#!/usr/bin/env python3 import os, socket import random import subprocess import time, datetime import sys import threading import json, re, unidecode from datetime import datetime import log95 MORNING_START = 6 MORNING_END = 10 DAY_START = 10 DAY_END = 20 LATE_NIGHT_START = 0 LATE_NIGHT_END = 6 CROSSFADE_DURATION = 5 # seconds playlist_dir = "/home/user/playlists" name_table_path = "/home/user/mixes/name_table.txt" rds_base = "Gramy: {} - {}" rds_default_artist = "radio95" rds_default_name = "Program Godzinny" udp_host = ("127.0.0.1", 5000) logger = log95.log95("radioPlayer") # Crossfade management cross_for_cross_time = 0 current_process = None next_process = None process_lock = threading.Lock() class Time: @staticmethod def get_day_hour(): return datetime.now().strftime('%A').lower(), datetime.now().hour @staticmethod def get_playlist_modification_time(playlist_path): try: return os.path.getmtime(playlist_path) except OSError: return 0 def load_dict_from_custom_format(file_path: str) -> dict: try: result_dict = {} with open(file_path, 'r') as file: for line in file: if line.strip() == "" or line.startswith(";"): continue key, value = line.split(':', 1) result_dict[key.strip()] = value.strip() return result_dict except FileNotFoundError: logger.error(f"{name_table_path} does not exist, or could not be accesed") return {} def get_audio_duration(file_path): try: result = subprocess.run([ 'ffprobe', '-v', 'quiet', '-show_entries', 'format=duration', '-of', 'default=noprint_wrappers=1:nokey=1', file_path ], capture_output=True, text=True) if result.returncode == 0: return float(result.stdout.strip()) except Exception as e: logger.warning(f"Exception while reading audio duration: {e}") return None def update_rds(track_name: str): try: name_table: dict[str, str] = load_dict_from_custom_format(name_table_path) try: name = name_table[track_name] has_name = True except KeyError as e: has_name = False name = ".".join(track_name.split(".")[:-1]) if " - " in name: count = name.count(" - ") while count != 1: # yotutube reuploads, to avoid things like ilikedick123 - Micheal Jackson - Smooth Criminal name = name.split(" - ", 1)[1] count = name.count(" - ") artist = name.split(" - ", 1)[0] title = name.split(" - ", 1)[1] else: artist = rds_default_artist title = name if not has_name: logger.warning(f"File does not have a alias in the name table ({track_name})") title = unidecode.unidecode(title) artist = unidecode.unidecode(artist) title = re.sub(r'\s*[\(\[][^\(\)\[\]]*[\)\]]', '', title) # there might be junk prt = rds_base.format(artist, title) f = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) f.settimeout(1.0) f.sendto(f"TEXT={prt}\r\n".encode(), udp_host) logger.info("RT set to", prt) rtp = [4] # type 1 rtp.append(prt.find(artist)) # start 1 rtp.append(len(artist)) # len 1 rtp.append(1) # type 2 rtp.append(prt.find(title)) # start 2 rtp.append(len(title)) # len 2 rtp = list(map(str, rtp)) f.sendto(f"RTP={','.join(rtp)}\r\n".encode(), udp_host) f.close() except Exception as e: logger.error(f"Error updating RDS: {e}") def load_playlist(playlist_path): try: with open(playlist_path, 'r') as f: return [line.strip() for line in f.readlines() if line.strip()] except FileNotFoundError: logger.error(f"Playlist not found: {playlist_path}") return [] def get_newest_track(tracks): if not tracks: return None newest_track = None newest_time = 0 for track in tracks: track_path = os.path.abspath(os.path.expanduser(track)) try: mod_time = os.path.getmtime(track_path) if mod_time > newest_time: newest_time = mod_time newest_track = track except OSError: continue return newest_track def check_control_files(): """Check for control files and return action to take""" if can_delete_file("/tmp/radioPlayer_quit"): os.remove("/tmp/radioPlayer_quit") return "quit" if can_delete_file("/tmp/radioPlayer_reload"): os.remove("/tmp/radioPlayer_reload") return "reload" return None def stop_all_processes(): """Stop all ffplay processes""" global