AudioBufferSink.cxx

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#include "AudioBufferSink.hxx"
#include "ProcessingFactory.hxx"
#include "Audio.hxx"

#include <iostream>

namespace CLAM
{

namespace
{
        static const char* metadata[] = {
                "key", "AudioBufferSink",
                "category", "Audio I/O",
                "description", "AudioBufferSink",
                "port_sink_type", typeid(Audio).name(),
                "icon", "sink.svg",
                "embedded_svg", "sink.svg",
                0
        };
        static FactoryRegistrator<ProcessingFactory, AudioBufferSink> reg = metadata;
}

bool AudioBufferSink::Do()
{
        for (Ports::iterator it = _ports.begin(); it != _ports.end(); ++it)
        {
                Port& port = (*it);
                InPort<Audio>* in = port.mPort;

                const CLAM::Audio& so=in->GetData();

                CLAM_DEBUG_ASSERT(port.mFloatBuffer, "No float buffer");
                CLAM_DEBUG_ASSERT(!port.mDoubleBuffer, "There should not be double buffer");
                CLAM_DEBUG_ASSERT(so.GetSize()>0, "internal buffer size must be greater than 0");
                const CLAM::TData * audioBuffer = so.GetBuffer().GetPtr();

                for (unsigned i=0; i<so.GetSize(); i++)
                        port.mFloatBuffer[i] = audioBuffer[i];

                in->Consume();
        }

        return true;
}

void AudioBufferSink::SetExternalBuffer(float* buf, unsigned nframes, unsigned index)
{
    //std::cout << "AudioBufferSink::SetExternalBuffer using float" << std::endl;
        CLAM_ASSERT(index < _ports.size(), "InPort<Audio> index out of range");
        Port& port = _ports[index];
        port.mPort->SetSize(1);
        port.mPort->SetHop(1);
        port.mFloatBuffer = buf;
        port.mBufferSize = nframes;
        port.mDoubleBuffer = 0;

}

void AudioBufferSink::SetExternalBuffer(double* buf, unsigned nframes, unsigned index)
{
    //std::cout << "AudioBufferSink::SetExternalBuffer using double" << std::endl;
        CLAM_ASSERT(index < _ports.size(), "InPort<Audio> index out of range");
        Port& port = _ports[index];
        port.mPort->SetSize(1);
        port.mPort->SetHop(1);
        port.mDoubleBuffer = buf;
        port.mBufferSize = nframes;
        port.mFloatBuffer = 0;
}

} //namespace CLAM