1073 lines
34 KiB
Python
Executable File
1073 lines
34 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# This file is part of ffplayout.
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#
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# ffplayout is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# ffplayout is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with ffplayout. If not, see <http://www.gnu.org/licenses/>.
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# ------------------------------------------------------------------------------
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import configparser
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import json
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import logging
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import os
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import smtplib
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import socket
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import sys
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import traceback
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from argparse import ArgumentParser
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from ast import literal_eval
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from datetime import date, datetime, timedelta
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.utils import formatdate
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from logging.handlers import TimedRotatingFileHandler
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from shutil import copyfileobj
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from subprocess import PIPE, CalledProcessError, Popen, check_output
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from threading import Thread
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from time import sleep
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from types import SimpleNamespace
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from queue import Queue
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# ------------------------------------------------------------------------------
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# read variables from config file
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# ------------------------------------------------------------------------------
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# read config
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cfg = configparser.ConfigParser()
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if os.path.exists('/etc/ffplayout/ffplayout.conf'):
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cfg.read('/etc/ffplayout/ffplayout.conf')
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else:
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cfg.read('ffplayout.conf')
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_general = SimpleNamespace(
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stop=cfg.getboolean('GENERAL', 'stop_on_error'),
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threshold=cfg.getfloat('GENERAL', 'stop_threshold')
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)
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_mail = SimpleNamespace(
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subject=cfg.get('MAIL', 'subject'),
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server=cfg.get('MAIL', 'smpt_server'),
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port=cfg.getint('MAIL', 'smpt_port'),
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s_addr=cfg.get('MAIL', 'sender_addr'),
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s_pass=cfg.get('MAIL', 'sender_pass'),
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recip=cfg.get('MAIL', 'recipient'),
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level=cfg.get('MAIL', 'mail_level')
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)
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_log = SimpleNamespace(
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path=cfg.get('LOGGING', 'log_file'),
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level=cfg.get('LOGGING', 'log_level')
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)
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_pre_comp = SimpleNamespace(
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w=cfg.getint('PRE_COMPRESS', 'width'),
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h=cfg.getint('PRE_COMPRESS', 'height'),
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aspect=cfg.getfloat(
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'PRE_COMPRESS', 'width') / cfg.getfloat('PRE_COMPRESS', 'height'),
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fps=cfg.getint('PRE_COMPRESS', 'fps'),
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v_bitrate=cfg.getint('PRE_COMPRESS', 'v_bitrate'),
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v_bufsize=cfg.getint('PRE_COMPRESS', 'v_bitrate') / 2,
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logo=cfg.get('PRE_COMPRESS', 'logo'),
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logo_filter=cfg.get('PRE_COMPRESS', 'logo_filter'),
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protocols=cfg.get('PRE_COMPRESS', 'live_protocols'),
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copy=cfg.getboolean('PRE_COMPRESS', 'copy_mode'),
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copy_settings=literal_eval(cfg.get('PRE_COMPRESS', 'ffmpeg_copy_settings'))
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)
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_playlist = SimpleNamespace(
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path=cfg.get('PLAYLIST', 'playlist_path'),
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t=cfg.get('PLAYLIST', 'day_start').split(':'),
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start=0,
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filler=cfg.get('PLAYLIST', 'filler_clip'),
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blackclip=cfg.get('PLAYLIST', 'blackclip'),
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shift=cfg.getint('PLAYLIST', 'time_shift'),
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map_ext=cfg.get('PLAYLIST', 'map_extension')
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)
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_playlist.start = float(_playlist.t[0]) * 3600 + float(_playlist.t[1]) * 60 \
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+ float(_playlist.t[2])
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_buffer = SimpleNamespace(
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cli=cfg.get('BUFFER', 'buffer_cli'),
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cmd=literal_eval(cfg.get('BUFFER', 'buffer_cmd'))
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)
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_playout = SimpleNamespace(
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preview=cfg.getboolean('OUT', 'preview'),
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name=cfg.get('OUT', 'service_name'),
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provider=cfg.get('OUT', 'service_provider'),
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out_addr=cfg.get('OUT', 'out_addr'),
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post_comp_video=literal_eval(cfg.get('OUT', 'post_comp_video')),
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post_comp_audio=literal_eval(cfg.get('OUT', 'post_comp_audio')),
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post_comp_extra=literal_eval(cfg.get('OUT', 'post_comp_extra')),
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post_comp_copy=literal_eval(cfg.get('OUT', 'post_comp_copy'))
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)
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# ------------------------------------------------------------------------------
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# logging
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# ------------------------------------------------------------------------------
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stdin_parser = ArgumentParser(
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description='python and ffmpeg based playout',
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epilog="don't use parameters if you want to take the settings from config")
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stdin_parser.add_argument(
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'-l', '--log', help='file path for logfile'
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)
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stdin_parser.add_argument(
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'-f', '--file', help='playlist file'
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)
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# If the log file is specified on the command line then override the default
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stdin_args = stdin_parser.parse_args()
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if stdin_args.log:
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_log.path = stdin_args.log
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logger = logging.getLogger(__name__)
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logger.setLevel(_log.level)
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handler = TimedRotatingFileHandler(_log.path, when='midnight', backupCount=5)
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formatter = logging.Formatter('[%(asctime)s] [%(levelname)s] %(message)s')
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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# capture stdout and sterr in the log
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class PlayoutLogger(object):
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def __init__(self, logger, level):
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self.logger = logger
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self.level = level
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def write(self, message):
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# Only log if there is a message (not just a new line)
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if message.rstrip() != '':
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self.logger.log(self.level, message.rstrip())
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def flush(self):
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pass
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# Replace stdout with logging to file at INFO level
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sys.stdout = PlayoutLogger(logger, logging.INFO)
