# IZoomSDKRenderer interface problem

**URL:** <https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749>\
**Category:** Windows\
**Created:** [May 31, 2022, 10:48am UTC](https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749 "2022-05-31T10:48:00Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![gph1122](https://avatars.discourse-cdn.com/v4/letter/g/9de0a6/32.png) [@gph1122](https://devforum.zoom.us/u/gph1122)\
**Post date:** [May 31, 2022, 10:48am UTC](https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749/1 "2022-05-31T10:48:00Z")

</div>

**Description**  
The IZoomSDKRenderer interface can only subscribe to two streams at the same time. If there are more streams, the subscription fails. The error code returned is SDKERR\_WRONG\_USAGE,///\<Incorrect usage of the feature.

**Which Windows Meeting SDK version?**  
5.10.1.4450

---

<div class="post-metadata">

**Author:** ![jon.zoom](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/jon.zoom/32/13495_2.png) [@jon.zoom](https://devforum.zoom.us/u/jon.zoom)\
**Post date:** [June 1, 2022, 7:16pm UTC](https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749/2 "2022-06-01T19:16:47Z")

</div>

Hi @gph1122,

It sounds possible that you are reaching a bandwidth limit imposed by the SDK. Can you please confirm what resolution the video data you are seeing is?

Thanks!

---

<div class="post-metadata">

**Author:** ![gph1122](https://avatars.discourse-cdn.com/v4/letter/g/9de0a6/32.png) [@gph1122](https://devforum.zoom.us/u/gph1122)\
**Post date:** [June 2, 2022, 2:06am UTC](https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749/3 "2022-06-02T02:06:59Z")

</div>

Hi,Jon  
If the resolution is not set, it is 180p, and the highest resolution is 640\*360

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [July 2, 2022, 12:07pm UTC](https://devforum.zoom.us/t/izoomsdkrenderer-interface-problem/69749/4 "2022-07-02T12:07:47Z")

</div>

Closed on July 2, 2022, 12:07pm UTC

This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.