"] = 0
map_file = os.path.join("map", "traffic_map.png")
if os.path.isfile(map_file):
map_img = Image.open(map_file).resize((200, 200), Image.LANCZOS)
self.img_map.set_from_pixbuf(img_to_pixbuf(map_img))
else:
self.img_map.set_from_stock(Gtk.STOCK_MISSING_IMAGE, Gtk.IconSize.LARGE_TOOLBAR)
elif btn == self.rad_map_weather:
self.map_data["map_mode"] = 1
if os.path.isfile(self.map_data["weather_now"]):
map_img = Image.open(self.map_data["weather_now"]).resize((200, 200), Image.LANCZOS)
self.img_map.set_from_pixbuf(img_to_pixbuf(map_img))
else:
self.img_map.set_from_stock(Gtk.STOCK_MISSING_IMAGE, Gtk.IconSize.LARGE_TOOLBAR)
def on_btn_map_clicked(self, _btn):
"""open map viewer window"""
if self.map_viewer is None:
self.map_viewer = NRSC5Map(self, self.map_viewer_callback, self.map_data)
self.map_viewer.map_window.show()
def map_viewer_callback(self):
"""delete the map viewer"""
self.map_viewer = None
def play(self):
self.radio = nrsc5.NRSC5(lambda type, evt: self.callback(type, evt))
self.radio.open(int(self.spin_rtl.get_value()))
self.radio.set_auto_gain(self.cb_auto_gain.get_active())
self.radio.set_freq_correction(int(self.spin_ppm.get_value()))
# set gain if auto gain is not selected
if not self.cb_auto_gain.get_active():
self.stream_info["gain"] = self.spin_gain.get_value()
self.radio.set_gain(self.stream_info["gain"])
self.radio.set_frequency(self.spin_freq.get_value() * 1e6)
self.radio.start()
def check_status(self):
"""update status information"""
def update():
Gdk.threads_enter()
try:
image_path = ""
image = ""
ber = [self.stream_info["ber"][i]*100 for i in range(4)]
self.txt_title.set_text(self.stream_info["title"])
self.txt_artist.set_text(self.stream_info["artist"])
self.txt_album.set_text(self.stream_info["album"])
self.lbl_bitrate.set_label("{:3.1f} kbps".format(self.stream_info["bitrate"]))
self.lbl_bitrate2.set_label("{:3.1f} kbps".format(self.stream_info["bitrate"]))
self.lbl_error.set_label("{:2.2f}% Error ".format(ber[1]))
self.lbl_callsign.set_label(" " + self.stream_info["callsign"])
self.lbl_name.set_label(self.stream_info["callsign"])
self.lbl_slogan.set_label(self.stream_info["slogan"])
self.lbl_slogan.set_tooltip_text(self.stream_info["slogan"])
self.lbl_mer_lower.set_label("{:1.2f} dB".format(self.stream_info["mer"][0]))
self.lbl_mer_upper.set_label("{:1.2f} dB".format(self.stream_info["mer"][1]))
self.lbl_ber_now.set_label("{:1.3f}% (Now)".format(ber[0]))
self.lbl_ber_avg.set_label("{:1.3f}% (Avg)".format(ber[1]))
self.lbl_ber_min.set_label("{:1.3f}% (Min)".format(ber[2]))
self.lbl_ber_max.set_label("{:1.3f}% (Max)".format(ber[3]))
if self.cb_auto_gain.get_active():
self.spin_gain.set_value(self.stream_info["gain"])
self.lbl_gain.set_label("{:2.1f}dB".format(self.stream_info["gain"]))
if self.last_xhdr == 0:
image_path = os.path.join(self.aas_dir, self.stream_info["cover"])
image = self.stream_info["cover"]
elif self.last_xhdr == 1:
image_path = os.path.join(self.aas_dir, self.stream_info["logo"])
image = self.stream_info["logo"]
if not os.path.isfile(image_path):
self.img_cover.clear()
# resize and display image if it changed and exists
if self.xhdr_changed and self.last_image != image and os.path.isfile(image_path):
self.xhdr_changed = False
self.last_image = image
pixbuf = GdkPixbuf.Pixbuf.new_from_file(image_path)
pixbuf = pixbuf.scale_simple(200, 200, GdkPixbuf.InterpType.HYPER)
self.img_cover.set_from_pixbuf(pixbuf)
logging.debug("Image changed")
finally:
Gdk.threads_leave()
if self.playing:
GObject.idle_add(update)
self.status_timer = threading.Timer(1, self.check_status)
self.status_timer.start()
def process_traffic_map(self, filename, data):
regex = re.compile(r"^TMT_.*_([1-3])_([1-3])_(\d{8}_\d{4}).*$")
