Merge pull request #166 from Jay2645/add-streaming-audio-function

Created a 'write_audio_to_buffer' function.

Author: rdeioris

Source/UnrealEnginePython/Private/UEPyAudio.cpp

@@ -1,5 +1,34 @@
 #include "UnrealEnginePythonPrivatePCH.h"
+#include "Sound/SoundWaveProcedural.h"
 
+PyObject *py_queue_procedural_audio(ue_PyUObject *self, PyObject * args) {
+	// Writes from a Python buffer object to a USoundWaveProcedural class
+	ue_py_check(self);
+
+	if (!self->ue_object->IsA<USoundWaveProcedural>())
+		return PyErr_Format(PyExc_Exception, "UObject is not a USoundWaveProcedural.");
+
+	USoundWaveProcedural *sound_wave_procedural = (USoundWaveProcedural *)self->ue_object;
+	Py_buffer sound_buffer;
+
+	if(!PyArg_ParseTuple(args, "y*:write_audio_to_buffer", &sound_buffer)) {
+		return NULL;
+	}
+
+	// Convert the buffer
+	uint8 *buffer = (uint8 *)sound_buffer.buf;
+	if(buffer == nullptr)
+		return PyErr_Format(PyExc_Exception, "Invalid sound buffer.");
+
+	// Add the audio to the Sound Wave's audio buffer
+	sound_wave_procedural->QueueAudio(buffer, sound_buffer.len);
+	
+	// Clean up
+	PyBuffer_Release(&sound_buffer);
+
+	Py_INCREF(Py_None);
+	return Py_None;
+}
 
 PyObject *py_ue_play_sound_at_location(ue_PyUObject *self, PyObject * args) {
 

Source/UnrealEnginePython/Private/UEPyAudio.h

@@ -4,4 +4,5 @@
 
 #include "UnrealEnginePython.h"
 
+PyObject *py_queue_procedural_audio(ue_PyUObject *self, PyObject * args);
 PyObject *py_ue_play_sound_at_location(ue_PyUObject *, PyObject *);

Source/UnrealEnginePython/Private/UEPyModule.cpp

@@ -528,6 +528,7 @@ static PyMethodDef ue_PyUObject_methods[] = {
 	{ "get_actor_velocity", (PyCFunction)py_ue_get_actor_velocity, METH_VARARGS, "" },
 
 	{ "play_sound_at_location", (PyCFunction)py_ue_play_sound_at_location, METH_VARARGS, "" },
+	{ "queue_audio", (PyCFunction)py_queue_procedural_audio, METH_VARARGS, "" },
 
 	{ "world_tick", (PyCFunction)py_ue_world_tick, METH_VARARGS, "" },