* Author: Helge Norberg, helge.norberg@svt.se
*/
-#include "../../stdafx.h"
+#include "../../StdAfx.h"
#include "xml_scene_producer.h"
+#include "expression_parser.h"
#include <boost/filesystem.hpp>
+#include <boost/filesystem/fstream.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include <common/env.h>
#include <core/producer/frame_producer.h>
+#include <future>
+
#include "scene_producer.h"
namespace caspar { namespace core { namespace scene {
+void deduce_expression(variable& var, const variable_repository& repo)
+{
+ auto expr_str = var.original_expr();
+ auto trimmed = boost::trim_copy(expr_str);
+
+ if (boost::starts_with(trimmed, L"${") && boost::ends_with(trimmed, L"}"))
+ {
+ expr_str = trimmed.substr(2, expr_str.length() - 3);
+
+ if (var.is<double>())
+ var.as<double>().bind(parse_expression<double>(expr_str, repo));
+ else if (var.is<bool>())
+ var.as<bool>().bind(parse_expression<bool>(expr_str, repo));
+ else if (var.is<std::wstring>())
+ var.as<std::wstring>().bind(parse_expression<std::wstring>(expr_str, repo));
+ }
+ else if (!expr_str.empty())
+ {
+ var.from_string(expr_str);
+ }
+}
+
spl::shared_ptr<core::frame_producer> create_xml_scene_producer(
const spl::shared_ptr<core::frame_factory>& frame_factory,
const core::video_format_desc& format_desc,
if (params.empty())
return core::frame_producer::empty();
- std::wstring filename = env::media_folder() + L"\\" + params[0] + L".xml";
+ std::wstring filename = env::media_folder() + L"/" + params[0] + L".xml";
if (!boost::filesystem::is_regular_file(boost::filesystem::path(filename)))
return core::frame_producer::empty();
boost::property_tree::wptree root;
- std::wifstream file(filename);
+ boost::filesystem::wifstream file(filename);
boost::property_tree::read_xml(
file,
root,
auto scene = spl::make_shared<scene_producer>(width, height);
- BOOST_FOREACH(auto elem, root.get_child(L"scene.variables"))
+ for (auto elem : root.get_child(L"scene.variables"))
{
auto type = elem.second.get<std::wstring>(L"<xmlattr>.type");
-
- if (type == L"double")
- scene->create_variable<double>(
- L"variable." + elem.second.get<std::wstring>(L"<xmlattr>.id"),
- false,
- elem.second.get_value<std::wstring>());
+ auto id = elem.second.get<std::wstring>(L"<xmlattr>.id");
+ auto is_public = elem.second.get(L"<xmlattr>.public", false);
+ auto expr = elem.second.get_value<std::wstring>();
+
+ if (!is_public)
+ id = L"variable." + id;
+
+ if (type == L"number")
+ scene->create_variable<double>(id, is_public, expr);
+ else if (type == L"string")
+ scene->create_variable<std::wstring>(id, is_public, expr);
+ else if (type == L"bool")
+ scene->create_variable<bool>(id, is_public, expr);
}
- BOOST_FOREACH(auto elem, root.get_child(L"scene.layers"))
+ for (auto& elem : root.get_child(L"scene.layers"))
{
auto id = elem.second.get<std::wstring>(L"<xmlattr>.id");
auto producer = create_producer(frame_factory, format_desc, elem.second.get<std::wstring>(L"producer"));
layer.hidden = scene->create_variable<bool>(variable_prefix + L"hidden", false, elem.second.get(L"hidden", L"false"));
layer.position.x = scene->create_variable<double>(variable_prefix + L"x", false, elem.second.get<std::wstring>(L"x"));
layer.position.y = scene->create_variable<double>(variable_prefix + L"y", false, elem.second.get<std::wstring>(L"y"));
+ layer.anchor.x = scene->create_variable<double>(variable_prefix + L"anchor_x", false, elem.second.get<std::wstring>(L"anchor_x", L"0.0"));
+ layer.anchor.y = scene->create_variable<double>(variable_prefix + L"anchor_y", false, elem.second.get<std::wstring>(L"anchor_y", L"0.0"));
+ layer.rotation = scene->create_variable<double>(variable_prefix + L"rotation", false, elem.second.get<std::wstring>(L"rotation", L"0.0"));
+ layer.crop.upper_left.x = scene->create_variable<double>(variable_prefix + L"crop_upper_left_x", false, elem.second.get<std::wstring>(L"crop_upper_left_x", L"0.0"));
+ layer.crop.upper_left.y = scene->create_variable<double>(variable_prefix + L"crop_upper_left_y", false, elem.second.get<std::wstring>(L"crop_upper_left_y", L"0.0"));
+ layer.crop.lower_right.x = scene->create_variable<double>(variable_prefix + L"crop_lower_right_x", false, elem.second.get<std::wstring>(L"crop_lower_right_x", layer.producer.get()->pixel_constraints().width.as<std::wstring>().get()));
+ layer.crop.lower_right.y = scene->create_variable<double>(variable_prefix + L"crop_lower_right_y", false, elem.second.get<std::wstring>(L"crop_lower_right_y", layer.producer.get()->pixel_constraints().height.as<std::wstring>().get()));
