From: Clemens Ladisch <clemens@ladisch.de>
To: Richard Zhao <linuxzsc@gmail.com>
Cc: alsa-devel <alsa-devel@alsa-project.org>
Subject: Re: How to tell user level hardware not support a certain format in a certain sample rate
Date: Mon, 02 Mar 2009 16:58:42 +0100 [thread overview]
Message-ID: <49AC0232.1060909@ladisch.de> (raw)
In-Reply-To: <4e090d470903020604h27ce2ce8l47f996edc9764ada@mail.gmail.com>
Richard Zhao wrote:
> runtime->hw.rates and runtime->hw.formats indicate the rate and
> formats hardware can support, so the user level plugins can
> auto-convert the audio data. But hardware may not support a certain
> combin of sample rate and format,
Did you install your own constraint rules, as described in section
"Constraints" of "Writing an ALSA Driver"?
Best regards,
Clemens
next prev parent reply other threads:[~2009-03-02 15:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-23 7:02 How to tell user level hardware not support a certain format in a certain sample rate Richard Zhao
2009-03-02 14:04 ` Richard Zhao
2009-03-02 14:12 ` Takashi Iwai
2009-03-02 15:58 ` Clemens Ladisch [this message]
2009-03-15 10:38 ` Richard Zhao
2009-03-16 8:54 ` Clemens Ladisch
2009-03-17 6:57 ` Richard Zhao
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