From 416bd737074a287ea47106c73ea6bcfde40a75a8 Mon Sep 17 00:00:00 2001
From: John Glover <glover.john@gmail.com>
Date: Fri, 24 Jun 2011 18:17:23 +0100
Subject: Change to using distutils.

Currently only builds the simplsndobj module
---
 src/sms/soundIO.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/sms/soundIO.c

(limited to 'src/sms/soundIO.c')

diff --git a/src/sms/soundIO.c b/src/sms/soundIO.c
new file mode 100644
index 0000000..2e2379b
--- /dev/null
+++ b/src/sms/soundIO.c
@@ -0,0 +1,54 @@
+/* 
+ * 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"
+
+/*! \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);
+}
+
-- 
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