#include <boost/property_tree/xml_parser.hpp>
#include <common/env.h>
+#include <common/os/filesystem.h>
+#include <common/filesystem.h>
+#include <common/ptree.h>
#include <core/producer/frame_producer.h>
+#include <core/help/help_repository.h>
+#include <core/help/help_sink.h>
#include <future>
+#include <vector>
#include "scene_producer.h"
#include "scene_cg_proxy.h"
}
}
-void init(module_dependencies dependencies)
+void describe_xml_scene_producer(core::help_sink& sink, const core::help_repository& repo)
{
- register_producer_factory(create_xml_scene_producer);
- dependencies.cg_registry->register_cg_producer(
- L"scene",
- { L".scene" },
- [](const std::wstring& filename) { return ""; },
- [](const spl::shared_ptr<core::frame_producer>& producer)
- {
- return spl::make_shared<core::scene::scene_cg_proxy>(producer);
- },
- [](
- const spl::shared_ptr<core::frame_factory>& factory,
- const core::video_format_desc& format_desc,
- const std::wstring& filename)
- {
- return create_xml_scene_producer(factory, format_desc, { filename });
- },
- false);
+ sink.short_description(L"A simple producer for dynamic graphics using .scene files.");
+ sink.syntax(L"[.scene_filename:string] {[param1:string] [value1:string]} {[param2:string] [value2:string]} ...");
+ sink.para()->text(L"A simple producer that looks in the ")->code(L"templates")->text(L" folder for .scene files.");
+ sink.para()->text(L"The .scene file is a simple XML document containing variables, layers and timelines.");
+ sink.example(L">> PLAY 1-10 scene_name_sign FIRSTNAME \"John\" LASTNAME \"Doe\"", L"loads and plays templates/scene_name_sign.scene and sets the variables FIRSTNAME and LASTNAME.");
+ sink.para()->text(L"The scene producer also supports setting the variables while playing via the CALL command:");
+ sink.example(L">> CALL 1-10 FIRSTNAME \"Jane\"", L"changes the variable FIRSTNAME on an already loaded scene.");
}
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,
+ const core::frame_producer_dependencies& dependencies,
const std::vector<std::wstring>& params)
{
if (params.empty())
return core::frame_producer::empty();
- std::wstring filename = env::template_folder() + L"/" + params.at(0) + L".scene";
-
- if (!boost::filesystem::is_regular_file(boost::filesystem::path(filename)))
+ auto found = find_case_insensitive(env::template_folder() + L"/" + params.at(0) + L".scene");
+ if (!found)
return core::frame_producer::empty();
+ auto filename = *found;
+ auto template_name = get_relative(filename, env::template_folder()).wstring();
+
+ CASPAR_SCOPED_CONTEXT_MSG(template_name + L": ");
+
boost::property_tree::wptree root;
boost::filesystem::wifstream file(filename);
boost::property_tree::read_xml(
boost::property_tree::xml_parser::trim_whitespace
| boost::property_tree::xml_parser::no_comments);
- int width = root.get<int>(L"scene.<xmlattr>.width");
- int height = root.get<int>(L"scene.<xmlattr>.height");
+ int width = ptree_get<int>(root, L"scene.<xmlattr>.width");
+ int height = ptree_get<int>(root, L"scene.<xmlattr>.height");
- auto scene = spl::make_shared<scene_producer>(width, height, format_desc);
+ auto scene = spl::make_shared<scene_producer>(L"scene", template_name, width, height, dependencies.format_desc);
- for (auto elem : root.get_child(L"scene.variables"))
+ for (auto elem : root | witerate_children(L"scene.variables") | welement_context_iteration)
{
- auto type = elem.second.get<std::wstring>(L"<xmlattr>.type");
- 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>();
