[mythtv-commits] Ticket #6391: New deinterlacer for perfect image quality when using an interlaced display mode that matches the source

MythTV mythtv at cvs.mythtv.org
Wed Apr 15 13:57:46 UTC 2009


#6391: New deinterlacer for perfect image quality when using an interlaced display
mode that matches the source
-------------------------------------+--------------------------------------
 Reporter:  mythtv at glidos.net        |        Owner:  ijr    
     Type:  enhancement              |       Status:  closed 
 Priority:  minor                    |    Milestone:  unknown
Component:  MythTV - Video Playback  |      Version:  unknown
 Severity:  medium                   |   Resolution:  fixed  
  Mlocked:  0                        |  
-------------------------------------+--------------------------------------

Comment(by Tom Dexter <digitalaudiorock at gmail.com>):

 As per Paul's suggestion I've tested the change to force the 'parity'
 parameter of the filter_func call within FieldorderDeint to one for non-
 interlaced frames, thus leaving them unaltered.  It appears to be working
 great.  I'm uploading two new versions of the 0.21-fixes back ported patch
 (one for vdpau and opengl patch users and one for vanilla 0.21-fixes) with
 this change.

 Note that this change in trunk would be:


 {{{
     filter_func(
         filter, frame->buf, frame->offsets, frame->pitches,
         frame->width, frame->height, field | !frame->interlaced_frame,
 frame->top_field_first,
         dirty);
 }}}

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/6391#comment:10>
MythTV <http://www.mythtv.org/>
MythTV


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