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/*
* Copyright (C) 2010 David Conrad
* Copyright (C) 2010 Ronald S. Bultje
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* VP8 compatible video decoder
*/
#ifndef AVCODEC_VP8DSP_H
#define AVCODEC_VP8DSP_H
#include <stddef.h>
#include <stdint.h>
typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, ptrdiff_t dstStride,
uint8_t *src/*align 1*/, ptrdiff_t srcStride,
int h, int x, int y);
typedef struct VP8DSPContext {
void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]);
void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]);
void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16],
ptrdiff_t stride);
void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16],
ptrdiff_t stride);
// loop filter applied to edges between macroblocks
void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
// loop filter applied to inner macroblock edges
void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
ptrdiff_t stride,
int flim_E, int flim_I, int hev_thresh);
void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
/**
* first dimension: width>>3, height is assumed equal to width
* second dimension: 0 if no vertical interpolation is needed;
* 1 4-tap vertical interpolation filter (my & 1)
* 2 6-tap vertical interpolation filter (!(my & 1))
* third dimension: same as second dimension, for horizontal interpolation
* so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
*/
vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
} VP8DSPContext;
void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
int h, int x, int y);
void ff_vp8dsp_init(VP8DSPContext *c);
void ff_vp8dsp_init_x86(VP8DSPContext *c);
void ff_vp8dsp_init_altivec(VP8DSPContext *c);
void ff_vp8dsp_init_arm(VP8DSPContext *c);
#endif /* AVCODEC_VP8DSP_H */
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