//---------------------------------------------------------------------------
void File_DvbSubtitle::region_composition_segment()
{
Element_Name("region composition segment");
//Parsing
int16u region_width, region_height;
int8u region_id, region_depth;
Get_B1 ( region_id, "region_id");
BS_Begin();
Skip_S1(4, "region_version_number");
Skip_S1(1, "region_fill_flag");
Skip_S1(3, "reserved");
BS_End();
Get_B2 ( region_width, "region_width");
Get_B2 ( region_height, "region_height");
BS_Begin();
Skip_S1(3, "region_level_of_compatibility");
Get_S1 (3, region_depth, "region_depth"); Param_Info2(DvbSubtitle_region_depth[region_depth], " bits");
Skip_S1(2, "reserved");
BS_End();
Skip_B1( "CLUT_id");
Skip_B1( "region_8-bit_pixel_code");
BS_Begin();
Skip_S1(4, "region_4-bit_pixel-code");
Skip_S1(2, "region_2-bit_pixel-code");
Skip_S1(2, "reserved");
BS_End();
while(Element_Offset<Element_Size)
{
Element_Begin1("Object");
int8u object_type;
Skip_B2( "object_id");
BS_Begin();
Get_S1 ( 2, object_type, "object_type");
Skip_S1( 2, "object_provider_flag");
Skip_S1(12, "object_horizontal_position");
Skip_S1( 4, "reserved");
Skip_S1(12, "object_vertical_position");
BS_End();
switch (object_type)
{
case 0x01 :
case 0x02 :
Skip_B2( "foreground_pixel_code");
Skip_B2( "background_pixel_code");
break;
default : ;
}
Element_End0();
}
FILLING_BEGIN();
region_data& region = subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id];
region.region_composition_segment=true;
region.region_width=region_width;
region.region_height=region_height;
region.region_depth=region_depth;
FILLING_END();
}
//---------------------------------------------------------------------------
// Packet "B0"
void File_AvsV::video_sequence_start()
{
Element_Name("video_sequence_start");
//Parsing
int32u bit_rate_upper, bit_rate_lower;
Get_B1 ( profile_id, "profile_id");
Get_B1 ( level_id, "level_id");
BS_Begin();
Get_SB ( progressive_sequence, "progressive_sequence");
Get_S2 (14, horizontal_size, "horizontal_size");
Get_S2 (14, vertical_size, "vertical_size");
Get_S1 ( 2, chroma_format, "chroma_format");
Skip_S1( 3, "sample_precision");
Get_S1 ( 4, aspect_ratio, "aspect_ratio"); Param_Info(AvsV_aspect_ratio[aspect_ratio]);
Get_S1 ( 4, frame_rate_code, "frame_rate_code"); Param_Info(AvsV_frame_rate[frame_rate_code]);
Get_S3 (18, bit_rate_lower, "bit_rate_lower");
Mark_1 ();
Get_S3 (12, bit_rate_upper, "bit_rate_upper");
bit_rate=(bit_rate_upper<<18)+bit_rate_lower; Param_Info(bit_rate*8, " bps");
Get_SB ( low_delay, "low_delay");
Mark_1 ();
Skip_S3(18, "bbv_buffer_size");
Skip_SB( "reserved");
Skip_SB( "reserved");
Skip_SB( "reserved");
BS_End();
//Not sure, but the 3 first official files have this
if (Element_Size-Element_Offset)
{
BS_Begin();
Mark_1();
BS_End();
}
FILLING_BEGIN();
//NextCode
NextCode_Clear();
NextCode_Add(0xB2); //user_data_start
NextCode_Add(0xB3); //picture_start (I)
NextCode_Add(0xB5); //extension_start
//Autorisation of other streams
Streams[0xB1].Searching_Payload=true, //video_sequence_end
Streams[0xB2].Searching_Payload=true; //user_data_start
Streams[0xB3].Searching_Payload=true, //picture_start (I)
Streams[0xB4].Searching_Payload=true, //reserved
Streams[0xB5].Searching_Payload=true; //extension_start
Streams[0xB6].Searching_Payload=true, //picture_start (P or B)
Streams[0xB7].Searching_Payload=true; //video_edit
Streams[0xB8].Searching_Payload=true, //reserved
video_sequence_start_IsParsed=true;
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Cdp::ccsvcinfo_section()
{
//Parsing
int8u svc_count;
Element_Begin1("ccsvcinfo_section");
Skip_B1( "ccsvcinfo_id");
BS_Begin();
Skip_SB( "reserved");
Skip_SB( "svc_info_start");
Skip_SB( "svc_info_change");
Skip_SB( "svc_info_complete");
