Difference between revisions of "Gst-1.0 pipelines for DM816x and DM814x"
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| − | gst-launch-1.0 v4l2src io-mode=3 device=/dev/video0 ! 'video/x-raw,format =(string)NV12,width=1280,height=720,framerate=(fraction)60/1' ! perf print-arm-load=true ! omxbufferalloc num-buffers=12 ! omxh264enc i-period=30 idr-period=30 ! mpegtsmux ! udpsink host=$HOST port=$PORT sync=false async=false | + | HOST=<Your IP address> |
| + | PORT=<Your port> | ||
| + | gst-launch-1.0 v4l2src io-mode=3 device=/dev/video0 ! 'video/x-raw,format=(string)NV12,width=1280,height=720,framerate=(fraction)60/1' ! perf print-arm-load=true ! omxbufferalloc num-buffers=12 ! omxh264enc i-period=30 idr-period=30 ! mpegtsmux ! udpsink host=$HOST port=$PORT sync=false async=false -v | ||
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| − | gst-launch-1.0 udpsrc port= | + | gst-launch-1.0 udpsrc port=3001 ! tsdemux ! h264parse ! avdec_h264 ! xvimagesink sync=true async=false |
</pre> | </pre> | ||
Revision as of 09:21, 7 March 2016
Contents
Introduction
DM81xx
Encode videotest pattern in H.264 (without container)
gst-launch-1.0 videotestsrc num-buffers=1000 ! omxbufferalloc num-buffers=8 ! omxh264enc ! perf print-arm-load=true ! filesink location=sample.h264
Scale the QVGA video test pattern to VGA
gst-launch-1.0 videotestsrc num-buffers=1000 ! 'video/x-raw,format=(string)NV12,width=320,height=240,framerate=(fraction)60/1' ! omxbufferalloc num-buffers=8 ! omxscaler ! 'video/x-raw,format=(string)YUY2,width=640,height=480,framerate=(fraction)60/1' ! perf print-arm-load=true ! fakesink
DM8148
V4l2 Capture and recording
gst-launch-1.0 v4l2src io-mode=3 device=/dev/video0 num-buffers=1000 ! 'video/x-raw,format=(string)NV12,width=1280,height=720,framerate=(fraction)60/1' ! perf print-arm-load=true ! omxbufferalloc num-buffers=12 -v ! omxh264enc i-period=30 idr-period=30 ! queue ! rrh264parser single-nalu=true ! mp4mux dts-method=0 ! filesink location=test_v4l2src_1.0.mp4
V4l2 Capture and UDP streaming
You have to set HOST and PORT variables to your own
HOST=<Your IP address> PORT=<Your port> gst-launch-1.0 v4l2src io-mode=3 device=/dev/video0 ! 'video/x-raw,format=(string)NV12,width=1280,height=720,framerate=(fraction)60/1' ! perf print-arm-load=true ! omxbufferalloc num-buffers=12 ! omxh264enc i-period=30 idr-period=30 ! mpegtsmux ! udpsink host=$HOST port=$PORT sync=false async=false -v
Later you could get the stream in your host side
gst-launch-1.0 udpsrc port=3001 ! tsdemux ! h264parse ! avdec_h264 ! xvimagesink sync=true async=false
