Table 3.1 Branch playback status

Status	Description
Branch playback ended	Branch playback ended. The stream group and stream (current stream and branch candidate) opened by the branch playback library are closed.
Branch destination selection waiting	Branch candidates are prefetched, but no branch destination is selected. All streams of branch candidates are subject to prefetching. Only the current stream can be acquired, and the branch destination stream cannot be acquired.
Branch destination decision	A branch destination was selected from among the branch candidates. Only the selected branch destination is prefetched. You can get both the current stream and the branch destination stream.
No branch destination	There are no branch candidates or branch destinations for the current stream. The last stream is being played back.

The branch playback state can be acquired with a server function.

Figure 3.3 Branch transition state transition diagram