Records HipChat video calls

record_hipchat_voice.py

#!/usr/bin/env python3
import os
import subprocess
from time import sleep, time

save_folder = "/home/lcampos/Dropbox/BetterConversationsRecordings"
speakers_monitor_stream = "alsa_output.pci-0000_00_1f.3.analog-stereo.monitor"


class Recording:
    recording_microphone_filename = "recording_microphone.wav"
    recording_speakers_filename = "recording_speakers.wav"

    def __init__(self, save_folder, speakers_monitor_stream):
        self.save_folder = save_folder
        self.speakers_monitor_stream = speakers_monitor_stream
        self.recording_microphone_file_path = "{}/{}".format(self.save_folder, self.recording_microphone_filename)
        self.recording_speakers_file_path = "{}/{}".format(self.save_folder, self.recording_speakers_filename)
        self.recording_final_file_path = "{}/{}-{}.wav".format(self.save_folder, "HipChat", int(time()))

    def start(self):
        self.recording_microphone_process = self.start_recording_microphone()
        self.recording_speakers_process = self.start_recording_speakers()

    def start_recording_microphone(self):
        command = "arecord -fdat {}".format(self.recording_microphone_file_path)
        return subprocess.Popen(command.split())

    def start_recording_speakers(self):
        command = "parec --rate=48000 -d {} --file-format=wav {}".format(self.speakers_monitor_stream, self.recording_speakers_file_path)
        return subprocess.Popen(command.split())

    def stop(self):
        self.recording_microphone_process.terminate()
        sleep(2)
        self.recording_speakers_process.terminate()
        sleep(2)
        self.merge_recordings()
        sleep(2)
        self.clean()

    def merge_recordings(self):
        command = "sox -M {} {} {}".format(self.recording_microphone_file_path, self.recording_speakers_file_path, self.recording_final_file_path)
        subprocess.Popen(command.split())

    def clean(self):
        os.remove(self.recording_microphone_file_path)
        os.remove(self.recording_speakers_file_path)


def is_hipchat_video_window_open():
    try:
        windows = subprocess.check_output("wmctrl -l", shell=True)
    except subprocess.CalledProcessError:
        return False

    if "HipChat Video" in str(windows):
        return True
    return False


recording = None
while True:
    if is_hipchat_video_window_open():
        if not recording:
            recording = Recording(save_folder, speakers_monitor_stream)
            recording.start()
    else:
        if recording:
            recording.stop()
            recording = None
    sleep(1)