[Bug 796106] video: Support alternate interlaced video

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796106

Zeeshan Ali <zeeshanak at gnome.org> changed:

           What    |Removed                     |Added
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 Attachment #373404|reviewed                    |none
             status|                            |
 Attachment #373404|0                           |1
        is obsolete|                            |

--- Comment #42 from Zeeshan Ali <zeeshanak at gnome.org> ---
Created attachment 373478
  --> https://bugzilla.gnome.org/attachment.cgi?id=373478&action=edit
video: Add GST_VIDEO_INFO_FIELD_HEIGHT() macro

Add a new macro that gives you the height of a field. It returns the
height of the full frame unless split-field (alternate) interlacing is
in use. Also GST_VIDEO_INFO_COMP_HEIGHT macro now uses this new macro to
get the height for its calculation.

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