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# Replace stderr with logging to file at ERROR level
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sys.stderr = PlayoutLogger(logger, logging.ERROR)
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# ------------------------------------------------------------------------------
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# mail sender
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# ------------------------------------------------------------------------------
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class Mailer:
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def __init__(self):
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self.level = _mail.level
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self.time = None
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def current_time(self):
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self.time = get_time(None)
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def send_mail(self, msg):
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if _mail.recip:
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self.current_time()
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message = MIMEMultipart()
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message['From'] = _mail.s_addr
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message['To'] = _mail.recip
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message['Subject'] = _mail.subject
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message['Date'] = formatdate(localtime=True)
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message.attach(MIMEText('{} {}'.format(self.time, msg), 'plain'))
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text = message.as_string()
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try:
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server = smtplib.SMTP(_mail.server, _mail.port)
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except socket.error as err:
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logger.error(err)
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server = None
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if server is not None:
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server.starttls()
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try:
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login = server.login(_mail.s_addr, _mail.s_pass)
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except smtplib.SMTPAuthenticationError as serr:
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logger.error(serr)
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login = None
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if login is not None:
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server.sendmail(_mail.s_addr, _mail.recip, text)
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server.quit()
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def info(self, msg):
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if self.level in ['INFO']:
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self.send_mail(msg)
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def warning(self, msg):
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if self.level in ['INFO', 'WARNING']:
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self.send_mail(msg)
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def error(self, msg):
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if self.level in ['INFO', 'WARNING', 'ERROR']:
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self.send_mail(msg)
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mailer = Mailer()
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# ------------------------------------------------------------------------------
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# global helper functions
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# ------------------------------------------------------------------------------
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# get time
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def get_time(time_format):
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t = datetime.today() + timedelta(seconds=_playlist.shift)
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if time_format == 'hour':
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return t.hour
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elif time_format == 'full_sec':
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sec = float(t.hour * 3600 + t.minute * 60 + t.second)
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micro = float(t.microsecond) / 1000000
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return sec + micro
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elif time_format == 'stamp':
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return float(datetime.now().timestamp())
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else:
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return t.strftime('%H:%M:%S')
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# get date
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def get_date(seek_day):
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d = date.today() + timedelta(seconds=_playlist.shift)
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if seek_day and get_time('full_sec') < _playlist.start:
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yesterday = d - timedelta(1)
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return yesterday.strftime('%Y-%m-%d')
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else:
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return d.strftime('%Y-%m-%d')
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# check if input file exist
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def file_exist(in_file):
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if os.path.exists(in_file):
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return True
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else:
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return False
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# test if value is float
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def is_float(value):
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try:
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float(value)
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return True
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except ValueError:
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return False
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# test if value is int
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def is_int(value):
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try:
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int(value)
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return True
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except ValueError:
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return False
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# calculating the size for the buffer in KB
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def calc_buffer_size():
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# in copy mode files has normally smaller bit rate,
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# so we calculate the size different
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if _pre_comp.copy:
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list_date = get_date(True)
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year, month, day = list_date.split('-')
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json_file = os.path.join(
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_playlist.path, year, month, list_date + '.json')
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if file_exist(json_file):
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with open(json_file, 'r', encoding='utf-8') as f:
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clip_nodes = json.load(f)
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if _playlist.map_ext:
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_ext = literal_eval(_playlist.map_ext)
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source = clip_nodes["program"][0]["source"].replace(
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_ext[0], _ext[1])
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else:
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source = clip_nodes["program"][0]["source"]
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if file_exist(source):
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cmd = [
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'ffprobe', '-v', 'error',
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'-show_entries', 'format=bit_rate',
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'-of', 'default=noprint_wrappers=1:nokey=1', source]
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bite_rate = check_output(cmd).decode('utf-8')
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if is_int(bite_rate):
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bite_rate = int(bite_rate) / 1024
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else:
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logger.debug('No Bitrate for calculating buffer size')
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bite_rate = 1300
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else:
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logger.debug('File for calculating buffer size not exist')
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bite_rate = 1300
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return int(bite_rate * 0.125 * 5)
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else:
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logger.debug('Playist for calculating buffer size not exist')
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return 5000
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else:
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# we calculate the buffer size for 5 seconds
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return int((_pre_comp.v_bitrate * 0.125 + 281.25) * 5)
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# check if processes a well
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def check_process(play_thread, playout):
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while True:
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sleep(4)
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if playout.poll() is not None:
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logger.error(
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'post-process is not alive anymore, terminate ffplayout!')
