GetStreamCaps

Retrieves stream capabilities including supported resolutions, encoding types, and frame rates.

Endpoint

Field	Value
Method	POST or GET
URL	http://<host>[:port]/GetStreamCaps[/channelId]
Products	IPC, NVR
Channel ID	Optional (default 1)

v1.9 Only

On v2.0 devices, stream capabilities are embedded in GetVideoStreamConfig response attributes.

Response Fields

Field	Type	Description
rtspPort	uint16	RTSP streaming port
streamName	string	Stream profile name
resolutionCaps	list	Supported resolutions with max frame rates
encodeTypeCaps	list	Supported encoding formats
encodeLevelCaps	list	Supported encoding profiles

Supported Encode Types

Type	Description
h264	H.264 / AVC
mpeg4	MPEG-4
mjpeg	Motion JPEG
h264plus	H.264+ (smart codec)
h265plus	H.265+ (smart codec)
h264smart	H.264 Smart
h265smart	H.265 Smart

Supported Encode Levels

Level	Description
baseLine	Baseline profile
mainProfile	Main profile
highProfile	High profile

Response

<?xml version="1.0" encoding="UTF-8"?>
<config version="1.0" xmlns="http://www.ipc.com/ver10">
  <types>
    <resolution>
      <enum>1920x1080</enum>
      <enum>1280x720</enum>
      <enum>704x576</enum>
      <enum>352x288</enum>
    </resolution>
    <encodeType>
      <enum>h264</enum>
      <enum>mpeg4</enum>
      <enum>mjpeg</enum>
      <enum>h264plus</enum>
      <enum>h265plus</enum>
      <enum>h264smart</enum>
      <enum>h265smart</enum>
    </encodeType>
    <encodeLevel>
      <enum>baseLine</enum>
      <enum>mainProfile</enum>
      <enum>highProfile</enum>
    </encodeLevel>
  </types>
  <rtspPort type="uint16">554</rtspPort>
  <streamList type="list" count="4">
    <item id="1">
      <streamName type="string"><![CDATA[profile1]]></streamName>
      <resolutionCaps type="list" count="1">
        <itemType type="resolution"/>
        <item maxFrameRate="25">1920x1080</item>
      </resolutionCaps>
      <encodeTypeCaps type="list" count="1">
        <itemType type="encodeType"/>
        <item>h264</item>
      </encodeTypeCaps>
      <encodeLevelCaps type="list" count="3">
        <itemType type="encodeLevel"/>
        <item>baseLine</item>
        <item>mainProfile</item>
        <item>highProfile</item>
      </encodeLevelCaps>
    </item>
  </streamList>
</config>

Notes

• Each stream profile lists its own supported resolutions, encode types, and encode levels.
• The maxFrameRate attribute on resolution items indicates the maximum fps for that resolution.
• Use this information to validate parameters before calling SetVideoStreamConfig.