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automarkerQt.py
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# AutoMarker by acrilique.
# This script is a Qt version of the original automarker.py script by acrilique.
from PySide6.QtCore import QThread, Signal, Qt, QRect, QLineF, QPointF, QSize, QTimer
from PySide6.QtWidgets import QApplication, QMainWindow, QFileDialog, QDialog, QSlider, QComboBox, QPushButton, QLabel, QTextEdit, QSpinBox, QScrollBar, QHBoxLayout, QVBoxLayout, QSizePolicy, QGroupBox, QWidget, QFrame
from PySide6.QtGui import QIcon, QPainter, QColor, QLinearGradient, QGradient, QFontDatabase, QFont, QBrush, QPalette
import librosa
import sounddevice as sd
import requests
import numpy as np
import os
import sys
import re
import json
import subprocess
import platform
import time
import tempfile
from packaging.version import parse
###############################
###############################
###############################
# INITIAL SETUP
# - Check what system are we in (Windows or macOS)
# - Set the environment variables
# - Set the basedir variable to the directory where the script is located
# - Install premiere and blender extensions if needed
# - Set the custom font
# - Set the constants
# Note: basedir isn't a constant because its location is decided at runtime
###############################
if platform.system().lower() == "windows":
WINDOWS_SYSTEM = True
import winreg as _winreg # python 3
RESOLVE_SCRIPT_API = "%PROGRAMDATA%\\Blackmagic Design\\DaVinci Resolve\\Support\\Developer\\Scripting"
RESOLVE_SCRIPT_LIB = "C:\\Program Files\\Blackmagic Design\\DaVinci Resolve\\fusionscript.dll"
PYTHONPATH = "%PYTHONPATH%;%RESOLVE_SCRIPT_API%\\Modules\\"
else:
# if not windows, assume it is a macOS
WINDOWS_SYSTEM = False
RESOLVE_SCRIPT_API = "/Library/Application Support/Blackmagic Design/DaVinci Resolve/Developer/Scripting"
RESOLVE_SCRIPT_LIB = "/Applications/DaVinci Resolve/DaVinci Resolve.app/Contents/Libraries/Fusion/fusionscript.so"
PYTHONPATH = "$PYTHONPATH:$RESOLVE_SCRIPT_API/Modules/"
# Set the environment variables
os.environ["RESOLVE_SCRIPT_API"] = RESOLVE_SCRIPT_API
os.environ["RESOLVE_SCRIPT_LIB"] = RESOLVE_SCRIPT_LIB
os.environ["PYTHONPATH"] = PYTHONPATH
if getattr(sys, 'frozen', False):
basedir = sys._MEIPASS
else:
basedir = os.path.dirname(__file__)
try:
from ctypes import windll # Only exists on Windows.
myappid = "acrilique.automarker"
windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)
except ImportError:
pass
try:
flag_path = os.path.join(os.path.expanduser("~"), 'AutoMarker', 'flag.txt')
with open(flag_path, 'r') as flag_file:
flag_content = flag_file.read().strip()
except FileNotFoundError:
# If the file is not found, treat it as not installed
flag_content = "not_installed"
if flag_content == "not_installed":
# Execute the batch script
if WINDOWS_SYSTEM:
subprocess.run([os.path.join(basedir, 'extension_installer_win.bat')])
else:
script_path = os.path.join(basedir, 'extension_installer_mac.sh')
subprocess.run(['chmod', '+x', script_path])
subprocess.run([script_path])
os.makedirs(os.path.dirname(flag_path), exist_ok=True)
# Update the flag.txt file to indicate that the script has been executed, erasing old text
with open(flag_path, 'w') as flag_file:
flag_file.write("installed")
flag_file.close()
def get_default_device_sample_rate():
default_device = sd.default.device
default_samplerate = sd.query_devices(default_device, 'output')['default_samplerate']
return int(default_samplerate)
SAMPLE_RATE = get_default_device_sample_rate()
CREATE_NO_WINDOW = 0x08000000
PREMIERE_PROCESS_NAME = "adobe premiere pro.exe" if WINDOWS_SYSTEM else "Adobe Premiere Pro"
AFTERFX_PROCESS_NAME = "AfterFX.exe" if WINDOWS_SYSTEM else "After Effects"
RESOLVE_PROCESS_NAME = "Resolve.exe" if WINDOWS_SYSTEM else "Resolve"
BLENDER_PROCESS_NAME = "blender.exe" if WINDOWS_SYSTEM else "blender"
CEPPANEL_PROCESS_NAME = "CEPHtmlEngine.exe" if WINDOWS_SYSTEM else "CEPHtmlEngine"
###########################################
###########################################
###########################################
# FUNCTIONS TO CHECK FOR RUNNING APPS AND LOOK PATHS TO EXECUTABLES
# - Their purpose is to create an easy and multiplatform access to this functionality.
###########################################
def is_premiere_running():
"""
Is there a running instance of the Premiere Pro app on this machine ?
