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Remove deprecation of avcodec_get_chroma_sub_sample.
Add explanations what the difference between the 2 functions are and when either should be used. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -4580,10 +4580,21 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
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*/
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/**
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* @deprecated Use av_pix_fmt_get_chroma_sub_sample
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* Utility function to access log2_chroma_w log2_chroma_h from
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* the pixel format AVPixFmtDescriptor.
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*
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* This function asserts that pix_fmt is valid. See av_pix_fmt_get_chroma_sub_sample
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* for one that returns a failure code and continues in case of invalid
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* pix_fmts.
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*
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* @param[in] pix_fmt the pixel format
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* @param[out] h_shift store log2_chroma_h
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* @param[out] v_shift store log2_chroma_w
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*
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* @see av_pix_fmt_get_chroma_sub_sample
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*/
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void attribute_deprecated avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift);
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void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift);
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/**
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* Return a value representing the fourCC code associated to the
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@ -33,6 +33,7 @@
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#include "avcodec.h"
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#include "dsputil.h"
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#include "internal.h"
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#include "libavutil/avassert.h"
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#include "libavutil/colorspace.h"
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#include "libavutil/common.h"
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#include "libavutil/pixdesc.h"
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@ -427,6 +428,7 @@ static const PixFmtInfo pix_fmt_info[AV_PIX_FMT_NB] = {
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void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
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av_assert0(desc);
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*h_shift = desc->log2_chroma_w;
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*v_shift = desc->log2_chroma_h;
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}
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@ -210,6 +210,11 @@ enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
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* Utility function to access log2_chroma_w log2_chroma_h from
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* the pixel format AVPixFmtDescriptor.
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*
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* See avcodec_get_chroma_sub_sample() for a function that asserts a
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* valid pixel format instead of returning an error code.
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* Its recommanded that you use avcodec_get_chroma_sub_sample unless
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* you do check the return code!
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*
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* @param[in] pix_fmt the pixel format
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* @param[out] h_shift store log2_chroma_h
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* @param[out] v_shift store log2_chroma_w
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