AFV initial commit

src/blacksound/sampleprovider/resourcesoundsampleprovider.cpp

@@ -0,0 +1,76 @@
+#include "resourcesoundsampleprovider.h"
+#include <QDebug>
+
+ResourceSoundSampleProvider::ResourceSoundSampleProvider(const ResourceSound &resourceSound, QObject *parent) :
+    ISampleProvider(parent),
+    m_resourceSound(resourceSound)
+{
+    tempBuffer.resize(tempBufferSize);
+}
+
+int ResourceSoundSampleProvider::readSamples(QVector<qint16> &samples, qint64 count)
+{
+    if (count > tempBufferSize)
+    {
+        qDebug() << "Count too large for temp buffer";
+        return 0;
+    }
+    qint64 availableSamples = m_resourceSound.audioData().size() - position;
+
+    qint64 samplesToCopy = qMin(availableSamples, count);
+    samples.clear();
+    samples.fill(0, samplesToCopy);
+
+    for (qint64 i = 0; i < samplesToCopy; i++)
+    {
+        tempBuffer[i] = m_resourceSound.audioData().at(position + i);
+    }
+
+    if (m_gain != 1.0f)
+    {
+        for (int i = 0; i < samplesToCopy; i++)
+        {
+            tempBuffer[i] *= m_gain;
+        }
+    }
+
+    for (qint64 i = 0; i < samplesToCopy; i++)
+    {
+        samples[i] = tempBuffer.at(i);
+    }
+
+    position += samplesToCopy;
+
+    if (position > availableSamples - 1)
+    {
+        if (m_looping) { position = 0; }
+        else { m_isFinished = true; }
+    }
+
+    return (int)samplesToCopy;
+}
+
+bool ResourceSoundSampleProvider::isFinished()
+{
+    return m_isFinished;
+}
+
+bool ResourceSoundSampleProvider::looping() const
+{
+    return m_looping;
+}
+
+void ResourceSoundSampleProvider::setLooping(bool looping)
+{
+    m_looping = looping;
+}
+
+float ResourceSoundSampleProvider::gain() const
+{
+    return m_gain;
+}
+
+void ResourceSoundSampleProvider::setGain(float gain)
+{
+    m_gain = gain;
+}