/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
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/types.cc
+ * @brief Miscellaneous types
+ */
+
+
+#include "compose.hpp"
+#include "dcp_assert.h"
+#include "exceptions.h"
#include "raw_convert.h"
#include "types.h"
-#include "exceptions.h"
-#include "compose.hpp"
+#include "warnings.h"
+LIBDCP_DISABLE_WARNINGS
+#include <libxml++/libxml++.h>
+LIBDCP_ENABLE_WARNINGS
#include <boost/algorithm/string.hpp>
+#include <string>
#include <vector>
+#include <cmath>
#include <cstdio>
#include <iomanip>
-using namespace std;
+
+using std::string;
+using std::ostream;
+using std::vector;
using namespace dcp;
using namespace boost;
-/** Construct a Fraction from a string of the form <numerator> <denominator>
+
+bool dcp::operator== (dcp::Size const & a, dcp::Size const & b)
+{
+ return (a.width == b.width && a.height == b.height);
+}
+
+
+bool dcp::operator!= (dcp::Size const & a, dcp::Size const & b)
+{
+ return !(a == b);
+}
+
+
+/** Construct a Fraction from a string of the form "numerator denominator"
* e.g. "1 3".
*/
Fraction::Fraction (string s)
vector<string> b;
split (b, s, is_any_of (" "));
if (b.size() != 2) {
- boost::throw_exception (XMLError ("malformed fraction " + s + " in XML node"));
+ boost::throw_exception (XMLError("malformed fraction " + s + " in XML node"));
}
numerator = raw_convert<int> (b[0]);
denominator = raw_convert<int> (b[1]);
}
+
string
Fraction::as_string () const
{
return String::compose ("%1 %2", numerator, denominator);
}
+
bool
dcp::operator== (Fraction const & a, Fraction const & b)
{
return (a.numerator == b.numerator && a.denominator == b.denominator);
}
+
bool
dcp::operator!= (Fraction const & a, Fraction const & b)
{
return (a.numerator != b.numerator || a.denominator != b.denominator);
}
-ostream&
-dcp::operator<< (ostream& s, Fraction const & f)
-{
- s << f.numerator << "/" << f.denominator;
- return s;
-}
-
-/** Construct a Colour, initialising it to black. */
-Colour::Colour ()
- : r (0)
- , g (0)
- , b (0)
-{
-
-}
-/** Construct a Colour from R, G and B. The values run between
- * 0 and 255.
- */
Colour::Colour (int r_, int g_, int b_)
: r (r_)
, g (g_)
}
-/** Construct a Colour from an ARGB hex string; the alpha value is ignored.
- * @param argb_hex A string of the form AARRGGBB, where e.g. RR is a two-character
- * hex value.
- */
+
Colour::Colour (string argb_hex)
{
int alpha;
}
}
-/** @return An ARGB string of the form AARRGGBB, where e.g. RR is a two-character
- * hex value. The alpha value will always be FF (ie 255; maximum alpha).
- */
+
string
Colour::to_argb_string () const
{
- stringstream s;
- s << "FF";
- s << hex
- << setw(2) << setfill('0') << r
- << setw(2) << setfill('0') << g
- << setw(2) << setfill('0') << b;
+ char buffer[9];
+ snprintf (buffer, sizeof(buffer), "FF%02X%02X%02X", r, g, b);
+ return buffer;
+}
+
- string t = s.str();
- to_upper (t);
- return t;
+string
+Colour::to_rgb_string () const
+{
+ char buffer[7];
+ snprintf (buffer, sizeof(buffer), "%02X%02X%02X", r, g, b);
+ return buffer;
}
-/** operator== for Colours.
- * @param a First colour to compare.
- * @param b Second colour to compare.
- */
+
bool
dcp::operator== (Colour const & a, Colour const & b)
{
return (a.r == b.r && a.g == b.g && a.b == b.b);
}
-/** operator!= for Colours.
- * @param a First colour to compare.
- * @param b Second colour to compare.
