]> git.sesse.net Git - casparcg/blobdiff - core/producer/layer.cpp
2.1.0: -frame_producer: Don't crash when getting exception i producer destructor.
[casparcg] / core / producer / layer.cpp
index d90f6d4739be3109ddeab8d5ff4eea2c73ec9030..7aebe0cf4354fb919236cf945aae170d1fc631a9 100644 (file)
@@ -36,40 +36,31 @@ namespace caspar { namespace core {
 \r
 struct layer::impl\r
 {                              \r
-       spl::shared_ptr<monitor::subject>       event_subject_;\r
-       spl::shared_ptr<monitor::subject>       foreground_event_subject_;\r
-       spl::shared_ptr<monitor::subject>       background_event_subject_;\r
+       monitor::basic_subject                          event_subject_;\r
+       monitor::basic_subject                          foreground_event_subject_;\r
+       monitor::basic_subject                          background_event_subject_;\r
        spl::shared_ptr<frame_producer>         foreground_;\r
        spl::shared_ptr<frame_producer>         background_;\r
-       int64_t                                                         frame_number_;\r
        boost::optional<int32_t>                        auto_play_delta_;\r
-       bool                                                            is_paused_;\r
 \r
 public:\r
        impl(int index) \r
-               : event_subject_(new monitor::subject(monitor::path("layer") % index))\r
-               , foreground_event_subject_(new monitor::subject("foreground"))\r
-               , background_event_subject_(new monitor::subject("background"))\r
+               : event_subject_(monitor::path("layer") % index)\r
+               , foreground_event_subject_("")\r
+               , background_event_subject_("background")\r
                , foreground_(frame_producer::empty())\r
                , background_(frame_producer::empty())\r
-               , frame_number_(0)\r
-               , is_paused_(false)\r
        {\r
-               foreground_event_subject_->subscribe(event_subject_);\r
-               background_event_subject_->subscribe(event_subject_);\r
+               foreground_event_subject_.subscribe(event_subject_);\r
+               background_event_subject_.subscribe(event_subject_);\r
        }\r
 \r
        void pause()\r
        {\r
-               is_paused_ = true;\r
+               foreground_->paused(true);\r
        }\r
-\r
-       void resume()\r
-       {\r
-               is_paused_ = false;\r
-       }\r
-\r
-       void load(spl::shared_ptr<frame_producer> producer, const boost::optional<int32_t>& auto_play_delta)\r
+       \r
+       void load(spl::shared_ptr<frame_producer> producer, bool preview, const boost::optional<int32_t>& auto_play_delta)\r
        {               \r
                background_->unsubscribe(background_event_subject_);\r
                background_ = std::move(producer);\r
@@ -77,6 +68,13 @@ public:
 \r
                auto_play_delta_ = auto_play_delta;\r
 \r
+               if(preview)\r
+               {\r
+                       play();\r
+                       foreground_->receive();\r
+                       foreground_->paused(true);\r
+               }\r
+\r
                if(auto_play_delta_ && foreground_ == frame_producer::empty())\r
                        play();\r
        }\r
@@ -85,7 +83,7 @@ public:
        {                       \r
                if(background_ != frame_producer::empty())\r
                {\r
-                       background_->set_leading_producer(foreground_);\r
+                       background_->leading_producer(foreground_);\r
 \r
                        background_->unsubscribe(background_event_subject_);\r
                        foreground_->unsubscribe(foreground_event_subject_);\r
@@ -95,11 +93,10 @@ public:
                        \r
                        foreground_->subscribe(foreground_event_subject_);\r
 \r
-                       frame_number_   = 0;\r
                        auto_play_delta_.reset();\r
                }\r
 \r
-               resume();\r
+               foreground_->paused(false);\r
        }\r
        \r
        void stop()\r
@@ -108,43 +105,35 @@ public:
 \r
                foreground_ = std::move(frame_producer::empty());\r
 \r
-               frame_number_   = 0;\r
                auto_play_delta_.reset();\r
-\r
-               pause();\r
        }\r
                \r
-       spl::shared_ptr<draw_frame> receive(frame_producer::flags flags, const video_format_desc& format_desc)\r
+       draw_frame receive(const video_format_desc& format_desc)\r
        {               \r
                try\r
-               {\r
-                       if(is_paused_)\r
-                               return draw_frame::mute(foreground_->last_frame());\r
-               \r
-                       auto frame = foreground_->receive(flags.value());\r
+               {               \r
+                       auto frame = foreground_->receive();\r
+\r
                        if(frame == core::draw_frame::late())\r
                                return foreground_->last_frame();\r
-                       \r
-                       ++frame_number_;\r
-\r
+                                               \r
                        if(auto_play_delta_)\r
                        {\r
