Messages in this thread | | | Subject | Re: [PATCH 1/3] ALSA: compress: document the compress audio state machine | From | Pierre-Louis Bossart <> | Date | Fri, 19 Jun 2020 09:22:09 -0500 |
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> + > + +----------+ > + | | > + | OPEN | > + | | > + +----------+ > + | > + | > + | compr_set_params() > + | > + V > + +----------+ > + compr_drain_notify() | | > + +------------------------>| SETUP | > + | | | > + | +----------+ > + | | > + | | > + | | compr_write() > + | | > + | V > + | +----------+ > + | | | > + | | PREPARE | > + | | | > + | +----------+ > + | | > + | | > + | | compr_start() > + | | > + | V > + +----------+ +----------+ compr_pause() +----------+ > + | | | |----------------------->| | > + | DRAIN |<-------------------| RUNNING | | PAUSE | > + | | | |<-----------------------| | > + +----------+ +----------+ compr_resume() +----------+ > + | | > + | | > + | | compr_free() > + | | > + | V > + | +----------+ > + | compr_free() | | > + +------------------------>| | > + | STOP | > + | | > + +----------+
The STOP state doesn't seem quite right to me, sorry.
the direction of the DRAIN-STOP comp_free() arrow seems wrong? Of if it is correct, then something's missing to exit the STOP state so that the stream can be opened again.
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