yading@10: /*
yading@10:  * Copyright (C) 2010 David Conrad
yading@10:  * Copyright (C) 2010 Ronald S. Bultje
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * VP8 compatible video decoder
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_VP8DSP_H
yading@10: #define AVCODEC_VP8DSP_H
yading@10: 
yading@10: #include <stddef.h>
yading@10: #include <stdint.h>
yading@10: 
yading@10: typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, ptrdiff_t dstStride,
yading@10:                             uint8_t *src/*align 1*/, ptrdiff_t srcStride,
yading@10:                             int h, int x, int y);
yading@10: 
yading@10: typedef struct VP8DSPContext {
yading@10:     void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]);
yading@10:     void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]);
yading@10:     void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
yading@10:     void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
yading@10:     void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16],
yading@10:                               ptrdiff_t stride);
yading@10:     void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16],
yading@10:                                ptrdiff_t stride);
yading@10: 
yading@10:     // loop filter applied to edges between macroblocks
yading@10:     void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
yading@10:                                  int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
yading@10:                                  int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
yading@10:                                  int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
yading@10:                                  int flim_E, int flim_I, int hev_thresh);
yading@10: 
yading@10:     // loop filter applied to inner macroblock edges
yading@10:     void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
yading@10:                                        int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
yading@10:                                        int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
yading@10:                                        ptrdiff_t stride,
yading@10:                                        int flim_E, int flim_I, int hev_thresh);
yading@10:     void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
yading@10:                                        ptrdiff_t stride,
yading@10:                                        int flim_E, int flim_I, int hev_thresh);
yading@10: 
yading@10:     void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
yading@10:     void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
yading@10: 
yading@10:     /**
yading@10:      * first dimension: width>>3, height is assumed equal to width
yading@10:      * second dimension: 0 if no vertical interpolation is needed;
yading@10:      *                   1 4-tap vertical interpolation filter (my & 1)
yading@10:      *                   2 6-tap vertical interpolation filter (!(my & 1))
yading@10:      * third dimension: same as second dimension, for horizontal interpolation
yading@10:      * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
yading@10:      */
yading@10:     vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
yading@10:     vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
yading@10: } VP8DSPContext;
yading@10: 
yading@10: void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
yading@10:                            int h, int x, int y);
yading@10: void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
yading@10:                           int h, int x, int y);
yading@10: void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
yading@10:                           int h, int x, int y);
yading@10: 
yading@10: void ff_vp8dsp_init(VP8DSPContext *c);
yading@10: void ff_vp8dsp_init_x86(VP8DSPContext *c);
yading@10: void ff_vp8dsp_init_altivec(VP8DSPContext *c);
yading@10: void ff_vp8dsp_init_arm(VP8DSPContext *c);
yading@10: 
yading@10: #endif /* AVCODEC_VP8DSP_H */