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@ -234,6 +234,7 @@ int sws_scale(struct SwsContext *c, const uint8_t *const srcSlice[], |
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* - sws_receive_slice(0, dst->height) |
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* - sws_frame_end() |
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* |
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* @param c The scaling context |
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* @param dst The destination frame. See documentation for sws_frame_start() for |
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* more details. |
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* @param src The source frame. |
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@ -249,6 +250,7 @@ int sws_scale_frame(struct SwsContext *c, AVFrame *dst, const AVFrame *src); |
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* This function will retain references to src and dst, so they must both use |
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* refcounted buffers (if allocated by the caller, in case of dst). |
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* |
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* @param c The scaling context |
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* @param dst The destination frame. |
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* |
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* The data buffers may either be already allocated by the caller or |
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@ -273,6 +275,8 @@ int sws_frame_start(struct SwsContext *c, AVFrame *dst, const AVFrame *src); |
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* submitted with sws_frame_start(). Must be called after all sws_send_slice() |
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* and sws_receive_slice() calls are done, before any new sws_frame_start() |
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* calls. |
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* |
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* @param c The scaling context |
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*/ |
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void sws_frame_end(struct SwsContext *c); |
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@ -282,6 +286,7 @@ void sws_frame_end(struct SwsContext *c); |
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* any order, but may not overlap. For vertically subsampled pixel formats, the |
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* slices must be aligned according to subsampling. |
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* |
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* @param c The scaling context |
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* @param slice_start first row of the slice |
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* @param slice_height number of rows in the slice |
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* |
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@ -294,6 +299,7 @@ int sws_send_slice(struct SwsContext *c, unsigned int slice_start, |
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* Request a horizontal slice of the output data to be written into the frame |
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* previously provided to sws_frame_start(). |
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* |
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* @param c The scaling context |
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* @param slice_start first row of the slice; must be a multiple of |
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* sws_receive_slice_alignment() |
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* @param slice_height number of rows in the slice; must be a multiple of |
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@ -310,6 +316,9 @@ int sws_receive_slice(struct SwsContext *c, unsigned int slice_start, |
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unsigned int slice_height); |
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/**
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* Get the alignment required for slices |
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* |
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* @param c The scaling context |
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* @return alignment required for output slices requested with sws_receive_slice(). |
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* Slice offsets and sizes passed to sws_receive_slice() must be |
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* multiples of the value returned from this function. |
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@ -317,6 +326,7 @@ int sws_receive_slice(struct SwsContext *c, unsigned int slice_start, |
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unsigned int sws_receive_slice_alignment(const struct SwsContext *c); |
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/**
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* @param c the scaling context |
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* @param dstRange flag indicating the while-black range of the output (1=jpeg / 0=mpeg) |
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* @param srcRange flag indicating the while-black range of the input (1=jpeg / 0=mpeg) |
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* @param table the yuv2rgb coefficients describing the output yuv space, normally ff_yuv2rgb_coeffs[x] |
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