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獲取信號和質量數(shù)據(jù)

描述

用戶正在通話中或者會議中，用戶可以獲取當前呼叫的信號強度和質量數(shù)據(jù)信息，如果在當前正在主動共享或觀看共享，用戶還能獲取共享的質量數(shù)據(jù)信息。

前提條件

用戶正在通話中或者會議中。

業(yè)務流程

1. SDK向UI上報事件TSDK_E_CALL_EVT_STATISTIC_INFO，通知事件攜帶參數(shù)callid標識本次呼叫，信號強度和音視頻質量數(shù)據(jù)，音視頻質量數(shù)據(jù)對應的事件數(shù)據(jù)結構TSDK_S_CALL_STATISTIC_INFO包含音頻和視頻呼叫質量信息。UI獲取到事件內容后，刷新顯示。
   說明： 

   TSDK_E_CALL_EVT_STATISTIC_INFO事件每5秒上報一次，若UI需要更高頻率獲取音視頻質量數(shù)據(jù)，可以調用tsdk_get_call_statistic_info()接口獲取。

   代碼示例：

   //c code
   case TSDK_E_CALL_EVT_STATISTIC_INFO:
   {
        handle_call_statistic_info(param1, param2, (TSDK_S_CALL_STATISTIC_INFO *)data);
        break;
   }

    
2. 如果在當前正在主動共享或觀看共享，UI可以調用tsdk_get_share_statistic_info()接口獲取共享質量數(shù)據(jù)，傳入?yún)?shù)conf_handle標識本次會議句柄，返回參數(shù)數(shù)據(jù)結構TSDK_S_SHARE_STATISTIC_INFO包含共享質量數(shù)據(jù)。

   代碼示例：

   //c code
   - (VideoStreamInfo *)getSignalDataInfo
   {
       TSDK_S_SHARE_STATISTIC_INFO share_statistic_info;
       memset(&share_statistic_info, 0, sizeof(TSDK_S_SHARE_STATISTIC_INFO));
       tsdk_get_share_statistic_info(_confHandle, &share_statistic_info);
   
       VideoStreamInfo *videoStreamInfo = [[VideoStreamInfo alloc] init];
       videoStreamInfo.sendBitRate = share_statistic_info.send_bit_rate;
       videoStreamInfo.sendFrameSize = [NSString stringWithFormat:@"%u*%u",share_statistic_info.send_frame_size_width,share_statistic_info.send_frame_size_height];
       videoStreamInfo.sendFrameRate = share_statistic_info.send_frame_rate;
       videoStreamInfo.sendLossFraction = share_statistic_info.send_pkt_loss;
       videoStreamInfo.sendDelay = share_statistic_info.send_rtt;
       videoStreamInfo.sendJitter = share_statistic_info.send_jitter;
       videoStreamInfo.recvBitRate = share_statistic_info.recv_bit_rate;
       videoStreamInfo.recvFrameSize = [NSString stringWithFormat:@"%u*%u",share_statistic_info.recv_frame_size_width,share_statistic_info.recv_frame_size_height];
       videoStreamInfo.recvLossFraction = share_statistic_info.recv_pkt_loss;
       videoStreamInfo.recvFrameRate = share_statistic_info.recv_frame_rate;
       videoStreamInfo.recvDelay = share_statistic_info.recv_rtt;
       videoStreamInfo.recvJitter = share_statistic_info.recv_jitter;
   
       return videoStreamInfo;
   }