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-rw-r--r--arm-fm-22k/lib_src/eas_chorusdata.h296
1 files changed, 148 insertions, 148 deletions
diff --git a/arm-fm-22k/lib_src/eas_chorusdata.h b/arm-fm-22k/lib_src/eas_chorusdata.h
index 4420ddd..ec8daa4 100644
--- a/arm-fm-22k/lib_src/eas_chorusdata.h
+++ b/arm-fm-22k/lib_src/eas_chorusdata.h
@@ -1,13 +1,13 @@
-/*----------------------------------------------------------------------------
- *
- * File:
- * eas_chorusdata.h
- *
- * Contents and purpose:
- * Contains the prototypes for the Chorus effect.
- *
- *
- * Copyright Sonic Network Inc. 2006
+/*----------------------------------------------------------------------------
+ *
+ * File:
+ * eas_chorusdata.h
+ *
+ * Contents and purpose:
+ * Contains the prototypes for the Chorus effect.
+ *
+ *
+ * Copyright Sonic Network Inc. 2006
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -20,141 +20,141 @@
* 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: 309 $
- * $Date: 2006-09-12 18:52:45 -0700 (Tue, 12 Sep 2006) $
- *----------------------------------------------------------------------------
-*/
-
-#ifndef _EAS_CHORUS_H
-#define _EAS_CHORUS_H
-
-#include "eas_types.h"
-#include "eas_audioconst.h"
-
-//defines for chorus
-
-#define EAS_CHORUS_BYPASS_DEFAULT 1
-#define EAS_CHORUS_PRESET_DEFAULT 0
-#define EAS_CHORUS_RATE_DEFAULT 30
-#define EAS_CHORUS_DEPTH_DEFAULT 39
-#define EAS_CHORUS_LEVEL_DEFAULT 32767
-
-#define EAS_CHORUS_LEVEL_MIN 0
-#define EAS_CHORUS_LEVEL_MAX 32767
-
-#define EAS_CHORUS_RATE_MIN 10
-#define EAS_CHORUS_RATE_MAX 50
-
-#define EAS_CHORUS_DEPTH_MIN 15
-#define EAS_CHORUS_DEPTH_MAX 60
-
-#define CHORUS_SIZE_MS 20
-#define CHORUS_L_SIZE ((CHORUS_SIZE_MS*_OUTPUT_SAMPLE_RATE)/1000)
-#define CHORUS_R_SIZE CHORUS_L_SIZE
-#define CHORUS_SHAPE_SIZE 128
-#define CHORUS_DELAY_MS 10
-
-#define CHORUS_MAX_TYPE 4 // any Chorus numbers larger than this are invalid
-
-typedef struct
-{
- EAS_I16 m_nRate;
- EAS_I16 m_nDepth;
- EAS_I16 m_nLevel;
-
-} S_CHORUS_PRESET;
-
-typedef struct
-{
- S_CHORUS_PRESET m_sPreset[CHORUS_MAX_TYPE]; //array of presets
-
-} S_CHORUS_PRESET_BANK;
-
-/* parameters for each Chorus */
-typedef struct
-{
- EAS_I32 lfoLPhase;
- EAS_I32 lfoRPhase;
- EAS_I16 chorusIndexL;
- EAS_I16 chorusIndexR;
- EAS_U16 chorusTapPosition;
-
- EAS_I16 m_nRate;
- EAS_I16 m_nDepth;
- EAS_I16 m_nLevel;
-
- //delay lines used by the chorus, longer would sound better
- EAS_PCM chorusDelayL[CHORUS_L_SIZE];
- EAS_PCM chorusDelayR[CHORUS_R_SIZE];
-
- EAS_BOOL bypass;
- EAS_I8 preset;
-
- EAS_I16 m_nCurrentChorus; // preset number for current Chorus
- EAS_I16 m_nNextChorus; // preset number for next Chorus
-
- S_CHORUS_PRESET pPreset;
-
- S_CHORUS_PRESET_BANK m_sPreset;
-
-} S_CHORUS_OBJECT;
-
-
-/*----------------------------------------------------------------------------
- * WeightedTap()
- *----------------------------------------------------------------------------
- * Purpose: Does fractional array look-up using linear interpolation
- *
- * first convert indexDesired to actual desired index by taking into account indexReference
- * then do linear interpolation between two actual samples using fractional part
- *
- * Inputs:
- * array: pointer to array of signed 16 bit values, typically either PCM data or control data
- * indexReference: the circular buffer relative offset
- * indexDesired: the fractional index we are looking up (16 bits index + 16 bits fraction)
- * indexLimit: the total size of the array, used to compute buffer wrap
- *
- * Outputs:
- * Value from the input array, linearly interpolated between two actual data values
- *
- *----------------------------------------------------------------------------
-*/
-static EAS_I16 WeightedTap(const EAS_I16 *array, EAS_I16 indexReference, EAS_I32 indexDesired, EAS_I16 indexLimit);
-
-/*----------------------------------------------------------------------------
- * ChorusReadInPresets()
- *----------------------------------------------------------------------------
- * Purpose: sets global Chorus preset bank to defaults
- *
- * Inputs:
- *
- * Outputs:
- *
- *----------------------------------------------------------------------------
-*/
-static EAS_RESULT ChorusReadInPresets(S_CHORUS_OBJECT *pChorusData);
-
-/*----------------------------------------------------------------------------
- * ChorusUpdate
- *----------------------------------------------------------------------------
