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Document slice ordering assumption done by sws_scale().

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Originally committed as revision 29804 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Stefano Sabatini 2009-10-30 14:13:25 +00:00
parent c5ec0d9d4f
commit a520e9f235
1 changed files with 5 additions and 1 deletions
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6
libswscale/swscale.h
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@ -135,7 +135,11 @@ struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat
/**
* Scales the image slice in srcSlice and puts the resulting scaled
* slice in the image in dst. A slice is a sequence of consecutive
* rows in an image. Slices can be bottom to top or top to bottom.
* rows in an image.
*
* Slices have to be provided in sequential order, either in
* top-bottom or bottom-top order. If slices are provided in
* non-sequential order the behavior of the function is undefined.
*
* @param context the scaling context previously created with
* sws_getContext()