Version 2 patch attached. Also:
- Change JobQueue status to sort by inserttime rather than
starttime. Jobs may be manually queued in an order other
than when the recordings were broadcast, and I think the
"Backend Status" page would make more sense to show the job
queue sorted by what has just happened and what is about to
happen.
Short-comings of the current system that have not been addressed by
this patch (e.g., should be no change in behavior or functionality):
- No way to only transcode a show if it was recorded by a
certain device. For example, one might want to only
transcode HDTV recordings, but not analog recordings.
I only have HD-3000 cards, so I can't really work on this aspect of
what I can see as being desired related functionality.
On Tue, Apr 19, 2005 at 10:22:23PM -0400, Robert Tsai wrote:
> Today, HDTV recordings are limited to either no transcoding, or
> transcoding to the parameters in the MPEG2 recording profile. They
> aren't encoded at capture time, so there is no subsequent option to
> save a configurable amount of disk space.
>
> Attached is a patch to allow the configuration of a fixed number of
> transcoding profiles ("High Quality", "Medium Quality", and "Low
> Quality").
>
> Summary:
>
> - Upgrade DB schema:
>
> - The option to automatically transcode a recording
> has been moved out of the recording profile and into
> the record (so that the currently-unused
> "autotranscode" column is now useful).
>
> When the database is upgraded, recording schedules
> using recording profiles with auto-transcode enabled
> will have auto-transcode carried over.
>
> - Each record, in addition to a now-used
> "autotranscode" option, also gets a new "transcoder"
> option, which defaults to "Autodetect".
>
> - Delete the now-unused "autotranscode" option from
> the codecparams table.
for non-"Live TV" profiles.
> - Provide some fixed transcoders: "High Quality",
> "Medium Quality", and "Low Quality". Unfortunately,
> no default values are actually provided, the user
> must configure their desired values for these
> transcoders. Also unfortunately, there is no UI to
> add or remove transcoders (just like there is no UI
> to add or remove recording profiles). However,
> transcoders may be added to the database and things
> should work, if people need more than these three
> transcoders.
>
> - The default transcoder for all recordings is "0"
> (autodetect) to preserve current behavior.
>
> - Add some logging to indicate when transcoding is
> starting/stopping (both to the regular log as well as the
> database logs).
>
> - MythFrontend UI changes:
>
> - Remove "automatically transcode" option from
> recording profiles; auto-transcode is now a
> per-recording option (parallel with per-recording
> recording profiles).
>
> - Add auto-transcode and transcoder options to each
> recording schedule, configurable at the time the
> recording is scheduled. Default values are:
>
> - No auto-transcode.
> - "Autodetect" transcoder.
>
> The "Autodetect" transcoder will choose between the
> "From MPEG4/RTjpeg" and "From MPEG2" transcoders,
> like it does today. Eventually the choice of
> transcoder can be made more configuration (e.g.,
> select transcoder based on 1080i/720p/480i
> resolution of recording). For now, just preserve
> behavior.
>
> - Add global settings UI to configure default values
> for auto-transcode and transcoder, near default
> values for commflagging and userjobs.
>
> - MythTranscode changes:
>
> - Fix a typo in the "help" text. :)
--Rob
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