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- crop - crop a picture around the center
- id - position identifier to place a stream (since build 5.2.1950)
crop attribute may be true или false (by default).
id attribute accepts any value which must be unique within the XML picture layout descriptor file
Stream picture width
Since build 5.2.1052, a stream picture width can be set in pixels, parent element width percents, or in columns. This is supported for row element children only, for example
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In this case test3 will be displayed in last video element
Placing the stream picture to a certain position by identifier
Since build 5.2.1950 it is possible to place the stream picture to a certain position by identifier. This may be suitable if stream name template cannot be used. Foe instance there is the layout descriptor file for three participants
| Code Block | ||||
|---|---|---|---|---|
| ||||
<?xml version="1.0" encoding="utf-8"?>
<body>
<row height="100%" align="CENTER">
<video width="100%" id="desktop" align="CENTER"></video>
<row height="20%" align="BOTTOM">
<div width="1col" height="100%" align="INLINE_HORIZONTAL"><video width="95%" height="95%" id="speaker" align="RIGHT"/></div>
<div width="1col" height="100%" align="INLINE_HORIZONTAL"><video width="95%" height="95%" id="participant" align="LEFT"/></div>
</row>
</row>
</body> |
In this case the stream can be placed to the position with desktop identifier using REST API query /mixer/set_position :
| Code Block | ||||
|---|---|---|---|---|
| ||||
POST /rest-api/mixer/set_position HTTP/1.1
Host: localhost:8081
Content-Type: application/json
{
"uri": "mixer://mixer1",
"remoteStreamName": "stream3",
"videoPositionId": "desktop"
} |
The stream also can be added to the certain position:
| Code Block | ||||
|---|---|---|---|---|
| ||||
POST /rest-api/mixer/add HTTP/1.1
Host: localhost:8081
Content-Type: application/json
{
"uri": "mixer://mixer1",
"remoteStreamName": "stream1",
"videoPositionId": "speaker"
} |
Whole mixer or participant stream watermarking
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