+ layer.perspective.upper_left.x = scene->create_variable<double>(variable_prefix + L"perspective_upper_left_x", false, elem.second.get<std::wstring>(L"perspective_upper_left_x", L"0.0"));
+ layer.perspective.upper_left.y = scene->create_variable<double>(variable_prefix + L"perspective_upper_left_y", false, elem.second.get<std::wstring>(L"perspective_upper_left_y", L"0.0"));
+ layer.perspective.upper_right.x = scene->create_variable<double>(variable_prefix + L"perspective_upper_right_x", false, elem.second.get<std::wstring>(L"perspective_upper_right_x", layer.producer.get()->pixel_constraints().width.as<std::wstring>().get()));
+ layer.perspective.upper_right.y = scene->create_variable<double>(variable_prefix + L"perspective_upper_right_y", false, elem.second.get<std::wstring>(L"perspective_upper_right_y", L"0.0"));
+ layer.perspective.lower_right.x = scene->create_variable<double>(variable_prefix + L"perspective_lower_right_x", false, elem.second.get<std::wstring>(L"perspective_lower_right_x", layer.producer.get()->pixel_constraints().width.as<std::wstring>().get()));
+ layer.perspective.lower_right.y = scene->create_variable<double>(variable_prefix + L"perspective_lower_right_y", false, elem.second.get<std::wstring>(L"perspective_lower_right_y", layer.producer.get()->pixel_constraints().height.as<std::wstring>().get()));
+ layer.perspective.lower_left.x = scene->create_variable<double>(variable_prefix + L"perspective_lower_left_x", false, elem.second.get<std::wstring>(L"perspective_lower_left_x", L"0.0"));
+ layer.perspective.lower_left.y = scene->create_variable<double>(variable_prefix + L"perspective_lower_left_y", false, elem.second.get<std::wstring>(L"perspective_lower_left_y", layer.producer.get()->pixel_constraints().height.as<std::wstring>().get()));
+
+ layer.adjustments.opacity = scene->create_variable<double>(variable_prefix + L"adjustment.opacity", false, elem.second.get(L"adjustments.opacity", L"1.0"));
+ layer.is_key = scene->create_variable<bool>(variable_prefix + L"is_key", false, elem.second.get(L"is_key", L"false"));
+ layer.use_mipmap = scene->create_variable<bool>(variable_prefix + L"use_mipmap", false, elem.second.get(L"use_mipmap", L"false"));
+ layer.blend_mode = scene->create_variable<std::wstring>(variable_prefix + L"blend_mode", false, elem.second.get(L"blend_mode", L"normal")).transformed([](const std::wstring& b) { return get_blend_mode(b); });
scene->create_variable<double>(variable_prefix + L"width", false) = layer.producer.get()->pixel_constraints().width;
scene->create_variable<double>(variable_prefix + L"height", false) = layer.producer.get()->pixel_constraints().height;
+
+ for (auto& var_name : producer->get_variables())
+ {
+ auto& var = producer->get_variable(var_name);
+ auto expr = elem.second.get<std::wstring>(L"parameters." + var_name, L"");
+
+ if (var.is<double>())
+ scene->create_variable<double>(variable_prefix + L"parameter." + var_name, false, expr) = var.as<double>();
+ else if (var.is<std::wstring>())
+ scene->create_variable<std::wstring>(variable_prefix + L"parameter." + var_name, false, expr) = var.as<std::wstring>();
+ else if (var.is<bool>())
+ scene->create_variable<bool>(variable_prefix + L"parameter." + var_name, false, expr) = var.as<bool>();
+ }
}
- BOOST_FOREACH(auto& elem, root.get_child(L"scene.timelines"))
+ for (auto& elem : root.get_child(L"scene.timelines"))
{
auto& variable = scene->get_variable(elem.second.get<std::wstring>(L"<xmlattr>.variable"));
- BOOST_FOREACH(auto& k, elem.second)
+ for (auto& k : elem.second)
{
if (k.first == L"<xmlattr>")
continue;
}
}
- BOOST_FOREACH(auto& elem, root.get_child(L"scene.parameters"))
+ auto repo = [&scene](const std::wstring& name) -> variable&
{
- auto& variable = scene->get_variable(elem.second.get<std::wstring>(L"<xmlattr>.variable"));
- auto id = elem.second.get<std::wstring>(L"<xmlattr>.id");
+ return scene->get_variable(name);
+ };
- if (variable.is<double>())
- scene->create_variable<double>(id, true) = variable.as<double>();
- else if (variable.is<std::wstring>())
- scene->create_variable<std::wstring>(id, true) = variable.as<std::wstring>();
+ for (auto& var_name : scene->get_variables())
+ {
+ deduce_expression(scene->get_variable(var_name), repo);
}
+ auto params2 = params;
+ params2.erase(params2.begin());
+
+ scene->call(params2);
+
return scene;
}
projects / casparcg / blobdiff