From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Jean-Francois Moine <moinejf@free.fr>
Cc: alsa-devel@alsa-project.org, Jason Cooper <jason@lakedaemon.net>,
Jassi Brar <jassi.brar@samsung.com>, Takashi Iwai <tiwai@suse.de>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: KNOT / CONTINUOUS (was: [PATCH] ASoC: kirkwood: Fix invalid SPDIF format)
Date: Tue, 26 Nov 2013 19:32:47 +0000 [thread overview]
Message-ID: <20131126193246.GH16735@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20131126200916.47a45929@armhf>
On Tue, Nov 26, 2013 at 08:09:16PM +0100, Jean-Francois Moine wrote:
> Otherwise, removing SNDRV_PCM_RATE_CONTINUOUS in the codec, I can hear
> the 7850Hz stream which is converted to 22.05 kHz by vlc, but when I
> want a stream at 33.075kHz, vlc converts it to 32kHz.
What is your fascination with doing stuff outside the specifications?
The HDMI spec is quite clear:
"An HDMI Source is permitted to transmit L-PCM audio data at sample rates
of 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz or 192kHz."
It goes on to say:
"An HDMI Sink may accept L-PCM audio at sample rates of 32kHz, 44.1kHz,
48kHz, 88.2kHz, 96kHz, 176.4kHz or 192kHz, and should indicate these
capabilities in the E-EDID data structure."
That doesn't say that 8kHz, 22.05kHz etc are valid sample rates for
HDMI. It may work for some devices but it's non-standard.
next prev parent reply other threads:[~2013-11-26 19:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-26 9:41 [PATCH] ASoC: kirkwood: Fix invalid SPDIF format Jean-Francois Moine
2013-11-26 10:20 ` Takashi Iwai
2013-11-26 19:09 ` KNOT / CONTINUOUS (was: [PATCH] ASoC: kirkwood: Fix invalid SPDIF format) Jean-Francois Moine
2013-11-26 19:32 ` Russell King - ARM Linux [this message]
2013-11-26 19:37 ` KNOT / CONTINUOUS Lars-Peter Clausen
2013-11-26 20:27 ` Lars-Peter Clausen
2013-11-27 7:16 ` Takashi Iwai
2013-11-27 16:48 ` [PATCH] ASoC: kirkwood: Fix invalid SPDIF format Mark Brown
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