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- /*
- * Copyright (C) 2010 David Conrad
- * Copyright (C) 2010 Ronald S. Bultje
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; 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 "dsputil.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)(DCTELEM block[4][4][16], DCTELEM dc[16]);
- void (*vp8_luma_dc_wht_dc)(DCTELEM block[4][4][16], DCTELEM dc[16]);
- void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
- void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
- void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16],
- ptrdiff_t stride);
- void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM 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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