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https://github.com/nyanmisaka/ffmpeg-rockchip.git
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a0478341f3
* commit '15b4f494fc6bddb8178fdb5aed18b420efc75e22': mss*: Change type of array stride parameters to ptrdiff_t Merged-by: James Almer <jamrial@gmail.com>
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* Common stuff for some Microsoft Screen codecs
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* Copyright (C) 2012 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_MSS34DSP_H
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#define AVCODEC_MSS34DSP_H
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#include <stddef.h>
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#include <stdint.h>
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/**
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* Generate quantisation matrix for given quality.
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*
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* @param qmat destination matrix
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* @param quality quality setting (1-100)
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* @param luma generate quantisation matrix for luma or chroma
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*/
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void ff_mss34_gen_quant_mat(uint16_t *qmat, int quality, int luma);
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/**
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* Transform and output DCT block.
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*
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* @param dst output plane
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* @param stride output plane stride
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* @param block block to transform and output
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*/
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void ff_mss34_dct_put(uint8_t *dst, ptrdiff_t stride, int *block);
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#endif /* AVCODEC_MSS34DSP_H */
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