FFmpeg: libavcodec/vp8dsp.h Source File

00001 /*
00002  * Copyright (C) 2010 David Conrad
00003  * Copyright (C) 2010 Ronald S. Bultje
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00027 #ifndef AVCODEC_VP8DSP_H
00028 #define AVCODEC_VP8DSP_H
00029 
00030 #include "dsputil.h"
00031 
00032 typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, ptrdiff_t dstStride,
00033                             uint8_t *src/*align 1*/, ptrdiff_t srcStride,
00034                             int h, int x, int y);
00035 
00036 typedef struct VP8DSPContext {
00037     void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]);
00038     void (*vp8_luma_dc_wht_dc)(DCTELEM block[4][4][16], DCTELEM dc[16]);
00039     void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
00040     void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], ptrdiff_t stride);
00041     void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16],
00042                               ptrdiff_t stride);
00043     void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16],
00044                                ptrdiff_t stride);
00045 
00046     // loop filter applied to edges between macroblocks
00047     void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
00048                                  int flim_E, int flim_I, int hev_thresh);
00049     void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
00050                                  int flim_E, int flim_I, int hev_thresh);
00051     void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
00052                                  int flim_E, int flim_I, int hev_thresh);
00053     void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
00054                                  int flim_E, int flim_I, int hev_thresh);
00055 
00056     // loop filter applied to inner macroblock edges
00057     void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
00058                                        int flim_E, int flim_I, int hev_thresh);
00059     void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
00060                                        int flim_E, int flim_I, int hev_thresh);
00061     void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
00062                                        ptrdiff_t stride,
00063                                        int flim_E, int flim_I, int hev_thresh);
00064     void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
00065                                        ptrdiff_t stride,
00066                                        int flim_E, int flim_I, int hev_thresh);
00067 
00068     void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
00069     void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
00070 
00079     vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
00080     vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
00081 } VP8DSPContext;
00082 
00083 void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
00084                            int h, int x, int y);
00085 void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
00086                           int h, int x, int y);
00087 void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
00088                           int h, int x, int y);
00089 
00090 void ff_vp8dsp_init(VP8DSPContext *c);
00091 void ff_vp8dsp_init_x86(VP8DSPContext *c);
00092 void ff_vp8dsp_init_altivec(VP8DSPContext *c);
00093 void ff_vp8dsp_init_arm(VP8DSPContext *c);
00094 
00095 #endif /* AVCODEC_VP8DSP_H */