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Sur d’autres sites (9398)

  • Are there any examples on how to create RTMP video streaming using FFMPEG (C++) ? [on hold]

    17 décembre 2017, par JavaRunner

    Are there any examples on how to create RTMP video streaming using FFMPEG (C++) ?
    I know FFMPEG can work with RTMP protocol but I don’t know how to use it for creating my own C++ application to make a rtmp stream.

  • ffmpeg ffplay udp streaming quality and error [closed]

    1er janvier 2023, par SangEun Shin

    I am receiving udp streaming through ffmpeg ffplay, but there is a problem that the video is broken.
I'm using a Gopro Hero 11 camera, but I can't receive more than three camera streams because the streaming is fixed with the udp 8554 port.

    


    So using Raspberry pie 4 and nginx reverse proxy for each camera, multi camera streaming succesfully received on another raspberry pie.

    


    In conclusion, gopro camera udp streaming -> raspberrypi received. use nginx reverse proxy -> another raspberry pi received.

    


    However, there is an issue that streaming video quality is broken.
    
I used ffplay :
ffplay udp://@:23002

    


    and the following error also appears :

    


    [h264 @ 0x91cb4ed0] reference picture missing during reorderf=0/0   
[h264 @ 0x91cb4ed0] Missing reference picture, default is 65559
[h264 @ 0x91d234d0] reference picture missing during reorder
[h264 @ 0x91d234d0] Missing reference picture, default is 65559
[h264 @ 0x93028ba0] reference picture missing during reorderf=0/0   
[h264 @ 0x93028ba0] Missing reference picture, default is 65560
[h264 @ 0x9302d6d0] mmco: unref short failure 0KB sq=    0B f=0/0   
[h264 @ 0x9302d6d0] number of reference frames (0+3) exceeds max (2; probably corrupt input), discarding one
[mpegts @ 0x93000630] Packet corrupt (stream = 0, dts = 73156083)
[mpegts @ 0x93000630] Packet corrupt (stream = 0, dts = 73159086)
[mpegts @ 0x93000630] Packet corrupt (stream = 0, dts = 73165092)
[h264 @ 0x9302d6d0] reference picture missing during reorderf=0/0   
[h264 @ 0x9302d6d0] Missing reference picture, default is 65540
[h264 @ 0x930e08e0] reference picture missing during reorderf=0/0   
[h264 @ 0x930e08e0] Missing reference picture, default is 65541


    


    so i use ffplay option -fflag +discardcorrupt. and
use -vf "setpts=N/60/TB".

    


    conclusion : ffplay udp://@:23002 -fflag +discardcorrupt -vf "setpts=N/60/TB"

    


    img

    


    It's better than before, but is still breaks when the change in streaming video is large.

    


    and The packet corrupt still remains, I don't know how to set the pts value that fits the streaming video.

    


    Or is there an issue that I didn't find ?

    


    I'm looking for a way to match the pts.

    


    But I wonder if this is the right way.

    


    I'd appreciate your help to the lost.

    


  • hls live streaming using ffmpeg in iOS

    25 mars 2015, par chetan

    I am new to ffmpeg and I am trying to create live streaming app (HLS) and I want Live broadcasting rather than VOD.

    I am able to use ffmpeg through terminal and create .ts files from m4v but I am not getting how to achieve the same thing in iPhone.

    My approach is to create .ts files at iPhone end and then send it to server.

    I am not sure if this approach is correct, If this correct how I can create .ts files then otherwise what’s the right approach ?

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