AudioSink.cxx

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#include "AudioSink.hxx"
#include "ProcessingFactory.hxx"
#include "Audio.hxx"

#include <iostream>

namespace CLAM
{

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

bool AudioSink::Do()
{
        for (Ports::iterator it = _ports.begin(); it != _ports.end(); ++it)
        {
                Port& port = (*it);
                AudioInPort* in = port.mPort;

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

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

                in->Consume();
        }

                return true;
}

void AudioSink::SetExternalBuffer(float* buf, unsigned nframes, unsigned index)
{
        CLAM_ASSERT(index < _ports.size(), "AudioInPort index out of range");
        Port& port = _ports[index];
        port.mPort->SetSize(nframes);
        port.mPort->SetHop(nframes);
        port.mFloatBuffer = buf;
        port.mBufferSize = nframes;
        port.mDoubleBuffer = 0;

}

void AudioSink::SetExternalBuffer(double* buf, unsigned nframes, unsigned index)
{
        CLAM_ASSERT(index < _ports.size(), "AudioInPort index out of range");
        Port& port = _ports[index];
        port.mPort->SetSize(nframes);
        port.mPort->SetHop(nframes);
        port.mDoubleBuffer = buf;
        port.mBufferSize = nframes;
        port.mFloatBuffer = 0;
}

} //namespace CLAM