X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fproducer%2Flayer.cpp;h=f940d2a9eb6bda491fa0253bc9b376dcbc47fa50;hb=4df32ce9ef78323744ec05ab51a626c8ef7d20a0;hp=a4b2e6410156ede6624d8ed737eb4e3e94ac3d0b;hpb=4b4239aa94ca0e1814dcb1ecd7500c30294eb120;p=casparcg diff --git a/core/producer/layer.cpp b/core/producer/layer.cpp index a4b2e6410..f940d2a9e 100644 --- a/core/producer/layer.cpp +++ b/core/producer/layer.cpp @@ -1,54 +1,71 @@ +/* +* 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 "../producer/frame/basic_frame.h" -#include "../producer/frame/audio_transform.h" +#include "frame_producer.h" +#include "frame/basic_frame.h" namespace caspar { namespace core { -struct layer::implementation : boost::noncopyable +struct layer::implementation { - int index_; safe_ptr foreground_; safe_ptr background_; - safe_ptr last_frame_; + int64_t frame_number_; + int auto_play_delta_; bool is_paused_; + public: - implementation(int index) - : index_(index) - , foreground_(frame_producer::empty()) + implementation() + : foreground_(frame_producer::empty()) , background_(frame_producer::empty()) - , last_frame_(basic_frame::empty()) - , is_paused_(false){} + , frame_number_(0) + , auto_play_delta_(-1) + , is_paused_(false) + { + } - void pause() + void pause() { - is_paused_ = true; + is_paused_ = true; } void resume() { - if(is_paused_) - CASPAR_LOG(info) << foreground_->print() << L" Resumed."; is_paused_ = false; } - void load(const safe_ptr& producer, bool play_on_load, bool preview) + void load(const safe_ptr& producer, bool preview, int auto_play_delta) { - background_ = producer; + background_ = producer; + auto_play_delta_ = auto_play_delta; - if(play_on_load) - play(); - else if(preview) - { + if(preview) // Play the first frame and pause. + { play(); receive(); pause(); } - - CASPAR_LOG(info) << producer->print() << L" Loaded."; } void play() @@ -56,56 +73,99 @@ public: if(background_ != frame_producer::empty()) { background_->set_leading_producer(foreground_); - foreground_ = background_; - background_ = frame_producer::empty(); - CASPAR_LOG(info) << foreground_->print() << L" Active."; + + foreground_ = background_; + background_ = frame_producer::empty(); + frame_number_ = 0; + auto_play_delta_ = -1; } - resume(); + + is_paused_ = false; } void stop() { - pause(); - last_frame_ = basic_frame::empty(); - foreground_ = frame_producer::empty(); + foreground_ = frame_producer::empty(); + background_ = background_; + frame_number_ = 0; + auto_play_delta_ = -1; + + is_paused_ = true; } safe_ptr receive() { - if(is_paused_) - last_frame_->get_audio_transform().set_has_audio(false); - else - last_frame_ = core::receive(foreground_); + try + { + 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(); - return last_frame_; + auto frames_left = foreground_->nb_frames() - (++frame_number_) - auto_play_delta_; + if(auto_play_delta_ > -1 && frames_left < 1) + { + play(); + return receive(); + } + + return frame; + } + catch(...) + { + CASPAR_LOG_CURRENT_EXCEPTION(); + stop(); + return core::basic_frame::empty(); + } } - - std::wstring print() const + + 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; + } + + bool empty() const { - return L"layer[" + boost::lexical_cast(index_) + L"]"; + return background_ == core::frame_producer::empty() && foreground_ == core::frame_producer::empty(); } }; -layer::layer(int index) : impl_(new implementation(index)){} +layer::layer() : impl_(new implementation()){} layer::layer(layer&& other) : impl_(std::move(other.impl_)){} layer& layer::operator=(layer&& other) { impl_ = std::move(other.impl_); return *this; } +layer::layer(const layer& other) : impl_(new implementation(*other.impl_)){} +layer& layer::operator=(const layer& other) +{ + layer temp(other); + temp.swap(*this); + return *this; +} void layer::swap(layer& other) { - std::swap(impl_->foreground_, other.impl_->foreground_); - std::swap(impl_->background_, other.impl_->background_); - std::swap(impl_->last_frame_, other.impl_->last_frame_); - std::swap(impl_->is_paused_ , other.impl_->is_paused_ ); + impl_.swap(other.impl_); } -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::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();} +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