- * Purpose:
- * Update the Chorus preset parameters as required
- *
- * Inputs:
- *
- * Outputs:
- *
- *
- * Side Effects:
- * - chorus paramters will be changed
- * - m_nCurrentChorus := m_nNextChorus
- *----------------------------------------------------------------------------
-*/
-static EAS_RESULT ChorusUpdate(S_CHORUS_OBJECT* pChorusData);
-
-#endif /* #ifndef _EAS_CHORUSDATA_H */
-
-
+ *
+ *----------------------------------------------------------------------------
+ * Revision Control:
+ * $Revision: 309 $
+ * $Date: 2006-09-12 18:52:45 -0700 (Tue, 12 Sep 2006) $
+ *----------------------------------------------------------------------------
+*/
+
+#ifndef _EAS_CHORUS_H
+#define _EAS_CHORUS_H
+
+#include "eas_types.h"
+#include "eas_audioconst.h"
+
+//defines for chorus
+
+#define EAS_CHORUS_BYPASS_DEFAULT 1
+#define EAS_CHORUS_PRESET_DEFAULT 0
+#define EAS_CHORUS_RATE_DEFAULT 30
+#define EAS_CHORUS_DEPTH_DEFAULT 39
+#define EAS_CHORUS_LEVEL_DEFAULT 32767
+
+#define EAS_CHORUS_LEVEL_MIN 0
+#define EAS_CHORUS_LEVEL_MAX 32767
+
+#define EAS_CHORUS_RATE_MIN 10
+#define EAS_CHORUS_RATE_MAX 50
+
+#define EAS_CHORUS_DEPTH_MIN 15
+#define EAS_CHORUS_DEPTH_MAX 60
+
+#define CHORUS_SIZE_MS 20
+#define CHORUS_L_SIZE ((CHORUS_SIZE_MS*_OUTPUT_SAMPLE_RATE)/1000)
+#define CHORUS_R_SIZE CHORUS_L_SIZE
+#define CHORUS_SHAPE_SIZE 128
+#define CHORUS_DELAY_MS 10
+
+#define CHORUS_MAX_TYPE 4 // any Chorus numbers larger than this are invalid
+
+typedef struct
+{
+ EAS_I16 m_nRate;
+ EAS_I16 m_nDepth;
+ EAS_I16 m_nLevel;
+
+} S_CHORUS_PRESET;
+
+typedef struct
+{
+ S_CHORUS_PRESET m_sPreset[CHORUS_MAX_TYPE]; //array of presets
+
+} S_CHORUS_PRESET_BANK;
+
+/* parameters for each Chorus */
+typedef struct
+{
+ EAS_I32 lfoLPhase;
+ EAS_I32 lfoRPhase;
+ EAS_I16 chorusIndexL;
+ EAS_I16 chorusIndexR;
+ EAS_U16 chorusTapPosition;
+
+ EAS_I16 m_nRate;
+ EAS_I16 m_nDepth;
+ EAS_I16 m_nLevel;
+
+ //delay lines used by the chorus, longer would sound better
+ EAS_PCM chorusDelayL[CHORUS_L_SIZE];
+ EAS_PCM chorusDelayR[CHORUS_R_SIZE];
+
+ EAS_BOOL bypass;
+ EAS_I8 preset;
+
+ EAS_I16 m_nCurrentChorus; // preset number for current Chorus
+ EAS_I16 m_nNextChorus; // preset number for next Chorus
+
+ S_CHORUS_PRESET pPreset;
+
+ S_CHORUS_PRESET_BANK m_sPreset;
+
+} S_CHORUS_OBJECT;
+
+
+/*----------------------------------------------------------------------------
+ * WeightedTap()
+ *----------------------------------------------------------------------------
+ * Purpose: Does fractional array look-up using linear interpolation
+ *
+ * first convert indexDesired to actual desired index by taking into account indexReference
+ * then do linear interpolation between two actual samples using fractional part
+ *
+ * Inputs:
+ * array: pointer to array of signed 16 bit values, typically either PCM data or control data
+ * indexReference: the circular buffer relative offset
+ * indexDesired: the fractional index we are looking up (16 bits index + 16 bits fraction)
+ * indexLimit: the total size of the array, used to compute buffer wrap
+ *
+ * Outputs:
+ * Value from the input array, linearly interpolated between two actual data values
+ *
+ *----------------------------------------------------------------------------
+*/
+static EAS_I16 WeightedTap(const EAS_I16 *array, EAS_I16 indexReference, EAS_I32 indexDesired, EAS_I16 indexLimit);
+
+/*----------------------------------------------------------------------------
+ * ChorusReadInPresets()
+ *----------------------------------------------------------------------------
+ * Purpose: sets global Chorus preset bank to defaults
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *----------------------------------------------------------------------------
+*/
+static EAS_RESULT ChorusReadInPresets(S_CHORUS_OBJECT *pChorusData);
+
+/*----------------------------------------------------------------------------
+ * ChorusUpdate
+ *----------------------------------------------------------------------------
+ * Purpose:
+ * Update the Chorus preset parameters as required
+ *
+ * Inputs:
+ *
+ * Outputs:
+ *
+ *
+ * Side Effects:
+ * - chorus paramters will be changed
+ * - m_nCurrentChorus := m_nNextChorus
+ *----------------------------------------------------------------------------
+*/
+static EAS_RESULT ChorusUpdate(S_CHORUS_OBJECT* pChorusData);
+
+#endif /* #ifndef _EAS_CHORUSDATA_H */
+
+