/* 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_EXR_YES) //--------------------------------------------------------------------------- //--------------------------------------------------------------------------- #include "MediaInfo/Image/File_Exr.h" #include "MediaInfo/MediaInfo_Config_MediaInfo.h" //--------------------------------------------------------------------------- namespace MediaInfoLib { //*************************************************************************** // Infos //*************************************************************************** //*************************************************************************** // Const //*************************************************************************** enum Elements { Pos_FileInformation, Pos_GenericSection, Pos_IndustrySpecific, Pos_UserDefined, Pos_Padding, Pos_ImageData, }; //*************************************************************************** // Constructor/Destructor //*************************************************************************** //--------------------------------------------------------------------------- File_Exr::File_Exr() :File__Analyze() { //Configuration ParserName=__T("EXR"); } //*************************************************************************** // Streams management //*************************************************************************** //--------------------------------------------------------------------------- void File_Exr::Streams_Accept() { Fill(Stream_General, 0, General_Format, "EXR"); if (!IsSub) { TestContinuousFileNames(); Stream_Prepare((Config->File_Names.size()>1 || Config->File_IsReferenced_Get())?Stream_Video:Stream_Image); if (File_Size!=(int64u)-1) Fill(StreamKind_Last, StreamPos_Last, Fill_Parameter(StreamKind_Last, Generic_StreamSize), File_Size); if (StreamKind_Last==Stream_Video) Fill(Stream_Video, StreamPos_Last, Video_FrameCount, Config->File_Names.size()); } else Stream_Prepare(Stream_Image); //Configuration Buffer_MaximumSize=64*1024*1024; //Some big frames are possible (e.g YUV 4:2:2 10 bits 1080p) } //*************************************************************************** // Buffer //*************************************************************************** //--------------------------------------------------------------------------- bool File_Exr::FileHeader_Begin() { //Element_Size if (Buffer_Size<4) return false; //Must wait for more data if (CC4(Buffer)!=0x762F3101) //"v/1"+1 { Reject(); return false; } //All should be OK... Accept(); return true; } //*************************************************************************** // Buffer - Per element //*************************************************************************** //--------------------------------------------------------------------------- bool File_Exr::Header_Begin() { //Header if (Buffer_Offset+4>Buffer_Size) return false; if (CC4(Buffer+Buffer_Offset)==0x762F3101) //"v/1"+1 return Buffer_Offset+12<=Buffer_Size; //Name name_End=0; while (Buffer_Offset+name_End=Buffer_Size) return false; if (name_End>=31) { Reject(); return false; } if (name_End==0) return true; //Type type_End=0; while (Buffer_Offset+name_End+1+type_End=Buffer_Size) return false; if (type_End>=31) { Reject(); return false; } if (Buffer_Offset+name_End+1+type_End+1+4>=Buffer_Size) return false; return true; } //--------------------------------------------------------------------------- void File_Exr::Header_Parse() { //Header if (CC4(Buffer+Buffer_Offset)==0x762F3101) //"v/1"+1 { //Filling Header_Fill_Code(0, "File header"); Header_Fill_Size(12); return; } //Image data if (name_End==0) { //Filling Header_Fill_Code(0, "Image data"); Header_Fill_Size(ImageData_End-(File_Offset+Buffer_Offset)); return; } int32u size; Get_String(name_End, name, "name"); Element_Offset++; //Null byte Get_String(type_End, type, "type"); Element_Offset++; //Null byte Get_L4 (size, "size"); //Filling Header_Fill_Code(0, Ztring().From_Local(name.c_str())); Header_Fill_Size(name_End+1+type_End+1+4+size); } //--------------------------------------------------------------------------- void File_Exr::Data_Parse() { if (CC4(Buffer+Buffer_Offset)==0x762F3101) //"v/1"+1 //Header Header(); else if (name_End==0) ImageData(); else if (name=="comments" && type=="string") comments(); else if (name=="compression" && type=="compression" && Element_Size==1) compression(); else if (name=="dataWindow" && type=="box2i" && Element_Size==16) dataWindow(); else if (name=="displayWindow" && type=="box2i" && Element_Size==16) displayWindow(); else if (name=="pixelAspectRatio" && type=="float" && Element_Size==4) pixelAspectRatio(); else Skip_XX(Element_Size, "value"); } //--------------------------------------------------------------------------- void File_Exr::Header() { //Parsing int32u Flags; int8u Version; Skip_L4( "Magic number"); Get_L1 (Version, "Version field"); Get_L3 (Flags, "Flags"); //Filling if (Frame_Count==0) { Fill(Stream_General, 0, General_Format_Version, __T("Version ")+Ztring::ToZtring(Version)); Fill(StreamKind_Last, 0, "Format", "EXR"); Fill(StreamKind_Last, 0, "Format_Version", __T("Version ")+Ztring::ToZtring(Version)); Fill(StreamKind_Last, 0, "Format_Profile", (Flags&0x02)?"Tile":"Line"); } Frame_Count++; if (Frame_Count_NotParsedIncluded!=(int64u)-1) Frame_Count_NotParsedIncluded++; ImageData_End=Config->File_Current_Size; } //--------------------------------------------------------------------------- void File_Exr::ImageData() { Skip_XX(Element_Size, "data"); if (!Status[IsFilled]) Fill(); if (Config->ParseSpeed<1.0) Finish(); } //--------------------------------------------------------------------------- void File_Exr::comments () { //Parsing Ztring value; Get_Local(Element_Size, value, "value"); //Filling if (Frame_Count==1) Fill(StreamKind_Last, 0, General_Comment, value); } //--------------------------------------------------------------------------- void File_Exr::compression () { //Parsing int8u value; Get_L1 (value, "value"); //Filling std::string Compression; switch (value) { case 0x00 : Compression="raw"; break; case 0x01 : Compression="RLZ"; break; case 0x02 : Compression="ZIPS"; break; case 0x03 : Compression="ZIP"; break; case 0x04 : Compression="PIZ"; break; case 0x05 : Compression="PXR24"; break; case 0x06 : Compression="B44"; break; case 0x07 : Compression="B44A"; break; default : ; } if (Frame_Count==1) Fill(StreamKind_Last, 0, "Format_Compression", Compression.c_str()); } //--------------------------------------------------------------------------- void File_Exr::dataWindow () { //Parsing int32u xMin, yMin, xMax, yMax; Get_L4 (xMin, "xMin"); Get_L4 (yMin, "yMin"); Get_L4 (xMax, "xMax"); Get_L4 (yMax, "yMax"); } //--------------------------------------------------------------------------- void File_Exr::displayWindow () { //Parsing int32u xMin, yMin, xMax, yMax; Get_L4 (xMin, "xMin"); Get_L4 (yMin, "yMin"); Get_L4 (xMax, "xMax"); Get_L4 (yMax, "yMax"); //Filling if (Frame_Count==1) { Fill(StreamKind_Last, 0, "Width", xMax-xMin+1); Fill(StreamKind_Last, 0, "Height", yMax-yMin+1); } } //--------------------------------------------------------------------------- void File_Exr::pixelAspectRatio () { //Parsing float value; Get_LF4(value, "value"); //Filling if (Frame_Count==1) Fill(StreamKind_Last, 0, "PixelAspectRatio", value?value:1, 3); } } //NameSpace #endif //MEDIAINFO_EXR_YES