Rework of MPV Commander into a new project
This commit is contained in:
commit
f5e52da613
77
config.json
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77
config.json
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{
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"instance_name": "Test",
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"db_name": "videocommander.db",
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"video_tool": "ffplay",
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"buttons": [
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{
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"name": "Goofy",
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"video_url": "videos/goofy.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": true
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},
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{
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"name": "Neutron Stars",
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"video_url": "videos/neutronstars.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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},
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{
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"name": "Gimme The Yeet Boys",
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"video_url": "videos/yeet.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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},
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{
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"name": "Hey Bender",
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"video_url": "videos/bender.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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},
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{
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"name": "Dog of Wisdom",
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"video_url": "videos/dog.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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},
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{
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"name": "Nyan Cat",
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"video_url": "videos/nyan.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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},
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{
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"name": "Smooth Jazz Nyan Cat",
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"video_url": "videos/smoothjazznyan.mp4",
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"video_tool_arguments": [
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"-fs",
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"-loop",
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"0"
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],
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"default": false
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}
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]
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}
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51
index.html
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51
index.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Video Commander</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
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</head>
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<script>
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async function onclick_processor(name) {
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try {
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const response = await fetch(
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window.location.origin + "/stream",
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{
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method: "POST",
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"headers": {
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"Content-Type": "application/json"
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},
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body: JSON.stringify({ "name": name })
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}
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)
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if (!response.ok) {
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throw new Error(`Response status: ${response.status}`)
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}
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const json = await response.json()
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console.log(json)
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} catch (error) {
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console.log(error.message)
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}
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}
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</script>
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<body>
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<div class="container">
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<h1 class="text-center">Video Commander Instance {{ instance_name }}</h1>
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<h3 class="text-center">Which video stream do you want to show?</h3>
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{% for index in range(buttons | length) %}
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{% if index % 3 == 0 %}
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<div class="row">
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{% endif %}
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{% set current_name = buttons[index]["name"] %}
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<button class="col-sm-4 btn-default p-3 my-1" onclick="onclick_processor('{{ current_name }}')">{{ current_name }}</button>
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{% if index + 1 == buttons | length or (index + 1) % 3 == 0 %}
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</div>
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{% endif %}
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{% endfor %}
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</div>
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</body>
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</html>
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73
video_dbbuilder.py
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73
video_dbbuilder.py
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import sqlite3
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import json
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import sys
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destroy_table = r'''
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DROP TABLE IF EXISTS buttons
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'''
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make_table = r'''
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CREATE TABLE IF NOT EXISTS buttons
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(button_name TEXT PRIMARY KEY,
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video_url TEXT NOT NULL,
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video_arguments TEXT NOT NULL,
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is_default BOOLEAN NOT NULL CHECK (is_default IN (0, 1)),
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is_active BOOLEAN NOT NULL CHECK (is_active IN (0, 1)))
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'''
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insert_row = r'''
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INSERT INTO buttons VALUES
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(?, ?, ?, ?, ?)
