1 files changed, 66 insertions, 0 deletions
diff --git a/arm-hybrid-22k/lib_src/eas_wtsynth.h b/arm-hybrid-22k/lib_src/eas_wtsynth.h
new file mode 100644
index 0000000..106ab40
--- /dev/null
+++ b/arm-hybrid-22k/lib_src/eas_wtsynth.h
@@ -0,0 +1,66 @@
+/*----------------------------------------------------------------------------
+ *
+ * File: 
+ * eas_wtsynth.h
+ *
+ * Contents and purpose:
+ * This file defines the interface for synthesizer engine
+ *			
+ * Copyright Sonic Network Inc. 2004
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *----------------------------------------------------------------------------
+ * Revision Control:
+ *   $Revision: 82 $
+ *   $Date: 2006-07-10 11:45:19 -0700 (Mon, 10 Jul 2006) $
+ *----------------------------------------------------------------------------
+*/
+
+#ifndef _EAS_WTSYNTH_H
+#define _EAS_WTSYNTH_H
+
+#include "eas_sndlib.h"
+#include "eas_wtengine.h"
+
+/* adjust the filter cutoff frequency to the sample rate */
+#if	defined (_SAMPLE_RATE_8000)
+#define FILTER_CUTOFF_FREQ_ADJUST		0
+#elif defined (_SAMPLE_RATE_16000)
+#define FILTER_CUTOFF_FREQ_ADJUST		1200
+#elif defined (_SAMPLE_RATE_20000)
+#define FILTER_CUTOFF_FREQ_ADJUST		1586
+#elif defined (_SAMPLE_RATE_22050)
+#define FILTER_CUTOFF_FREQ_ADJUST		1756
+#elif defined (_SAMPLE_RATE_24000)
+#define FILTER_CUTOFF_FREQ_ADJUST		1902
+#elif defined (_SAMPLE_RATE_32000)
+#define FILTER_CUTOFF_FREQ_ADJUST		2400
+#elif defined (_SAMPLE_RATE_44100)
+#define FILTER_CUTOFF_FREQ_ADJUST		2956
+#elif defined (_SAMPLE_RATE_48000)
+#define FILTER_CUTOFF_FREQ_ADJUST		3102
+#else
+#error "_SAMPLE_RATE_XXXXX must be defined to valid rate"
+#endif
+
+/* function prototypes */
+void WT_UpdateLFO (S_LFO_CONTROL *pLFO, EAS_I16 phaseInc);
+
+#if defined(_FILTER_ENABLED) || defined(DLS_SYNTHESIZER)
+void WT_SetFilterCoeffs (S_WT_INT_FRAME *pIntFrame, EAS_I32 cutoff, EAS_I32 resonance);
+#endif
+
+#endif
+
+