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break
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if not play_thread.is_alive():
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logger.error(
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'pre-process is not alive anymore, terminate ffplayout!')
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break
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# compare clip play time with real time,
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# to see if we are sync
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def check_sync(begin):
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time_now = get_time('full_sec')
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# in copy mode buffer length can not be calculatet correctly...
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if _pre_comp.copy:
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tolerance = 80
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else:
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# around 2.5 seconds is in ffmpeg buffer
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# TODO: more tests for a good value
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tolerance = 15
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time_distance = begin - time_now
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if 0 <= time_now < _playlist.start and not begin == _playlist.start:
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time_distance -= 86400.0
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# TODO: this is only for debugging
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print(time_distance)
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# check that we are in tolerance time
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if abs(time_distance) > tolerance:
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mailer.warning(
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'Playlist is not sync!\n{} seconds async'.format(time_distance))
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logger.warning('Playlist is {} seconds async!'.format(time_distance))
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if _general.stop and abs(time_distance) > _general.threshold:
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logger.error('Sync tolerance value exceeded, program terminated!')
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sys.exit(1)
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# check begin and length
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def check_start_and_length(json_nodes, counter):
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# check start time and set begin
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if 'begin' in json_nodes:
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h, m, s = json_nodes["begin"].split(':')
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if is_float(h) and is_float(m) and is_float(s):
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begin = float(h) * 3600 + float(m) * 60 + float(s)
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else:
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begin = -100.0
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else:
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begin = -100.0
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# check if playlist is long enough
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if 'length' in json_nodes:
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l_h, l_m, l_s = json_nodes["length"].split(':')
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if is_float(l_h) and is_float(l_m) and is_float(l_s):
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length = float(l_h) * 3600 + float(l_m) * 60 + float(l_s)
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total_play_time = begin + counter - _playlist.start
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if 'date' in json_nodes:
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date = json_nodes["date"]
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else:
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date = get_date(True)
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if total_play_time < length - 5:
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mailer.error(
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'Playlist ({}) is not long enough!\n'
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'total play time is: {}'.format(
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date,
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timedelta(seconds=total_play_time))
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)
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logger.error('Playlist is only {} hours long!'.format(
