custom_watermark_filename=https://server/pics/watermark.png
POST /rest-api/transcoder2/startup HTTP/1.1
Host: localhost:8081
Content-Type: application/json
{
"uri": "transcoder2://tcode2",
"remoteStreamName": "test",
"localStreamName": "testT",
"encoder": {
"width": 320,
"height": 240,
"keyFrameInterval": 60,
"fps": 30,
"watermark": "https://server/pics/watermark.png"
}
}