match = regex.match(filename)
if match:
tile_x = int(match.group(1))-1
tile_y = int(match.group(2))-1
utc_time = datetime.strptime(match.group(3), "%Y%m%d_%H%M").replace(tzinfo=timezone.utc)
timestamp = int(utc_time.timestamp())
# check if the tile has already been loaded
if self.map_tiles[tile_x][tile_y] == timestamp:
return # no need to recreate the map if it hasn't changed
logging.debug("Got traffic map tile: %s, %s", tile_x, tile_y)
self.map_tiles[tile_x][tile_y] = timestamp
self.traffic_map.paste(Image.open(io.BytesIO(data)), (tile_y*200, tile_x*200))
# check if all of the tiles are loaded
if self.check_tiles(timestamp):
logging.debug("Got complete traffic map")
self.traffic_map.save(os.path.join("map", "traffic_map.png"))
# display on map page
if self.rad_map_traffic.get_active():
img_map = self.traffic_map.resize((200, 200), Image.LANCZOS)
self.img_map.set_from_pixbuf(img_to_pixbuf(img_map))
if self.map_viewer is not None:
self.map_viewer.updated()
def process_weather_overlay(self, filename, data):
regex = re.compile(r"^DWRO_(.*)_.*_(\d{8}_\d{4}).*$")
match = regex.match(filename)
if match:
utc_time = datetime.strptime(match.group(2), "%Y%m%d_%H%M").replace(tzinfo=timezone.utc)
timestamp = int(utc_time.timestamp())
map_id = self.map_data["weather_id"]
if match.group(1) != map_id:
logging.error("Received weather overlay with the wrong ID: %s", match.group(1))
return
if self.map_data["weather_time"] == timestamp:
return # no need to recreate the map if it hasn't changed
logging.debug("Got weather overlay")
self.map_data["weather_time"] = timestamp
weather_map_path = os.path.join("map", "weather_map_{}_{}.png".format(map_id, timestamp))
# create weather map
try:
map_path = os.path.join("map", "base_map_" + map_id + ".png")
if not os.path.isfile(map_path):
self.make_base_map(self.map_data["weather_id"], self.map_data["weather_pos"])
img_map = Image.open(map_path).convert("RGBA")
timestamp_pos = (img_map.size[0]-235, img_map.size[1]-29)
img_ts = self.make_timestamp(utc_time.astimezone(), img_map.size, timestamp_pos)
img_radar = Image.open(io.BytesIO(data)).convert("RGBA")
img_radar = img_radar.resize(img_map.size, Image.LANCZOS)
img_map = Image.alpha_composite(img_map, img_radar)
img_map = Image.alpha_composite(img_map, img_ts)
img_map.save(weather_map_path)
self.map_data["weather_now"] = weather_map_path
# display on map page
if self.rad_map_weather.get_active():
img_map = img_map.resize((200, 200), Image.LANCZOS)
self.img_map.set_from_pixbuf(img_to_pixbuf(img_map))
self.process_weather_maps() # get rid of old maps and add new ones to the list
if self.map_viewer is not None:
self.map_viewer.updated()
except OSError:
logging.error("Error creating weather map")
self.map_data["weather_time"] = 0
def process_weather_info(self, data):
weather_id = None
weather_pos = None
for line in data.decode().split("\n"):
if "DWR_Area_ID=" in line:
regex = re.compile("^DWR_Area_ID=\"(.+)\"$")
match = regex.match(line)
weather_id = match.group(1)
elif "Coordinates=" in line:
regex = re.compile(r"^Coordinates=.*\((.*),(.*)\).*\((.*),(.*)\).*$")
match = regex.match(line)
weather_pos = [float(match.group(i)) for i in range(1, 5)]
if weather_id is not None and weather_pos is not None:
if self.map_data["weather_id"] != weather_id or self.map_data["weather_pos"] != weather_pos:
logging.debug("Got position: (%n, %n) (%n, %n)", *weather_pos)
self.map_data["weather_id"] = weather_id
self.map_data["weather_pos"] = weather_pos
self.make_base_map(weather_id, weather_pos)
self.weather_maps = []
self.process_weather_maps()
def process_weather_maps(self):
number_of_maps = 0
regex = re.compile("^map.weather_map_([a-zA-Z0-9]+)_([0-9]+).png")
now = time.time()
