GCC Code Coverage Report


Directory: avs_core/
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Lines: 56.2% 9 / 0 / 16
Functions: 80.0% 4 / 0 / 5
Branches: 33.3% 6 / 0 / 18

filters/merge.h
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1 // Avisynth v2.5. Copyright 2002 Ben Rudiak-Gould et al.
2 // http://avisynth.nl
3
4 // This program is free software; you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation; either version 2 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit
17 // http://www.gnu.org/copyleft/gpl.html .
18 //
19 // Linking Avisynth statically or dynamically with other modules is making a
20 // combined work based on Avisynth. Thus, the terms and conditions of the GNU
21 // General Public License cover the whole combination.
22 //
23 // As a special exception, the copyright holders of Avisynth give you
24 // permission to link Avisynth with independent modules that communicate with
25 // Avisynth solely through the interfaces defined in avisynth.h, regardless of the license
26 // terms of these independent modules, and to copy and distribute the
27 // resulting combined work under terms of your choice, provided that
28 // every copy of the combined work is accompanied by a complete copy of
29 // the source code of Avisynth (the version of Avisynth used to produce the
30 // combined work), being distributed under the terms of the GNU General
31 // Public License plus this exception. An independent module is a module
32 // which is not derived from or based on Avisynth, such as 3rd-party filters,
33 // import and export plugins, or graphical user interfaces.
34
35
36 // Avisynth filter: YUV merge
37 // by Klaus Post
38 // adapted by Richard Berg (avisynth-dev@richardberg.net)
39
40
41 #ifndef __Merge_H__
42 #define __Merge_H__
43
44 #include <avisynth.h>
45 #include "overlay/blend_common.h"
46 #ifdef INTEL_INTRINSICS
47 #include "overlay/intel/blend_common_avx2.h"
48 #include "overlay/intel/blend_common_sse.h"
49 #endif
50 #ifdef NEON_INTRINSICS
51 #include "overlay/aarch64/blend_common_neon.h"
52 #endif
53
54
55 /****************************************************
56 ****************************************************/
57
58 class MergeChroma : public GenericVideoFilter
59 /**
60 * Merge the chroma planes of one clip into another, preserving luma
61 **/
62 {
63 public:
64 MergeChroma(PClip _child, PClip _clip, float _weight, IScriptEnvironment* env);
65 PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) override;
66
67 3 int __stdcall SetCacheHints(int cachehints, int frame_range) override {
68 AVS_UNUSED(frame_range);
69
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3 return cachehints == CACHE_GET_MTMODE ? MT_NICE_FILTER : 0;
70 }
71
72 static AVSValue __cdecl Create(AVSValue args, void* user_data, IScriptEnvironment* env);
73
74 private:
75 PClip clip;
76 float weight;
77 int pixelsize;
78 int bits_per_pixel;
79 };
80
81
82 class MergeLuma : public GenericVideoFilter
83 /**
84 * Merge the luma plane of one clip into another, preserving chroma
85 **/
86 {
87 public:
88 MergeLuma(PClip _child, PClip _clip, float _weight, IScriptEnvironment* env);
89 PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) override;
90
91 3 int __stdcall SetCacheHints(int cachehints, int frame_range) override {
92 AVS_UNUSED(frame_range);
93
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3 return cachehints == CACHE_GET_MTMODE ? MT_NICE_FILTER : 0;
94 }
95
96 static AVSValue __cdecl Create(AVSValue args, void* user_data, IScriptEnvironment* env);
97
98 private:
99 PClip clip;
100 float weight;
101 int pixelsize;
102 int bits_per_pixel;
103 };
104
105
106 class MergeAll : public GenericVideoFilter
107 /**
108 * Merge the planes of one clip into another
109 **/
110 {
111 public:
112 MergeAll(PClip _child, PClip _clip, float _weight, IScriptEnvironment* env);
113 PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* env) override;
114
115 3 int __stdcall SetCacheHints(int cachehints, int frame_range) override {
116 AVS_UNUSED(frame_range);
117
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3 return cachehints == CACHE_GET_MTMODE ? MT_NICE_FILTER : 0;
118 }
119
120 static AVSValue __cdecl Create(AVSValue args, void* user_data, IScriptEnvironment* env);
121
122 private:
123 PClip clip;
124 float weight;
125 int pixelsize;
126 int bits_per_pixel;
127 };
128
129 void merge_plane(BYTE* srcp, const BYTE* otherp, int src_pitch, int other_pitch, int src_rowsize, int src_height, float weight, int bits_per_pixel, bool use_padded_width, IScriptEnvironment* env);
130
131 // Dispatch helpers for weighted (non-average) merges using the unified API.
132 // Callers compute:
133 // pixelsize = bits_per_pixel <= 8 ? 1 : (bits_per_pixel == 32 ? 4 : 2)
134 // width = rowsize / pixelsize
135 // weight_i = (int)(weight_f * 32768.0f + 0.5f)
136 // invweight_i = 32768 - weight_i
137 // Float clips use get_weighted_merge_float_fn; integer clips use get_weighted_merge_fn.
138 26 inline weighted_merge_fn_t* get_weighted_merge_fn(int cpuFlags, int weight_i) {
139
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26 if (weight_i == 0 || weight_i == 32768)
140 return &weighted_merge_return_a_or_b;
141
142 #ifdef INTEL_INTRINSICS
143
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26 if (cpuFlags & CPUF_AVX2) return &weighted_merge_avx2;
144 if (cpuFlags & CPUF_SSE2) return &weighted_merge_sse2;
145 #endif
146 #ifdef NEON_INTRINSICS
147 if (cpuFlags & CPUF_ARM_NEON) return &weighted_merge_neon;
148 #endif
149 return &weighted_merge_c;
150 }
151 inline weighted_merge_float_fn_t* get_weighted_merge_float_fn(int cpuFlags) {
152 #ifdef INTEL_INTRINSICS
153 if (cpuFlags & CPUF_AVX2) return &weighted_merge_float_avx2;
154 if (cpuFlags & CPUF_SSE2) return &weighted_merge_float_sse2;
155 #endif
156 #ifdef NEON_INTRINSICS
157 if (cpuFlags & CPUF_ARM_NEON) return &weighted_merge_float_neon;
158 #endif
159 return &weighted_merge_float_c;
160 }
161
162 #endif // __Merge_H__
163