Get_S1 (4, svc_count, "svc_count");
BS_End();
for (int8u Pos=0; Pos<svc_count; Pos++)
{
Element_Begin1("svc");
bool csn_size;
BS_Begin();
Skip_SB( "reserved");
Get_SB ( csn_size, "csn_size");
if (csn_size)
{
Skip_SB( "reserved");
Skip_S1(5, "caption_service_number");
}
else
Skip_S1(6, "caption_service_number");
BS_End();
//svc_data_byte - caption_service_descriptor
Element_Begin1("service");
Ztring language;
bool digital_cc;
Get_Local(3, language, "language");
BS_Begin();
Get_SB (digital_cc, "digital_cc");
Skip_SB( "reserved");
if (digital_cc) //line21
{
Skip_S1(5, "reserved");
Skip_SB( "line21_field");
}
else
Skip_S1(6, "caption_service_number");
Skip_SB( "easy_reader");
Skip_SB( "wide_aspect_ratio");
Skip_S2(14, "reserved");
BS_End();
Element_End0();
Element_End0();
}
Element_End0();
}
//---------------------------------------------------------------------------
void File_Jpeg::COD()
{
//Parsing
int16u Levels;
int8u Style, Style2, MultipleComponentTransform;
bool PrecinctUsed;
Get_B1 (Style, "Scod - Style");
Get_Flags (Style, 0, PrecinctUsed, "Precinct used");
Skip_Flags(Style, 1, "Use SOP (start of packet)");
Skip_Flags(Style, 2, "Use EPH (end of packet header)");
Skip_B1( "Number of decomposition levels");
Skip_B1( "Progression order");
Get_B2 (Levels, "Number of layers");
Info_B1(DimX, "Code-blocks dimensions X (2^(n+2))"); Param_Info2(1<<(DimX+2), " pixels");
Info_B1(DimY, "Code-blocks dimensions Y (2^(n+2))"); Param_Info2(1<<(DimY+2), " pixels");
Get_B1 (Style2, "Style of the code-block coding passes");
Skip_Flags(Style, 0, "Selective arithmetic coding bypass");
Skip_Flags(Style, 1, "MQ states for all contexts");
Skip_Flags(Style, 2, "Regular termination");
Skip_Flags(Style, 3, "Vertically stripe-causal context formation");
Skip_Flags(Style, 4, "Error resilience info is embedded on MQ termination");
Skip_Flags(Style, 5, "Segmentation marker is to be inserted at the end of each normalization coding pass");
Skip_B1( "Transform");
Get_B1(MultipleComponentTransform, "Multiple component transform");
if (PrecinctUsed)
{
BS_Begin();
Skip_S1(4, "LL sub-band width");
Skip_S1(4, "LL sub-band height");
BS_End();
for (int16u Pos=0; Pos<Levels; Pos++)
{
Element_Begin1("Decomposition level");
BS_Begin();
Skip_S1(4, "decomposition level width");
Skip_S1(4, "decomposition level height");
BS_End();
Element_End0();
}
}
FILLING_BEGIN();
if (Frame_Count==0 && Field_Count==0)
{
switch (MultipleComponentTransform)
{
case 0x01 : Fill(StreamKind_Last, 0, "Compression_Mode", "Lossless"); break;
case 0x02 : Fill(StreamKind_Last, 0, "Compression_Mode", "Lossy"); break;
default : ;
}
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Sdp::Header_Parse()
{
//Parsing
int8u Length, FormatCode;
Skip_B2( "Identifier");
Get_B1 (Length, "Length");
Get_B1 (FormatCode, "Format Code");
for (int8u Pos=0; Pos<5; Pos++)
{
FieldLines[Pos]=0;
#if MEDIAINFO_TRACE
Element_Begin1("Field/Line");
BS_Begin();
Info_SB( Field, "Field Number");
Info_S1(2, Reserved, "Reserved");
Info_S1(5, Line, "Line Number");
BS_End();
FieldLines[Pos]=((Field?1:0)<<7) |(Reserved<<5) | Line; //Removing field information ((Field?1:0)<<7) |
if (FieldLines[Pos])
{
Element_Info1(Field?2:1);
Element_Info1(Line);
}
else
Element_Info1("None");
Element_End0();
#else //MEDIAINFO_TRACE
Get_B1(FieldLines[Pos], "Field/Line");
FieldLines[Pos]&=0x7F; //Removing field information
#endif //MEDIAINFO_TRACE
}
Header_Fill_Size(3+Length);
}
//---------------------------------------------------------------------------
void File_Flac::STREAMINFO()
{
Element_Info("STREAMINFO");
//Parsing
int64u Samples;
int32u FrameSize_Min, FrameSize_Max, SampleRate;
int8u Channels, BitPerSample;
Skip_B2( "BlockSize_Min"); //The minimum block size (in samples) used in the stream.
