/*  Copyright (c) MediaArea.net SARL. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license that can
 *  be found in the License.html file in the root of the source tree.
 */

//---------------------------------------------------------------------------
// Pre-compilation
#include "MediaInfo/PreComp.h"
#ifdef __BORLANDC__
    #pragma hdrstop
#endif
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
#include "MediaInfo/Setup.h"
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
#if defined(MEDIAINFO_AAC_YES)
//---------------------------------------------------------------------------

//---------------------------------------------------------------------------
#include "MediaInfo/Audio/File_Aac.h"
#if MEDIAINFO_ADVANCED
    #include "MediaInfo/MediaInfo_Config_MediaInfo.h"
#endif //MEDIAINFO_ADVANCED
#include <cmath>
using namespace std;
//---------------------------------------------------------------------------

namespace MediaInfoLib
{

//***************************************************************************
// Infos
//***************************************************************************

//---------------------------------------------------------------------------
extern const int32u Aac_sampling_frequency[]=
{
     96000, 88200, 64000, 48000,
     44100, 32000, 24000, 22050,
     16000, 12000, 11025,  8000,
      7350,     0,     0, 57600,
     51200, 40000, 38400, 34150,
     28800, 25600, 20000, 19200,
     17075, 14400, 12800,  9600,
         0,     0,     0,
};

//---------------------------------------------------------------------------
static const char* Aac_Adts_ID[]=
{
    "MPEG-4",
    "MPEG-2",
};

//---------------------------------------------------------------------------
static const char* Aac_Format(int8u ID)
{
    switch (ID)
    {
        case    1 :
        case    2 :
        case    3 :
        case    4 : return "AAC";
        case    5 : return "SBR";
        case    6 : return "AAC scalable";
        case    7 : return "TwinVQ";
        case    8 : return "CELP";
        case    9 : return "HVXC";
        case   12 : return "TTSI";
        case   13 : return "Main synthetic";
        case   14 : return "Wavetable synthesis";
        case   15 : return "General MIDI";
        case   16 : return "Algorithmic Synthesis and Audio FX";
        case   17 :
        case   19 :
        case   20 : return "ER AAC";
        case   21 : return "ER TwinVQ";
        case   22 : return "ER BSAC";
        case   23 : return "ER AAC LD";
        case   24 : return "ER CELP";
        case   25 : return "ER HVXC";
        case   26 : return "ER HILN";
        case   27 : return "ER Parametric";
        case   28 : return "SSC";
        case   29 : return "ParametricStereo";
        case   32 : return "Layer-1";
        case   33 : return "Layer-2";
        case   34 : return "Layer-3";
        case   35 : return "DST";
        case   36 : return "ALS";
        case   37 :
        case   38 : return "SLS";
        case   39 : return "ER AAC ELD";
        case   40 : return "SMR Simple";
        case   41 : return "SMR Main";
        case   42 : return "USAC";
        default   : return "";
    }
}

//---------------------------------------------------------------------------
const char* Aac_Format_Profile(int8u ID)
{
    switch (ID)
    {
        case    1 : return "Main";
        case    2 : return "LC";
        case    3 : return "SSR";
        case    4 : return "LTP";
        case   17 : return "LC";
        case   19 : return "LTP";
        case   37 : return "non-core";
        default   : return "";
    }
}

//---------------------------------------------------------------------------
const char* Aac_audioObjectType(int8u audioObjectType)
{
    switch (audioObjectType)
    {
        case    1 : return "AAC Main";
        case    2 : return "AAC LC";
        case    3 : return "AAC SSR";
        case    4 : return "AAC LTP";
        case    5 : return "SBR";
        case    6 : return "AAC scalable";
        case    7 : return "TwinVQ";
        case    8 : return "CELP";
        case    9 : return "HVXC";
        case   12 : return "TTSI";
        case   13 : return "Main synthetic";
        case   14 : return "Wavetable synthesis";
        case   15 : return "General MIDI";
        case   16 : return "Algorithmic Synthesis and Audio FX";
        case   17 : return "ER AAC LC";
        case   19 : return "ER AAC LTP";
        case   20 : return "ER AAC scalable";
        case   21 : return "ER TwinVQ";
        case   22 : return "ER BSAC";
        case   23 : return "ER AAC LD";
        case   24 : return "ER CELP";
        case   25 : return "ER HVXC";
        case   26 : return "ER HILN";
        case   27 : return "ER Parametric";
        case   28 : return "SSC";
        case   29 : return "PS";
        case   31 : return "(escape)";
        case   32 : return "Layer-1";
        case   33 : return "Layer-2";
        case   34 : return "Layer-3";
        case   35 : return "DST";
        case   36 : return "ALS";
        case   37 : return "SLS";
        case   38 : return "SLS non-core";
        case   39 : return "ER AAC ELD";
        case   40 : return "SMR Simple";
        case   41 : return "SMR Main";
        case   42 : return "USAC";
        default   : return "";
    }
}

//---------------------------------------------------------------------------
extern const int8u Aac_Channels[Aac_Channels_Size]=
{
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    8,
    //AudioSpecificConfig
    2,
    3,
    4,
    7,
    8,
    24,
    //MPEG-H 3D Audio
    8,
    12,
    10,
    12,
    14,
    12,
    14,
};
extern int8u Aac_Channels_Get(int8u ChannelLayout)
{
    if (ChannelLayout>=Aac_Channels_Size)
        return 0; // Unknown

    return Aac_Channels[ChannelLayout];
}
extern string Aac_Channels_GetString(int8u ChannelLayout)
{
    if (!ChannelLayout)
        return string();
    if (ChannelLayout>=Aac_Channels_Size)
        return "ChannelLayout "+Ztring::ToZtring(ChannelLayout).To_UTF8();

    return Ztring::ToZtring(Aac_Channels[ChannelLayout]).To_UTF8();
}

//---------------------------------------------------------------------------
static const char* Aac_ChannelConfiguration[Aac_Channels_Size]=
{
    "",
    "Front: C",
    "Front: L R",
    "Front: L C R",
    "Front: L C R, Back: C",
    "Front: L C R, Side: L R",
    "Front: L C R, Side: L R, LFE",
    "Front: L C R, Side: L R, Back: L R, LFE",
    //AudioSpecificConfig
    "Dual mono",
    "Front: L R, Back: C",
    "Front: L C R, Back: L R",
    "Front: L C R, Back: L C R, LFE",
    "Front: L C R, Back: L L R R, LFE",
    "",
    //MPEG-H 3D Audio
    "",
    "",
    "",
    "",
    "",
    "",
    "",
};
extern string Aac_ChannelConfiguration_GetString(int8u ChannelLayout)
{
    if (!ChannelLayout || ChannelLayout>=Aac_Channels_Size)
        return string();

