From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: HDMI Multichannel LPCM/RAW Support/Status Date: Wed, 27 Feb 2008 17:18:01 +0100 Message-ID: References: <001201c878e6$0a8245a0$1f86d0e0$@com> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 8758F1038E4 for ; Wed, 27 Feb 2008 17:18:01 +0100 (CET) In-Reply-To: <001201c878e6$0a8245a0$1f86d0e0$@com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Dustin Kerstein Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org At Tue, 26 Feb 2008 21:11:17 -0500, Dustin Kerstein wrote: > > I was just curious if there is any planned support for multichannel LPCM/Raw > audio for newer HDMI based chipsets. There are several matx boards with HDMI > 1.1 and above compliance, which means they should be able to pass 8-channel > LPCM audio. Also, in HDMI 1.3 and above, Bit Stream passing is supported, > which actually should be easier, bandwidth wise, than LPCM. Multichannel PCM > (above 2 channels) was never an issue because SPDIF lacked the bandwidth. > After talking with some people in irc it seems as though the # of channels > setting in Alsa is only one bit. Thanks. Well, I have no plan yet because I have no such a hardware... I'm willing to help implementation if you can give any pointers for technical details. Takashi