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'''
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with open("config.json", "r") as config_file:
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config_json = json.loads(config_file.read())
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config_issues = ""
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if not "instance_name" in config_json.keys():
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config_issues = config_issues + "The config item instance_name is required\n"
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for i in range(len(config_json["buttons"])):
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if not "name" in config_json["buttons"][i].keys():
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config_issues = config_issues + "Config index {index} is missing the required name parameter\n".format(index = (i + 1))
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if not "video_url" in config_json["buttons"][i].keys():
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config_issues = config_issues + "Config index {index} is missing the required video_url parameter\n".format(index = (i + 1))
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if not "default" in config_json["buttons"][i].keys():
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config_issues = config_issues + "Config index {index} is missing the required default parameter\n".format(index = (i + 1))
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all_defaults = [element for element in config_json["buttons"] if element["default"]]
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if len(all_defaults) > 1:
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config_issues = config_issues + "More than one button config is set as default, only one can be the default, remove one of these: {button_list}\n".format(
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button_list = ", ".join([element["name"] if "name" in element else "NAME MISSING" for element in all_defaults])
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)
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elif len(all_defaults) == 0:
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config_issues = config_issues = "At least one button config must be set as the default\n"
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if len(config_issues) != 0:
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print("Config issues detected! Please correct these issues before trying again")
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print(config_issues)
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sys.exit(1)
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db = sqlite3.connect(config_json["db_name"])
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db.execute(destroy_table)
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db.execute(make_table)
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for button in config_json["buttons"]:
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db.execute(insert_row, [
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button["name"],
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button["video_url"],
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" ".join(button["video_tool_arguments"]) if len(button["video_tool_arguments"]) != 0 else "",
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1 if button["default"] else 0,
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1 if button["default"] else 0
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])
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db.commit()
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db.close()
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65
video_player.py
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65
video_player.py
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import os
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import signal
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import subprocess
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import sqlite3
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import time
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import json
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get_active_video = r'''
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SELECT video_url, video_arguments FROM buttons
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WHERE is_active = 1
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LIMIT 1
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'''
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def play_video(previous_process, video_player_path, player_arguments, video_url):
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if not previous_process is None:
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os.killpg(os.getpgid(previous_process.pid), signal.SIGTERM)
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return subprocess.Popen(
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"{video_player} {arguments} {video_url}".format(
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video_player = video_player_path,
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arguments = player_arguments,
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video_url = video_url
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),
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE,
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shell = True,
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preexec_fn = os.setsid
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)
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def get_active_video_url(db):
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cursor = db.execute(get_active_video)
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return cursor.fetchall()[0]
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with open("config.json", "r") as config_file:
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config_json = json.loads(config_file.read())
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current_process = None
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current_video = None
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db = sqlite3.connect(config_json["db_name"])
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while True:
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if current_process is None:
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current_video = get_active_video_url(db)
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current_process = play_video(
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current_process,
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config_json["video_tool"],
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current_video[0],
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current_video[1]
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)
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active_video = get_active_video_url(db)
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if current_video[0] != active_video[0]:
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current_video = active_video
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current_process = play_video(
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current_process,
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config_json["video_tool"],
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current_video[0],
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current_video[1]
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)
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time.sleep(1)
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90
video_webserver.py
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90
video_webserver.py
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@ -0,0 +1,90 @@
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from flask import Flask, request, jsonify, g
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from jinja2 import Template
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import json
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import sys
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import sqlite3
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disable_all_active = r'''
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UPDATE buttons SET is_active = 0
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'''
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set_active_by_name_sql = r'''
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UPDATE buttons SET is_active = 1
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WHERE button_name = ?
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'''
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with open("config.json", "r") as config_file:
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config_json = json.loads(config_file.read())
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app = Flask(__name__)
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def get_db():
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db = getattr(g, "_database", None)
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if db is None:
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db = g._database = sqlite3.connect(config_json["db_name"])
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return db
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def set_active_by_name(name):
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db = get_db()
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db.execute(disable_all_active)
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db.execute(set_active_by_name, name)
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db.commit()
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@app.route("/")
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def root_route():
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with open("index.html", "r") as html_file:
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template = Template(html_file.read())
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return template.render(config_json), 200
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@app.route("/stream", methods=["POST"])
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def stream_route():
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if request.content_type == 'application/json':
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body = request.get_json()
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if not "name" in body.keys():
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error_response = {
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'status': "ERROR",
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"reason": "A name must be specified in the body of the request"
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}
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return jsonify(error_response), 400
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resource_list = [element for element in config_json["buttons"] if element["name"] == body["name"]]
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if(len(resource_list) == 0):
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error_response = {
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'status': "ERROR",
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"reason": "The name {name} does not exist in config['buttons'], check your config".format(name = body["name"])
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}
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return jsonify(error_response), 400
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db = get_db()
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db.execute(disable_all_active)
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db.execute(set_active_by_name_sql, [body["name"]])
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db.commit()
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return jsonify(resource_list[0]), 200
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else:
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error_response = {
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'status': 'ERROR',
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'reason': 'Posted body must be of content type application/json'
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}
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return jsonify(error_response)
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@app.teardown_appcontext
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def close_connection(exception):
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db = getattr(g, '_database', None)
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if db is not None:
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db.close()
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if __name__ == '__main__':
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app.run(debug=True, host="0.0.0.0", port=1801)
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