[Bug 732415] video: Add videoconvert and videoscale API

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=732415
  GStreamer | gst-plugins-base | git

Wim Taymans <wim.taymans> changed:

           What    |Removed                     |Added
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                 CC|                            |wim.taymans at gmail.com

--- Comment #2 from Wim Taymans <wim.taymans at gmail.com> 2014-06-30 09:29:16 UTC ---
I think we should try to make a generic API like this

GstVideoConvert * gst_video_convert_new (GstVideoInfo *in, GstVideoInfo *out,
GstStructure *options);

gst_video_convert_frame (GstVideoConvert * convert, GstVideoFrame *in,
GstVideoFrame *out);

gst_video_convert_free (GstVideoConvert * convert);

We would have to implement scaling and conversion in two steps with the
existing code but we can combine them in one step later on if we want. But the
API should be enough to get all the hard bits such as interlacing, chroma,
colorspaces etc handled.

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