diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_MovieClipOperation.cc')
-rw-r--r-- | source/blender/compositor/operations/COM_MovieClipOperation.cc | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MovieClipOperation.cc b/source/blender/compositor/operations/COM_MovieClipOperation.cc new file mode 100644 index 00000000000..4f819bf27af --- /dev/null +++ b/source/blender/compositor/operations/COM_MovieClipOperation.cc @@ -0,0 +1,135 @@ +/* + * 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_MovieClipOperation.h" + +#include "BLI_listbase.h" +#include "BLI_math.h" + +#include "BKE_image.h" +#include "BKE_movieclip.h" + +#include "IMB_imbuf.h" + +MovieClipBaseOperation::MovieClipBaseOperation() +{ + this->m_movieClip = nullptr; + this->m_movieClipBuffer = nullptr; + this->m_movieClipUser = nullptr; + 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 == nullptr || 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 = nullptr; + } +} + +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 == nullptr) { + zero_v4(output); + } + else if (ibuf->rect == nullptr && ibuf->rect_float == nullptr) { + /* Happens for multilayer exr, i.e. */ + zero_v4(output); + } + else { + switch (sampler) { + case COM_PS_NEAREST: + nearest_interpolation_color(ibuf, nullptr, output, x, y); + break; + case COM_PS_BILINEAR: + bilinear_interpolation_color(ibuf, nullptr, output, x, y); + break; + case COM_PS_BICUBIC: + bicubic_interpolation_color(ibuf, nullptr, 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]; +} |