From: Jindrich Makovicka <makovick@kmlinux.fjfi.cvut.cz>
To: alsa-devel@lists.sourceforge.net
Subject: Re: [PATCH] remove emu10k1 pops/clicks at the beginning and end of playback (fwd)
Date: Sat, 05 Mar 2005 12:46:54 +0100 [thread overview]
Message-ID: <d0c5th$a56$1@sea.gmane.org> (raw)
In-Reply-To: <4229925C.6020009@superbug.co.uk>
James Courtier-Dutton wrote:
> If it is of interest, the PCI transfers happen in blocks of 64 BYTES.
> So, if the playback pointer is in the middle of a block of 64 BYTES, and
> you wish to send new samples to the card, without missing any of them,
> you should start sending them at the next 64 bytes boundry.
AFAIK, emupcm (at least the part I try to fix) operates in DMA busmaster
mode, so "sending" samples is out of its jurisdiction. It just sets up
looping over the DMA buffer and lets the card do the rest.
FX8010 & ASIO is a different story, but I really don't know much in this
matter.
Regards,
--
Jindrich Makovicka
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
next prev parent reply other threads:[~2005-03-05 11:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-04 8:33 [PATCH] remove emu10k1 pops/clicks at the beginning and end of playback (fwd) Jaroslav Kysela
2005-03-04 18:17 ` Lee Revell
2005-03-05 8:29 ` Jindrich Makovicka
2005-03-05 11:05 ` James Courtier-Dutton
2005-03-05 11:46 ` Jindrich Makovicka [this message]
2005-03-05 14:37 ` James Courtier-Dutton
2005-03-05 14:46 ` Jindrich Makovicka
2005-03-05 19:08 ` Jindrich Makovicka
2005-03-05 20:25 ` Lee Revell
2005-03-05 21:17 ` Jindrich Makovicka
2005-03-08 16:11 ` Takashi Iwai
2005-03-05 18:39 ` Lee Revell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='d0c5th$a56$1@sea.gmane.org' \
--to=makovick@kmlinux.fjfi.cvut.cz \
--cc=alsa-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.