1 files changed, 58 insertions, 0 deletions
diff --git a/sms/soundIO.c b/sms/soundIO.c
new file mode 100644
index 0000000..32f5c1d
--- /dev/null
+++ b/sms/soundIO.c
@@ -0,0 +1,58 @@
+/* 
+ * Copyright (c) 2008 MUSIC TECHNOLOGY GROUP (MTG)
+ *                         UNIVERSITAT POMPEU FABRA 
+ * 
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+/*! \file soundIO.c
+ * \brief soundfile input and output.
+*/
+#include "sms.h"
+
+const char *pChResidualFile = "residual.aiff";
+#define MAX_SAMPLES 10000
+
+/*! \brief fill the sound buffer
+ *
+ * \param sizeWaveform        size of input data
+ * \param pWaveform           input data
+ * \param pAnalParams        pointer to structure of analysis parameters
+ */
+void sms_fillSoundBuffer (int sizeWaveform, sfloat *pWaveform, SMS_AnalParams *pAnalParams)
+{
+	int i;
+    long sizeNewData = (long) sizeWaveform;
+
+	/* leave space for new data */
+	memcpy(pAnalParams->soundBuffer.pFBuffer,  pAnalParams->soundBuffer.pFBuffer+sizeNewData,
+           sizeof(sfloat) * (pAnalParams->soundBuffer.sizeBuffer - sizeNewData));
+
+	pAnalParams->soundBuffer.iFirstGood =
+		MAX(0, pAnalParams->soundBuffer.iFirstGood - sizeNewData);
+	pAnalParams->soundBuffer.iMarker += sizeNewData;
+
+	/* put the new data in, and do some pre-emphasis */
+	if (pAnalParams->iAnalysisDirection == SMS_DIR_REV)
+		for (i=0; i<sizeNewData; i++)
+			pAnalParams->soundBuffer.pFBuffer[pAnalParams->soundBuffer.sizeBuffer - sizeNewData + i] =
+				sms_preEmphasis(pWaveform[sizeNewData - (1+ i)], pAnalParams);
+	else
+		for (i=0; i<sizeNewData; i++)
+			pAnalParams->soundBuffer.pFBuffer[pAnalParams->soundBuffer.sizeBuffer - sizeNewData + i] =
+				sms_preEmphasis(pWaveform[i], pAnalParams);
+}
+