:return: (bool) process is running, (int) pid
"""
return exe_is_running(PREMIERE_PROCESS_NAME)
def is_afterfx_running():
return exe_is_running(AFTERFX_PROCESS_NAME)
def is_resolve_running():
return exe_is_running(RESOLVE_PROCESS_NAME)
def start_premiere(use_bat=False):
raise SystemError("Could not guaranty premiere started")
def start_afterfx(use_bat=False):
raise SystemError("Could not guaranty afterfx started")
def exe_is_running(exe_name):
"""
List processes by name to know if one is running
:param exe_name: (str) exact name of the process (ex : 'pycharm64.exe' for windows or 'Safari' for mac)
:return: (bool) process is running, (int) pid
"""
pids = _get_pids_from_name(exe_name)
if len(pids) == 1:
return True, pids[0]
if len(pids) > 1 and (exe_name == AFTERFX_PROCESS_NAME or exe_name == PREMIERE_PROCESS_NAME):
return True, pids[0]
if len(pids) > 1:
raise OSError("More than one process matching name '{}' were found running (pid: {})".format(exe_name, pids))
return False, None
def count_running_exe(exe_name):
"""
List processes by name to know how many are running
:param exe_name: (str) exact name of the process (ex : 'pycharm64.exe' for windows or 'Safari' for mac)
:return: (int) Number of process with given name running
"""
return len(_get_pids_from_name(exe_name))
def _get_pids_from_name(process_name):
"""
Given a process name get ids of running process matching this name
:param process_name: (str) process name (ex : 'pycharm64.exe' for windows or 'Safari' for mac)
:return: (list of int) pids
"""
if WINDOWS_SYSTEM:
# use tasklist windows command with filter by name
call = 'TASKLIST', '/FI', 'imagename eq {}'.format(process_name)
output = subprocess.check_output(call, creationflags=CREATE_NO_WINDOW)
if sys.version_info >= (3, 0):
output = output.decode(encoding="437") # encoding for windows console
# parse output lines
lines = output.strip().splitlines()
matching_lines = [l for l in lines if l.lower().startswith(process_name.lower())]
# print(f"Matching lines for {process_name}: {matching_lines}")
return [int(re.findall(" ([0-9]{1,6}) [a-zA-Z]", l)[0]) for l in matching_lines]
else:
# use pgrep UNIX command to filter processes by name
try:
output = subprocess.check_output(["pgrep", "-f", process_name])
except subprocess.CalledProcessError: # pgrep seems to crash if the given name is not a running process...
return list()
# parse output lines
lines = output.strip().splitlines()
# print(f"Lines for {process_name}: {lines}")
return list(map(int, lines))
def _get_last_exe_mac(app_name):
"""
MACOS ONLY
Get the executable path on disk of the last installed application version using macOS System Profiler
:param app_name: (str) name of the application
:return: (str) path to executable
"""
# list all installed app to a json datastructure
output = subprocess.check_output(["system_profiler", "-json", "SPApplicationsDataType"])
apps_data = json.loads(output)["SPApplicationsDataType"]
# filter installed versions of the specified application
app_apps = [data for data in apps_data if app_name.lower() in data["_name"].lower()]
if not app_apps:
raise OSError(f"Could not find a {app_name} version installed on this computer")
# get last app version path
app_apps.sort(key=lambda d: d["version"], reverse=True)
return app_apps[0]["path"]
def _get_last_exe_windows(registry_name, app_name):
"""
WINDOWS ONLY
Get the executable path on disk of the last installed application version using windows registry
:param app_name: (str) name of the application
:return: (str) path to executable
"""
app_versions = _get_installed_softwares_info(registry_name.lower())
if not app_versions:
raise OSError(f"Could not find a {registry_name} version installed on this computer")
# find last installed version
last_version_num = sorted([parse(v["DisplayVersion"]) for v in app_versions])[-1]
last_version_info = [v for v in app_versions if v["DisplayVersion"] == str(last_version_num)][0]
# search actual exe path
base_path = last_version_info["InstallLocation"]
