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82 lines
3.9 KiB
82 lines
3.9 KiB
/** |
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* VP8 compatible video decoder |
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* |
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* Copyright (C) 2010 David Conrad |
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* Copyright (C) 2010 Ronald S. Bultje |
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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_VP8DSP_H |
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#define AVCODEC_VP8DSP_H |
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#include "dsputil.h" |
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typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, int dstStride, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); |
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typedef struct VP8DSPContext { |
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void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]); |
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void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride); |
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void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], int stride); |
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void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16], int stride); |
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void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16], int stride); |
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// loop filter applied to edges between macroblocks |
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void (*vp8_v_loop_filter16y)(uint8_t *dst, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_h_loop_filter16y)(uint8_t *dst, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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// loop filter applied to inner macroblock edges |
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void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride, |
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int flim_E, int flim_I, int hev_thresh); |
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void (*vp8_v_loop_filter_simple)(uint8_t *dst, int stride, int flim); |
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void (*vp8_h_loop_filter_simple)(uint8_t *dst, int stride, int flim); |
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/** |
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* first dimension: width>>3, height is assumed equal to width |
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* second dimension: 0 if no vertical interpolation is needed; |
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* 1 4-tap vertical interpolation filter (my & 1) |
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* 2 6-tap vertical interpolation filter (!(my & 1)) |
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* third dimension: same as second dimention, for horizontal interpolation |
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* so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) |
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*/ |
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vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; |
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vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; |
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} VP8DSPContext; |
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void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); |
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void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); |
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void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); |
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void ff_vp8dsp_init(VP8DSPContext *c); |
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void ff_vp8dsp_init_x86(VP8DSPContext *c); |
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void ff_vp8dsp_init_altivec(VP8DSPContext *c); |
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#endif /* AVCODEC_VP8DSP_H */
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