Files
oak-editor/app/codec/oiio/oiiocommon.cpp
T
itsmattkc 94c0914e50 codec system rework
Codecs are now much cleaner and thread safe by design.
2020-11-10 11:23:25 +11:00

103 lines
3.2 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#include "oiiocommon.h"
OLIVE_NAMESPACE_ENTER
void OIIOCommon::FrameToBuffer(FramePtr frame, OIIO::ImageBuf *buf)
{
#if OIIO_VERSION < 20112
//
// Workaround for OIIO bug that ignores destination stride in versions OLDER than 2.1.12
//
// See more: https://github.com/OpenImageIO/oiio/pull/2487
//
int width_in_bytes = frame->width() * PixelFormat::BytesPerPixel(frame->format());
for (int i=0;i<buf->spec().height;i++) {
memcpy(
#if OIIO_VERSION < 10903
reinterpret_cast<char*>(buf->localpixels()) + i * width_in_bytes,
#else
reinterpret_cast<char*>(buf->localpixels()) + i * buf->scanline_stride(),
#endif
frame->data() + i * frame->linesize_bytes(),
width_in_bytes);
}
#else
buf->set_pixels(OIIO::ROI(),
buf->spec().format,
frame->data(),
OIIO::AutoStride,
frame->linesize_bytes());
#endif
}
void OIIOCommon::BufferToFrame(OIIO::ImageBuf *buf, FramePtr frame)
{
#if OIIO_VERSION < 20112
//
// Workaround for OIIO bug that ignores destination stride in versions OLDER than 2.1.12
//
// See more: https://github.com/OpenImageIO/oiio/pull/2487
//
int width_in_bytes = frame->width() * PixelFormat::BytesPerPixel(frame->format());
for (int i=0;i<buf->spec().height;i++) {
memcpy(frame->data() + i * frame->linesize_bytes(),
#if OIIO_VERSION < 10903
reinterpret_cast<const char*>(buf->localpixels()) + i * width_in_bytes,
#else
reinterpret_cast<const char*>(buf->localpixels()) + i * buf->scanline_stride(),
#endif
width_in_bytes);
}
#else
buf->get_pixels(OIIO::ROI(),
buf->spec().format,
frame->data(),
OIIO::AutoStride,
frame->linesize_bytes());
#endif
}
PixelFormat::Format OIIOCommon::GetFormatFromOIIOBasetype(const OIIO::ImageSpec& spec)
{
if (spec.format == OIIO::TypeDesc::UINT8) {
return PixelFormat::PIX_FMT_RGBA8;
} else if (spec.format == OIIO::TypeDesc::UINT16) {
return PixelFormat::PIX_FMT_RGBA16U;
} else if (spec.format == OIIO::TypeDesc::HALF) {
return PixelFormat::PIX_FMT_RGBA16F;
} else if (spec.format == OIIO::TypeDesc::FLOAT) {
return PixelFormat::PIX_FMT_RGBA32F;
} else {
return PixelFormat::PIX_FMT_INVALID;
}
}
rational OIIOCommon::GetPixelAspectRatioFromOIIO(const OIIO::ImageSpec &spec)
{
return rational::fromDouble(spec.get_float_attribute("PixelAspectRatio", 1));
}
OLIVE_NAMESPACE_EXIT