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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): Manuel Jander
+ Description: MPEG Transport data tables
+
+ 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 __TP_DATA_H__
+#define __TP_DATA_H__
+
+#include "machine_type.h"
+#include "FDK_audio.h"
+#include "FDK_bitstream.h"
+
+/*
+ * Configuration
+ */
+#define TP_GA_ENABLE
+/* #define TP_CELP_ENABLE */
+/* #define TP_HVXC_ENABLE */
+/* #define TP_SLS_ENABLE */
+#define TP_ELD_ENABLE
+/* #define TP_USAC_ENABLE */
+/* #define TP_RSVD50_ENABLE */
+
+#if defined(TP_GA_ENABLE) || defined(TP_SLS_ENABLE)
+#define TP_PCE_ENABLE /**< Enable full PCE support */
+#endif
+
+/**
+ * ProgramConfig struct.
+ */
+/* ISO/IEC 14496-3 4.4.1.1 Table 4.2 Program config element */
+#define PC_FSB_CHANNELS_MAX 16 /* Front/Side/Back channels */
+#define PC_LFE_CHANNELS_MAX 4
+#define PC_ASSOCDATA_MAX 8
+#define PC_CCEL_MAX 16 /* CC elements */
+#define PC_COMMENTLENGTH 256
+
+typedef struct
+{
+#ifdef TP_PCE_ENABLE
+ /* PCE bitstream elements: */
+ UCHAR ElementInstanceTag;
+ UCHAR Profile;
+ UCHAR SamplingFrequencyIndex;
+ UCHAR NumFrontChannelElements;
+ UCHAR NumSideChannelElements;
+ UCHAR NumBackChannelElements;
+ UCHAR NumLfeChannelElements;
+ UCHAR NumAssocDataElements;
+ UCHAR NumValidCcElements;
+
+ UCHAR MonoMixdownPresent;
+ UCHAR MonoMixdownElementNumber;
+
+ UCHAR StereoMixdownPresent;
+ UCHAR StereoMixdownElementNumber;
+
+ UCHAR MatrixMixdownIndexPresent;
+ UCHAR MatrixMixdownIndex;
+ UCHAR PseudoSurroundEnable;
+
+ UCHAR FrontElementIsCpe[PC_FSB_CHANNELS_MAX];
+ UCHAR FrontElementTagSelect[PC_FSB_CHANNELS_MAX];
+
+ UCHAR SideElementIsCpe[PC_FSB_CHANNELS_MAX];
+ UCHAR SideElementTagSelect[PC_FSB_CHANNELS_MAX];
+
+ UCHAR BackElementIsCpe[PC_FSB_CHANNELS_MAX];
+ UCHAR BackElementTagSelect[PC_FSB_CHANNELS_MAX];
+
+ UCHAR LfeElementTagSelect[PC_LFE_CHANNELS_MAX];
+
+ UCHAR AssocDataElementTagSelect[PC_ASSOCDATA_MAX];
+
+ UCHAR CcElementIsIndSw[PC_CCEL_MAX];
+ UCHAR ValidCcElementTagSelect[PC_CCEL_MAX];
+
+ UCHAR CommentFieldBytes;
+ UCHAR Comment[PC_COMMENTLENGTH];
+#endif /* TP_PCE_ENABLE */
+
+ /* Helper variables for administration: */
+ UCHAR isValid; /*!< Flag showing if PCE has been read successfully. */
+ UCHAR NumChannels; /*!< Amount of audio channels summing all channel elements including LFEs */
+ UCHAR NumEffectiveChannels; /*!< Amount of audio channels summing only SCEs and CPEs */
+ UCHAR elCounter;
+
+} CProgramConfig;
+
+typedef enum {
+ ASCEXT_UNKOWN = -1,
+ ASCEXT_SBR = 0x2b7,
+ ASCEXT_PS = 0x548,
+ ASCEXT_MPS = 0x76a,
+ ASCEXT_SAOC = 0x7cb,
+ ASCEXT_LDMPS = 0x7cc
+
+} TP_ASC_EXTENSION_ID;
+
+#ifdef TP_GA_ENABLE
+/**
+ * GaSpecificConfig struct
+ */
+typedef struct {
+ UINT m_frameLengthFlag ;
+ UINT m_dependsOnCoreCoder ;
+ UINT m_coreCoderDelay ;
+
+ UINT m_extensionFlag ;
+ UINT m_extensionFlag3 ;
+
+ UINT m_layer;
+ UINT m_numOfSubFrame;
+ UINT m_layerLength;
+
+} CSGaSpecificConfig;
+#endif /* TP_GA_ENABLE */
+
+
+
+
+#ifdef TP_ELD_ENABLE
+
+typedef enum {
+ ELDEXT_TERM = 0x0, /* Termination tag */
+ ELDEXT_SAOC = 0x1, /* SAOC config */
+ ELDEXT_LDSAC = 0x2 /* LD MPEG Surround config */
+ /* reserved */
+} ASC_ELD_EXT_TYPE;
+
+typedef struct {
+ UCHAR m_frameLengthFlag;
+
+ UCHAR m_sbrPresentFlag;
+ UCHAR m_useLdQmfTimeAlign; /* Use LD-MPS QMF in SBR to achive time alignment */
+ UCHAR m_sbrSamplingRate;
+ UCHAR m_sbrCrcFlag;
+
+} CSEldSpecificConfig;
+#endif /* TP_ELD_ENABLE */
+
+
+
+
+/**
+ * Audio configuration struct, suitable for encoder and decoder configuration.
