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/*
* Copyright 2013, Blender Foundation.
*
* 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.
*
* Contributor:
* Sergey Sharybin
*/
#include "COM_PlaneTrackOperation.h"
#include "COM_ReadBufferOperation.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_math_color.h"
extern "C" {
# include "BLI_jitter.h"
# include "BKE_movieclip.h"
# include "BKE_node.h"
# include "BKE_tracking.h"
}
/* ******** PlaneTrackCommon ******** */
PlaneTrackCommon::PlaneTrackCommon()
{
this->m_movieClip = NULL;
this->m_framenumber = 0;
this->m_trackingObjectName[0] = '\0';
this->m_planeTrackName[0] = '\0';
}
void PlaneTrackCommon::readCornersFromTrack(float corners[4][2], float frame)
{
MovieTracking *tracking;
MovieTrackingObject *object;
if (!this->m_movieClip)
return;
tracking = &this->m_movieClip->tracking;
object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
if (object) {
MovieTrackingPlaneTrack *plane_track;
plane_track = BKE_tracking_plane_track_get_named(tracking, object, this->m_planeTrackName);
if (plane_track) {
float clip_framenr =
BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
frame);
BKE_tracking_plane_marker_get_subframe_corners(plane_track,
clip_framenr,
corners);
}
}
}
void PlaneTrackCommon::determineResolution(unsigned int resolution[2], unsigned int /*preferredResolution*/[2])
{
resolution[0] = 0;
resolution[1] = 0;
if (this->m_movieClip) {
int width, height;
MovieClipUser user = {0};
BKE_movieclip_user_set_frame(&user, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &user, &width, &height);
resolution[0] = width;
resolution[1] = height;
}
}
/* ******** PlaneTrackMaskOperation ******** */
void PlaneTrackMaskOperation::initExecution()
{
PlaneDistortMaskOperation::initExecution();
float corners[4][2];
if (this->m_motion_blur_samples == 1) {
readCornersFromTrack(corners, this->m_framenumber);
calculateCorners(corners, true, 0);
}
else {
const float frame = (float)this->m_framenumber - this->m_motion_blur_shutter;
const float frame_step = (this->m_motion_blur_shutter * 2.0f) / this->m_motion_blur_samples;
float frame_iter = frame;
for (int sample = 0; sample < this->m_motion_blur_samples; ++sample) {
readCornersFromTrack(corners, frame_iter);
calculateCorners(corners, true, sample);
frame_iter += frame_step;
}
}
}
/* ******** PlaneTrackWarpImageOperation ******** */
void PlaneTrackWarpImageOperation::initExecution()
{
PlaneDistortWarpImageOperation::initExecution();
/* TODO(sergey): De-duplicate with mask operation. */
float corners[4][2];
if (this->m_motion_blur_samples == 1) {
readCornersFromTrack(corners, this->m_framenumber);
calculateCorners(corners, true, 0);
}
else {
const float frame = (float)this->m_framenumber - this->m_motion_blur_shutter;
const float frame_step = (this->m_motion_blur_shutter * 2.0f) / this->m_motion_blur_samples;
float frame_iter = frame;
for (int sample = 0; sample < this->m_motion_blur_samples; ++sample) {
readCornersFromTrack(corners, frame_iter);
calculateCorners(corners, true, sample);
frame_iter += frame_step;
}
}
}
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