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NetStream.Play.StreamNotFound while trying to get RMTP snapshot

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Gabriel Barreras
NetStream.Play.StreamNotFound while trying to get RMTP snapshot
on Jul 17, 2014 at 10:28:07 am

Hi,
I'm using the following command:
ffmpeg -i rtmp://antena3fms35livefs.fplive.net/antena3fms35live-live/stream-antena3_1 -f image2 -vf fps=fps=1 out%d.png
extracted from official FFmpeg wiki here.
I am allowed to see the video stream using VLC with the same link. However, when using the command above, I'm getting this output:
ffmpeg version N-64667-gd595361 Copyright (c) 2000-2014 the FFmpeg developers
built on Jul 14 2014 22:09:48 with gcc 4.8.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzl
libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amr
enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --ena
libavutil 52. 92.100 / 52. 92.100
libavcodec 55. 69.100 / 55. 69.100
libavformat 55. 47.100 / 55. 47.100
libavdevice 55. 13.102 / 55. 13.102
libavfilter 4. 10.100 / 4. 10.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 19.100 / 0. 19.100
libpostproc 52. 3.100 / 52. 3.100
HandShake: client signature does not match!
Closing connection: NetStream.Play.StreamNotFound
rtmp://antena3fms35livefs.fplive.net/antena3fms35live-live/stream-antena3_1: Unknown error occurred


What is the problem here?
I've tried with other different rtmp streams and I'm still getting the same error.

Thank you!


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Jim Sustacek
Re: NetStream.Play.StreamNotFound while trying to get RMTP snapshot
on Jul 22, 2014 at 2:21:30 pm

I just tried your command and it worked fine for me. Maybe it is something about your FFMPEG installation? I am using version 2.4 on a Mac (tessus build).

I know other/older versions used "librtmp" for rtmp connections, which required some extra options behind the stream URL. See ffmpeg docs here:
https://www.ffmpeg.org/ffmpeg-protocols.html#librtmp-rtmp_002c-rtmpe_002c-r...

And librtmp docs here:
http://rtmpdump.mplayerhq.hu/librtmp.3.html

For an unprotected live stream, you may want to try quoting the stream URL and appending " live=1" within the quotes:
ffmpeg -i "rtmp://antena3fms35livefs.fplive.net/antena3fms35live-live/stream-antena3_1 live=1" -f image2 -vf fps=fps=1 out%d.png


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