Date: Wed, 04 Jul 2007 12:54:00 +0200 From: Karol Kwiatkowski <karol.kwiat@gmail.com> To: Yuriy Tsibizov <Yuriy.Tsibizov@gfk.com> Cc: freebsd-multimedia@freebsd.org Subject: Re: snd_emu10kx patch (WAS: RE: SB Live 5.1 Digital - sysctl ?) Message-ID: <468B7C48.9050007@gmail.com> In-Reply-To: <78664C02FF341B4FAC63E561846E3BCC0A13D8@ex.hhp.local> References: <483316d70706281009k13f2e37al2a05ea53b82c6e9a@mail.gmail.com> <78664C02FF341B4FAC63E561846E3BCC0A13D8@ex.hhp.local>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigD3C164877E02E5B6A716C030 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Yuriy Tsibizov wrote: > Dear SB Live! / Audigy users. Hi Yuriy, > I'm going to ask ariff to (ask re@ and) commit this patch before 7.0 > release: > http://chibis.persons.gfk.ru/audigy/snd_emu10kx_70_patch2 Applied to today's CURRENT, comments inline. Setup: <Creative Audigy [SB0090]>, 5.1 analog speakers, multichannel playback disabled, snd_emu10kx loaded as module (details at the end[1]). > Update snd_emu10kx driver with recent perforce changes (and some other > changes too). >=20 > (without any real order) >=20 > 1. Use device_get_nameunit for mutex naming > 2. Add timer for low-latency playback > 3. Move most mixer controls from sysctls to mixer(8) controls. This > is a largest part of this patch. > 4. Add analog/digital switch (as a temporary sysctl) It works and this is great news for me :) What are you going to do with it? Remove? Rename? Move it to mixer or else? > 5. Get back support for low-bitrate playback (with help of (2)) Hey, this works, too, no more strange sounds :) > 6. Change locking for exclusive I/O. Writing to non-PTR register > is almost safe and does not need to be ordered with PTR operations. > 7. Disable MIDI until we get it to detach properly and fix memory > managment problems. > 8. Enable multichannel playback by default. It is as stable as > single-channel mode. Multichannel recording is still an experimental > feature. > 9. Add a way to disable card from a loader tunable. >=20 > Tested on: [...snip...] > I need your feedback on: >=20 > I) High-priority checks (that I can't do on my own equipment) >=20 > -- digitally connected speakers, without > SND_EMU10KX_MULTICHANNEL_DISABLED and with it. > -- S/PDIF output to external receiver / amplifier I don't have such equipment. > 2) Overall driver stability. I did some crash-tests, it shouldn't crash= > your machine in few seconds after load :-) Works for about an hour now with different files / multiple sources. If anything crashes I'll let you know :) > 3) Features you may need or features that are not user-friendly. I'm perfectly fine with this version. I just hope analog/digital switch won't disappear. > 4) any unclear documentation No problems with it. > Hope for your help, >=20 > Yuriy Thanks for your work! Regards, Karol [1] # grep EMU kernels/PERSEPHONE options SND_EMU10KX_MULTICHANNEL_DISABLED # cat /dev/sndstat FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386) Installed devices: pcm0: <EMU10Kx DSP front PCM interface> on emu10kx0 [GIANT] (4p:1v/1r:1v channels duplex default) pcm1: <nVidia nForce2 400> at io 0xe800, 0xec00 irq 21 bufsz 16384 kld snd_ich [MPSAFE] (1p:1v/1r:1v channels duplex) # sysctl -a | grep emu10 emu10kx0: <Creative Audigy [SB0090]> port 0xd480-0xd49f irq 16 at device 8.0 on pci2 emu10kx0: [ITHREAD] pcm0: <EMU10Kx DSP front PCM interface> on emu10kx0 dev.emu10kx.0.%desc: Creative Audigy [SB0090] dev.emu10kx.0.%driver: emu10kx dev.emu10kx.0.%location: slot=3D8 function=3D0 dev.emu10kx.0.%pnpinfo: vendor=3D0x1102 device=3D0x0004 subvendor=3D0x110= 2 subdevice=3D0x0051 class=3D0x040100 dev.emu10kx.0.%parent: pci2 dev.emu10kx.0._digital: 0 dev.pcm.0.%parent: emu10kx0 # sysctl -a | grep snd hw.snd.latency_profile: 1 hw.snd.latency: 5 hw.snd.report_soft_formats: 1 hw.snd.compat_linux_mmap: 0 hw.snd.feeder_buffersize: 16384 hw.snd.feeder_rate_round: 25 hw.snd.feeder_rate_max: 2016000 hw.snd.feeder_rate_min: 1 hw.snd.verbose: 1 hw.snd.maxautovchans: 16 hw.snd.default_unit: 0 hw.snd.version: 2007061600/i386 hw.snd.default_auto: 0 --=20 Karol Kwiatkowski <karol.kwiat at gmail dot com> OpenPGP 0x06E09309 --------------enigD3C164877E02E5B6A716C030 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQEVAwUBRot8TwhgT0HIecD5AQiCKwgAmqH2nerXAkEq1W85OiatHIOtNlvQinlT bAQIThTIK2I093z93tTRCkmPGAD8/VQYHG3tTVzEjHL/npJpzAuIm6c7J9AzSWAT LRdtsLtC5H7YDBvidfecDzkutFdQJBTd8/4COHu37XnyxKNFslXO7uouUpGawOov kU/SuqXn+7X9IJXNsQg1f90MQFhZEY6ZIpKf2JHirX4XwQKVEsRBWuX25r1PJNBD tSueTC9ShkycM8rqPug8KHEH8RItrMVWsIbhKvaKRuPzvR0+D5+eXoyXvOSlU58g pzcsvYLNJM0RBJTlsEvWYdSXnCA73HA1chOmv/AOa44vZOZapiSWdw== =DKBQ -----END PGP SIGNATURE----- --------------enigD3C164877E02E5B6A716C030--
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