diff usr/src/cmd/audio/include/AudioTypePcm.h @ 0:c9caec207d52 b86

Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/audio/include/AudioTypePcm.h	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,124 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1990-2001 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#ifndef _MULTIMEDIA_AUDIOTYPEPCM_H
+#define	_MULTIMEDIA_AUDIOTYPEPCM_H
+
+#pragma ident	"@(#)AudioTypePcm.h	1.2	05/06/08 SMI"
+
+#include <AudioTypeConvert.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// This is the class for a linear PCM conversion module
+
+class AudioTypePcm : public AudioTypeConvert {
+protected:
+	typedef unsigned char	ulaw;
+	typedef unsigned char	alaw;
+
+	// Conversion routines inline'd in the source file
+	double char2dbl(char);
+	double short2dbl(short);
+	double long2dbl(long);
+	long dbl2long(double, long);
+
+	void char2short(char *&, short *&);
+	void char2long(char *&, long *&);
+	void char2float(char *&, float *&);
+	void char2double(char *&, double *&);
+	void char2ulaw(char *&, ulaw *&);
+	void char2alaw(char *&, alaw *&);
+
+	void short2char(short *&, char *&);
+	void short2long(short *&, long *&);
+	void short2float(short *&, float *&);
+	void short2double(short *&, double *&);
+	void short2ulaw(short *&, ulaw *&);
+	void short2alaw(short *&, alaw *&);
+
+	void long2char(long *&, char *&);
+	void long2short(long *&, short *&);
+	void long2float(long *&, float *&);
+	void long2double(long *&, double *&);
+	void long2ulaw(long *&, ulaw *&);
+	void long2alaw(long *&, alaw *&);
+
+	void float2char(float *&, char *&);
+	void float2short(float *&, short *&);
+	void float2long(float *&, long *&);
+	void float2double(float *&, double *&);
+	void float2ulaw(float *&, ulaw *&);
+	void float2alaw(float *&, alaw *&);
+
+	void double2char(double *&, char *&);
+	void double2short(double *&, short *&);
+	void double2long(double *&, long *&);
+	void double2float(double *&, float *&);
+	void double2ulaw(double *&, ulaw *&);
+	void double2alaw(double *&, alaw *&);
+
+	void ulaw2char(ulaw *&, char *&);
+	void ulaw2short(ulaw*&, short *&);
+	void ulaw2long(ulaw*&, long *&);
+	void ulaw2float(ulaw *&, float *&);
+	void ulaw2double(ulaw *&, double *&);
+	void ulaw2alaw(ulaw *&, alaw *&);
+
+	void alaw2ulaw(alaw *&, ulaw *&);
+	void alaw2char(alaw *&, char *&);
+	void alaw2short(alaw *&, short *&);
+	void alaw2long(alaw *&, long *&);
+	void alaw2float(alaw *&, float *&);
+	void alaw2double(alaw *&, double *&);
+
+public:
+	AudioTypePcm();					// Constructor
+
+	// Class AudioTypeConvert methods specialized here
+
+	// TRUE if conversion ok
+	virtual Boolean CanConvert(
+	    AudioHdr h) const;			// type to check against
+
+	// Convert buffer to the specified type
+	// Either the input or output type must be handled by this class
+
+	// Convert to new type
+	virtual AudioError Convert(
+	    AudioBuffer*& inbuf,		// data buffer to process
+	    AudioHdr outhdr);			// target header
+
+	virtual AudioError Flush(AudioBuffer*& buf);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_MULTIMEDIA_AUDIOTYPEPCM_H */