Date: Mon, 27 Sep 2010 17:55:44 +0300 From: Alexander Motin <mav@FreeBSD.org> To: "S.N.Grigoriev" <serguey-grigoriev@yandex.ru>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: snd_hda: how to duplicate output Message-ID: <4CA0B070.8080906@FreeBSD.org> In-Reply-To: <mailpost.1285586678.4925103.59926.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> References: <mailpost.1285586678.4925103.59926.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw>
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S.N.Grigoriev wrote: > this is an exerpt from 8.1R detailed Release Notes: > > 2.2.2.1 Multimedia Support > [snipped] > The snd_hda(4) driver now supports multichannel (4.0 and 7.1) > playback support. The 5.1 mode support is disabled now due to > unidentified synchronization problem. Devices which supports > the 7.1 mode can handle the 5.1 operation via software upmix > done by sound(4). Note that stereo stream is no longer duplicated > to all ports. > > I'm interesting in what way can I restore the old behaviour, when > stereo stream is duplicated to the black and grey sound card > output connectors? The only way is to change channel mapping (chmap array) for stereo streams in hdac_stream_setup() function. -- Alexander Motin
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