[mythtv] [mythtv-commits] Ticket #2198: Transcode treats some 1080i streams as 1088 and puts a grey line at the bottom after resizing

Steven Adeff adeffs.mythtv at gmail.com
Sat Oct 7 16:10:53 UTC 2006


On 10/6/06, MythTV <mythtv at cvs.mythtv.org> wrote:
> #2198: Transcode treats some 1080i streams as 1088 and puts a grey line at the
> bottom after resizing
> -----------------------------+----------------------------------------------
>  Reporter:  wagspat at iit.edu  |        Owner:  cpinkham
>      Type:  defect           |       Status:  closed
>  Priority:  minor            |    Milestone:  0.21
> Component:  mythtv           |      Version:  head
>  Severity:  low              |   Resolution:  fixed
> -----------------------------+----------------------------------------------
> Changes (by cpinkham):
>
>   * status:  new => closed
>   * resolution:  => fixed
>
> Comment:
>
>  (In [11462]) When resizing video in the lossy side of mythtranscode, trim
>  off the bottom
>  8 pixels when we encounter a video file that is 1088 pixels high.  These
>  are
>  normally actually only 1080 pixels but need to have 16-pixel high block so
>  there are 8 blank rows of pixels at the bottom of every frame.  This patch
>  strips those off and also calculates the new height/width based on 1080
>  instead of 1088 if the user specified autoheight or autowidth in the
>  transcoding profile settings.
>
>  Closes #2198 by applying slightly modified patch by wagspat.

are they actually being stripped or just "ignored"? actually removing
them will decrease the quality of the encode because of the 16pixel
blocks, its better to set them to "black" and then set the flag for
the player to ignore them on playback.

-- 
Steve
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