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QML Video element and Gstreamer options

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Hi everyone, I’m trying to show a video on my qml code (qt5), I’m working on a ARM device. The problem is that if I create a Video tag (QtMultimedia 5.0) with a sample video I cannot see any video playback. The error I got is: (helloworld:927): GStreamer-CRITICAL **: gst_object_ref: assertion `object != NULL' failed   omx_setup error while setting FilterTimestamp Allocating new output: 1280x720 (x 12) Error: "The autoaudiosink element is missing." And that’s true, I’ve no autoaudiosink on gstreamer, I’m using nvidia proprietary driver so I’ve got “nv_omx_videosink” and “nv_omx_audiosink”. I can play the video with the following command: gst-launch filesrc location=big_buck_bunny.mp4 ! qtdemux name=demux demux.video_00 ! decodebin ! nv_omx_videosink force-aspect-ratio=true demux.audio_00 ! nv_omx_aacdec ! alsasink But how can I tell to the Video element to use another sink element other than the auto one? Thank you.

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