Skip_B2( "BlockSize_Max"); //The maximum block size (in samples) used in the stream. (Minimum blocksize == maximum blocksize) implies a fixed-blocksize stream.
Get_B3 ( FrameSize_Min, "FrameSize_Min"); //The minimum frame size (in bytes) used in the stream. May be 0 to imply the value is not known.
Get_B3 ( FrameSize_Max, "FrameSize_Max"); //The maximum frame size (in bytes) used in the stream. May be 0 to imply the value is not known.
BS_Begin();
Get_S3 (20, SampleRate, "SampleRate"); //Sample rate in Hz. Though 20 bits are available, the maximum sample rate is limited by the structure of frame headers to 1048570Hz. Also, a value of 0 is invalid.
Get_S1 ( 3, Channels, "Channels"); Param_Info(Channels+1, " channels"); //(number of channels)-1. FLAC supports from 1 to 8 channels
Get_S1 ( 5, BitPerSample, "BitPerSample"); Param_Info(BitPerSample+1, " bits"); //(bits per sample)-1. FLAC supports from 4 to 32 bits per sample. Currently the reference encoder and decoders only support up to 24 bits per sample.
Get_S5 (36, Samples, "Samples");
BS_End();
Skip_B16( "MD5 signature of the unencoded audio data");
//Filling
if (SampleRate==0)
return;
Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_Format, "FLAC");
Fill(Stream_Audio, 0, Audio_Codec, "FLAC");
if (FrameSize_Min==FrameSize_Max && FrameSize_Min!=0 ) // 0 means it is unknown
Fill(Stream_Audio, 0, Audio_BitRate_Mode, "CBR");
else
Fill(Stream_Audio, 0, Audio_BitRate_Mode, "VBR");
Fill(Stream_Audio, 0, Audio_SamplingRate, SampleRate);
Fill(Stream_Audio, 0, Audio_Channel_s_, Channels+1);
Fill(Stream_Audio, 0, Audio_Resolution, BitPerSample+1);
Fill(Stream_Audio, 0, Audio_Duration, Samples*1000/SampleRate);
}
//---------------------------------------------------------------------------
void File_Mpeg4_Descriptors::Descriptor_03()
{
//Parsing
bool streamDependenceFlag, URL_Flag, OCRstreamFlag;
Get_B2 (ES_ID, "ES_ID");
BS_Begin();
Get_SB ( streamDependenceFlag, "streamDependenceFlag");
Get_SB ( URL_Flag, "URL_Flag");
Get_SB ( OCRstreamFlag, "OCRstreamFlag");
Skip_S1(5, "streamPriority");
BS_End();
if (streamDependenceFlag)
Skip_B2( "dependsOn_ES_ID");
if (URL_Flag)
{
int8u URLlength;
Get_B1 (URLlength, "URLlength");
Skip_UTF8(URLlength, "URLstring");
}
if (OCRstreamFlag)
Skip_B2( "OCR_ES_Id");
FILLING_BEGIN();
Element_ThisIsAList();
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Vc3::CodingControlA()
{
//Parsing
Element_Begin("Coding Control A", 3);
BS_Begin();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Info_S1(2, FFC, "Field/Frame Count"); Param_Info(Vc3_FFC[FFC]);
Mark_1();
Mark_0();
Mark_0();
Get_SB ( CRCF, "CRC flag");
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_1();
Mark_0();
Mark_1();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
BS_End();
Element_End();
}
//---------------------------------------------------------------------------
void File_MpcSv8::SH()
{
//Parsing
int64u SampleCount;
int8u Version, SampleFrequency, ChannelCount;
bool MidSideStereo;
Skip_B4( "CRC32");
Get_B1 (Version, "Version");
Get_VS (SampleCount, "Sample count");
Skip_VS( "Beginning silence");
BS_Begin();
Get_S1 (3, SampleFrequency, "Sample frequency"); Param_Info(Mpc_SampleFreq[SampleFrequency]);
Skip_S1(5, "Max used bands");
Get_S1 (4, ChannelCount, "Channel count");
Get_SB ( MidSideStereo, "Mid side stereo used");
Skip_S1(3, "Audio block frames");
BS_End();
//Filling
FILLING_BEGIN();
Fill(Stream_Audio, 0, Audio_SamplingRate, Mpc_SampleFreq[SampleFrequency]);
if (SampleCount)
{
Fill(Stream_Audio, 0, Audio_SamplingCount, SampleCount);
Fill(Stream_Audio, 0, Audio_Duration, SampleCount*1000/Mpc_SampleFreq[SampleFrequency]);
Fill(Stream_Audio, 0, Audio_BitRate, File_Size*8*Mpc_SampleFreq[SampleFrequency]/SampleCount); //Should be more precise...
