FFmpeg
vc1dsp_init.c
Go to the documentation of this file.
1 /*
2  * VC-1 and WMV3 - DSP functions MMX-optimized
3  * Copyright (c) 2007 Christophe GISQUET <christophe.gisquet@free.fr>
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without
8  * restriction, including without limitation the rights to use,
9  * copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following
12  * conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  * OTHER DEALINGS IN THE SOFTWARE.
25  */
26 
27 #include "libavutil/attributes.h"
28 #include "libavutil/cpu.h"
29 #include "libavutil/x86/cpu.h"
30 #include "libavutil/x86/asm.h"
31 #include "libavcodec/vc1dsp.h"
32 #include "fpel.h"
33 #include "vc1dsp.h"
34 #include "config.h"
35 
36 #define LOOP_FILTER4(EXT) \
37 void ff_vc1_v_loop_filter4_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq); \
38 void ff_vc1_h_loop_filter4_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq);
39 #define LOOP_FILTER816(EXT) \
40 void ff_vc1_v_loop_filter8_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq); \
41 void ff_vc1_h_loop_filter8_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq); \
42 \
43 static void vc1_v_loop_filter16_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq) \
44 { \
45  ff_vc1_v_loop_filter8_ ## EXT(src, stride, pq); \
46  ff_vc1_v_loop_filter8_ ## EXT(src+8, stride, pq); \
47 } \
48 \
49 static void vc1_h_loop_filter16_ ## EXT(uint8_t *src, ptrdiff_t stride, int pq) \
50 { \
51  ff_vc1_h_loop_filter8_ ## EXT(src, stride, pq); \
52  ff_vc1_h_loop_filter8_ ## EXT(src+8*stride, stride, pq); \
53 }
54 
55 #if HAVE_X86ASM
56 LOOP_FILTER4(mmxext)
57 LOOP_FILTER816(sse2)
58 LOOP_FILTER4(ssse3)
59 LOOP_FILTER816(ssse3)
60 
61 void ff_vc1_h_loop_filter8_sse4(uint8_t *src, ptrdiff_t stride, int pq);
62 
63 static void vc1_h_loop_filter16_sse4(uint8_t *src, ptrdiff_t stride, int pq)
64 {
65  ff_vc1_h_loop_filter8_sse4(src, stride, pq);
66  ff_vc1_h_loop_filter8_sse4(src+8*stride, stride, pq);
67 }
68 
69 #define DECLARE_FUNCTION(OP, DEPTH, INSN) \
70  static void OP##vc1_mspel_mc00_##DEPTH##INSN(uint8_t *dst, \
71  const uint8_t *src, ptrdiff_t stride, int rnd) \
72  { \
73  ff_ ## OP ## pixels ## DEPTH ## INSN(dst, src, stride, DEPTH); \
74  }
75 
76 DECLARE_FUNCTION(put_, 8, _mmx)
77 DECLARE_FUNCTION(avg_, 8, _mmxext)
78 DECLARE_FUNCTION(put_, 16, _sse2)
79 DECLARE_FUNCTION(avg_, 16, _sse2)
80 
81 #endif /* HAVE_X86ASM */
82 
83 void ff_put_vc1_chroma_mc8_nornd_mmx (uint8_t *dst, const uint8_t *src,
84  ptrdiff_t stride, int h, int x, int y);
85 void ff_avg_vc1_chroma_mc8_nornd_mmxext(uint8_t *dst, const uint8_t *src,
86  ptrdiff_t stride, int h, int x, int y);
87 void ff_put_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, const uint8_t *src,
88  ptrdiff_t stride, int h, int x, int y);
89 void ff_avg_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, const uint8_t *src,
90  ptrdiff_t stride, int h, int x, int y);
91 void ff_vc1_inv_trans_4x4_dc_mmxext(uint8_t *dest, ptrdiff_t linesize,
92  int16_t *block);
93 void ff_vc1_inv_trans_4x8_dc_mmxext(uint8_t *dest, ptrdiff_t linesize,
94  int16_t *block);
95 void ff_vc1_inv_trans_8x4_dc_mmxext(uint8_t *dest, ptrdiff_t linesize,
96  int16_t *block);
97 void ff_vc1_inv_trans_8x8_dc_mmxext(uint8_t *dest, ptrdiff_t linesize,
98  int16_t *block);
99 
100 
101 av_cold void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
102 {
103  int cpu_flags = av_get_cpu_flags();
104 
105  if (HAVE_6REGS && INLINE_MMX(cpu_flags))
106  if (EXTERNAL_MMX(cpu_flags))
107  ff_vc1dsp_init_mmx(dsp);
108 
109  if (HAVE_6REGS && INLINE_MMXEXT(cpu_flags))
110  if (EXTERNAL_MMXEXT(cpu_flags))
111  ff_vc1dsp_init_mmxext(dsp);
112 
113 #define ASSIGN_LF4(EXT) \
114  dsp->vc1_v_loop_filter4 = ff_vc1_v_loop_filter4_ ## EXT; \
115  dsp->vc1_h_loop_filter4 = ff_vc1_h_loop_filter4_ ## EXT
116 #define ASSIGN_LF816(EXT) \
117  dsp->vc1_v_loop_filter8 = ff_vc1_v_loop_filter8_ ## EXT; \
118  dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_ ## EXT; \
119  dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_ ## EXT; \
120  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_ ## EXT
121 
122 #if HAVE_X86ASM
123  if (EXTERNAL_MMX(cpu_flags)) {
124  dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_nornd_mmx;
125 
126  dsp->put_vc1_mspel_pixels_tab[1][0] = put_vc1_mspel_mc00_8_mmx;
127  }
128  if (EXTERNAL_MMXEXT(cpu_flags)) {
129  ASSIGN_LF4(mmxext);
130  dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_nornd_mmxext;
131 
132  dsp->avg_vc1_mspel_pixels_tab[1][0] = avg_vc1_mspel_mc00_8_mmxext;
133 