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timedelta(seconds=total_play_time)))
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# validate json values in new Thread
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# and test if file path exist
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# TODO: we need better and unique validation,
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# now it is messy - the file get readed twice
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# and values get multiple time evaluate
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# IDEA: open one time the playlist,
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# not in a thread and build from it a new clean dictionary
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def validate_thread(clip_nodes):
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def check_json(json_nodes):
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error = ''
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counter = 0
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# check if all values are valid
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for node in json_nodes["program"]:
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if _playlist.map_ext:
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_ext = literal_eval(_playlist.map_ext)
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source = node["source"].replace(
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_ext[0], _ext[1])
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else:
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source = node["source"]
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prefix = source.split('://')[0]
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if prefix in _pre_comp.protocols:
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cmd = [
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'ffprobe', '-v', 'error',
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'-show_entries', 'format=duration',
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'-of', 'default=noprint_wrappers=1:nokey=1', source]
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try:
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output = check_output(cmd).decode('utf-8')
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except CalledProcessError:
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output = '404'
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if '404' in output:
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a = 'Stream not exist: "{}"\n'.format(source)
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else:
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a = ''
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elif file_exist(source):
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a = ''
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else:
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a = 'File not exist: "{}"\n'.format(source)
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if is_float(node["in"]) and is_float(node["out"]):
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b = ''
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counter += node["out"] - node["in"]
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else:
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b = 'Missing Value in: "{}"\n'.format(node)
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c = '' if is_float(node["duration"]) else 'No duration Value! '
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line = a + b + c
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if line:
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logger.error('Validation error :: {}'.format(line))
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error += line + 'In line: {}\n'.format(node)
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if error:
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mailer.error(
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'Validation error, check JSON playlist, '
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'values are missing:\n{}'.format(error)
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)
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check_start_and_length(json_nodes, counter)
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validate = Thread(name='check_json', target=check_json, args=(clip_nodes,))
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validate.daemon = True
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validate.start()
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# seek in clip
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def seek_in(seek):
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if seek > 0.0:
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return ['-ss', str(seek)]
