- From: Glenn Adams <glenn@skynav.com>
- Date: Thu, 24 Jan 2013 09:14:17 -0700
- To: Jim Barnett <Jim.Barnett@genesyslab.com>
- Cc: "Frederick.Hirsch@nokia.com" <Frederick.Hirsch@nokia.com>, "public-device-apis@w3.org" <public-device-apis@w3.org>, "public-webrtc@w3.org" <public-webrtc@w3.org>, W3C Web and TV <public-web-and-tv@w3.org>, Ed Shrum <ed.shrum@cox.com>
- Message-ID: <CACQ=j+cR1Za97N57rfrP0eCFrp8NG5syk3JYktJUBbmWUbCLhw@mail.gmail.com>
Thanks for your response. My primary concern for my first comment is that this specification should be able to support DVR/PVR functions. Although it doesn't seem specifically designed for this purpose, it appears to provide significant support in that direction. I would also note that the Web & TV IG has initiated a Recording and Downloading Media task force [1] which I expect will produce a requirements document. IMO, it would be detrimental if DAP produces a Media recording API that does not satisfy the requirements coming from this activity. [1] http://lists.w3.org/Archives/Public/public-web-and-tv/2012Nov/0033.html Regards, Glenn On Thu, Jan 24, 2013 at 8:23 AM, Jim Barnett <Jim.Barnett@genesyslab.com>wrote: > Glenn,**** > > I’m not sure that I understand your first point. The API is defined to > work with any object of type MediaStream, whether local or remote. If > there is some other object that needs to be recorded, I would think that > the question would be how to convert it into a MediaStream. The > getUserMedia spec would be the right place to do that, or possibly a > separate spec, but the process should be transparent to the MediaRecorder > class. (There’s a separate discussion going on about whether we want to > taint certain MediaStreams to prevent recording for security reasons, but > that’s orthogonal to this issue, I think.)**** > > ** ** > > On the issue of where takePhoto() goes, it was originally a method on > VideoTrack. We moved it to the recorder class because it seemed to have a > lot in common with recording. I don’t particularly care where it goes, > though I wonder if a new interface is justified, given how limited the > functionality is. I’ll go with whatever the majority decides.**** > > ** ** > > **- **Jim**** > > ** ** > > *From:* Glenn Adams [mailto:glenn@skynav.com] > *Sent:* Thursday, January 24, 2013 9:21 AM > *To:* Frederick.Hirsch@nokia.com > *Cc:* public-device-apis@w3.org; public-webrtc@w3.org > > *Subject:* Re: Call for Consensus to publish a First Public Working Draft > of "MediaStream Recording API", deadline 31 Jan 2013 [resend adding DAP]** > ** > > ** ** > > >From my brief read of this draft, I have the following comments:**** > > - Document should describe how it the mechanisms defined can be used > to record media streams deriving from non-local devices, specifically, how > to record media streams obtained from external servers, e.g., streams > fetched and presented by HTMLMediaElement.**** > - The members takePhoto() and onphoto should be moved to a separate > interface to make the MediaRecorder interface more generic, and not tied to > specific types of media sources.**** > > Regards,**** > > Glenn**** > > ** ** > > On Thu, Jan 24, 2013 at 6:31 AM, <Frederick.Hirsch@nokia.com> wrote:**** > > DAP members: > > The Media Capture Task Force [a] is a joint Task Force of the DAP and > WebRTC working groups. This is a CfC to publish a FPWD of the "MediaStream > Recording API". > > Below I include the mail sent to the WebRTC mailing list, consider this as > a CfC for the Device APIs working group as well, and please respond on the > DAP public mail list as well as the public WebRTC mailing list with either > +1 or concerns. (I've cross-posted this mail deliberately as CfC responses > should be seen by all and I expect relatively low traffic). > > regards, Frederick > > Frederick Hirsch, Nokia > Chair, W3C DAP Working Group > > [a] http://www.w3.org/2009/dap/#mediacapture > > CfC sent to WebRTC list: > [[ > > During the Media Capture Task Force call on 6 December 2012 [1] we agreed > to start a CfC for a First Public Working Draft (FPWD) of the "MediaStream > Recording API" draft once Jim completed some additional > edits, which he has [2]. > > This is a Call for Consensus (CfC) for the WebRTC WG members to publish > of FPWD of this document. > > A FPWD is a draft and can thus continue to be edited and evolve, but > gives visibility of the work to a broader community, and is thus useful. > It also starts the call-for-exclusion process under the W3C Patent Policy. > > As with all of our CfCs, positive response is preferred and encouraged and > silence will be considered as agreeing with the proposal. The deadline for > comments is Thursday January 31st and all comments should > be sent to public-webrtc at w3.org. We can then publish the week after, > assuming that works for the W3C team and editors. > > Stefan, for the chairs > > [1] Minutes: > > http://lists.w3.org/Archives/Public/public-media-capture/2013Jan/0057.html > > > [2] Draft: > > > http://lists.w3.org/Archives/Public/public-media-capture/2012Dec/att-0159/RecordingProposal.html > > ]] > > > > > > > **** > > ** ** >
Received on Thursday, 24 January 2013 16:15:10 UTC