Difference between revisions of "GstSEIMetadata/Examples/Using Gstd"
< GstSEIMetadata | Examples
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gstd-client | gstd-client | ||
</pre> | </pre> | ||
− | Create | + | Create the sender pipeline like this. |
<pre> | <pre> | ||
− | pipeline_create | + | pipeline_create sender videotestsrc is-live=true ! x264enc ! seimetatester ! seiinject ! rtph264pay ! capsfilter name=cf ! udpsink host=127.0.0.1 port=5000 |
</pre> | </pre> | ||
− | + | Create the receiver pipeline. | |
<pre> | <pre> | ||
− | + | pipeline_create receiver udpsrc port=5000 ! capsfilter name=cf ! rtph264depay ! h264parse ! seiextract signal-new-metadata=true name=extract ! fakesink | |
</pre> | </pre> | ||
− | + | Set the appropriated caps. | |
<pre> | <pre> | ||
− | signal_connect | + | element_set sender cf caps application/x-rtp,media=video,clock-rate=90000,encoding-name=H264 |
+ | |||
+ | element_set receiver cf caps application/x-rtp,media=video,clock-rate=90000,encoding-name=H264 | ||
+ | </pre> | ||
+ | Play the pipelines. | ||
+ | <pre> | ||
+ | pipeline_play sender | ||
+ | pipeline_play receiver | ||
+ | </pre> | ||
+ | Then receive the signal. | ||
+ | <pre> | ||
+ | signal_connect receiver extract new-metadata | ||
</pre> | </pre> | ||
The expected output is something similar to this: | The expected output is something similar to this: |
Revision as of 12:08, 6 July 2021
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The following is an example of how to insert metadata and receive a signal using gstd and the GstSEI plugin.
Make sure you have gstd.
Now start the daemon
gstd -e
Start the client
gstd-client
Create the sender pipeline like this.
pipeline_create sender videotestsrc is-live=true ! x264enc ! seimetatester ! seiinject ! rtph264pay ! capsfilter name=cf ! udpsink host=127.0.0.1 port=5000
Create the receiver pipeline.
pipeline_create receiver udpsrc port=5000 ! capsfilter name=cf ! rtph264depay ! h264parse ! seiextract signal-new-metadata=true name=extract ! fakesink
Set the appropriated caps.
element_set sender cf caps application/x-rtp,media=video,clock-rate=90000,encoding-name=H264 element_set receiver cf caps application/x-rtp,media=video,clock-rate=90000,encoding-name=H264
Play the pipelines.
pipeline_play sender pipeline_play receiver
Then receive the signal.
signal_connect receiver extract new-metadata
The expected output is something similar to this:
{
"code" : 0,
"description" : "Success",
"response" : {
"name" : "new-metadata",
"arguments" : [
{
"type" : "GstSeiExtract",
"value" : "(GstSeiExtract) extract"
},
{
"type" : "guint",
"value" : 8
},
{
"type" : "gpointer",
"value" : "((gpointer) 0x7fdb9000fdc0)"
}
]
}
}