#include "colour_conversion.h"
#include "gamma_transfer_function.h"
#include "modified_gamma_transfer_function.h"
+#include "s_gamut3_transfer_function.h"
+#include "identity_transfer_function.h"
#include "colour_matrix.h"
#include "dcp_assert.h"
#include <boost/numeric/ublas/matrix.hpp>
return *c;
}
+/** Sony S-Gamut3/S-Log3 */
+ColourConversion const &
+ColourConversion::s_gamut3_to_xyz ()
+{
+ static ColourConversion* c = new ColourConversion (
+ shared_ptr<const TransferFunction> (new SGamut3TransferFunction ()),
+ YUV_TO_RGB_REC709,
+ Chromaticity (0.73, 0.280),
+ Chromaticity (0.140, 0.855),
+ Chromaticity (0.100, -0.050),
+ Chromaticity::D65 (),
+ optional<Chromaticity> (),
+ shared_ptr<const TransferFunction> (new IdentityTransferFunction ())
+ );
+ return *c;
+}
+
+
+
ColourConversion::ColourConversion (
shared_ptr<const TransferFunction> in,
YUVToRGB yuv_to_rgb,
!_green.about_equal (other._green, epsilon) ||
!_blue.about_equal (other._blue, epsilon) ||
!_white.about_equal (other._white, epsilon) ||
- !_out->about_equal (other._out, epsilon)) {
+ (!_out && other._out) ||
+ (_out && !other._out) ||
+ (_out && !_out->about_equal (other._out, epsilon))) {
return false;
}
static ColourConversion const & p3_to_xyz ();
static ColourConversion const & rec1886_to_xyz ();
static ColourConversion const & rec2020_to_xyz ();
+ static ColourConversion const & s_gamut3_to_xyz ();
protected:
/** Input transfer function (probably a gamma function, or something similar) */
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp 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.
+
+ libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+/** @file src/identity_transfer_function.cc
+ * @brief IdentityTransferFunction class.
+ */
+
+#include "identity_transfer_function.h"
+#include <cmath>
+
+using std::pow;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using namespace dcp;
+
+double *
+IdentityTransferFunction::make_lut (int bit_depth, bool) const
+{
+ int const bit_length = int(std::pow(2.0f, bit_depth));
+ double* lut = new double[bit_length];
+ for (int i = 0; i < bit_length; ++i) {
+ lut[i] = double(i) / (bit_length - 1);
+ }
+
+ return lut;
+}
+
+bool
+IdentityTransferFunction::about_equal (shared_ptr<const TransferFunction> other, double) const
+{
+ shared_ptr<const IdentityTransferFunction> o = dynamic_pointer_cast<const IdentityTransferFunction> (other);
+ return static_cast<bool>(o);
+}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp 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.
+
+ libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+/** @file src/identity_transfer_function.h
+ * @brief IdentityTransferFunction class.
+ */
+
+#include "transfer_function.h"
+
+namespace dcp {
+
+class IdentityTransferFunction : public TransferFunction
+{
+public:
+ bool about_equal (boost::shared_ptr<const TransferFunction> other, double epsilon) const;
+
+protected:
+ double * make_lut (int bit_depth, bool inverse) const;
+};
+
+}
--- /dev/null
+/*
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp 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.
+
+ libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+/** @file src/s_gamut3_transfer_function.cc
+ * @brief SGamut3TransferFunction class.
+ */
+
+#include "s_gamut3_transfer_function.h"
+#include <cmath>
+
+using std::pow;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using namespace dcp;
+
+double *
+SGamut3TransferFunction::make_lut (int bit_depth, bool inverse) const
+{
+ int const bit_length = int(std::pow(2.0f, bit_depth));
+ double* lut = new double[bit_length];
+ if (inverse) {
+ for (int i = 0; i < bit_length; ++i) {
+ double const p = static_cast<double> (i) / (bit_length - 1);
+ if (p >= (0.01125 / 1023)) {
+ lut[i] = (420 + log10((p + 0.01) / (0.18 + 0.01)) * 261.5) / 1023;
+ } else {
+ lut[i] = (p * (171.2102946929 - 95) / 0.01125000 + 95) / 1023;
+ }
+ }
+ } else {
+ for (int i = 0; i < bit_length; ++i) {
+ double const p = static_cast<double> (i) / (bit_length - 1);
+ if (p >= (171.2102946929 / 1023)) {
+ lut[i] = pow(10, ((p * 1023 - 420) / 261.5)) * (0.18 + 0.01) - 0.01;
+ } else {
+ lut[i] = (p * 1023 - 95) * 0.01125000 / (171.2102946929 - 95);
+ }
+ }
+ }
+ return lut;
+}
+
+bool
+SGamut3TransferFunction::about_equal (shared_ptr<const TransferFunction> other, double) const
+{
+ shared_ptr<const SGamut3TransferFunction> o = dynamic_pointer_cast<const SGamut3TransferFunction> (other);
+ return static_cast<bool> (o);
+}
--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of libdcp.
+
+ libdcp 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.
+
+ libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of portions of this program with the
+ OpenSSL library under certain conditions as described in each
+ individual source file, and distribute linked combinations
+ including the two.
+
+ You must obey the GNU General Public License in all respects
+ for all of the code used other than OpenSSL. If you modify
+ file(s) with this exception, you may extend this exception to your
+ version of the file(s), but you are not obligated to do so. If you
+ do not wish to do so, delete this exception statement from your
+ version. If you delete this exception statement from all source
+ files in the program, then also delete it here.
+*/
+
+/** @file src/s_gamut3_transfer_function.h
+ * @brief SGamut3TransferFunction class.
+ */
+
+#include "transfer_function.h"
+
+namespace dcp {
+
+class SGamut3TransferFunction : public TransferFunction
+{
+public:
+ bool about_equal (boost::shared_ptr<const TransferFunction> other, double epsilon) const;
+
+protected:
+ double * make_lut (int bit_depth, bool inverse) const;
+};
+
+}
file.cc
font_asset.cc
gamma_transfer_function.cc
+ identity_transfer_function.cc
interop_load_font_node.cc
interop_subtitle_asset.cc
j2k.cc
reel_subtitle_asset.cc
ref.cc
rgb_xyz.cc
+ s_gamut3_transfer_function.cc
smpte_load_font_node.cc
smpte_subtitle_asset.cc
sound_asset.cc
font_asset.h
frame.h
gamma_transfer_function.h
+ identity_transfer_function.h
interop_load_font_node.h
interop_subtitle_asset.h
j2k.h
reel_stereo_picture_asset.h
reel_subtitle_asset.h
ref.h
+ s_gamut3_transfer_function.h
smpte_load_font_node.h
smpte_subtitle_asset.h
sound_frame.h