current_process, next_process with process_lock: if current_process and current_process.poll() is None: try: current_process.terminate() current_process.wait(timeout=2) except (subprocess.TimeoutExpired, ProcessLookupError): try: current_process.kill() current_process.wait(timeout=2) except (subprocess.TimeoutExpired, ProcessLookupError): pass current_process = None if next_process and next_process.poll() is None: try: next_process.terminate() next_process.wait(timeout=2) except (subprocess.TimeoutExpired, ProcessLookupError): try: next_process.kill() next_process.wait(timeout=2) except (subprocess.TimeoutExpired, ProcessLookupError): pass next_process = None def create_audio_process(track_path, fade_in=False, fade_out=False): """Create ffplay process with optional fade effects""" cmd = ['ffplay', '-nodisp', '-hide_banner', '-autoexit', '-loglevel', 'quiet'] duration = get_audio_duration(track_path) # Build filter chain filters = [] # Add fade in if requested if fade_in: filters.append(f"afade=t=in:st=0:d={CROSSFADE_DURATION}") if fade_out and duration: filters.append(f"afade=t=out:st={duration-CROSSFADE_DURATION}:d={CROSSFADE_DURATION}") # Apply filters if any exist if filters: filter_chain = ",".join(filters) cmd.extend(['-af', filter_chain]) cmd.append(track_path) return subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) def play_single_track(track_path): """Play a single track without crossfade (for first track or special cases)""" global current_process with process_lock: current_process = create_audio_process(track_path, fade_in=False, fade_out=False) # Wait for the process to complete current_process.wait() with process_lock: current_process = None def play_playlist(playlist_path, custom_playlist: bool=False, play_newest_first=False, do_shuffle=True): global current_process, next_process, cross_for_cross_time last_modified_time = Time.get_playlist_modification_time(playlist_path) tracks = load_playlist(playlist_path) if not tracks: logger.info(f"No tracks found in {playlist_path}, checking again in 15 seconds...") time.sleep(15) return if do_shuffle: random.seed() start_index = 0 # Normal playlist preparation if play_newest_first: newest_track = get_newest_track(tracks) if newest_track: logger.info(f"Playing newest track first: {os.path.basename(newest_track)}") tracks.remove(newest_track) if do_shuffle: random.shuffle(tracks) tracks.insert(0, newest_track) else: if do_shuffle: random.shuffle(tracks) return_pending = False for i, track in enumerate(tracks[start_index:], start_index): if return_pending: stop_all_processes() return track_path = os.path.abspath(os.path.expanduser(track)) track_name = os.path.basename(track_path) current_modified_time = Time.get_playlist_modification_time(playlist_path) if current_modified_time > last_modified_time: logger.info(f"Playlist {playlist_path} has been modified, reloading...") return_pending = True continue current_day, current_hour = Time.get_day_hour() morning_playlist_path = os.path.join(playlist_dir, current_day, 'morning') day_playlist_path = os.path.join(playlist_dir, current_day, 'day') night_playlist_path = os.path.join(playlist_dir, current_day, 'night') late_night_playlist_path = os.path.join(playlist_dir, current_day, 'late_night') if DAY_START <= current_hour < DAY_END and not custom_playlist: if playlist_path != day_playlist_path: logger.info("Time changed to day hours, switching playlist...") return_pending = True elif MORNING_START <= current_hour < MORNING_END and not custom_playlist: if playlist_path != morning_playlist_path: logger.info("Time changed to morning hours, switching playlist...") return_pending = True elif LATE_NIGHT_START <= current_hour < LATE_NIGHT_END and not custom_playlist: if playlist_path != late_night_playlist_path: logger.info("Time changed to late night hours, switching playlist...") return_pending = True else: if playlist_path != night_playlist_path and not custom_playlist: logger.info("Time changed to night hours, switching playlist...") return_pending = True if return_pending and not current_process: continue if current_process: time.sleep(cross_for_cross_time) # Check if we need to stop due to control files action = check_control_files() if action == "quit": stop_all_processes() exit() elif action == "reload": logger.info("Reload requested during playback...") stop_all_processes() return "reload" logger.info(f"Starting cross-to-cross to: {os.path.basename(track_name)}") with process_lock: next_process = create_audio_process(track_path, fade_in=True, fade_out=True) update_rds(track_name) # Wait for crossfade to complete time.sleep(CROSSFADE_DURATION * 1.5) with process_lock: if current_process and current_process.poll() is None: try: current_process.terminate() current_process.wait(5) except (subprocess.TimeoutExpired, ProcessLookupError): pass current_process = next_process next_process = None else: # No crossfade, just wait for current track to finish current_process.wait() with process_lock: current_process = None continue logger.info(f"Now playing: {track_name}") update_rds(track_name) # Determine next track for crossfade next_track_path = None next_index = i + 1 if next_index < len(tracks): next_track_path = os.path.abspath(os.path.expanduser(tracks[next_index])) duration = get_audio_duration(track_path) if not duration: logger.warning(f"Could not get duration for {track_path}, playing without crossfade") play_single_track(track_path) return cross_for_cross_time = get_audio_duration(track_path) if not cross_for_cross_time: logger.warning(f"Could not get duration for {track_path}, playing without crossfade") play_single_track(track_path) play_single_track(next_track_path) return # Calculate when to start the next track (5 seconds before end) crossfade_start_time = max(0, duration - CROSSFADE_DURATION) cross_for_cross_time = max(0, cross_for_cross_time - CROSSFADE_DURATION) # Start current track with fade in with process_lock: current_process = create_audio_process(track_path, fade_in=True, fade_out=True) if next_track_path and crossfade_start_time > 0: # Wait until it's time to start the crossfade time.sleep(crossfade_start_time) # Check if we need to stop due to control files action = check_control_files() if action == "quit": stop_all_processes() exit() elif action == "reload": logger.info("Reload requested during playback...") stop_all_processes() return "reload" logger.info(f"Starting crossfade to: {os.path.basename(next_track_path)}") with process_lock: next_process = create_audio_process(next_track_path, fade_in=True, fade_out=True) update_rds(os.path.basename(next_track_path)) # Wait for crossfade to complete time.sleep(CROSSFADE_DURATION * 1.5) with process_lock: if current_process and current_process.poll() is None: try: current_process.terminate() current_process.wait(5) except (subprocess.TimeoutExpired, ProcessLookupError): pass current_process = next_process next_process = None else: # No crossfade, just wait for current track to finish current_process.wait() with process_lock: current_process = None # Check control files after each song action = check_control_files() if action == "quit": stop_all_processes() exit() elif action == "reload": logger.info("Reload requested, restarting with new arguments...") stop_all_processes() return "reload" def can_delete_file(filepath): if not os.path.isfile(filepath): return False directory = os.path.dirname(os.path.abspath(filepath)) or '.' return os.access(directory, os.W_OK | os.X_OK) def parse_arguments(): """Parse command line arguments and return configuration""" arg = sys.argv[1] if len(sys.argv) > 1 else None play_newest_first = False do_shuffle = True pre_track_path = None selected_list = None if arg: if arg.lower() == "-h": print("Control files:") print(" Note: All of these files are one-time only, after they have been acked by the player they will be deleted") print(" /tmp/radioPlayer_quit - Quit the player") print(" /tmp/radioPlayer_reload - Reload arguments from /tmp/radioPlayer_arg") print(" /tmp/radioPlayer_arg - Contains arguments to use") print() print("Arguments:") print(" n - Play newest song first") print(" list:playlist;options - Play custom playlist with options") print(" /path/to/file - Play specific file first") print() print("Crossfade: 5-second crossfade is automatically applied between tracks") exit(0) if can_delete_file("/tmp/radioPlayer_arg"): with open("/tmp/radioPlayer_arg", "r") as f: arg = f.read().strip() os.remove("/tmp/radioPlayer_arg") if arg: if arg.lower() == "n": play_newest_first = True logger.info("Newest song will be played first") elif arg.startswith("list:"): selected_list = arg.removeprefix("list:") logger.info(f"The list {selected_list.split(';')[0]} will be played instead of the daily section lists.") for option in selected_list.split(";"): if option == "n": play_newest_first = True elif option == "ns": do_shuffle = False selected_list = selected_list.split(";")[0] elif os.path.isfile(arg): pre_track_path = arg logger.info(f"Will play requested song first: {arg}") else: logger.error(f"Invalid argument or file not found: {arg}") return play_newest_first, do_shuffle, pre_track_path, selected_list def main(): try: while True: # Main reload loop play_newest_first, do_shuffle, pre_track_path, selected_list = parse_arguments() if pre_track_path: track_name = os.path.basename(pre_track_path) logger.info(f"Now playing: {track_name}") update_rds(track_name) play_single_track(pre_track_path) action = check_control_files() if action == "quit": exit() elif action == "reload": logger.info("Reload requested, restarting with new arguments...") continue # Restart the main loop playlist_loop_active = True while playlist_loop_active: if selected_list: logger.info("Playing custom list") result = play_playlist(selected_list, True, play_newest_first, do_shuffle) if result == "reload": playlist_loop_active = False # Break out to reload continue current_day, current_hour = Time.get_day_hour() morning_playlist = os.path.join(playlist_dir, current_day, 'morning') day_playlist = os.path.join(playlist_dir, current_day, 'day') night_playlist = os.path.join(playlist_dir, current_day, 'night') late_night_playlist = os.path.join(playlist_dir, current_day, 'late_night') morning_dir = os.path.dirname(morning_playlist) day_dir = os.path.dirname(day_playlist) night_dir = os.path.dirname(night_playlist) late_night_dir = os.path.dirname(late_night_playlist) for dir_path in [morning_dir, day_dir, night_dir, late_night_dir]: if not os.path.exists(dir_path): logger.info(f"Creating directory: {dir_path}") os.makedirs(dir_path, exist_ok=True) for playlist_path in [morning_playlist, day_playlist, night_playlist, late_night_playlist]: if not os.path.exists(playlist_path): logger.info(f"Creating empty playlist: {playlist_path}") with open(playlist_path, 'w') as f: pass if DAY_START <= current_hour < DAY_END: logger.info(f"Playing {current_day} day playlist...") result = play_playlist(day_playlist, False, play_newest_first, do_shuffle) elif MORNING_START <= current_hour < MORNING_END: logger.info(f"Playing {current_day} morning playlist...") result = play_playlist(morning_playlist, False, play_newest_first, do_shuffle) elif LATE_NIGHT_START <= current_hour < LATE_NIGHT_END: logger.info(f"Playing {current_day} late_night playlist...") result = play_playlist(late_night_playlist, False, play_newest_first, do_shuffle) else: logger.info(f"Playing {current_day} night playlist...") result = play_playlist(night_playlist, False, play_newest_first, do_shuffle) action = check_control_files() if action == "quit": exit() elif action == "reload": logger.info("Reload requested, restarting with new arguments...") result = "reload" if result == "reload": playlist_loop_active = False # Break out to reload except KeyboardInterrupt: logger.info("Player stopped by user") stop_all_processes() except Exception as e: logger.error(f"Unexpected error: {e}") stop_all_processes() raise finally: stop_all_processes() if __name__ == '__main__': main()