    return Aac_ChannelConfiguration[ChannelLayout];
}

//---------------------------------------------------------------------------
static const char* Aac_ChannelConfiguration2[Aac_Channels_Size]=
{
    "",
    "1/0/0",
    "2/0/0",
    "3/0/0",
    "3/0/1",
    "3/2/0",
    "3/2/0.1",
    "3/4/0.1",
    //AudioSpecificConfig
    "1+1",
    "2/0/1",
    "3/2/0",
    "3/2/1.1",
    "3/2/2.1",
    "",
    //MPEG-H 3D Audio
    "",
    "",
    "",
    "",
    "",
    "",
    "",
};
extern string Aac_ChannelConfiguration2_GetString(int8u ChannelLayout)
{
    if (!ChannelLayout || ChannelLayout>=Aac_Channels_Size)
        return string();

    return Aac_ChannelConfiguration2[ChannelLayout];
}

//---------------------------------------------------------------------------
static const Aac_OutputChannel Aac_ChannelLayout[]= //Size of each line is provided by Aac_Channels[]
{
    CH_M_000,
    CH_M_L030, CH_M_R030,
    CH_M_000, CH_M_L030, CH_M_R030,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_180,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110, CH_LFE,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110, CH_M_L060, CH_M_R060, CH_LFE,
    //AudioSpecificConfig
    CH_M_000, CH_M_000,
    CH_M_L030, CH_M_R030, CH_M_180,
    CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110, CH_M_180, CH_LFE,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110, CH_M_L135, CH_M_R135, CH_LFE,
    CH_M_000, CH_M_L030, CH_M_R030, CH_M_L060, CH_M_R060, CH_M_L090, CH_M_R090, CH_M_L135, CH_M_R135, CH_M_180, CH_LFE, CH_LFE2, CH_U_000, CH_U_L030, CH_U_R030, CH_U_L090, CH_U_R090, CH_T_000, CH_U_L135, CH_U_R135, CH_U_180, CH_L_000, CH_L_L045, CH_L_R045,
};

//---------------------------------------------------------------------------
static const Aac_OutputChannel Aac_ChannelLayout_MpegH[]= //Size of each line is provided by Aac_Channels[]
{
    CH_M_000,
    CH_M_L030, CH_M_R030,
    CH_M_L030, CH_M_R030, CH_M_000,
    CH_M_L030, CH_M_R030, CH_M_000, CH_M_180,
    CH_M_L030, CH_M_R030, CH_M_000, CH_M_L110, CH_M_R110,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_M_L060, CH_M_R060,
    //AudioSpecificConfig
    CH_M_000, CH_M_000,
    CH_M_L030, CH_M_R030, CH_M_180,
    CH_M_L030, CH_M_R030, CH_M_L110, CH_M_R110,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_M_180,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_M_L135, CH_M_R135,
    CH_M_L060, CH_M_R060, CH_M_000, CH_LFE2, CH_M_L135, CH_M_R135, CH_M_L030, CH_M_R030, CH_M_180, CH_LFE3, CH_M_L090, CH_M_R090, CH_U_L045, CH_U_R045, CH_U_000, CH_T_000, CH_U_L135, CH_U_R135, CH_U_L090, CH_U_R090, CH_U_180, CH_L_000, CH_L_L045, CH_L_R045,
    //MPEG-H
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_U_L030, CH_U_R030,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE2, CH_M_L135, CH_M_R135, CH_LFE3, CH_M_L090, CH_M_R090, CH_U_L045, CH_U_R045, CH_U_180,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_U_L030, CH_U_R030, CH_U_L110, CH_U_R110,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_U_L030, CH_U_R030, CH_U_000, CH_U_L110, CH_U_R110, CH_T_000,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L110, CH_M_R110, CH_M_L150, CH_M_R150, CH_U_L030, CH_U_R030, CH_U_000, CH_U_L110, CH_U_R110, CH_T_000,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L135, CH_M_R135, CH_M_L090, CH_M_R090, CH_U_L030, CH_U_R030, CH_U_L135, CH_U_R135,
    CH_M_L030, CH_M_R030, CH_M_000, CH_LFE, CH_M_L135, CH_M_R135, CH_M_L090, CH_M_R090, CH_U_L045, CH_U_R045, CH_U_L135, CH_U_R135, CH_M_LSCR, CH_M_RSCR,
};

static const size_t Aac_OutputChannelPosition_Size=CH_MAX;
static const char* const Aac_OutputChannelPosition[Aac_OutputChannelPosition_Size]=
{
    //USAC
    "L",
    "R",
    "C",
    "LFE",
    "Ls",
    "Rs",
    "Lc",
    "Rc",
    "Lsr",
    "Rsr",
    "Cs",
    "Lsd",
    "Rsd",
    "Lss",
    "Rss",
    "Lw",
    "Rw",
    "Lv",
    "Rv",
    "Cv",
    "Lvr",
    "Rvr",
    "Cvr",
    "Lvss",
    "Rvss",
    "Ts",
    "LFE2",
    "Lb",
    "Rb",
    "Cb",
    "Lvs",
    "Rvs",
    //MPEG-H 3D Audio
    "Lv", // +45 version of Lv (+30), merged
    "Rv", // -45 version of Rv (-30), merged
    "L", // +45 version of L (+30), merged
    "R", // -45 version of R (-30), merged
    "LFE3",
    "Lscr",
    "Rscr",
    "Lsch",
    "Rsch",
    "Lsr", // +150 version of Lsr (+135), merged
    "Rsr", // -150 version of Rsr (-135), merged
};
extern string Aac_OutputChannelPosition_GetString(int8u OutputChannelPosition)
{
    if (OutputChannelPosition>=Aac_OutputChannelPosition_Size)
        return "OutputChannelPosition"+Ztring::ToZtring(OutputChannelPosition).To_UTF8();

    return Aac_OutputChannelPosition[OutputChannelPosition];
}

//---------------------------------------------------------------------------
extern string Aac_ChannelLayout_GetString(const Aac_OutputChannel* const OutputChannels, size_t OutputChannels_Size)
{
    if (!OutputChannels)
        return string();

