gst-launch-1.0 uridecodebin \
      uri=file:///opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.mp4 \
      ! nvvideoconvert ! 'video/x-raw, format=I420, width=1280, height=720' \
      ! filesink location= /opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.i420
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Missing element: MPEG-4 AAC decoder
WARNING: from element /GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0: No decoder available for type 'audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)119056e500, rate=(int)48000, channels=(int)2'.
Additional debug info:
../gst/playback/gsturidecodebin.c(960): unknown_type_cb (): /GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0
Pipeline is PREROLLED ...0 %)
Setting pipeline to PLAYING ...
Redistribute latency...
New clock: GstSystemClock
Got EOS from element "pipeline0".
Execution ended after 0:00:01.909104306
Setting pipeline to NULL ...
Freeing pipeline ...
root@x11-0083:/opt/nvidia/deepstream/deepstream/sources/apps/sample_apps/deepstream-appsrc-test# ls
Makefile                deepstream_appsrc_test_app.c  dstest_appsrc_nvinferserver_config.txt
README                  deepstream_appsrc_test_app.o
deepstream-appsrc-test  dstest_appsrc_config.txt
root@x11-0083:/opt/nvidia/deepstream/deepstream/sources/apps/sample_apps/deepstream-appsrc-test# ll /opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.i420
-rw-r--r-- 1 root root 1993420800 Dec 28 07:00 /opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.i420