//---------------------------------------------------------------------------
void File_Amr::FileHeader_Parse()
{
//From a container
if (!Codec.empty())
{
Accept("AMR");
Finish("AMR");
return;
}
//Parsing
int64u Signature;
Skip_C5( "Signature (Common)");
Peek_B8(Signature);
if ((Signature&0xFF00000000000000LL)==0x0A00000000000000LL) //\n
{
IsWB=false;
Channels=1;
}
else if ((Signature&0xFFFFFFFFFFFFFF00LL)==0x5F4D43312E300A00LL) //_MC1.0\n
{
IsWB=false;
Channels=2; //Or more, see later
}
else if ((Signature&0xFFFFFF0000000000LL)==0x2D57420000000000LL) //-WB
{
Skip_C3( "Signature (WB)");
IsWB=true;
Peek_B8(Signature);
if ((Signature&0xFF00000000000000LL)==0x0A00000000000000LL) //\n
{
Channels=1;
}
else if ((Signature&0xFFFFFFFFFFFFFF00LL)==0x5F4D43312E300A00LL) //_MC1.0\n
{
Channels=2; //Or more, see later
}
}
else
Channels=0;
Skip_B1( "Signature (Carriage return)");
/*
if (Channels==2) //Mutli-channels
{
BS_Begin();
Skip_S4(28, "Reserved");
Get_S1 ( 4, Channels, "Channels");
}
*/
Header_Size=(int8u)Element_Offset;
FILLING_BEGIN();
Accept("AMR");
if (Channels!=1 || IsWB)
Finish("AMR");
FILLING_END();
}
//---------------------------------------------------------------------------
void File_OpenMG::FileHeader_Parse()
{
//Parsing
int16u Size, FrameSize=0;
int8u Flags, CodecID, SamplingRate_Code=0, Channels_Code=0;
bool JointStereo=false;
Skip_C3( "Code");
Get_B1 (Flags, "Flags");
Get_B2 (Size, "Size");
Skip_XX(26, "Unknown");
Get_B1 (CodecID, "Coded ID"); Param_Info1(OpenMG_CodecID_Format(CodecID));
if (CodecID<=1) //Atrac3
{
BS_Begin();
Skip_S1(7, "Unknown");
Get_SB ( JointStereo, "Joint Stereo");
Get_S1 (3, SamplingRate_Code, "Sampling Rate"); Param_Info2(OpenMG_SamplingRate(SamplingRate_Code), " Hz");
Get_S1 (3, Channels_Code, "Channels"); Param_Info2(OpenMG_Channels(Channels_Code), " channel(s)");
Get_S2 (10, FrameSize, "Frame size");
BS_End();
}
Skip_XX(Size-Element_Offset, "Unknown");
FILLING_BEGIN();
if (!Status[IsAccepted])
{
File__Tags_Helper::Accept();
Fill(Stream_Audio, 0, Audio_Format, OpenMG_CodecID_Format(CodecID));
Fill(Stream_Audio, 0, Audio_Encryption, OpenMG_CodecID_Encryption(CodecID));
int64u StreamSize=(int64u)-1;
if (File_Size!=(int64u)-1)
{
StreamSize=File_Size-(Buffer_Offset+Element_Size);
Fill(Stream_Audio, 0, Audio_StreamSize, StreamSize);
}
if (CodecID<=1) // Atrac3
{
Fill(Stream_Audio, 0, Audio_Channel_s_, OpenMG_Channels(Channels_Code));
Fill(Stream_Audio, 0, Audio_ChannelPositions, OpenMG_ChannelPositions(Channels_Code));
if (Channels_Code==1 && JointStereo)
Fill(Stream_Audio, 0, Audio_Format_Settings_Mode, "Joint Stereo");
Fill(Stream_Audio, 0, Audio_SamplingRate, OpenMG_SamplingRate(SamplingRate_Code));
if (CodecID==1) //Protected
FrameSize++; //Not sure
FrameSize<<=3; //8-byte blocks
int64u BitRate=OpenMG_SamplingRate(SamplingRate_Code)*FrameSize/256;
Fill(Stream_Audio, 0, Audio_BitRate, BitRate);
if (StreamSize!=(int64u)-1 && BitRate)
Fill(Stream_Audio, 0, Audio_Duration, StreamSize*8*1000/BitRate);
}
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_ArriRaw::Read_Buffer_Continue()
{
//Parsing
Skip_C4( "Signature");
Skip_C1( "Signature");
Skip_C3( "Signature");
Skip_XX(File_Size-8, "Data");
FILLING_BEGIN();
Frame_Count++;
if (Frame_Count_NotParsedIncluded!=(int64u)-1)
Frame_Count_NotParsedIncluded++;
if (!Status[IsFilled])
{
Fill();
if (Config->ParseSpeed<1.0)
Finish();
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Mpc::FileHeader_Parse()
{
//Parsing
Element_Begin("SV7 header", 21);
Ztring Encoder;
int32u FrameCount;
int16u TitleGain, AlbumGain;
int8u Profile, Link, SampleFreq, EncoderVersion;
Skip_C3( "Signature");
BS_Begin();
Skip_S1(4, "PNS");
Skip_S1(4, "Version");
BS_End();
Get_L4 (FrameCount, "FrameCount");
Skip_L2( "MaxLevel");
BS_Begin();