    // Build the string
    string Value;
    for (int i=0; i< OutputChannels_Size; i++)
    {
        if (OutputChannels[i]<Aac_OutputChannelPosition_Size)
            Value+=Aac_OutputChannelPosition[OutputChannels[i]];
        else
            Value+=Ztring::ToZtring(OutputChannels[i]).To_UTF8();
        Value+=' ';
    }
    Value.resize(Value.size()-1);
    return Value;
}
string Aac_ChannelLayout_GetString(int8u ChannelLayout, bool IsMpegh3da=false, bool IsTip=false)
{
    if (!ChannelLayout)
        return string();
    if (ChannelLayout==1)
        return IsTip?" (M)":"M";
    if (ChannelLayout>=(IsMpegh3da?Aac_Channels_Size:Aac_Channels_Size_Usac))
    {
        if (IsTip)
            return {};
        return "ChannelLayout"+Ztring::ToZtring(ChannelLayout).To_UTF8();
    }

    // Compute start/end in Aac_ChannelLayout array
    int Aac_ChannelLayout_Start=0;
    for (int i=0; i<ChannelLayout; i++)
        Aac_ChannelLayout_Start+=Aac_Channels[i];
    int Aac_ChannelLayout_End=Aac_ChannelLayout_Start+Aac_Channels[ChannelLayout];

    // Build the string
    auto V=Aac_ChannelLayout_GetString((IsMpegh3da?Aac_ChannelLayout_MpegH:Aac_ChannelLayout)+Aac_ChannelLayout_Start, Aac_ChannelLayout_End-Aac_ChannelLayout_Start);
    if (IsTip)
        return " ("+V+')';
    return V;
}
extern string Aac_ChannelLayout_GetString(const vector<Aac_OutputChannel>& OutputChannels)
{
    if (OutputChannels.empty())
        return string();
    return Aac_ChannelLayout_GetString(&*OutputChannels.begin(), OutputChannels.size());
}

//---------------------------------------------------------------------------
extern const int8u Aac_ChannelMode_Max=4; // 0=Middle, 1=LFE, 2=Upper, 3=Bottom
extern const char Aac_ChannelMode[Aac_OutputChannelPosition_Size]=
{
    //USAC
    0,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    2,
    2,
    2,
    2,
    2,
    2,
    2,
    2,
    2,
    1,
    3,
    3,
    3,
    2,
    2,
    //MPEG-H 3D Audio
    2,
    2,
    0,
    0,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
};

//---------------------------------------------------------------------------
extern string Aac_ChannelMode_GetString(const Aac_OutputChannel* const OutputChannels, size_t OutputChannels_Size)
{
    if (!OutputChannels)
        return string();

    // Count
    int8u ChannelModes[Aac_ChannelMode_Max+1];
    memset(ChannelModes, 0, Aac_ChannelMode_Max+1);
    for (int i=0; i<OutputChannels_Size; i++)
    {
        if (OutputChannels[i]>=Aac_OutputChannelPosition_Size)
            ChannelModes[Aac_ChannelMode_Max]++;
        else
            ChannelModes[Aac_ChannelMode[OutputChannels[i]]]++;
    }

    // Build the string
    string Value;
    if (OutputChannels_Size==24 && ChannelModes[0]==10 && ChannelModes[1]==2 && ChannelModes[2]==9 && ChannelModes[3]==3)
    {
        Value="22.2";
    }
    else
    {
        Value=Ztring::ToZtring(ChannelModes[0]).To_UTF8()+'.'+Ztring::ToZtring(ChannelModes[1]).To_UTF8();
        if (ChannelModes[2] || ChannelModes[3])
        {
             Value+='.'+Ztring::ToZtring(ChannelModes[2]).To_UTF8();
             if (ChannelModes[3])
                Value+='.'+Ztring::ToZtring(ChannelModes[3]).To_UTF8();
        }
        if (ChannelModes[Aac_ChannelMode_Max])
            Value+='+'+Ztring::ToZtring(ChannelModes[Aac_ChannelMode_Max]).To_UTF8();
    }
    return Value;
}
extern string Aac_ChannelMode_GetString(int8u ChannelLayout, bool IsMpegh3da=false)
{
    if (!ChannelLayout)
        return string();
    if (ChannelLayout==1)
        return "M";
    if (ChannelLayout>=(IsMpegh3da?Aac_Channels_Size:Aac_Channels_Size_Usac))
        return "ChannelLayout"+Ztring::ToZtring(ChannelLayout).To_UTF8();

    // Compute start/end in Aac_ChannelLayout array
    int Aac_ChannelLayout_Start=0;
    for (int i=0; i<ChannelLayout; i++)
        Aac_ChannelLayout_Start+=Aac_Channels[i];
    int Aac_ChannelLayout_End=Aac_ChannelLayout_Start+Aac_Channels[ChannelLayout];

    // Build the string
    return Aac_ChannelMode_GetString((IsMpegh3da?Aac_ChannelLayout_MpegH:Aac_ChannelLayout)+Aac_ChannelLayout_Start, Aac_ChannelLayout_End-Aac_ChannelLayout_Start);
}
extern string Aac_ChannelMode_GetString(const vector<Aac_OutputChannel>& OutputChannels)
{
    if (OutputChannels.empty())
        return string();
    return Aac_ChannelMode_GetString(&*OutputChannels.begin(), OutputChannels.size());
}

//---------------------------------------------------------------------------
int8u Aac_AudioSpecificConfig_sampling_frequency_index(const int64s sampling_frequency, bool usac=false)
{
    if (sampling_frequency>=92017) return 0;
    if (sampling_frequency>=75132) return 1;
    if (sampling_frequency>=55426) return 2;
    if (sampling_frequency>=46009) return 3;
    if (sampling_frequency>=37566 && !usac) return 4;
    if (sampling_frequency>=42000 && usac) return 4;
    if (sampling_frequency>=35777 && usac) return 17;
    if (sampling_frequency>=27713) return 5;
    if (sampling_frequency>=23004) return 6;
    if (sampling_frequency>=18783) return 7;
    if (sampling_frequency>=13856 || usac) return 8;
    if (sampling_frequency>=11502) return 9;
    if (sampling_frequency>=9391) return 10;
    return 11;
}

