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I am trying to encode the dvbsrc into h264 video and aac acudio and output, but no output gets generated.

Commands tried: Command 1: gst-launch-1.0 --gst-debug-level=3 dvbsrc modulation="QAM 256" trans-mode=8k bandwidth=8 frequency=147000000 ! decodebin name=decoder decoder. ! queue ! audioconvert ! voaacenc ! aacparse ! filesink location="test_audio.ts" decoder. ! videoconvert ! x264enc ! filesink location="test_video.ts"

This generated separate files for audio and video, but mplayer could not play audio, it played video ok

Command 2: gst-launch-1.0 --gst-debug-level=3 dvbsrc modulation="QAM 256" trans-mode=8k bandwidth=8 frequency=147000000 ! tee name=t t.! queue ! decodebin ! progressreport ! x264enc ! mux. t.! queue ! decodebin ! audioconvert ! audioresample ! avenc_aac compliance=-2 ! mux. avmux_mpegts name=mux ! filesink location=test_streamer.avi

This doesnt generate any output