+ ptree_verify_element_name(elem, L"variable");
+
+ auto type = ptree_get<std::wstring>(elem.second, L"<xmlattr>.type");
+ auto id = ptree_get<std::wstring>(elem.second, L"<xmlattr>.id");
+ auto is_public = elem.second.get(L"<xmlattr>.public", false);
+ auto expr = ptree_get_value<std::wstring>(elem.second);
if (!is_public)
id = L"variable." + id;
scene->create_variable<bool>(id, is_public, expr);
}
- for (auto& elem : root.get_child(L"scene.layers"))
+ for (auto& elem : root | witerate_children(L"scene.layers") | welement_context_iteration)
{
- 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"));
- auto& layer = scene->create_layer(producer, 0, 0, id);
- auto variable_prefix = L"layer." + id + L".";
-
- 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); });
- layer.chroma_key.key = scene->create_variable<std::wstring>(variable_prefix + L"chroma_key.key", false, elem.second.get(L"chroma_key.key", L"none")).transformed([](const std::wstring& k) { return get_chroma_mode(k); });
- layer.chroma_key.threshold = scene->create_variable<double>(variable_prefix + L"chroma_key.threshold", false, elem.second.get(L"chroma_key.threshold", L"0.0"));
- layer.chroma_key.softness = scene->create_variable<double>(variable_prefix + L"chroma_key.softness", false, elem.second.get(L"chroma_key.softness", L"0.0"));
- layer.chroma_key.spill = scene->create_variable<double>(variable_prefix + L"chroma_key.spill", false, elem.second.get(L"chroma_key.spill", L"0.0"));
-
- 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;
+ ptree_verify_element_name(elem, L"layer");
+
+ auto id = ptree_get<std::wstring>(elem.second, L"<xmlattr>.id");
+ auto producer_string = ptree_get<std::wstring>(elem.second, L"producer");
+ auto producer = [&]
+ {
+ CASPAR_SCOPED_CONTEXT_MSG(" -> ");
+ auto adjusted_dependencies = dependencies;
+ auto& adjusted_format_desc = adjusted_dependencies.format_desc;
+
+ adjusted_format_desc.field_mode = field_mode::progressive;
+ adjusted_format_desc.fps *= adjusted_format_desc.field_count;
+ adjusted_format_desc.duration /= adjusted_format_desc.field_count;
+ adjusted_format_desc.field_count = 1;
+
+ return dependencies.producer_registry->create_producer(adjusted_dependencies, producer_string);
+ }();
+ auto& layer = scene->create_layer(producer, 0, 0, id);
+ auto variable_prefix = L"layer." + id + L".";
+
+ auto overridden_width = elem.second.get<std::wstring>(L"width", L"");
+ if (!overridden_width.empty())
+ layer.producer.get()->pixel_constraints().width = scene->create_variable<double>(variable_prefix + L"width", false, overridden_width);
+ else
+ scene->create_variable<double>(variable_prefix + L"width", false) = layer.producer.get()->pixel_constraints().width;
+
+ auto overridden_height = elem.second.get<std::wstring>(L"height", L"");
+ if (!overridden_height.empty())
+ layer.producer.get()->pixel_constraints().height = scene->create_variable<double>(variable_prefix + L"height", false, overridden_height);
+ else
+ scene->create_variable<double>(variable_prefix + L"height", false) = layer.producer.get()->pixel_constraints().height;
+
+ 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, ptree_get<std::wstring>(elem.second, L"x"));
+ layer.position.y = scene->create_variable<double>(variable_prefix + L"y", false, ptree_get<std::wstring>(elem.second, 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.clip.upper_left.x = scene->create_variable<double>(variable_prefix + L"clip.upper_left_x", false, elem.second.get<std::wstring>(L"clip.upper_left_x", L"0.0"));