}
Fill(Stream_Audio, 0, Audio_Resolution, 16); //MPC support only 16 bits
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Pcm_M2ts::Read_Buffer_Continue()
{
if (Buffer_Size==0)
return;
//Parsing
int16u audio_data_payload_size;
Get_B2 ( audio_data_payload_size, "audio_data_payload_size");
BS_Begin();
Get_S1 (4, channel_assignment, "channel_assignment"); Param_Info2(Pcm_M2TS_channel_assignment[channel_assignment], " channel(s)");
Get_S1 (4, sampling_frequency, "sampling_frequency"); Param_Info2(Pcm_M2TS_sampling_frequency[sampling_frequency], " Hz");
Get_S1 (2, bits_per_sample, "bits_per_sample"); Param_Info2(Pcm_M2TS_bits_per_sample[bits_per_sample], " bits");
Skip_SB( "start_flag");
Skip_S1(5, "reserved");
BS_End();
Skip_XX(audio_data_payload_size, "audio_data_payload");
FILLING_BEGIN_PRECISE();
if (!Status[IsAccepted])
{
Accept();
Finish();
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Mpeg4_Descriptors::Descriptor_02()
{
//Parsing
bool URL_Flag;
BS_Begin();
Skip_S2(10, "ObjectDescriptorID");
Get_SB ( URL_Flag, "URL_Flag");
Skip_SB( "includeInlineProfileLevelFlag");
Skip_S1( 4, "reserved");
BS_End();
if (URL_Flag)
{
int8u URLlength;
Get_B1 (URLlength, "URLlength");
Skip_UTF8(URLlength, "URLstring");
}
Info_B1(ODProfileLevel, "ODProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_ODProfileLevelIndication(ODProfileLevel));
Info_B1(SceneProfileLevel, "sceneProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_SceneProfileLevelIndication(SceneProfileLevel));
Info_B1(AudioProfileLevel, "audioProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_AudioProfileLevelIndication(AudioProfileLevel));
Info_B1(VisualProfileLevel, "visualProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_VisualProfileLevelIndication(VisualProfileLevel));
Info_B1(GraphicsProfileLevel, "graphicsProfileLevelIndication"); Param_Info(Mpeg4_Descriptors_GraphicsProfileLevelIndication(GraphicsProfileLevel));
FILLING_BEGIN();
Element_ThisIsAList();
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Vc3::TimeCode()
{
//Parsing
Element_Begin1("Time Code");
bool TCP;
BS_Begin();
Get_SB ( TCP, "TCP: Time Code Present");
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
BS_End();
if (TCP)
{
Skip_B8( "Time Code");
}
else
Skip_B8( "Junk");
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::Read_Buffer_Continue_raw_data_block()
{
if (Frame_Count>Frame_Count_Valid)
{
Skip_XX(Element_Size, "Data");
return; //Parsing completely only the 1st frame
}
BS_Begin();
raw_data_block();
BS_End();
if (FrameIsAlwaysComplete && Element_Offset<Element_Size)
Skip_XX(Element_Size-Element_Offset, "Unknown");
FILLING_BEGIN();
//Counting
Frame_Count++;
if (Frame_Count_NotParsedIncluded!=(int64u)-1)
Frame_Count_NotParsedIncluded++;
Element_Info1(Ztring::ToZtring(Frame_Count));
//Filling
if (!Status[IsAccepted])
File__Analyze::Accept();
if (Frame_Count>=Frame_Count_Valid)
{
//No more need data
if (Mode==Mode_LATM)
File__Analyze::Accept();
File__Analyze::Finish();
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Vc3::ImageGeometry()
{
//Parsing
Element_Begin("Image Geometry", 11);
Get_B2 (ALPF, "Active lines-per-frame");
Get_B2 (SPL, "Samples-per-line");
Skip_B1( "Zero");
