appropriate the wave encoding files for opus encoding prototype (stub functionality for now)

include/libnyquist/WavEncoder.h

@@ -33,28 +33,31 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 namespace nqr
 {
 
+enum EncoderError
+{
+    NoError,
+    InsufficientSampleData,
+    FileIOError,
+    UnsupportedSamplerate,
+    UnsupportedChannelConfiguration,
+    UnsupportedBitdepth,
+    UnsupportedChannelMix,
+    BufferTooBig,
+};
+    
+
 // A simplistic encoder that takes a blob of data, conforms it to the user's
 // EncoderParams preference, and writes to disk. Be warned, does not support resampling!
 // @todo support dithering, samplerate conversion, etc.
-class WavEncoder
+struct WavEncoder
 {
-    enum EncoderError
-    {
-        NoError,
-        InsufficientSampleData,
-        FileIOError,
-        UnsupportedSamplerate,
-        UnsupportedChannelConfiguration,
-        UnsupportedBitdepth,
-        UnsupportedChannelMix,
-        BufferTooBig,
-    };
-    
-public:
-    
     // Assume data adheres to EncoderParams, except for bit depth and fmt
     static int WriteFile(const EncoderParams p, const AudioData * d, const std::string & path);
-    
+};
+
+struct OpusEncoder
+{
+    static int WriteFile(const EncoderParams p, const AudioData * d, const std::string & path);
 };
 
 } // end namespace nqr

src/WavEncoder.cpp

@@ -36,6 +36,10 @@ inline void toBytes(int value, char * arr)
     arr[3] = (value >> 24) & 0xFF;
 }
 
+////////////////////////////
+//   Wave File Encoding   //
+////////////////////////////
+
 int WavEncoder::WriteFile(const EncoderParams p, const AudioData * d, const std::string & path)
 {
     assert(d->samples.size() > 0);
@@ -189,3 +193,19 @@ int WavEncoder::WriteFile(const EncoderParams p, const AudioData * d, const std:
     
     return EncoderError::NoError;
 }
+
+////////////////////////////
+//   Opus File Encoding   //
+////////////////////////////
+
+int OpusEncoder::WriteFile(const EncoderParams p, const AudioData * d, const std::string & path)
+{
+	assert(d->samples.size() > 0);
+
+    // Cast away const because we know what we are doing (Hopefully?)
+    float * sampleData = const_cast<float *>(d->samples.data());
+    size_t sampleDataSize = d->samples.size();
+
+    return EncoderError::NoError;
+}
+