Gstreamer + gopro

[Thiago Santos]

On 03/26/2015 10:05 AM, Brad Turnbough wrote:
>
> I want to know if I can stream via usb or hdmi into a machine and use 
> gstreamer (h264 encode on the cam). Additionally, is there a component 
> that can be used in the pipeline to natively control the cameras res, 
> bit rate.. (instead of resampling it in gstreamer) etc?
>
> On Mar 26, 2015 7:23 AM, "Nicolas Dufresne" 
> <nicolas.dufresne at collabora.com 
> <mailto:nicolas.dufresne at collabora.com>> wrote:
>
>     Le jeudi 26 mars 2015 à 07:33 +0100, Edward Hervey a écrit :
>     >   You'll have to be more specific. I can play my gopro files fine if
>     > that's what you're asking.
>
>     I think there is some sort of (broken?) HLS on gopro. I remember that
>     Thiago wanted to have a look eventually.
>
I had access to a GoPro Hero3+ at some point and briefly looked at how 
they did HLS streaming. It was nearly working with GStreamer except that 
they had to use really small segments (under half a second) and the 
playlist advertise the segments as being 1 second long (limitations of 
the HLS version they use). At some point our HLS demuxer loses sync and 
tries to reposition itself but the large difference in the HLS 
advertised duration and the real one makes it completely lost and playback
derails.

I have lost access to the GoPro Hero3+ I've been using and the Hero4 
doesn't seem to provide HLS in the same way so I haven't managed to find 
how to properly connect to its live preview but I haven't had much time 
to dig into this yet.

I also didn't check if there are other options aside HLS, there might be.

Some details can be found at: 
https://bugzilla.gnome.org/show_bug.cgi?id=740461

Regards,

>
>
>     Nicolas
>
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-- 
Thiago Sousa Santos
Senior Multimedia Engineer, Open Source Group
Samsung Research America - Silicon Valley

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