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→Gstreamer-based applications
This page lists some statistics and information about real use cases based on [[Naon Embedded Linux Kit (NELK)]].
===Gstreamer-based applications===
=== Performance ===
Video H264 RAW 1920x1080@25fps
CPU 30%
<pre>
decode_display_a8host_debug.xv5T -w 1920 -h 1080 -f 25 -i /home/root/working-dir/battleship-ressurrecting_h1080p.h264
</pre>
Video mp4 H264 1920x1080@30fps demuxed only video
CPU 12%
<pre>
gst-launch filesrc location="/home/root/working-dir/1080p-131852575.mp4" ! qtdemux name=demux demux.video_00 ! queue ! nal2bytestream_h264 ! omx_h264dec ! omx_scaler ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink
</pre>
Videos H264Raw 1920x1080 and 848x360 @25fps
CPU 65%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1920 sink_00::outHeight=816 sink_01::outX=0 sink_01::outY=0 sink_01::outWidth=848 sink_01::outHeight=360 ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false filesrc location=/home/root/working-dir/480p-ice-int.h264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! mix. filesrc location=/home/root/working-dir/iceage4-1080p.h264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! mix.
</pre>
Same videos with text in overlay on FullHD video.
CPU 95%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1920 sink_00::outHeight=816 sink_01::outX=360 sink_01::outY=150 sink_01::outWidth=848 sink_01::outHeight=360 ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false filesrc location=/home/root/working-dir/480p-ice-int.h264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! mix. filesrc location=/home/root/working-dir/iceage4-1080p.h264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! clockoverlay halign=left valign=bottom text="UTC time:" shaded-background=true ! mix.
</pre>
Video 1920x1080 rescaled in HW and video 480p with textoverlay.
CPU 95%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1280 sink_00::outHeight=720 sink_01::outX=1072 sink_01::outY=720 sink_01::outWidth=848 sink_01::outHeight=360 ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false filesrc location=/home/root/working-dir/480p-ice-int.h264 ! 'video/x-h264,framerate=(fraction)30000/1252' ! h264parse access-unit=true ! omx_h264dec ! clockoverlay halign=center valign=bottom text="UTC time:" shaded-background=true ! mix. filesrc location=/home/root/working-dir/battleship-ressurrecting_h1080p.h264 ! 'video/x-h264,framerate=(fraction)30000/1252' ! h264parse access-unit=true ! omx_h264dec ! mix.
</pre>
Video mp4 H264 1920x1080 and H264raw 480p with overlay.
CPU 92%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1920 sink_00::outHeight=1080 sink_01::outX=360 sink_01::outY=150 sink_01::outWidth=848 sink_01::outHeight=360 ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false filesrc location=/home/root/working-dir/480p-ice-int.h264 ! 'video/x-h264' ! h264parse access-unit=true ! omx_h264dec ! clockoverlay halign=center valign=bottom text="UTC time:" shaded-background=true ! mix. filesrc location="/home/root/working-dir/1080p-131852575.mp4" ! qtdemux name=demux demux.video_00 ! queue ! nal2bytestream_h264 ! omx_h264dec ! mix.
</pre>
Videomix FullHD 1920x1080@30fps and streaming H264 only video 320x240 rescaled in HW with overlay
CPU 30%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1920 sink_00::outHeight=1080 sink_01::outX=360 sink_01::outY=150 sink_01::outWidth=848 sink_01::outHeight=360 ! omx_ctrl display-code=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false rtspsrc location=rtsp://192.168.0.33:5544 ! rtph264depay ! h264parse access-unit=true ! omx_h264dec ! clockoverlay halign=center valign=bottom text="UTC time:" shaded-background=true ! mix. filesrc location="/home/root/working-dir/1080p-131852575.mp4" ! qtdemux name=demux demux.video_00 ! queue ! nal2bytestream_h264 ! omx_h264dec ! mix.
</pre>
Stream H264 320x240 rescaled at 800x600
CPU 9%
<pre>
gst-launch rtspsrc location=rtsp://192.168.0.33:5544 ! rtph264depay ! h264parse access-unit=true ! omx_h264dec ! omx_scaler ! '
video/x-raw-yuv,width=800,height=600' !omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false
</pre>
Video mp4 1920x1080 and streaming H264 320x240 rescaled at 800x600 with clockoverlay
CPU 35%
<pre>
gst-launch omx_videomixer port-index=0 framerate=25 name=mix sink_00::outX=0 sink_00::outY=0 sink_00::outWidth=1920 sink_00::outHeight=1080 sink_01::outX=360 sink_01::outY=150 sink_01::outWidth=800 sink_01::outHeight=600 ! omx_ctrl display-mode=OMX_DC_MODE_1080P_60 ! omx_videosink sync=false rtspsrc location=rtsp://192.168.0.33:5544 ! rtph264depay ! h264parse access-unit=true ! omx_h264dec ! clockoverlay halign=center valign=bottom text="UTC time:" shaded-background=true ! mix. filesrc location="/home/root/working-dir/1080p-131852575.mp4" ! qtdemux name=demux demux.video_00 ! queue ! nal2bytestream_h264! omx_h264dec ! mix.
</pre>
{{WorkInProgress}}
