1 files changed, 96 insertions, 0 deletions
diff --git a/extern/audaspace/plugins/openal/OpenALReader.cpp b/extern/audaspace/plugins/openal/OpenALReader.cpp
new file mode 100644
index 00000000000..52356d4f7ec
--- /dev/null
+++ b/extern/audaspace/plugins/openal/OpenALReader.cpp
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * 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 "OpenALReader.h"
+#include "respec/ConverterFunctions.h"
+#include "Exception.h"
+
+#include <algorithm>
+#include <al.h>
+
+AUD_NAMESPACE_BEGIN
+
+OpenALReader::OpenALReader(Specs specs, int buffersize) :
+	m_specs(specs),
+	m_position(0),
+	m_device(nullptr)
+{
+	if((specs.channels != CHANNELS_MONO) && (specs.channels != CHANNELS_STEREO))
+		specs.channels = CHANNELS_MONO;
+
+	m_device = alcCaptureOpenDevice(nullptr, specs.rate,
+									specs.channels == CHANNELS_MONO ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16,
+									buffersize * specs.channels * 2);
+
+	if(!m_device)
+		AUD_THROW(DeviceException, "The capture device couldn't be opened with OpenAL.");
+
+	alcCaptureStart(m_device);
+}
+
+OpenALReader::~OpenALReader()
+{
+	if(m_device)
+	{
+		//alcCaptureStop(m_device);
+		alcCaptureCloseDevice(m_device);
+	}
+}
+
+bool OpenALReader::isSeekable() const
+{
+	return false;
+}
+
+void OpenALReader::seek(int position)
+{
+	m_position = position;
+}
+
+int OpenALReader::getLength() const
+{
+	int length;
+	alcGetIntegerv(m_device, ALC_CAPTURE_SAMPLES, 1, &length);
+	return length;
+}
+
+int OpenALReader::getPosition() const
+{
+	return m_position;
+}
+
+Specs OpenALReader::getSpecs() const
+{
+	return m_specs;
+}
+
+void OpenALReader::read(int & length, bool& eos, sample_t* buffer)
+{
+	int len = getLength();
+	length = std::min(length, len);
+
+	if(length > 0)
+	{
+		alcCaptureSamples(m_device, buffer, length);
+		convert_s16_float((data_t*)buffer, (data_t*)buffer, length * m_specs.channels);
+	}
+
+	eos = false;
+
+	m_position += length;
+}
+
+AUD_NAMESPACE_END