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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_TIMECODE_YES)
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "MediaInfo/Multiple/File_Gxf_TimeCode.h"
#include "MediaInfo/MediaInfo_Config_MediaInfo.h"
//---------------------------------------------------------------------------
namespace MediaInfoLib
{
//***************************************************************************
// Constants
//***************************************************************************
//---------------------------------------------------------------------------
#if defined(MEDIAINFO_GXF_YES)
extern double Gxf_FrameRate(int32u Content);
#else //defined(MEDIAINFO_GXF_YES)
double Gxf_FrameRate(int32u Content) //TODO: remove any relationship with GXF
{
switch (Content)
{
case 1 : return 60.000;
case 2 : return 59.940;
case 3 : return 50.000;
case 4 : return 30.000;
case 5 : return 29.970;
case 6 : return 25.000;
case 7 : return 24.000;
case 8 : return 23.976;
default: return 0.000;
}
}
#endif //defined(MEDIAINFO_GXF_YES)
//---------------------------------------------------------------------------
const char* Atc_PayloadType (int8u PayloadType)
{
switch (PayloadType)
{
case 0 : return "ATC_LTC";
case 1 : return "ATC_VITC1";
case 2 : return "ATC_VITC2";
default : return "";
}
}
//***************************************************************************
// Constructor/Destructor
//***************************************************************************
//---------------------------------------------------------------------------
File_Gxf_TimeCode::File_Gxf_TimeCode()
:File__Analyze()
{
//Configuration
ParserName=__T("Time code");
#if MEDIAINFO_EVENTS
ParserIDs[0]=MediaInfo_Parser_Gxf;
StreamIDs_Width[0]=0;
#endif //MEDIAINFO_EVENTS
#if MEDIAINFO_DEMUX
Demux_Level=2; //Container
#endif //MEDIAINFO_DEMUX
//In
FrameRate_Code=(int32u)-1;
FieldsPerFrame_Code=(int32u)-1;
IsAtc=false;
//Out
TimeCode_FirstFrame_ms=(int64u)-1;
}
//---------------------------------------------------------------------------
File_Gxf_TimeCode::~File_Gxf_TimeCode()
{
}
//***************************************************************************
// Streams management
//***************************************************************************
//---------------------------------------------------------------------------
void File_Gxf_TimeCode::Streams_Fill()
{
Stream_Prepare(Stream_Video);
Fill(Stream_Video, 0, Video_Delay, TimeCode_FirstFrame_ms);
if (TimeCode_FirstFrame.size()==11)
Fill(Stream_Video, StreamPos_Last, Video_Delay_DropFrame, TimeCode_FirstFrame[8]==';'?"Yes":"No");
Fill(Stream_Video, 0, Video_Delay_Source, "Container");
Fill(Stream_Video, 0, Video_TimeCode_FirstFrame, TimeCode_FirstFrame.c_str());