build_year = last_version_info["DisplayName"].split(" ")[-1]
wrong_paths = list()
for folder_name in [f"{registry_name} CC {{}}", f"{registry_name} {{}}", ""]: # different versions formatting
exe_path = os.path.join(base_path, folder_name.format(build_year), "Support Files", f"{app_name}")
if not os.path.isfile(exe_path):
wrong_paths.append(exe_path)
continue
wrong_paths = list()
break
if len(wrong_paths) != 0:
raise IOError(f"Could not find {app_name} executable in '{wrong_paths}'")
return exe_path
def _get_installed_softwares_info(name_filter, names=["DisplayVersion", "InstallLocation"]):
"""
WINDOWS ONLY
Looking into Uninstall key in Windows registry, we can get some infos about installed software
:param name_filter: (str) filter software containing this name
:return: (list of dict) info of software found
"""
reg = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE)
key = _winreg.OpenKey(reg, r"SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall")
apps_info = list()
# list all installed apps
for i in range(_winreg.QueryInfoKey(key)[0]):
subkey_name = _winreg.EnumKey(key,i)
subkey = _winreg.OpenKey(key, subkey_name)
try:
soft_name = _winreg.QueryValueEx(subkey, "DisplayName")[0]
except EnvironmentError:
continue
if name_filter.lower() not in soft_name.lower():
continue
apps_info.append(dict({n: _winreg.QueryValueEx(subkey, n)[0] for n in names}, DisplayName=soft_name))
return apps_info
###########################################
###########################################
###########################################
# INTERFACES TO HANDLE THE COMMUNICATION WITH THE APPS
###########################################
# AE interface
class AE_JSWrapper(object):
def __init__(self, aeVersion = "", returnFolder = ""):
self.aeVersion = aeVersion
# Try to find last AE version if value is not specified. Currently 24.0 is the last version.
if not len(self.aeVersion):
if WINDOWS_SYSTEM:
self.aeVersion = str(int(time.strftime("%Y")[2:]) + 1) + ".0" # 24.0
else:# 2024
self.aeVersion = str(int(time.strftime("%Y")) + 1) # 2024
if WINDOWS_SYSTEM:
# Get the AE_ exe.
if custom_ae_path is not None:
self.aeApp = custom_ae_path
else:
try:
self.aeApp = _get_last_exe_windows("Adobe After Effects", AFTERFX_PROCESS_NAME)
except Exception as e:
print (e)
pass
# else:
# guess_path = "/Applications/Adobe After Effects " + self.aeVersion + "/Adobe After Effects " + self.aeVersion + ".app/Contents/aerendercore.app/Contents/MacOS/aerendercore"
# if os.path.exists(guess_path):
# self.aeApp = guess_path
# else:
# print ("ERROR: Unable to find After Effects version " + self.aeVersion + " on this computer\nTo get correct version number please check https://en.wikipedia.org/wiki/Adobe_After_Effects\nFor example, \"After Effect CC 2019\" is version \"16.0\"")
# else:
# try:
# self.aeApp = _get_last_exe_mac(AFTERFX_PROCESS_NAME)
# # We only need a string like "Adobe After Effects <version>".
# self.aeApp = self.aeApp.replace("/Contents/MacOS/AfterFX", "")
# self.aeApp = os.path.basename(os.path.dirname(self.aeApp))
#
# except Exception as e:
# print (e)
# pass
# Get the path to the return file. Create it if it doesn't exist.
if not len(returnFolder):
if WINDOWS_SYSTEM:
returnFolder = os.path.join(tempfile.gettempdir(), "AutoMarker")
else:
returnFolder = os.path.join(os.path.expanduser("~"), "Documents", "AutoMarker")
self.returnFile = os.path.join(returnFolder, "ae_temp_ret.txt")
if not os.path.exists(returnFolder):
os.mkdir(returnFolder)
# Ensure the return file exists...
with open(self.returnFile, 'w') as f:
f.close()
# Establish the last time the temp file was modified. We use this to listen for changes.
self.lastModTime = os.path.getmtime(self.returnFile)
# Temp file to store the .jsx commands.
self.tempJsxFile = os.path.join(returnFolder, "ae_temp_com.jsx")
# This list is used to hold all the strings which eventually become our .jsx file.
self.commands = []
def openAE(self):
"""Pass the commands to the subprocess module."""
