//--------------------------------------------------------------------------- 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_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_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_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_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_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_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_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_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_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_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_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(); }
//--------------------------------------------------------------------------- // ALS is detected // Format is unknown void File_Mpeg4_AudioSpecificConfig::ALS () { //Parsing BS_End(); FILLING_BEGIN(); //Filling Accept("AudioSpecificConfig"); Stream_Prepare(Stream_Audio); Fill(Stream_Audio, StreamPos_Last, Audio_Format, "ALS"); Fill(Stream_Audio, StreamPos_Last, Audio_Codec, "ALS"); FILLING_END(); std::string Riff; Riff.append((const char*)Buffer+Buffer_Offset, (size_t)(Element_Size-Element_Offset)); if (Riff.find("RIFF") && Riff.find("WAVEfmt")) { #if defined(MEDIAINFO_RIFF_YES) //Creating the parser File_Riff MI; Open_Buffer_Init(&MI); //Parsing size_t Riff_Pos=Riff.find("RIFF"); Skip_XX(Riff_Pos, "Unknown"); Open_Buffer_Continue(&MI); //Filling Finish(&MI); Merge(MI, StreamKind_Last, 0, StreamPos_Last); //The RIFF header is for PCM Clear(Stream_Audio, StreamPos_Last, Audio_ID); Clear(Stream_Audio, StreamPos_Last, Audio_Codec_String); Clear(Stream_Audio, StreamPos_Last, Audio_Codec_Family); Fill(Stream_Audio, StreamPos_Last, Audio_Format, "ALS", Unlimited, true, true); Fill(Stream_Audio, StreamPos_Last, Audio_Codec, "ALS", Unlimited, true, true); Clear(Stream_Audio, StreamPos_Last, Audio_CodecID); Clear(Stream_Audio, StreamPos_Last, Audio_CodecID_Hint); Clear(Stream_Audio, StreamPos_Last, Audio_CodecID_Url); Clear(Stream_Audio, StreamPos_Last, Audio_BitRate); Clear(Stream_Audio, StreamPos_Last, Audio_BitRate_Mode); Clear(Stream_Audio, StreamPos_Last, Audio_Codec_CC); #else Skip_XX(Element_Size-Element_Offset, "(RIFF chunck)"); #endif } else Skip_XX(Element_Size-Element_Offset, "Unknown"); //No need more Finish("AudioSpecificConfig"); }
//--------------------------------------------------------------------------- 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); }