- */
+
bool
dcp::operator!= (Colour const & a, Colour const & b)
{
return !(a == b);
}
-ostream &
-dcp::operator<< (ostream& s, Colour const & c)
-{
- s << "(" << c.r << ", " << c.g << ", " << c.b << ")";
- return s;
-}
string
dcp::effect_to_string (Effect e)
{
switch (e) {
- case NONE:
+ case Effect::NONE:
return "none";
- case BORDER:
+ case Effect::BORDER:
return "border";
- case SHADOW:
+ case Effect::SHADOW:
return "shadow";
}
- boost::throw_exception (MiscError ("unknown effect type"));
+ boost::throw_exception (MiscError("unknown effect type"));
}
+
Effect
dcp::string_to_effect (string s)
{
if (s == "none") {
- return NONE;
+ return Effect::NONE;
} else if (s == "border") {
- return BORDER;
+ return Effect::BORDER;
} else if (s == "shadow") {
- return SHADOW;
+ return Effect::SHADOW;
}
- boost::throw_exception (DCPReadError ("unknown subtitle effect type"));
+ boost::throw_exception (ReadError("unknown subtitle effect type"));
}
+
string
dcp::halign_to_string (HAlign h)
{
switch (h) {
- case HALIGN_LEFT:
+ case HAlign::LEFT:
return "left";
- case HALIGN_CENTER:
+ case HAlign::CENTER:
return "center";
- case HALIGN_RIGHT:
+ case HAlign::RIGHT:
return "right";
}
- boost::throw_exception (MiscError ("unknown subtitle halign type"));
+ boost::throw_exception (MiscError("unknown subtitle halign type"));
}
+
HAlign
dcp::string_to_halign (string s)
{
if (s == "left") {
- return HALIGN_LEFT;
+ return HAlign::LEFT;
} else if (s == "center") {
- return HALIGN_CENTER;
+ return HAlign::CENTER;
} else if (s == "right") {
- return HALIGN_RIGHT;
- }
-
- boost::throw_exception (DCPReadError ("unknown subtitle halign type"));
-}
-
-string
-dcp::valign_to_string (VAlign v)
-{
- switch (v) {
- case VALIGN_TOP:
- return "top";
- case VALIGN_CENTER:
- return "center";
- case VALIGN_BOTTOM:
- return "bottom";
+ return HAlign::RIGHT;
}
- boost::throw_exception (MiscError ("unknown subtitle valign type"));
+ boost::throw_exception (ReadError("unknown subtitle halign type"));
}
-VAlign
-dcp::string_to_valign (string s)
-{
- if (s == "top") {
- return VALIGN_TOP;
- } else if (s == "center") {
- return VALIGN_CENTER;
- } else if (s == "bottom") {
- return VALIGN_BOTTOM;
- }
-
- boost::throw_exception (DCPReadError ("unknown subtitle valign type"));
-}
string
dcp::direction_to_string (Direction v)
{
switch (v) {
- case DIRECTION_LTR:
+ case Direction::LTR:
return "ltr";
- case DIRECTION_RTL:
+ case Direction::RTL:
return "rtl";
- case DIRECTION_TTB:
+ case Direction::TTB:
return "ttb";
- case DIRECTION_BTT:
+ case Direction::BTT:
return "btt";
}
- boost::throw_exception (MiscError ("unknown subtitle direction type"));
+ boost::throw_exception (MiscError("unknown subtitle direction type"));
}
+
Direction
dcp::string_to_direction (string s)
{
if (s == "ltr" || s == "horizontal") {
- return DIRECTION_LTR;
+ return Direction::LTR;
} else if (s == "rtl") {
- return DIRECTION_RTL;
+ return Direction::RTL;
} else if (s == "ttb" || s == "vertical") {
- return DIRECTION_TTB;
+ return Direction::TTB;
} else if (s == "btt") {
- return DIRECTION_BTT;
+ return Direction::BTT;
+ }
+
+ boost::throw_exception (ReadError("unknown subtitle direction type"));
+}
+
+
+string
+dcp::marker_to_string (dcp::Marker m)
+{
+ switch (m) {
+ case Marker::FFOC:
+ return "FFOC";
+ case Marker::LFOC:
+ return "LFOC";
+ case Marker::FFTC:
+ return "FFTC";
+ case Marker::LFTC:
+ return "LFTC";
+ case Marker::FFOI:
+ return "FFOI";
+ case Marker::LFOI:
+ return "LFOI";
+ case Marker::FFEC:
