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vc1dsp.h
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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 #ifndef AVCODEC_VC1DSP_H
28 #define AVCODEC_VC1DSP_H
29 
30 #include "hpeldsp.h"
31 #include "h264chroma.h"
32 
33 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);
34 
35 typedef struct VC1DSPContext {
36  /* vc1 functions */
37  void (*vc1_inv_trans_8x8)(int16_t *b);
38  void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block);
39  void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block);
40  void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block);
41  void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block);
42  void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block);
43  void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block);
44  void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block);
47  void (*vc1_v_s_overlap)(int16_t *top, int16_t *bottom);
48  void (*vc1_h_s_overlap)(int16_t *left, int16_t *right);
55 
56  /* put 8x8 block with bicubic interpolation and quarterpel precision
57  * last argument is actually round value instead of height
58  */
61 
62  /* This is really one func used in VC-1 decoding */
65 
66  /* Windows Media Image functions */
67  void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
68  void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
69  void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
70  void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
71  const uint8_t *src2a, int alpha, int width);
72  void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
73  const uint8_t *src2a, const uint8_t *src2b, int offset2,
74  int alpha, int width);
75 
76  /**
77  * Search buf from the start for up to size bytes. Return the index
78  * of a zero byte, or >= size if not found. Ideally, use lookahead
79  * to filter out any zero bytes that are known to not be followed by
80  * one or more further zero bytes and a one byte.
81  */
84 
90 
91 #endif /* AVCODEC_VC1DSP_H */
void(* vc1_h_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:46
void(* vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:38
void(* vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:39
void(* sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, int alpha, int width)
Definition: vc1dsp.h:70
const char * b
Definition: vf_curves.c:109
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: vc1dsp.h:82
void(* vc1_v_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:51
vc1op_pixels_func put_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:59
uint8_t
void(* vc1_v_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:49
void(* sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, const uint8_t *src2b, int offset2, int alpha, int width)
Definition: vc1dsp.h:72
void(* vc1_inv_trans_8x8)(int16_t *b)
Definition: vc1dsp.h:37
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:42
void(* vc1_h_loop_filter8)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:52
ptrdiff_t size
Definition: opengl_enc.c:101
static double alpha(void *priv, double x, double y)
Definition: vf_geq.c:99
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:41
void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp)
void(* vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:40
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
GLsizei count
Definition: opengl_enc.c:109
void(* vc1_v_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:53
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:44
void(* vc1op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
Definition: vc1dsp.h:33
void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
Definition: vc1dsp_init.c:105
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
#define src
Definition: vp9dsp.c:530
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:64
Half-pel DSP functions.
void(* vc1_h_loop_filter4)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:50
void ff_vc1dsp_init_arm(VC1DSPContext *dsp)
vc1op_pixels_func avg_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:60
void * buf
Definition: avisynth_c.h:553
void(* sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
Definition: vc1dsp.h:69
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:63
void ff_vc1dsp_init(VC1DSPContext *c)
Definition: vc1dsp.c:968
void(* h264_chroma_mc_func)(uint8_t *dst, uint8_t *src, int srcStride, int h, int x, int y)
Definition: h264chroma.h:24
static double c[64]
void ff_vc1dsp_init_ppc(VC1DSPContext *c)
void(* vc1_v_s_overlap)(int16_t *top, int16_t *bottom)
Definition: vc1dsp.h:47
int pixels
Definition: avisynth_c.h:298
void(* sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
Definition: vc1dsp.h:68
void(* vc1_h_s_overlap)(int16_t *left, int16_t *right)
Definition: vc1dsp.h:48
#define stride
void(* vc1_v_overlap)(uint8_t *src, int stride)
Definition: vc1dsp.h:45
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block)
Definition: vc1dsp.h:43
void(* sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
Definition: vc1dsp.h:67
static int width
void(* vc1_h_loop_filter16)(uint8_t *src, int stride, int pq)
Definition: vc1dsp.h:54
static int16_t block[64]
Definition: dct-test.c:112