//---------------------------------------------------------------------------
void File_Aac::AudioSpecificConfig (size_t End)
{
    //Parsing
    bool    sbrData=false, sbrPresentFlag=false, psData=false, psPresentFlag=false;
    Element_Begin1("AudioSpecificConfig");
    GetAudioObjectType(audioObjectType,                         "audioObjectType");
    Infos["CodecID"].From_Number(audioObjectType);
    Get_S1 (4, sampling_frequency_index,                        "samplingFrequencyIndex"); Param_Info1C(sampling_frequency_index<Aac_sampling_frequency_Size, Aac_sampling_frequency[sampling_frequency_index]);
    if (sampling_frequency_index==0xF)
    {
        int32u samplingFrequency;
        Get_S3 (24, samplingFrequency,                          "samplingFrequency");
        Frequency_b=samplingFrequency;
        sampling_frequency_index=Aac_AudioSpecificConfig_sampling_frequency_index(Frequency_b);
    }
    else if(sampling_frequency_index<Aac_sampling_frequency_Size)
        Frequency_b=Aac_sampling_frequency[sampling_frequency_index];
    else
        Frequency_b=0;
    #if MEDIAINFO_CONFORMANCE
        if (ConformanceFlags && SamplingRate && Frequency_b!=SamplingRate) //TODO: handling of AAC implicit SBR
            Fill_Conformance("Crosscheck AudioSampleEntry samplerate", ("MP4 AudioSampleEntry samplerate " + to_string(SamplingRate) + " does not match MP4 AudioSpecificConfig samplingFrequency " + to_string(Frequency_b)).c_str());
    #endif
    Get_S1 (4, channelConfiguration,                            "channelConfiguration"); Param_Info1(Aac_ChannelConfiguration[channelConfiguration]);
    if (audioObjectType==5 || audioObjectType==29)
    {
        extensionAudioObjectType=5;
        sbrPresentFlag=true;
        if (audioObjectType==29)
            psPresentFlag=true;
        Get_S1 (4, extension_sampling_frequency_index,          "extensionSamplingFrequencyIndex"); Param_Info1C(sampling_frequency_index<Aac_sampling_frequency_Size, Aac_sampling_frequency[extension_sampling_frequency_index]);
        if (extension_sampling_frequency_index==0xF)
        {
            Get_S3 (24, extension_sampling_frequency,           "extensionSamplingFrequency");
            sampling_frequency_index=Aac_AudioSpecificConfig_sampling_frequency_index(extension_sampling_frequency);
        }
        else
            extension_sampling_frequency=Aac_sampling_frequency[extension_sampling_frequency_index];
        GetAudioObjectType(audioObjectType,                     "audioObjectType");
        if (audioObjectType==22) //BSAC
            Skip_S1(4,                                          "extensionChannelConfiguration");
    }
    else
        extensionAudioObjectType=0x00;

    switch (audioObjectType)
    {
        case 1:
        case 2:
        case 3:
        case 4:
        case 6:
        case 7:
        case 17:
        case 19:
        case 20:
        case 21:
        case 22:
        case 23:
            GASpecificConfig();
            break;
        case 8:
            CelpSpecificConfig();
            break;
        case 9:
            HvxcSpecificConfig();
            break;
        case 12:
            TTSSpecificConfig();
            break;
        //~ case 13:
        //~ case 14:
        //~ case 15:
        //~ case 16:
            //~ StructuredAudioSpecificConfig();
            //~ break;
        case 24:
            ErrorResilientCelpSpecificConfig();
            break;
        case 25:
            ErrorResilientHvxcSpecificConfig();
            break;
        case 26:
        case 27:
            ParametricSpecificConfig();
            break;
        case 28:
            SSCSpecificConfig();
            break;
        //~ case 30:
            //~ Skip_S1(1,                                          "sacPayloadEmbedding");
            //~ SpatialSpecificConfig(); //ISO/IEC 23003-1
            //~ break;
        case 32:
        case 33:
        case 34:
            MPEG_1_2_SpecificConfig();
            break;
        case 35:
            DSTSpecificConfig();
            break;
        case 36:
            Skip_S1(5,                                          "fillBits");
            ALSSpecificConfig();
            break;
        case 37:
        case 38:
            SLSSpecificConfig();
            break;
        case 39:
            ELDSpecificConfig();
            break;
        //~ case 40:
        //~ case 41:
            //~ SymbolicMusicSpecificConfig(); //ISO/IEC 14496-23
            //~ break;
        case 42:
            UsacConfig();
            break;
        default:
            Element_Begin1("not implemented part");
            Skip_BS(Data_BS_Remain()-((End==(size_t)-1)?0:End), "(Not implemented)");
            Element_End0();
            Frame_Count=(size_t)-1; //Forcing not to parse following data anymore
    }

    switch (audioObjectType)
    {
        case 17:
        case 19:
        case 20:
        case 21:
        case 22:
        case 23:
        case 24:
        case 25:
        case 26:
        case 27:
        case 39:
            int8u epConfig;
            Get_S1(2,epConfig,                                  "epConfig");
            if ( epConfig == 2 || epConfig == 3 )
                ErrorProtectionSpecificConfig();
            if ( epConfig == 3 )
            {
                bool directMapping;
                Get_SB(directMapping,                           "directMapping");
                if ( ! directMapping )
                {
                    Element_Begin1("not implemented part");
                    Skip_BS(Data_BS_Remain()-((End==(size_t)-1)?0:End), "(Not implemented)");
                    Element_End0();
                    if (Mode==Mode_LATM)
                        File__Analyze::Accept();
                    Frame_Count=(size_t)-1; //Forcing not to parse following data anymore
                }
            }
            break;
        default : ;
    }

    if (extensionAudioObjectType!=5 && End!=(size_t)-1 && Data_BS_Remain()>=End+16)
    {
        int16u syncExtensionType;
        Get_S2(11,syncExtensionType,                            "syncExtensionType");
        if (syncExtensionType == 0x2b7)
        {
            sbrData=true;
            GetAudioObjectType(extensionAudioObjectType,        "extensionAudioObjectType");
            if (extensionAudioObjectType==5 )
            {
                Get_SB(sbrPresentFlag,                          "sbrPresentFlag");
                if (sbrPresentFlag)
                {
                    Get_S1 (4, extension_sampling_frequency_index, "extensionSamplingFrequencyIndex"); Param_Info1(Aac_sampling_frequency[extension_sampling_frequency_index]);
                    if (extension_sampling_frequency_index==0xF)
                    {
                        Get_S3 (24, extension_sampling_frequency, "extensionSamplingFrequency");
                        extension_sampling_frequency_index=Aac_AudioSpecificConfig_sampling_frequency_index(extension_sampling_frequency);
                    }
                    else
                        extension_sampling_frequency=Aac_sampling_frequency[extension_sampling_frequency_index];
                    if (Data_BS_Remain()>=End+12)
                    {
                        int16u syncExtensionType;
                        Get_S2(11,syncExtensionType,            "syncExtensionType");
                        if (syncExtensionType == 0x548)
                        {
                            psData=true;
                            Get_SB (psPresentFlag,              "psPresentFlag");
                        }
                    }
                }
            }
            if ( extensionAudioObjectType == 29 )
            {
                Get_SB(sbrPresentFlag,                          "sbrPresentFlag");
                if (sbrPresentFlag)
                {
                    Get_S1 (4, extension_sampling_frequency_index, "extensionSamplingFrequencyIndex"); Param_Info1(Aac_sampling_frequency[extension_sampling_frequency_index]);
                    if (extension_sampling_frequency_index==0xF)
                    {
                        Get_S3 (24, extension_sampling_frequency, "extensionSamplingFrequency");
                        extension_sampling_frequency_index=Aac_AudioSpecificConfig_sampling_frequency_index(extension_sampling_frequency);
                    }
                    else
                        extension_sampling_frequency=Aac_sampling_frequency[extension_sampling_frequency_index];
                }
                Skip_S1(4,                                      "extensionChannelConfiguration");
            }
        }
    }
    Element_End0();
    if (Data_BS_Remain()>End)
    {
        int8u LastByte=0xFF;
        if (Data_BS_Remain()-End<8)
            Peek_S1((int8u)(Data_BS_Remain()-End), LastByte);
        Skip_BS(Data_BS_Remain()-End,                           LastByte?"Unknown":"Padding");
    }

