videoaudiocomponent.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local Includes
#include "videoplayer.h"
#include "videoaudio.h"
 
// External Includes
#include <audio/utility/safeptr.h>
#include <audio/component/audiocomponentbase.h>
 
namespace nap
{
    
    namespace audio
    {
        // Forward Declares
        class VideoAudioComponentInstance;
        
        class NAPAPI VideoAudioComponent : public AudioComponentBase
        {
            RTTI_ENABLE(AudioComponentBase)
            DECLARE_COMPONENT(VideoAudioComponent, VideoAudioComponentInstance)
            
        public:
            VideoAudioComponent() : AudioComponentBase() { }
            
            // Properties
            rtti::ObjectPtr<VideoPlayer> mVideoPlayer = nullptr;    
            int mChannelCount = 2;                                  
            bool mProcessAudio = true;                              
        };
 
        
        class NAPAPI VideoAudioComponentInstance : public AudioComponentBaseInstance
        {
            RTTI_ENABLE(AudioComponentBaseInstance)
        public:
            VideoAudioComponentInstance(EntityInstance& entity, Component& resource) : AudioComponentBaseInstance(entity, resource) { }
            
            // Initialize the component
            bool init(utility::ErrorState& errorState) override;
            
            int getChannelCount() const override                    { return mNode->getChannelCount(); }
 
            OutputPin* getOutputForChannel(int channel) override    { return &mNode->getOutput(channel); }
            
        private:
            SafeOwner<VideoNode> mNode = nullptr;                   
            VideoPlayer* mVideoPlayer = nullptr;                    
 
            void selectVideo(VideoPlayer& video);
 
            // Called when video selection changes
            nap::Slot<VideoPlayer&> mVideoChangedSlot = { this, &VideoAudioComponentInstance::selectVideo };
        };
    }   
}