Python Pyaudio-我可以'；t记录时间超过10秒。可能是什么问题？

我正在开发一个带有Tkinter和Pyaudio的屏幕录像机，但我遇到了一些问题：我不能录制超过10秒的视频。例如，如果我尝试录制1分钟的视频，我只能录制10秒。 我将在下面留下我的代码。我在命令行中没有看到任何错误。我在代码中进行了注释，以便您能够理解发生了什么：

"""
    recordFile.py records audio from the default microphone in a background 
    thread using pyaudio.
"""

import pyaudio
import wave
import threading
import time
import subprocess
from tkinter import messagebox

CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 44100
RECORD_SECONDS = 5


# WAVE_OUTPUT_FILENAME = "tmp/tmp.wav"

class recorder:
    def __init__(self):
        self.going = False  # is the process running?
        self.process = None  # stores a reference to the background thread
        self.filename = ""  # the name of the file to record to
        self.p = pyaudio.PyAudio()
        self.devices = [None]
        self.error = False

    def record(self, filename):
        # end the process before starting a new one
        if self.process and self.process.is_alive():
            self.going = False
        self.error = False

        # start a recording thread
        self.process = threading.Thread(target=self._record)
        self.process.start()
        self.filename = filename

    def _record(self):
        try:
            # initialize pyaudio
            streams = []
            frames = []  # stores audio data
            for i in range(len(self.devices)):
                streams.append(self.p.open(format=FORMAT,
                                           channels=CHANNELS,
                                           rate=RATE,
                                           input=True,
                                           frames_per_buffer=CHUNK,
                                           input_device_index=self.devices[i]))
                frames.append([])

            print("* recording")

            self.going = True  # let the system know that we are running

            while self.going:  # stream the audio into "frames"
                for i in range(len(self.devices)):
                    data = streams[i].read(CHUNK)
                    frames[i].append(data)

            print("* done recording")

            # stop recording
            for i in range(len(self.devices)):
                streams[i].stop_stream()
                streams[i].close()

            # write the audio data to a file (tmp/tmp.wav)
            for i in range(len(self.devices)):
                wf = wave.open(
                    self.filename[:self.filename.find(".")] + "_" + str(i) + self.filename[self.filename.find("."):],
                    'wb')
                wf.setnchannels(CHANNELS)
                wf.setsampwidth(self.p.get_sample_size(FORMAT))
                wf.setframerate(RATE)
                wf.writeframes(b''.join(frames[i]))
                wf.close()
        except Exception as e:
            self.error = True
            messagebox.showerror("AUDIO ERROR", "ERROR ENCOUNTERED RECORDING AUDIO: " + str(e))

    def getDeviceCount(self):
        return self.p.get_device_count()

    def getDeviceName(self, deviceID):
        return self.p.get_device_info_by_index(deviceID)["name"]

    def isInputDevice(self, deviceID):
        return int(self.p.get_device_info_by_index(deviceID)["maxInputChannels"]) > 0

    def getAPIName(self, deviceID):
        return self.p.get_host_api_info_by_index(self.p.get_device_info_by_index(deviceID)["hostApi"])["name"]

    def setToDefault(self):
        self.devices = [None]

    def setToDevices(self, devices):
        self.devices = devices

    def stop_recording(self):
        self.going = False

    def destroy(self):
        self.p.terminate()