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();
}