-                               auto frames_left = static_cast<int64_t>(foreground_->nb_frames()) - frame_number_ - static_cast<int64_t>(*auto_play_delta_);\r
+                               auto frames_left = static_cast<int64_t>(foreground_->nb_frames()) - foreground_->frame_number() - static_cast<int64_t>(*auto_play_delta_);\r
                                if(frames_left < 1)\r
                                {\r
                                        play();\r
-                                       return receive(flags, format_desc);\r
+                                       return receive(format_desc);\r
                                }\r
                        }\r
 \r
-                       *event_subject_ << monitor::event("state")      % u8(is_paused_ ? L"paused" : (foreground_ == frame_producer::empty() ? L"stopped" : L"playing"))                                                       \r
-                                                       << monitor::event("time")       % monitor::duration(frame_number_/format_desc.fps)\r
+                       event_subject_  << monitor::event("time")       % monitor::duration(foreground_->frame_number()/format_desc.fps)\r
                                                                                                                % monitor::duration(static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)/format_desc.fps)\r
-                                                       << monitor::event("frame")      % static_cast<int64_t>(frame_number_)\r
+                                                       << monitor::event("frame")      % static_cast<int64_t>(foreground_->frame_number())\r
                                                                                                                % static_cast<int64_t>((static_cast<int64_t>(foreground_->nb_frames()) - static_cast<int64_t>(auto_play_delta_ ? *auto_play_delta_ : 0)));\r
 \r
-                       *foreground_event_subject_ << monitor::event("type") % u8(foreground_->name());\r
-                       *background_event_subject_ << monitor::event("type") % u8(foreground_->name());\r
+                       foreground_event_subject_ << monitor::event("type") % foreground_->name();\r
+                       background_event_subject_ << monitor::event("type") % background_->name();\r
                                \r
                        return frame;\r
                }\r
@@ -159,15 +148,14 @@ public:
        boost::property_tree::wptree info() const\r
        {\r
                boost::property_tree::wptree info;\r
-               info.add(L"status",             is_paused_ ? L"paused" : (foreground_ == frame_producer::empty() ? L"stopped" : L"playing"));\r
                info.add(L"auto_delta", (auto_play_delta_ ? boost::lexical_cast<std::wstring>(*auto_play_delta_) : L"null"));\r
-               info.add(L"frame-number", frame_number_);\r
+               info.add(L"frame-number", foreground_->frame_number());\r
 \r
                auto nb_frames = foreground_->nb_frames();\r
 \r
                info.add(L"nb_frames",   nb_frames == std::numeric_limits<int64_t>::max() ? -1 : nb_frames);\r
-               info.add(L"frames-left", nb_frames == std::numeric_limits<int64_t>::max() ? -1 : (foreground_->nb_frames() - frame_number_ - (auto_play_delta_ ? *auto_play_delta_ : 0)));\r
-               info.add_child(L"foreground.producer", foreground_->info());\r
+               info.add(L"frames-left", nb_frames == std::numeric_limits<int64_t>::max() ? -1 : (foreground_->nb_frames() - foreground_->frame_number() - (auto_play_delta_ ? *auto_play_delta_ : 0)));\r
+               info.add_child(L"producer", foreground_->info());\r
                info.add_child(L"background.producer", background_->info());\r
                return info;\r
        }\r
@@ -184,14 +172,14 @@ void layer::swap(layer& other)
 {      \r
        impl_.swap(other.impl_);\r
 }\r
-void layer::load(spl::shared_ptr<frame_producer> frame_producer, const boost::optional<int32_t>& auto_play_delta){return impl_->load(std::move(frame_producer), auto_play_delta);}     \r
+void layer::load(spl::shared_ptr<frame_producer> frame_producer, bool preview, const boost::optional<int32_t>& auto_play_delta){return impl_->load(std::move(frame_producer), preview, auto_play_delta);}      \r
 void layer::play(){impl_->play();}\r
 void layer::pause(){impl_->pause();}\r
 void layer::stop(){impl_->stop();}\r
-spl::shared_ptr<draw_frame> layer::receive(frame_producer::flags flags, const video_format_desc& format_desc) {return impl_->receive(flags, format_desc);}\r
+draw_frame layer::receive(const video_format_desc& format_desc) {return impl_->receive(format_desc);}\r
 spl::shared_ptr<frame_producer> layer::foreground() const { return impl_->foreground_;}\r
 spl::shared_ptr<frame_producer> layer::background() const { return impl_->background_;}\r
 boost::property_tree::wptree layer::info() const{return impl_->info();}\r
-void layer::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_->subscribe(o);}\r
-void layer::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_->unsubscribe(o);}\r
+void layer::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);}\r
+void layer::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);}\r
 }}
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