//---------------------------------------------------------------------------
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_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_Aac::ErrorResilientCelpSpecificConfig ()
{
Element_Begin1("ErrorResilientCelpSpecificConfig");
bool isBaseLayer;
Get_SB(isBaseLayer, "isBaseLayer");
if (isBaseLayer)
{
ER_SC_CelpHeader ();
}
else
{
bool isBWSLayer;
Get_SB(isBWSLayer, "isBWSLayer");
if (isBWSLayer)
{
//~ CelpBWSenhHeader ()
//~ {
Skip_S1(2, "BWS_configuration");
//~ }
}
else
{
Skip_S1(2, "CELP-BRS-id");
}
}
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::HILNconfig()
{
Element_Begin1("HILNconfig");
Skip_SB( "HILNquantMode");
Skip_S1(8, "HILNmaxNumLine");
Skip_S1(4, "HILNsampleRateCode");
Skip_S2(12, "HILNframeLength");
Skip_S1(2, "HILNcontMode");
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::SLSSpecificConfig()
{
Element_Begin1("SLSSpecificConfig");
Skip_S1(3,"pcmWordLength");
Skip_SB("aac_core_present");
Skip_SB("lle_main_stream");
Skip_SB("reserved_bit");
Skip_S1(3,"frameLength");
if (!channelConfiguration)
program_config_element();
Element_End0();
}
//---------------------------------------------------------------------------
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();
}
//---------------------------------------------------------------------------
// 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_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_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_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_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_Latm::StreamMuxConfig()
{
Element_Begin("StreamMuxConfig");
bool audioMuxVersion;
Get_SB (audioMuxVersion, "audioMuxVersion");
if (audioMuxVersion)
Get_SB (audioMuxVersionA, "audioMuxVersionA");
else
audioMuxVersionA=false;
if (!audioMuxVersionA)
{
if (audioMuxVersion==1)
{
//taraBufferFullness=LatmGetValue();
}
Skip_SB( "allStreamsSameTimeFraming");
Skip_S1(6, "numSubFrames");
Skip_S1(4, "numProgram");
/* for (int8u prog=0; prog<=numProgram; prog++)
{
int8u numLayer;
Get_S1(3, "numLayer");
for (lay = 0; lay <= numLayer; lay++) {
progSIndx[streamCnt] = prog; laySIndx[streamCnt] = lay;
streamID [ prog][ lay] = streamCnt++;
if (prog == 0 && lay == 0) {
useSameConfig = 0;
} else {
useSameConfig; 1 uimsbf
}
if (! useSameConfig) {
if ( audioMuxVersion == 0 ) {
AudioSpecificConfig();
}
else {
ascLen = LatmGetValue();
ascLen -= AudioSpecificConfig(); Note 1
fillBits; ascLen bslbf
}
}
*/
}
Element_End();
}
//---------------------------------------------------------------------------
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_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_Aac::HILNenexConfig()
{
Element_Begin1("HILNenexConfig");
bool HILNenhaLayer;
Get_SB(HILNenhaLayer, "HILNenhaLayer");
if (HILNenhaLayer)
Skip_S1(2, "HILNenhaQuantMode");
Element_End0();
}
//---------------------------------------------------------------------------
// 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_Aac::ER_SC_CelpHeader ()
{
Element_Begin1("ER_SC_CelpHeader");
bool ExcitationMode;
Get_SB(ExcitationMode, "ExcitationMode");
Skip_SB( "SampleRateMode");
Skip_SB( "FineRateControl");
Skip_SB( "SilenceCompression");
if (ExcitationMode == 1/*RPE*/) {
Skip_S1(3, "RPE_Configuration");
}
if (ExcitationMode == 0/*MPE*/) {
Skip_S1(5, "MPE_Configuration");
Skip_S1(2, "NumEnhLayers");
Skip_SB( "BandwidthScalabilityMode");
}
Element_End0();
}
//---------------------------------------------------------------------------
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::HVXCconfig()