+ layer.clip.upper_left.y = scene->create_variable<double>(variable_prefix + L"clip.upper_left_y", false, elem.second.get<std::wstring>(L"clip.upper_left_y", L"0.0"));
+ layer.clip.lower_right.x = scene->create_variable<double>(variable_prefix + L"clip.lower_right_x", false, elem.second.get<std::wstring>(L"clip.lower_right_x", L"${scene_width}"));
+ layer.clip.lower_right.y = scene->create_variable<double>(variable_prefix + L"clip.lower_right_y", false, elem.second.get<std::wstring>(L"clip.lower_right_y", L"${scene_height}"));
+ 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", L"${" + variable_prefix + L"width}"));
+ layer.crop.lower_right.y = scene->create_variable<double>(variable_prefix + L"crop_lower_right_y", false, elem.second.get<std::wstring>(L"crop_lower_right_y", L"${" + variable_prefix + L"height}"));
+ 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", L"${" + variable_prefix + L"width}"));
+ layer.perspective.upper_right.y = scene->create_variable<double>(variable_prefix + L"perspective_upper_right_y", false, elem.second.get<std::wstring>(L"perspective_upper_right_y", L"0.0"));
+ layer.perspective.lower_right.x = scene->create_variable<double>(variable_prefix + L"perspective_lower_right_x", false, elem.second.get<std::wstring>(L"perspective_lower_right_x", L"${" + variable_prefix + L"width}"));
+ 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", L"${" + variable_prefix + L"height}"));
+ layer.perspective.lower_left.x = scene->create_variable<double>(variable_prefix + L"perspective_lower_left_x", false, elem.second.get<std::wstring>(L"perspective_lower_left_x", L"0.0"));
+ layer.perspective.lower_left.y = scene->create_variable<double>(variable_prefix + L"perspective_lower_left_y", false, elem.second.get<std::wstring>(L"perspective_lower_left_y", L"${" + variable_prefix + L"height}"));
+
+ layer.adjustments.opacity = scene->create_variable<double>(variable_prefix + L"adjustment.opacity", false, elem.second.get(L"adjustments.opacity", L"1.0"));
+ layer.adjustments.contrast = scene->create_variable<double>(variable_prefix + L"adjustment.contrast", false, elem.second.get(L"adjustments.contrast", L"1.0"));
+ layer.adjustments.saturation = scene->create_variable<double>(variable_prefix + L"adjustment.saturation", false, elem.second.get(L"adjustments.saturation", L"1.0"));
+ layer.adjustments.brightness = scene->create_variable<double>(variable_prefix + L"adjustment.brightness", false, elem.second.get(L"adjustments.brightness", L"1.0"));
+ layer.levels.min_input = scene->create_variable<double>(variable_prefix + L"level.min_input", false, elem.second.get(L"levels.min_input", L"0.0"));
+ layer.levels.max_input = scene->create_variable<double>(variable_prefix + L"level.max_input", false, elem.second.get(L"levels.max_input", L"1.0"));
+ layer.levels.gamma = scene->create_variable<double>(variable_prefix + L"level.gamma", false, elem.second.get(L"levels.gamma", L"1.0"));
+ layer.levels.min_output = scene->create_variable<double>(variable_prefix + L"level.min_output", false, elem.second.get(L"levels.min_output", L"0.0"));
+ layer.levels.max_output = scene->create_variable<double>(variable_prefix + L"level.max_output", false, elem.second.get(L"levels.max_output", L"1.0"));
+ layer.volume = scene->create_variable<double>(variable_prefix + L"volume", false, elem.second.get(L"volume", 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); });