134  dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_mmxext;
135  dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_mmxext;
136  dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_mmxext;
137  dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_mmxext;
138  }
139  if (EXTERNAL_SSE2(cpu_flags)) {
140  ASSIGN_LF816(sse2);
141 
142  dsp->put_vc1_mspel_pixels_tab[0][0] = put_vc1_mspel_mc00_16_sse2;
143  dsp->avg_vc1_mspel_pixels_tab[0][0] = avg_vc1_mspel_mc00_16_sse2;
144  }
145  if (EXTERNAL_SSSE3(cpu_flags)) {
146  ASSIGN_LF4(ssse3);
147  ASSIGN_LF816(ssse3);
148  dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = ff_put_vc1_chroma_mc8_nornd_ssse3;
149  dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = ff_avg_vc1_chroma_mc8_nornd_ssse3;
150  }
151  if (EXTERNAL_SSE4(cpu_flags)) {
152  dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_sse4;
153  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_sse4;
154  }
155 #endif /* HAVE_X86ASM */
156 }
INLINE_MMX
#define INLINE_MMX(flags)
Definition: cpu.h:87
cpu.h
vc1dsp.h
VC1DSPContext::avg_vc1_mspel_pixels_tab
vc1op_pixels_func avg_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:60
VC1DSPContext::avg_no_rnd_vc1_chroma_pixels_tab
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:64
ff_vc1dsp_init_mmx
void ff_vc1dsp_init_mmx(VC1DSPContext *dsp)
ff_vc1_inv_trans_8x4_dc_mmxext
void ff_vc1_inv_trans_8x4_dc_mmxext(uint8_t *dest, ptrdiff_t linesize, int16_t *block)
VC1DSPContext::vc1_inv_trans_8x8_dc
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:41
ff_avg_vc1_chroma_mc8_nornd_ssse3
void ff_avg_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y)
ff_vc1dsp_init_x86
av_cold void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
Definition: vc1dsp_init.c:101
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:103
VC1DSPContext::put_no_rnd_vc1_chroma_pixels_tab
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]
Definition: vc1dsp.h:63
VC1DSPContext::vc1_inv_trans_4x4_dc
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:44
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:52
DECLARE_FUNCTION
#define DECLARE_FUNCTION(a, b)
Macro to ease bicubic filter interpolation functions declarations.
Definition: vc1dsp_mmi.c:2134
ff_put_vc1_chroma_mc8_nornd_mmx
void ff_put_vc1_chroma_mc8_nornd_mmx(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y)
VC1DSPContext::vc1_inv_trans_8x4_dc
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:42
av_cold
#define av_cold
Definition: attributes.h:90
ff_vc1_inv_trans_4x8_dc_mmxext
void ff_vc1_inv_trans_4x8_dc_mmxext(uint8_t *dest, ptrdiff_t linesize, int16_t *block)
VC1DSPContext::vc1_h_loop_filter16
void(* vc1_h_loop_filter16)(uint8_t *src, ptrdiff_t stride, int pq)
Definition: vc1dsp.h:54
ff_put_vc1_chroma_mc8_nornd_ssse3
void ff_put_vc1_chroma_mc8_nornd_ssse3(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y)
LOOP_FILTER4
#define LOOP_FILTER4(EXT)
Definition: vc1dsp_init.c:36
ASSIGN_LF816
#define ASSIGN_LF816(EXT)
VC1DSPContext::vc1_inv_trans_4x8_dc
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vc1dsp.h:43
LOOP_FILTER816
#define LOOP_FILTER816(EXT)
Definition: vc1dsp_init.c:39
ASSIGN_LF4
#define ASSIGN_LF4(EXT)
ff_vc1_inv_trans_4x4_dc_mmxext
void ff_vc1_inv_trans_4x4_dc_mmxext(uint8_t *dest, ptrdiff_t linesize, int16_t *block)
cpu.h
asm.h
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
ff_vc1_inv_trans_8x8_dc_mmxext
void ff_vc1_inv_trans_8x8_dc_mmxext(uint8_t *dest, ptrdiff_t linesize, int16_t *block)
stride
#define stride
Definition: h264pred_template.c:537
VC1DSPContext
Definition: vc1dsp.h:35
VC1DSPContext::vc1_h_loop_filter8
void(* vc1_h_loop_filter8)(uint8_t *src, ptrdiff_t stride, int pq)
Definition: vc1dsp.h:52
VC1DSPContext::put_vc1_mspel_pixels_tab
vc1op_pixels_func put_vc1_mspel_pixels_tab[2][16]
Definition: vc1dsp.h:59
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
fpel.h
HAVE_6REGS
#define HAVE_6REGS
Definition: asm.h:76
INLINE_MMXEXT
#define INLINE_MMXEXT(flags)
Definition: cpu.h:88
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
ff_avg_vc1_chroma_mc8_nornd_mmxext
void ff_avg_vc1_chroma_mc8_nornd_mmxext(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int h, int x, int y)
h
h
Definition: vp9dsp_template.c:2038
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
EXTERNAL_MMX
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
EXTERNAL_MMXEXT
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:57
ff_vc1dsp_init_mmxext
void ff_vc1dsp_init_mmxext(VC1DSPContext *dsp)
Generated on Tue Feb 28 2023 21:33:44 for FFmpeg by   doxygen 1.8.17