+ return "FFEC";
+ case Marker::LFEC:
+ return "LFEC";
+ case Marker::FFMC:
+ return "FFMC";
+ case Marker::LFMC:
+ return "LFMC";
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+dcp::Marker
+dcp::marker_from_string (string s)
+{
+ if (s == "FFOC") {
+ return Marker::FFOC;
+ } else if (s == "LFOC") {
+ return Marker::LFOC;
+ } else if (s == "FFTC") {
+ return Marker::FFTC;
+ } else if (s == "LFTC") {
+ return Marker::LFTC;
+ } else if (s == "FFOI") {
+ return Marker::FFOI;
+ } else if (s == "LFOI") {
+ return Marker::LFOI;
+ } else if (s == "FFEC") {
+ return Marker::FFEC;
+ } else if (s == "LFEC") {
+ return Marker::LFEC;
+ } else if (s == "FFMC") {
+ return Marker::FFMC;
+ } else if (s == "LFMC") {
+ return Marker::LFMC;
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+ContentVersion::ContentVersion ()
+ : id ("urn:uuid:" + make_uuid())
+{
+
+}
+
+
+ContentVersion::ContentVersion (cxml::ConstNodePtr node)
+ : id(node->string_child("Id"))
+ , label_text(node->string_child("LabelText"))
+{
+
+}
+
+
+ContentVersion::ContentVersion (string label_text_)
+ : id ("urn:uuid:" + make_uuid())
+ , label_text (label_text_)
+{
+
+}
+
+
+void
+ContentVersion::as_xml (xmlpp::Element* parent) const
+{
+ auto cv = parent->add_child("ContentVersion");
+ cv->add_child("Id")->add_child_text(id);
+ cv->add_child("LabelText")->add_child_text(label_text);
+}
+
+
+Luminance::Luminance (cxml::ConstNodePtr node)
+ : _value(raw_convert<float>(node->content()))
+ , _unit(string_to_unit(node->string_attribute("units")))
+{
+
+}
+
+
+Luminance::Luminance (float value, Unit unit)
+ : _unit (unit)
+{
+ set_value (value);
+}
+
+
+void
+Luminance::set_value (float v)
+{
+ if (v < 0) {
+ throw dcp::MiscError (String::compose("Invalid luminance value %1", v));
+ }
+
+ _value = v;
+}
+
+
+void
+Luminance::as_xml (xmlpp::Element* parent, string ns) const
+{
+ auto lum = parent->add_child("Luminance", ns);
+ lum->set_attribute("units", unit_to_string(_unit));
+ lum->add_child_text(raw_convert<string>(_value, 3));
+}
+
+
+string
+Luminance::unit_to_string (Unit u)
+{
+ switch (u) {
+ case Unit::CANDELA_PER_SQUARE_METRE:
+ return "candela-per-square-metre";
+ case Unit::FOOT_LAMBERT:
+ return "foot-lambert";
+ default:
+ DCP_ASSERT (false);
+ }
+
+ return {};
+}
+
+
+Luminance::Unit
+Luminance::string_to_unit (string u)
+{
+ if (u == "candela-per-square-metre") {
+ return Unit::CANDELA_PER_SQUARE_METRE;
+ } else if (u == "foot-lambert") {
+ return Unit::FOOT_LAMBERT;
+ }
+
+ throw XMLError (String::compose("Invalid luminance unit %1", u));
+}
+
+
+float
+Luminance::value_in_foot_lamberts () const
+{
+ switch (_unit) {
+ case Unit::CANDELA_PER_SQUARE_METRE:
+ return _value / 3.426;
+ case Unit::FOOT_LAMBERT:
+ return _value;
+ default:
+ DCP_ASSERT (false);
+ }
+}
+
+
+bool
+dcp::operator== (Luminance const& a, Luminance const& b)
+{
+ return fabs(a.value() - b.value()) < 0.001 && a.unit() == b.unit();
+}
+
+
+MainSoundConfiguration::MainSoundConfiguration (string s)
+{
+ vector<string> parts;
+ boost::split (parts, s, boost::is_any_of("/"));
+ if (parts.empty()) {
+ throw MainSoundConfigurationError(s);
+ }
+
+ if (parts[0] == "51") {
+ _field = MCASoundField::FIVE_POINT_ONE;
+ } else if (parts[0] == "71") {
+ _field = MCASoundField::SEVEN_POINT_ONE;
+ } else {
+ _field = MCASoundField::OTHER;
+ }
+
+ if (parts.size() < 2) {
+ /* I think it's OK to just have the sound field descriptor with no channels, though
+ * to me it's not clear and I might be wrong.
