[Libav-user] RTMP duration

gga ggarra13 at gmail.com
Wed Nov 13 01:50:32 EET 2019

El 12/11/19 a las 20:45, gga escribió:
> I am implementing network playback and currently I started with RTMP. 
> The playback works fine.  However, I am missing the duration of the 
> stream and thus, I cannot set the timeline appropiately.  I was 
> wondering if there's a way to obtain the duration of the stream, as 
> the ffmpeg server seems like it tries to set it or so it says in some 
> of its messages:
> frame= 3477 fps= 24 q=-1.0 size=  169512kB time=00:02:25.96 
> bitrate=9513.8kbits
> [flv @ 0x561b202d3b80] Failed to update header with correct duration.
> [flv @ 0x561b202d3b80] Failed to update header with correct filesize.
> frame= 3504 fps= 24 q=-1.0 Lsize=  169970kB time=00:02:26.12 
> bitrate=9528.9kbits/s speed=   1x
> video:167569kB audio:2227kB subtitle:0kB other streams:0kB global 
> headers:0kB muxing overhead: 0.102230%
> Ideally, I would like to obtain the duration at connection time.
The ffmpeg command I am  using is the following:

ffmpeg -re -i 
-c copy -f flv rtmp://localhost/myapp/mystream

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