Skip_B2( "Number of active lines");
Skip_B2( "Zero");
BS_Begin();
Get_S1 (3, SBD, "Sample bit depth");
Mark_1();
Mark_1();
Mark_0();
Mark_0();
Mark_0();
Mark_1();
Mark_0();
Mark_0();
Mark_0();
Mark_1();
Get_SB ( SST, "Source scan type");
Mark_0();
Mark_0();
BS_End();
Element_End();
}
//---------------------------------------------------------------------------
void File_DvbSubtitle::page_composition_segment()
{
Element_Name("page composition segment");
//Parsing
Skip_B1( "page_time_out");
BS_Begin();
Skip_S1(4, "page_version_number");
Skip_S1(2, "page_state");
Skip_S1(2, "reserved");
BS_End();
while(Element_Offset<Element_Size)
{
Element_Begin1("Region");
int16u region_horizontal_address, region_vertical_address;
int8u region_id;
Get_B1 (region_id, "region_id");
Skip_B1( "reserved");
Get_B2 (region_horizontal_address, "region_horizontal_address");
Get_B2 (region_vertical_address, "region_vertical_address");
Element_End0();
FILLING_BEGIN();
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].page_composition_segment=true;
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_horizontal_address=region_horizontal_address;
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_vertical_address=region_vertical_address;
FILLING_END();
}
}
//---------------------------------------------------------------------------
void File_Cdp::cdp_header()
{
Element_Begin1("cdp_header");
int16u cdp_identifier;
int8u cdp_frame_rate;
Get_B2 ( cdp_identifier, "cdp_identifier");
Skip_B1( "cdp_length");
BS_Begin();
Get_S1 (4, cdp_frame_rate, "cdp_frame_rate"); Param_Info1(Ztring::ToZtring(Cdp_cdp_frame_rate(cdp_frame_rate))+__T(" fps"));
Skip_S1(4, "Reserved");
Skip_SB( "time_code_present");
Skip_SB( "ccdata_present");
Skip_SB( "svcinfo_present");
Skip_SB( "svc_info_start");
Skip_SB( "svc_info_change");
Skip_SB( "svc_info_complete");
Skip_SB( "caption_service_active");
Skip_SB( "Reserved");
BS_End();
Skip_B2( "cdp_hdr_sequence_cntr");
Element_End0();
FILLING_BEGIN();
if (!Status[IsAccepted])
{
if (cdp_identifier!=0x9669)
{
Reject("CDP");
return;
}
Accept("CDP");
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Tak::ENCODERINFO()
{
//Parsing
int8u Revision, Minor, Major, Preset_hi, Preset_lo;
Get_L1 (Revision, "Revision");
Get_L1 (Minor, "Minor");
Get_L1 (Major, "Major");
BS_Begin();
Get_S1 (4, Preset_hi, "Preset (hi)");
Get_S1 (4, Preset_lo, "Preset (lo)");
BS_End();
FILLING_BEGIN();
Ztring Version=Ztring::ToZtring(Major)+__T('.')+Ztring::ToZtring(Minor)+__T('.')+Ztring::ToZtring(Revision);
Ztring Preset=__T("-p")+Ztring::ToZtring(Preset_lo);
switch (Preset_hi)
{
case 0x00 : break;
case 0x01 : Preset+=__T('e'); break;
case 0x02 : Preset+=__T('m'); break;
default : Preset+=__T('-')+Ztring::ToZtring(Preset_hi, 16); //Unknown
}
Fill(Stream_Audio, 0, Audio_Encoded_Library, "TAK");
Fill(Stream_Audio, 0, Audio_Encoded_Library_String, __T("TAK ")+Version);
Fill(Stream_Audio, 0, Audio_Encoded_Library_Name, "TAK");
Fill(Stream_Audio, 0, Audio_Encoded_Library_Version, Version);
Fill(Stream_Audio, 0, Audio_Encoded_Library_Settings, Preset);
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Als::FileHeader_Parse()
{
//Parsing
int32u SampleRate, Samples;
int16u Channels;
int8u BitsPerSample, FileType;
