How to play two different videos in two different displays simultaneously using gstreamer?

[Nicolas Dufresne]

Le ven. 13 sept. 2019 09 h 40, NikhilMG <nikhilganapathy007 at gmail.com> a
écrit :

> In downloads I have .mkv .mp4 and .avi files. I am trying to drive video to
> different HDMI port. I have connected two monitors to two hdmi port.
> I used the command *modetest *and I got the following result.  I have only
> one plane-id. That is 28
>
> imp.txt <http://gstreamer-devel.966125.n4.nabble.com/file/t379062/imp.txt>
>
>
>
> I used the following pipeline
>
> *gst-launch-1.0 -vvv -e filesrc location=/home/pi/Downloads/count.mkv !
> matroskademux ! h264parse ! v4l2h264dec ! kmssink plane-id=28
> *
>
> and I got the following error
>
> /Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> /GstPipeline:pipeline0/GstKMSSink:kmssink0: display-width = 1920
> /GstPipeline:pipeline0/GstKMSSink:kmssink0: display-height = 1080
> /GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:sink: caps =
> video/x-h264, level=(string)3, profile=(string)high,
>
> codec_data=(buffer)0164001effe1001c6764001eacd940b43dbff00080009100000303e90000ea600f162d9601000668ebe3cb22c0,
> stream-format=(string)avc, alignment=(string)au, width=(int)720,
> height=(int)480, pixel-aspect-ratio=(fraction)8/9,
> framerate=(fraction)30000/1001, interlace-mode=(string)mixed
> /GstPipeline:pipeline0/GstH264Parse:h264parse0.GstPad:src: caps =
> video/x-h264, level=(string)3, profile=(string)high,
> stream-format=(string)byte-stream, alignment=(string)au, width=(int)720,
> height=(int)480, pixel-aspect-ratio=(fraction)8/9,
> framerate=(fraction)30000/1001, interlace-mode=(string)mixed,
> chroma-format=(string)4:2:0, bit-depth-luma=(uint)8,
> bit-depth-chroma=(uint)8, parsed=(boolean)true
> ERROR: from element /GstPipeline:pipeline0/v4l2h264dec:v4l2h264dec0: Device
> '/dev/video10' does not support interleaved interlacing
> Additional debug info:
> gstv4l2object.c(3817): gst_v4l2_object_set_format_full ():
> /GstPipeline:pipeline0/v4l2h264dec:v4l2h264dec0:
> Device wants progressive interlacing
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> Freeing pipeline .../
>


The error says the that decoder does not support interlaced content.


> If I use plane-id= 80, I get following error
>
> /Setting pipeline to PAUSED ...
> ERROR: Pipeline doesn't want to pause.
> ERROR: from element /GstPipeline:pipeline0/GstKMSSink:kmssink0: Could not
> find a plane for crtc
> Additional debug info:
> gstkmssink.c(755): gst_kms_sink_start ():
> /GstPipeline:pipeline0/GstKMSSink:kmssink0
> Setting pipeline to NULL .../
>
>
> I tried using fbdevsink
>
> * $ gst-launch-1.0 v4l2src ! jpegdec ! fbdevsink
> device=/dev/fb0gst-launch-1.0 -v videotestsrc ! fbdevsink device=/dev/fb0*
>
>
> I used this command and it is showing only one frame buffer
>
> *pi at raspberrypi:~ $ ls -l /dev/fb*
> crw-rw---- 1 root video 29, 0 Sep 13 11:10 /dev/fb0*
>
>
>
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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