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Document sws_scale().

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Originally committed as revision 28654 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Stefano Sabatini 2009-02-18 23:11:47 +00:00
parent 9ac9f89639
commit 583799c459
1 changed files with 23 additions and 0 deletions
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23
libswscale/swscale.h
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@ -129,6 +129,29 @@ void sws_freeContext(struct SwsContext *swsContext);
*/
struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
/**
* Scales the image slice in \p src and puts the resulting scaled
* slice in the image in \p dst. A slice is a sequence of consecutive
* rows in an image.
*
* @param context the scaling context previously created with
* sws_getContext()
* @param src the array containing the pointers to the planes of
* the source slice
* @param srcStride the array containing the strides for each plane of
* the source image
* @param srcSliceY the position in the source image of the slice to
* process, that is the number (counted starting from
* zero) in the image of the first row of the slice
* @param srcSliceH the height of the source slice, that is the number
* of rows in the slice
* @param dst the array containing the pointers to the planes of
* the destination image
* @param dstStride the array containing the strides for each plane of
* the destination image
* @return the height of the output slice
*/
int sws_scale(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]);
#if LIBSWSCALE_VERSION_MAJOR < 1