更新时间:2019-11-20
用户可以将正在进行的视频通话保持,待需要的时候再恢复通话,能减少拨号次数,使用更方便。
视频通话已建立,主被叫正在通话中。
保持通话
通话中,主被叫双方均可以发起保持通话操作。
视频通话保持,需先移除视频,再保持音频通话;恢复通话,需先恢复音频通话,再打开视频。
当前服务器暂不支持视频通话保持,需要先移除视频窗口,转换为语音通话后再保持通话。
//c code TSDK_RESULT ret ; ret = tsdk_hold_call ( callid ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "hold failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
//c code case TSDK_E_CALL_EVT_HOLD_SUCCESS: { CHECK_POINTER ( data ); TSDK_S_CALL_INFO * callInfo = ( TSDK_S_CALL_INFO * ) data ; TSDK_S_CALL_INFO * notifyInfo = new TSDK_S_CALL_INFO ; memset ( notifyInfo , 0 , sizeof ( TSDK_S_CALL_INFO )); memcpy_s ( notifyInfo , sizeof ( TSDK_S_CALL_INFO ), callInfo , sizeof ( TSDK_S_CALL_INFO )); CDemoCallCtrlDlg * pCallDlg ; pCallDlg = CallDlgManager :: GetInstance (). GetCallDlgByCallID ( notifyInfo -> call_id ); CHECK_POINTER ( pCallDlg ); :: PostMessage ( pCallDlg -> GetSafeHwnd (), WM_CALL_HOLD_SUCESS , NULL , NULL ); break ; } |
恢复通话
保持通话发起方才可进行恢复通话操作。
//c code TSDK_RESULT ret ; ret = tsdk_unhold_call ( callid ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "unhold failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
恢复通话可能由于网络侧极低概率的冲突或异常,导致用户恢复通话失败,此时SDK向UI上报恢复通话失败事件TSDK_E_CALL_EVT_UNHOLD_FAILED,并自动挂断通话。
//c code case TSDK_E_CALL_EVT_UNHOLD_SUCCESS: { CHECK_POINTER ( data ); TSDK_S_CALL_INFO * callInfo = ( TSDK_S_CALL_INFO * ) data ; TSDK_S_CALL_INFO * notifyInfo = new TSDK_S_CALL_INFO ; memset ( notifyInfo , 0 , sizeof ( TSDK_S_CALL_INFO )); memcpy_s ( notifyInfo , sizeof ( TSDK_S_CALL_INFO ), callInfo , sizeof ( TSDK_S_CALL_INFO )); CDemoCallCtrlDlg * pCallDlg ; pCallDlg = CallDlgManager :: GetInstance (). GetCallDlgByCallID ( notifyInfo -> call_id ); CHECK_POINTER ( pCallDlg ); :: PostMessage ( pCallDlg -> GetSafeHwnd (), WM_CALL_UNHOLD_SUCESS , NULL , NULL ); break ; } |
//c code TSDK_RESULT ret ; ret = tsdk_add_video ( callid ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "add video failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
//c code TSDK_RESULT ret ; TSDK_S_VIDEO_WND_INFO video_window_info [ SERVICE_CALL_D_VIDEO_WINDOW_NUM ] = { TSDK_E_VIDEO_WND_REMOTE }; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. render = ( TSDK_UINT32 ) local_video_wnd ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. video_wnd_type = TSDK_E_VIDEO_WND_LOCAL ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. index = 1 ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. display_mode = TSDK_E_VIDEO_WND_DISPLAY_FULL ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. render = ( TSDK_UINT32 ) remote_video_wnd ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. video_wnd_type = TSDK_E_VIDEO_WND_REMOTE ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. index = 0 ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. display_mode = TSDK_E_VIDEO_WND_DISPLAY_FULL ; ret = tsdk_set_video_window ( callid , SERVICE_CALL_D_VIDEO_WINDOW_NUM , video_window_info ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "set video window info failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
//c code unsigned int callID = ( unsigned int ) wParam ; CDemoCallCtrlDlg * pCallDlg = CallDlgManager :: GetInstance (). GetCallDlgByCallID ( callID ); CHECK_POINTER_RETURN ( pCallDlg , - 1L ); CDemoPromptDlg dlg ; dlg . SetTextOfContent ( L"The peer party request add video,do you agree?" ); INT_PTR nResponse = dlg . DoModal (); pCallDlg -> PostMessage ( WM_CALL_ADD_VIDEO , ( WPARAM ) nResponse , NULL ); return 0L ; |
//c code TSDK_RESULT ret ; ret = tsdk_reply_add_video ( callid , isAccept ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "reply add video failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
//c code TSDK_RESULT ret ; TSDK_S_VIDEO_WND_INFO video_window_info [ SERVICE_CALL_D_VIDEO_WINDOW_NUM ] = { TSDK_E_VIDEO_WND_REMOTE }; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. render = ( TSDK_UINT32 ) local_video_wnd ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. video_wnd_type = TSDK_E_VIDEO_WND_LOCAL ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. index = 1 ; video_window_info [ TSDK_E_VIDEO_WND_LOCAL ]. display_mode = TSDK_E_VIDEO_WND_DISPLAY_FULL ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. render = ( TSDK_UINT32 ) remote_video_wnd ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. video_wnd_type = TSDK_E_VIDEO_WND_REMOTE ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. index = 0 ; video_window_info [ TSDK_E_VIDEO_WND_REMOTE ]. display_mode = TSDK_E_VIDEO_WND_DISPLAY_FULL ; ret = tsdk_set_video_window ( callid , SERVICE_CALL_D_VIDEO_WINDOW_NUM , video_window_info ); if ( TSDK_SUCCESS != ret ) { LOG_D_CALL_ERROR ( "set video window info failed. result=%#x" , ret ); return - 1 ; } return TSDK_SUCCESS ; |
//c code unsigned int callID = ( unsigned int ) wParam ; CDemoCallCtrlDlg * pCallDlg ; pCallDlg = CallDlgManager :: GetInstance (). GetCallDlgByCallID ( callID ); CHECK_POINTER_RETURN ( pCallDlg , - 1L ); DLG_TYPE type ; type = SIP_SIGNLE_VIDEO ; pCallDlg -> SendMessage ( WM_CALL_MODIFY_VIDEO , WPARAM ( type ), NULL ); return 0L ; |
因通话双方均可以在本端处于通话态发起保持操作,即通话可能会处于双向保持态,在任一保持方发起恢复通话时,仅能恢复本端通话状态,不会恢复对端的通话状态;视频通话双向保持中任一方先恢复通话,不会自动打开视频。