Sergey Sharybin
1dddcfbaff
Quite striaghtforward change, and in theory we can even try supporting motion blur for the corner pin node (which is tricky because coordinates actually coming from sockets, but with some black magic should be doable).
140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/*
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* Copyright 2013, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Sergey Sharybin
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*/
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#include "COM_PlaneTrackOperation.h"
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#include "COM_ReadBufferOperation.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_math_color.h"
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extern "C" {
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# include "BLI_jitter.h"
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# include "BKE_movieclip.h"
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# include "BKE_node.h"
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# include "BKE_tracking.h"
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}
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/* ******** PlaneTrackCommon ******** */
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PlaneTrackCommon::PlaneTrackCommon()
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{
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this->m_movieClip = NULL;
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this->m_framenumber = 0;
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this->m_trackingObjectName[0] = '\0';
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this->m_planeTrackName[0] = '\0';
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}
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void PlaneTrackCommon::readCornersFromTrack(float corners[4][2], float frame)
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{
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MovieTracking *tracking;
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MovieTrackingObject *object;
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if (!this->m_movieClip)
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return;
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tracking = &this->m_movieClip->tracking;
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object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
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if (object) {
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MovieTrackingPlaneTrack *plane_track;
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plane_track = BKE_tracking_plane_track_get_named(tracking, object, this->m_planeTrackName);
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if (plane_track) {
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MovieTrackingPlaneMarker *plane_marker;
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float clip_framenr =
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BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
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frame);
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plane_marker = BKE_tracking_plane_marker_get(plane_track, clip_framenr);
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BKE_tracking_plane_marker_get_subframe_corners(plane_track,
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clip_framenr,
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corners);
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}
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}
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}
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void PlaneTrackCommon::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
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{
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resolution[0] = 0;
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resolution[1] = 0;
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if (this->m_movieClip) {
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int width, height;
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MovieClipUser user = {0};
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BKE_movieclip_user_set_frame(&user, this->m_framenumber);
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BKE_movieclip_get_size(this->m_movieClip, &user, &width, &height);
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resolution[0] = width;
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resolution[1] = height;
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}
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}
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/* ******** PlaneTrackMaskOperation ******** */
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void PlaneTrackMaskOperation::initExecution()
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{
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PlaneDistortMaskOperation::initExecution();
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float corners[4][2];
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if (this->m_motion_blur_samples == 1) {
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readCornersFromTrack(corners, this->m_framenumber);
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calculateCorners(corners, true, 0);
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}
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else {
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const float frame = (float)this->m_framenumber - this->m_motion_blur_shutter;
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const float frame_step = (this->m_motion_blur_shutter * 2.0f) / this->m_motion_blur_samples;
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float frame_iter = frame;
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for (int sample = 0; sample < this->m_motion_blur_samples; ++sample) {
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readCornersFromTrack(corners, frame_iter);
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calculateCorners(corners, true, sample);
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frame_iter += frame_step;
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}
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}
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}
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/* ******** PlaneTrackWarpImageOperation ******** */
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void PlaneTrackWarpImageOperation::initExecution()
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{
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PlaneDistortWarpImageOperation::initExecution();
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/* TODO(sergey): De-duplicate with mask operation. */
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float corners[4][2];
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if (this->m_motion_blur_samples == 1) {
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readCornersFromTrack(corners, this->m_framenumber);
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calculateCorners(corners, true, 0);
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}
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else {
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const float frame = (float)this->m_framenumber - this->m_motion_blur_shutter;
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const float frame_step = (this->m_motion_blur_shutter * 2.0f) / this->m_motion_blur_samples;
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float frame_iter = frame;
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for (int sample = 0; sample < this->m_motion_blur_samples; ++sample) {
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readCornersFromTrack(corners, frame_iter);
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calculateCorners(corners, true, sample);
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frame_iter += frame_step;
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}
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}
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}
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