i.MX8 - Multimedia - Gstreamer Support - Pipeline Examples

i.MX8
Introduction
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Nitrogen8M
Overview Getting Started Selecting Boot Mode System Setup Software Support Loading pre-built images Yocto Support Building Yocto Installing an Image Alternative image loading Customizing Boot Sequence Android Support Building Android Installing an image System Recovery
Multimedia
GPU OpenGL OpenCL OpenVX OpenVG Vulkan VPU Encoding System Decoding System ISP Support V4L2 Drivers Porting Guide GStreamer Support Package Installation Pipeline Examples Hardware-accelerated plugins RidgeRun Products GstRtspSink GstWebRTC GstPTZR GstQtOverlay
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IMPORTANT NOTES:

Problems running the pipelines shown on this page? Please see our GStreamer Debugging guide for help.

Pipelines

Audio decoding

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! mpegaudioparse ! beepdec !  alsasink

H.264 encoding

gst-launch-1.0 -v -e videotestsrc is-live=true ! queue ! x264enc ! mp4mux ! filesink location=test.avi

gst-launch-1.0 -v -e v4l2src device=/dev/video0 ! queue ! x264enc ! mp4mux ! filesink location=test.mp4

gst-launch-1.0 -v -e v4l2src device=/dev/video0 ! queue ! x264enc ! matroskamux ! filesink location=test.mkv

H.264 decoding

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h264parse ! queue ! avdec_h264 ! waylandsink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! qtdemux  ! h264parse ! queue ! vpudec ! waylandsink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h264parse ! queue ! vpudec ! glimagesink async=false enable-last-sample=false qos=false sync=false

4K@30fps

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h264parse ! queue ! vpudec ! perf !fakesink

INFO:
Timestamp: 0:14:16.028816321; Bps: 14078789; fps: 28.12; CPU: 1; 
INFO
Timestamp: 0:14:17.068262062; Bps: 13970386; fps: 26.94; CPU: 1; 
INFO:
Timestamp: 0:14:18.116462637; Bps: 13850412; fps: 26.71; CPU: 1; 
INFO:
Timestamp: 0:14:19.116470306; Bps: 14515232; fps: 27.0; CPU: 2; 
INFO:
Timestamp: 0:14:20.166649109; Bps: 13824030; fps: 26.66; CPU: 7; 
INFO:
Timestamp: 0:14:21.216295201; Bps: 13837208; fps: 25.73; CPU: 6; 
INFO:
Timestamp: 0:14:22.216333789; Bps: 14515232; fps: 25.0; CPU: 1; 
INFO:
Timestamp: 0:14:23.233240762; Bps: 14286645; fps: 23.62; CPU: 3; 
INFO:
Timestamp: 0:14:24.249738271; Bps: 14286645; fps: 25.59; CPU: 1; 
INFO:
Timestamp: 0:14:25.282993761; Bps: 14051531; fps: 26.13; CPU: 1;

H.265 decoding

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h265parse ! queue ! avdec_h265 ! xvimagesink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! qtdemux  ! h265parse ! queue ! vpudec ! waylandsink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h265parse ! queue ! vpudec ! glimagesink async=false enable-last-sample=false qos=false sync=false

4K@60fps

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE>  ! qtdemux  ! h265parse ! queue ! vpudec ! perf ! fakesink

INFO:
Timestamp: 0:14:16.028816321; Bps: 14078789; fps: 58.15; CPU: 1; 
INFO
Timestamp: 0:14:17.068262062; Bps: 13970386; fps: 56.34; CPU: 1; 
INFO:
Timestamp: 0:14:18.116462637; Bps: 13850412; fps: 60.01; CPU: 1; 
INFO:
Timestamp: 0:14:19.116470306; Bps: 14515232; fps: 57.0; CPU: 2; 
INFO:
Timestamp: 0:14:20.166649109; Bps: 13824030; fps: 58.66; CPU: 7; 
INFO:
Timestamp: 0:14:21.216295201; Bps: 13837208; fps: 55.73; CPU: 6; 
INFO:
Timestamp: 0:14:22.216333789; Bps: 14515232; fps: 59.10; CPU: 1; 
INFO:
Timestamp: 0:14:23.233240762; Bps: 14286645; fps: 58.18; CPU: 3; 
INFO:

VP8 decoding

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! waylandsink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! glimagesink async=false enable-last-sample=false qos=false sync=false

4K@30fps

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! perf ! fakesink

INFO:
Timestamp: 0:16:53.306795985; Bps: 12209632; fps: 29.44; CPU: 1; 
INFO:
Timestamp: 0:16:54.327020574; Bps: 12197662; fps: 29.41; CPU: 1; 
INFO:
Timestamp: 0:16:55.346495858; Bps: 12209632; fps: 29.44; CPU: 2; 
INFO:
Timestamp: 0:16:56.365888936; Bps: 12209632; fps: 29.44; CPU: 1; 
INFO:
Timestamp: 0:16:57.388490297; Bps: 12173792; fps: 29.35; CPU: 7; 
INFO:
Timestamp: 0:16:58.410389515; Bps: 12185715; fps: 29.38; CPU: 3; 
INFO:
Timestamp: 0:16:59.428182337; Bps: 12233644; fps: 29.49; CPU: 0; 
INFO:
Timestamp: 0:17:00.446827898; Bps: 12221626; fps: 29.46; CPU: 0; 
INFO:
Timestamp: 0:17:01.463513441; Bps: 12245685; fps: 29.52; CPU: 0; 

VP9 decoding

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! waylandsink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! glimagesink async=false enable-last-sample=false qos=false sync=false

4K@60fps

gst-launch-1.0 -v filesrc location=<PATH-TO_FILE> ! matroskademux ! queue ! vpudec ! perf ! fakesink

INFO:
Timestamp: 0:10:31.988890201; Bps: 12306231; fps: 58.35; CPU: 2; 
INFO:
Timestamp: 0:10:32.988896941; Bps: 12441600; fps: 60.0; CPU: 2; 
INFO:
Timestamp: 0:10:33.988913562; Bps: 12441600; fps: 60.0; CPU: 2; 
INFO:
Timestamp: 0:10:34.988933342; Bps: 12441600; fps: 60.0; CPU: 1; 
INFO:
Timestamp: 0:10:35.988939363; Bps: 12441600; fps: 60.0; CPU: 3; 
INFO:
Timestamp: 0:10:36.989033989; Bps: 12441600; fps: 60.0; CPU: 2; 
INFO:
Timestamp: 0:10:37.989048013; Bps: 12441600; fps: 60.0; CPU: 2; 
INFO:
Timestamp: 0:10:39.005693367; Bps: 12245669; fps: 60.3; CPU: 1; 

Display video stream

gst-launch-1.0 -v videotestsrc is-live=true ! glimagesink async=false enable-last-sample=false qos=false sync=false

gst-launch-1.0 -v v4l2src device=/dev/video0 ! glimagesink async=false enable-last-sample=false qos=false sync=false

OpenGL (ES) stream processing

gst-launch-1.0 -v videotestsrc is-live=true ! glupload ! glcolorbalance contrast=1.5 hue=-1 saturation=1.6 brightness=0.5 ! glcolorconvert ! gldownload ! glimagesink async=false enable-last-sample=false qos=false sync=false

See also

Gstreamer-IMX