A Method of Using Script Plug-ins to Control the Execution of Playout Tasks
A task execution and plug-in technology, applied in the direction of program synchronization, multi-program installation, etc., can solve the problems of difficult modification, maintenance, and large workload of the program, and achieve the effect of facilitating collaborative work requirements and reducing workload.
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Embodiment 1
[0029] In this embodiment, the display area of the broadcast screen is as figure 2 As shown, it is required to broadcast the K-line chart of each stock in the Shanghai stock market in area 1, and the K-line chart of each stock in Shenzhen stock market in area 2, and the content in area 1 and area 2 is simultaneously scrolled .
[0030] To achieve the above requirements, the following three tasks are required:
[0031] Task (Shanghai stock market): Responsible for the broadcast of all Shanghai stock K-line charts, set to not automatically turn the screen;
[0032] Task (Shenzhen): Responsible for the broadcasting of all Shenzhen stock K-line charts, set to not automatically scroll;
[0033] Script plug-in: responsible for controlling when the first two tasks start broadcasting, when they stop broadcasting, and when they turn the screen.
[0034] For tasks (Shanghai Stock Market) and tasks (Shenzhen Stock Market): When the command is received, the K-line chart of the firs...
Embodiment 2
[0039] In this example, in figure 2 The stock prices of the Shanghai stock market and the Shenzhen stock market are broadcast in the display area 5 shown. It is required to turn the screen to broadcast the prices of all Shanghai stock stocks, then broadcast all the stock prices of the Shenzhen stock market, and then broadcast the Shanghai stock market, so Repeatedly.
[0040] To achieve the above requirements, the following three tasks are required:
[0041] For tasks (Shanghai Stock Market) and tasks (Shenzhen Stock Market), it is set to automatically flip the screen at 2000 milliseconds, and after playing all the data once, it will automatically stop and send a command to the script plug-in. The instruction queue in the script plugin is as follows Figure 4 shown.
[0042] When the script plug-in receives the "start command", set m_nCurIndex to 1, and return after waiting for 1 millisecond.
[0043] After waiting for 1 millisecond, read the m_nCurIndex inst...
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