    //FILLING_BEGIN();
        AudioSpecificConfig_OutOfBand (Frequency_b, audioObjectType, sbrData, psData, sbrPresentFlag, psPresentFlag);
        if (Frame_Count==(size_t)-1)
        {
            if (Mode==File_Aac::Mode_ADIF || Mode==File_Aac::Mode_ADTS)
                File__Tags_Helper::Finish();
            else
                File__Analyze::Finish();
        }
    //FILLING_END()
}

//---------------------------------------------------------------------------
void File_Aac::AudioSpecificConfig_OutOfBand (int64s sampling_frequency_, int8u audioObjectType_, bool sbrData, bool psData, bool sbrPresentFlag, bool psPresentFlag)
{
    if (!Frequency_b && sampling_frequency_) //Only if not yet set
    {
        Frequency_b=sampling_frequency_;
        sampling_frequency_index=Aac_AudioSpecificConfig_sampling_frequency_index((int32u)Frequency_b);
    }

    if (audioObjectType_==(int8u)-1)
    {
        if (audioObjectType==(int8u)-1)
            return; //All data is not yet available
        std::map<std::string, Ztring>::const_iterator i=Infos.find("Format_Settings_SBR");
        if (i!=Infos.end())
        {
            sbrData=true;
            sbrPresentFlag=i->second.find(__T("Yes"))!=string::npos;
        }
        else
        {
            sbrData=false;
            sbrPresentFlag=false;
        }
        i = Infos.find("Format_Settings_PS");
        if (i!=Infos.end())
        {
            psData=true;
            psPresentFlag=i->second.find(__T("Yes"))!=string::npos;
        }
        else
        {
            psData=false;
            psPresentFlag=false;
        }
    }
    else
        audioObjectType=audioObjectType_;

    if (Frequency_b)
        Infos["SamplingRate"].From_Number(Frequency_b);
    Infos["Format"].From_UTF8(Aac_Format(audioObjectType));
    Infos["Format_Profile"].From_UTF8(Aac_Format_Profile(audioObjectType));
    Infos["Codec"].From_UTF8(Aac_audioObjectType(audioObjectType));
    if (channelConfiguration && channelConfiguration!=(int8u)-1 && !FromIamf)
    {
        Infos["Channel(s)"].From_UTF8(Aac_Channels_GetString(channelConfiguration));
        Infos["ChannelPositions"].From_UTF8(Aac_ChannelConfiguration_GetString(channelConfiguration));
        Infos["ChannelPositions/String2"].From_UTF8(Aac_ChannelConfiguration2_GetString(channelConfiguration));
        Infos["ChannelLayout"].From_UTF8(Aac_ChannelLayout_GetString(channelConfiguration));
    }
    else if (audioObjectType_==42 && Conf.IFrameParsed && Conf.numOutChannels &&!FromIamf)
    {
        Infos["Channel(s)"].From_Number(Conf.numOutChannels);
    }

    if (sbrPresentFlag || !Infos["Format_Settings_SBR"].empty())
    {
        Infos["Format_Profile"]=__T("HE-AAC");
        int32u SamplingRate=(extension_sampling_frequency_index==(int8u)-1)?(((int32u)Frequency_b)*2):extension_sampling_frequency;
        if (SamplingRate)
        {
            const Ztring SamplingRate_Previous = Infos["SamplingRate"];
            Infos["SamplingRate"].From_Number(SamplingRate, 10);
            if (MediaInfoLib::Config.LegacyStreamDisplay_Get())
            {
                Infos["Format_Profile"]+=__T(" / LC");
                Infos["SamplingRate"]+=__T(" / ")+SamplingRate_Previous;
            }
        }
        Infos["Format_Settings"]=sbrData?__T("Explicit"):__T("NBC"); // "Not Backward Compatible"
        Infos["Format_Settings_SBR"]=sbrData?__T("Yes (Explicit)"):__T("Yes (NBC)"); // "Not Backward Compatible"
        Infos["Codec"]=Ztring().From_UTF8(Aac_audioObjectType(audioObjectType))+__T("-SBR");
    }
    else if (sbrData)
        Infos["Format_Settings_SBR"]=__T("No (Explicit)");

    if (psPresentFlag || !Infos["Format_Settings_PS"].empty())
        FillInfosHEAACv2(psData ? __T("Explicit") : __T("NBC")); // "Not Backward Compatible");
    else if (psData)
        Infos["Format_Settings_PS"]=__T("No (Explicit)");
}

//---------------------------------------------------------------------------
void File_Aac::GetAudioObjectType(int8u &ObjectType, const char* Name)
{
    Element_Begin1(Name);
    Get_S1(5, ObjectType,                                       "audioObjectType");
    if (ObjectType==31)
    {
        Get_S1(6, ObjectType,                                   "audioObjectTypeExt");
        ObjectType+=32;
    }
    Element_Info1(ObjectType); Element_Info1(Aac_Format(ObjectType)); Element_Info1(Aac_Format_Profile(ObjectType));
    Element_End0();
}

//***************************************************************************
// Elements - Multiplex layer
//***************************************************************************

