//---------------------------------------------------------------------------
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_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_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_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();
}
//---------------------------------------------------------------------------
// AAC in ES, SBR part, 3+ bytes
void File_Mpeg4_AudioSpecificConfig::SBR ()
{
//Parsing
int16u syncExtensionType;
int8u samplingFrequencyIndex;
Element_Begin("SBR");
Get_S2 (11, syncExtensionType, "syncExtensionType");
if (syncExtensionType!=0x2B7)
{
Element_End();
return;
}
Get_S1 (5, extensionAudioObjectType, "extensionAudioObjectType");
if (extensionAudioObjectType==0x05)
{
Get_SB ( sbrPresentFlag, "sbrPresentFlag");
if (sbrPresentFlag)
{
Get_S1 (4, samplingFrequencyIndex, "extensionSamplingFrequencyIndex"); Param_Info(MP4_SamplingRate[samplingFrequencyIndex]);
if (samplingFrequencyIndex>=0xF)
{
Get_S3 (24, samplingFrequency, "extensionSamplingFrequency");
}
else
samplingFrequency=MP4_SamplingRate[samplingFrequencyIndex];
}
}
Element_End();
//PS stuff
if (Data_Remain())
PS();
}
//---------------------------------------------------------------------------
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_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_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_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_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_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();
}
//---------------------------------------------------------------------------
// AAC in ES, SBR part, 3+ bytes
void File_Mpeg4_AudioSpecificConfig::SBR ()
{
//Parsing
int16u syncExtensionType;
int8u samplingFrequencyIndex;
Element_Begin("SBR");
Get_S2 (11, syncExtensionType, "syncExtensionType");
if (syncExtensionType!=0x2B7)
{
Element_End();
return;
}
Get_S1 (5, extensionAudioObjectType, "extensionAudioObjectType");
if (extensionAudioObjectType==0x05)
{
Get_SB ( sbrPresentFlag, "sbrPresentFlag");
if (sbrPresentFlag)
{
Get_S1 (4, samplingFrequencyIndex, "extensionSamplingFrequencyIndex"); Param_Info(MP4_SamplingRate[samplingFrequencyIndex]);
if (samplingFrequencyIndex==0xF)
{
Get_S3 (24, samplingFrequency, "extensionSamplingFrequency");
}
else
samplingFrequency=MP4_SamplingRate[samplingFrequencyIndex];
}
}
Element_End();
FILLING_BEGIN();
//Filling
if (sbrPresentFlag)
{
Fill(Stream_Audio, StreamPos_Last, Audio_Format_Settings, "SBR");
Fill(Stream_Audio, StreamPos_Last, Audio_Format_Settings_SBR, "Yes", Unlimited, true, true);
Fill(Stream_Audio, StreamPos_Last, Audio_Format_Settings_PS, "No");
Ztring Codec=Retrieve(Stream_Audio, StreamPos_Last, Audio_Codec);
Fill(Stream_Audio, StreamPos_Last, Audio_Codec, Codec+_T("/SBR"), true);
Fill(Stream_Audio, StreamPos_Last, Audio_SamplingRate, samplingFrequency, 10, true);
}
//PS stuff
if (Data_Remain())
PS();
FILLING_END();
}
//---------------------------------------------------------------------------
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_Bpg::Read_Buffer_Continue()
{
//Parsing
Ztring Version;
int64u Width, Height;
int8u pixelformat, BitsDepth, ColorSpace;
bool Alpha1_flag, Alpha2_flag, ReservedZeros, limited_range_flag, ExtensionPresentFlag;
Element_Begin1("File header");
Skip_C4( "Magic"); // File Magic
