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  • Using python with ffmpeg to query video data from rtsp in complete frame

    1er avril 2020, par CDY

    Currently, I am trying to use python with ffmpeg to read video data from server.

    



    Here is my command :

    



    command = ["ffmpeg",
       "-c:v", "h264",     
       "-rtsp_transport", "tcp",
       "-i", in_stream,    
       "-c:v", "copy",     
       "-an", "-sn",       
       "-f", "avi",       
       "-"]


    



    I will use this command to query data from server and put data into queue.

    



    One question is, every time the data I query from server which is not a complete frame. It is just a part of encoding data.

    



    If I want to get data as a complete frame. How can I change my command and code ?

    



    Thank you very much

    


  • ffmpeg can play video but not a stream containing the same data

    21 mai 2017, par Robbsen

    This is my first time encountering video codecs/video streaming.

    I am receiving raw h.264 packets over TCP. When I connect to the socket, listen to it and simply save the received data to a file, I am able to play it back using

    ffplay data.h264

    However, when I try to directly play it from the stream without saving it, using

    ffplay tcp://addr:port

    all I get is the error

    Invalid data found when processing input

    Why is that ?

  • ffmpeg can play video but not a stream containing the same data

    21 mai 2017, par Robbsen

    This is my first time encountering video codecs/video streaming.

    I am receiving raw h.264 packets over TCP. When I connect to the socket, listen to it and simply save the received data to a file, I am able to play it back using

    ffplay data.h264

    However, when I try to directly play it from the stream without saving it, using

    ffplay tcp://addr:port

    all I get is the error

    Invalid data found when processing input

    Why is that ?

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