Get_S1 (4, Profile, "Profile"); Param_Info(Mpc_Profile[Profile]);
Get_S1 (2, Link, "Link"); Param_Info(Mpc_Link[Link]);
Get_S1 (2, SampleFreq, "SampleFreq"); Param_Info(Mpc_SampleFreq[SampleFreq]);
Skip_SB( "IntensityStereo");
Skip_SB( "MidSideStereo");
Skip_S1(6, "MaxBand");
BS_End();
Skip_L2( "TitlePeak");
Get_L2 (TitleGain, "TitleGain"); Param_Info(((float32)((int16s)TitleGain))/1000, 2, " dB");
Skip_L2( "AlbumPeak");
Get_L2 (AlbumGain, "AlbumGain"); Param_Info(((float32)((int16s)TitleGain))/1000, 2, " dB");
BS_Begin();
Skip_S2(16, "unused");
Skip_S1( 4, "LastFrameLength (part 1)");
Skip_SB( "FastSeekingSafe");
Skip_S1( 3, "unused");
Skip_SB( "TrueGapless");
Skip_S1( 7, "LastFrameLength (part 2)");
BS_End();
Get_L1 (EncoderVersion, "EncoderVersion");
Encoder.From_Number(((float)EncoderVersion)/100, 2); if (EncoderVersion%10==0); else if (EncoderVersion%2==0) Encoder+=_T(" Beta"); else if (EncoderVersion%2==1) Encoder+=_T(" Alpha"); Param_Info(Encoder);
Element_End();
FILLING_BEGIN();
File__Tags_Helper::Accept("Musepack SV7");
File__Tags_Helper::Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_SamplingRate, Mpc_SampleFreq[SampleFreq]);
Fill(Stream_Audio, 0, Audio_SamplingCount, FrameCount*1152);
Fill(Stream_Audio, 0, Audio_Format, "Musepack SV7");
Fill(Stream_Audio, 0, Audio_Codec, "SV7");
Fill(Stream_Audio, 0, Audio_Codec_Settings, Mpc_Profile[Profile]);
Fill(Stream_Audio, 0, Audio_Encoded_Library, Encoder);
Fill(Stream_Audio, 0, Audio_Resolution, 16); //MPC support only 16 bits
Fill(Stream_Audio, 0, Audio_Duration, ((int64u)FrameCount)*1152*1000/Mpc_SampleFreq[SampleFreq]);
if (FrameCount)
Fill(Stream_Audio, 0, Audio_BitRate, (File_Size-25)*8*Mpc_SampleFreq[SampleFreq]/FrameCount/1152);
//No more need data
File__Tags_Helper::Finish("Musepack SV7");
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Id3::Read_Buffer_Continue()
{
//Buffer size
if (Buffer_Size<128)
return;
int32u Magic;
Peek_B4(Magic);
Ztring TitleAddition;
Ztring ArtistAddition;
Ztring AlbumAddition;
Ztring GenreAddition;
if (Magic==0x5441472B)
{
if (Buffer_Size<227+128)
return;
Skip_C4 ( "ID");
Get_Local (60, TitleAddition, "Title");
Get_Local (60, ArtistAddition, "Artist");
Get_Local (60, AlbumAddition, "Album");
Skip_B1 ( "Speed");
Get_Local (30, GenreAddition, "Genre");
Skip_Local(6, "Start time"); //mmm:ss
Skip_Local(6, "End time"); //mmm:ss
TitleAddition.TrimRight();
ArtistAddition.TrimRight();
AlbumAddition.TrimRight();
GenreAddition.TrimRight();
}
//Parsing
Ztring Title, Artist, Album, Year, Comment;
int8u Track=0, Genre;
Skip_C3 ( "ID");
Get_Local (30, Title, "Title");
Get_Local (30, Artist, "Artist");
Get_Local (30, Album, "Album");
Get_Local ( 4, Year, "Year");
Get_Local (30, Comment, "Comment");
if (Comment.size()<29) //Id3v1.1 specifications : Track number addition
{
Element_Offset-=2;
int8u Zero;
Peek_B1(Zero);
if (Zero==0)
{
Skip_B1( "Zero");
Get_B1 (Track, "Track");
}
else
Element_Offset+=2;
}
Get_B1 (Genre, "Genre");
FILLING_BEGIN();
if (TitleAddition.empty())
Title.TrimRight();
if (ArtistAddition.empty())
Artist.TrimRight();
if (AlbumAddition.empty())
Album.TrimRight();
Year.TrimRight();
Comment.TrimRight();
Accept("Id3");
Stream_Prepare(Stream_General);
Fill(Stream_General, 0, General_Album, Album+AlbumAddition);
Fill(Stream_General, 0, General_Track, Title+TitleAddition);
Fill(Stream_General, 0, General_Performer, Artist+ArtistAddition);
Fill(Stream_General, 0, General_Comment, Comment);
Fill(Stream_General, 0, General_Recorded_Date, Year);
if (GenreAddition.empty())
Fill(Stream_General, 0, General_Genre, GenreAddition);
if (Genre && Genre!=(int8u)-1)
Fill(Stream_General, 0, General_Genre, Genre);
if (Track)
Fill(Stream_General, 0, General_Track_Position, Track);
Finish("Id3");
FILLING_END();
}
