Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756075Ab0HCK7N (ORCPT ); Tue, 3 Aug 2010 06:59:13 -0400 Received: from cantor.suse.de ([195.135.220.2]:50123 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755949Ab0HCK7M (ORCPT ); Tue, 3 Aug 2010 06:59:12 -0400 Date: Tue, 03 Aug 2010 12:59:09 +0200 Message-ID: From: Takashi Iwai To: Anssi Hannula Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] ALSA: hda - support HDMI HBR passthrough In-Reply-To: <1280831338-4596-1-git-send-email-anssi.hannula@iki.fi> References: <1280831338-4596-1-git-send-email-anssi.hannula@iki.fi> User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.1 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1507 Lines: 43 At Tue, 3 Aug 2010 13:28:56 +0300, Anssi Hannula wrote: > > Hi all! > > This patchset adds support for passing through IEC 61937 encapsulated > compressed audio at high bitrates (i.e. those over 6.144Mbps). > At least TrueHD and DTS-HD are such formats. > > I've tested this using an NVIDIA hdmi codec and the following ffmpeg > patch which adds support for TrueHD in its IEC 61937 muxer: > http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-August/094317.html > > One needs to set the AES0 & 0x02 (non-audio) bit during playback so that > the data is not transmitted as normal 8 channel PCM audio. Thanks, I applied both patches. There are some magic numbers there like 0x8000, and I'm going to define them... Takashi > > --- > Anssi Hannula (2): > ALSA: hda - Set Stream Type in Stream Format according to AES0 > ALSA: hda - Add support for HDMI HBR passthrough > > sound/pci/hda/hda_codec.c | 6 ++++- > sound/pci/hda/hda_codec.h | 6 ++++- > sound/pci/hda/hda_intel.c | 3 +- > sound/pci/hda/patch_hdmi.c | 40 ++++++++++++++++++++++++++++++++++++++- > sound/pci/hda/patch_intelhdmi.c | 3 +- > sound/pci/hda/patch_nvhdmi.c | 3 +- > 6 files changed, 53 insertions(+), 8 deletions(-) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/