Window parameter structure of video wall.
struct{
DWORD dwSize;
BYTE byTransparency;
BYTE byWinMode;
BYTE byEnableSpartan;
BYTE byDecResource;
BYTE byWndShowMode;
BYTE byEnabledFeature;
BYTE byFeatureMode;
BYTE byRes1;
DWORD dwAmplifyingSubWndNo;
BYTE byWndTopKeep;
BYTE byWndOpenKeep;
BYTE byRes[22];
}NET_DVR _WALLWINPARAM, *LPNET_DVR _WALLWINPARAM;
Structure size
Transparency: 0-disable, 1-enable
Window division mode, which can be obtained via the video wall capability set.
Fluent video: 0-disable, 1-enable
Allocate decoding resources: 1-D1, 2-720P, 3-1080P, 4-300W, 5-500W
Window display mode: 0-reserved, 1-sub window mode, 2-sub window in full screen mode
Scene close-up: 0-disable, 1-enable
Close-up mode, it is valid only when the scene close-up is enabled: 0-invalid, 1-"1+5" mode
Reserved.
Sub window No.=1-byte video wall No.+1-byte sub window No.+2-byte window No., it is valid only when byWndShowMode is 2.
Window stays on top: 0-not support, 1-support
Window remains open: 0-not support, 1-support
Reserved
The scene close-up can be enabled only when the byWinMode is in 1×1 window division mode.
The window with scene close-up enabled is called close-up window, and the larger sub window is called main sub window (the No. is 1), the other sub windows (the No. starts from 2) are called close-up sub window.
After enabling scene close-up, the image of the original window will be displayed in the main sub window, and the close-up images will be displayed in the close-up sub window.