+ */
+typedef struct {
+
+ /* XYZ Specific Data */
+ union {
+#ifdef TP_GA_ENABLE
+ CSGaSpecificConfig m_gaSpecificConfig; /**< General audio specific configuration. */
+#endif /* TP_GA_ENABLE */
+#ifdef TP_ELD_ENABLE
+ CSEldSpecificConfig m_eldSpecificConfig; /**< ELD specific configuration. */
+#endif /* TP_ELD_ENABLE */
+ } m_sc;
+
+ /* Common ASC parameters */
+#ifdef TP_PCE_ENABLE
+ CProgramConfig m_progrConfigElement; /**< Program configuration. */
+#endif /* TP_PCE_ENABLE */
+
+ AUDIO_OBJECT_TYPE m_aot; /**< Audio Object Type. */
+ UINT m_samplingFrequency; /**< Samplerate. */
+ UINT m_samplesPerFrame; /**< Amount of samples per frame. */
+ UINT m_directMapping; /**< Document this please !! */
+
+ AUDIO_OBJECT_TYPE m_extensionAudioObjectType; /**< Audio object type */
+ UINT m_extensionSamplingFrequency; /**< Samplerate */
+
+ SCHAR m_channelConfiguration; /**< Channel configuration index */
+
+ SCHAR m_epConfig; /**< Error protection index */
+ SCHAR m_vcb11Flag; /**< aacSectionDataResilienceFlag */
+ SCHAR m_rvlcFlag; /**< aacScalefactorDataResilienceFlag */
+ SCHAR m_hcrFlag; /**< aacSpectralDataResilienceFlag */
+
+ SCHAR m_sbrPresentFlag; /**< Flag indicating the presence of SBR data in the bitstream */
+ SCHAR m_psPresentFlag; /**< Flag indicating the presence of parametric stereo data in the bitstream */
+ UCHAR m_samplingFrequencyIndex; /**< Samplerate index */
+ UCHAR m_extensionSamplingFrequencyIndex; /**< Samplerate index */
+ SCHAR m_extensionChannelConfiguration; /**< Channel configuration index */
+
+} CSAudioSpecificConfig;
+
+typedef INT (*cbUpdateConfig_t)(void*, const CSAudioSpecificConfig*);
+typedef INT (*cbSsc_t)(
+ void*, HANDLE_FDK_BITSTREAM,
+ const AUDIO_OBJECT_TYPE coreCodec,
+ const INT samplingFrequency,
+ const INT muxMode,
+ const INT configBytes
+ );
+typedef INT (*cbSbr_t)(
+ void * self,
+ HANDLE_FDK_BITSTREAM hBs,
+ const INT sampleRateIn,
+ const INT sampleRateOut,
+ const INT samplesPerFrame,
+ const AUDIO_OBJECT_TYPE coreCodec,
+ const MP4_ELEMENT_ID elementID,
+ const INT elementIndex
+ );
+
+typedef struct {
+ cbUpdateConfig_t cbUpdateConfig; /*!< Function pointer for Config change notify callback. */
+ void *cbUpdateConfigData; /*!< User data pointer for Config change notify callback. */
+ cbSsc_t cbSsc; /*!< Function pointer for SSC parser callback. */
+ void *cbSscData; /*!< User data pointer for SSC parser callback. */
+ cbSbr_t cbSbr; /*!< Function pointer for SBR header parser callback. */
+ void *cbSbrData; /*!< User data pointer for SBR header parser callback. */
+} CSTpCallBacks;
+
+static const UINT SamplingRateTable[] =
+{ 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0,
+ 0
+};
+
+static inline
+int getSamplingRateIndex( UINT samplingRate )
+{
+ UINT sf_index, tableSize=sizeof(SamplingRateTable)/sizeof(UINT);
+
+ for (sf_index=0; sf_index<tableSize; sf_index++) {
+ if( SamplingRateTable[sf_index] == samplingRate ) break;
+ }
+
+ if (sf_index>tableSize-1) {
+ return tableSize-1;
+ }
+
+ return sf_index;
+}
+
+/*
+ * Get Channel count from channel configuration
+ */
+static inline int getNumberOfTotalChannels(int channelConfig)
+{
+ if (channelConfig > 0 && channelConfig < 8)
+ return (channelConfig == 7)?8:channelConfig;
+ else
+ return 0;
+}
+
+static inline
+int getNumberOfEffectiveChannels(const int channelConfig)
+{
+ const int n[] = {0,1,2,3,4,5,5,7};
+ return n[channelConfig];
+}
+
+#endif /* __TP_DATA_H__ */