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/*
* Copyright 2011, 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.
*/
#include "COM_MovieClipOperation.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
extern "C" {
# include "BKE_movieclip.h"
# include "IMB_imbuf.h"
}
#include "BKE_image.h"
MovieClipBaseOperation::MovieClipBaseOperation() : NodeOperation()
{
this->m_movieClip = NULL;
this->m_movieClipBuffer = NULL;
this->m_movieClipUser = NULL;
this->m_movieClipwidth = 0;
this->m_movieClipheight = 0;
this->m_framenumber = 0;
}
void MovieClipBaseOperation::initExecution()
{
if (this->m_movieClip) {
BKE_movieclip_user_set_frame(this->m_movieClipUser, this->m_framenumber);
ImBuf *ibuf;
if (this->m_cacheFrame)
ibuf = BKE_movieclip_get_ibuf(this->m_movieClip, this->m_movieClipUser);
else
ibuf = BKE_movieclip_get_ibuf_flag(this->m_movieClip, this->m_movieClipUser, this->m_movieClip->flag, MOVIECLIP_CACHE_SKIP);
if (ibuf) {
this->m_movieClipBuffer = ibuf;
if (ibuf->rect_float == NULL || ibuf->userflags & IB_RECT_INVALID) {
IMB_float_from_rect(ibuf);
ibuf->userflags &= ~IB_RECT_INVALID;
}
}
}
}
void MovieClipBaseOperation::deinitExecution()
{
if (this->m_movieClipBuffer) {
IMB_freeImBuf(this->m_movieClipBuffer);
this->m_movieClipBuffer = NULL;
}
}
void MovieClipBaseOperation::determineResolution(unsigned int resolution[2], unsigned int /*preferredResolution*/[2])
{
resolution[0] = 0;
resolution[1] = 0;
if (this->m_movieClip) {
int width, height;
BKE_movieclip_get_size(this->m_movieClip, this->m_movieClipUser, &width, &height);
resolution[0] = width;
resolution[1] = height;
}
}
void MovieClipBaseOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
ImBuf *ibuf = this->m_movieClipBuffer;
if (ibuf == NULL) {
zero_v4(output);
}
else if (ibuf->rect == NULL && ibuf->rect_float == NULL) {
/* Happens for multilayer exr, i.e. */
zero_v4(output);
}
else {
switch (sampler) {
case COM_PS_NEAREST:
nearest_interpolation_color(ibuf, NULL, output, x, y);
break;
case COM_PS_BILINEAR:
bilinear_interpolation_color(ibuf, NULL, output, x, y);
break;
case COM_PS_BICUBIC:
bicubic_interpolation_color(ibuf, NULL, output, x, y);
break;
}
}
}
MovieClipOperation::MovieClipOperation() : MovieClipBaseOperation()
{
this->addOutputSocket(COM_DT_COLOR);
}
MovieClipAlphaOperation::MovieClipAlphaOperation() : MovieClipBaseOperation()
{
this->addOutputSocket(COM_DT_VALUE);
}
void MovieClipAlphaOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
{
float result[4];
MovieClipBaseOperation::executePixelSampled(result, x, y, sampler);
output[0] = result[3];
}
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