X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fproducer%2Flayer.cpp;h=bc5267fa91e24d6382b47c458a89618a41a64af3;hb=f292471ce40f0cc0a6f09d968eebb3616b7ab7c9;hp=33e60ba15b350ce77e0baa5436ba9d57fdb025f2;hpb=394d6e5ee7418c982bebde6e60531caebfb42527;p=casparcg diff --git a/core/producer/layer.cpp b/core/producer/layer.cpp index 33e60ba15..bc5267fa9 100644 --- a/core/producer/layer.cpp +++ b/core/producer/layer.cpp @@ -1,174 +1,196 @@ -#include "../stdafx.h" - -#include "layer.h" -#include "frame_producer.h" - -#include "../video_format.h" - -#include -#include -#include - -#include -#include -#include -#include - -#include - -namespace caspar { namespace core { - -class frame_producer_remover -{ - executor executor_; - tbb::atomic count_; - - void do_remove(safe_ptr& producer) - { - auto name = producer->print(); - producer = frame_producer::empty(); - CASPAR_LOG(info) << name << L" Removed."; - } -public: - - frame_producer_remover() - { - executor_.start(); - count_ = 0; - } - - void remove(safe_ptr&& producer) - { - CASPAR_VERIFY(producer.unique()); - executor_.begin_invoke(std::bind(&frame_producer_remover::do_remove, this, std::move(producer))); - } -}; - -frame_producer_remover g_remover; - - -struct layer::implementation : boost::noncopyable -{ - mutable tbb::spin_mutex printer_mutex_; - printer parent_printer_; - int index_; - - safe_ptr foreground_; - safe_ptr background_; - safe_ptr last_frame_; - bool is_paused_; -public: - implementation(int index, const printer& parent_printer) - : parent_printer_(parent_printer) - , index_(index) - , foreground_(frame_producer::empty()) - , background_(frame_producer::empty()) - , last_frame_(draw_frame::empty()) - , is_paused_(false){} - - void load(const safe_ptr& frame_producer, bool play_on_load, bool preview) - { - background_ = frame_producer; - is_paused_ = false; - - if(preview) - { - play(); - receive(); - pause(); - } - - if(play_on_load) - play(); - } - - void play() - { - if(!is_paused_) - { - background_->set_leading_producer(foreground_); - foreground_ = background_; - CASPAR_LOG(info) << foreground_->print() << L" Added."; - background_ = frame_producer::empty(); - } - is_paused_ = false; - } - - void pause() - { - is_paused_ = true; - } - - void stop() - { - pause(); - last_frame_ = draw_frame::empty(); - foreground_ = frame_producer::empty(); - } - - safe_ptr receive() - { - if(is_paused_) - { - last_frame_->get_audio_transform().set_gain(0.0); - return last_frame_; - } - - try - { - last_frame_ = foreground_->receive(); - if(last_frame_ == draw_frame::eof()) - { - CASPAR_VERIFY(foreground_ != frame_producer::empty()); - - auto following = foreground_->get_following_producer(); - following->set_leading_producer(foreground_); - following->set_parent_printer(boost::bind(&implementation::print, this)); - g_remover.remove(std::move(foreground_)); - foreground_ = following; - CASPAR_LOG(info) << foreground_->print() << L" Added."; - - last_frame_ = receive(); - } - } - catch(...) - { - CASPAR_LOG(error) << print() << L" Unhandled Exception: "; - CASPAR_LOG_CURRENT_EXCEPTION(); - stop(); - } - - return last_frame_; - } - - std::wstring print() const - { - tbb::spin_mutex::scoped_lock lock(printer_mutex_); // Child-producers may call print asynchronously to the producer thread. - return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"layer[" + boost::lexical_cast(index_) + L"]"; - } -}; - -layer::layer(int index, const printer& parent_printer) : impl_(new implementation(index, parent_printer)){} -layer::layer(layer&& other) : impl_(std::move(other.impl_)){} -layer& layer::operator=(layer&& other) -{ - impl_ = std::move(other.impl_); - return *this; -} -void layer::swap(layer& other) -{ - impl_.swap(other.impl_); - // Printer state is not swapped. - tbb::spin_mutex::scoped_lock lock(impl_->printer_mutex_); - std::swap(impl_->parent_printer_, other.impl_->parent_printer_); - std::swap(impl_->index_, other.impl_->index_); -} -void layer::load(const safe_ptr& frame_producer, bool play_on_load, bool preview){return impl_->load(frame_producer, play_on_load, preview);} -void layer::play(){impl_->play();} -void layer::pause(){impl_->pause();} -void layer::stop(){impl_->stop();} -safe_ptr layer::receive() {return impl_->receive();} -safe_ptr layer::foreground() const { return impl_->foreground_;} -safe_ptr layer::background() const { return impl_->background_;} -std::wstring layer::print() const { return impl_->print();} +/* +* Copyright (c) 2011 Sveriges Television AB +* +* This file is part of CasparCG (www.casparcg.com). +* +* CasparCG is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* CasparCG is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with CasparCG. If not, see . +* +* Author: Robert Nagy, ronag89@gmail.com +*/ + +#include "../stdafx.h" + +#include "layer.h" + +#include "frame_producer.h" + +#include "../video_format.h" +#include "../frame/draw_frame.h" +#include "../frame/frame_transform.h" + +#include +#include + +namespace caspar { namespace core { + +struct layer::impl +{ + monitor::basic_subject event_subject_; + monitor::basic_subject foreground_event_subject_; + monitor::basic_subject background_event_subject_; + spl::shared_ptr foreground_; + spl::shared_ptr background_; + boost::optional auto_play_delta_; + +public: + impl(int index) + : event_subject_(monitor::path("layer") % index) + , foreground_event_subject_("") + , background_event_subject_("background") + , foreground_(frame_producer::empty()) + , background_(frame_producer::empty()) + { + foreground_event_subject_.subscribe(event_subject_); + background_event_subject_.subscribe(event_subject_); + } + + void pause() + { + foreground_->paused(true); + } + + void load(spl::shared_ptr producer, bool preview, const boost::optional& auto_play_delta) + { + background_->unsubscribe(background_event_subject_); + background_ = std::move(producer); + background_->subscribe(background_event_subject_); + + auto_play_delta_ = auto_play_delta; + + if(preview) + { + play(); + foreground_->paused(true); + } + + if(auto_play_delta_ && foreground_ == frame_producer::empty()) + play(); + } + + void play() + { + if(background_ != frame_producer::empty()) + { + background_->leading_producer(foreground_); + + background_->unsubscribe(background_event_subject_); + foreground_->unsubscribe(foreground_event_subject_); + + foreground_ = std::move(background_); + background_ = std::move(frame_producer::empty()); + + foreground_->subscribe(foreground_event_subject_); + + auto_play_delta_.reset(); + } + + foreground_->paused(false); + } + + void stop() + { + foreground_->unsubscribe(foreground_event_subject_); + + foreground_ = std::move(frame_producer::empty()); + + auto_play_delta_.reset(); + } + + draw_frame receive(const video_format_desc& format_desc) + { + try + { + auto frame = foreground_->receive(); + + if(frame == core::draw_frame::late()) + return foreground_->last_frame(); + + if(auto_play_delta_) + { + auto frames_left = static_cast(foreground_->nb_frames()) - foreground_->frame_number() - static_cast(*auto_play_delta_); + if(frames_left < 1) + { + play(); + return receive(format_desc); + } + } + + event_subject_ << monitor::event("time") % monitor::duration(foreground_->frame_number()/format_desc.fps) + % monitor::duration(static_cast(foreground_->nb_frames()) - static_cast(auto_play_delta_ ? *auto_play_delta_ : 0)/format_desc.fps) + << monitor::event("frame") % static_cast(foreground_->frame_number()) + % static_cast((static_cast(foreground_->nb_frames()) - static_cast(auto_play_delta_ ? *auto_play_delta_ : 0))); + + foreground_event_subject_ << monitor::event("type") % foreground_->name(); + background_event_subject_ << monitor::event("type") % background_->name(); + + return frame; + } + catch(...) + { + CASPAR_LOG_CURRENT_EXCEPTION(); + stop(); + return core::draw_frame::empty(); + } + } + + boost::property_tree::wptree info() const + { + boost::property_tree::wptree info; + info.add(L"auto_delta", (auto_play_delta_ ? boost::lexical_cast(*auto_play_delta_) : L"null")); + info.add(L"frame-number", foreground_->frame_number()); + + auto nb_frames = foreground_->nb_frames(); + + info.add(L"nb_frames", nb_frames == std::numeric_limits::max() ? -1 : nb_frames); + info.add(L"frames-left", nb_frames == std::numeric_limits::max() ? -1 : (foreground_->nb_frames() - foreground_->frame_number() - (auto_play_delta_ ? *auto_play_delta_ : 0))); + info.add_child(L"producer", foreground_->info()); + info.add_child(L"background.producer", background_->info()); + return info; + } + + void on_interaction(const interaction_event::ptr& event) + { + foreground_->on_interaction(event); + } + + bool collides(double x, double y) const + { + return foreground_->collides(x, y); + } +}; + +layer::layer(int index) : impl_(new impl(index)){} +layer::layer(layer&& other) : impl_(std::move(other.impl_)){} +layer& layer::operator=(layer&& other) +{ + other.swap(*this); + return *this; +} +void layer::swap(layer& other) +{ + impl_.swap(other.impl_); +} +void layer::load(spl::shared_ptr frame_producer, bool preview, const boost::optional& auto_play_delta){return impl_->load(std::move(frame_producer), preview, auto_play_delta);} +void layer::play(){impl_->play();} +void layer::pause(){impl_->pause();} +void layer::stop(){impl_->stop();} +draw_frame layer::receive(const video_format_desc& format_desc) {return impl_->receive(format_desc);} +spl::shared_ptr layer::foreground() const { return impl_->foreground_;} +spl::shared_ptr layer::background() const { return impl_->background_;} +boost::property_tree::wptree layer::info() const{return impl_->info();} +void layer::subscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.subscribe(o);} +void layer::unsubscribe(const monitor::observable::observer_ptr& o) {impl_->event_subject_.unsubscribe(o);} +void layer::on_interaction(const interaction_event::ptr& event) { impl_->on_interaction(event); } +bool layer::collides(double x, double y) const { return impl_->collides(x, y); } }} \ No newline at end of file