/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright 2013 Sveriges Television AB http://casparcg.com/\r
*\r
-* This file is part of CasparCG.\r
+* This file is part of CasparCG (www.casparcg.com).\r
*\r
-* CasparCG is free software: you can redistribute it and/or modify\r
-* it under the terms of the GNU General Public License as published by\r
-* the Free Software Foundation, either version 3 of the License, or\r
-* (at your option) any later version.\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
*\r
-* CasparCG is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-\r
-* You should have received a copy of the GNU General Public License\r
-* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+* GNU General Public License for more details.\r
+*\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
*\r
+* Author: Robert Nagy, ronag89@gmail.com\r
*/\r
\r
#include "../StdAfx.h"\r
\r
#include "frame_producer.h"\r
#include "frame/basic_frame.h"\r
-#include "frame/audio_transform.h"\r
+#include "frame/frame_transform.h"\r
+\r
+#include "../parameters/parameters.h"\r
\r
#include "color/color_producer.h"\r
#include "separated/separated_producer.h"\r
\r
#include <common/memory/safe_ptr.h>\r
+#include <common/concurrency/executor.h>\r
#include <common/exception/exceptions.h>\r
+#include <common/utility/move_on_copy.h>\r
\r
namespace caspar { namespace core {\r
\r
std::vector<const producer_factory_t> g_factories;\r
+std::vector<const producer_factory_t> g_thumbnail_factories;\r
+ \r
+class destroy_producer_proxy : public frame_producer\r
+{ \r
+ std::unique_ptr<std::shared_ptr<frame_producer>> producer_;\r
+public:\r
+ destroy_producer_proxy(safe_ptr<frame_producer>&& producer) \r
+ : producer_(new std::shared_ptr<frame_producer>(std::move(producer)))\r
+ {\r
+ }\r
\r
-const safe_ptr<frame_producer>& frame_producer::empty() // nothrow\r
+ ~destroy_producer_proxy()\r
+ { \r
+ static auto destroyers = std::make_shared<tbb::concurrent_bounded_queue<std::shared_ptr<executor>>>();\r
+ static tbb::atomic<int> destroyer_count;\r
+\r
+ try\r
+ {\r
+ std::shared_ptr<executor> destroyer;\r
+ if(!destroyers->try_pop(destroyer))\r
+ {\r
+ destroyer.reset(new executor(L"destroyer"));\r
+ destroyer->set_priority_class(below_normal_priority_class);\r
+ if(++destroyer_count > 16)\r
+ CASPAR_LOG(warning) << L"Potential destroyer dead-lock detected.";\r
+ CASPAR_LOG(trace) << "Created destroyer: " << destroyer_count;\r
+ }\r
+ \r
+ auto producer = producer_.release();\r
+ auto pool = destroyers;\r
+ destroyer->begin_invoke([=]\r
+ {\r
+ std::unique_ptr<std::shared_ptr<frame_producer>> producer2(producer);\r
+\r
+ auto str = (*producer2)->print();\r
+ try\r
+ {\r
+ if(!producer->unique())\r
+ CASPAR_LOG(trace) << str << L" Not destroyed on asynchronous destruction thread: " << producer->use_count();\r
+ else\r
+ CASPAR_LOG(trace) << str << L" Destroying on asynchronous destruction thread.";\r
+ }\r
+ catch(...){}\r
+ \r
+ producer2.reset();\r
+ pool->push(destroyer);\r
+ }); \r
+ }\r
+ catch(...)\r
+ {\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ try\r
+ {\r
+ producer_.reset();\r
+ }\r
+ catch(...){}\r
+ }\r
+ }\r
+\r
+ virtual safe_ptr<basic_frame> receive(int hints) override {return (*producer_)->receive(hints);}\r
+ virtual safe_ptr<basic_frame> last_frame() const override {return (*producer_)->last_frame();}\r
+ virtual safe_ptr<basic_frame> create_thumbnail_frame() override {return (*producer_)->create_thumbnail_frame();}\r
