size_t File_Ttml::Read_Buffer_Seek (size_t Method, int64u Value, int64u ID) { if (!div) return (size_t)-1; p=div->FirstChildElement(); Open_Buffer_Unsynch(); return 1; }
size_t File_SubRip::Read_Buffer_Seek (size_t Method, int64u Value, int64u ID) { GoTo(0); Open_Buffer_Unsynch(); return 1; }
size_t File_Ttml::Read_Buffer_Seek (size_t Method, int64u Value, int64u ID) { Open_Buffer_Unsynch(); return 1; }
//--------------------------------------------------------------------------- void File_H263::Data_Parse() { //Parsing int8u Temporal_Reference_Temp; BS_Begin(); Skip_S3(22, "Picture Start Code (PSC)"); Get_S1 ( 8, Temporal_Reference_Temp, "Temporal Reference (TR)"); if (!Temporal_Reference_IsValid) { Temporal_Reference=Temporal_Reference_Temp; Temporal_Reference_IsValid=true; } else Temporal_Reference++; if (Temporal_Reference_Temp!=Temporal_Reference) { Trusted_IsNot("Out of Order"); Open_Buffer_Unsynch(); return; } Element_Begin1("Type Information (PTYPE)"); Mark_1(); Mark_0(); Skip_SB( "Split screen indicator"); Skip_SB( "Document camera indicator"); Skip_SB( "Full Picture Freeze Release"); Get_S1 (3, Source_Format, "Source Format"); Param_Info1(H263_Source_Format[Source_Format]); if (Source_Format!=7) { Skip_SB( "Picture Coding Type"); Skip_SB( "Unrestricted Motion Vector mode"); Skip_SB( "Syntax-based Arithmetic Coding mode"); Skip_SB( "Advanced Prediction mode"); Skip_SB( "PB-frames mode"); } Element_End0(); if (Source_Format==7) // Extended PTYPE { Element_Begin1("Plus PTYPE (PLUSPTYPE)"); int8u Ufep, PixelAspectRatioCode=0, Width=0, Height=0; Get_S1 ( 3, Ufep, "Update Full Extended PTYPE (UFEP)"); switch (Ufep) { case 0 : break; case 1 : Element_Begin1("Optional Part of PLUSPTYPE (OPPTYPE)"); Get_S1 (3, Source_Format, "Source Format"); Param_Info1(H263_Source_Format[Source_Format]); Skip_SB( "Custom PCF"); Skip_SB( "Unrestricted Motion Vector (UMV) mode"); Skip_SB( "Syntax-based Arithmetic Coding (SAC) mode"); Skip_SB( "Advanced Prediction (AP) mode"); Skip_SB( "Advanced INTRA Coding (AIC) mode"); Skip_SB( "Deblocking Filter (DF) mode"); Skip_SB( "Slice Structured (SS) mode"); Skip_SB( "Reference Picture Selection (RPS) mode"); Skip_SB( "Independent Segment Decoding (ISD) mode"); Skip_SB( "Alternative INTER VLC (AIV) mode"); Skip_SB( "Modified Quantization (MQ) mode"); Mark_1(); Mark_0(); Mark_0(); Mark_0(); Element_End0(); break; default : BS_End(); Skip_XX(Element_Size-Element_Offset, "Unknown"); return; //TODO: frame count... } Element_Begin1("mandatory part of PLUSPTYPE when PLUSPTYPE present (MPPTYPE)"); Skip_S1(3, "Picture Type Code"); Skip_SB( "Reference Picture Resampling (RPR) mode"); Skip_SB( "Reduced-Resolution Update (RRU) mode"); Skip_SB( "Rounding Type (RTYPE)"); Mark_0(); Mark_0(); Mark_1(); Element_End0(); Element_End0(); Skip_SB( "CPM"); Skip_S1(2, "PSBI"); Element_Begin1("Custom Picture Format (CPFMT)"); Get_S1 (4, PixelAspectRatioCode, "Pixel Aspect Ratio Code"); Get_S1 (4, Width, "Picture Width Indication"); Width++; Width<<=2; Param_Info2(Width, " pixels"); Mark_1(); Get_S1 (4, Height, "Picture Height Indication"); Height<<=2; Param_Info2(Height, " pixels"); Element_End0(); if (PixelAspectRatioCode==0xF) { Element_Begin1("Extended Pixel Aspect Ratio (EPAR)"); Get_S1 (8, PAR_W, "PAR Width"); Get_S1 (8, PAR_H, "PAR Height"); Element_End0(); } else { PAR_W=H263_PAR_W[PixelAspectRatioCode]; PAR_H=H263_PAR_H[PixelAspectRatioCode]; } } BS_End(); Skip_XX(Element_Size-Element_Offset, "Other data"); FILLING_BEGIN(); Element_Info1(Frame_Count); Frame_Count++; //Filling if (!Status[IsFilled] && Frame_Count>=Frame_Count_Valid) { Accept("H.263"); Finish("H.263"); } FILLING_END(); }