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else:
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return []
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# cut clip length
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def set_length(duration, seek, out):
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if out < duration:
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return ['-t', str(out - seek)]
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else:
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return []
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# generate a dummy clip, with black color and empty audiotrack
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def gen_dummy(duration):
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if _pre_comp.copy:
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return ['-i', _playlist.blackclip, '-t', str(duration)]
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else:
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color = '#121212'
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# TODO: add noise could be an config option
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# noise = 'noise=alls=50:allf=t+u,hue=s=0'
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return [
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'-f', 'lavfi', '-i',
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'color=c={}:s={}x{}:d={}:r={},format=pix_fmts=yuv420p'.format(
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color, _pre_comp.w, _pre_comp.h, duration, _pre_comp.fps
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),
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'-f', 'lavfi', '-i', 'anoisesrc=d={}:c=pink:r=48000:a=0.05'.format(
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duration)
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]
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# when source path exist, generate input with seek and out time
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# when path not exist, generate dummy clip
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def src_or_dummy(src, dur, seek, out):
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if src:
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prefix = src.split('://')[0]
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# check if input is a live source
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if prefix in _pre_comp.protocols:
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return seek_in(seek) + ['-i', src] + set_length(dur, seek, out)
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elif file_exist(src):
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return seek_in(seek) + ['-i', src] + set_length(dur, seek, out)
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else:
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mailer.error('Clip not exist:\n{}'.format(src))
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logger.error('Clip not exist: {}'.format(src))
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return gen_dummy(out - seek)
|
|
else:
|
|
return gen_dummy(out - seek)
|
|
|
|
|
|
# prepare input clip
|
|
# check begin and length from clip
|
|
# return clip only if we are in 24 hours time range
|
|
def gen_input(src, begin, dur, seek, out, last):
|
|
day_in_sec = 86400.0
|
|
ref_time = day_in_sec + _playlist.start
|
|
time = get_time('full_sec')
|
|
|
|
if 0 <= time < _playlist.start:
|
|
time += day_in_sec
|
|
|
|
# calculate time difference to see if we are sync
|
|
time_diff = 7.5 + out - seek + time
|
|
|
|
if (time_diff <= ref_time or begin < day_in_sec) and not last:
|
|
# when we are in the 24 houre range, get the clip
|
|
return src_or_dummy(src, dur, seek, out), None
|
|
elif time_diff < ref_time and last:
|
|
# when last clip is passed and we still have too much time left
|
|
# check if duration is larger then out - seek
|
|
time_diff = 7.5 + dur + time
|
|
new_len = dur - (time_diff - ref_time)
|
|
logger.info('we are under time, new_len is: {}'.format(new_len))
|
|
|
|
if time_diff >= ref_time:
|
|
if src == _playlist.filler:
|
|
# when filler is something like a clock,
|
|
# is better to start the clip later and to play until end
|
|
src_cmd = src_or_dummy(src, dur, dur - new_len, dur)
|
|
else:
|
|
src_cmd = src_or_dummy(src, dur, 0, new_len)
|
|
else:
|
|
src_cmd = src_or_dummy(src, dur, 0, dur)
|
|
|
|
mailer.error(
|
|
'Playlist is not long enough:\n{} seconds needed.'.format(
|
|
new_len)
|
|
)
|
|
logger.error('Playlist is {} seconds to short'.format(new_len))
|
|
|
|
return src_cmd, new_len - dur
|
|
|
|
elif time_diff > ref_time:
|
|
new_len = out - seek - (time_diff - ref_time)
|
|
# when we over the 24 hours range, trim clip
|
|
logger.info('we are over time, new_len is: {}'.format(new_len))
|
|
|
|
if new_len > 5.0:
|
|
if src == _playlist.filler:
|
|