+ virtual std::wstring print() const override {return (*producer_)->print();}\r
+ virtual boost::property_tree::wptree info() const override {return (*producer_)->info();}\r
+ virtual boost::unique_future<std::wstring> call(const std::wstring& str) override {return (*producer_)->call(str);}\r
+ virtual safe_ptr<frame_producer> get_following_producer() const override {return (*producer_)->get_following_producer();}\r
+ virtual void set_leading_producer(const safe_ptr<frame_producer>& producer) override {(*producer_)->set_leading_producer(producer);}\r
+ virtual uint32_t nb_frames() const override {return (*producer_)->nb_frames();}\r
+ virtual monitor::source& monitor_output() {return (*producer_)->monitor_output();}\r
+};\r
+\r
+safe_ptr<core::frame_producer> create_producer_destroy_proxy(safe_ptr<core::frame_producer> producer)\r
{\r
- struct empty_frame_producer : public frame_producer\r
+ return make_safe<destroy_producer_proxy>(std::move(producer));\r
+}\r
+\r
+class print_producer_proxy : public frame_producer\r
+{ \r
+ std::shared_ptr<frame_producer> producer_;\r
+public:\r
+ print_producer_proxy(safe_ptr<frame_producer>&& producer) \r
+ : producer_(std::move(producer))\r
+ {\r
+ CASPAR_LOG(info) << producer_->print() << L" Initialized.";\r
+ }\r
+\r
+ ~print_producer_proxy()\r
+ { \r
+ auto str = producer_->print();\r
+ CASPAR_LOG(trace) << str << L" Uninitializing.";\r
+ producer_.reset();\r
+ CASPAR_LOG(info) << str << L" Uninitialized.";\r
+ }\r
+\r
+ virtual safe_ptr<basic_frame> receive(int hints) override {return (producer_)->receive(hints);}\r
+ virtual safe_ptr<basic_frame> last_frame() const override {return (producer_)->last_frame();}\r
+ virtual safe_ptr<basic_frame> create_thumbnail_frame() override {return (producer_)->create_thumbnail_frame();}\r
+ virtual std::wstring print() const override {return (producer_)->print();}\r
+ virtual boost::property_tree::wptree info() const override {return (producer_)->info();}\r
+ virtual boost::unique_future<std::wstring> call(const std::wstring& str) override {return (producer_)->call(str);}\r
+ virtual safe_ptr<frame_producer> get_following_producer() const override {return (producer_)->get_following_producer();}\r
+ virtual void set_leading_producer(const safe_ptr<frame_producer>& producer) override {(producer_)->set_leading_producer(producer);}\r
+ virtual uint32_t nb_frames() const override {return (producer_)->nb_frames();}\r
+ virtual monitor::source& monitor_output() {return (producer_)->monitor_output();}\r
+};\r
+\r
+safe_ptr<core::frame_producer> create_producer_print_proxy(safe_ptr<core::frame_producer> producer)\r
+{\r
+ return make_safe<print_producer_proxy>(std::move(producer));\r
+}\r
+\r
+class last_frame_producer : public frame_producer\r
+{\r
+ const std::wstring print_;\r
+ const safe_ptr<basic_frame> frame_;\r
+ const uint32_t nb_frames_;\r
+public:\r
+ last_frame_producer(const safe_ptr<frame_producer>& producer) \r
+ : print_(producer->print())\r
+ , frame_(producer->last_frame() != basic_frame::eof() ? producer->last_frame() : basic_frame::empty())\r
+ , nb_frames_(producer->nb_frames())\r
{\r
- virtual safe_ptr<basic_frame> receive(int){return basic_frame::empty();}\r
- virtual safe_ptr<basic_frame> last_frame() const{return basic_frame::empty();}\r
- virtual void set_frame_factory(const safe_ptr<frame_factory>&){}\r
- virtual int64_t nb_frames() const {return 0;}\r
- virtual std::wstring print() const { return L"empty";}\r