//---------------------------------------------------------------------------
void File_Aac::AudioMuxElement()
{
    Element_Begin1("AudioMuxElement");
    if (muxConfigPresent)
    {
        bool useSameStreamMux;
        Get_SB (useSameStreamMux,                               "useSameStreamMux");
        if (!useSameStreamMux)
            StreamMuxConfig();
    }
    if (sampling_frequency_index==(int8u)-1) //No previous config
    {
        CanFill=false;
        Skip_BS(Data_BS_Remain(),                               "(Waiting for configuration)");
        return;
    }
    if (audioMuxVersionA==0)
    {
        for (int8u i=0; i<=numSubFrames; i++)
        {
            PayloadLengthInfo();
            PayloadMux();
        }
        if (otherDataLenBits)
            Skip_BS(otherDataLenBits,                           "otherData");
    }
    else
    {
        Element_Begin1("(not implemented)");
        Skip_BS(Data_BS_Remain(),                               "(not implemented)");
        Element_End0();
    }
    if (Data_BS_Remain()%8)
        Skip_S1(Data_BS_Remain()%8,                             "byte_alignment");
    Element_End0();
}

//---------------------------------------------------------------------------
void File_Aac::StreamMuxConfig()
{
    Element_Begin1("StreamMuxConfig");

    bool audioMuxVersion;
    Get_SB (audioMuxVersion,                                    "audioMuxVersion");
    if (audioMuxVersion)
        Get_SB (audioMuxVersionA,                               "audioMuxVersionA");
    else
        audioMuxVersionA=false;

    if (!audioMuxVersionA)
    {
        if (audioMuxVersion==1)
        {
            Element_Begin1("(not implemented)");
            Skip_BS(Data_BS_Remain(),                               "(not implemented)");
            Element_End0();
            //taraBufferFullness=LatmGetValue();
        }

        int8u streamCnt = 0;
        bool useSameConfig;

        Get_SB (allStreamsSameTimeFraming,                      "allStreamsSameTimeFraming");
        Get_S1 (6, numSubFrames,                                "numSubFrames");
        Get_S1 (4, numProgram,                                  "numProgram");

        for (int8u prog=0; prog<=numProgram; prog++)
        {
            Get_S1(3,numLayer,                                  "numLayer");
            for (int8u lay=0; lay<=numLayer; lay++)
            {
                progSIndx[streamCnt]=prog;
                laySIndx[streamCnt]=lay;
                streamID[prog][lay]=streamCnt++;
                if (prog==0 && lay==0)
                    useSameConfig=0;
                else
                    Get_SB(useSameConfig,                       "useSameConfig");

                if (!useSameConfig)
                {
                    if (audioMuxVersion==0)
                        AudioSpecificConfig();
                    else
                    {
                        int ascLen=LatmGetValue();
                        AudioSpecificConfig(Data_BS_Remain()-ascLen);
                    }
                }

                Get_S1(3,frameLengthType[streamID[prog][lay]],  "frameLengthType[streamID[prog][lay]]");
                switch(frameLengthType[streamID[prog][lay]])
                {
                    case 0 :
                            Skip_S1(8,                          "latmBufferFullness[streamID[prog][lay]]");
                            if(!allStreamsSameTimeFraming)
                            {
                                Element_Begin1("(not implemented)");
                                Skip_BS(Data_BS_Remain(),       "(not implemented)");
                                Element_End0();
                            }
                            //~ if ((!allStreamsSameTimeFraming) &&
                            //~ (AudioObjectType[lay] == 6 || AudioObjectType[lay] == 20) &&
                            //~ (AudioObjectType[lay-1] == 8 || AudioObjectType[lay-1] == 24))
                            //~ {
                                //~ Skip_S1(6,                          "coreFrameOffset");
                            //~ }
                            break;
                    case 1 :
                            Get_S2(9,frameLength[streamID[prog][lay]],"frameLength[streamID[prog][lay]]");
                            break;
                    case 3 :
                    case 4 :
                    case 5 :
                            Skip_S1(6,                          "CELPframeLengthTableIndex[streamID[prog][lay]]");
                            break;
                    case 6 :
                    case 7 :
                            Skip_S1(1,                          "HVXCframeLengthTableIndex[streamID[prog][lay]]");
                            break;
                    default :
                            Element_Begin1("(not implemented)");
                            Skip_BS(Data_BS_Remain(),       "(not implemented)");
                            Element_End0();
                }
            }
        }
        bool otherDataPresent, crcCheckPresent;
        Get_SB (otherDataPresent,                               "otherDataPresent");
        if (otherDataPresent)
        {
            if (audioMuxVersion==1)
                otherDataLenBits=LatmGetValue();
            else
            {
                otherDataLenBits=0;
                bool otherDataLenEsc;
                do
                {
                    int8u otherDataLenTmp;
                    otherDataLenBits<<=8;
                    Get_SB(   otherDataLenEsc,                   "otherDataLenEsc");
                    Get_S1(8, otherDataLenTmp,                   "otherDataLenTmp");
                    otherDataLenBits+=otherDataLenTmp;
                }
                while (otherDataLenEsc);
            }
        }
        else
            otherDataLenBits=0;
        Get_SB(crcCheckPresent,                                 "crcCheckPresent");
        if(crcCheckPresent)
            Skip_S1(8,                                          "crcCheckSum");
    }
    else
    {
        Element_Begin1("(not implemented)");
        Skip_BS(Data_BS_Remain(),                               "(not implemented)");
        Element_End0();
    }
    Element_End0();

    FILLING_BEGIN();
        CanFill=true;
    FILLING_END();
}

//---------------------------------------------------------------------------
int32u File_Aac::LatmGetValue()
{
    Element_Begin1("LatmGetValue");
    int8u valueTmp, bytesForValue;
    Get_S1(2, bytesForValue,                                    "bytesForValue");
    int32u value=0;
    for (int8u i=0; i<=bytesForValue; i++)
    {
        value<<=8;
        Get_S1(8, valueTmp,                                     "valueTmp");
        value+=valueTmp;
    }
    Element_End0();
    return value;
}

