Initial community commit

Src/aacdec/incs/bitbuffer_c.h

@@ -0,0 +1,96 @@
+/***************************************************************************\ 
+ *
+ *               (C) copyright Fraunhofer - IIS (1998)
+ *                        All Rights Reserved
+ *
+ *   filename: bitbuffer_c.h
+ *   project : MPEG-4 Audio Decoder
+ *   author  : Stefan Gewinner gew@iis.fhg.de
+ *   contents/description: memory input class with transport format
+ *
+ *   This software and/or program is protected by copyright law and
+ *   international treaties. Any reproduction or distribution of this 
+ *   software and/or program, or any portion of it, may result in severe 
+ *   civil and criminal penalties, and will be prosecuted to the maximum 
+ *   extent possible under law.
+ *
+ * $Header: /cvs/root/winamp/aacdec/incs/bitbuffer_c.h,v 1.3 2012/05/08 20:16:49 audiodsp Exp $
+ *
+\***************************************************************************/
+
+#ifndef __BITBUFFER_C_H__
+#define __BITBUFFER_C_H__
+
+#include "mp4dec_helpers/machine.h"
+#include "mp4dec_helpers/bitstream_c.h"
+
+struct CSStreamInfo;
+
+enum
+{
+  CSBitBuffer_BufferSize = 8192,
+  CSBitBuffer_BufferBits = CSBitBuffer_BufferSize*8,
+
+  /* CBitBuffer_InvalidCrcValue = 0xFFFFFFFF, */
+  CBitBuffer_MaximumMarkers = 25*4
+
+  /* , CAverageNumber_MaximumSize = 16 */
+};
+
+
+typedef struct
+{
+  CSBitStream_MarkerPosition what ;
+
+  UINT32 m_elementBits ;
+
+  UINT32 m_ValidBits;
+  UINT32 m_BitCnt;
+  UINT32 m_BitNdx;
+
+} CMarker, *CMarkerPtr ;
+
+typedef struct CSBitBuffer
+{
+  CSBitStream base ;
+
+  UINT32 m_ValidBits;
+  UINT32 m_ReadOffset;
+  UINT32 m_BitCnt;
+  UINT32 m_BitNdx;
+
+  UINT32 m_FramesLeftInPacket ;
+  UINT32 m_FrameCrcValue ;
+
+  INT32 m_isEOF ;
+
+  UINT8 m_Buffer [CSBitBuffer_BufferSize] ;
+
+  /* CAverageNumber m_ActualBitrate ; */
+
+  UINT32 m_LastBufferFullness ;
+  UINT32 m_LastFrameLength ;
+
+  CMarker m_MarkerList [CBitBuffer_MaximumMarkers] ;
+  UINT32 m_Markers ;
+
+} CSBitBuffer, *CSBitBufferPtr ;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void CSBitBuffer_Initialize(CSBitBufferPtr self);
+
+void CSBitBuffer_Feed(CSBitBufferPtr self, const UINT8 pBuf[], const UINT32 cbSize, UINT32 *cbValid);
+
+INT32 CSBitBuffer_IsDecodableFrame(CSBitBufferPtr self, struct CSStreamInfo *info);
+INT32 CSBitBuffer_IsCrcConsistent(CSBitBufferPtr self) ;
+
+void CSBitBuffer_SetEOF(CSBitBufferPtr self) ;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif