File_Scte20.cpp

/* Copyright (c) MediaArea.net SARL. All Rights Reserved. * * Use of this source code is governed by a BSD-style license that can * be found in the License.html file in the root of the source tree. */ //--------------------------------------------------------------------------- // Pre-compilation #include "MediaInfo/PreComp.h" #ifdef __BORLANDC__ #pragma hdrstop #endif //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Setup.h" //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #if defined(MEDIAINFO_SCTE20_YES) //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Text/File_Scte20.h" #if defined(MEDIAINFO_EIA608_YES) #include "MediaInfo/Text/File_Eia608.h" #endif #include "MediaInfo/MediaInfo_Config_MediaInfo.h" #if MEDIAINFO_EVENTS #include "MediaInfo/MediaInfo_Events.h" #endif //MEDIAINFO_EVENTS //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- namespace MediaInfoLib { //--------------------------------------------------------------------------- //*************************************************************************** // Infos //*************************************************************************** //--------------------------------------------------------------------------- static const char* Scte20_field_number (int8u field_number) { switch (field_number) { case 0 : return "Forbidden"; case 1 : return "1st display field"; case 2 : return "2nd display field"; case 3 : return "3rd display field"; default : return ""; } } //*************************************************************************** // Constructor/Destructor //*************************************************************************** //--------------------------------------------------------------------------- File_Scte20::File_Scte20() :File__Analyze() { //Configuration ParserName="SCTE 20"; #if MEDIAINFO_EVENTS ParserIDs[0]=MediaInfo_Parser_Scte20; StreamIDs_Width[0]=1; #endif //MEDIAINFO_EVENTS PTS_DTS_Needed=true; //In picture_structure=(int8u)-1; progressive_sequence=false; progressive_frame=false; top_field_first=false; repeat_first_field=false; //Temp Streams.resize(2); //CEA-608 Field 1, CEA-608 Field 2 Streams_Count=0; } //--------------------------------------------------------------------------- File_Scte20::~File_Scte20() { for (size_t Pos=0; Pos<Streams.size(); Pos++) delete Streams[Pos]; //Streams[Pos]=NULL } //*************************************************************************** // Streams management //*************************************************************************** //--------------------------------------------------------------------------- void File_Scte20::Streams_Update() { Clear(Stream_Text); //Per stream for (size_t Pos=0; Pos<Streams.size(); Pos++) if (Streams[Pos] && Streams[Pos]->Parser && Streams[Pos]->Parser->Status[IsFilled] /*&& Streams[Pos]->Parser->Status[IsUpdated]*/ && Streams[Pos]->Parser->Count_Get(Stream_Text)) Streams_Update_PerStream(Pos); } //--------------------------------------------------------------------------- void File_Scte20::Streams_Update_PerStream(size_t Pos) { if (Streams[Pos]==NULL) return; Update(Streams[Pos]->Parser); if (Streams[Pos]->Parser) { for (size_t Pos2=0; Pos2<Streams[Pos]->Parser->Count_Get(Stream_Text); Pos2++) { Stream_Prepare(Stream_Text); Merge(*Streams[Pos]->Parser, Stream_Text, Pos2, StreamPos_Last); Fill(Stream_Text, StreamPos_Last, "MuxingMode", "SCTE 20"); Fill(Stream_Text, StreamPos_Last, Text_ID, Streams[Pos]->Parser->Retrieve(Stream_Text, Pos2, Text_ID), true); } Ztring LawRating=Streams[Pos]->Parser->Retrieve(Stream_General, 0, General_LawRating); if (!LawRating.empty()) Fill(Stream_General, 0, General_LawRating, LawRating, true); Ztring Title=Streams[Pos]->Parser->Retrieve(Stream_General, 0, General_Title); if (!Title.empty() && Retrieve(Stream_General, 0, General_Title).empty()) Fill(Stream_General, 0, General_Title, Title); } } //--------------------------------------------------------------------------- void File_Scte20::Streams_Finish() { Clear(Stream_Text); //Per stream for (size_t Pos=0; Pos<Streams.size(); Pos++) if (Streams[Pos] && Streams[Pos]->Parser && Streams[Pos]->Parser->Status[IsAccepted] /*&& Streams[Pos]->Parser->Status[IsUpdated]*/) { Finish(Streams[Pos]->Parser); Streams_Update_PerStream(Pos); } } //*************************************************************************** // Buffer - Synchro //*************************************************************************** //--------------------------------------------------------------------------- void File_Scte20::Read_Buffer_Init() { //Global information #if defined(MEDIAINFO_EIA608_YES) Config->File_Scte20_IsPresent=true; #endif //defined(MEDIAINFO_EIA608_YES) //Configuration Eia608_DisplayEmptyStream=Config->File_Eia608_DisplayEmptyStream_Get(); } //--------------------------------------------------------------------------- void File_Scte20::Read_Buffer_Unsynched() { //Parsing for (size_t Pos=0; Pos<Streams.size(); Pos++) if (Streams[Pos] && Streams[Pos]->Parser) Streams[Pos]->Parser->Open_Buffer_Unsynch(); } //*************************************************************************** // Buffer - Global //*************************************************************************** //--------------------------------------------------------------------------- void File_Scte20::Read_Buffer_Continue() { //Parsing Element_Begin1("SCTE 20"); int8u cc_count; bool vbi_data_flag; BS_Begin(); Mark_1_NoTrustError(); Mark_0_NoTrustError(); Mark_0_NoTrustError(); Mark_0_NoTrustError(); Mark_0_NoTrustError(); Mark_0_NoTrustError(); Mark_0_NoTrustError(); Get_SB (vbi_data_flag, "vbi_data_flag"); if (vbi_data_flag) { Get_S1 (5, cc_count, "cc_count"); for (int8u Pos=0; Pos<cc_count; Pos++) { Element_Begin1("cc"); int8u cc_data[2]; int8u field_number, cc_data_1, cc_data_2; Skip_S1(2, "cc_priority"); Get_S1 (2, field_number, "field_number"); Param_Info1(Scte20_field_number(field_number)); Skip_S1(5, "line_offset"); Get_S1 (8, cc_data_1, "cc_data_1"); cc_data[0]=ReverseBits(cc_data_1); Param_Info1(Ztring::ToZtring(cc_data[0], 16)); Get_S1 (8, cc_data_2, "cc_data_2"); cc_data[1]=ReverseBits(cc_data_2); Param_Info1(Ztring::ToZtring(cc_data[1], 16)); Mark_1_NoTrustError(); if (field_number!=0 && picture_structure!=(int8u)-1 && picture_structure!=0) { Element_Begin1("cc_data"); //Finding the corresponding cc_type (CEA-608 1st field or 2nd field) int8u cc_type; if (progressive_sequence) cc_type=0; else if (picture_structure!=3) cc_type=picture_structure-1; else if (field_number==2) cc_type=top_field_first?1:0; else //if (field_number==1 || field_number==3) cc_type=top_field_first?0:1; //Parsing #if MEDIAINFO_DEMUX Element_Code=cc_type; #endif //MEDIAINFO_DEMUX if (Streams[cc_type]==NULL) Streams[cc_type]=new stream; if (Streams[cc_type]->Parser==NULL) { #if defined(MEDIAINFO_EIA608_YES) Streams[cc_type]->Parser=new File_Eia608(); ((File_Eia608*)Streams[cc_type]->Parser)->cc_type=cc_type; #else //defined(MEDIAINFO_EIA608_YES) Streams[cc_type]->Parser=new File__Analyze(); #endif //defined(MEDIAINFO_EIA608_YES) Open_Buffer_Init(Streams[cc_type]->Parser); } Demux(cc_data, 2, ContentType_MainStream); if (!Streams[cc_type]->Parser->Status[IsFinished]) { //Parsing if (Streams[cc_type]->Parser->PTS_DTS_Needed) { Streams[cc_type]->Parser->FrameInfo.PCR=FrameInfo.PCR; Streams[cc_type]->Parser->FrameInfo.PTS=FrameInfo.PTS; Streams[cc_type]->Parser->FrameInfo.DTS=FrameInfo.DTS; } Open_Buffer_Continue(Streams[cc_type]->Parser, cc_data, 2); Element_Show(); //Filled if (!Status[IsAccepted]) Accept("SCTE 20"); } else Skip_XX(2, "Data"); Element_End0(); } Element_End0(); } } Skip_S1(4, "non_real_time_video_count"); BS_End(); if (Element_Size-Element_Offset) Skip_XX(Element_Size-Element_Offset, "non_real_time_video + reserved"); Element_End0(); Element_Show(); FILLING_BEGIN(); //Filled if (!Status[IsAccepted] && Eia608_DisplayEmptyStream) { Accept("SCTE 20"); //TODO: merge duplicated content for (int8u cc_type=0; cc_type<2; cc_type++) { //Parsing #if MEDIAINFO_DEMUX Element_Code=cc_type; #endif //MEDIAINFO_DEMUX if (Streams[cc_type]==NULL) Streams[cc_type]=new stream; if (Streams[cc_type]->Parser==NULL) { #if defined(MEDIAINFO_EIA608_YES) Streams[cc_type]->Parser=new File_Eia608(); ((File_Eia608*)Streams[cc_type]->Parser)->cc_type=cc_type; #else //defined(MEDIAINFO_EIA608_YES) Streams[cc_type]->Parser=new File__Analyze(); #endif //defined(MEDIAINFO_EIA608_YES) Open_Buffer_Init(Streams[cc_type]->Parser); Streams[cc_type]->Parser->Accept(); } } } FILLING_END(); } //*************************************************************************** // C++ //*************************************************************************** } //NameSpace #endif //MEDIAINFO_SCTE20_YES

↑ V730 Not all members of a class are initialized inside the constructor. Consider inspecting: Eia608_DisplayEmptyStream.

↑ V793 It is odd that the result of the 'Element_Size - Element_Offset' statement is a part of the condition. Perhaps, this statement should have been compared with something else.

↑ V807 Decreased performance. Consider creating a pointer to avoid using the 'Streams[Pos]->Parser' expression repeatedly.

↑ V807 Decreased performance. Consider creating a reference to avoid using the 'Streams[cc_type]->Parser->FrameInfo' expression repeatedly.