Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756101Ab0HCLEs (ORCPT ); Tue, 3 Aug 2010 07:04:48 -0400 Received: from cantor2.suse.de ([195.135.220.15]:40213 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754421Ab0HCLEq (ORCPT ); Tue, 3 Aug 2010 07:04:46 -0400 Date: Tue, 03 Aug 2010 13:04:46 +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: <201008031404.01578.anssi.hannula@iki.fi> References: <1280831338-4596-1-git-send-email-anssi.hannula@iki.fi> <201008031404.01578.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: 1337 Lines: 37 At Tue, 3 Aug 2010 14:04:01 +0300, Anssi Hannula wrote: > > 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. Exactly. Takashi -- 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/