//Fill(Stream_Video, 0, Video_TimeCode_Source, "Time code track");
Stream_Prepare(Stream_Audio);
Fill(Stream_Audio, 0, Audio_Delay, TimeCode_FirstFrame_ms);
if (TimeCode_FirstFrame.size()==11)
Fill(Stream_Audio, StreamPos_Last, Audio_Delay_DropFrame, TimeCode_FirstFrame[8]==';'?"Yes":"No");
Fill(Stream_Audio, 0, Audio_Delay_Source, "Container");
Fill(Stream_Audio, 0, Video_TimeCode_FirstFrame, TimeCode_FirstFrame.c_str());
//Fill(Stream_Audio, 0, Video_TimeCode_Source, "Time code track");
}
//***************************************************************************
// Buffer - Global
//***************************************************************************
//---------------------------------------------------------------------------
void File_Gxf_TimeCode::Read_Buffer_Continue()
{
int8u Validity[504];
if (!IsAtc)
{
if (Element_Size!=4096)
{
Skip_XX(Element_Size, "Data");
return;
}
//Reading bitmap first (validity of first byte is at the end)
Element_Offset=504*8;
Element_Begin1("Validity");
BS_Begin_LE(); //is Little Endian
for (size_t Pos=0; Pos<504; Pos++)
{
bool Validity_Bit;
Get_TB (Validity_Bit, "Bit");
Validity[Pos]=Validity_Bit?1:0;
}
BS_End_LE();
Skip_B1( "Pad");
Element_End0();
}
//Parsing
Element_Offset=0;
for (size_t Pos=0; Pos<(IsAtc?(size_t)1:(size_t)504); Pos++)
{
if (IsAtc || Validity[Pos])
{
Element_Begin1("TimeCode");
int8u Frames_Units, Frames_Tens, Seconds_Units, Seconds_Tens, Minutes_Units, Minutes_Tens, Hours_Units, Hours_Tens;
bool DropFrame;
int8u DBB1=0, DBB2=0;
if (IsAtc)
{
bool Temp;
BS_Begin();
Get_S1 (4, Frames_Units, "Frames (Units)");
Get_SB ( Temp, "DBB1_0"); if (Temp) DBB1|=(1<<0);
Skip_S1(3, "Zero");
Skip_S1(4, "BG1");
Get_SB ( Temp, "DBB1_1"); if (Temp) DBB1|=(1<<1);
Skip_S1(3, "Zero");
Skip_SB( "CF - Color fame");
Get_SB ( DropFrame, "DP - Drop frame");
Get_S1 (2, Frames_Tens, "Frames (Tens)");
Get_SB ( Temp, "DBB1_2"); if (Temp) DBB1|=(1<<2);
Skip_S1(3, "Zero");
Skip_S1(4, "BG2");
Get_SB ( Temp, "DBB1_3"); if (Temp) DBB1|=(1<<3);
Skip_S1(3, "Zero");
Get_S1 (4, Seconds_Units, "Seconds (Units)");
Get_SB ( Temp, "DBB1_4"); if (Temp) DBB1|=(1<<4);
Skip_S1(3, "Zero");
Skip_S1(4, "BG3");
Get_SB ( Temp, "DBB1_5"); if (Temp) DBB1|=(1<<5);
Skip_S1(3, "Zero");
Skip_SB( "FM - Frame Mark");
Get_S1 (3, Seconds_Tens, "Seconds (Tens)");
Get_SB ( Temp, "DBB1_6"); if (Temp) DBB1|=(1<<6);
Skip_S1(3, "Zero");
Skip_S1(4, "BG4");
Get_SB ( Temp, "DBB1_7"); if (Temp) DBB1|=(1<<7);
Skip_S1(3, "Zero");
Get_S1 (4, Minutes_Units, "Minutes (Units)");
Get_SB ( Temp, "DBB2_0"); if (Temp) DBB2|=(1<<0);
Skip_S1(3, "Zero");
Skip_S1(4, "BG5");
Get_SB ( Temp, "DBB2_1"); if (Temp) DBB2|=(1<<1);
Skip_S1(3, "Zero");
Skip_SB( "BGF0");
Get_S1 (3, Minutes_Tens, "Minutes (Tens)");
Get_SB ( Temp, "DBB2_2"); if (Temp) DBB2|=(1<<2);
Skip_S1(3, "Zero");
Skip_S1(4, "BG6");