{
Element_Begin1("HVXCconfig");
Skip_SB( "HVXCvarMode");
Skip_S1(2, "HVXCrateMode");
Skip_SB( "extensionFlag");
//~ if (extensionFlag) {
/*< to be defined in MPEG-4 Version 2 >*/
//~ }
Element_End0();
}
//---------------------------------------------------------------------------
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::ErHVXCconfig()
{
Element_Begin1("ErHVXCconfig");
bool extensionFlag;
Skip_SB( "HVXCvarMode");
Skip_S1(2, "HVXCrateMode");
Get_SB (extensionFlag, "extensionFlag");
if (extensionFlag) {
Skip_SB( "var_ScalableFlag");
}
Element_End0();
}
//---------------------------------------------------------------------------
void File_Aac::TTSSpecificConfig()
{
Element_Begin1("TTSSpecificConfig");
//~ TTS_Sequence()
//~ {
Skip_S1(5, "TTS_Sequence_ID");
Skip_BS(18, "Language_Code");
Skip_SB( "Gender_Enable");
Skip_SB( "Age_Enable");
Skip_SB( "Speech_Rate_Enable");
Skip_SB( "Prosody_Enable");
Skip_SB( "Video_Enable");
Skip_SB( "Lip_Shape_Enable");
Skip_SB( "Trick_Mode_Enable");
//~ }
Element_End0();
}
//---------------------------------------------------------------------------
void File_Cdp::time_code_section()
{
Element_Begin1("time_code_section");
Skip_B1( "time_code_section_id");
BS_Begin();
Mark_1();
Mark_1();
Skip_S1(2, "tc_10hrs");
Skip_S1(4, "tc_1hrs");
Mark_1();
Skip_S1(3, "tc_10min");
Skip_S1(4, "tc_1min");
Skip_SB( "tc_field_flag");
Skip_S1(3, "tc_10sec");
Skip_S1(4, "tc_1sec");
Skip_SB( "drop_frame_flag");
Mark_0();
Skip_S1(2, "tc_10fr");
Skip_S1(4, "tc_1fr");
BS_End();
Element_End0();
}
//---------------------------------------------------------------------------
// AAC in ES, SBR part, 2 bytes?
// Format is unknown
void File_Mpeg4_AudioSpecificConfig::PS ()
{
//Parsing
Element_Begin("PS");
bool PS;
Skip_S1(11, "Unknown");
Get_SB ( PS, "PS present");
Element_End();
FILLING_BEGIN();
if (PS)
{
Fill(Stream_Audio, StreamPos_Last, Audio_Channel_s_, 2, 10, true);
Fill(Stream_Audio, StreamPos_Last, Audio_Format_Settings, "PS");
Fill(Stream_Audio, StreamPos_Last, Audio_Format_Settings_PS, "Yes", Unlimited, true, true);
Ztring Codec=Retrieve(Stream_Audio, StreamPos_Last, Audio_Codec);
Fill(Stream_Audio, StreamPos_Last, Audio_Codec, Codec+_T("/PS"), true);
Fill(Stream_Audio, StreamPos_Last, Audio_ChannelPositions, "", Unlimited, true, true);
}
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_Mpeg4_Descriptors::Descriptor_06()
{
//Parsing
int8u predefined, timeStampLength;
bool durationFlag, useTimeStampsFlag;
Get_B1 (predefined, "predefined"); Param_Info(Mpeg4_Descriptors_Predefined(predefined));
switch (predefined)
{
case 0x00 :
{
BS_Begin();
Skip_SB( "useAccessUnitStartFlag");
Skip_SB( "useAccessUnitEndFlag");
Skip_SB( "useRandomAccessPointFlag");
Skip_SB( "hasRandomAccessUnitsOnlyFlag");
Skip_SB( "usePaddingFlag");
Get_SB (useTimeStampsFlag, "useTimeStampsFlag");
Skip_SB( "useIdleFlag");
Get_SB (durationFlag, "durationFlag");
BS_End();
Skip_B4( "timeStampResolution");
Skip_B4( "OCRResolution");
Get_B1 (timeStampLength, "timeStampLength");
Skip_B1( "OCRLength");
Skip_B1( "AU_Length");
Skip_B1( "instantBitrateLength");
BS_Begin();
Skip_S1(4, "degradationPriorityLength");
Skip_S1(5, "AU_seqNumLength");
Skip_S1(5, "packetSeqNumLength");
Skip_S1(2, "reserved");
BS_End();
}
break;
case 0x01 :
useTimeStampsFlag=false;
durationFlag=false;
timeStampLength=32;
break;
case 0x02 :
useTimeStampsFlag=true;
durationFlag=false;
timeStampLength=32;
break;
default :
useTimeStampsFlag=false;
durationFlag=false;
timeStampLength=32;
}
if (durationFlag)
{
Skip_B4( "timeScale");
Skip_B2( "accessUnitDuration");
