chaos/NTP-Timeturner
1
0
Fork 0
mirror of https://github.com/cjfranko/NTP-Timeturner.git synced 2025-11-08 18:32:02 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

update

Browse source
This commit is contained in:
Chris Frankland-Wright 2025-06-24 23:04:07 +01:00
parent 4e181f7fe3
commit 4a4dd4b334
1 changed files with 15 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

16
timeturner.py
View file

@ -7,6 +7,7 @@ import time
import select import select
def start_ltc_stream(): def start_ltc_stream():
# Launch ffmpeg piped into ltcdump
ffmpeg = subprocess.Popen( ffmpeg = subprocess.Popen(
["ffmpeg", "-f", "alsa", "-i", "default", "-ac", "1", "-ar", "48000", "-f", "s16le", "-"], ["ffmpeg", "-f", "alsa", "-i", "default", "-ac", "1", "-ar", "48000", "-f", "s16le", "-"],
stdout=subprocess.PIPE, stdout=subprocess.PIPE,
@ -20,7 +21,7 @@ def start_ltc_stream():
text=True, text=True,
bufsize=1 # Line-buffered bufsize=1 # Line-buffered
) )
ffmpeg.stdout.close() ffmpeg.stdout.close() # Let ltcdump consume the pipe
return ffmpeg, ltcdump return ffmpeg, ltcdump
def main(stdscr): def main(stdscr):
@ -34,19 +35,24 @@ def main(stdscr):
try: try:
while True: while True:
# Check for new output from ltcdump (non-blocking) # Check for new LTC output (non-blocking)
rlist, _, _ = select.select([ltcdump_proc.stdout], [], [], 0) rlist, _, _ = select.select([ltcdump_proc.stdout], [], [], 0)
if rlist: if rlist:
line = ltcdump_proc.stdout.readline().strip() line = ltcdump_proc.stdout.readline()
if line:
line = line.strip()
if line and line[0].isdigit(): if line and line[0].isdigit():
latest_tc = line latest_tc = line
last_update = time.time() last_update = time.time()
# Detect stale or missing LTC # Check if signal or subprocess died
if time.time() - last_update > 1: if time.time() - last_update > 1:
if ltcdump_proc.poll() is not None or ffmpeg_proc.poll() is not None:
latest_tc = "💥 Decoder crashed or stream stopped"
else:
latest_tc = "⚠️ No LTC signal" latest_tc = "⚠️ No LTC signal"
# UI # Draw UI
stdscr.erase() stdscr.erase()
stdscr.addstr(1, 2, "🌀 NTP Timeturner Status") stdscr.addstr(1, 2, "🌀 NTP Timeturner Status")
stdscr.addstr(3, 4, "Streaming LTC from default input...") stdscr.addstr(3, 4, "Streaming LTC from default input...")