Send data from a video stream

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nmai

• May 11, 2022 19:15

PSDK provides the function DjiPayloadCamera_SendVideoStream() for sending video stream to the mobile control.  This function sends the stream frame by frame.  For a video file, it's simple to read the frame/packet info using ffmpeg.  Then extract the frames and feed them to DjiPayloadCamera_SendVideoStream().  However, I could not figure out a way to extract the frames from a live stream (not a fixed file).  Anybody has any idea how this can be done?  Thanks.

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  DJI Developer Support

  • May 12, 2022 03:33

  This is related to your camera video encoder. Generally, encoding into H264 is also streamed out by frame, and the encoded frame can be sent through the PSDK API. It needs to be developed in combination with the specific video encoder.

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  nmai

  • May 12, 2022 16:19

  So there is not a way to send the video stream directly?  Frame by frame is the only way?

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  DJI Developer Support

  • May 13, 2022 01:36

  The actual bottom layer is UDP transmission, not data flow, so it needs frame by frame.

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