BS_Begin();
Get_S1 (3, pixelformat, "pixel_format"); Param_Info1(Bpg_Pixel_format(pixelformat));
Get_SB (Alpha1_flag, "Alpha1 Present Flag");
Get_S1 (4, BitsDepth, "bit_depth_minus_8");
Get_S1(4, ColorSpace, "color_space"); Param_Info1(Bpg_ColorSpace(ColorSpace)); Param_Info1(Bpg_colour_primaries(ColorSpace));
Get_SB (ExtensionPresentFlag, "Extension Present Flag");
Get_SB (Alpha2_flag, "Alpha2 Present Flag");
Get_SB (limited_range_flag, "limited_range_flag");
Get_SB (ReservedZeros, "Reserved");
BS_End();
Get_VS(Width, "Picture Width");
Get_VS(Height, "Picture Height");
Element_End0();
FILLING_BEGIN();
Accept("BPG");
Stream_Prepare(Stream_Image);
Fill(Stream_Image, 0, Image_Width, Width);
Fill(Stream_Image, 0, Image_Height, Height);
Fill(Stream_Image, 0, Image_Format, __T("BPG"));
Fill(Stream_Image, 0, Image_ChromaSubsampling, Bpg_Pixel_format(pixelformat));
Fill(Stream_Image, 0, Image_ColorSpace, Bpg_ColorSpace(ColorSpace));
Fill(Stream_Image, 0, Image_colour_primaries, Bpg_colour_primaries(ColorSpace));
Fill(Stream_Image, 0, Image_BitDepth, BitsDepth + 8);
Fill(Stream_Image, 0, Image_Codec, __T("BPG"));
FILLING_END();
Finish("BPG");
}
//---------------------------------------------------------------------------
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_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_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");
}
//---------------------------------------------------------------------------
void File_Gif::Read_Buffer_Continue()
{
//Parsing
Ztring Version;
int16u Width, Height;
int8u BackgroundColorIndex, PixelAspectRatio, Resolution, GCT_Size;
bool GCT_Flag, Sort;
Skip_Local(3, "Header");
Get_Local (3, Version, "Version");
Get_L2 (Width, "Logical Screen Width");
Get_L2 (Height, "Logical Screen Height");
BS_Begin();
Get_SB ( GCT_Flag, "Global Color Table Flag");
Get_S1 (3, Resolution, "Color Resolution");
Get_SB ( Sort, "Sort Flag to Global Color Table");
Get_S1 (3, GCT_Size, "Size of Global Color Table"); Param_Info(Ztring::ToZtring((int16u)pow(2.0, 1+GCT_Size)));
BS_End();
Get_L1 (BackgroundColorIndex, "Background Color Index");
Get_L1 (PixelAspectRatio, "Pixel Aspect Ratio");
if (GCT_Flag)
Skip_XX((int16u)pow(2.0, 1+GCT_Size)*3, "Global Color Table");
Element_End();
FILLING_BEGIN();
Accept("GIF");
Stream_Prepare(Stream_Image);
Fill(Stream_Image, 0, Image_Width, Width);
Fill(Stream_Image, 0, Image_Height, Height);
Fill(Stream_Image, 0, Image_Format, _T("GIF"));
Fill(Stream_Image, 0, Image_Format_Profile, Version);
Fill(Stream_Image, 0, Image_Codec, _T("GIF")+Version);
Finish("GIF");
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_AfdBarData::afd_data()
{
//Parsing
Element_Begin1("Active Format Description");
BS_Begin();
if (Format==Format_S2016_3)
{
Mark_0_NoTrustError();
Get_S1 (4, active_format, "active_format"); Param_Info1(AfdBarData_active_format[active_format]);
Get_S1 (1, aspect_ratio, "aspect_ratio"); Param_Info1(AfdBarData_aspect_ratio[aspect_ratio]);
Mark_0_NoTrustError();
Mark_0_NoTrustError();
}
else
{
bool active_format_flag;
Mark_0();
Get_SB (active_format_flag, "active_format_flag");
Mark_0_NoTrustError();
Mark_0_NoTrustError();
Mark_0_NoTrustError();
Mark_0_NoTrustError();
Mark_0_NoTrustError();
Mark_1_NoTrustError();
if (active_format_flag)
{
Mark_1_NoTrustError();
Mark_1_NoTrustError();
Mark_1_NoTrustError();
Mark_1_NoTrustError();
