radio95/RadioPlayer
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mirror of https://github.com/radio95-rnt/RadioPlayer.git synced 2026-02-26 13:52:00 +01:00
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some improvements in the core

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This commit is contained in:
KubaPro010
2025-11-13 15:37:48 +01:00
parent 5fd56bfa41
commit 26122a374a
1 changed files with 29 additions and 32 deletions
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59
radioPlayer.py
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@@ -1,10 +1,11 @@
#!/usr/bin/env python3
import time
import os, subprocess, importlib.util, types
import sys, signal, threading, glob
import time, types
import os, subprocess, importlib.util
import sys, signal, glob
import libcache, traceback, atexit
from modules import *
from threading import Lock
def prefetch(path):
if os.name != "posix": return
@@ -19,18 +20,16 @@ MODULES_DIR = Path(__file__, "..", MODULES_PACKAGE).resolve()
class ProcessManager(Skeleton_ProcessManager):
def __init__(self) -> None:
self.lock = threading.Lock()
self.lock = Lock()
self.processes: list[Process] = []
self.duration_cache = libcache.Cache([])
def _get_audio_duration(self, file_path: Path):
if result := self.duration_cache.getElement(file_path.as_posix(), False): return result
result = subprocess.run(['ffprobe', '-v', 'quiet', '-show_entries', 'format=duration', '-of', 'default=noprint_wrappers=1:nokey=1', str(file_path)], capture_output=True, text=True)
if result.returncode == 0:
result = float(result.stdout.strip())
self.duration_cache.saveElement(file_path.as_posix(), result, (60*60), False, True)
return result
return None
def play(self, track: Track, fade_time: int=5) -> Process:
cmd = ['ffplay', '-nodisp', '-hide_banner', '-autoexit', '-loglevel', 'quiet']
assert track.path.exists()
@@ -69,17 +68,16 @@ class ProcessManager(Skeleton_ProcessManager):
self.processes.clear()
class PlaylistParser:
def __init__(self, output: log95.TextIO) -> types.NoneType: self.logger = log95.log95("PARSER", output=output)
def load_filelines(self, path: Path):
try:
return [line.strip() for line in path.read_text().splitlines() if line.strip()]
except FileNotFoundError:
self.logger.error(f"Playlist not found: {path.name}")
return []
def __init__(self, output: log95.TextIO): self.logger = log95.log95("PARSER", output=output)
def _check_for_imports(self, path: Path, seen=None) -> list[str]:
if seen is None: seen = set()
lines = self.load_filelines(path)
if not path.exists():
self.logger.error(f"Playlist not found: {path.name}")
return []
lines = [line.strip() for line in path.read_text().splitlines() if line.strip()]
out = []
for line in lines:
if line.startswith("@"):
@@ -93,8 +91,9 @@ class PlaylistParser:
else: out.append(line)
return out
def parse_playlistfile(self, playlist_path: Path) -> tuple[dict[str, str], list[tuple[list[str], dict[str, str]]]]:
lines = self._check_for_imports(playlist_path) # First, import everything
def parse(self, playlist_path: Path) -> tuple[dict[str, str], list[tuple[list[str], dict[str, str]]]]:
lines = self._check_for_imports(playlist_path)
out = []
global_arguments = {}
for line in lines:
@@ -113,7 +112,7 @@ class PlaylistParser:
for arg in args:
key, val = arg.split("=", 1)
arguments[key] = val
out.append(([f for f in glob.glob(line) if os.path.isfile(f)], arguments))
out.append(([f for f in Path().glob(line) if Path(f).is_file()], arguments))
return global_arguments, out
class RadioPlayer:
@@ -126,11 +125,14 @@ class RadioPlayer:
self.exit_pending = False
self.exit_status_code = 0
self.intr_time = 0
self.exit_lock = threading.Lock()
self.exit_lock = Lock()
self.procman = ProcessManager()
self.modules: list[tuple] = []
self.parser = PlaylistParser(output)
def shutdown(self): self.procman.stop_all()
def shutdown(self):
self.procman.stop_all()
def handle_sigint(self, signum, frame):
with self.exit_lock:
self.logger.info("Received CTRL+C (SIGINT)")
@@ -172,7 +174,7 @@ class RadioPlayer:
time.perf_counter()
spec.loader.exec_module(module)
time_took = time.monotonic() - start
if time_took > 0.2: self.logger.warning(f"{module_name} took {time_took:.2f}s to start")
if time_took > 0.2: self.logger.warning(f"{module_name} took {time_took:.1f}s to start")
except Exception as e:
traceback.print_exc(file=self.logger.output)
self.logger.error(f"Failed loading {module_name} due to {e}, continuing")
@@ -204,9 +206,7 @@ class RadioPlayer:
raise SystemExit(1)
def play_playlist(self, playlist_path: Path, starting_index: int = 0):
assert self.playlist_advisor
try: global_args, parsed = self.parser.parse_playlistfile(playlist_path)
try: global_args, parsed = self.parser.parse(playlist_path)
except Exception as e:
self.logger.info(f"Exception ({e}) while parsing playlist, retrying in 15 seconds...")
time.sleep(15)
@@ -235,7 +235,7 @@ class RadioPlayer:
self.logger.info("Return reached, next song will reload the playlist.")
self.procman.wait_all()
return
if self.playlist_advisor.new_playlist():
if self.playlist_advisor and self.playlist_advisor.new_playlist():
self.logger.info("Reloading now...")
return_pending = True
continue
@@ -253,18 +253,15 @@ class RadioPlayer:
prefetch(track.path)
self.logger.info(f"Now playing: {track.path.name}")
for module in self.simple_modules: module.on_new_track(song_i, track, next_track)
[module.on_new_track(song_i, track, next_track) for module in self.simple_modules if module]
pr = self.procman.play(track, cross_fade)
ttw = pr.duration
if track.fade_out: ttw -= cross_fade
end_time = pr.started_at + ttw
if next_track: prefetch(next_track.path)
end_time = pr.started_at + pr.duration
if track.fade_out: end_time -= cross_fade
while end_time >= time.monotonic() and pr.process.poll() is None:
start = time.monotonic()
[module.progress(song_i, track, time.monotonic() - pr.started_at, pr.duration, ttw) for module in self.simple_modules if module]
[module.progress(song_i, track, time.monotonic() - pr.started_at, pr.duration, end_time - pr.started_at) for module in self.simple_modules if module]
elapsed = time.monotonic() - start
remaining_until_end = end_time - time.monotonic()
if elapsed < 1 and remaining_until_end > 0: time.sleep(min(1 - elapsed, remaining_until_end))