Zhao Zhili via ffmpeg-devel (HE12025-10-31): > Current implementation isn’t a new API, but new flags. It extends the ways to > traverse a graph.
A new flag is a new API. > The existing API has the capability to send commands to a specific filter, a > certain > type of filter, or all filters, but it lacks the ability to send commands to > a subgraph, > unless the user manually filters out all filters belonging to the subgraph, > which is > possible but complex. > > The newly added flags provide subgraph traversal capability. > > A common use case is when a graph contains multiple sources; I want to send > commands, such as volume control, to a subgraph with a specific source as the > root node, without affecting other sources. While controlling via volume > instance > names is also feasible, using the source for control offers additional > flexibility. Then we need a patch series that really allows to do that, including examples. Regards, -- Nicolas George _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
