Files
gander/web_server/celery_tasks/__init__.py

65 lines
1.7 KiB
Python

from celery import Celery, shared_task, Task
from utils.stream_utils import generate_thumbnail, get_streamer_live_status
from time import sleep
from os import listdir, remove
from datetime import datetime
import subprocess
def celery_init_app(app) -> Celery:
class FlaskTask(Task):
def __call__(self, *args: object, **kwargs: object) -> object:
with app.app_context():
return self.run(*args, **kwargs)
celery_app = Celery(app.name, task_cls=FlaskTask)
celery_app.config_from_object(app.config["CELERY"])
celery_app.set_default()
app.extensions["celery"] = celery_app
return celery_app
@shared_task
def update_thumbnail(user_id, sleep_time=180) -> None:
"""
Updates the thumbnail of a stream periodically
"""
generate_thumbnail(user_id)
sleep(sleep_time)
@shared_task
def combine_ts_stream(username):
"""
Combines all ts files into a single vod, and removes the ts files
"""
path = f"stream_data/hls/{username}/"
ts_files = [f for f in listdir(path) if f.endswith(".ts")]
ts_files.sort()
# Create temp file listing all ts files
with open(f"{path}list.txt", "w") as f:
for ts_file in ts_files:
f.write(f"file '{ts_file}'\n")
# Concatenate all ts files into a single vod
file_name = datetime.now().strftime("%d-%m-%Y-%H-%M-%S")
vod_path = f"stream_data/hls/{username}/{file_name}.mp4"
vod_command = [
"ffmpeg",
"-f",
"concat",
"-safe",
"0",
"-i",
f"{path}list.txt",
"-c",
"copy",
vod_path
]
subprocess.run(vod_command)
# Remove ts files
for ts_file in ts_files:
remove(f"{path}{ts_file}")
return vod_path