rtmpdump does not appear to work

MR ZenWiz mrzenwiz at gmail.com
Mon Jun 15 18:13:53 UTC 2015

On Mon, Jun 15, 2015 at 12:16 AM, Tony Baechler - BATS
<bats at batsupport.com> wrote:
> On 6/14/2015 11:39 PM, MR ZenWiz wrote:
>> I'm looking to be able to capture videos that are streamed in RTMP
>> format, and there's a tool called rtmpdump (and associates) in the
>> Ubuntu repositories.  However, it doe snot appear to work properly:
> Have you tried ffmpeg (AKA libav-tools) or MPlayer?  They should also
> support rtmp and might work better for you.  Also, you could try youtube-dl.
>  It's updated very frequently, so it's best to get it directly from
> http://yt-dl.org/latest/
>> $ grabit
>> Reload the video page, start the video and watch for the rtmp information
>> When the video information appears, type ^C to halt the rtmp server.
>> RTMP Server v2.4
>> (c) 2010 Andrej Stepanchuk, Howard Chu; license: GPL
>> Streaming on rtmp://
>> WARNING: Trying different position for client digest!
>> rtmpdump -r "rtmp://stream.thedepressionsessions.com/cfx/st/" -a
>> "cfx/st/" -f "LNX 11,2,202,466" -W
>> "http://cdn.thedepressionsessions.com/wp-content/themes/sos-digestion/inc/jwplayer/jwplayer.flash.swf"
>> -p "http://thedepressionsessions.com/trudy-scott/" -y
>> "mp4:video/Trudy_Scott_Balancing_Brain_Chemistry.mp4" -o
>> Trudy_Scott_Balancing_Brain_Chemistry.flv
> That's probably not going to work.  If you carefully look at the above,
> you'll see that it's actually a link to the Flash player, but not the actual
> vidio.  I am not an expert on this, but to me, it looks like the above just
> downloads the player code, not the video.  It also looks like it's mp4, not
> Flash and might not even using rtmp.  JPlayer can play all kinds of formats
> but I don't know if it even supports rtmp or not.  I would look at the
> source of the page and see how the site is calling jplayer.flash.swf.  I
> think there is a way to get it with wget, but I'm not an expert as I said.
> I would give youtube-dl a try first.

I could be wrong about the stream format, but none of the "usual"
tools work on these - FlashGot, Pocket, and so on.  Youtube-dl is
inapplicable since ithese videos are not on YouTube (and I use
youtube-dl all the time with very little trouble beyond updating when
I missed a change).

I mentioned jwplayer because these seem to be the ones that resist
downloading via FlashGot, etc.

Thanks, though.  :-)


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