- };\r
+ }\r
+ \r
+ virtual safe_ptr<basic_frame> receive(int){return frame_;}\r
+ virtual safe_ptr<core::basic_frame> last_frame() const{return frame_;}\r
+ virtual safe_ptr<core::basic_frame> create_thumbnail_frame() {return frame_;}\r
+ virtual std::wstring print() const{return L"dummy[" + print_ + L"]";}\r
+ virtual uint32_t nb_frames() const {return nb_frames_;} \r
+ virtual boost::property_tree::wptree info() const override\r
+ {\r
+ boost::property_tree::wptree info;\r
+ info.add(L"type", L"last-frame-producer");\r
+ return info;\r
+ }\r
+ virtual monitor::source& monitor_output()\r
+ {\r
+ static monitor::subject monitor_subject("");\r
+ return monitor_subject;\r
+ }\r
+};\r
+\r
+struct empty_frame_producer : public frame_producer\r
+{\r
+ virtual safe_ptr<basic_frame> receive(int){return basic_frame::empty();}\r
+ virtual safe_ptr<basic_frame> last_frame() const{return basic_frame::empty();}\r
+ virtual void set_frame_factory(const safe_ptr<frame_factory>&){}\r
+ virtual uint32_t nb_frames() const {return 0;}\r
+ virtual std::wstring print() const { return L"empty";}\r
+ \r
+ virtual boost::property_tree::wptree info() const override\r
+ {\r
+ boost::property_tree::wptree info;\r
+ info.add(L"type", L"empty-producer");\r
+ return info;\r
+ }\r
+\r
+ virtual monitor::source& monitor_output()\r
+ {\r
+ static monitor::subject monitor_subject("");\r
+ return monitor_subject;\r
+ }\r
+};\r
+\r
+const safe_ptr<frame_producer>& frame_producer::empty() // nothrow\r
+{\r
static safe_ptr<frame_producer> producer = make_safe<empty_frame_producer>();\r
return producer;\r
-} \r
+}\r
+\r
+safe_ptr<basic_frame> frame_producer::create_thumbnail_frame()\r
+{\r
+ return basic_frame::empty();\r
+}\r
\r
safe_ptr<basic_frame> receive_and_follow(safe_ptr<frame_producer>& producer, int hints)\r
{ \r
{\r
CASPAR_LOG(info) << producer->print() << " End Of File.";\r
auto following = producer->get_following_producer();\r
- following->set_leading_producer(producer);\r
- producer = std::move(following); \r
- \r
- if(producer == frame_producer::empty())\r
- return basic_frame::eof();\r
+ if(following != frame_producer::empty())\r
+ {\r
+ following->set_leading_producer(producer);\r
+ producer = std::move(following);\r
+ }\r
+ else\r
+ producer = make_safe<last_frame_producer>(producer);\r
\r
return receive_and_follow(producer, hints);\r
}\r
g_factories.push_back(factory);\r
}\r
\r
-safe_ptr<core::frame_producer> do_create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
+void register_thumbnail_producer_factory(const producer_factory_t& factory)\r
+{\r
+ g_thumbnail_factories.push_back(factory);\r
+}\r
+\r
+safe_ptr<core::frame_producer> do_create_producer(const safe_ptr<frame_factory>& my_frame_factory, const core::parameters& params, const std::vector<const producer_factory_t>& factories, bool throw_on_fail = false)\r
{\r
if(params.empty())\r
BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("params") << arg_value_info(""));\r
\r
auto producer = frame_producer::empty();\r
- std::any_of(g_factories.begin(), g_factories.end(), [&](const producer_factory_t& factory) -> bool\r
+ std::any_of(factories.begin(), factories.end(), [&](const producer_factory_t& factory) -> bool\r
{\r
try\r
{\r
}\r
catch(...)\r
{\r
- //CASPAR_LOG_CURRENT_EXCEPTION();\r
+ if (throw_on_fail)\r
+ throw;\r
+ else\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
}\r
return producer != frame_producer::empty();\r
});\r
\r
