Diff: DuerOS-Light-SDK-v1.1.0/duer-os-light/external/mp3dec/pub/mp3dec.h

Revision:

47:9e361da97763

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DuerOS-Light-SDK-v1.1.0/duer-os-light/external/mp3dec/pub/mp3dec.h	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,135 @@
+/* ***** BEGIN LICENSE BLOCK ***** 
+ * Version: RCSL 1.0/RPSL 1.0 
+ *  
+ * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
+ *      
+ * The contents of this file, and the files included with this file, are 
+ * subject to the current version of the RealNetworks Public Source License 
+ * Version 1.0 (the "RPSL") available at 
+ * http://www.helixcommunity.org/content/rpsl unless you have licensed 
+ * the file under the RealNetworks Community Source License Version 1.0 
+ * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
+ * in which case the RCSL will apply. You may also obtain the license terms 
+ * directly from RealNetworks.  You may not use this file except in 
+ * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
+ * applicable to this file, the RCSL.  Please see the applicable RPSL or 
+ * RCSL for the rights, obligations and limitations governing use of the 
+ * contents of the file.  
+ *  
+ * This file is part of the Helix DNA Technology. RealNetworks is the 
+ * developer of the Original Code and owns the copyrights in the portions 
+ * it created. 
+ *  
+ * This file, and the files included with this file, is distributed and made 
+ * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
+ * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
+ * 
+ * Technology Compatibility Kit Test Suite(s) Location: 
+ *    http://www.helixcommunity.org/content/tck 
+ * 
+ * Contributor(s): 
+ *  
+ * ***** END LICENSE BLOCK ***** */ 
+
+/**************************************************************************************
+ * Fixed-point MP3 decoder
+ * Jon Recker (jrecker@real.com), Ken Cooke (kenc@real.com)
+ * June 2003
+ *
+ * mp3dec.h - public C API for MP3 decoder
+ **************************************************************************************/
+
+#ifndef _MP3DEC_H
+#define _MP3DEC_H
+
+#define RDA5991H
+
+#if defined(_WIN32) && !defined(_WIN32_WCE)
+#
+#elif defined(_WIN32) && defined(_WIN32_WCE) && defined(ARM)
+#
+#elif defined(_WIN32) && defined(WINCE_EMULATOR)
+#
+#elif defined(ARM_ADS)
+#
+#elif defined(_SYMBIAN) && defined(__WINS__)	/* Symbian emulator for Ix86 */
+#
+#elif defined(__GNUC__) && defined(ARM)
+#
+#elif defined(__GNUC__) && defined(__i386__)
+#
+#elif defined(_OPENWAVE_SIMULATOR) || defined(_OPENWAVE_ARMULATOR)
+#
+#elif defined(RDA5991H)
+#else
+#error No platform defined. See valid options in mp3dec.h
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* determining MAINBUF_SIZE:
+ *   max mainDataBegin = (2^9 - 1) bytes (since 9-bit offset) = 511
+ *   max nSlots (concatenated with mainDataBegin bytes from before) = 1440 - 9 - 4 + 1 = 1428
+ *   511 + 1428 = 1939, round up to 1940 (4-byte align)
+ */
+#define MAINBUF_SIZE	1940
+
+#define MAX_NGRAN		2		/* max granules */
+#define MAX_NCHAN		2		/* max channels */
+#define MAX_NSAMP		576		/* max samples per channel, per granule */
+
+/* map to 0,1,2 to make table indexing easier */
+typedef enum {
+	MPEG1 =  0,
+	MPEG2 =  1,
+	MPEG25 = 2
+} MPEGVersion;
+
+typedef void *HMP3Decoder;
+
+enum {
+	ERR_MP3_NONE =                  0,
+	ERR_MP3_INDATA_UNDERFLOW =     -1,
+	ERR_MP3_MAINDATA_UNDERFLOW =   -2,
+	ERR_MP3_FREE_BITRATE_SYNC =    -3,
+	ERR_MP3_OUT_OF_MEMORY =	       -4,
+	ERR_MP3_NULL_POINTER =         -5,
+	ERR_MP3_INVALID_FRAMEHEADER =  -6,
+	ERR_MP3_INVALID_SIDEINFO =     -7,
+	ERR_MP3_INVALID_SCALEFACT =    -8,
+	ERR_MP3_INVALID_HUFFCODES =    -9,
+	ERR_MP3_INVALID_DEQUANTIZE =   -10,
+	ERR_MP3_INVALID_IMDCT =        -11,
+	ERR_MP3_INVALID_SUBBAND =      -12,
+
+	ERR_UNKNOWN =                  -9999
+};
+
+typedef struct _MP3FrameInfo {
+	int bitrate;
+	int nChans;
+	int samprate;
+	int bitsPerSample;
+	int outputSamps;
+	int layer;
+	int version;
+} MP3FrameInfo;
+
+/* public API */
+HMP3Decoder MP3InitDecoder(void);
+void MP3FreeDecoder(HMP3Decoder hMP3Decoder);
+int MP3Decode(HMP3Decoder hMP3Decoder, unsigned char **inbuf, int *bytesLeft, short *outbuf, int useSize);
+
+void MP3GetLastFrameInfo(HMP3Decoder hMP3Decoder, MP3FrameInfo *mp3FrameInfo);
+int MP3GetNextFrameInfo(HMP3Decoder hMP3Decoder, MP3FrameInfo *mp3FrameInfo, unsigned char *buf);
+int MP3FindSyncWord(unsigned char *buf, int nBytes);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _MP3DEC_H */