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yadif [2019/06/26 02:02]
beandog
yadif [2019/06/26 20:04] (current)
beandog
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 ====== yadif ====== ====== yadif ======
 +
 +  * [[ffmpeg]]
 +  * [[frameinfo]]
 +  * [[detelecine]]
 +  * ''​man ffmpeg-filters''​
 +  * [[https://​ffmpeg.org/​ffmpeg-filters.html#​yadif-1]]
 +  * [[https://​wiki.videolan.org/​Deinterlacing]]
 +
 +  * mode
 +    * 0 / send_frame - Output one frame for each frame **(default)**
 +    * 1 / send_field - Output one frame for each field (my preferred method)
 +    * 2 / send_frame_nospatial - Like send_frame, but it skips the spatial interlacing check
 +    * 3 / send_field_nospatial - Like send_field, but it skips the spatial interlacing check
 +  * parity
 +    * 0 / tff - Assume the top field is first
 +    * 1 / bff - Assume the bottom field is first
 +    * -1 / auto - Enable automatic detection of field parity **(default)**
 +    * If the interlacing is unknown or the decoder does not export this information,​ top field first will be assumed
 +  * deint
 +    * 0 / all - Deinterlace all frames **(default)**
 +    * 1 / interlaced - Only deinterlace frames marked as interlaced
  
 The best description I've seen of the filter options is here: [[https://​www.avidemux.org/​admWiki/​doku.php?​id=using:​video_filter_yadif]] The best description I've seen of the filter options is here: [[https://​www.avidemux.org/​admWiki/​doku.php?​id=using:​video_filter_yadif]]
  
-I use ''​yadif''​ on DVDs that have interlacing,​ and detelecine filters are not cleaning it up.+I use ''​yadif''​ on DVDs that have interlacing,​ and detelecine filters are not cleaning it up -- among my collection, it's pretty rare. Only two cartoon series, and three live action.
  
 Command line for its default options: Command line for its default options:
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 </​code>​ </​code>​
  
-Using BeyBlade as a source:+Using BeyBlade as a source
 + 
 +Default for ''​mode''​ is ''​send_frame'',​ which will output one frame for each frame; the output frame rate is constant at 30000/1001 (29.97, NTSC). 
 + 
 +If I set it to create a frame for each field (''​mode=send_field''​),​ it will come out at 60000/1001 constant instead (59.94).
  
 {{::​mpv-shot0001.png?​direct|}} {{::​mpv-shot0001.png?​direct|}}
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 {{::​mpv-shot0003.png?​direct|}} {{::​mpv-shot0003.png?​direct|}}
 +
 +Running defaults, or, just using ''​-vf yadif'',​ the same frames in sequence:
 +
 +{{::​mpv-shot0004.png?​direct|}}
 +
 +{{::​mpv-shot0005.png?​direct|}}
 +
 +{{::​mpv-shot0006.png?​direct|}}
 +
 +I'm also not caring about video encoding quality right here, it's just default x265 settings.
 +

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