2 * VC-1 and WMV3 decoder - DSP functions
3 * Copyright (c) 2006 Konstantin Shishkov
5 * This file is part of FFmpeg.
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.
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.
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
24 * VC-1 and WMV3 decoder
28 #ifndef AVCODEC_VC1DSP_H
29 #define AVCODEC_VC1DSP_H
33 typedef void (*vc1_idct_func)(uint8_t *dest, int line_size, DCTELEM *block);
35 typedef struct VC1DSPContext {
37 vc1_idct_func vc1_inv_trans_8x8_add;
38 vc1_idct_func vc1_inv_trans_8x8_put_signed[2];
39 vc1_idct_func vc1_inv_trans_8x8_put[2];
40 void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
41 void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
42 void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
43 void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
44 void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
45 void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
46 void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *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_loop_filter4)(uint8_t *src, int stride, int pq);
50 void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
51 void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
52 void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
53 void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
54 void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
56 /* put 8x8 block with bicubic interpolation and quarterpel precision
57 * last argument is actually round value instead of height
59 op_pixels_func put_vc1_mspel_pixels_tab[16];
60 op_pixels_func avg_vc1_mspel_pixels_tab[16];
62 /* This is really one func used in VC-1 decoding */
63 h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
64 h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
67 void ff_vc1dsp_init(VC1DSPContext* c);
68 void ff_vc1dsp_init_altivec(VC1DSPContext* c);
69 void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
71 #endif /* AVCODEC_VC1DSP_H */