Pioneer action item
keiji_katata at post.pioneer.co.jp
keiji_katata at post.pioneer.co.jp
Tue Oct 25 22:10:48 PDT 2005
* From the T10 Reflector (t10 at t10.org), posted by:
* keiji_katata at post.pioneer.co.jp
Ai san, thank you very much.
I should have read sentences on page 12 of "Command proposal for Hybrid
disc-3.pdf" more carefully. I was confused that Henry san and members
talked about Immed=1 case in Oct. meeting. So I thought that there might be
difference between Immed=0 and Immed=1.
Ordinary START STOP UNIT command with Immed=0 acts like Immed=1. But there
is a difference.
START STOP UNIT command with Immed=1 will be terminated with good condition
immediately. Then device is 2-4-1 condition always.
START STOP UNIT command with Immed=0 will not be terminated with good
condition immediately. If device becomes ready condition, the command is
terminated. Then device is ready condition. If 5 - 7 sec passed, the
command is terminated to avoid time-out reset from host. Then device is
2-4-1 condition (most case).
Device keeps busy state within 5 - 7 sec. This is the difference. This
helped old CD playback software. CD player closed tray, then checked TOC.
When Read TOC command was terminated with 2-4-1, CD player did not start CD
audio play. (User must press play button again.) So if closing tray and
start up of CD audio disc was finished within 5 - 7 sec, it succeeded.
In the meeting, I thought that Ai san considered such current
implementation. I did not think Ai san defined strictly always Immed=1 when
Layer=1. This is my misunderstanding.
All software venders, could you confirm this point. Regardless of Immed bit
setting, device will report 2-4-1 at Format layer change.
Takaharu Ai <ai.takaharu at jp.panasonic.com>@avc-pioneer.com on 2005/10/26
mtfuji5 at avc-pioneer.com$B$KJV?.$7$F$/$@$5$$(J
$BAw?.<T(J: owner-mtfuji5 at avc-pioneer.com
$B08 at h(J: mtfuji5 at avc-pioneer.com
cc: T10 Reflector <T10 at t10.org>
$B7oL>(J: Re: Pioneer action item
Hello Katata-san, Henry-san and Mt.Fuji members,
Thank you for your prototype of the state diagram. It is very helpful
for us to understand the behavior of the Hybrid disc function.
But some part of it should be modified as I commented in the other
Enclosed please find the state diagram which is conform to the
specification we adopted, I believe.
Main differences are
- There are no path of Format-layer change request with IMMED=0.
- Once the change request is recieved and validated, the online
Format-layer is changed immediately
- The setting of Profiles, Features and events are described.
Any comments are appreciated.
Panasonic AVC Networks Company
---------------- Start of the original message ----------------
>From: Henry Gabryjelski <Henry.Gabryjelski at microsoft.com>
>To: mtfuji5 at avc-pioneer.com
>Cc: T10 Reflector <T10 at t10.org>
>Date: Tue, 25 Oct 2005 09:11:10 -0700
>Subject: RE: Pioneer action item
> I think the error path shown for IMMED=0 is correct. That is, once the
> parameters of the command have been successfully validated, the
> operation occurs even if the medium cannot be read (i.e. not ready state
> with format layer B).
> -----Original Message-----
> From: owner-mtfuji5 at avc-pioneer.com
> [mailto:owner-mtfuji5 at avc-pioneer.com] On Behalf Of
> keiji_katata at post.pioneer.co.jp
> Sent: Monday, October 24, 2005 7:03 PM
> To: mtfuji5 at avc-pioneer.com
> Cc: T10 Reflector
> Subject: Pioneer action item
> Hello all,
> I had an external comment and 3 internal comments.
> An external comment is that my chart is not state diagram. No it is not
> total state diagram. It is a chart to confirm the operation and response
> Start Stop Unit command with Layer=1. As I wrote in Agenda, Ai san of
> Panasonic will make Hybrid disc description for Fuji document. My
> is a just confirmation of Pioneer understanding.
> According to 3 internal comments, I add the second page. Could you check
> the 3 questions in the second page and send me your comments.
> Best regards,
> Keiji Katata
> PIONEER CORP.
> (See attached file: operation and response.zip)
----------------- End of the original message -----------------
* For T10 Reflector information, send a message with
* 'info t10' (no quotes) in the message body to majordomo at t10.org
More information about the T10