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/* 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_TTML_YES)
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Text/File_Ttml.h"
#if MEDIAINFO_EVENTS
#include "MediaInfo/MediaInfo_Config_MediaInfo.h"
#include "MediaInfo/MediaInfo_Events_Internal.h"
#endif //MEDIAINFO_EVENTS
#include "tinyxml2.h"
#include <cstring>
using namespace tinyxml2;
using namespace std;
//---------------------------------------------------------------------------
namespace MediaInfoLib
{
//***************************************************************************
// Utils
//***************************************************************************
int64u Ttml_str2timecode(const char* Value)
{
size_t Length=strlen(Value);
if (Length>=8
&& Value[0]>='0' && Value[0]<='9'
&& Value[1]>='0' && Value[1]<='9'
&& Value[2]==':'
&& Value[3]>='0' && Value[3]<='9'
&& Value[4]>='0' && Value[4]<='9'
&& Value[5]==':'
&& Value[6]>='0' && Value[6]<='9'
&& Value[7]>='0' && Value[7]<='9')
{
int64u ToReturn=(int64u)(Value[0]-'0')*10*60*60*1000000000
+(int64u)(Value[1]-'0') *60*60*1000000000
+(int64u)(Value[3]-'0') *10*60*1000000000
+(int64u)(Value[4]-'0') *60*1000000000
+(int64u)(Value[6]-'0') *10*1000000000
+(int64u)(Value[7]-'0') *1000000000;
if (Length>=9 && (Value[8]=='.' || Value[8]==','))
{
if (Length>9+9)
Length=9+9; //Nanoseconds max
const char* Value_End=Value+Length;
Value+=9;
int64u Multiplier=100000000;
while (Value<Value_End)
{
ToReturn+=(int64u)(*Value-'0')*Multiplier;
Multiplier/=10;
Value++;
}
}
return ToReturn;
}
else if (Length>=2
&& Value[Length-1]=='s')
{
return (int64u)(atof(Value)*1000000000);
}
else
return (int64u)-1;
}
//***************************************************************************
// Constructor/Destructor
//***************************************************************************
//---------------------------------------------------------------------------
File_Ttml::File_Ttml()
:File__Analyze()
{
//Configuration
#if MEDIAINFO_EVENTS
ParserIDs[0]=MediaInfo_Parser_Ttml;
StreamIDs_Width[0]=0;
#endif //MEDIAINFO_EVENTS
//Init
Frame_Count=0;
}
//***************************************************************************
// Streams management
//***************************************************************************
//---------------------------------------------------------------------------
void File_Ttml::Streams_Accept()
{
Fill(Stream_General, 0, General_Format, "TTML");
Stream_Prepare(Stream_Text);
Fill(Stream_Text, 0, "Format", "TTML");
}
//***************************************************************************
// Buffer - Global
//***************************************************************************
//---------------------------------------------------------------------------
void File_Ttml::Read_Buffer_Unsynched()
{
GoTo(0);
}
//---------------------------------------------------------------------------
#if MEDIAINFO_SEEK
size_t File_Ttml::Read_Buffer_Seek (size_t Method, int64u Value, int64u ID)
{
Open_Buffer_Unsynch();
return 1;
}
#endif //MEDIAINFO_SEEK
//***************************************************************************
// Buffer - File header
//***************************************************************************
//---------------------------------------------------------------------------
bool File_Ttml::FileHeader_Begin()
{
//All should be OK...
return true;
}
//---------------------------------------------------------------------------
void File_Ttml::Read_Buffer_Continue()
{
tinyxml2::XMLDocument document;
if (!FileHeader_Begin_XML(document))
return;
XMLElement* Root=document.FirstChildElement("tt");
if (!Root)
{
Reject();
return;
}
if (!Status[IsAccepted])
{
Accept();
#if MEDIAINFO_EVENTS
MuxingMode=(int8u)-1;
if (StreamIDs_Size>=2 && ParserIDs[StreamIDs_Size-2]==MediaInfo_Parser_Mpeg4)
MuxingMode=11; //MPEG-4
if (StreamIDs_Size>2 && ParserIDs[StreamIDs_Size-2]==MediaInfo_Parser_Mxf) //Only if referenced MXF
MuxingMode=13; //MXF
#endif //MEDIAINFO_EVENTS
#if MEDIAINFO_DEMUX && MEDIAINFO_NEXTPACKET
if (Config->NextPacket_Get() && Config->Event_CallBackFunction_IsSet())
return; // Waiting for NextPacket
#endif //MEDIAINFO_DEMUX && MEDIAINFO_NEXTPACKET
}
tinyxml2::XMLElement* div=NULL;
#if MEDIAINFO_EVENTS
tinyxml2::XMLElement* p=NULL;
#endif //MEDIAINFO_EVENTS
for (XMLElement* tt_element=Root->FirstChildElement(); tt_element; tt_element=tt_element->NextSiblingElement())
{
//body
if (!strcmp(tt_element->Value(), "body"))
{
for (XMLElement* body_element=tt_element->FirstChildElement(); body_element; body_element=body_element->NextSiblingElement())
{
//div
if (!strcmp(body_element->Value(), "div"))
{
for (XMLElement* div_element=body_element->FirstChildElement(); div_element; div_element=div_element->NextSiblingElement())
{
//p
if (!strcmp(div_element->Value(), "p"))
{
div=body_element;
#if MEDIAINFO_EVENTS
p=div_element;
#endif //MEDIAINFO_EVENTS
break;
}
}
if (div)
break;
}
}
if (div)
break;
}
}
#if MEDIAINFO_DEMUX
Demux(Buffer, Buffer_Size, ContentType_MainStream);
#endif //MEDIAINFO_DEMUX
// Output
#if MEDIAINFO_EVENTS
for (; p; p=p->NextSiblingElement())
{
//p
if (!strcmp(p->Value(), "p"))
{
const char* Attribute;
int64u DTS_Begin=(int64u)-1;
Attribute=p->Attribute("begin");
if (Attribute)
DTS_Begin=Ttml_str2timecode(Attribute);
int64u DTS_End=(int64u)-1;
Attribute=p->Attribute("end");
if (Attribute)
DTS_End=Ttml_str2timecode(Attribute);
string ContentUtf8;
XMLPrinter printer;
p->Accept(&printer);
ContentUtf8+=printer.CStr();
while (!ContentUtf8.empty() && (ContentUtf8[ContentUtf8.size()-1]=='\r' || ContentUtf8[ContentUtf8.size()-1]=='\n'))
ContentUtf8.resize(ContentUtf8.size()-1);
Ztring Content; if (p->FirstChild()) Content.From_UTF8(p->FirstChild()->Value());
Frame_Count++;
}
}
#endif //MEDIAINFO_EVENTS
Buffer_Offset=Buffer_Size;
}
} //NameSpace
#endif //MEDIAINFO_TTML_YES
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