X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fproducer%2Flayer.cpp;h=f940d2a9eb6bda491fa0253bc9b376dcbc47fa50;hb=a8e71e9b2452413398ac10f0b6e2dea41cecdec5;hp=149bddae840cf8819c53acf53dc620740f30de3c;hpb=ce9d677ac4f1305cfd46fbb8701f300b7b84fe8a;p=casparcg diff --git a/core/producer/layer.cpp b/core/producer/layer.cpp index 149bddae8..f940d2a9e 100644 --- a/core/producer/layer.cpp +++ b/core/producer/layer.cpp @@ -1,184 +1,171 @@ +/* +* copyright (c) 2010 Sveriges Television AB +* +* This file is part of CasparCG. +* +* 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 . +* +*/ + #include "../stdafx.h" #include "layer.h" -#include "frame_producer.h" - -#include "../video_format.h" - -#include -#include -#include -#include -#include -#include -#include +#include "frame_producer.h" +#include "frame/basic_frame.h" 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) << L"async_remover[" + boost::lexical_cast(--count_) + L"] Removed: " << name << L"."; - } -public: - - frame_producer_remover() - { - executor_.start(); - count_ = 0; - } - - void remove(safe_ptr&& producer) - { - CASPAR_ASSERT(producer.unique()); - CASPAR_LOG(info) << L"async_remover[" + boost::lexical_cast(++count_) + L"] Removing: " << producer->print() << L"."; - executor_.begin_invoke(std::bind(&frame_producer_remover::do_remove, this, std::move(producer))); - } -}; - -frame_producer_remover g_remover; - -struct layer::implementation : boost::noncopyable + +struct layer::implementation { - printer parent_printer_; safe_ptr foreground_; safe_ptr background_; - safe_ptr last_frame_; + int64_t frame_number_; + int auto_play_delta_; bool is_paused_; - tbb::atomic index_; + public: - implementation(int index, const printer& parent_printer) - : parent_printer_(parent_printer) - , foreground_(frame_producer::empty()) + implementation() + : foreground_(frame_producer::empty()) , background_(frame_producer::empty()) - , last_frame_(draw_frame::empty()) + , frame_number_(0) + , auto_play_delta_(-1) , is_paused_(false) { - index_ = index; } - void load(const safe_ptr& frame_producer, bool play_on_load) - { - background_ = frame_producer; - is_paused_ = false; - if(play_on_load) - play(); + void pause() + { + is_paused_ = true; } - void preview(const safe_ptr& frame_producer) + void resume() { - load(frame_producer, true); - receive(); - pause(); + is_paused_ = false; + } + + void load(const safe_ptr& producer, bool preview, int auto_play_delta) + { + background_ = producer; + auto_play_delta_ = auto_play_delta; + + if(preview) // Play the first frame and pause. + { + play(); + receive(); + pause(); + } } void play() { - if(!is_paused_) + if(background_ != frame_producer::empty()) { background_->set_leading_producer(foreground_); - foreground_ = background_; - CASPAR_LOG(info) << foreground_->print() << L" Started."; - background_ = frame_producer::empty(); + + foreground_ = background_; + background_ = frame_producer::empty(); + frame_number_ = 0; + auto_play_delta_ = -1; } - is_paused_ = false; - } - void pause() - { - is_paused_ = true; + is_paused_ = false; } - + void stop() { - pause(); - last_frame_ = draw_frame::empty(); - foreground_ = frame_producer::empty(); - } + foreground_ = frame_producer::empty(); + background_ = background_; + frame_number_ = 0; + auto_play_delta_ = -1; - void clear() - { - stop(); - background_ = frame_producer::empty(); + is_paused_ = true; } - - safe_ptr receive() + + 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()) + if(is_paused_) + return disable_audio(foreground_->last_frame()); + + auto frame = receive_and_follow(foreground_, frame_producer::NO_HINT); + if(frame == core::basic_frame::late()) + return foreground_->last_frame(); + + auto frames_left = foreground_->nb_frames() - (++frame_number_) - auto_play_delta_; + if(auto_play_delta_ > -1 && frames_left < 1) { - CASPAR_ASSERT(foreground_ != frame_producer::empty()); - - auto following = foreground_->get_following_producer(); - following->set_leading_producer(foreground_); - g_remover.remove(std::move(foreground_)); - foreground_ = following; - CASPAR_LOG(info) << foreground_->print() << L" Started."; - - last_frame_ = receive(); + play(); + return receive(); } + + return frame; } catch(...) { - CASPAR_LOG(error) << print() << L"Unhandled Exception: "; CASPAR_LOG_CURRENT_EXCEPTION(); stop(); + return core::basic_frame::empty(); } + } - return last_frame_; + layer_status status() const + { + layer_status status; + status.foreground = foreground_->print(); + status.background = background_->print(); + status.is_paused = is_paused_; + status.total_frames = foreground_->nb_frames(); + status.current_frame = frame_number_; + + return status; } - - std::wstring print() const + + bool empty() const { - return (parent_printer_ ? parent_printer_() + L"/" : L"") + L"layer[" + boost::lexical_cast(index_) + L"]"; + return background_ == core::frame_producer::empty() && foreground_ == core::frame_producer::empty(); } }; -layer::layer(int index, const printer& parent_printer) -{ - impl_ = new implementation(index, parent_printer); -} -layer::layer(layer&& other) -{ - impl_ = other.impl_.compare_and_swap(nullptr, other.impl_); -} -layer::~layer() +layer::layer() : impl_(new implementation()){} +layer::layer(layer&& other) : impl_(std::move(other.impl_)){} +layer& layer::operator=(layer&& other) { - delete impl_.fetch_and_store(nullptr); + impl_ = std::move(other.impl_); + return *this; } -layer& layer::operator=(layer&& other) +layer::layer(const layer& other) : impl_(new implementation(*other.impl_)){} +layer& layer::operator=(const layer& other) { - impl_ = other.impl_.compare_and_swap(nullptr, other.impl_); + layer temp(other); + temp.swap(*this); return *this; } void layer::swap(layer& other) -{ - impl_ = other.impl_.compare_and_swap(impl_, other.impl_); - impl_->index_ = other.impl_->index_.compare_and_swap(impl_->index_, other.impl_->index_); +{ + 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(const safe_ptr& frame_producer, bool preview, int auto_play_delta){return impl_->load(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();} +bool layer::is_paused() const{return impl_->is_paused_;} +int64_t layer::frame_number() const{return impl_->frame_number_;} +layer_status layer::status() const {return impl_->status();} +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();} +bool layer::empty() const {return impl_->empty();} }} \ No newline at end of file