files = glob.glob(os.path.join("map", "weather_map_") + "*.png")
files.sort()
for file in files:
match = regex.match(file)
if match:
map_id = match.group(1)
timestamp = int(match.group(2))
# remove weather maps older than 24 hours
if now - timestamp > 60*60*24:
try:
if file in self.weather_maps:
self.weather_maps.pop(self.weather_maps.index(file))
os.remove(file)
logging.debug("Deleted old weather map: %s", file)
except OSError:
logging.error("Failed to delete old weather map: %s", file)
# skip if not the correct location
elif map_id == self.map_data["weather_id"]:
if file not in self.weather_maps:
self.weather_maps.append(file)
number_of_maps += 1
logging.debug("Found %s weather maps", number_of_maps)
@staticmethod
def map_image_coordinates(lat_degrees, lon_degrees):
"""convert latitude & longitude to x & y cooordinates in the map"""
first_tile_x, first_tile_y = 35, 84
zoom_level = 8
tile_size = 256
map_x = (1 + math.radians(lon_degrees) / math.pi) / 2
map_y = (1 - math.asinh(math.tan(math.radians(lat_degrees))) / math.pi) / 2
tile_x = map_x * (2**zoom_level) - first_tile_x
tile_y = map_y * (2**zoom_level) - first_tile_y
return int(round(tile_x * tile_size)), int(round(tile_y * tile_size))
def make_base_map(self, map_id, pos):
"""crop the map to the area needed for weather radar"""
map_path = os.path.join("map", "base_map_" + map_id + ".png")
if os.path.isfile(self.MAP_FILE):
if not os.path.isfile(map_path):
logging.debug("Creating new map: %s", map_path)
map_upper_left = self.map_image_coordinates(pos[0], pos[1])
map_lower_right = self.map_image_coordinates(pos[2], pos[3])
map_img = Image.open(self.MAP_FILE).crop(map_upper_left + map_lower_right)
map_img.save(map_path)
logging.debug("Finished creating map")
else:
logging.error("Map file not found: %s", self.MAP_FILE)
map_img = Image.new("RGBA", (pos[2]-pos[1], pos[3]-pos[1]), "white")
map_img.save(map_path)
def check_tiles(self, timestamp):
"""check if all the tiles have been received"""
for i in range(3):
for j in range(3):
if self.map_tiles[i][j] != timestamp:
return False
return True
@staticmethod
def make_timestamp(local_time, size, pos):
"""create a timestamp image to overlay on the weathermap"""
pos_x, pos_y = pos
text = datetime.strftime(local_time, "%Y-%m-%d %H:%M")
img_ts = Image.new("RGBA", size, (0, 0, 0, 0))
draw = ImageDraw.Draw(img_ts)
font = ImageFont.truetype("DejaVuSansMono.ttf", 24)
draw.rectangle((pos_x, pos_y, pos_x+231, pos_y+25), outline="black", fill=(128, 128, 128, 96))
draw.text((pos_x+3, pos_y), text, fill="black", font=font)
return img_ts
def audio_worker(self):
audio = pyaudio.PyAudio()
try:
index = audio.get_default_output_device_info()["index"]
stream = audio.open(format=pyaudio.paInt16,
channels=2,
rate=self.AUDIO_SAMPLE_RATE,
output_device_index=index,
output=True)
except OSError:
logging.warning("No audio output device available")
stream = None
while True:
samples = self.audio_queue.get()
if samples is None:
break
if stream:
stream.write(samples)
self.audio_queue.task_done()
if stream:
stream.stop_stream()
stream.close()
audio.terminate()
def update_bitrate(self, bits):
kbps = bits * self.AUDIO_SAMPLE_RATE / self.AUDIO_SAMPLES_PER_FRAME / 1000
if self.stream_info["bitrate"] == 0:
self.stream_info["bitrate"] = kbps
else:
self.stream_info["bitrate"] = 0.99 * self.stream_info["bitrate"] + 0.01 * kbps
def update_ber(self, cber):
ber = self.stream_info["ber"]
if ber[0] == ber[1] == ber[2] == ber[3] == 0:
ber[0] = cber
ber[1] = cber
ber[2] = cber
ber[3] = cber
else:
ber[0] = cber
ber[1] = 0.9 * ber[1] + 0.1 * cber
if cber < ber[2]:
ber[2] = cber
if cber > ber[3]:
ber[3] = cber
def callback(self, evt_type, evt):
if evt_type == nrsc5.EventType.LOST_DEVICE:
pass # TODO: update the GUI?