Get_S1 (4, active_format, "active_format"); Param_Info1(AfdBarData_active_format[active_format]);
}
}
BS_End();
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::PARAconfig()
{
Element_Begin1("PARAconfig");
int8u PARAmode;
Get_S1(2,PARAmode, "PARAmode");
if (PARAmode != 1)
ErHVXCconfig();
if (PARAmode != 0)
HILNconfig();
bool PARAextensionFlag;
Get_SB(PARAextensionFlag, "PARAextensionFlag");
if (PARAextensionFlag) {
/* to be defined in MPEG-4 Phase 3 */
}
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::SSCSpecificConfig ()
{
Element_Begin1("SSCSpecificConfig");
Skip_S1(2,"decoder_level");
Skip_S1(4,"update_rate");
Skip_S1(2,"synthesis_method");
if (channelConfiguration != 1)
{
int8u mode_ext;
Get_S1(2,mode_ext,"mode_ext");
if ((channelConfiguration == 2) && (mode_ext == 1))
{
/*reserved*/
}
}
Element_End0();
}
//---------------------------------------------------------------------------
void File_Amr::Header_Parse()
{
BS_Begin();
Skip_SB( "Frame Following");
Get_S1 ( 4, FrameType, "Frame Type");
Skip_SB( "Frame Quality");
Skip_SB( "Unknown");
Skip_SB( "Unknown");
BS_End();
//Filling
if (Amr_BitRate[FrameType]==0)
{
Finish("AMR");
return;
}
Header_Fill_Size(Amr_BitRate[FrameType]/400);
Header_Fill_Code(0, "frame");
}
//---------------------------------------------------------------------------
void File_Vc3::CodingControlA()
{
//Parsing
Element_Begin1("Coding Control A");
BS_Begin();
int8u FFC;
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Mark_0();
Get_S1 (2, FFC, "Field/Frame Count"); Param_Info1(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_End0();
FILLING_BEGIN();
if (FFC_FirstFrame==(int8u)-1)
FFC_FirstFrame=FFC;
FILLING_END();
}
//---------------------------------------------------------------------------
// Packet "B3" or "B6"
void File_AvsV::picture_start()
{
//Counting
if (File_Offset+Buffer_Offset+Element_Size==File_Size)
Frame_Count_Valid=Frame_Count; //Finalize frames in case of there are less than Frame_Count_Valid frames
Frame_Count++;
//Name
Element_Name("picture_start");
Element_Info(Ztring::ToZtring(Frame_Count));
if (Element_Code==0xB3)
Element_Info(_T("I"));
//Parsing
int8u picture_coding_type=(int8u)-1;
bool time_code_flag, progressive_frame, picture_structure=true, top_field_first, repeat_first_field, skip_mode_flag=false, loop_filter_disable;
Skip_B2( "bbv_delay");
BS_Begin();
if (Element_Code==0xB3) //Only I
{
Get_SB ( time_code_flag, "time_code_flag");
if (time_code_flag)
{
Skip_SB( "time_code_dropframe");
Skip_S1(5, "time_code_hours");
Skip_S1(6, "time_code_minutes");
Skip_S1(6, "time_code_seconds");
Skip_S1(6, "time_code_pictures");
}
}
if (Element_Code==0xB6) //Only P or B
{
Get_S1 ( 2, picture_coding_type, "picture_coding_type"); Element_Info(AvsV_picture_coding_type[picture_coding_type]);
}
Skip_S1( 8, "picture_distance");
if (low_delay)
Skip_UE( "bbv_check_times");
Get_SB ( progressive_frame, "progressive_frame");
if (!progressive_frame)
{
Get_SB( picture_structure, "picture_structure");
if (Element_Code==0xB6) //Only P or B
{
if (picture_structure)
Skip_SB( "advanced_pred_mode_disable");
}
}
Get_SB ( top_field_first, "top_field_first");
Get_SB ( repeat_first_field, "repeat_first_field");
Skip_SB( "fixed_picture_qp");
Skip_S1( 6, "picture_qp");
if (Element_Code==0xB3) //Only I
{
if (!progressive_frame && !picture_structure)
Get_SB( skip_mode_flag, "skip_mode_flag");
