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

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

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下行网络信息。

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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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### DownlinkNetworkInfo() [1/2] [#downlinknetworkinfo-12]

<ApiSignature>

io.agora.rtc.DownlinkNetworkInfo.DownlinkNetworkInfo()

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### DownlinkNetworkInfo() [2/2] [#downlinknetworkinfo-22]

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io.agora.rtc.DownlinkNetworkInfo.DownlinkNetworkInfo(int *lastmileBufferDelayTimeMs*, int *bandwidthEstimationBps*, int *totalDownscaleLevelCount*, [PeerDownlinkInfo](/zh-CN/api-reference/rtc-server-sdk/java/classio-1-1agora-1-1rtc-1-1-peer-downlink-info) *peerDownlinkInfo*, int *totalReceivedVideoCount*)

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结构体。

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

lastmile 视频延时（毫秒）。

</Parameter>
<Parameter name="bandwidthEstimationBps">

视频缩小之后，当前的下行带宽预测（bps）。

</Parameter>
<Parameter name="totalDownscaleLevelCount">

视频缩小级别总数。

</Parameter>
<Parameter name="peerDownlinkInfo">

远端用户网络下行信息。

</Parameter>
<Parameter name="totalReceivedVideoCount">

收到视频帧总数。

</Parameter>
</ParameterList>

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## 成员函数说明 [#成员函数说明]

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### getBandwidthEstimationBps() [#getbandwidthestimationbps]

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int io.agora.rtc.DownlinkNetworkInfo.getBandwidthEstimationBps()

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### getLastmileBufferDelayTimeMs() [#getlastmilebufferdelaytimems]

<ApiSignature>

int io.agora.rtc.DownlinkNetworkInfo.getLastmileBufferDelayTimeMs()

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### getPeerDownlinkInfo() [#getpeerdownlinkinfo]

<ApiSignature>

[PeerDownlinkInfo](/zh-CN/api-reference/rtc-server-sdk/java/classio-1-1agora-1-1rtc-1-1-peer-downlink-info) io.agora.rtc.DownlinkNetworkInfo.getPeerDownlinkInfo()

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### getTotalDownscaleLevelCount() [#gettotaldownscalelevelcount]

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int io.agora.rtc.DownlinkNetworkInfo.getTotalDownscaleLevelCount()

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### getTotalReceivedVideoCount() [#gettotalreceivedvideocount]

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int io.agora.rtc.DownlinkNetworkInfo.getTotalReceivedVideoCount()

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### setBandwidthEstimationBps() [#setbandwidthestimationbps]

<ApiSignature>

void io.agora.rtc.DownlinkNetworkInfo.setBandwidthEstimationBps(int *bandwidthEstimationBps*)

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### setLastmileBufferDelayTimeMs() [#setlastmilebufferdelaytimems]

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void io.agora.rtc.DownlinkNetworkInfo.setLastmileBufferDelayTimeMs(int *lastmileBufferDelayTimeMs*)

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### setPeerDownlinkInfo() [#setpeerdownlinkinfo]

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void io.agora.rtc.DownlinkNetworkInfo.setPeerDownlinkInfo([PeerDownlinkInfo](/zh-CN/api-reference/rtc-server-sdk/java/classio-1-1agora-1-1rtc-1-1-peer-downlink-info) *peerDownlinkInfo*)

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### setTotalDownscaleLevelCount() [#settotaldownscalelevelcount]

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void io.agora.rtc.DownlinkNetworkInfo.setTotalDownscaleLevelCount(int *totalDownscaleLevelCount*)

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### setTotalReceivedVideoCount() [#settotalreceivedvideocount]

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void io.agora.rtc.DownlinkNetworkInfo.setTotalReceivedVideoCount(int *totalReceivedVideoCount*)

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## 类成员变量说明 [#类成员变量说明]

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### bandwidthEstimationBps [#bandwidthestimationbps]

<ApiSignature labels="private">

int io.agora.rtc.DownlinkNetworkInfo.bandwidthEstimationBps

</ApiSignature>

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### lastmileBufferDelayTimeMs [#lastmilebufferdelaytimems]

<ApiSignature labels="private">

int io.agora.rtc.DownlinkNetworkInfo.lastmileBufferDelayTimeMs

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### peerDownlinkInfo [#peerdownlinkinfo]

<ApiSignature labels="private">

[PeerDownlinkInfo](/zh-CN/api-reference/rtc-server-sdk/java/classio-1-1agora-1-1rtc-1-1-peer-downlink-info) io.agora.rtc.DownlinkNetworkInfo.peerDownlinkInfo

</ApiSignature>

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### totalDownscaleLevelCount [#totaldownscalelevelcount]

<ApiSignature labels="private">

int io.agora.rtc.DownlinkNetworkInfo.totalDownscaleLevelCount

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### totalReceivedVideoCount [#totalreceivedvideocount]

<ApiSignature labels="private">

int io.agora.rtc.DownlinkNetworkInfo.totalReceivedVideoCount

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该类的文档由以下文件生成:

- DownlinkNetworkInfo.java