X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fproducer%2Flayer.cpp;h=7aebe0cf4354fb919236cf945aae170d1fc631a9;hb=606051ad4fd051a1e9aca7ae4a3b405ee9e09209;hp=698aa4931a0eda999920374a9017f3b7a5fb97bc;hpb=af040261b1e1ba27fbcfd13c6950d28ce01e783e;p=casparcg diff --git a/core/producer/layer.cpp b/core/producer/layer.cpp index 698aa4931..7aebe0cf4 100644 --- a/core/producer/layer.cpp +++ b/core/producer/layer.cpp @@ -1,141 +1,185 @@ +/* +* 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 "../mixer/frame/draw_frame.h" -#include "../mixer/image/image_mixer.h" -#include "../mixer/audio/audio_mixer.h" -#include "../producer/frame_producer.h" +#include "frame_producer.h" #include "../video_format.h" +#include "../frame/draw_frame.h" +#include "../frame/frame_transform.h" -#include +#include +#include namespace caspar { namespace core { -struct layer::implementation : boost::noncopyable -{ - safe_ptr foreground_; - safe_ptr background_; - safe_ptr last_frame_; - bool is_paused_; +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: - implementation() - : foreground_(frame_producer::empty()) + impl(int index) + : event_subject_(monitor::path("layer") % index) + , foreground_event_subject_("") + , background_event_subject_("background") + , 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) - { - background_ = frame_producer; - if(play_on_load) - play(); + { + foreground_event_subject_.subscribe(event_subject_); + background_event_subject_.subscribe(event_subject_); } - void preview(const safe_ptr& frame_producer) + void pause() { - stop(); - load(frame_producer, false); - try - { - last_frame_ = frame_producer->receive(); - } - catch(...) + 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) { - CASPAR_LOG_CURRENT_EXCEPTION(); - clear(); + play(); + foreground_->receive(); + foreground_->paused(true); } + + if(auto_play_delta_ && foreground_ == frame_producer::empty()) + play(); } void play() { - if(is_paused_) - is_paused_ = false; - else + if(background_ != frame_producer::empty()) { - background_->set_leading_producer(foreground_); - foreground_ = background_; - 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(); } - } - void pause() - { - is_paused_ = true; + foreground_->paused(false); } - + void stop() { - pause(); - last_frame_ = draw_frame::empty(); - foreground_ = frame_producer::empty(); - } + foreground_->unsubscribe(foreground_event_subject_); - void clear() - { - stop(); - background_ = frame_producer::empty(); + foreground_ = std::move(frame_producer::empty()); + + auto_play_delta_.reset(); } - - safe_ptr receive() + + draw_frame receive(const video_format_desc& format_desc) { - if(is_paused_) - return last_frame_; - try - { - last_frame_ = foreground_->receive(); - if(last_frame_ == draw_frame::eof()) + { + auto frame = foreground_->receive(); + + if(frame == core::draw_frame::late()) + return foreground_->last_frame(); + + if(auto_play_delta_) { - CASPAR_ASSERT(foreground_ != frame_producer::empty()); + 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); + } + } - auto following = foreground_->get_following_producer(); - following->set_leading_producer(foreground_); - foreground_ = following; + 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))); - last_frame_ = receive(); - } + 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()); - return last_frame_; + 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; } }; -layer::layer() -{ - impl_ = new implementation(); -} -layer::layer(layer&& other) -{ - impl_ = other.impl_.compare_and_swap(nullptr, other.impl_); -} -layer::~layer() -{ - delete impl_.fetch_and_store(nullptr); -} +layer::layer(int index) : impl_(new impl(index)){} +layer::layer(layer&& other) : impl_(std::move(other.impl_)){} layer& layer::operator=(layer&& other) { - impl_ = other.impl_.compare_and_swap(nullptr, other.impl_); + other.swap(*this); return *this; } void layer::swap(layer& other) -{ - impl_ = other.impl_.compare_and_swap(impl_, other.impl_); +{ + impl_.swap(other.impl_); } -void layer::load(const safe_ptr& frame_producer, bool play_on_load){return impl_->load(frame_producer, play_on_load);} -void layer::preview(const safe_ptr& frame_producer){return impl_->preview(frame_producer);} +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();} -void layer::clear(){impl_->clear();} -safe_ptr layer::receive() {return impl_->receive();} -safe_ptr layer::foreground() const { return impl_->foreground_;} -safe_ptr layer::background() const { return impl_->background_;} +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);} }} \ No newline at end of file