}
if (Element_Code==0xB6) //Only P or B
{
if (picture_coding_type!=2 || !picture_structure)
Skip_SB( "picture_reference_flag");
}
Skip_SB( "reserved");
Skip_SB( "reserved");
Skip_SB( "reserved");
Skip_SB( "reserved");
if (Element_Code==0xB6) //Only P or B
{
Get_SB( skip_mode_flag, "skip_mode_flag");
}
Get_SB ( loop_filter_disable, "loop_filter_disable");
if (!loop_filter_disable)
{
bool loop_filter_parameter_flag;
Get_SB ( loop_filter_parameter_flag, "loop_filter_parameter_flag");
if (loop_filter_parameter_flag)
{
Skip_SE( "alpha_c_offset");
Skip_SE( "beta_offset");
}
}
BS_End();
if (Element_Size-Element_Offset)
Skip_XX(Element_Size-Element_Offset, "Unknown");
FILLING_BEGIN();
if (progressive_frame==false)
{
if (picture_structure==true) //Frame
{
if (top_field_first)
Interlaced_Top++;
else
Interlaced_Bottom++;
}
}
else
progressive_frame_Count++;
//NextCode
NextCode_Test();
NextCode_Clear();
for (int8u Pos=0x00; Pos<=0xAF; Pos++)
NextCode_Add(Pos); //slice
NextCode_Add(0xB0); //video_sequence_start
NextCode_Add(0xB3); //picture_start
NextCode_Add(0xB6); //picture_start
//Autorisation of other streams
for (int8u Pos=0x00; Pos<=0xAF; Pos++)
Streams[Pos].Searching_Payload=true; //slice
//Filling only if not already done
if (Frame_Count>=Frame_Count_Valid && Count_Get(Stream_Video)==0)
{
//No need of more
Accept("AVS Video");
Finish("AVS Video");
}
FILLING_END();
}
//---------------------------------------------------------------------------
// Packet "B5"
void File_AvsV::extension_start()
{
Element_Name("Extension");
//Parsing
int8u extension_start_code_identifier;
BS_Begin();
Get_S1 ( 4, extension_start_code_identifier, "extension_start_code_identifier"); Param_Info(AvsV_extension_start_code_identifier[extension_start_code_identifier]);
Element_Info(AvsV_extension_start_code_identifier[extension_start_code_identifier]);
switch (extension_start_code_identifier)
{
case 2 :{ //sequence_display
//Parsing
Get_S1 ( 3, video_format, "video_format"); Param_Info(AvsV_video_format[video_format]);
Skip_SB( "sample_range");
TEST_SB_SKIP( "colour_description");
Skip_S1( 8, "colour_primaries");
Skip_S1( 8, "transfer_characteristics");
Skip_S1( 8, "matrix_coefficients");
TEST_SB_END();
Get_S2 (14, display_horizontal_size, "display_horizontal_size");
Mark_1 ();
Get_S2 (14, display_vertical_size, "display_vertical_size");
Skip_SB( "reserved");
Skip_SB( "reserved");
BS_End();
}
break;
case 4 :{ //copyright
//Parsing
Skip_SB( "copyright_flag");
Skip_S1( 8, "copyright_id");
Skip_SB( "original_or_copy");
Skip_S1( 7, "reserved");
Mark_1 ();
Info_S3(20, copyright_number_1, "copyright_number_1");
Mark_1 ();
Info_S3(22, copyright_number_2, "copyright_number_2");
Mark_1 ();
Info_S3(22, copyright_number_3, "copyright_number_3"); Param_Info(Ztring::ToZtring(((int64u)copyright_number_1<<44)+((int64u)copyright_number_2<<22)+(int64u)copyright_number_3, 16));
BS_End();
}
break;
case 11 :{ //camera_parameters
//Parsing
Skip_SB( "reserved");
Skip_S1( 7, "camera_id");
Mark_1 ();
Skip_S3(22, "height_of_image_device");
Mark_1 ();
Skip_S3(22, "focal_length");
Mark_1 ();
Skip_S3(22, "f_number");
Mark_1 ();
Skip_S3(22, "vertical_angle_of_view");
Mark_1 ();
Skip_S3(16, "camera_position_x_upper");
Mark_1 ();
Skip_S3(16, "camera_position_x_lower");
Mark_1 ();
Skip_S3(16, "camera_position_y_upper");
Mark_1 ();
Skip_S3(16, "camera_position_y_lower");
