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diff --git a/source/io/SampleSource.h b/source/io/SampleSource.h
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+//
+// SampleSource.h - MrsWatson
+// Created by Nik Reiman on 1/2/12.
+// Copyright (c) 2012 Teragon Audio. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// * Redistributions of source code must retain the above copyright notice,
+//   this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice,
+//   this list of conditions and the following disclaimer in the documentation
+//   and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+
+#ifndef MrsWatson_SampleSource_h
+#define MrsWatson_SampleSource_h
+
+#include "audio/SampleBuffer.h"
+#include "base/CharString.h"
+#include "base/Types.h"
+
+typedef enum {
+    SAMPLE_SOURCE_TYPE_INVALID,
+    SAMPLE_SOURCE_TYPE_SILENCE,
+    SAMPLE_SOURCE_TYPE_PCM,
+    SAMPLE_SOURCE_TYPE_AIFF,
+    SAMPLE_SOURCE_TYPE_FLAC,
+    SAMPLE_SOURCE_TYPE_MP3,
+    SAMPLE_SOURCE_TYPE_OGG,
+    SAMPLE_SOURCE_TYPE_WAVE,
+    NUM_SAMPLE_SOURCES
+} SampleSourceType;
+
+typedef enum {
+    SAMPLE_SOURCE_OPEN_NOT_OPENED,
+    SAMPLE_SOURCE_OPEN_READ,
+    SAMPLE_SOURCE_OPEN_WRITE,
+    NUM_SAMPLE_SOURCE_OPEN_AS
+} SampleSourceOpenAs;
+
+typedef boolByte (*OpenSampleSourceFunc)(void *, const SampleSourceOpenAs);
+typedef boolByte (*ReadSampleBlockFunc)(void *, SampleBuffer);
+typedef boolByte (*WriteSampleBlockFunc)(void *, const SampleBuffer);
+typedef void (*CloseSampleSourceFunc)(void *);
+typedef void (*FreeSampleSourceDataFunc)(void *);
+
+typedef struct {
+    SampleSourceType sampleSourceType;
+    SampleSourceOpenAs openedAs;
+    CharString sourceName;
+    unsigned long numSamplesProcessed;
+
+    OpenSampleSourceFunc openSampleSource;
+    ReadSampleBlockFunc readSampleBlock;
+    WriteSampleBlockFunc writeSampleBlock;
+    CloseSampleSourceFunc closeSampleSource;
+    FreeSampleSourceDataFunc freeSampleSourceData;
+
+    void *extraData;
+} SampleSourceMembers;
+typedef SampleSourceMembers *SampleSource;
+
+/**
+ * Factory method to create a new sample source
+ * @param sampleSourceName Source name. If NULL, then a silent sample source is created.
+ * @return Initialized sample source, or NULL if none could be created
+ */
+SampleSource sampleSourceFactory(const CharString sampleSourceName);
+
+/**
+ * Print a list of all supported sample source pipes to the log
+ */
+void sampleSourcePrintSupportedTypes(void);
+
+/**
+ * Release a sample source and associated resources
+ * @param self
+ */
+void freeSampleSource(SampleSource self);
+
+#endif