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136 lines
6.9 KiB
C
136 lines
6.9 KiB
C
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/*
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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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* Copyright (C) 2013 - 2014 Pierre-Edouard Lepere
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*
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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_HEVCDSP_H
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#define AVCODEC_HEVCDSP_H
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#include "get_bits.h"
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#define MAX_PB_SIZE 64
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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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uint8_t band_position[3]; ///< sao_band_position
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int eo_class[3]; ///< sao_eo_class
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int16_t 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 width, int height,
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struct GetBitContext *gb, int pcm_bit_depth);
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void (*add_residual[4])(uint8_t *dst, int16_t *res, ptrdiff_t stride);
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void (*dequant)(int16_t *coeffs, int16_t log2_size);
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void (*transform_rdpcm)(int16_t *coeffs, int16_t log2_size, int mode);
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void (*transform_4x4_luma)(int16_t *coeffs);
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void (*idct[4])(int16_t *coeffs, int col_limit);
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void (*idct_dc[4])(int16_t *coeffs);
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void (*sao_band_filter[5])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
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int16_t *sao_offset_val, int sao_left_class, int width, int height);
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/* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE */
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void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
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int16_t *sao_offset_val, int sao_eo_class, int width, int height);
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void (*sao_edge_restore[2])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
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struct SAOParams *sao, int *borders, int _width, int _height, int c_idx,
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uint8_t *vert_edge, uint8_t *horiz_edge, uint8_t *diag_edge);
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void (*put_hevc_qpel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_qpel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_qpel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_qpel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int16_t *src2,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_qpel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int16_t *src2,
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int height, int denom, int wx0, int wx1,
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int ox0, int ox1, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_epel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_epel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_epel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_epel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int16_t *src2,
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int height, intptr_t mx, intptr_t my, int width);
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void (*put_hevc_epel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
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int16_t *src2,
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int height, int denom, int wx0, int ox0, int wx1,
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int ox1, intptr_t mx, intptr_t my, int width);
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void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
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int beta, int32_t *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, int32_t *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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int32_t *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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int32_t *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, int32_t *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, int32_t *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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int32_t *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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int32_t *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][4];
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extern const int8_t ff_hevc_qpel_filters[3][16];
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void ff_hevc_dsp_init_arm(HEVCDSPContext *c, const int bit_depth);
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void ff_hevc_dsp_init_ppc(HEVCDSPContext *c, const int bit_depth);
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void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
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void ff_hevc_dsp_init_mips(HEVCDSPContext *c, const int bit_depth);
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#endif /* AVCODEC_HEVCDSP_H */
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