Initial Commit

common/embeddedaudiosynthesis/arm-wt-22k/host_src/eas_wave.h

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+/*----------------------------------------------------------------------------
+ *
+ * File:
+ * eas_wave.h
+ *
+ * Contents and purpose:
+ * Writes output to a .WAV file
+ *
+ * DO NOT MODIFY THIS FILE!
+ *
+ * Copyright Sonic Network Inc. 2005
+
+ * 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) $
+ *----------------------------------------------------------------------------
+*/
+
+#include "eas_types.h"
+
+/* sentinel */
+#ifndef _EAS_WAVE_H
+#define _EAS_WAVE_H
+
+/* .WAV file format chunk */
+typedef struct {
+    EAS_U16 wFormatTag;
+    EAS_U16 nChannels;
+    EAS_U32 nSamplesPerSec;
+    EAS_U32 nAvgBytesPerSec;
+    EAS_U16 nBlockAlign;
+    EAS_U16 wBitsPerSample;
+} FMT_CHUNK;
+
+/* .WAV file header */
+typedef struct {
+    EAS_U32 nRiffTag;
+    EAS_U32 nRiffSize;
+    EAS_U32 nWaveTag;
+    EAS_U32 nFmtTag;
+    EAS_U32 nFmtSize;
+    FMT_CHUNK fc;
+    EAS_U32 nDataTag;
+    EAS_U32 nDataSize;
+} WAVE_HEADER;
+
+typedef struct {
+    WAVE_HEADER wh;
+    FILE *file;
+    EAS_BOOL write;
+    EAS_U32 dataSize;
+} WAVE_FILE;
+
+WAVE_FILE *WaveFileCreate (const char *filename, EAS_I32 nChannels, EAS_I32 nSamplesPerSec, EAS_I32 wBitsPerSample);
+EAS_I32 WaveFileWrite (WAVE_FILE *wFile, void *buffer, EAS_I32 n);
+EAS_BOOL WaveFileClose (WAVE_FILE *wFile);
+WAVE_FILE *WaveFileOpen (const char *filename);
+
+#endif /* end #ifndef _EAS_WAVE_H */
+
+
+