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/*
* 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_MovieClipNode.h"
#include "COM_MovieClipOperation.h"
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
#include "DNA_movieclip_types.h"
#include "IMB_imbuf.h"
namespace blender::compositor {
MovieClipNode::MovieClipNode(bNode *editor_node) : Node(editor_node)
{
/* pass */
}
void MovieClipNode::convert_to_operations(NodeConverter &converter,
const CompositorContext &context) const
{
NodeOutput *output_movie_clip = this->get_output_socket(0);
NodeOutput *alpha_movie_clip = this->get_output_socket(1);
NodeOutput *offset_xmovie_clip = this->get_output_socket(2);
NodeOutput *offset_ymovie_clip = this->get_output_socket(3);
NodeOutput *scale_movie_clip = this->get_output_socket(4);
NodeOutput *angle_movie_clip = this->get_output_socket(5);
bNode *editor_node = this->get_bnode();
MovieClip *movie_clip = (MovieClip *)editor_node->id;
MovieClipUser *movie_clip_user = (MovieClipUser *)editor_node->storage;
bool cache_frame = !context.is_rendering();
ImBuf *ibuf = nullptr;
if (movie_clip) {
if (cache_frame) {
ibuf = BKE_movieclip_get_ibuf(movie_clip, movie_clip_user);
}
else {
ibuf = BKE_movieclip_get_ibuf_flag(
movie_clip, movie_clip_user, movie_clip->flag, MOVIECLIP_CACHE_SKIP);
}
}
/* Always connect the output image. */
MovieClipOperation *operation = new MovieClipOperation();
operation->set_movie_clip(movie_clip);
operation->set_movie_clip_user(movie_clip_user);
operation->set_framenumber(context.get_framenumber());
operation->set_cache_frame(cache_frame);
converter.add_operation(operation);
converter.map_output_socket(output_movie_clip, operation->get_output_socket());
converter.add_preview(operation->get_output_socket());
MovieClipAlphaOperation *alpha_operation = new MovieClipAlphaOperation();
alpha_operation->set_movie_clip(movie_clip);
alpha_operation->set_movie_clip_user(movie_clip_user);
alpha_operation->set_framenumber(context.get_framenumber());
alpha_operation->set_cache_frame(cache_frame);
converter.add_operation(alpha_operation);
converter.map_output_socket(alpha_movie_clip, alpha_operation->get_output_socket());
MovieTrackingStabilization *stab = &movie_clip->tracking.stabilization;
float loc[2], scale, angle;
loc[0] = 0.0f;
loc[1] = 0.0f;
scale = 1.0f;
angle = 0.0f;
if (ibuf) {
if (stab->flag & TRACKING_2D_STABILIZATION) {
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(movie_clip,
context.get_framenumber());
BKE_tracking_stabilization_data_get(
movie_clip, clip_framenr, ibuf->x, ibuf->y, loc, &scale, &angle);
}
}
converter.add_output_value(offset_xmovie_clip, loc[0]);
converter.add_output_value(offset_ymovie_clip, loc[1]);
converter.add_output_value(scale_movie_clip, scale);
converter.add_output_value(angle_movie_clip, angle);
if (ibuf) {
IMB_freeImBuf(ibuf);
}
}
} // namespace blender::compositor
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