target = [self.aeApp]
ret = subprocess.Popen(target)
# This group of helper functions are used to build and execute a jsx file.
def jsNewCommandGroup(self):
"""clean the commands list. Called before making a new list of commands"""
self.commands = []
def jsExecuteCommand(self):
if WINDOWS_SYSTEM:
target = [self.aeApp, "-ro", self.tempJsxFile]
else:
# Get the absolute path to the JSX file
jsx_file_path = os.path.abspath(self.tempJsxFile)
# Activate After Effects
subprocess.Popen(['osascript', '-e', f'tell application "Adobe After Effects {self.aeVersion}" to activate'])
time.sleep(0.1) # Wait for After Effects to activate
# Run the JSX script
target = ['osascript', '-e', f'tell application "Adobe After Effects {self.aeVersion}" to DoScriptFile "{jsx_file_path}"']
ret = subprocess.Popen(target)
def jsWriteDataOut(self, returnRequest):
""" An example of getting a return value"""
com = (
"""
var retVal = %s; // Ask for some kind of info about something.
// Write to temp file.
var datFile = new File("[DATAFILEPATH]");
datFile.open("w");
datFile.writeln(String(retVal)); // return the data cast as a string.
datFile.close();
""" % (returnRequest)
)
returnFileClean = "/" + self.returnFile.replace("\\", "/").replace(":", "").lower()
com = com.replace("[DATAFILEPATH]", returnFileClean)
self.commands.append(com)
def readReturn(self):
"""Helper function to wait for AE to write some output for us."""
# Give time for AE to close the file...
time.sleep(0.1)
self._updated = False
while not self._updated:
self.thisModTime = os.path.getmtime(self.returnFile)
if str(self.thisModTime) != str(self.lastModTime):
self.lastModTime = self.thisModTime
self._updated = True
f = open(self.returnFile, "r+")
content = f.readlines()
f.close()
res = []
for item in content:
res.append(str(item.rstrip()))
return res
class AE_JSInterface(object):
def __init__(self, aeVersion = "", returnFolder = ""):
self.aeWindowName = "Adobe After Effects"
self.aeCom = AE_JSWrapper(aeVersion, returnFolder) # Create wrapper to handle JSX
def openAE(self):
self.aeCom.openAE()
def addMarkers(self, list):
jsxTodo = f"""
var item = app.project.activeItem;
var beats = {list};
if (app.project.activeItem instanceof CompItem) {{
var comp = app.project.activeItem;
}} else if (app.project.item(1) instanceof CompItem) {{
var comp = app.project.item(1);
}}
for (var i = 0; i < beats.length; i++) {{
var compMarker = new MarkerValue(String(i));
comp.markerProperty.setValueAtTime(beats[i], compMarker);
}}
"""
with open(self.aeCom.tempJsxFile, 'w') as f:
f.write(jsxTodo)
f.close()
self.aeCom.jsExecuteCommand()
time.sleep(0.1)
def clearAllMarkers(self):
jsxTodo = f"""
var item = app.project.activeItem;
if (app.project.activeItem instanceof CompItem) {{
var comp = app.project.activeItem;
}} else if (app.project.item(1) instanceof CompItem) {{
var comp = app.project.item(1);
}}
$
for (var i = comp.markerProperty.numKeys; i > 0; i = i - 1) {{
comp.markerProperty.removeKey(1);
}}
"""
with open(self.aeCom.tempJsxFile, 'w') as f:
f.write(jsxTodo)
f.close()
self.aeCom.jsExecuteCommand()
time.sleep(0.1)
###########################################
###########################################
# Premiere interface
class PR_JSWrapper(object):
def __init__(self, prVersion = "", returnFolder = ""):
self.jsxTodo = ""
def jsExecuteCommand(self):
json_data = json.dumps({"to_eval": self.jsxTodo})
response = requests.post("http://127.0.0.1:3000", data=json_data)
# Actual interface
class PR_JSInterface(object):
def __init__(self, prVersion = "", returnFolder = ""):
self.prCom = PR_JSWrapper(prVersion, returnFolder) # Create wrapper to handle JSX
def addMarkers(self, list):
self.prCom.jsxTodo = f"""
for (var i = 0; i < {list}.length; i++) {{
var compas = {compas};
$.writeln("list[i]: " + {list}[i]);
$.writeln("end: " + app.project.activeSequence.end);
if ({list}[i] < app.project.activeSequence.end)
marker = app.project.activeSequence.markers.createMarker({list}[i]);
if i % compas == 0 {{
marker.setColorByIndex({first_beat_color});
}} else {{
marker.setColorByIndex({other_beat_color});
}}
}}
"""
self.prCom.jsExecuteCommand()
time.sleep(0.1)
def clearAllMarkers(self):
self.prCom.jsxTodo = f"""
var markers = app.project.activeSequence.markers;
var current_marker = markers.getFirstMarker();
while (markers.numMarkers > 0) {{
var to_delete = current_marker;
current_marker = markers.getNextMarker(current_marker);
markers.deleteMarker(to_delete);
}}
"""
self.prCom.jsExecuteCommand()
time.sleep(0.1)
###########################################
###########################################
# Resolve interface
class Resolve_Interface(object):
def __init__(self):
self.resolve = Resolve_Interface.GetResolve()
def GetResolve():
try:
