以下是一种使用Python的OpenCV库来播放视频、录制视频和音频的解决方法：

import cv2
import numpy as np
import pyaudio
import wave

# 播放视频
def play_video(video_path):
    cap = cv2.VideoCapture(video_path)
    
    while(cap.isOpened()):
        ret, frame = cap.read()
        if not ret:
            break
        
        cv2.imshow('Video', frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    
    cap.release()
    cv2.destroyAllWindows()

# 录制视频和音频
def record_video_audio(output_file, duration=10):
    # 视频相关参数
    cap = cv2.VideoCapture(0)
    frame_width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
    frame_height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
    fps = 30.0
    video_writer = cv2.VideoWriter(output_file, cv2.VideoWriter_fourcc(*'XVID'), fps, (frame_width, frame_height))
    
    # 音频相关参数
    audio_format = pyaudio.paInt16
    channels = 1
    sample_rate = 44100
    chunk = 1024
    audio_frames = []
    audio_record_duration = 0
    
    p = pyaudio.PyAudio()
    stream = p.open(format=audio_format,
                    channels=channels,
                    rate=sample_rate,
                    input=True,
                    frames_per_buffer=chunk)
    
    # 录制视频和音频
    start_time = cv2.getTickCount()
    while True:
        ret, frame = cap.read()
        if not ret:
            break
        
        video_writer.write(frame)
        
        audio_data = stream.read(chunk)
        audio_frames.append(audio_data)
        
        current_time = cv2.getTickCount()
        elapsed_time = (current_time - start_time) / cv2.getTickFrequency()
        audio_record_duration = elapsed_time / cv2.getTickFrequency()
        
        if audio_record_duration >= duration:
            break
    
    # 保存音频
    audio_output_file = output_file.replace('.avi', '.wav')
    audio_wavefile = wave.open(audio_output_file, 'wb')
    audio_wavefile.setnchannels(channels)
    audio_wavefile.setsampwidth(p.get_sample_size(audio_format))
    audio_wavefile.setframerate(sample_rate)
    audio_wavefile.writeframes(b''.join(audio_frames))
    audio_wavefile.close()
    
    # 释放资源
    cap.release()
    video_writer.release()
    stream.stop_stream()
    stream.close()
    p.terminate()
    cv2.destroyAllWindows()

# 测试
video_path = 'video.mp4'
output_file = 'output.avi'

play_video(video_path)
record_video_audio(output_file, duration=10)

请注意，上述代码假设你已经安装了OpenCV和PyAudio库，并且摄像头和麦克风设备已正确配置。你需要将视频文件路径和输出文件路径替换为你自己的文件路径。