+ layer.chroma_key.enable = scene->create_variable<bool>(variable_prefix + L"chroma_key.enable", false, elem.second.get(L"chroma_key.enable", L"false"));
+ layer.chroma_key.target_hue = scene->create_variable<double>(variable_prefix + L"chroma_key.target_hue", false, elem.second.get(L"chroma_key.target_hue", L"120.0"));
+ layer.chroma_key.hue_width = scene->create_variable<double>(variable_prefix + L"chroma_key.hue_width", false, elem.second.get(L"chroma_key.hue_width", L"0.1"));
+ layer.chroma_key.min_saturation = scene->create_variable<double>(variable_prefix + L"chroma_key.min_saturation", false, elem.second.get(L"chroma_key.min_saturation", L"0.0"));
+ layer.chroma_key.min_brightness = scene->create_variable<double>(variable_prefix + L"chroma_key.min_brightness", false, elem.second.get(L"chroma_key.min_brightness", L"0.0"));
+ layer.chroma_key.softness = scene->create_variable<double>(variable_prefix + L"chroma_key.softness", false, elem.second.get(L"chroma_key.softness", L"0.0"));
+ layer.chroma_key.spill_suppress = scene->create_variable<double>(variable_prefix + L"chroma_key.spill_suppress", false, elem.second.get(L"chroma_key.spill_suppress", L"0.0"));
+ layer.chroma_key.spill_suppress_saturation = scene->create_variable<double>(variable_prefix + L"chroma_key.spill_suppress_saturation", false, elem.second.get(L"chroma_key.spill_suppress_saturation", L"1.0"));
for (auto& var_name : producer->get_variables())
{
if (root.get_child_optional(L"scene.marks"))
{
- for (auto& mark : root.get_child(L"scene.marks"))
+ for (auto& mark : root | witerate_children(L"scene.marks") | welement_context_iteration)
{
- auto at = mark.second.get<int64_t>(L"<xmlattr>.at");
- auto type = get_mark_action(mark.second.get<std::wstring>(L"<xmlattr>.type"));
- auto label = mark.second.get(L"<xmlattr>.label", L"");
+ ptree_verify_element_name(mark, L"mark");
+
+ auto at = ptree_get<int64_t>(mark.second, L"<xmlattr>.at");
+ auto type = get_mark_action(ptree_get<std::wstring>(mark.second, L"<xmlattr>.type"));
+ auto label = mark.second.get(L"<xmlattr>.label", L"");
scene->add_mark(at, type, label);
}
}
- for (auto& elem : root.get_child(L"scene.timelines"))
+ if (root.get_child_optional(L"scene.timelines"))
{
- auto& variable = scene->get_variable(elem.second.get<std::wstring>(L"<xmlattr>.variable"));
-
- for (auto& k : elem.second)
+ for (auto& elem : root | witerate_children(L"scene.timelines") | welement_context_iteration)
{
- if (k.first == L"<xmlattr>")
- continue;
+ ptree_verify_element_name(elem, L"timeline");
+
+ auto variable_name = ptree_get<std::wstring>(elem.second, L"<xmlattr>.variable");
+ auto& variable = scene->get_variable(variable_name);
+
+ for (auto& k : elem.second)
+ {
+ if (k.first == L"<xmlattr>")
+ continue;
- auto easing = k.second.get(L"<xmlattr>.easing", L"");
- auto at = k.second.get<int64_t>(L"<xmlattr>.at");
+ ptree_verify_element_name(k, L"keyframe");
- if (variable.is<double>())
- scene->add_keyframe(variable.as<double>(), k.second.get_value<double>(), at, easing);
- else if (variable.is<int>())
- scene->add_keyframe(variable.as<int>(), k.second.get_value<int>(), at, easing);
+ auto easing = k.second.get(L"<xmlattr>.easing", L"");
+ auto at = ptree_get<int64_t>(k.second, L"<xmlattr>.at");
+
+ auto keyframe_variable_name = L"timeline." + variable_name + L"." + boost::lexical_cast<std::wstring>(at);
+
+ if (variable.is<double>())
+ scene->add_keyframe(variable.as<double>(), scene->create_variable<double>(keyframe_variable_name, false, ptree_get_value<std::wstring>(k.second)), at, easing);