elif evt_type == nrsc5.EventType.SYNC:
self.stream_info["gain"] = self.radio.get_gain()
# TODO: update the GUI?
elif evt_type == nrsc5.EventType.LOST_SYNC:
pass # TODO: update the GUI?
elif evt_type == nrsc5.EventType.MER:
self.stream_info["mer"] = [evt.lower, evt.upper]
elif evt_type == nrsc5.EventType.BER:
self.update_ber(evt.cber)
elif evt_type == nrsc5.EventType.HDC:
if evt.program == self.stream_num:
self.update_bitrate(len(evt.data) * 8)
elif evt_type == nrsc5.EventType.AUDIO:
if evt.program == self.stream_num:
self.audio_queue.put(evt.data)
elif evt_type == nrsc5.EventType.ID3:
if evt.program == self.stream_num:
if evt.title:
self.stream_info["title"] = evt.title
if evt.artist:
self.stream_info["artist"] = evt.artist
if evt.album:
self.stream_info["album"] = evt.album
if evt.xhdr:
if evt.xhdr.param != self.last_xhdr:
self.last_xhdr = evt.xhdr.param
self.xhdr_changed = True
logging.debug("XHDR changed: %s", evt.xhdr.param)
elif evt_type == nrsc5.EventType.SIG:
for service in evt:
if service.type == nrsc5.ServiceType.AUDIO:
for component in service.components:
if component.type == nrsc5.ComponentType.DATA:
if component.data.mime == nrsc5.MIMEType.PRIMARY_IMAGE:
self.streams[service.number-1]["image"] = component.data.port
elif component.data.mime == nrsc5.MIMEType.STATION_LOGO:
self.streams[service.number-1]["logo"] = component.data.port
elif service.type == nrsc5.ServiceType.DATA:
for component in service.components:
if component.type == nrsc5.ComponentType.DATA:
if component.data.mime == nrsc5.MIMEType.TTN_STM_TRAFFIC:
self.traffic_port = component.data.port
elif component.data.mime == nrsc5.MIMEType.TTN_STM_WEATHER:
self.weather_port = component.data.port
elif evt_type == nrsc5.EventType.LOT:
logging.debug("LOT port=%s", evt.port)
if self.map_dir is not None:
if evt.port == self.traffic_port:
if evt.name.startswith("TMT_"):
self.process_traffic_map(evt.name, evt.data)
elif evt.port == self.weather_port:
if evt.name.startswith("DWRO_"):
self.process_weather_overlay(evt.name, evt.data)
elif evt.name.startswith("DWRI_"):
self.process_weather_info(evt.data)
if self.aas_dir is not None:
path = os.path.join(self.aas_dir, evt.name)
for i, stream in enumerate(self.streams):
if evt.port == stream.get("image"):
logging.debug("Got album cover: %s", evt.name)
with open(path, "wb") as file:
file.write(evt.data)
if i == self.stream_num:
self.stream_info["cover"] = evt.name
elif evt.port == stream.get("logo"):
logging.debug("Got station logo: %s", evt.name)
with open(path, "wb") as file:
file.write(evt.data)
self.station_logos[self.station_str][i] = evt.name
if i == self.stream_num:
self.stream_info["logo"] = evt.name
elif evt_type == nrsc5.EventType.SIS:
if evt.name:
self.stream_info["callsign"] = evt.name
if evt.slogan:
self.stream_info["slogan"] = evt.slogan
def get_controls(self):
# setup gui
builder = Gtk.Builder()
builder.add_from_file("main_form.glade")
builder.connect_signals(self)
# Windows
self.main_window = builder.get_object("main_window")
self.main_window.connect("delete-event", self.shutdown)
self.main_window.connect("destroy", Gtk.main_quit)
self.about_dialog = None
# get controls
self.notebook_main = builder.get_object("notebook_main")
