Camera board • Re: "Or Better"?

Code:

#!/usr/bin/python3# Encode and stream a pair of side-by-side 1000x1000 image streams to give 2000x1000 video at ~15fps.from picamera2 import Picamera2, MappedArrayfrom picamera2.encoders import H264Encoderfrom picamera2.outputs import FfmpegOutputfrom libcamera import Transformimport timeimport osimport sysfrom threading import Lock# Base RTMP server URLrtmp_base_url = "rtmp://#,#,#,#/live/"# Append variable to the RTMP URL if provided as an argumentstream_key = sys.argv[1]rtmp_url = f"{rtmp_base_url}{stream_key}"# Set video parametersfps = 15height = 1000bitrate = 2000000  # 2 Mbpsleftsize = (2 * height, height)  # define 2:1 format for left main streamrightsize = (height, height)     # define 1:1 right main streamFrameTime = int(1000000 / fps)# Select fastest full format sensor modebinned2x2ffmode = 2# Initialize the locklock = Lock()# Merge views of left and right camerasdef mergeviews(request):    global cam2_request    with lock:        request_2 = cam2_request        if request_2 is None:            return        request_2.acquire()        with MappedArray(request, "main") as m1, MappedArray(request_2, "main") as m2:            # fill left half of original left array with half-width downsampled left camera view            m1.array[:, :height] = m1.array[:, ::2]            # fill right half of left array with 1:1 right camera view            m1.array[:, height:] = m2.array        request_2.release()def save_request(request):    global cam2_request    with lock:        # Store most recent request for use by other camera        if cam2_request is not None:            cam2_request.release()        request.acquire()        cam2_request = request# Initialize cameraslcam = Picamera2(0)rcam = Picamera2(1)# Select best modemode = lcam.sensor_modes[3]# Calculate dimensions for crop of central square full height region of sensorsensorsize = lcam.camera_properties['PixelArraySize']sensorwidth = sensorsize[0]sensorheight = sensorsize[1]x = (sensorwidth - sensorheight) // 2crop = (x, 0, sensorheight, sensorheight)# Configure both cameras for full format mode and croppinglconfig = lcam.create_video_configuration(sensor={"output_size": mode['size'], 'bit_depth': mode['bit_depth']},                                          main={"format": "RGB888", "size": leftsize},                                          controls={"ScalerCrop": crop, "FrameDurationLimits": (FrameTime, FrameTime)},                                          transform=Transform(hflip=True, vflip=True),                                          queue=False)rconfig = lcam.create_video_configuration(sensor={"output_size": mode['size'], 'bit_depth': mode['bit_depth']},                                          main={"format": "RGB888", "size": rightsize},                                          controls={"ScalerCrop": crop, "FrameDurationLimits": (FrameTime, FrameTime)},                                          transform=Transform(hflip=True, vflip=True),                                          )lcam.configure(lconfig)rcam.configure(rconfig)# Prepare to encode and output to RTMP streamencoder = H264Encoder(bitrate)output = FfmpegOutput(rtmp_url)lcam.start()rcam.start()cam2_request = Nonercam.pre_callback = save_requestlcam.pre_callback = mergeviews# Short delay to allow Ae and AWB to settle, and avoid recording unprocessed first frametime.sleep(1)# Start streaming indefinitely until stopped manuallylcam.start_recording(encoder, output)# Infinite loop to keep streamingtry:    while True:        time.sleep(1)except KeyboardInterrupt:    # Stop streaming when interrupted (Ctrl + C)    lcam.stop_recording()