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Merge branch 'main' of github.com:deflax/television

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deflax 2024-01-12 15:00:03 +00:00
commit e14b575b97
1 changed files with 55 additions and 23 deletions
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78
src/scheduler/app.py
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@ -1,11 +1,12 @@
import os
import logging
import json
import time
from datetime import datetime
from flask import Flask, render_template, jsonify, request
from apscheduler.schedulers.background import BackgroundScheduler
from core_client import Client
import time
from ffmpeg import FFmpeg
app = Flask(__name__)
scheduler = BackgroundScheduler()
@ -26,7 +27,8 @@ api_password = os.environ.get('CORE_API_AUTH_PASSWORD', 'pass')
# Init
database = {}
prio = 0
head = {}
playhead = {}
rechead = ""
with open('/config/epg.json', 'r') as epg_json:
epg = json.load(epg_json)
@ -42,6 +44,7 @@ def get_core_process_details(client, process_id):
# Helper function to process a running channel
def process_running_channel(database, scheduler, stream_id, stream_name, stream_description, stream_hls_url):
global recording
if stream_id in database:
# Skip learned channels
return
@ -55,23 +58,26 @@ def process_running_channel(database, scheduler, stream_id, stream_name, stream_
logger_job.warning(f'{stream_id} ({stream_name}) has been registered to the database')
if stream_start == "now":
logger_job.warning("Stream should start now")
scheduler.add_job(func=stream_exec, id=stream_id, args=(stream_id, stream_name, stream_prio, stream_hls_url))
scheduler.add_job(func=exec_stream, id=stream_id, args=(stream_id, stream_name, stream_prio, stream_hls_url))
rec_id = f'rec_{stream_id}'
scheduler.add_job(func=exec_recorder, id=rec_id, args=(stream_id, stream_hls_url))
else:
logger_job.warning(f"Stream start hour is set to {stream_start}")
scheduler.add_job(
func=stream_exec, trigger='cron', hour=stream_start, jitter=60,
func=exec_stream, trigger='cron', hour=stream_start, jitter=60,
id=stream_id, args=(stream_id, stream_name, stream_prio, stream_hls_url)
)
database.update({stream_id: {'name': stream_name, 'start_at': stream_start, 'meta': stream_description, 'src': stream_hls_url}})
# Bootstrap the playhead if its still empty.
if head == {}:
if playhead == {}:
fallback = fallback_search(database)
scheduler.add_job(func=stream_exec, id="fallback", args=(fallback['stream_id'], fallback['stream_name'], 0, fallback['stream_hls_url']))
scheduler.add_job(func=exec_stream, id="fallback", args=(fallback['stream_id'], fallback['stream_name'], 0, fallback['stream_hls_url']))
# Helper function to remove channel from the database
def remove_channel_from_database(database, scheduler, stream_id, stream_name, state):
global prio
global head
global playhead
global rechead
if stream_id in database:
logger_job.warning(f'{stream_id} ({stream_name}) will be removed from the database. Reason: {state.exec}')
database.pop(stream_id)
@ -79,13 +85,19 @@ def remove_channel_from_database(database, scheduler, stream_id, stream_name, st
scheduler.remove_job(stream_id)
except Exception as joberror:
logger_job.error(joberror)
# If the removed stream is currently recording we should stop the rec process and reset the rechead
if stream_id == rechead:
logger_job.warning(f'{stream_id} recording stopped.')
rec_id = f'rec_{stream_id}'
scheduler.remove_job(rec_id)
rechead = ""
# Handle the situation where we remove an stream that is currently playing
if head['id'] == stream_id:
logger_job.warning(f'{stream_id} was currently running.')
if stream_id == playhead['id']
logger_job.warning(f'{stream_id} was playing.')
fallback = fallback_search(database)
prio = 0
logger_job.warning(f'Source priority is reset to 0')
scheduler.add_job(func=stream_exec, id="fallback", args=(fallback['stream_id'], fallback['stream_name'], 0, fallback['stream_hls_url']))
scheduler.add_job(func=exec_stream, id="fallback", args=(fallback['stream_id'], fallback['stream_name'], 0, fallback['stream_hls_url']))
# Helper function to search for a fallback stream
def fallback_search(database):
@ -94,6 +106,7 @@ def fallback_search(database):
hour_set = []
for key, value in database.items():
if value['start_at'] == "now" or value['start_at'] == "never":
# do not use non-time scheduled streams as fallbacks
continue
else:
hour_set.append(value['start_at'])
@ -113,26 +126,45 @@ def find_event_entry(epg, stream_name):
return {"start_at": entry.get("start_at"), "prio": entry.get("prio")}
return None
# Helper function to update the head
def update_head(stream_id, stream_prio, stream_hls_url):
global head
head = { "id": stream_id,
# Helper function to update the playhead
def update_playhead(stream_id, stream_prio, stream_hls_url):
global playhead
playhead = { "id": stream_id,
"prio": stream_prio,
"head": stream_hls_url }
logger_job.warning(f'Head position is: {str(head)}')
logger_job.warning(f'Playhead position is: {str(playhead)}')
# Tasks
def stream_exec(stream_id, stream_name, stream_prio, stream_hls_url):
# Execute stream
def exec_stream(stream_id, stream_name, stream_prio, stream_hls_url):
global prio
logger_job.warning(f'Hello {stream_name}!')
if stream_prio > prio:
prio = stream_prio
logger_job.warning(f'Source priority is now set to: {prio}')
update_head(stream_id, stream_prio, stream_hls_url)
update_playhead(stream_id, stream_prio, stream_hls_url)
elif stream_prio == prio:
update_head(stream_id, stream_prio, stream_hls_url)
update_playhead(stream_id, stream_prio, stream_hls_url)
elif stream_prio < prio:
logger_job.warning(f'Source with higher priority ({prio}) is blocking. Skipping head update!')
logger_job.warning(f'Source with higher priority ({prio}) is blocking. Skipping playhead update!')
# Execute recorder
def exec_recorder(stream_id, stream_hls_url):
global rechead
current_datetime = datetime.now().strftime("%Y-%m-%d_%H-%M-%S-%f")
output_file = current_datetime + ".mp4"
if rechead != "":
logger_job.error('Recorder is already started. Refusing to start another rec job.')
return False
else:
logger_job.warning(f'Starting recording job for {output_file}')
rechead = stream_id
ffmpeg = (
FFmpeg()
.option("y")
.input(stream_hls_url)
.output(output_file, vcodec="copy")
)
ffmpeg.execute()
def core_api_sync():
global database
@ -181,7 +213,7 @@ def core_api_sync():
# TODO fix logger_api
try:
client = Client(base_url='https://' + api_hostname, username=api_username, password=api_password)
logger_api.info('Logging in to Datarhei Core API ' + api_username + '@' + api_hostname)
logger_api.warning('Logging in to Datarhei Core API ' + api_username + '@' + api_hostname)
client.login()
except Exception as err:
logger_api.error('Client login error')
@ -194,8 +226,8 @@ scheduler.start()
@app.route('/', methods=['GET'])
def root_query():
global head
return jsonify(head)
global playhead
return jsonify(playhead)
def create_app():
return app