Mark_1 ();
Skip_S3(16, "camera_position_z_upper");
Mark_1 ();
Skip_S3(16, "camera_position_z_lower");
Mark_1 ();
Skip_S3(22, "camera_direction_x");
Mark_1 ();
Skip_S3(22, "camera_direction_y");
Mark_1 ();
Skip_S3(22, "camera_direction_z");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_x");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_y");
Mark_1 ();
Skip_S3(22, "camera_plane_vertical_z");
Mark_1 ();
Skip_S4(32, "reserved");
BS_End();
}
break;
default:{
//Parsing
Skip_S1(4, "data");
BS_End();
Skip_XX(Element_Size-Element_Offset, "data");
}
}
//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_Test();
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Jpeg::SOF_()
{
//Parsing
vector<Jpeg_samplingfactor> SamplingFactors;
int16u Height, Width;
int8u Resolution, Count;
Get_B1 (Resolution, "P - Sample precision");
Get_B2 (Height, "Y - Number of lines");
Get_B2 (Width, "X - Number of samples per line");
Get_B1 (Count, "Nf - Number of image components in frame");
for (int8u Pos=0; Pos<Count; Pos++)
{
Jpeg_samplingfactor SamplingFactor;
Element_Begin1("Component");
Info_B1(Ci, "Ci - Component identifier"); Element_Info1(Ci);
BS_Begin();
Get_S1 (4, SamplingFactor.Hi, "Hi - Horizontal sampling factor"); Element_Info1(SamplingFactor.Hi);
Get_S1 (4, SamplingFactor.Vi, "Vi - Vertical sampling factor"); Element_Info1(SamplingFactor.Vi);
BS_End();
Skip_B1( "Tqi - Quantization table destination selector");
Element_End0();
//Filling list of HiVi
SamplingFactors.push_back(SamplingFactor);
}
FILLING_BEGIN_PRECISE();
if (Frame_Count==0 && Field_Count==0)
{
Accept("JPEG");
if (Count_Get(StreamKind_Last)==0)
Stream_Prepare(StreamKind_Last);
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Format), "JPEG");
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Codec), "JPEG");
if (StreamKind_Last==Stream_Image)
Fill(Stream_Image, 0, Image_Codec_String, "JPEG", Unlimited, true, true); //To Avoid automatic filling
if (StreamKind_Last==Stream_Video)
Fill(Stream_Video, 0, Video_InternetMediaType, "video/JPEG", Unlimited, true, true);
Fill(StreamKind_Last, 0, "ColorSpace", "YUV");
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_BitDepth), Resolution);
Fill(StreamKind_Last, 0, "Height", Height*(Interlaced?2:1));
Fill(StreamKind_Last, 0, "Width", Width);
//Chroma subsampling
if (SamplingFactors.size()==3 && SamplingFactors[1].Hi==1 && SamplingFactors[2].Hi==1 && SamplingFactors[1].Vi==1 && SamplingFactors[2].Vi==1)
{
string ChromaSubsampling;
switch (SamplingFactors[0].Hi)
{
case 1 :
switch (SamplingFactors[0].Vi)
{
case 1 : ChromaSubsampling="4:4:4"; break;
default: ;
}
break;
case 2 :
switch (SamplingFactors[0].Vi)
{
case 1 : ChromaSubsampling="4:2:2"; break;
case 2 : ChromaSubsampling="4:2:0"; break;
default: ;
}
break;
case 4 :
switch (SamplingFactors[0].Vi)
{
case 1 : ChromaSubsampling="4:1:1"; break;
default: ;
}
break;
default: ;
}
if (!ChromaSubsampling.empty())
Fill(StreamKind_Last, 0, "ChromaSubsampling", ChromaSubsampling);
}
}
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Wvpk::Data_Parse()
{
//Specific
if (FromMKV && !FromMKV_CodecPrivateParsed)
{
//Parsing
Get_L2 (version, "version");
FILLING_BEGIN();
FromMKV_CodecPrivateParsed=true;
FILLING_END();
return;
}
//Counting
Frame_Count++;
//Parsing
Element_Begin("Block Header");
if (!FromMKV)
Get_L2 (version, "version");
