Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * VC-1 and WMV3 decoder - DSP functions
  3.  * Copyright (c) 2006 Konstantin Shishkov
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. /**
  23.  * @file
  24.  * VC-1 and WMV3 decoder
  25.  *
  26.  */
  27.  
  28. #ifndef AVCODEC_VC1DSP_H
  29. #define AVCODEC_VC1DSP_H
  30.  
  31. #include "dsputil.h"
  32. #include "hpeldsp.h"
  33. #include "h264chroma.h"
  34.  
  35. typedef void (*vc1op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, ptrdiff_t line_size, int h);
  36.  
  37. typedef struct VC1DSPContext {
  38.     /* vc1 functions */
  39.     void (*vc1_inv_trans_8x8)(int16_t *b);
  40.     void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block);
  41.     void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block);
  42.     void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block);
  43.     void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block);
  44.     void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block);
  45.     void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block);
  46.     void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block);
  47.     void (*vc1_v_overlap)(uint8_t *src, int stride);
  48.     void (*vc1_h_overlap)(uint8_t *src, int stride);
  49.     void (*vc1_v_s_overlap)(int16_t *top,  int16_t *bottom);
  50.     void (*vc1_h_s_overlap)(int16_t *left, int16_t *right);
  51.     void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
  52.     void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
  53.     void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
  54.     void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
  55.     void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
  56.     void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
  57.  
  58.     /* put 8x8 block with bicubic interpolation and quarterpel precision
  59.      * last argument is actually round value instead of height
  60.      */
  61.     vc1op_pixels_func put_vc1_mspel_pixels_tab[16];
  62.     vc1op_pixels_func avg_vc1_mspel_pixels_tab[16];
  63.  
  64.     /* This is really one func used in VC-1 decoding */
  65.     h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
  66.     h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
  67.  
  68.     /* Windows Media Image functions */
  69.     void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
  70.     void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
  71.     void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
  72.     void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
  73.                                                    const uint8_t *src2a, int alpha, int width);
  74.     void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
  75.                                                    const uint8_t *src2a, const uint8_t *src2b, int offset2,
  76.                                      int alpha, int width);
  77. } VC1DSPContext;
  78.  
  79. void ff_vc1dsp_init(VC1DSPContext* c);
  80. void ff_vc1dsp_init_ppc(VC1DSPContext *c);
  81. void ff_vc1dsp_init_x86(VC1DSPContext* dsp);
  82.  
  83. #endif /* AVCODEC_VC1DSP_H */
  84.