if(producer == frame_producer::empty())\r
producer = create_color_producer(my_frame_factory, params);\r
+ return producer;\r
+}\r
+\r
+safe_ptr<core::frame_producer> create_producer(const safe_ptr<frame_factory>& my_frame_factory, const core::parameters& params)\r
+{ \r
+ auto producer = do_create_producer(my_frame_factory, params, g_factories);\r
+ auto key_producer = frame_producer::empty();\r
+ \r
+ std::wstring resource_name = L"";\r
+ auto tokens = parameters::protocol_split(params.at_original(0));\r
+ if (tokens[0].empty())\r
+ {\r
+ resource_name = params.at_original(0);\r
+ }\r
+\r
+ if(!resource_name.empty()) {\r
+ try // to find a key file.\r
+ {\r
+ auto params_copy = params;\r
+ if(params_copy.size() > 0)\r
+ {\r
+ auto resource_name = params_copy.at_original(0);\r
+ params_copy.set(0, resource_name + L"_A");\r
+ key_producer = do_create_producer(my_frame_factory, params_copy, g_factories); \r
+ if(key_producer == frame_producer::empty())\r
+ {\r
+ params_copy.set(0, resource_name + L"_ALPHA");\r
+ key_producer = do_create_producer(my_frame_factory, params_copy, g_factories); \r
+ }\r
+ }\r
+ }\r
+ catch(...){}\r
+ }\r
\r
+ if(producer != frame_producer::empty() && key_producer != frame_producer::empty())\r
+ return create_separated_producer(producer, key_producer);\r
+ \r
if(producer == frame_producer::empty())\r
{\r
- std::wstring str;\r
- BOOST_FOREACH(auto& param, params)\r
- str += param + L" ";\r
+ std::wstring str = params.get_original_string();\r
BOOST_THROW_EXCEPTION(file_not_found() << msg_info("No match found for supplied commands. Check syntax.") << arg_value_info(narrow(str)));\r
}\r
\r
return producer;\r
}\r
\r
+safe_ptr<core::frame_producer> create_thumbnail_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::wstring& media_file)\r
+{\r
+ core::parameters params;\r
+ params.push_back(media_file);\r
\r
-safe_ptr<core::frame_producer> create_producer(const safe_ptr<frame_factory>& my_frame_factory, const std::vector<std::wstring>& params)\r
-{ \r
- auto producer = do_create_producer(my_frame_factory, params);\r
+ auto producer = do_create_producer(my_frame_factory, params, g_thumbnail_factories, true);\r
auto key_producer = frame_producer::empty();\r
\r
try // to find a key file.\r
{\r
auto params_copy = params;\r
- if(params_copy.size() > 0)\r
+ if (params_copy.size() > 0)\r
{\r
- params_copy[0] += L"_A";\r
- key_producer = do_create_producer(my_frame_factory, params_copy); \r
+ auto resource_name = params_copy.at_original(0);\r
+ params_copy.set(0, resource_name + L"_A");\r
+ key_producer = do_create_producer(my_frame_factory, params_copy, g_thumbnail_factories, true);\r
+ if (key_producer == frame_producer::empty())\r
+ {\r
+ params_copy.set(0, resource_name + L"_ALPHA");\r
+ key_producer = do_create_producer(my_frame_factory, params_copy, g_thumbnail_factories, true);\r
+ }\r
}\r
}\r
catch(...){}\r
\r
- if(key_producer != frame_producer::empty())\r
- return create_separated_producer(producer, key_producer);\r
-\r
+ if (producer != frame_producer::empty() && key_producer != frame_producer::empty())\r
+ return create_separated_thumbnail_producer(producer, key_producer);\r
+ \r
return producer;\r
}\r
\r
+safe_ptr<core::frame_producer> create_producer(const safe_ptr<frame_factory>& factory, const std::wstring& param)\r
+{\r
+ parameters params;\r
+ params.push_back(param);\r
+ return create_producer(factory, params);\r
+}\r
+\r
}}
\ No newline at end of file
projects / casparcg / blobdiff