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+/***************************** MPEG-4 AAC Decoder **************************
+
+ (C) Copyright Fraunhofer IIS (2004)
+ All Rights Reserved
+
+ Please be advised that this software and/or program delivery is
+ Confidential Information of Fraunhofer and subject to and covered by the
+
+ Fraunhofer IIS Software Evaluation Agreement
+ between Google Inc. and Fraunhofer
+ effective and in full force since March 1, 2012.
+
+ You may use this software and/or program only under the terms and
+ conditions described in the above mentioned Fraunhofer IIS Software
+ Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+ $Id$
+ Author(s): Daniel Homm
+ Description:
+
+ 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.
+
+******************************************************************************/
+
+#ifndef LATM_DEMUX_H
+#define LATM_DEMUX_H
+
+#include "tpdec_lib.h"
+
+
+#include "FDK_bitstream.h"
+
+#define MIN_LATM_HEADERLENGTH 9
+#define MIN_LOAS_HEADERLENGTH MIN_LATM_HEADERLENGTH + 24 /* both in bits */
+ #define MIN_TP_BUF_SIZE_LOAS ( 8194 )
+
+enum {
+ LATM_MAX_PROG = 1,
+ LATM_MAX_LAYER = 2,
+ LATM_MAX_VAR_CHUNKS=16,
+ LATM_MAX_ID=16
+};
+
+typedef struct {
+ UINT m_frameLengthType;
+ UINT m_bufferFullness;
+ UINT m_streamID;
+ UINT m_frameLengthInBits;
+} LATM_LAYER_INFO;
+
+typedef struct {
+ LATM_LAYER_INFO m_linfo[LATM_MAX_PROG][LATM_MAX_LAYER];
+ UINT m_taraBufferFullness;
+ UINT m_otherDataLength;
+ UINT m_audioMuxLengthBytes; /* Length of LOAS payload */
+
+ UCHAR m_useSameStreamMux;
+ UCHAR m_AudioMuxVersion;
+ UCHAR m_AudioMuxVersionA;
+ UCHAR m_allStreamsSameTimeFraming;
+ UCHAR m_noSubFrames;
+ UCHAR m_numProgram;
+ UCHAR m_numLayer;
+ UCHAR m_useSameConfig;
+
+ UCHAR m_otherDataPresent;
+ UCHAR m_crcCheckPresent;
+ UCHAR m_crcCheckSum;
+
+ SCHAR BufferFullnessAchieved;
+} CLatmDemux;
+
+int CLatmDemux_ReadAuChunkLengthInfo(HANDLE_FDK_BITSTREAM bs);
+
+TRANSPORTDEC_ERROR CLatmDemux_Read(
+ HANDLE_FDK_BITSTREAM bs,
+ CLatmDemux *pLatmDemux,
+ TRANSPORT_TYPE tt,
+ CSTpCallBacks *pTpDecCallbacks,
+ CSAudioSpecificConfig *pAsc,
+ const INT ignoreBufferFullness
+ );
+
+TRANSPORTDEC_ERROR CLatmDemux_ReadStreamMuxConfig(
+ HANDLE_FDK_BITSTREAM bs,
+ CLatmDemux *pLatmDemux,
+ CSTpCallBacks *pTpDecCallbacks,
+ CSAudioSpecificConfig *pAsc
+ );
+
+TRANSPORTDEC_ERROR CLatmDemux_ReadPayloadLengthInfo(HANDLE_FDK_BITSTREAM bs, CLatmDemux *pLatmDemux);
+
+int CLatmDemux_GetFrameLengthInBits(CLatmDemux *pLatmDemux);
+int CLatmDemux_GetOtherDataPresentFlag(CLatmDemux *pLatmDemux);
+int CLatmDemux_GetOtherDataLength(CLatmDemux *pLatmDemux);
+UINT CLatmDemux_GetNrOfSubFrames(CLatmDemux *pLatmDemux);
+
+
+#endif /* LATM_DEMUX_H */