# The PYTHONPATH needs to be set correctly for this import statement to work.
# An alternative is to import the DaVinciResolveScript by specifying absolute path (see ExceptionHandler logic)
import DaVinciResolveScript as bmd
except ImportError:
if sys.platform.startswith("darwin"):
expectedPath="/Library/Application Support/Blackmagic Design/DaVinci Resolve/Developer/Scripting/Modules/"
elif sys.platform.startswith("win") or sys.platform.startswith("cygwin"):
import os
expectedPath=os.getenv('PROGRAMDATA') + "\\Blackmagic Design\\DaVinci Resolve\\Support\\Developer\\Scripting\\Modules\\"
elif sys.platform.startswith("linux"):
expectedPath="/opt/resolve/libs/Fusion/Modules/"
# check if the default path has it...
print("Unable to find module DaVinciResolveScript from $PYTHONPATH - trying default locations")
try:
import imp
bmd = imp.load_source('DaVinciResolveScript', expectedPath+"DaVinciResolveScript.py")
except ImportError:
# No fallbacks ... report error:
print("Unable to find module DaVinciResolveScript - please ensure that the module DaVinciResolveScript is discoverable by python")
print("For a default DaVinci Resolve installation, the module is expected to be located in: "+expectedPath)
sys.exit()
return bmd.scriptapp("Resolve")
def addMarkers(self, list, color = "Blue"):
resolve = self.resolve
if not resolve:
print("Error: Failed to get resolve object!")
return
# Get supporting objects
projectManager = resolve.GetProjectManager()
project = projectManager.GetCurrentProject()
timeline = project.GetCurrentTimeline() # current timeline
if not timeline:
print("Error: No current timeline exist, add a timeline (recommended duration >= 80 frames) and try again!")
return
# Open Edit page
resolve.OpenPage("edit")
# Get timeline frames
startFrame = int(timeline.GetStartFrame())
endFrame = int(timeline.GetEndFrame())
numFrames = endFrame - startFrame
framerate = timeline.GetSetting("timelineFrameRate")
# Add Markers
for beat in list:
frame = int(beat * framerate)
if numFrames >= 1:
try: timeline.DeleteMarkerAtFrame(frame)
except: pass
isSuccess = timeline.AddMarker(frame, "Blue", "AutoMarker", "beat-related", 1)
def clearAllMarkers(self):
resolve = self.resolve
if not resolve:
print("Error: Failed to get resolve object!")
return
# Get supporting objects
projectManager = resolve.GetProjectManager()
project = projectManager.GetCurrentProject()
timeline = project.GetCurrentTimeline() # current timeline
if not timeline:
print("Error: No current timeline exist, add a timeline (recommended duration >= 80 frames) and try again!")
return
# Open Edit page
resolve.OpenPage("edit")
timeline.DeleteMarkersByColor("Blue")
###############################
###############################
###############################
# QT CLASSES
class Layout(QWidget):
# this class is only for the set of widgets that are inside the main window, not menubar or statusbar
def __init__(self):
super().__init__()
self.beats = None
self.create_markers_button = QPushButton("Create markers")
self.create_markers_button.setMaximumHeight(80)
self.create_markers_button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.MinimumExpanding)
self.remove_markers_button = QPushButton("Remove markers")
self.remove_markers_button.setMaximumHeight(80)
self.remove_markers_button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.MinimumExpanding)
self.group_box = QGroupBox("")
self.group_box.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.MinimumExpanding)
self.group_box_layout = QVBoxLayout()
self.every_slider = QSlider(Qt.Horizontal)
self.every_slider.setRange(1, 16)
self.every_slider.setValue(4)
self.every_slider.setTickInterval(1)
self.offset_slider = QSlider(Qt.Horizontal)
self.offset_slider.setRange(0, 16)
self.offset_slider.setValue(0)
self.offset_slider.setTickInterval(1)
self.every_h_box_layout = QHBoxLayout()
self.every_label = QLabel("Place markers every x beats")
self.every_text = QSpinBox()
self.every_text.setRange(1, 16)
self.every_text.setValue(4)
self.every_text.setMaximumHeight(24)
self.every_text.setMaximumWidth(50)
self.every_h_box_layout.addWidget(self.every_label)
self.every_h_box_layout.addWidget(self.every_text)
self.group_box_layout.addLayout(self.every_h_box_layout)
self.group_box_layout.addWidget(self.every_slider)
self.offset_h_box_layout = QHBoxLayout()
self.offset_label = QLabel("Offset first beat")
self.offset_text = QSpinBox()
self.offset_text.setRange(0, 16)
self.offset_text.setValue(0)
self.offset_text.setMaximumHeight(24)
self.offset_text.setMaximumWidth(50)
self.offset_h_box_layout.addWidget(self.offset_label)
self.offset_h_box_layout.addWidget(self.offset_text)
self.group_box_layout.addLayout(self.offset_h_box_layout)
self.global_offset_label = QLabel("Global offset")
self.left_global_offset_button = QPushButton(icon = QIcon(os.path.join(basedir, "arrow_left.svg")))
self.left_global_offset_button.setIconSize(QSize(18, 18))
self.right_global_offset_button = QPushButton(icon = QIcon(os.path.join(basedir, "arrow_right.svg")))
self.right_global_offset_button.setIconSize(QSize(18, 18))
self.global_offset_buttons_layout = QHBoxLayout()
self.global_offset_buttons_layout.addWidget(self.global_offset_label)
self.global_offset_buttons_layout.addWidget(self.left_global_offset_button)
self.global_offset_buttons_layout.addWidget(self.right_global_offset_button)
self.group_box_layout.addWidget(self.offset_slider)
self.group_box_layout.addLayout(self.global_offset_buttons_layout)
self.group_box.setLayout(self.group_box_layout)
self.follow_line_button = QPushButton("Follow line")
self.follow_line_button.setCheckable(True)
self.follow_line_button.setMaximumHeight(80)
self.follow_line_button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.MinimumExpanding)
self.play_pause_button = QPushButton("Play")
self.play_pause_button.setMaximumHeight(80)
self.play_pause_button.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.MinimumExpanding)
self.left_v_layout = QVBoxLayout()
self.left_v_layout.addWidget(self.create_markers_button, 2)
self.left_v_layout.addWidget(self.remove_markers_button, 1)
self.left_v_layout.addWidget(self.group_box, 1)
self.left_v_layout.addWidget(self.follow_line_button)
self.left_v_layout.addWidget(self.play_pause_button)
self.h_layout = QHBoxLayout()
self.h_layout.addLayout(self.left_v_layout, 1)
self.waveform_display = WaveformDisplay()
self.waveform_display.sizePolicy().setVerticalPolicy(QSizePolicy.Expanding)
self.position_slider = WaveformSlider()
self.position_slider.setMinimumHeight(10)
self.position_slider.sizeHint().setHeight(10)
self.position_slider.setMaximumHeight(80)
self.position_slider.sizePolicy().setVerticalPolicy(QSizePolicy.Minimum)
self.scroll_bar = None
self.right_v_layout = QVBoxLayout()
self.right_v_layout.addWidget(self.position_slider)
self.right_v_layout.addWidget(self.waveform_display)
self.h_layout.addLayout(self.right_v_layout, 3)
self.setLayout(self.h_layout)
self.setStyleSheet(
"""
QGroupBox {
background-color: #30323D;
border: 1px solid gray;
border-radius: 7px;
}
QLabel {
color: #F4F2F3;
}
QSlider::handle::horizontal {
background: #BEC1D2;
border: 1px solid #777;
}
QSlider::handle::horizontal::hover {
background: #CFD3E9;
border: 1px solid #777;
}
"""
)
def add_beats(self, beats):
