80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
import sys
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import numpy as np
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import NDIlib as ndi
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def main():
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if not ndi.initialize():
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print('Cannot run NDI.')
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return 0
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find_create_desc = ndi.FindCreate()
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ndi_find = ndi.find_create_v2(find_create_desc)
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if ndi_find is None:
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return 0
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sources = []
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while not len(sources) > 0:
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print('Looking for sources ...')
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ndi.find_wait_for_sources(ndi_find, 1000)
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sources = ndi.find_get_current_sources(ndi_find)
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if len(sources) < 1:
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return 0
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recv_create_desc = ndi.RecvCreateV3()
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recv_create_desc.source_to_connect_to = sources[0]
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recv_create_desc.ndi_recv_name = 'Example Audio Converter Receiver'
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ndi_recv = ndi.recv_create_v3(recv_create_desc)
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if ndi_recv is None:
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ndi.find_destroy(ndi_find)
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return 0
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ndi.find_destroy(ndi_find)
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while True:
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t, v, a, m = ndi.recv_capture_v2(ndi_recv, 1000)
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if t == ndi.FRAME_TYPE_NONE:
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print('No data received.')
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continue
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if t == ndi.FRAME_TYPE_VIDEO:
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print('Video data received (%dx%d).' % (v.xres, v.yres))
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ndi.recv_free_video_v2(ndi_recv, v)
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continue
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if t == ndi.FRAME_TYPE_AUDIO:
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print('Audio data received (%d samples).' % a.no_samples)
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data = np.zeros((a.no_channels, a.no_samples), np.int16)
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audio_frame_16bpp_interleaved = ndi.AudioFrameInterleaved16s()
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audio_frame_16bpp_interleaved.reference_level = 20
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audio_frame_16bpp_interleaved.data = data
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ndi.util_audio_to_interleaved_16s_v2(
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a, audio_frame_16bpp_interleaved)
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ndi.recv_free_audio_v2(ndi_recv, a)
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continue
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if t == ndi.FRAME_TYPE_METADATA:
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print('Meta data received.')
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ndi.recv_free_metadata(ndi_recv, m)
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continue
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if t == ndi.FRANE_TYPE_STATUS_CHANGE:
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print('Receiver connection status changed.')
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continue
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ndi.recv_destroy(ndi_recv)
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ndi.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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