Add in output samplerate (#27)

* add in output samplerate

lameenc.c

@@ -119,7 +119,7 @@ static PyObject* setBitRate(EncoderObject* self, PyObject* args)
 }
 
 /**
- * Set the sample rate
+ * Set the input sample rate
  */
 static PyObject* setInSampleRate(EncoderObject* self, PyObject* args)
 {
@@ -139,6 +139,27 @@ static PyObject* setInSampleRate(EncoderObject* self, PyObject* args)
     Py_RETURN_NONE;
 }
 
+/**
+ * Set the output sample rate
+ */
+static PyObject* setOutSampleRate(EncoderObject* self, PyObject* args)
+{
+    int outsamplerate;
+
+    if (!PyArg_ParseTuple(args, "i", &outsamplerate))
+    {
+        return NULL;
+    }
+
+    if (lame_set_out_samplerate(self->lame, outsamplerate) < 0)
+    {
+        PyErr_SetString(PyExc_RuntimeError, "Unable to set the output sample rate");
+        return NULL;
+    }
+
+    Py_RETURN_NONE;
+}
+
 /**
  * Set the number of channels for the encoder
  */
@@ -334,6 +355,7 @@ static PyMethodDef Encoder_methods[] = {
     { "set_quality", (PyCFunction) &setQuality, METH_VARARGS, "Set the encoder quality, 2 is highest; 7 is fastest." },
     { "set_bit_rate", (PyCFunction) &setBitRate, METH_VARARGS, "Set the constant bit rate" },
     { "set_in_sample_rate", (PyCFunction) &setInSampleRate, METH_VARARGS, "Set the input sample rate" },
+    { "set_out_sample_rate", (PyCFunction) &setOutSampleRate, METH_VARARGS, "Set the output sample rate" },
     { "encode", (PyCFunction) &encode, METH_VARARGS, "Encode a block of PCM data, little-endian interleaved." },
     { "flush", (PyCFunction) &flush, METH_NOARGS, "Flush the last block of MP3 data" },
     { "silence", (PyCFunction) &silence, METH_NOARGS, "Silence the stdout from LAME" },

setup.py

@@ -66,10 +66,10 @@
     configuration['setup_requires'] = ['setuptools-git-versioning']
     configuration['setuptools_git_versioning'] = {
         'enabled': True,
-        'starting_version': '1.6.3'
+        'starting_version': '1.7.0'
     }
 else:
-    configuration['version'] = '1.6.3'
+    configuration['version'] = '1.7.0'
 
 # Create the package
 setuptools.setup(**configuration)