Skip_C4( "signature");
Get_B4 (SampleRate, "sample rate");
Get_B4 (Samples, "samples");
Get_B2 (Channels, "channels-1"); Param_Info2(Channels+1, " channel(s)");
BS_Begin();
Get_S1 (3, FileType, "file type"); // WAV, RIFF, AIFF
Get_S1 (3, BitsPerSample, "bits per sample"); Param_Info2((BitsPerSample+1)*8, " bits");
Skip_SB( "floating point");
Skip_SB( "samples are big-endian");
BS_End();
FILLING_BEGIN();
if (!CalcDurationUncompressedSize(Samples, SampleRate, (BitsPerSample+1)*8, Channels))
return;
File__Tags_Helper::Accept("ALS");
File__Tags_Helper::Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_Format, "ALS");
Fill(Stream_Audio, 0, Audio_Codec, "ALS");
Fill(Stream_Audio, 0, Audio_BitDepth, (BitsPerSample+1)*8);
Fill(Stream_Audio, StreamPos_Last, Audio_Channel_s_, Channels+1);
Fill(Stream_Audio, StreamPos_Last, Audio_SamplingRate, SampleRate);
Fill(Stream_Audio, 0, Audio_Duration, Duration);
//No more need data
File__Tags_Helper::Finish("ALS");
FILLING_END();
}
//---------------------------------------------------------------------------
void File_DolbyE::Data_Parse()
{
//In case of scrambling
const int8u* Save_Buffer=NULL;
size_t Save_Buffer_Offset=0;
int64u Save_File_Offset=0;
if (ScrambledBitStream)
{
//We must change the buffer,
Save_Buffer=Buffer;
Save_Buffer_Offset=Buffer_Offset;
Save_File_Offset=File_Offset;
File_Offset+=Buffer_Offset;
Buffer_Offset=0;
Descrambled_Buffer=new int8u[(size_t)Element_Size];
std::memcpy(Descrambled_Buffer, Save_Buffer+Save_Buffer_Offset, (size_t)Element_Size);
Buffer=Descrambled_Buffer;
}
//Parsing
BS_Begin();
Block();
BS_End();
//In case of scrambling
if (ScrambledBitStream)
{
delete[] Buffer; Buffer=Save_Buffer;
Buffer_Offset=Save_Buffer_Offset;
File_Offset=Save_File_Offset;
}
FILLING_BEGIN();
if (!Status[IsAccepted])
{
Accept("Dolby E");
//Guard band
GuardBand_Before_Initial=GuardBand_Before;
GuardBand_After_Initial=GuardBand_After;
}
Frame_Count++;
if (Frame_Count_NotParsedIncluded!=(int64u)-1)
Frame_Count_NotParsedIncluded++;
if (Mpegv_frame_rate[FrameRate])
FrameInfo.DUR=float64_int64s(1000000000/Mpegv_frame_rate[FrameRate]);
else
FrameInfo.DUR=(int64u)-1;
if (FrameInfo.DTS!=(int64u)-1)
FrameInfo.PTS=FrameInfo.DTS+=FrameInfo.DUR;
if (Frame_Count==1)
{
Finish("Dolby E");
}
FILLING_END();
if (Frame_Count==0 && Buffer_TotalBytes>Buffer_TotalBytes_FirstSynched_Max)
Reject("Dolby E");
}
//---------------------------------------------------------------------------
void File_Tak::STREAMINFO()
{
//Parsing
int32u num_samples_hi, samplerate;
int8u num_samples_lo, framesizecode, samplesize;
bool channels;
Skip_L1 ( "unknown");
BS_Begin();
Get_S1 ( 2, num_samples_lo, "num_samples (lo)");
Get_S1 ( 3, framesizecode, "framesizecode");
Skip_S1( 2, "unknown");
BS_End();
Get_L4 (num_samples_hi, "num_samples (hi)"); Param_Info2((((int64u)num_samples_hi)<<2 | num_samples_lo), " samples");
Get_L3 (samplerate, "samplerate"); Param_Info2((samplerate/16)+6000, " Hz");
BS_Begin();
Skip_S1( 4, "unknown");
Get_SB ( channels, "channels"); Param_Info1(channels?"Stereo":"Mono");
Get_S1 ( 2, samplesize, "samplesize"); Param_Info1(Tak_samplesize[samplesize]);
Skip_SB( "unknown");
BS_End();
Skip_L3( "crc");
FILLING_BEGIN()
//Coherency
if (samplerate==0)
