* dir parameter
@ 2002-07-18 16:40 FAU
2002-07-18 17:22 ` Paul Davis
0 siblings, 1 reply; 3+ messages in thread
From: FAU @ 2002-07-18 16:40 UTC (permalink / raw)
To: alsa-devel
Hi,
some functions take an int parameter called dir (e.g.:
snd_pcm_hw_params_set_rate()).
What is the meaning of that parameter?
Regards
FAU
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: dir parameter
2002-07-18 16:40 dir parameter FAU
@ 2002-07-18 17:22 ` Paul Davis
2002-07-18 18:06 ` FAU
0 siblings, 1 reply; 3+ messages in thread
From: Paul Davis @ 2002-07-18 17:22 UTC (permalink / raw)
To: FAU; +Cc: alsa-devel
>some functions take an int parameter called dir (e.g.:
>snd_pcm_hw_params_set_rate()).
>What is the meaning of that parameter?
its to let you know if the actual value set is above, below or equal
to the one you asked for.
--p
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: dir parameter
2002-07-18 17:22 ` Paul Davis
@ 2002-07-18 18:06 ` FAU
0 siblings, 0 replies; 3+ messages in thread
From: FAU @ 2002-07-18 18:06 UTC (permalink / raw)
Cc: alsa-devel
Paul Davis wrote:
> >some functions take an int parameter called dir (e.g.:
> >snd_pcm_hw_params_set_rate()).
> >What is the meaning of that parameter?
>
> its to let you know if the actual value set is above, below or equal
> to the one you asked for.
>
> --p
But how could this be in this case:
int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
unsigned int val, int dir);
dir is not a pointer?
By the way, my impression was that only functions with _near postfix are allowed
to choose a value
different to the requested one?
/FAU
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2002-07-18 16:40 dir parameter FAU
2002-07-18 17:22 ` Paul Davis
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