Skip_B2( "compositionUnitDuration");
}
if (!useTimeStampsFlag)
{
BS_Begin();
Skip_S8(timeStampLength, "startDecodingTimeStamp");
Skip_S8(timeStampLength, "startCompositionTimeStamp");
BS_End();
}
}
//---------------------------------------------------------------------------
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();
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_composition_segment=true;
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_width=region_width;
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_height=region_height;
subtitle_streams[subtitle_stream_id].pages[page_id].regions[region_id].region_depth=region_depth;
FILLING_END();
}
//---------------------------------------------------------------------------
void File_Aac::ALSSpecificConfig()
{
//Not in spec, but something weird in the example I have
int32u Junk;
while (Data_BS_Remain())
{
Peek_S4(32, Junk);
if (Junk!=0x414C5300)
{
Skip_SB( "Unknown");
}
else
break;
}
if (Data_BS_Remain()==0)
return; //There is a problem
Element_Begin1("ALSSpecificConfig");
bool chan_config,chan_sort,crc_enabled,aux_data_enabled;
int32u samp_freq, samples;
int16u channels,frame_length;
int8u ra_flag,random_access, file_type;
Skip_BS(32,"als_id");
Get_BS (32, samp_freq, "samp_freq");
Get_BS (32, samples, "samples");
Get_S2 (16, channels, "channels"); Param_Info2(channels+1, " channel(s)");
Get_S1 (3, file_type, "file_type");
Skip_S1(3,"resolution");
Skip_SB("floating");
Skip_SB("msb_first");
Get_S2 (16,frame_length,"frame_length");
Get_S1 (8,random_access,"random_access");
Get_S1 (2,ra_flag,"ra_flag");
Skip_SB("adapt_order");
Skip_S1(2,"coef_table");
Skip_SB("long_term_prediction");
Skip_S2(10,"max_order");
Skip_S1(2,"block_switching");
Skip_SB("bgmc_mode");
Skip_SB("sb_part");
Skip_SB("joint_stereo");
Skip_SB("mc_coding");
Get_SB (chan_config,"chan_config");
Get_SB (chan_sort,"chan_sort");
Get_SB (crc_enabled,"crc_enabled");
Skip_SB("RLSLMS");
Skip_BS(5,"(reserved)");
Get_SB (aux_data_enabled,"aux_data_enabled");
if (chan_config)
Skip_S2(16,"chan_config_info");
if (chan_sort)
{
int16u ChBits=(int16u)ceil(log((double)(channels+1))/log((double)2));
for (int8u c=0; c<=channels; c++)
Skip_BS(ChBits, "chan_pos[c]");
}
if(Data_BS_Remain()%8)
Skip_S1(Data_BS_Remain()%8, "byte_align");
BS_End();
int32u header_size,trailer_size;
Get_B4(header_size, "header_size");
Get_B4(trailer_size, "trailer_size");
#ifdef MEDIAINFO_RIFF_YES
if (file_type==1) //WAVE file
{
Element_Begin1("orig_header");
File_Riff MI;
Open_Buffer_Init(&MI);
Open_Buffer_Continue(&MI, Buffer+Buffer_Offset+(size_t)Element_Offset, header_size);
Element_Offset+=header_size;
File__Analyze::Finish(&MI); //No merge of data, only for trace information, because this is the data about the decoded stream, not the encoded stream
Element_End0();
}
else
#endif //MEDIAINFO_RIFF_YES
Skip_XX(header_size, "orig_header[]");
Skip_XX(trailer_size, "orig_trailer[]");
if (crc_enabled)
Skip_B4( "crc");
if ((ra_flag == 2) && (random_access > 0))
for (int32u f=0; f<((samples-1)/(frame_length+1))+1; f++)
Skip_B4( "ra_unit_size[f]");
if (aux_data_enabled)
{
int32u aux_size;
Get_B4(aux_size, "aux_size");
Skip_XX(aux_size, "aux_data[]");
}
Element_End0();
BS_Begin(); //To be in sync with other objectTypes
FILLING_BEGIN();
//Filling
File__Analyze::Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, StreamPos_Last, Audio_Channel_s_, channels+1);
//Forcing default confignuration (something weird in the example I have)
channelConfiguration=0;
sampling_frequency_index=(int8u)-1;
sampling_frequency=samp_freq;
FILLING_END();
}
