1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_MovieDistortionOperation.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "BLI_linklist.h"
namespace blender::compositor {
MovieDistortionOperation::MovieDistortionOperation(bool distortion)
{
this->addInputSocket(DataType::Color);
this->addOutputSocket(DataType::Color);
this->setResolutionInputSocketIndex(0);
this->m_inputOperation = nullptr;
this->m_movieClip = nullptr;
this->m_apply = distortion;
}
void MovieDistortionOperation::initExecution()
{
this->m_inputOperation = this->getInputSocketReader(0);
if (this->m_movieClip) {
MovieTracking *tracking = &this->m_movieClip->tracking;
MovieClipUser clipUser = {0};
int calibration_width, calibration_height;
BKE_movieclip_user_set_frame(&clipUser, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &clipUser, &calibration_width, &calibration_height);
float delta[2];
rcti full_frame;
full_frame.xmin = full_frame.ymin = 0;
full_frame.xmax = this->m_width;
full_frame.ymax = this->m_height;
BKE_tracking_max_distortion_delta_across_bound(
tracking, this->m_width, this->m_height, &full_frame, !this->m_apply, delta);
/* 5 is just in case we didn't hit real max of distortion in
* BKE_tracking_max_undistortion_delta_across_bound
*/
m_margin[0] = delta[0] + 5;
m_margin[1] = delta[1] + 5;
this->m_distortion = BKE_tracking_distortion_new(
tracking, calibration_width, calibration_height);
this->m_calibration_width = calibration_width;
this->m_calibration_height = calibration_height;
this->m_pixel_aspect = tracking->camera.pixel_aspect;
}
else {
m_margin[0] = m_margin[1] = 0;
this->m_distortion = nullptr;
}
}
void MovieDistortionOperation::deinitExecution()
{
this->m_inputOperation = nullptr;
this->m_movieClip = nullptr;
if (this->m_distortion != nullptr) {
BKE_tracking_distortion_free(this->m_distortion);
}
}
void MovieDistortionOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
if (this->m_distortion != nullptr) {
/* float overscan = 0.0f; */
const float pixel_aspect = this->m_pixel_aspect;
const float w = (float)this->m_width /* / (1 + overscan) */;
const float h = (float)this->m_height /* / (1 + overscan) */;
const float aspx = w / (float)this->m_calibration_width;
const float aspy = h / (float)this->m_calibration_height;
float in[2];
float out[2];
in[0] = (x /* - 0.5 * overscan * w */) / aspx;
in[1] = (y /* - 0.5 * overscan * h */) / aspy / pixel_aspect;
if (this->m_apply) {
BKE_tracking_distortion_undistort_v2(this->m_distortion, in, out);
}
else {
BKE_tracking_distortion_distort_v2(this->m_distortion, in, out);
}
float u = out[0] * aspx /* + 0.5 * overscan * w */,
v = (out[1] * aspy /* + 0.5 * overscan * h */) * pixel_aspect;
this->m_inputOperation->readSampled(output, u, v, PixelSampler::Bilinear);
}
else {
this->m_inputOperation->readSampled(output, x, y, PixelSampler::Bilinear);
}
}
bool MovieDistortionOperation::determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output)
{
rcti newInput;
newInput.xmin = input->xmin - m_margin[0];
newInput.ymin = input->ymin - m_margin[1];
newInput.xmax = input->xmax + m_margin[0];
newInput.ymax = input->ymax + m_margin[1];
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
} // namespace blender::compositor
|