self.img_cover = builder.get_object("img_cover")
self.img_map = builder.get_object("img_map")
self.spin_freq = builder.get_object("spin_freq")
self.spin_stream = builder.get_object("spin_stream")
self.spin_gain = builder.get_object("spin_gain")
self.spin_ppm = builder.get_object("spin_ppm")
self.spin_rtl = builder.get_object("spin_rtl")
self.cb_auto_gain = builder.get_object("cb_auto_gain")
self.btn_play = builder.get_object("btn_play")
self.btn_stop = builder.get_object("btn_stop")
self.btn_bookmark = builder.get_object("btn_bookmark")
self.btn_delete = builder.get_object("btn_delete")
self.rad_map_traffic = builder.get_object("rad_map_traffic")
self.rad_map_weather = builder.get_object("rad_map_weather")
self.txt_title = builder.get_object("txt_title")
self.txt_artist = builder.get_object("txt_artist")
self.txt_album = builder.get_object("txt_album")
self.lbl_name = builder.get_object("lbl_name")
self.lbl_slogan = builder.get_object("lbl_slogan")
self.lbl_callsign = builder.get_object("lbl_callsign")
self.lbl_gain = builder.get_object("lbl_gain")
self.lbl_bitrate = builder.get_object("lbl_bitrate")
self.lbl_bitrate2 = builder.get_object("lbl_bitrate2")
self.lbl_error = builder.get_object("lbl_error")
self.lbl_mer_lower = builder.get_object("lbl_mer_lower")
self.lbl_mer_upper = builder.get_object("lbl_mer_upper")
self.lbl_ber_now = builder.get_object("lbl_ber_now")
self.lbl_ber_avg = builder.get_object("lbl_ber_avg")
self.lbl_ber_min = builder.get_object("lbl_ber_min")
self.lbl_ber_max = builder.get_object("lbl_ber_max")
self.lv_bookmarks = builder.get_object("lv_bookmarks")
self.ls_bookmarks = Gtk.ListStore(str, str, int)
self.lv_bookmarks.set_model(self.ls_bookmarks)
self.lv_bookmarks.get_selection().connect("changed", self.on_lv_bookmarks_sel_changed)
def init_stream_info(self):
self.stream_info = {
"callsign": "",
"slogan": "",
"title": "",
"album": "",
"artist": "",
"cover": "",
"logo": "",
"bitrate": 0,
"mer": [0, 0],
"ber": [0, 0, 0, 0],
"gain": 0
}
self.streams = [{}, {}, {}, {}]
self.traffic_port = -1
self.weather_port = -1
# clear status info
self.lbl_callsign.set_label("")
self.lbl_bitrate.set_label("")
self.lbl_bitrate2.set_label("")
self.lbl_error.set_label("")
self.lbl_gain.set_label("")
self.txt_title.set_text("")
self.txt_artist.set_text("")
self.txt_album.set_text("")
self.img_cover.clear()
self.lbl_name.set_label("")
self.lbl_slogan.set_label("")
self.lbl_slogan.set_tooltip_text("")
self.lbl_mer_lower.set_label("")
self.lbl_mer_upper.set_label("")
self.lbl_ber_now.set_label("")
self.lbl_ber_avg.set_label("")
self.lbl_ber_min.set_label("")
self.lbl_ber_max.set_label("")
def load_settings(self):
try:
with open("station_logos.json", mode="r") as file:
self.station_logos = json.load(file)
except (OSError, json.decoder.JSONDecodeError):
logging.warning("Unable to load station logo database")
# load settings
try:
with open("config.json", mode="r") as file:
config = json.load(file)
if "map_data" in config:
self.map_data = config["map_data"]
if self.map_data["map_mode"] == 0:
self.rad_map_traffic.set_active(True)
self.rad_map_traffic.toggled()
elif self.map_data["map_mode"] == 1:
self.rad_map_weather.set_active(True)
self.rad_map_weather.toggled()