self.beats = self.beats = [int(beat * SAMPLE_RATE) for beat in beats]
self.waveform_display.set_beats(self.beats[::4])
self.update()
def add_preview(self, analyzer_data, sample_rate):
self.sample_rate = sample_rate
self.data = analyzer_data.tolist()
self.waveform_display.set_samples(self.data, channels=1, samplerate=self.sample_rate)
self.position_slider.add_data(self.data)
if self.scroll_bar == None: self.scroll_bar = QScrollBar(Qt.Horizontal)
self.scroll_bar.setRange(0, len(self.data))
self.scroll_bar.setValue(0)
self.scroll_bar.setSingleStep(sample_rate / 10)
self.right_v_layout.addWidget(self.scroll_bar)
self.update()
class WaveformSlider(QSlider):
def __init__(self, parent=None):
super().__init__(parent)
self.setRange(0, 100)
self.setValue(0)
self.setOrientation(Qt.Horizontal)
self.setStyleSheet("""
QSlider::groove:horizontal {
border: 1px solid #F4F2F3;
background: #F4F2F3;
height: 0px;
border-radius: 0px;
}
QSlider::handle:horizontal {
background: #30323D;
border: 0px;
width: 8px;
margin: -10px 0; /* handle is placed by default on the contents rect of the groove. Expand outside the groove */
border-radius: 0px;
}
""")
self.data = None
def add_data(self, data):
self.data = data[::8]
self.setRange(0, len(data))
self.update()
def paintEvent(self, event):
if self.data is not None:
painter = QPainter()
painter.begin(self)
self.draw_waveform(painter)
painter.end()
super().paintEvent(event)
def draw_waveform(self, painter):
pen = painter.pen()
pen.setColor("#BEC1D2")
height = painter.device().height()
zero_y = float(height) / 2
width = painter.device().width()
num_frames = len(self.data)
samples_per_pixel = num_frames / float(width)
# draw background
brush = QBrush()
brush.setColor(QColor('#595C70'))
brush.setStyle(Qt.BrushStyle.SolidPattern)
rect = QRect(0, 0, width, height)
painter.fillRect(rect, brush)
# draw waveform
if self.data is not None:
painter.setPen(pen)
for pixel in range(width):
offset = round(pixel * samples_per_pixel)
if 0 <= offset < num_frames:
start = offset
end = max(start + 1, start + int(samples_per_pixel))
values = self.data[start:end]
max_value = max(values)
min_value = min(values)
if max_value > 0:
y = zero_y - zero_y * max_value
painter.drawLine(QPointF(pixel, zero_y), QPointF(pixel, y))
if min_value < 0:
y = zero_y - zero_y * min_value
painter.drawLine(QPointF(pixel, zero_y), QPointF(pixel, y))
class WaveformDisplay(QWidget):
"""Custom widget for waveform representation of a digital audio signal."""
zoom_signal = Signal(int, int)
scroll_signal = Signal(int)
def __init__(self, frames=None, channels=1, samplerate=SAMPLE_RATE, beats=None, *args, **kwargs):
super().__init__(*args, **kwargs)
self._sampleframes = frames
self._beatsamples = beats
self._channels = channels
self._samplerate = samplerate
self.waveform_color = QColor('#5EA48E')
# ~ self.waveform_color = QtGui.QColor(255, 255, 255, 160)
self.background_color = QColor('#30323D')
self.background_gradient = QLinearGradient()
self.background_gradient.setColorAt(0, QColor('#AEBEBF'))
self.background_gradient.setColorAt(1, QColor('#C3D4D6'))
self.background_gradient.setSpread(QGradient.Spread.ReflectSpread)
self.foreground_color = QColor('#F4F2F3')
self._startframe = 0
self._endframe = self._samplerate*10
self.track_line_position = 0
def sizeHint(self) -> QSize:
return QSize(400, 200)
def wheelEvent(self, event):
deltay = event.angleDelta().y()
deltax = event.angleDelta().x()
if (self._endframe - self._startframe) < SAMPLE_RATE / 8:
self._endframe = self._startframe + SAMPLE_RATE / 8
elif (self._endframe - self._startframe) > SAMPLE_RATE * 60:
self._endframe = self._startframe + SAMPLE_RATE * 60
if deltay != 0:
pos = int(event.position().x() / self.width() * ((self._endframe - self._startframe) + self._startframe))
self.zoom_signal.emit(deltay, pos)
if deltax != 0:
self.scroll_signal.emit(deltax)
def paintEvent(self, event):
painter = QPainter()
painter.begin(self)
if self._sampleframes is not None and len(self._sampleframes) > 0:
self.draw_waveform(painter)
if self._beatsamples is not None: self.draw_markers(painter)
if is_playing == True: self.draw_track_line(painter)
else:
self.draw_background(painter)
self.draw_text(painter)
self.draw_border(painter)
painter.end()
def draw_background(self, painter):
painter.fillRect(self.rect(), self.background_color)
def draw_border(self, painter):
pen = painter.pen()
pen.setColor("gray")
pen.setWidth(1)
pen.setStyle(Qt.PenStyle.SolidLine)
painter.setPen(pen)
rect = self.rect().adjusted(1, 1, -1, -1) # reduce the size by 1 pixel on each side
painter.drawRect(rect)
def draw_text(self, painter):
painter.setPen(self.foreground_color)
painter.drawText(self.rect(), Qt.AlignCenter, "Select an audio file to start!")
