51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
import sys
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import time
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import numpy as np
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import cv2
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import NDIlib
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def main():
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if not NDIlib.initialize():
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return 0
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cap = cv2.VideoCapture(0)
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send_settings = NDIlib.SendCreate()
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send_settings.p_ndi_name = b'ndi-python'
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ndi_send = NDIlib.send_create(send_settings)
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video_frame = NDIlib.VideoFrameV2()
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start = time.time()
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while time.time() - start < 60 * 5:
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start_send = time.time()
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for idx in reversed(range(200)):
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ret, img = cap.read()
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if ret:
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h, w = img.shape[:2]
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img = cv2.cvtColor(img, cv2.COLOR_BGR2BGRA)
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video_frame.xres = w
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video_frame.yres = h
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video_frame.p_data = img.ctypes.data_as(NDIlib.POINTER(NDIlib.c_uint8))
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video_frame.FourCC = NDIlib.FOURCC_TYPE_BGRX
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video_frame.line_stride_in_bytes = w * 4
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NDIlib.send_send_video_v2(ndi_send, video_frame)
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print('200 frames sent, at %1.2ffps' % (200.0 / (time.time() - start_send)))
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NDIlib.send_destroy(ndi_send)
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NDIlib.destroy()
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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