if (version/0x100==0x4)
{
while (Element_Offset<Element_Size)
{
int32u total_samples=(int32u)-1, block_index=(int32u)-1, block_samples=0, flags, blocksize=(int32u)-1;
bool initial_block=true, final_block=true;
if (!FromMKV)
{
Skip_L1( "track_no");
Skip_L1( "index_no");
Get_L4 (total_samples, "total_samples");
Get_L4 (block_index, "block_index");
}
if (!FromMKV || (FromMKV && Element_Offset==0))
Get_L4 (block_samples, "block_samples");
if (block_samples!=0) //empty frames have other values empty
{
if (!FromMKV)
{
if (block_index==0) //Only the frame with block_index==0
total_samples_FirstFrame=total_samples; //Note: total_samples is not trustable for a cutted file
if (Frame_Count==1)
block_index_FirstFrame=block_index; //Save the block_index of the first block
block_index_LastFrame=block_index;
block_samples_LastFrame=block_samples;
}
Get_L4 (flags, "flags");
Get_Flags (flags, 0, resolution0, "resolution0");
Get_Flags (flags, 1, resolution1, "resolution1");
Get_Flags (flags, 2, mono, "mono");
Get_Flags (flags, 3, hybrid, "hybrid");
Get_Flags (flags, 4, joint_stereo, "joint stereo");
Get_Flags (flags, 5, cross_channel_decorrelation, "cross-channel decorrelation");
Skip_Flags(flags, 6, "hybrid noise shaping");
Skip_Flags(flags, 7, "floating point data");
Skip_Flags(flags, 8, "extended size integers");
Skip_Flags(flags, 9, "hybrid mode parameters control bitrate");
Skip_Flags(flags, 10, "hybrid noise balanced between channels");
Get_Flags (flags, 11, initial_block, "initial block in sequence");
Get_Flags (flags, 12, final_block, "final block in sequence");
Skip_Flags(flags, 13, "amount of data left-shift after decode");
Skip_Flags(flags, 14, "amount of data left-shift after decode");
Skip_Flags(flags, 15, "amount of data left-shift after decode");
Skip_Flags(flags, 16, "amount of data left-shift after decode");
Skip_Flags(flags, 17, "amount of data left-shift after decode");
Skip_Flags(flags, 18, "maximum magnitude of decoded data");
Skip_Flags(flags, 19, "maximum magnitude of decoded data");
Skip_Flags(flags, 20, "maximum magnitude of decoded data");
Skip_Flags(flags, 21, "maximum magnitude of decoded data");
Skip_Flags(flags, 22, "maximum magnitude of decoded data");
Skip_Flags(flags, 23, "sampling rate");
Skip_Flags(flags, 24, "sampling rate");
Skip_Flags(flags, 25, "sampling rate");
Skip_Flags(flags, 26, "sampling rate"); SamplingRate=(int8u)(((flags>>23)&0xF)); Param_Info(Wvpk_SamplingRate[SamplingRate]);
Skip_Flags(flags, 27, "reserved");
Skip_Flags(flags, 28, "reserved");
Skip_Flags(flags, 29, "use IIR for negative hybrid noise shaping");
Skip_Flags(flags, 30, "false stereo");
Skip_Flags(flags, 31, "reserved");
}
else
{
Skip_L4( "flags (empty)");
//Counting
Frame_Count--; //This is not a real frame
}
Skip_L4( "crc");
Element_End();
int64u End=Element_Size;
if (FromMKV && !(initial_block && final_block))
{
Get_L4 (blocksize, "blocksize");
End=Element_Offset+blocksize;
if (End>=Element_Size)
End=Element_Size;
}
//Sub-block
int8u id;
while (Element_Offset<End)
{
Element_Begin();
int32u word_size;
bool large, odd_size;
BS_Begin();
Get_SB (large, "large");
Get_SB (odd_size, "odd_size");
Get_S1 (6, id, "id"); Element_Info(Wvpk_id(id));
BS_End();
if (large)
{
Get_L3 (word_size, "word_size");
}
else
{
int8u word_size1;
Get_L1 (word_size1, "word_size");
word_size=word_size1;
}
if (word_size==0 && odd_size)
Size=0; //Problem!