return;
//Computing
int64u Samples=((int64u)num_samples_hi)<<2 | num_samples_lo;
int32u SamplingRate=(samplerate/16)+6000;
//Filling
File__Tags_Helper::Accept("TAK");
File__Tags_Helper::Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_Format, "TAK");
Fill(Stream_Audio, 0, Audio_Codec, "TAK");
Fill(Stream_Audio, 0, Audio_SamplingRate, SamplingRate);
Fill(Stream_Audio, 0, Audio_Channel_s_, channels?2:1);
if (Tak_samplesize[samplesize])
Fill(Stream_Audio, 0, Audio_BitDepth, Tak_samplesize[samplesize]);
Fill(Stream_Audio, 0, Audio_Duration, Samples*1000/SamplingRate);
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Dts::Header_Parse()
{
//Parsing
int16u Primary_Frame_Byte_Size_minus_1;
int8u EncoderSoftwareRevision;
bool crc_present;
Skip_B4( "Sync");
BS_Begin();
Info_SB( FrameType, "Frame Type"); Param_Info(DTS_FrameType[FrameType]);
Skip_S1( 5, "Deficit Sample Count");
Get_SB ( crc_present, "CRC Present");
Skip_S1( 7, "Number of PCM Sample Blocks");
Get_S2 (14, Primary_Frame_Byte_Size_minus_1, "Primary Frame Byte Size minus 1");
Primary_Frame_Byte_Size_minus_1+=1;
if (!Word) Primary_Frame_Byte_Size_minus_1=Primary_Frame_Byte_Size_minus_1*8/14*2; Param_Info(Ztring::ToZtring(Primary_Frame_Byte_Size_minus_1)+_T(" bytes")); //Word is on 14 bits!
Get_S1 ( 6, channel_arrangement, "Audio Channel Arrangement"); Param_Info(Ztring::ToZtring(DTS_Channels[channel_arrangement])+_T(" channels"));
Get_S1 ( 4, sample_frequency, "Core Audio Sampling Frequency"); Param_Info(Ztring::ToZtring(DTS_SamplingRate[sample_frequency])+_T(" Hz"));
Get_S1 ( 5, bit_rate, "Transmission Bit Rate"); Param_Info(Ztring::ToZtring(DTS_BitRate[bit_rate])+_T(" bps"));
Skip_SB( "Embedded Down Mix Enabled");
Skip_SB( "Embedded Dynamic Range");
Skip_SB( "Embedded Time Stamp");
Skip_SB( "Auxiliary Data");
Skip_SB( "HDCD");
Get_S1 ( 3, ExtensionAudioDescriptor, "Extension Audio Descriptor"); Param_Info(DTS_ExtensionAudioDescriptor[ExtensionAudioDescriptor]);
Get_SB ( ExtendedCoding, "Extended Coding");
Skip_SB( "Audio Sync Word Insertion");
Get_S1 ( 2, lfe_effects, "Low Frequency Effects");
Skip_SB( "Predictor History");
if (crc_present)
Skip_S2(16, "Header CRC Check");
Skip_SB( "Multirate Interpolator");
Get_S1 ( 4, EncoderSoftwareRevision, "Encoder Software Revision");
Skip_S1( 2, "Copy History");
Get_S1 ( 2, bits_per_sample, "Source PCM Resolution"); Param_Info(Ztring::ToZtring(DTS_Resolution[bits_per_sample])+_T(" bits"));
Skip_SB( "ES");
Skip_SB( "Front Sum/Difference");
Skip_SB( "Surrounds Sum/Difference");
Skip_S1( 4, "Dialog Normalisation Parameter");
switch (EncoderSoftwareRevision)
{
case 6 :
Skip_S1( 4, "Dialog Normalisation Parameter");
break;
case 7 :
Skip_S1( 4, "Dialog Normalisation Parameter");
break;
default :
Skip_S1( 4, "Unspecified");
break;
}
BS_End();
//Filling
Header_Fill_Size(Primary_Frame_Byte_Size_minus_1+DTS_HD_Unknown_Size); //TODO: change this, for DTS-HD
Header_Fill_Code(0, "Frame");
}
//---------------------------------------------------------------------------
void File_Aac::Read_Buffer_Continue_AudioSpecificConfig()
{
File__Analyze::Accept(); //We automaticly trust it
BS_Begin();
AudioSpecificConfig(0); //Up to the end of the block
BS_End();
