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Improve video streaming pipeline #102

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16 changes: 8 additions & 8 deletions content/StreamingVideo.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,12 +15,12 @@ Use the command below:
````
$ gst-launch-1.0 -v udpsrc port=51372 \
caps="application/x-rtp, media=video, clock-rate=90000, encoding-name=H264, payload=96" \
! rtph264depay ! decodebin ! videoconvert \
! autovideosink
! rtph264depay ! queue ! decodebin \
! autovideosink sync=false
````
- **Note:** In case you want to see the number of frames it receives per second, you can replace the `autovideosink` in the last line with:
````
fpsdisplaysink text-overlay=0 video-sink=autovideosink
fpsdisplaysink text-overlay=false sync=false
````

## VLC or FFmpeg
Expand Down Expand Up @@ -77,13 +77,13 @@ Then, you can send a video stream with **GStreamer**. Because the command is ver
W="${2:-1920}"
H="${3:-1080}"

./v4l2-init.sh
./v4l2-init.sh ${W}x${H}
echo "Streaming to ${1} with resolution ${W}x${H}..."

gst-launch-1.0 v4l2src device=/dev/video0 ! video/x-raw, width=1920, height=1080 \
! vspmfilter dmabuf-use=true ! video/x-raw,format=NV12,width=$W,height=$H \
! omxh264enc control-rate=2 target-bitrate=10485760 interval_intraframes=14 periodicty-idr=2 \
! video/x-h264,profile=\(string\)high,level=\(string\)4.2 \
gst-launch-1.0 v4l2src device=/dev/video0 ! video/x-raw, width=$W, height=$H \
! vspmfilter dmabuf-use=true ! video/x-raw,format=NV12 \
! omxh264enc use-dmabuf=true control-rate=2 target-bitrate=10485760 interval_intraframes=14 periodicty-idr=2 \
! video/x-h264,profile=high,level=\(string\)4.2 \
! rtph264pay config-interval=-1 ! udpsink host=$1 port=51372
````
- **Note:** Remember to make the file executable using `chmod +x stream.sh`
Expand Down