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More network transfer AV examples

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Matthew Clark 2018-03-05 21:04:42 +00:00
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network_transfer.md
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@ -70,8 +70,9 @@ To send both a video and audio test source (mixed together):
```
gst-launch-1.0 \
videotestsrc ! x264enc ! muxer. audiotestsrc ! avenc_ac3 ! \
muxer. mpegtsmux name=muxer ! rtpmp2tpay ! udpsink host=127.0.0.1 port=7001
videotestsrc ! x264enc ! muxer. \
audiotestsrc ! avenc_ac3 ! muxer. \
mpegtsmux name=muxer ! rtpmp2tpay ! udpsink host=127.0.0.1 port=7001
```
And to receive both video and audio together:
@ -84,7 +85,15 @@ gst-launch-1.0 \
## TCP
### Send and receive audio via TCP
### Audio via TCP
To send a test stream:
```
gst-launch-1.0 \
audiotestsrc ! \
avenc_ac3 ! mpegtsmux ! tcpserversink port=7001 host=0.0.0.0
```
To send a file:
@ -100,7 +109,7 @@ And to receive:
gst-launch-1.0 tcpclientsrc port=7001 host=0.0.0.0 ! decodebin ! autoaudiosink
```
### Send and receive video via TCP
### Video via TCP
Test video stream:
@ -161,3 +170,38 @@ gst-launch-1.0 \
```
I struggle to get VLC to play this (through `tcp://localhost:7001`).
### Audio and Video via TCP
We can of course mux to send audio and video together.
To send both audio and video test:
```
gst-launch-1.0 \
videotestsrc ! decodebin ! x264enc ! muxer. \
audiotestsrc ! avenc_ac3 ! muxer. \
mpegtsmux name=muxer ! \
tcpserversink port=7001 host=0.0.0.0 recover-policy=keyframe sync-method=latest-keyframe sync=false
```
To send audio and video of an MP4 file:
(Note, quite a few `queue2` elements are required now... there's an explanation of why [here](http://gstreamer-devel.966125.n4.nabble.com/Simple-AV-pipeline-stuck-in-prerolling-state-mp4-h264-aac-td4656970.html).)
```
gst-launch-1.0 \
filesrc location=$SRC ! \
qtdemux name=demux \
demux.video_0 ! queue2 ! decodebin ! x264enc ! queue2 ! muxer. \
demux.audio_0 ! queue2 ! decodebin ! audioconvert ! audioresample ! avenc_ac3 ! queue2 ! muxer. \
mpegtsmux name=muxer ! \
tcpserversink port=7001 host=0.0.0.0 recover-policy=keyframe sync-method=latest-keyframe sync=false
```
To receive, either use VLC (`tcp://localhost:7001`) or this command:
```
gst-launch-1.0 \
tcpclientsrc host=127.0.0.1 port=7001 ! \
decodebin name=decoder ! autoaudiosink decoder. ! autovideosink
```