src_cmd = src_or_dummy(src, dur, out - new_len, out)
|
|
else:
|
|
src_cmd = src_or_dummy(src, dur, seek, new_len)
|
|
elif new_len > 1.0:
|
|
src_cmd = gen_dummy(new_len)
|
|
else:
|
|
src_cmd = None
|
|
|
|
return src_cmd, 0.0
|
|
|
|
|
|
# blend logo and fade in / fade out
|
|
def build_filtergraph(first, duration, seek, out, ad, ad_last, ad_next, dummy):
|
|
length = out - seek - 1.0
|
|
logo_chain = []
|
|
logo_filter = []
|
|
video_chain = []
|
|
audio_chain = []
|
|
video_map = ['-map', '[logo]']
|
|
|
|
scale = 'scale={}:{},setdar=dar={}[s]'.format(
|
|
_pre_comp.w, _pre_comp.h, _pre_comp.aspect)
|
|
|
|
if seek > 0.0 and not first:
|
|
video_chain.append('fade=in:st=0:d=0.5')
|
|
audio_chain.append('afade=in:st=0:d=0.5')
|
|
|
|
if out < duration:
|
|
video_chain.append('fade=out:st={}:d=1.0'.format(length))
|
|
audio_chain.append('afade=out:st={}:d=1.0'.format(length))
|
|
else:
|
|
audio_chain.append('anull')
|
|
|
|
if video_chain:
|
|
video_fade = '[s]{}[v]'.format(','.join(video_chain))
|
|
else:
|
|
video_fade = '[s]null[v]'
|
|
|
|
audio_filter = [
|
|
'-filter_complex', '[0:a]{}[a]'.format(','.join(audio_chain))]
|
|
|
|
audio_map = ['-map', '[a]']
|
|
|
|
if os.path.exists(_pre_comp.logo):
|
|
if not ad:
|
|
opacity = 'format=rgba,colorchannelmixer=aa=0.7'
|
|
loop = 'loop=loop={}:size=1:start=0'.format(
|
|
(out - seek) * _pre_comp.fps)
|
|
logo_chain.append('movie={},{},{}'.format(
|
|
_pre_comp.logo, loop, opacity))
|
|
if ad_last:
|
|
logo_chain.append('fade=in:st=0:d=1.0:alpha=1')
|
|
if ad_next:
|
|
logo_chain.append('fade=out:st={}:d=1.0:alpha=1'.format(length))
|
|
|
|
if not ad:
|
|
logo_filter = '{}[l];[v][l]{}[logo]'.format(
|
|
','.join(logo_chain), _pre_comp.logo_filter)
|
|
else:
|
|
logo_filter = '[v]null[logo]'
|
|
else:
|
|
logo_filter = '[v]null[logo]'
|
|
|
|
video_filter = [
|
|
'-filter_complex', '[0:v]{};{};{}'.format(
|
|
scale, video_fade, logo_filter)]
|
|
|
|
if _pre_comp.copy:
|
|
return []
|
|
elif dummy:
|
|
return video_filter + video_map + ['-map', '1:a']
|
|
else:
|
|
return video_filter + audio_filter + video_map + audio_map
|
|
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# main functions
|
|
# ------------------------------------------------------------------------------
|
|
|
|
# read values from json playlist
|
|
class GetSourceIter:
|
|
def __init__(self):
|
|
self.last_time = get_time('full_sec')
|
|
|
|
if 0 <= self.last_time < _playlist.start:
|
|
self.last_time += 86400
|
|
|
|
self.last_mod_time = 0.0
|
|
self.json_file = None
|
|
self.clip_nodes = None
|
|
self.src_cmd = None
|
|
self.filtergraph = []
|
|
self.first = True
|
|
self.last = False
|
|
self.list_date = get_date(True)
|
|
self.is_dummy = False
|
|
self.has_begin = False
|
|
self.init_time = get_time('full_sec')
|
|
self.last_error = ''
|
|
self.timestamp = get_time('stamp')
|
|
|
|
self.src = None
|
|
self.seek = 0
|
|
self.out = 20
|
|
self.duration = 20
|
|
self.ad = False
|
|
self.ad_last = False
|
|
self.ad_next = False
|
|
|
|
def get_playlist(self):
|
|
if stdin_args.file:
|
|
self.json_file = stdin_args.file
|
|
else:
|
|
year, month, day = self.list_date.split('-')
|
|
self.json_file = os.path.join(
|
|
_playlist.path, year, month, self.list_date + '.json')
|
|
|
|
if file_exist(self.json_file):
|
|
# check last modification from playlist
|
|
mod_time = os.path.getmtime(self.json_file)
|
|
if mod_time > self.last_mod_time:
|
|
with open(self.json_file, 'r', encoding='utf-8') as f:
|
|
self.clip_nodes = json.load(f)
|
|
|
|
self.last_mod_time = mod_time
|
|
logger.info('open: ' + self.json_file)
|
|
validate_thread(self.clip_nodes)
|
|
else:
|
|
# when we have no playlist for the current day,
|
|
# then we generate a black clip
|
|
# and calculate the seek in time, for when the playlist comes back
|
|
self.error_handling('Playlist not exist:')
|
|
|
|
# when begin is in playlist, get start time from it
|
|
if self.clip_nodes and 'begin' in self.clip_nodes:
|
|
h, m, s = self.clip_nodes["begin"].split(':')
|
|
if is_float(h) and is_float(m) and is_float(s):
|
|
self.has_begin = True
|
|
self.init_time = float(h) * 3600 + float(m) * 60 + float(s)
|
|
else:
|
|
self.has_begin = False
|
|
|
|
def get_clip_in_out(self, node):
|
|
if is_float(node["in"]):
|
|
self.seek = node["in"]
|
|
else:
|
|
self.seek = 0
|
|
|
|
if is_float(node["duration"]):
|
|
self.duration = node["duration"]
|
|
else:
|
|
self.duration = 20
|
|
|
|
if is_float(node["out"]):
|
|
self.out = node["out"]
|
|
else:
|
|
self.out = self.duration
|
|
|
|
def map_extension(self, node):
|
|
if _playlist.map_ext:
|
|
_ext = literal_eval(_playlist.map_ext)
|
|
self.src = node["source"].replace(
|
|
_ext[0], _ext[1])
|
|
else:
|
|
self.src = node["source"]
|
|
|
|
def url_or_live_source(self):
|
|
prefix = self.src.split('://')[0]
|
|
|
|
# check if input is a live source
|
|
if prefix in _pre_comp.protocols:
|
|
cmd = [
|
|
'ffprobe', '-v', 'error', '-show_entries', 'format=duration',
|
|
