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spa: add comment about prefetch

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This commit is contained in:
Wim Taymans 2022-07-08 17:02:46 +02:00
parent 41dd96426c
commit 20172bfbe6
1 changed files with 6 additions and 0 deletions
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6
spa/include/spa/node/node.h
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@ -632,6 +632,12 @@ struct spa_node_methods {
* *
* When the node can accept new input in the next cycle, the * When the node can accept new input in the next cycle, the
* SPA_STATUS_NEED_DATA bit will be set. * SPA_STATUS_NEED_DATA bit will be set.
*
* Note that the node might return SPA_STATUS_NEED_DATA even when
* no input ports have this status. This means that the amount of
* data still available on the input ports is likely not going to
* be enough for the next cycle and the host might need to prefetch
* data for the next cycle.
*/ */
int (*process) (void *object); int (*process) (void *object);
}; };