#include "../StdAfx.h"
#include "frame_producer.h"
+#include "cg_proxy.h"
#include "../frame/draw_frame.h"
#include "../frame/frame_transform.h"
#include <boost/thread.hpp>
namespace caspar { namespace core {
-
struct frame_producer_registry::impl
{
std::vector<producer_factory_t> producer_factories;
- std::vector<producer_factory_t> thumbnail_factories;
+ std::vector<thumbnail_producer_t> thumbnail_producers;
spl::shared_ptr<help_repository> help_repo;
impl(spl::shared_ptr<help_repository> help_repo)
impl_->help_repo->register_item({ L"producer" }, std::move(name), describer);
}
-void frame_producer_registry::register_thumbnail_producer_factory(const producer_factory_t& factory)
+void frame_producer_registry::register_thumbnail_producer(const thumbnail_producer_t& thumbnail_producer)
{
- impl_->thumbnail_factories.push_back(factory);
+ impl_->thumbnail_producers.push_back(thumbnail_producer);
}
frame_producer_dependencies::frame_producer_dependencies(
const spl::shared_ptr<core::frame_factory>& frame_factory,
const std::vector<spl::shared_ptr<video_channel>>& channels,
const video_format_desc& format_desc,
- const spl::shared_ptr<const frame_producer_registry> producer_registry)
+ const spl::shared_ptr<const frame_producer_registry> producer_registry,
+ const spl::shared_ptr<const cg_producer_registry> cg_registry)
: frame_factory(frame_factory)
, channels(channels)
, format_desc(format_desc)
, producer_registry(producer_registry)
+ , cg_registry(cg_registry)
{
}
frame_number_ = 0;
paused_ = false;
}
-
+
draw_frame receive()
{
if(paused_)
{
return draw_frame::still(last_frame_);
}
- draw_frame create_thumbnail_frame()
- {
- return draw_frame::empty();
- }
};
frame_producer_base::frame_producer_base() : impl_(new impl(*this))
{
return impl_->last_frame();
}
-draw_frame frame_producer_base::create_thumbnail_frame()
-{
- return impl_->create_thumbnail_frame();
-}
-std::future<std::wstring> frame_producer_base::call(const std::vector<std::wstring>&)
+std::future<std::wstring> frame_producer_base::call(const std::vector<std::wstring>&)
{
CASPAR_THROW_EXCEPTION(not_supported());
}
return empty;
}
-const spl::shared_ptr<frame_producer>& frame_producer::empty()
+const spl::shared_ptr<frame_producer>& frame_producer::empty()
{
class empty_frame_producer : public frame_producer
{
void paused(bool value) override{}
uint32_t nb_frames() const override {return 0;}
std::wstring print() const override { return L"empty";}
- monitor::subject& monitor_output() override {static monitor::subject monitor_subject(""); return monitor_subject;}
+ monitor::subject& monitor_output() override {static monitor::subject monitor_subject(""); return monitor_subject;}
std::wstring name() const override {return L"empty";}
uint32_t frame_number() const override {return 0;}
std::future<std::wstring> call(const std::vector<std::wstring>& params) override{CASPAR_THROW_EXCEPTION(not_implemented());}
variable& get_variable(const std::wstring& name) override { CASPAR_THROW_EXCEPTION(not_implemented()); }
const std::vector<std::wstring>& get_variables() const override { static std::vector<std::wstring> empty; return empty; }
draw_frame last_frame() {return draw_frame::empty();}
- draw_frame create_thumbnail_frame() {return draw_frame::empty();}
constraints& pixel_constraints() override { static constraints c; return c; }
-
+
boost::property_tree::wptree info() const override
{
boost::property_tree::wptree info;
return producer;
}
+std::shared_ptr<executor>& producer_destroyer()
+{
+ static auto destroyer = []
+ {
+ auto result = std::make_shared<executor>(L"Producer destroyer");
+ result->set_capacity(std::numeric_limits<unsigned int>::max());
+ return result;
+ }();;
+
+ return destroyer;
+}
+
tbb::atomic<bool>& destroy_producers_in_separate_thread()
{
static tbb::atomic<bool> state;
void destroy_producers_synchronously()
{
destroy_producers_in_separate_thread() = false;
+ // Join destroyer, executing rest of producers in queue synchronously.