+ */
+ return;
+ }
+
+ vector<string> channels;
+ boost::split (channels, parts[1], boost::is_any_of(","));
+
+ if (channels.size() > 16) {
+ throw MainSoundConfigurationError (s);
+ }
+
+ for (auto i: channels) {
+ if (i == "-") {
+ _channels.push_back(optional<Channel>());
+ } else {
+ _channels.push_back(mca_id_to_channel(i));
+ }
+ }
+}
+
+
+MainSoundConfiguration::MainSoundConfiguration (MCASoundField field, int channels)
+ : _field (field)
+{
+ _channels.resize (channels);
+}
+
+
+string
+MainSoundConfiguration::to_string () const
+{
+ string c;
+ switch (_field) {
+ case MCASoundField::FIVE_POINT_ONE:
+ c = "51/";
+ break;
+ case MCASoundField::SEVEN_POINT_ONE:
+ c = "71/";
+ break;
+ default:
+ DCP_ASSERT(false);
+ }
+
+ for (auto i: _channels) {
+ if (!i) {
+ c += "-,";
+ } else {
+ c += channel_to_mca_id(*i, _field) + ",";
+ }
+ }
+
+ if (c.length() > 0) {
+ c = c.substr(0, c.length() - 1);
+ }
+
+ return c;
+}
+
+
+optional<Channel>
+MainSoundConfiguration::mapping (int index) const
+{
+ DCP_ASSERT (static_cast<size_t>(index) < _channels.size());
+ return _channels[index];
+}
+
+
+void
+MainSoundConfiguration::set_mapping (int index, Channel c)
+{
+ DCP_ASSERT (static_cast<size_t>(index) < _channels.size());
+ _channels[index] = c;
+}
+
+
+string
+dcp::status_to_string (Status s)
+{
+ switch (s) {
+ case Status::FINAL:
+ return "final";
+ case Status::TEMP:
+ return "temp";
+ case Status::PRE:
+ return "pre";
+ default:
+ DCP_ASSERT (false);
}
+}
+
- boost::throw_exception (DCPReadError ("unknown subtitle direction type"));
+Status
+dcp::string_to_status (string s)
+{
+ if (s == "final") {
+ return Status::FINAL;
+ } else if (s == "temp") {
+ return Status::TEMP;
+ } else if (s == "pre") {
+ return Status::PRE;
+ }
+
+ DCP_ASSERT (false);
}
+
+
+Channel
+dcp::mca_id_to_channel (string id)
+{
+ transform(id.begin(), id.end(), id.begin(), ::tolower);
+
+ if (id == "l") {
+ return Channel::LEFT;
+ } else if (id == "r") {
+ return Channel::RIGHT;
+ } else if (id == "c") {
+ return Channel::CENTRE;
+ } else if (id == "lfe") {
+ return Channel::LFE;
+ } else if (id == "ls" || id == "lss") {
+ return Channel::LS;
+ } else if (id == "rs" || id == "rss") {
+ return Channel::RS;
+ } else if (id == "hi") {
+ return Channel::HI;
+ } else if (id == "vin") {
+ return Channel::VI;
+ } else if (id == "lrs") {
+ return Channel::BSL;
+ } else if (id == "rrs") {
+ return Channel::BSR;
+ } else if (id == "dbox") {
+ return Channel::MOTION_DATA;
+ } else if (id == "sync" || id == "fsksync") {
+ return Channel::SYNC_SIGNAL;
+ } else if (id == "slvs") {
+ return Channel::SIGN_LANGUAGE;
+ }
+
+ throw UnknownChannelIdError (id);
+}
+
+
+string
+dcp::channel_to_mca_id (Channel c, MCASoundField field)
+{
+ switch (c) {
+ case Channel::LEFT:
+ return "L";
+ case Channel::RIGHT:
+ return "R";
+ case Channel::CENTRE:
+ return "C";
+ case Channel::LFE:
+ return "LFE";
+ case Channel::LS:
+ return field == MCASoundField::FIVE_POINT_ONE ? "Ls" : "Lss";
+ case Channel::RS:
+ return field == MCASoundField::FIVE_POINT_ONE ? "Rs" : "Rss";
+ case Channel::HI:
+ return "HI";
+ case Channel::VI:
+ return "VIN";
+ case Channel::BSL:
+ return "Lrs";
+ case Channel::BSR:
+ return "Rrs";
+ case Channel::MOTION_DATA:
+ return "DBOX";
+ case Channel::SYNC_SIGNAL:
+ return "FSKSync";
+ case Channel::SIGN_LANGUAGE:
+ return "SLVS";
+ default:
+ break;
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+string
+dcp::channel_to_mca_name (Channel c, MCASoundField field)
+{
+ switch (c) {
+ case Channel::LEFT:
+ return "Left";
+ case Channel::RIGHT:
+ return "Right";
+ case Channel::CENTRE:
+ return "Center";