if "width" and "height" in config:
self.main_window.resize(config["width"], config["height"])
self.main_window.move(config["window_x"], config["window_y"])
self.spin_freq.set_value(config["frequency"])
self.spin_stream.set_value(config["stream"])
self.spin_gain.set_value(config["gain"])
self.cb_auto_gain.set_active(config["auto_gain"])
self.spin_ppm.set_value(config["ppm_error"])
self.spin_rtl.set_value(config["rtl"])
self.bookmarks = config["bookmarks"]
for bookmark in self.bookmarks:
self.ls_bookmarks.append(bookmark)
except (OSError, json.decoder.JSONDecodeError, KeyError):
logging.warning("Unable to load config")
# create aas directory
self.aas_dir = os.path.join(sys.path[0], "aas")
if not os.path.isdir(self.aas_dir):
try:
os.mkdir(self.aas_dir)
except OSError:
logging.error("Unable to create AAS directory")
self.aas_dir = None
# create map directory
self.map_dir = os.path.join(sys.path[0], "map")
if not os.path.isdir(self.map_dir):
try:
os.mkdir(self.map_dir)
except OSError:
logging.error("Unable to create map directory")
self.map_dir = None
def shutdown(self, *_args):
# stop map viewer animation if it's running
if self.map_viewer is not None and self.map_viewer.animate_timer is not None:
self.map_viewer.animate_timer.cancel()
self.map_viewer.animate_stop = True
while self.map_viewer.animate_busy:
logging.debug("Animation busy - stopping")
if self.map_viewer.animate_timer is not None:
self.map_viewer.animate_timer.cancel()
time.sleep(0.25)
self.playing = False
# kill nrsc5 if it's running
if self.radio:
self.radio.stop()
self.radio.close()
self.radio = None
# shut down status timer if it's running
if self.status_timer is not None:
self.status_timer.cancel()
self.audio_queue.put(None)
self.audio_thread.join()
# save settings
try:
with open("config.json", mode="w") as file:
window_x, window_y = self.main_window.get_position()
width, height = self.main_window.get_size()
config = {
"config_version": self.VERSION,
"window_x": window_x,
"window_y": window_y,
"width": width,
"height": height,
"frequency": self.spin_freq.get_value(),
"stream": int(self.spin_stream.get_value()),
"gain": self.spin_gain.get_value(),
"auto_gain": self.cb_auto_gain.get_active(),
"ppm_error": int(self.spin_ppm.get_value()),
"rtl": int(self.spin_rtl.get_value()),
"bookmarks": self.bookmarks,
"map_data": self.map_data,
}
# sort bookmarks
config["bookmarks"].sort(key=lambda t: t[2])
json.dump(config, file, indent=2)
with open("station_logos.json", mode="w") as file:
json.dump(self.station_logos, file, indent=2)
except OSError:
logging.error("Unable to save config")
class NRSC5Map(object):
def __init__(self, parent, callback, data):
# setup gui
builder = Gtk.Builder()
builder.add_from_file("map_form.glade")
builder.connect_signals(self)
self.parent = parent
self.callback = callback
self.data = data # map data
self.animate_timer = None
self.animate_busy = False
self.animate_stop = False
self.weather_maps = parent.weather_maps # list of weather maps sorted by time
self.map_index = 0 # the index of the next weather map to display
# get the controls
self.map_window = builder.get_object("map_window")
self.img_map = builder.get_object("img_map")
self.rad_map_weather = builder.get_object("rad_map_weather")