//---------------------------------------------------------------------------
void File_Aac::PayloadLengthInfo()
{
    Element_Begin1("PayloadLengthInfo");
    int8u tmp;
    if (allStreamsSameTimeFraming)
    {
        for (int8u prog=0; prog<=numProgram; prog++)
        {
            for (int8u lay=0; lay<=numLayer; lay++)
            {
                if (frameLengthType[streamID[prog][lay]]==0)
                {
                    MuxSlotLengthBytes[streamID[prog][lay]]=0;
                    do
                    {
                        Get_S1(8, tmp,                          "tmp");
                        MuxSlotLengthBytes[streamID[prog][lay]]+=tmp;
                    }
                    while(tmp==255);
                }
                else if (frameLengthType[streamID[prog][lay]]==3
                      || frameLengthType[streamID[prog][lay]]==5
                      || frameLengthType[streamID[prog][lay]]==7)
                {
                    Skip_S1(2,                                  "MuxSlotLengthCoded[streamID[prog][lay]]");
                }
            }
        }
    }
    else
    {
        int8u streamIndx;
        int8u prog, lay;
        Get_S1(4, numChunk,                                     "numChunk");
        for (int chunkCnt=0; chunkCnt<=numChunk; chunkCnt++)
        {
            Get_S1(4,streamIndx,                                "streamIndx");
            prog=progCIndx[chunkCnt]=progSIndx[streamIndx];
            lay=layCIndx[chunkCnt]=laySIndx[streamIndx];
            if (frameLengthType[streamID[prog][lay]]==0)
            {
                MuxSlotLengthBytes[streamID[prog][lay]]=0;
                do
                {
                    Get_S1(8, tmp,                              "tmp");
                    MuxSlotLengthBytes[streamID[prog][lay]]+=tmp;
                }
                while(tmp==255);
                Skip_SB(                                        "AuEndFlag[streamID[prog][lay]]");
            }
            else if (frameLengthType[streamID[prog][lay]]==3
                  || frameLengthType[streamID[prog][lay]]==5
                  || frameLengthType[streamID[prog][lay]]==7)
            {
                Skip_S1(2,                                      "MuxSlotLengthCoded[streamID[prog][lay]]");
            }
        }
    }
    Element_End0();
}

//---------------------------------------------------------------------------
void File_Aac::PayloadMux()
{
    Element_Begin1("PayloadMux");
    if (allStreamsSameTimeFraming)
    {
        for (int8u prog=0; prog<=numProgram; prog++)
            for (int8u lay=0; lay<=numLayer; lay++)
            {
                switch(frameLengthType[streamID[prog][lay]])
                {
                    case 0 :
                            if (CA_system_ID_MustSkipSlices)
                            {
                                //Encryption management
                                Skip_BS(8*MuxSlotLengthBytes[streamID[prog][lay]], "Encrypted payload[streamID[prog][lay]]");
                                Frame_Count_Valid=0;
                            }
                            else
                                payload(Data_BS_Remain()-8*MuxSlotLengthBytes[streamID[prog][lay]]);
                            break;
                    case 1 :
                            Skip_BS(8 * (frameLength[streamID[prog][lay]] + 20),"payload[streamID[prog][lay]]");
                            break;
                    default:
                            Element_Begin1("(not implemented)");
                            Skip_BS(Data_BS_Remain(),           "(not implemented)");
                            Element_End0();
                }
            }
    }
    else
    {
        for (int8u chunkCnt=0; chunkCnt<=numChunk; chunkCnt++)
        {
            int8u prog=progCIndx[chunkCnt];
            int8u lay=layCIndx[chunkCnt];
            switch(frameLengthType[streamID[prog][lay]])
            {
                case 0 :
                        payload(); //Skip_BS(MuxSlotLengthBytes[streamID[prog][lay]], "payload[streamID[prog][lay]]");
                        break;
                case 1 :
                        Skip_BS(8*(frameLength[streamID[prog][lay]]+20), "payload[streamID[prog][lay]]");
                        break;
                default:
                        Element_Begin1("not implemented");
                        Element_End0();
            }
        }
    }
    Element_End0();
}

//***************************************************************************
// Elements - Error protection
//***************************************************************************

//---------------------------------------------------------------------------
void File_Aac::ErrorProtectionSpecificConfig()
{
    Element_Begin1("ErrorProtectionSpecificConfig");
    int8u number_of_predefined_set,number_of_concatenated_frame,interleave_type;
    Get_S1(8,number_of_predefined_set,                          "number_of_predefined_set");
    Get_S1(2,interleave_type,                                   "interleave_type");
    Skip_S1(3,                                                  "bit_stuffing");
    Get_S1(3,number_of_concatenated_frame,                      "number_of_concatenated_frame");
    for (int8u i = 0; i < number_of_predefined_set; i++ )
    {
        int8u number_of_class;
        Get_S1(6,number_of_class,                               "number_of_class[i]");
        for (int8u j = 0; j < number_of_class; j++)
        {
            bool length_escape,fec_type,rate_escape,crclen_escape;
            Get_SB(length_escape,                               "length_escape[i][j]");
            Get_SB(rate_escape,                                 "rate_escape[i][j]");
            Get_SB(crclen_escape,                               "crclen_escape[i][j]");
            if (number_of_concatenated_frame != 1)
                Skip_SB(                                        "concatenate_flag[i][j]");
            Get_SB(fec_type,                                    "fec_type[i][j]");
            if(!fec_type)
                Skip_SB(                                        "termination_switch[i][j]");
            if (interleave_type == 2)
                Skip_S1(2,                                      "interleave_switch[i][j]");
            Skip_SB(                                            "class_optional");
            if (length_escape)
            {
                /* ESC */
                Skip_S1(4,                                      "number_of_bits_for_length[i][j]");
            }
            else
            {
                Skip_S2(16,                                     "class_length[i][j]");
            }
            if (!rate_escape)
            { /* not ESC */
                if(fec_type)
                {
                    Skip_S1(7,                                  "class_rate[i][j]");
                }
                else
                {
                    Skip_S1(5,                                  "class_rate[i][j]");
                }
            }
            if (!crclen_escape)
            {
            /* not ESC */
            Skip_S1(5,                                          "class_crclen[i][j]");
            }
        }
        bool class_reordered_output;
        Get_SB(class_reordered_output,                          "class_reordered_output");
        if ( class_reordered_output )
        {
            for (int j = 0; j < number_of_class; j++ )
            {
                Skip_S1(6,                                      "class_output_order[i][j]");
            }
        }
    }
    bool header_protection;
    Get_SB(header_protection,                                   "header_protection");
    if (header_protection)
    {
        Skip_S1(5,                                              "header_rate");
        Skip_S1(5,                                              "header_crclen");
    }
    Element_End0();
}

//***************************************************************************
// Elements - MPEG-2 AAC Audio_Data_Interchange_Format, ADIF
//***************************************************************************

