[pulseaudio-discuss] [PATCH] protocol-native: fix bytes-to-usec conversion of "on-the-fly" data

Tanu Kaskinen tanuk at iki.fi
Mon Jul 17 16:47:25 UTC 2017


On Sat, 2017-07-15 at 11:20 +0530, Arun Raghavan wrote:
> 
> On Tue, 11 Jul 2017, at 11:46 PM, Tanu Kaskinen wrote:
> > The on_the_fly_snapshot variable contains the amount of bytes that has
> > been sent from the source IO thread to the main thread, but not yet
> > pushed to the stream memblockq. The data is in the stream format, but
> > the bytes-to-usec conversion used the source format, which caused random
> > latency reporting errors.
> > 
> > BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=81075
> > ---
> >  src/pulsecore/protocol-native.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/src/pulsecore/protocol-native.c
> > b/src/pulsecore/protocol-native.c
> > index 266b676de..d5d032950 100644
> > --- a/src/pulsecore/protocol-native.c
> > +++ b/src/pulsecore/protocol-native.c
> > @@ -2922,7 +2922,7 @@ static void command_get_record_latency(pa_pdispatch
> > *pd, uint32_t command, uint3
> >      pa_tagstruct_put_usec(reply, s->current_monitor_latency);
> >      pa_tagstruct_put_usec(reply,
> >                            s->current_source_latency +
> > -                          pa_bytes_to_usec(s->on_the_fly_snapshot,
> > &s->source_output->source->sample_spec));
> > +                          pa_bytes_to_usec(s->on_the_fly_snapshot,
> > &s->source_output->sample_spec));
> >      pa_tagstruct_put_boolean(reply,
> >                               pa_source_get_state(s->source_output->source)
> >                               == PA_SOURCE_RUNNING &&
> >                               pa_source_output_get_state(s->source_output)
> >                               == PA_SOURCE_OUTPUT_RUNNING);
> > -- 
> 
> Looks good. Let's get this into 11.0, maybe?

Ok, I'll push this to master. Would you like to have also

    simple: Change latency estimation to account for already-read data
    in pa_simple_get_latency().

and

    simple: fix negative latency handling

in 11.0? Those improve latency reporting for the simple API.

-- 
Tanu

https://www.patreon.com/tanuk


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