+ producer_destroyer().reset();
}
class destroy_producer_proxy : public frame_producer
-{
+{
std::shared_ptr<frame_producer> producer_;
public:
- destroy_producer_proxy(spl::shared_ptr<frame_producer>&& producer)
+ destroy_producer_proxy(spl::shared_ptr<frame_producer>&& producer)
: producer_(std::move(producer))
{
destroy_producers_in_separate_thread() = true;
virtual ~destroy_producer_proxy()
{
- static tbb::atomic<int> counter;
- static std::once_flag counter_init_once;
- std::call_once(counter_init_once, []{ counter = 0; });
-
if(producer_ == core::frame_producer::empty() || !destroy_producers_in_separate_thread())
return;
- ++counter;
- CASPAR_VERIFY(counter < 8);
-
+ auto destroyer = producer_destroyer();
+
+ if (!destroyer)
+ return;
+
+ CASPAR_VERIFY(destroyer->size() < 8);
+
auto producer = new spl::shared_ptr<frame_producer>(std::move(producer_));
- boost::thread([=]
+
+ destroyer->begin_invoke([=]
{
std::unique_ptr<spl::shared_ptr<frame_producer>> pointer_guard(producer);
auto str = (*producer)->print();
try
{
- ensure_gpf_handler_installed_for_thread(u8(L"Destroyer: " + str).c_str());
-
if (!producer->unique())
CASPAR_LOG(debug) << str << L" Not destroyed on asynchronous destruction thread: " << producer->use_count();
else
CASPAR_LOG(debug) << str << L" Destroying on asynchronous destruction thread.";
}
catch(...){}
-
+
try
{
pointer_guard.reset();
{
CASPAR_LOG_CURRENT_EXCEPTION();
}
-
- --counter;
- }).detach();
+ });
}
-
+
draw_frame receive() override {return producer_->receive();}
std::wstring print() const override {return producer_->print();}
void paused(bool value) override {producer_->paused(value);}
void leading_producer(const spl::shared_ptr<frame_producer>& producer) override {return producer_->leading_producer(producer);}
uint32_t nb_frames() const override {return producer_->nb_frames();}
draw_frame last_frame() {return producer_->last_frame();}
- draw_frame create_thumbnail_frame() {return producer_->create_thumbnail_frame();}
- monitor::subject& monitor_output() override {return producer_->monitor_output();}
+ monitor::subject& monitor_output() override {return producer_->monitor_output();}
bool collides(double x, double y) const override {return producer_->collides(x, y);}
void on_interaction(const interaction_event::ptr& event) override {return producer_->on_interaction(event);}
constraints& pixel_constraints() override {return producer_->pixel_constraints();}
{
if(params.empty())
CASPAR_THROW_EXCEPTION(invalid_argument() << msg_info("params cannot be empty"));
-
+
auto producer = frame_producer::empty();
std::any_of(factories.begin(), factories.end(), [&](const producer_factory_t& factory) -> bool
{
if(producer == frame_producer::empty())
return producer;
-
+
return producer;
}
-spl::shared_ptr<core::frame_producer> frame_producer_registry::create_thumbnail_producer(const frame_producer_dependencies& dependencies, const std::wstring& media_file) const
+draw_frame do_create_thumbnail_frame(
+ const frame_producer_dependencies& dependencies,
+ const std::wstring& media_file,
+ const std::vector<thumbnail_producer_t>& thumbnail_producers)
+{
+ for (auto& thumbnail_producer : thumbnail_producers)
+ {
+ auto frame = thumbnail_producer(dependencies, media_file);
+
+ if (frame != draw_frame::empty())
+ return frame;
+ }
+
+ return draw_frame::empty();
+}
+
+draw_frame frame_producer_registry::create_thumbnail(const frame_producer_dependencies& dependencies, const std::wstring& media_file) const
{
- auto& thumbnail_factories = impl_->thumbnail_factories;
+ auto& thumbnail_producers = impl_->thumbnail_producers;
std::vector<std::wstring> params;
params.push_back(media_file);
- auto producer = do_create_producer(dependencies, params, thumbnail_factories, true);
- auto key_producer = frame_producer::empty();
-
- try // to find a key file.
- {
- auto params_copy = params;
- if (params_copy.size() > 0)
- {
- params_copy[0] += L"_A";
- key_producer = do_create_producer(dependencies, params_copy, thumbnail_factories, true);
- if (key_producer == frame_producer::empty())
- {
- params_copy[0] += L"LPHA";
- key_producer = do_create_producer(dependencies, params_copy, thumbnail_factories, true);
- }
- }
- }
- catch(...){}
+ auto fill_frame = do_create_thumbnail_frame(dependencies, media_file, thumbnail_producers);
+ auto key_frame = do_create_thumbnail_frame(dependencies, media_file + L"_A", thumbnail_producers);
- if (producer != frame_producer::empty() && key_producer != frame_producer::empty())
- return create_separated_producer(producer, key_producer);
-
- return producer;
+ if (key_frame == draw_frame::empty())
+ key_frame = do_create_thumbnail_frame(dependencies, media_file + L"_ALPHA", thumbnail_producers);
+
+ if (fill_frame != draw_frame::empty() && key_frame != draw_frame::empty())
+ return draw_frame::mask(fill_frame, key_frame);
+
+ return fill_frame;
}
spl::shared_ptr<core::frame_producer> frame_producer_registry::create_producer(const frame_producer_dependencies& dependencies, const std::vector<std::wstring>& params) const
-{
+{
auto& producer_factories = impl_->producer_factories;
auto producer = do_create_producer(dependencies, params, producer_factories);
auto key_producer = frame_producer::empty();
-
- try // to find a key file.
+
+ if (!params.empty() && !boost::contains(params.at(0), L"://"))
{
- auto params_copy = params;
- if(params_copy.size() > 0)
+ try // to find a key file.
{
- params_copy[0] += L"_A";
- key_producer = do_create_producer(dependencies, params_copy, producer_factories);
- if(key_producer == frame_producer::empty())
+ auto params_copy = params;
+ if (params_copy.size() > 0)
{
- params_copy[0] += L"LPHA";
+ params_copy[0] += L"_A";
key_producer = do_create_producer(dependencies, params_copy, producer_factories);
+ if (key_producer == frame_producer::empty())
+ {
+ params_copy[0] += L"LPHA";
+ key_producer = do_create_producer(dependencies, params_copy, producer_factories);
+ }
}
}
+ catch (...) {}
}
- catch(...){}
if(producer != frame_producer::empty() && key_producer != frame_producer::empty())
return create_separated_producer(producer, key_producer);
-
+
if(producer == frame_producer::empty())
{
std::wstring str;
std::copy(iterator(iss), iterator(), std::back_inserter(tokens));
return create_producer(dependencies, tokens);
}
-
}}
projects / casparcg / blobdiff