Mode=Mode_raw_data_block; //Mode_AudioSpecificConfig only once
}
//---------------------------------------------------------------------------
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_Aac::FileHeader_Parse_ADIF()
{
adif_header();
BS_Begin();
raw_data_block();
BS_End();
FILLING_BEGIN();
File__Tags_Helper::Finish();
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Latm::Header_Parse()
{
int16u audioMuxLengthBytes;
BS_Begin();
Skip_S2(11, "syncword");
Get_S2 (13, audioMuxLengthBytes, "audioMuxLengthBytes");
BS_End();
//Filling
Header_Fill_Size(3+audioMuxLengthBytes);
Header_Fill_Code(0, "LATM");
}
//---------------------------------------------------------------------------
void File_Eia708::Header_Parse()
{
//Parsing
int8u packet_size, sequence_number;
BS_Begin();
Get_S1(2, sequence_number, "sequence_number");
Get_S1(6, packet_size, "packet_size");
BS_End();
Header_Fill_Code(0, _T("DTVCC packet"));
Header_Fill_Size(packet_size*2);
}
//---------------------------------------------------------------------------
void File_MpcSv8::EI()
{
//Parsing
int8u Quality, Version1, Version2, Version3;
bool PNS;
BS_Begin();
Get_S1 (7, Quality, "Quality");
Get_SB ( PNS, "PNS");
BS_End();
Get_B1 (Version1, "Major version");
Get_B1 (Version2, "Minor version");
Get_B1 (Version3, "Build");
}
//---------------------------------------------------------------------------
// Packet "0E"
void File_Vc1::EntryPointHeader()
{
Element_Name("EntryPointHeader");
//Parsing
bool extended_mv;
BS_Begin();
Skip_SB( "broken_link");
Skip_SB( "closed_entry");
Get_SB ( panscan_flag, "panscan_flag");
Skip_SB( "refdist_flag");
Skip_SB( "loopfilter");
Skip_SB( "fastuvmc");
Get_SB ( extended_mv, "extended_mv");
Skip_S1( 2, "dquant");
Skip_SB( "vstransform");
Skip_SB( "overlap");
Skip_S1( 2, "quantizer");
if (hrd_param_flag)
for (int8u Pos=0; Pos<hrd_num_leaky_buckets; Pos++)
{
Element_Begin("leaky_bucket");
Skip_S2( 8, "hrd_full");
Element_End();
}
TEST_SB_SKIP( "coded_size_flag");
Info_S2(12, coded_width, "coded_width"); Param_Info((coded_width+1)*2, " pixels");
Info_S2(12, coded_height, "coded_height"); Param_Info((coded_height+1)*2, " pixels");
TEST_SB_END();
if (extended_mv)
Skip_SB( "extended_dmv");
TEST_SB_SKIP( "luma_sampling");
Skip_S1( 3, "y_range");
TEST_SB_END();
TEST_SB_SKIP( "chroma_sampling");
Skip_S1( 3, "uv_range");
TEST_SB_END();
BS_End();
FILLING_BEGIN();
//NextCode
NextCode_Test();
NextCode_Clear();
NextCode_Add(0x0D);
//Autorisation of other streams
Streams[0x0D].Searching_Payload=true;
EntryPoint_Parsed=true;
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Flac::Header_Parse()
{
//Parsing
int32u Length;
int8u BLOCK_TYPE;
BS_Begin();
Get_SB ( Last_metadata_block, "Last-metadata-block");
Get_S1 (7, BLOCK_TYPE, "BLOCK_TYPE");
BS_End();
Get_B3 (Length, "Length");
//Filling
Header_Fill_Code(BLOCK_TYPE, Ztring().From_CC1(BLOCK_TYPE));
Header_Fill_Size(Element_Offset+Length);
}
//---------------------------------------------------------------------------
void File_Vc3::CodingControlB()
{
//Parsing
Element_Begin1("Coding Control B");
BS_Begin();
Info_S1(1, FFE, "Field/Frame Count"); Param_Info1(Vc3_FFE[FFE]);
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
BS_End();
Element_End0();
}
