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110 lines
5.1 KiB
C
110 lines
5.1 KiB
C
/*
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* HEVC video decoder
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*
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* Copyright (C) 2012 - 2013 Guillaume Martres
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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_HEVCDSP_H
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#define AVCODEC_HEVCDSP_H
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#include "get_bits.h"
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typedef struct SAOParams {
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int offset_abs[3][4]; ///< sao_offset_abs
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int offset_sign[3][4]; ///< sao_offset_sign
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int band_position[3]; ///< sao_band_position
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int eo_class[3]; ///< sao_eo_class
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int offset_val[3][5]; ///<SaoOffsetVal
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uint8_t type_idx[3]; ///< sao_type_idx
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} SAOParams;
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typedef struct HEVCDSPContext {
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void (*put_pcm)(uint8_t *dst, ptrdiff_t stride, int size,
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GetBitContext *gb, int pcm_bit_depth);
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void (*transquant_bypass[4])(uint8_t *dst, int16_t *coeffs,
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ptrdiff_t stride);
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void (*transform_skip)(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
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void (*transform_4x4_luma_add)(uint8_t *dst, int16_t *coeffs,
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ptrdiff_t stride);
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void (*transform_add[4])(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
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void (*sao_band_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
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struct SAOParams *sao, int *borders,
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int width, int height, int c_idx);
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void (*sao_edge_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
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struct SAOParams *sao, int *borders, int width,
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int height, int c_idx, uint8_t vert_edge,
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uint8_t horiz_edge, uint8_t diag_edge);
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void (*put_hevc_qpel[4][4])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
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ptrdiff_t srcstride, int width, int height,
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int16_t *mcbuffer);
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void (*put_hevc_epel[2][2])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
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ptrdiff_t srcstride, int width, int height,
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int mx, int my, int16_t *mcbuffer);
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void (*put_unweighted_pred)(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
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ptrdiff_t srcstride, int width, int height);
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void (*put_weighted_pred_avg)(uint8_t *dst, ptrdiff_t dststride,
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int16_t *src1, int16_t *src2,
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ptrdiff_t srcstride, int width, int height);
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void (*weighted_pred)(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
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uint8_t *dst, ptrdiff_t dststride, int16_t *src,
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ptrdiff_t srcstride, int width, int height);
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void (*weighted_pred_avg)(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
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int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
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ptrdiff_t dststride, int16_t *src1, int16_t *src2,
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ptrdiff_t srcstride, int width, int height);
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void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
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int *beta, int *tc,
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uint8_t *no_p, uint8_t *no_q);
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void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
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int *beta, int *tc,
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uint8_t *no_p, uint8_t *no_q);
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void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
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int *tc, uint8_t *no_p, uint8_t *no_q);
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void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
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int *tc, uint8_t *no_p, uint8_t *no_q);
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void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
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int *beta, int *tc,
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uint8_t *no_p, uint8_t *no_q);
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void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
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int *beta, int *tc,
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uint8_t *no_p, uint8_t *no_q);
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void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
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int *tc, uint8_t *no_p,
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uint8_t *no_q);
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void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
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int *tc, uint8_t *no_p,
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uint8_t *no_q);
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} HEVCDSPContext;
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void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
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extern const int8_t ff_hevc_epel_filters[7][16];
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#endif /* AVCODEC_HEVCDSP_H */
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