Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755940Ab0HCLNF (ORCPT ); Tue, 3 Aug 2010 07:13:05 -0400 Received: from sypressi.dnainternet.net ([83.102.40.135]:49280 "EHLO sypressi.dnainternet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755475Ab0HCLNE (ORCPT ); Tue, 3 Aug 2010 07:13:04 -0400 X-Greylist: delayed 536 seconds by postgrey-1.27 at vger.kernel.org; Tue, 03 Aug 2010 07:13:03 EDT X-Spam-Flag: NO X-Spam-Score: -1.36 From: Anssi Hannula To: Takashi Iwai Subject: Re: [PATCH 0/2] ALSA: hda - support HDMI HBR passthrough Date: Tue, 3 Aug 2010 14:04:01 +0300 User-Agent: KMail/1.13.3 (Linux/2.6.35-0.rc5.1mdv; KDE/4.4.92; x86_64; ; ) Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org References: <1280831338-4596-1-git-send-email-anssi.hannula@iki.fi> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201008031404.01578.anssi.hannula@iki.fi> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1805 Lines: 50 Takashi Iwai kirjoitti tiistai, 3. elokuuta 2010 13:59:09: > 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... Yeah, I guess all the Stream Format bits should be defined to get rid of all the existing magic numbers in snd_hda_calc_stream_format() as well. > > 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(-) -- Anssi Hannula -- 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/