Needed caps for piping into qtdemux

[Sebastian Dröge]

On Di, 2016-03-08 at 20:47 +0000, Kristoffer Glembo wrote:
> Hi there,
> 
> I'm trying to create a video source which can output an MP4 stream
> (with H264 video and ALAC sound) into a qtdemux for demuxing.
> 
> The MP4 stream itself has been created by the mp4mux element.
> 
> I can not manage to get the video source and qtdemux to link.
> 
> My source outputs the following: caps = "video/x-h264, stream-
> format=(string)avc, alignment=(string)au"
> 
> This is similar to what is output if I read the MP4 using filesrc. I
> have also tried with video/quicktime and video/mpeg4 but never manage
> to get the pipe to link.

Take a look at qtdemux with gst-inspect-1.0:
> [...]
> Pad Templates:
>   SINK template: 'sink'
>     Availability: Always
>     Capabilities:
>       video/quicktime
>       video/mj2
>       audio/x-m4a
>       application/x-3gp
> [...]

That's all the caps qtdemux can accept. If you have MP4 container, the
first is what you want: video/x-quicktime.

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com

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