'-of', 'default=noprint_wrappers=1:nokey=1', self.src]
|
|
|
|
try:
|
|
output = check_output(cmd).decode('utf-8')
|
|
except CalledProcessError:
|
|
output = None
|
|
|
|
if not output:
|
|
self.duration = 20
|
|
mailer.error('Clip not exist:\n{}'.format(self.src))
|
|
logger.error('Clip not exist: {}'.format(self.src))
|
|
self.src = None
|
|
self.out = 20
|
|
elif is_float(output):
|
|
self.duration = float(output)
|
|
else:
|
|
self.duration = 86400
|
|
self.out = self.out - self.seek
|
|
self.seek = 0
|
|
|
|
def get_input(self):
|
|
self.src_cmd, self.time_left = gen_input(
|
|
self.src, self.begin, self.duration,
|
|
self.seek, self.out, self.last
|
|
)
|
|
|
|
def is_source_dummy(self):
|
|
if self.src_cmd and 'lavfi' in self.src_cmd:
|
|
self.is_dummy = True
|
|
else:
|
|
self.is_dummy = False
|
|
|
|
def get_category(self, index, node):
|
|
if 'category' in node:
|
|
if index - 1 >= 0:
|
|
last_category = self.clip_nodes[
|
|
"program"][index - 1]["category"]
|
|
else:
|
|
last_category = 'noad'
|
|
|
|
if index + 2 <= len(self.clip_nodes["program"]):
|
|
next_category = self.clip_nodes[
|
|
"program"][index + 1]["category"]
|
|
else:
|
|
next_category = 'noad'
|
|
|
|
if node["category"] == 'advertisement':
|
|
self.ad = True
|
|
else:
|
|
self.ad = False
|
|
|
|
if last_category == 'advertisement':
|
|
self.ad_last = True
|
|
else:
|
|
self.ad_last = False
|
|
|
|
if next_category == 'advertisement':
|
|
self.ad_next = True
|
|
else:
|
|
self.ad_next = False
|
|
|
|
def set_filtergraph(self):
|
|
self.filtergraph = build_filtergraph(
|
|
self.first, self.duration, self.seek, self.out,
|
|
self.ad, self.ad_last, self.ad_next, self.is_dummy)
|
|
|
|
def error_handling(self, message):
|
|
self.seek = 0.0
|
|
self.out = 20
|
|
self.duration = 20
|
|
self.ad = False
|
|
|
|
day_in_sec = 86400.0
|
|
ref_time = day_in_sec + _playlist.start
|
|
time = get_time('full_sec')
|
|
|
|
if 0 <= time < _playlist.start:
|
|
time += day_in_sec
|
|
|
|
time_diff = 7.5 + self.out - self.seek + time
|
|
new_len = self.out - self.seek - (time_diff - ref_time)
|
|
|
|
if new_len <= 1800:
|
|
self.out = abs(new_len)
|
|
self.duration = abs(new_len)
|
|
self.list_date = get_date(False)
|
|
self.last_mod_time = 0.0
|
|
self.first = False
|
|
|
|
self.last_time = 0.0
|
|
else:
|
|
self.list_date = get_date(True)
|
|
self.last_time += self.out - self.seek
|
|
|
|
self.src_cmd = gen_dummy(self.out - self.seek)
|
|
self.is_dummy = True
|
|
self.set_filtergraph()
|
|
|
|
if get_time('stamp') - self.timestamp > 3600 \
|
|
and message != self.last_error:
|
|
self.last_error = message
|
|
mailer.error('{}\n{}'.format(message, self.json_file))
|
|
self.timestamp = get_time('stamp')
|
|
|
|
logger.error('{} {}'.format(message, self.json_file))
|
|
|
|
self.last = False
|
|
|
|
def next(self):
|
|
while True:
|
|
self.get_playlist()
|
|
|
|
if self.clip_nodes is None:
|
|
self.is_dummy = True
|
|
self.set_filtergraph()
|
|
yield self.src_cmd, self.filtergraph
|
|
continue
|
|
|
|
self.begin = self.init_time
|
|
|
|
# loop through all clips in playlist
|
|
for index, node in enumerate(self.clip_nodes["program"]):
|
|
self.get_clip_in_out(node)
|
|
|
|
# first time we end up here
|
|
if self.first and \
|
|
self.last_time < self.begin + self.out - self.seek:
|
|
if self.has_begin:
|
|
# calculate seek time
|
|
self.seek = self.last_time - self.begin + self.seek
|
|
|
|
self.map_extension(node)
|
|
self.url_or_live_source()
|
|
self.get_input()
|
|
self.is_source_dummy()
|
|
self.get_category(index, node)
|
|
self.set_filtergraph()
|
|
|
|
self.first = False
|
|
self.last_time = self.begin
|
|
break
|
|
elif self.last_time < self.begin:
|
|
if index + 1 == len(self.clip_nodes["program"]):
|
|
self.last = True
|
|
else:
|
|
self.last = False
|
|
|
|
if self.has_begin:
|
|
check_sync(self.begin)
|
|
|
|
self.map_extension(node)
|
|
self.url_or_live_source()
|
|
self.get_input()
|
|
self.is_source_dummy()
|
|
self.get_category(index, node)
|
|
self.set_filtergraph()
|
|
|
|
if self.time_left is None:
|
|
# normal behavior
|
|
self.last_time = self.begin
|
|
elif self.time_left > 0.0:
|
|
# when playlist is finish and we have time left
|
|
self.list_date = get_date(False)
|
|
self.last_time = self.begin
|
|
self.out = self.time_left
|
|
|
|
self.error_handling('Playlist is not valid!')
|
|
|
|
else:
|
|
# when there is no time left and we are in time,
|
|
# set right values for new playlist
|
|
self.list_date = get_date(False)
|
|
self.last_time = _playlist.start - 5
|
|
self.last_mod_time = 0.0
|
|
|
|
break
|
|
|
|
self.begin += self.out - self.seek
|
|
else:
|
|
# when we reach currect end, stop script
|
|
if 'begin' not in self.clip_nodes or \
|
|
'length' not in self.clip_nodes and \
|
|
self.begin < get_time('full_sec'):
|
|
logger.info('Playlist reach End!')
|
|
return
|
|
|
|
# when playlist exist but is empty, or not long enough,
|
|
# generate dummy and send log
|
|
self.error_handling('Playlist is not valid!')
