Diff: DuerOS-Light-SDK-v1.1.0/duer-os-light/external/mp3dec/pub/mpadecobjfixpt.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/mpadecobjfixpt.h	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,108 @@
+/* ***** 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 ***** */ 
+
+#ifndef _MPADECOBJFIXPT_H_
+#define _MPADECOBJFIXPT_H_
+
+#include "mp3dec.h"		/* public C API for new MP3 decoder */
+
+class CMpaDecObj
+{
+public:
+    CMpaDecObj();
+    ~CMpaDecObj();
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Function:    Init_n
+    // Purpose:     Initialize the mp3 decoder.
+    // Parameters:  pSync       a pointer to a syncword
+    //              ulSize      the size of the buffer pSync points to
+    //              bUseSize    this tells the decoder to use the input frame
+    //                          size on the decode instead of calculating
+    //                          the frame size.  This is necessary when
+    //                          our formatted mp3 data (main_data_begin always
+    //                          equal to 0).
+    //
+    // Returns:     returns 1 on success, 0 on failure
+    ///////////////////////////////////////////////////////////////////////////
+    int     Init_n(unsigned char *pSync,
+                   unsigned long ulSize,
+                   unsigned char bUseSize=0);
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Function:    DecodeFrame_v
+    // Purpose:     Decodes one mp3 frame
+    // Parameters:  pSource     pointer to an mp3 frame (at a syncword)
+    //              pulSize     size of the buffer pSource points to.  It will
+    //                          contain the number of mp3 bytes decoded upon
+    //                          return.
+    //              pPCM        pointer to a buffer to decode into
+    //              pulPCMSize  size of the PCM buffer.  It will contain the
+    //                          number of PCM bytes prodced upon return.
+    ///////////////////////////////////////////////////////////////////////////
+    void    DecodeFrame_v(unsigned char *pSource,
+              	          unsigned long *pulSize,
+                   	      unsigned char *pPCM,
+                       	  unsigned long *pulPCMSize);
+
+	// overloaded new version that returns error code in errCode
+    void    DecodeFrame_v(unsigned char *pSource,
+              	          unsigned long *pulSize,
+                   	      unsigned char *pPCM,
+                       	  unsigned long *pulPCMSize, 
+						  int *errCode);
+
+    void    GetPCMInfo_v(unsigned long &ulSampRate,
+                         int &nChannels,
+                         int &nBitsPerSample);
+
+	// return number of samples per frame, PER CHANNEL (renderer multiplies this result by nChannels)
+    int     GetSamplesPerFrame_n();
+
+    void    SetTrustPackets(unsigned char bTrust) { m_bTrustPackets = bTrust; }
+
+private:
+	void *              m_pDec;		// generic void ptr
+
+	void *				m_pDecL1;	// not implemented (could use old Xing mpadecl1.cpp)
+	void *				m_pDecL2;	// not implemented (could use old Xing mpadecl2.cpp)
+	HMP3Decoder			m_pDecL3;
+
+	MP3FrameInfo		m_lastMP3FrameInfo;
+	unsigned char		m_bUseFrameSize;
+        unsigned char           m_bTrustPackets;
+};
+
+#endif	/* _MPADECOBJFIXPT_H_ */