//---------------------------------------------------------------------------
void File_Aac::adif_header()
{
    //Parsing
    int32u bitrate;
    int8u  num_program_config_elements;
    bool   bitstream_type;
    Skip_C4(                                                    "adif_id");
    BS_Begin();
    TEST_SB_SKIP(                                               "copyright_id_present");
        Skip_S4(32,                                             "copyright_id");
        Skip_S4(32,                                             "copyright_id");
        Skip_S4( 8,                                             "copyright_id");
    TEST_SB_END();
    Skip_SB(                                                    "original_copy");
    Skip_SB(                                                    "home");
    Get_SB (    bitstream_type,                                 "bitstream_type"); Param_Info1(bitstream_type?"VBR":"CBR");
    Get_S3 (23, bitrate,                                        "bitrate");
    Get_S1 ( 4, num_program_config_elements,                    "num_program_config_elements");
    if (!bitstream_type)
        Skip_S3(20,                                             "adif_buffer_fullness");
    for (int8u Pos=0; Pos<num_program_config_elements+1; Pos++)
        program_config_element();
    BS_End();

    FILLING_BEGIN();
        Fill(Stream_General, 0, General_Format, "ADIF", Unlimited, true, true);
        Fill(Stream_General, 0, General_HeaderSize, Element_Offset);
        Fill(Stream_General, 0, General_OverallBitRate_Mode, bitstream_type?"VBR":"CBR");

        for (size_t StreamPos=0; StreamPos<Count_Get(Stream_Audio); StreamPos++)
            Fill(Stream_Audio, StreamPos, Audio_MuxingMode, "ADIF");
        if (num_program_config_elements==0) //Easy to fill only if 1 audio stream
        {
            Infos["BitRate_Mode"].From_UTF8(bitstream_type?"VBR":"CBR");
            if (bitrate>0)
                Infos[bitstream_type?"BitRate_Maximum":"BitRate"].From_Number(bitrate);
        }
    FILLING_END();
}

//***************************************************************************
// Elements - Audio_Data_Transport_Stream frame, ADTS
//***************************************************************************

//---------------------------------------------------------------------------
void File_Aac::adts_frame()
{
    //Parsing
    adts_fixed_header();
    adts_variable_header();

    //Encryption management
    if (CA_system_ID_MustSkipSlices)
    {
        //Is not decodable
        BS_End();
        Skip_XX(Element_Size-Element_Offset,                    "Encrypted data");
        Frame_Count_Valid=0;
        return;
    }

    if (num_raw_data_blocks==0)
    {
        if (!protection_absent)
        {
            Element_Begin1("adts_error_check");
                Skip_S2(16,                                     "crc_check");
            Element_End0();
        }
        raw_data_block();
    }
    else
    {
        Element_Begin1("adts_header_error_check");
            if (!protection_absent)
                for (int i=1; i<=num_raw_data_blocks; i++)
                    Skip_S2(16,                                 "raw_data_block_position(i)");
            Skip_S2(16,                                         "crc_check");
        Element_End0();

        for(int i=0; i<=num_raw_data_blocks; i++)
        {
            raw_data_block();
            if (!Data_BS_Remain())
                break; // Maybe the content was not parsed
            if (!protection_absent)
            {
                Element_Begin1("adts_raw_data_block_error_check");
                    Skip_BS(16,                                 "crc_check");
                Element_End0();
            }
        }
    }
}

//---------------------------------------------------------------------------
void File_Aac::adts_fixed_header()
{
    //Parsing
    bool    id;
    Element_Begin1("adts_fixed_header");
    Skip_BS(12,                                                 "syncword");
    Get_SB (    id,                                             "id"); Param_Info1(Aac_Adts_ID[id]);
    Skip_BS( 2,                                                 "layer");
    Get_SB (    protection_absent,                              "protection_absent");
    Get_S1 ( 2, audioObjectType,                                "profile_ObjectType"); audioObjectType++; Param_Info1(Aac_audioObjectType(audioObjectType));
    Get_S1 ( 4, sampling_frequency_index,                       "sampling_frequency_index"); 
    if(sampling_frequency_index<Aac_sampling_frequency_Size)
        Frequency_b=Aac_sampling_frequency[sampling_frequency_index];
    else
        Frequency_b=0;
    Param_Info2(Frequency_b, " Hz");
    Skip_SB(                                                    "private");
    Get_S1 ( 3, channelConfiguration,                           "channel_configuration");
    Skip_SB(                                                    "original");
    Skip_SB(                                                    "home");
    Element_End0();

    FILLING_BEGIN();
        if (Infos["Format"].empty())
        {
            Infos_General["Format"].From_UTF8("ADTS");

            Infos["Format"].From_UTF8("AAC");
            Infos["Format_Version"].From_UTF8(id?"Version 2":"Version 4");
            Infos["Format_Profile"].From_UTF8(Aac_Format_Profile(audioObjectType));
            Infos["CodecID"].From_Number(audioObjectType);
            Infos["Codec"].From_UTF8(Aac_audioObjectType(audioObjectType));
            if (Frequency_b)
                Infos["SamplingRate"].From_Number(Frequency_b);
            Infos["Channel(s)"].From_UTF8(Aac_Channels_GetString(channelConfiguration));
            Infos["ChannelPositions"].From_UTF8(Aac_ChannelConfiguration_GetString(channelConfiguration));
            Infos["ChannelPositions/String2"].From_UTF8(Aac_ChannelConfiguration2_GetString(channelConfiguration));
            Infos["ChannelLayout"].From_UTF8(Aac_ChannelLayout_GetString(channelConfiguration));
            if (IsSub)
                Infos["MuxingMode"].From_UTF8("ADTS");
            ChannelCount_Temp=Aac_Channels_Get(channelConfiguration);
        }
    FILLING_ELSE();
        ChannelCount_Temp=0;
    FILLING_END();
}

//---------------------------------------------------------------------------
void File_Aac::adts_variable_header()
{
    //Parsing
    int16u  aac_frame_length, adts_buffer_fullness;
    Element_Begin1("adts_variable_header");
    Skip_SB(                                                    "copyright_id");
    Skip_SB(                                                    "copyright_id_start");
    Get_S2 (13, aac_frame_length,                               "aac_frame_length");
    Get_S2 (11, adts_buffer_fullness,                           "adts_buffer_fullness"); Param_Info1(adts_buffer_fullness==0x7FF?"VBR":"CBR");
    Get_S1 ( 2, num_raw_data_blocks,                            "num_raw_data_blocks");
    Element_End0();

    FILLING_BEGIN();
        if (adts_buffer_fullness==0x7FF)
            adts_buffer_fullness_Is7FF=true;
        #if MEDIAINFO_ADVANCED
            aac_frame_length_Total+=aac_frame_length;
        #endif //MEDIAINFO_ADVANCED
    FILLING_END();
}

//***************************************************************************
// C++
//***************************************************************************

} //NameSpace

#endif //MEDIAINFO_AAC_YES

