1 files changed, 75 insertions, 0 deletions
diff --git a/extern/audaspace/src/generator/SineReader.cpp b/extern/audaspace/src/generator/SineReader.cpp
new file mode 100644
index 00000000000..49b7cc3114b
--- /dev/null
+++ b/extern/audaspace/src/generator/SineReader.cpp
@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright 2009-2016 Jörg Müller
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ******************************************************************************/
+
+#include "generator/SineReader.h"
+
+#include <cmath>
+
+AUD_NAMESPACE_BEGIN
+
+SineReader::SineReader(float frequency, SampleRate sampleRate) :
+	m_frequency(frequency),
+	m_position(0),
+	m_sampleRate(sampleRate)
+{
+}
+
+void SineReader::setFrequency(float frequency)
+{
+	m_frequency = frequency;
+}
+
+bool SineReader::isSeekable() const
+{
+	return true;
+}
+
+void SineReader::seek(int position)
+{
+	m_position = position;
+}
+
+int SineReader::getLength() const
+{
+	return -1;
+}
+
+int SineReader::getPosition() const
+{
+	return m_position;
+}
+
+Specs SineReader::getSpecs() const
+{
+	Specs specs;
+	specs.rate = m_sampleRate;
+	specs.channels = CHANNELS_MONO;
+	return specs;
+}
+
+void SineReader::read(int& length, bool& eos, sample_t* buffer)
+{
+	// fill with sine data
+	for(int i = 0; i < length; i++)
+	{
+		buffer[i] = std::sin((m_position + i) * 2 * M_PI * m_frequency / m_sampleRate);
+	}
+
+	m_position += length;
+	eos = false;
+}
+
+AUD_NAMESPACE_END