|
|
|
|
if self.src_cmd is not None:
|
|
yield self.src_cmd, self.filtergraph
|
|
|
|
|
|
# independent thread for clip preparation
|
|
def play_clips(buffer, GetSourceIter):
|
|
# send current file to buffer stdin
|
|
get_source = GetSourceIter()
|
|
|
|
for src_cmd, filtergraph in get_source.next():
|
|
if _pre_comp.copy:
|
|
ff_pre_settings = _pre_comp.copy_settings
|
|
else:
|
|
ff_pre_settings = filtergraph + [
|
|
'-pix_fmt', 'yuv420p', '-r', str(_pre_comp.fps),
|
|
'-c:v', 'mpeg2video', '-intra',
|
|
'-b:v', '{}k'.format(_pre_comp.v_bitrate),
|
|
'-minrate', '{}k'.format(_pre_comp.v_bitrate),
|
|
'-maxrate', '{}k'.format(_pre_comp.v_bitrate),
|
|
'-bufsize', '{}k'.format(_pre_comp.v_bufsize),
|
|
'-c:a', 's302m', '-strict', '-2', '-ar', '48000', '-ac', '2',
|
|
'-threads', '2', '-f', 'mpegts', '-'
|
|
]
|
|
|
|
try:
|
|
if src_cmd[0] == '-i':
|
|
current_file = src_cmd[1]
|
|
else:
|
|
current_file = src_cmd[3]
|
|
|
|
logger.info('play: "{}"'.format(current_file))
|
|
|
|
# TODO: stderr and stdin only when they are used
|
|
decoder = Popen(
|
|
[
|
|
'ffmpeg', '-v', 'error', '-hide_banner', '-nostats'
|
|
] + src_cmd + list(ff_pre_settings),
|
|
stdout=PIPE
|
|
)
|
|
|
|
for data in iter(decoder.stdout.readline, ''):
|
|
if not data:
|
|
break
|
|
|
|
buffer.put(data)
|
|
|
|
# TODO: make this nicer
|
|
except Exception:
|
|
print(traceback.format_exc())
|
|
|
|
finally:
|
|
buffer.put(None)
|
|
decoder.wait()
|
|
|
|
|
|
def main():
|
|
year = get_date(False).split('-')[0]
|
|
|
|
# open a buffer for the streaming pipeline
|
|
# stdin get the files loop
|
|
# stdout pipes to ffmpeg rtmp streaming
|
|
# TODO: have an eye on maxsize
|
|
buffer = Queue(maxsize=12)
|
|
try:
|
|
if _playout.preview:
|
|
# preview playout to player
|
|
playout = Popen([
|
|
'ffplay',
|
|
'-hide_banner', '-nostats', '-i', 'pipe:0'],
|
|
stderr=None,
|
|
stdin=PIPE,
|
|
stdout=None
|
|
)
|
|
else:
|
|
# playout to rtmp
|
|
if _pre_comp.copy:
|
|
playout_pre = [
|
|
'ffmpeg', '-v', 'info', '-hide_banner', '-nostats',
|
|
'-re', '-i', 'pipe:0', '-c', 'copy'
|
|
] + _playout.post_comp_copy
|
|
else:
|
|
playout_pre = [
|
|
'ffmpeg', '-v', 'info', '-hide_banner', '-nostats',
|
|
'-re', '-thread_queue_size', '256',
|
|
'-i', 'pipe:0'
|
|
] + _playout.post_comp_video + \
|
|
_playout.post_comp_audio
|
|
|
|
playout = Popen(
|
|
list(playout_pre)
|
|
+ [
|
|
'-metadata', 'service_name=' + _playout.name,
|
|
'-metadata', 'service_provider=' + _playout.provider,
|
|
'-metadata', 'year=' + year
|
|
] + list(_playout.post_comp_extra)
|
|
+ [
|
|
_playout.out_addr
|
|
],
|
|
stdin=PIPE,
|
|
)
|
|
|
|
play_thread = Thread(
|
|
name='play_clips', target=play_clips, args=(
|
|
buffer,
|
|
GetSourceIter,
|
|
)
|
|
)
|
|
play_thread.daemon = True
|
|
play_thread.start()
|
|
|
|
# TODO: this needs to be changed,
|
|
# while True is bad, it needs a check to be able to exit
|
|
# with this loop we also end up never in the check_process function
|
|
while True:
|
|
data = buffer.get()
|
|
if not data:
|
|
playout.terminate()
|
|
break
|
|
|
|
playout.stdin.write(data)
|
|
|
|
check_process(play_thread, playout)
|
|
finally:
|
|
playout.wait()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|