else
Size=word_size*2-(odd_size?1:0);
Element_Name(Ztring().From_CC1(id));
switch (id)
{
case 0x07 : id_07(); break;
case 0x0D : id_0D(); break;
case 0x25 : id_25(); break;
default : if (word_size)
Skip_XX(Size, "data");
}
if (odd_size)
Skip_XX(1, "padding");
Element_End();
}
}
}
//---------------------------------------------------------------------------
void File_Jpeg::SIZ()
{
//Parsing
vector<float> SamplingFactors;
vector<int8u> BitDepths;
int8u SamplingFactors_Max=0;
int32u Xsiz, Ysiz;
int16u Count;
Skip_B2( "Rsiz - Capability of the codestream");
Get_B4 (Xsiz, "Xsiz - Image size X");
Get_B4 (Ysiz, "Ysiz - Image size Y");
Skip_B4( "XOsiz - Image offset X");
Skip_B4( "YOsiz - Image offset Y");
Skip_B4( "tileW - Size of tile W");
Skip_B4( "tileH - Size of tile H");
Skip_B4( "XTOsiz - Upper-left tile offset X");
Skip_B4( "YTOsiz - Upper-left tile offset Y");
Get_B2 (Count, "Components and initialize related arrays");
for (int16u Pos=0; Pos<Count; Pos++)
{
Element_Begin1("Initialize related array");
int8u BitDepth = 0, compSubsX = 0, compSubsY = 0;
BS_Begin();
Skip_SB( "Signed");
Get_S1 (7, BitDepth, "BitDepth"); Param_Info1(1+BitDepth); Element_Info1(1+BitDepth);
BS_End();
Get_B1 ( compSubsX, "compSubsX"); Element_Info1(compSubsX);
Get_B1 ( compSubsY, "compSubsY"); Element_Info1(compSubsY);
Element_End0();
//Filling list of HiVi
if (compSubsX)
{
SamplingFactors.push_back(((float)compSubsY)/compSubsX);
if (((float)compSubsY)/compSubsX>SamplingFactors_Max)
SamplingFactors_Max=(int8u)((float)compSubsY)/compSubsX;
}
if (BitDepths.empty() || BitDepth!=BitDepths[0])
BitDepths.push_back(BitDepth);
}
FILLING_BEGIN_PRECISE();
if (Frame_Count==0 && Field_Count==0)
{
Accept("JPEG 2000");
if (Count_Get(StreamKind_Last)==0)
Stream_Prepare(StreamKind_Last);
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Format), "JPEG 2000");
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Codec), "JPEG 2000");
if (StreamKind_Last==Stream_Image)
Fill(Stream_Image, 0, Image_Codec_String, "JPEG 2000", Unlimited, true, true); //To Avoid automatic filling
Fill(StreamKind_Last, 0, StreamKind_Last==Stream_Image?(size_t)Image_Width:(size_t)Video_Width, Xsiz);
Fill(StreamKind_Last, 0, StreamKind_Last==Stream_Image?(size_t)Image_Height:(size_t)Video_Height, Ysiz*(Interlaced?2:1)); //If image is from interlaced content, must multiply height by 2
if (BitDepths.size()==1)
Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_BitDepth), 1+BitDepths[0]);
//Chroma subsampling
if (SamplingFactors_Max)
while (SamplingFactors_Max<4)
{
for (size_t Pos=0; Pos<SamplingFactors.size(); Pos++)
SamplingFactors[Pos]*=2;
SamplingFactors_Max*=2;
}
while (SamplingFactors.size()<3)
SamplingFactors.push_back(0);
Ztring ChromaSubsampling;
for (size_t Pos=0; Pos<SamplingFactors.size(); Pos++)
ChromaSubsampling+=Ztring::ToZtring(SamplingFactors[Pos], 0)+__T(':');
if (!ChromaSubsampling.empty())
{
ChromaSubsampling.resize(ChromaSubsampling.size()-1);
Fill(StreamKind_Last, 0, "ChromaSubsampling", ChromaSubsampling);
}
}
FILLING_END();
}