def draw_track_line(self, painter):
if self.track_line_position < self._endframe and self.track_line_position > self._startframe:
pen = painter.pen()
pen.setColor(QColor('#C45ECE')) # Set the color for the track line
pen.setWidth(2)
pen.setStyle(Qt.PenStyle.SolidLine)
painter.setPen(pen)
width = painter.device().width()
x = (self.track_line_position - self._startframe) * width / (self._endframe - self._startframe)
painter.drawLine(QPointF(x, 0), QPointF(x, painter.device().height()))
def update_track_line_position(self, position):
self.track_line_position = position
def draw_markers(self, painter):
pen = painter.pen()
pen.setColor(QColor('#F4F2F3')) # Set the color for the markers
pen.setWidth(1)
pen.setStyle(Qt.PenStyle.SolidLine)
painter.setPen(pen)
width = painter.device().width()
visible_samples = self._endframe - self._startframe
visible_samples = visible_samples if visible_samples > 0 else 1
for beat in self._beatsamples:
# Subtract the start frame index from the beat sample index
beat -= self._startframe
x = beat * width / visible_samples
painter.drawLine(QPointF(x, 0), QPointF(x, painter.device().height()))
def draw_waveform(self, painter):
pen = painter.pen()
pen.setColor("#88BDA6")
height = painter.device().height()
zero_y = float(height) / 2
width = painter.device().width()
num_frames = len(self._sampleframes[self._startframe:self._endframe])
samples_per_pixel = num_frames / float(width)
# draw background
# ~ brush = QtGui.QBrush()
# ~ brush.setColor(self.background_color)
# ~ brush.setStyle(Qt.BrushStyle.SolidPattern)
# self.background_gradient.setStart(0.0, zero_y)
# self.background_gradient.setFinalStop(0.0, 0.0)
rect = QRect(0, 0, width, height)
painter.fillRect(rect, self.background_color)
startframe = self._startframe
# draw waveform
if self._sampleframes is not None:
pen.setColor(self.waveform_color)
painter.setPen(pen)
for pixel in range(width):
offset = round(pixel * samples_per_pixel)
if 0 <= offset < num_frames:
start = startframe + offset
end = max(start + 1, start + int(samples_per_pixel))
values = self._sampleframes[start:end]
max_value = max(values)
min_value = min(values)
if max_value > 0:
y = zero_y - zero_y * max_value
painter.drawLine(QLineF(pixel, zero_y, pixel, y))
if min_value < 0:
y = zero_y - zero_y * min_value
painter.drawLine(QLineF(pixel, zero_y, pixel, y))
# draw zero line
pen.setColor(self.foreground_color)
pen.setStyle(Qt.PenStyle.DotLine)
painter.setPen(pen)
painter.drawLine(QLineF(0.0, zero_y, float(width), zero_y))
def set_samples(self, frames, channels=1, samplerate=SAMPLE_RATE):
self._sampleframes = frames if frames is not None else []
self._channels = channels
self._samplerate = samplerate
self.update()
def set_beats(self, beats):
self._beatsamples = beats if beats is not None else []
self.update()
class StatusChecker(QThread):
statusChanged = Signal(str)
def run(self):
while True:
if is_premiere_running()[0]:
self.statusChanged.emit("1")
elif is_afterfx_running()[0]:
self.statusChanged.emit("2")
elif is_resolve_running()[0]:
self.statusChanged.emit("3")
else:
self.statusChanged.emit("0")
time.sleep(1)
class AddMarkersThread(QThread):
finished = Signal()
def __init__(self, app, beatsamples, every=1, offset=0):
super().__init__()
self.app = app
self.beatsamples = beatsamples
self.every = every
self.offset = offset
def run(self):
if self.app is not None:
markers = self.beatsamples.tolist()[self.offset::self.every]
self.app.addMarkers(markers)
class RemoveMarkersThread(QThread):
finished = Signal()
def __init__(self, app):
super().__init__()
self.app = app
def run(self):
if self.app is not None:
self.app.clearAllMarkers()
class Analyzer(QThread):
finished = Signal()
data_loaded = Signal()
def __init__(self, path, parent=None):
super().__init__(parent)
self.path = path