+ case Channel::LFE:
+ return "LFE";
+ case Channel::LS:
+ return field == MCASoundField::FIVE_POINT_ONE ? "Left Surround" : "Left Side Surround";
+ case Channel::RS:
+ return field == MCASoundField::FIVE_POINT_ONE ? "Right Surround" : "Right Side Surround";
+ case Channel::HI:
+ return "Hearing Impaired";
+ case Channel::VI:
+ return "Visually Impaired-Narrative";
+ case Channel::BSL:
+ return "Left Rear Surround";
+ case Channel::BSR:
+ return "Right Rear Surround";
+ case Channel::MOTION_DATA:
+ return "D-BOX Motion Code Primary Stream";
+ case Channel::SYNC_SIGNAL:
+ return "FSK Sync";
+ case Channel::SIGN_LANGUAGE:
+ return "Sign Language Video Stream";
+ default:
+ break;
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+ASDCP::UL
+dcp::channel_to_mca_universal_label (Channel c, MCASoundField field, ASDCP::Dictionary const* dict)
+{
+ static byte_t sync_signal[] = {
+ 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x0d, 0x03, 0x02, 0x01, 0x10, 0x00, 0x00, 0x00, 0x00
+ };
+
+ static byte_t sign_language[] = {
+ 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x0d, 0x0d, 0x0f, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00
+ };
+
+ switch (c) {
+ case Channel::LEFT:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_L);
+ case Channel::RIGHT:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_R);
+ case Channel::CENTRE:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_C);
+ case Channel::LFE:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_LFE);
+ case Channel::LS:
+ return dict->ul(field == MCASoundField::FIVE_POINT_ONE ? ASDCP::MDD_DCAudioChannel_Ls : ASDCP::MDD_DCAudioChannel_Lss);
+ case Channel::RS:
+ return dict->ul(field == MCASoundField::FIVE_POINT_ONE ? ASDCP::MDD_DCAudioChannel_Rs : ASDCP::MDD_DCAudioChannel_Rss);
+ case Channel::HI:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_HI);
+ case Channel::VI:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_VIN);
+ case Channel::BSL:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_Lrs);
+ case Channel::BSR:
+ return dict->ul(ASDCP::MDD_DCAudioChannel_Rrs);
+ case Channel::MOTION_DATA:
+ return dict->ul(ASDCP::MDD_DBOXMotionCodePrimaryStream);
+ case Channel::SYNC_SIGNAL:
+ return ASDCP::UL(sync_signal);
+ case Channel::SIGN_LANGUAGE:
+ return ASDCP::UL(sign_language);
+ default:
+ break;
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+vector<dcp::Channel>
+dcp::used_audio_channels ()
+{
+ return {
+ Channel::LEFT,
+ Channel::RIGHT,
+ Channel::CENTRE,
+ Channel::LFE,
+ Channel::LS,
+ Channel::RS,
+ Channel::HI,
+ Channel::VI,
+ Channel::BSL,
+ Channel::BSR,
+ Channel::MOTION_DATA,
+ Channel::SYNC_SIGNAL,
+ Channel::SIGN_LANGUAGE
+ };
+}
+
+
+string
+dcp::formulation_to_string (dcp::Formulation formulation)
+{
+ switch (formulation) {
+ case Formulation::MODIFIED_TRANSITIONAL_1:
+ return "modified-transitional-1";
+ case Formulation::MULTIPLE_MODIFIED_TRANSITIONAL_1:
+ return "multiple-modified-transitional-1";
+ case Formulation::DCI_ANY:
+ return "dci-any";
+ case Formulation::DCI_SPECIFIC:
+ return "dci-specific";
+ }
+
+ DCP_ASSERT (false);
+}
+
+
+dcp::Formulation
+dcp::string_to_formulation (string formulation)
+{
+ if (formulation == "modified-transitional-1") {
+ return Formulation::MODIFIED_TRANSITIONAL_1;
+ } else if (formulation == "multiple-modified-transitional-1") {
+ return Formulation::MULTIPLE_MODIFIED_TRANSITIONAL_1;
+ } else if (formulation == "dci-any") {
+ return Formulation::DCI_ANY;
+ } else if (formulation == "dci-specific") {
+ return Formulation::DCI_SPECIFIC;
+ }
+
+ DCP_ASSERT (false);
+}
+
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