+ else if (variable.is<int>())
+ scene->add_keyframe(variable.as<int>(), scene->create_variable<int>(keyframe_variable_name, false, ptree_get_value<std::wstring>(k.second)), at, easing);
+ }
}
}
auto repo = [&scene](const std::wstring& name) -> variable&
{
- return scene->get_variable(name);
+ return scene->get_variable(name);
};
+ int task_id = 0;
+ if (root.get_child_optional(L"scene.tasks"))
+ {
+ for (auto& task : root | witerate_children(L"scene.tasks") | welement_context_iteration)
+ {
+ auto at_frame = task.second.get_optional<int64_t>(L"<xmlattr>.at");
+ auto when = task.second.get_optional<std::wstring>(L"<xmlattr>.when");
+
+ binding<bool> condition;
+
+ if (at_frame)
+ condition = scene->timeline_frame() == *at_frame;
+ else if (when)
+ condition = scene->create_variable<bool>(L"tasks.task_" + boost::lexical_cast<std::wstring>(task_id), false, *when);
+ else
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Task elements must have either an at attribute or a when attribute"));
+
+ auto& element_name = task.first;
+
+ std::vector<std::wstring> call_params;
+
+ if (element_name == L"call")
+ {
+ for (auto& arg : task.second)
+ {
+ if (arg.first == L"<xmlattr>")
+ continue;
+
+ ptree_verify_element_name(arg, L"arg");
+ call_params.push_back(ptree_get_value<std::wstring>(arg.second));
+ }
+ }
+ else if (element_name == L"cg_play")
+ call_params.push_back(L"play()");
+ else if (element_name == L"cg_stop")
+ call_params.push_back(L"stop()");
+ else if (element_name == L"cg_next")
+ call_params.push_back(L"next()");
+ else if (element_name == L"cg_invoke")
+ {
+ call_params.push_back(L"invoke()");
+ call_params.push_back(ptree_get<std::wstring>(task.second, L"<xmlattr>.label"));
+ }
+ else if (element_name == L"goto_mark")
+ {
+ auto mark_label = ptree_get<std::wstring>(task.second, L"<xmlattr>.label");
+ auto weak_scene = static_cast<std::weak_ptr<scene_producer>>(scene);
+
+ scene->add_task(std::move(condition), [=]
+ {
+ auto strong = weak_scene.lock();
+
+ if (strong)
+ strong->call({ L"play()", mark_label });
+ });
+ }
+ else
+ CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"Only valid element names in <tasks /> are call, cg_play, cg_stop, cg_next, cg_invoke and goto_mark"));
+
+ if (!call_params.empty())
+ {
+ auto to_layer = ptree_get<std::wstring>(task.second, L"<xmlattr>.to_layer");
+ auto producer = scene->get_layer(to_layer).producer.get();
+
+ auto weak_producer = static_cast<std::weak_ptr<frame_producer>>(producer);
+
+ scene->add_task(std::move(condition), [=]
+ {
+ auto strong = weak_producer.lock();
+
+ if (strong)
+ strong->call(call_params);
+ });
+ }
+
+ ++task_id;
+ }
+ }
+
for (auto& var_name : scene->get_variables())
{
+ CASPAR_SCOPED_CONTEXT_MSG(L"/scene/variables/variable[@id=" + var_name + L"]/text()");
deduce_expression(scene->get_variable(var_name), repo);
}
return scene;
}
+void init(module_dependencies dependencies)
+{
+ dependencies.producer_registry->register_producer_factory(L"XML Scene Producer", create_xml_scene_producer, describe_xml_scene_producer);
+ dependencies.cg_registry->register_cg_producer(
+ L"scene",
+ { L".scene" },
+ [](const std::wstring& filename) { return ""; },
+ [](const spl::shared_ptr<core::frame_producer>& producer)
+ {
+ return spl::make_shared<core::scene::scene_cg_proxy>(producer);
+ },
+ [](
+ const core::frame_producer_dependencies& dependencies,
+ const std::wstring& filename)
+ {
+ return create_xml_scene_producer(dependencies, { filename });
+ },
+ false);
+}
+
}}}