# io.agora.rtc.PeerDownlinkInfo类 参考 (/zh-CN/api-reference/rtc-server-sdk/java/classio-1-1agora-1-1rtc-1-1-peer-downlink-info)

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## 构造及析构函数说明 [#构造及析构函数说明]

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### PeerDownlinkInfo() [1/2] [#peerdownlinkinfo-12]

<ApiSignature>

io.agora.rtc.PeerDownlinkInfo.PeerDownlinkInfo()

</ApiSignature>

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### PeerDownlinkInfo() [2/2] [#peerdownlinkinfo-22]

<ApiSignature>

io.agora.rtc.PeerDownlinkInfo.PeerDownlinkInfo(java.lang.String *uid*, int *streamType*, int *currentDownscaleLevel*, int *expectedBitrateBps*)

</ApiSignature>

构造函数。

<ParameterList title="参数">
<Parameter name="uid">

远端视频流的用户 ID。

</Parameter>
<Parameter name="streamType">

远端视频流类型：

- 0: 大流。分辨率和码率较高。
- 1: 小流。分辨率和码率较低。

</Parameter>
<Parameter name="currentDownscaleLevel">

远端视频缩小程度。远端视频缩小级别。级别越高，缩小程度越高。

- 0: 不缩小。
- 1: 级别 1。
- 2: 级别 2。
- 3: 级别 3。
- 4: 级别 4。

</Parameter>
<Parameter name="expectedBitrateBps">

The expected bitrate in bps.

</Parameter>
</ParameterList>

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## 成员函数说明 [#成员函数说明]

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### getCurrentDownscaleLevel() [#getcurrentdownscalelevel]

<ApiSignature>

int io.agora.rtc.PeerDownlinkInfo.getCurrentDownscaleLevel()

</ApiSignature>

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### getExpectedBitrateBps() [#getexpectedbitratebps]

<ApiSignature>

int io.agora.rtc.PeerDownlinkInfo.getExpectedBitrateBps()

</ApiSignature>

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### getStreamType() [#getstreamtype]

<ApiSignature>

int io.agora.rtc.PeerDownlinkInfo.getStreamType()

</ApiSignature>

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### getUid() [#getuid]

<ApiSignature>

java.lang.String io.agora.rtc.PeerDownlinkInfo.getUid()

</ApiSignature>

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### setCurrentDownscaleLevel() [#setcurrentdownscalelevel]

<ApiSignature>

void io.agora.rtc.PeerDownlinkInfo.setCurrentDownscaleLevel(int *currentDownscaleLevel*)

</ApiSignature>

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### setExpectedBitrateBps() [#setexpectedbitratebps]

<ApiSignature>

void io.agora.rtc.PeerDownlinkInfo.setExpectedBitrateBps(int *expectedBitrateBps*)

</ApiSignature>

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### setStreamType() [#setstreamtype]

<ApiSignature>

void io.agora.rtc.PeerDownlinkInfo.setStreamType(int *streamType*)

</ApiSignature>

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### setUid() [#setuid]

<ApiSignature>

void io.agora.rtc.PeerDownlinkInfo.setUid(java.lang.String *uid*)

</ApiSignature>

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## 类成员变量说明 [#类成员变量说明]

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### currentDownscaleLevel [#currentdownscalelevel]

<ApiSignature labels="private">

int io.agora.rtc.PeerDownlinkInfo.currentDownscaleLevel

</ApiSignature>

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### expectedBitrateBps [#expectedbitratebps]

<ApiSignature labels="private">

int io.agora.rtc.PeerDownlinkInfo.expectedBitrateBps

</ApiSignature>

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### streamType [#streamtype]

<ApiSignature labels="private">

int io.agora.rtc.PeerDownlinkInfo.streamType

</ApiSignature>

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### uid [#uid]

<ApiSignature labels="private">

java.lang.String io.agora.rtc.PeerDownlinkInfo.uid

</ApiSignature>

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该类的文档由以下文件生成:

- PeerDownlinkInfo.java