Get_SB ( Temp, "DBB2_3"); if (Temp) DBB2|=(1<<3);
Skip_S1(3, "Zero");
Get_S1 (4, Hours_Units, "Hours (Units)");
Get_SB ( Temp, "DBB2_4"); if (Temp) DBB2|=(1<<4);
Skip_S1(3, "Zero");
Skip_S1(4, "BG7");
Get_SB ( Temp, "DBB2_5"); if (Temp) DBB2|=(1<<5);
Skip_S1(3, "Zero");
Skip_SB( "BGF2");
Skip_SB( "BGF1");
Get_S1 (2, Hours_Tens, "Hours (Tens)");
Get_SB ( Temp, "DBB2_6"); if (Temp) DBB2|=(1<<6);
Skip_S1(3, "Zero");
Skip_S1(4, "BG8");
Get_SB ( Temp, "DBB2_7"); if (Temp) DBB2|=(1<<7);
Skip_S1(3, "Zero");
BS_End();
}
else
{
BS_Begin();
Skip_S1(4, "BG1");
Get_S1 (4, Frames_Units, "Frames (Units)");
Skip_S1(4, "BG2");
Skip_SB( "CF - Color fame");
Get_SB ( DropFrame, "DP - Drop frame");
Get_S1 (2, Frames_Tens, "Frames (Tens)");
Skip_S1(4, "BG3");
Get_S1 (4, Seconds_Units, "Seconds (Units)");
Skip_S1(4, "BG4");
Skip_SB( "FM - Frame Mark");
Get_S1 (3, Seconds_Tens, "Seconds (Tens)");
Skip_S1(4, "BG5");
Get_S1 (4, Minutes_Units, "Minutes (Units)");
Skip_S1(4, "BG6");
Skip_SB( "BGF0");
Get_S1 (3, Minutes_Tens, "Minutes (Tens)");
Skip_S1(4, "BG7");
Get_S1 (4, Hours_Units, "Hours (Units)");
Skip_S1(4, "BG8");
Skip_SB( "BGF2");
Skip_SB( "BGF1");
Get_S1 (2, Hours_Tens, "Hours (Tens)");
BS_End();
}
int64u TimeCode_Ms=(int64u)(Hours_Tens *10*60*60*1000
+ Hours_Units *60*60*1000
+ Minutes_Tens *10*60*1000
+ Minutes_Units *60*1000
+ Seconds_Tens *10*1000
+ Seconds_Units *1000
+ (Gxf_FrameRate(FrameRate_Code)==0?0:((Frames_Tens*10+Frames_Units)*1000/float64_int32s(Gxf_FrameRate(FrameRate_Code)/(Gxf_FrameRate(FrameRate_Code)>30?2:1)))));
if (TimeCode_FirstFrame.empty())
{
TimeCode_FirstFrame+=('0'+Hours_Tens);
TimeCode_FirstFrame+=('0'+Hours_Units);
TimeCode_FirstFrame+=':';
TimeCode_FirstFrame+=('0'+Minutes_Tens);
TimeCode_FirstFrame+=('0'+Minutes_Units);
TimeCode_FirstFrame+=':';
TimeCode_FirstFrame+=('0'+Seconds_Tens);
TimeCode_FirstFrame+=('0'+Seconds_Units);
TimeCode_FirstFrame+=DropFrame?';':':';
TimeCode_FirstFrame+=('0'+Frames_Tens);
TimeCode_FirstFrame+=('0'+Frames_Units);
}
#if MEDIAINFO_TRACE
string TimeCode;
TimeCode+=('0'+Hours_Tens);
TimeCode+=('0'+Hours_Units);
TimeCode+=':';
TimeCode+=('0'+Minutes_Tens);
TimeCode+=('0'+Minutes_Units);
TimeCode+=':';
TimeCode+=('0'+Seconds_Tens);
TimeCode+=('0'+Seconds_Units);
TimeCode+=DropFrame?';':':';
TimeCode+=('0'+Frames_Tens);
TimeCode+=('0'+Frames_Units);
Element_Info1(TimeCode.c_str());
#endif //MEDIAINFO_TRACE
if (IsAtc)
{
Settings=Atc_PayloadType(DBB1);
Element_Info1(__T("PayloadType=")+Ztring().From_UTF8(Settings.c_str()));
Element_Info1(__T("VitcLineSelect=")+Ztring::ToZtring(DBB2&0x1F));
}
Element_End0();
FILLING_BEGIN();
if (TimeCode_FirstFrame_ms==(int64u)-1)
TimeCode_FirstFrame_ms=TimeCode_Ms;
FILLING_END();
}
else
Skip_XX(8, "Junk");
}
//bitmap, already parsed
Element_Offset+=64;
FILLING_BEGIN();
if (!Status[IsFilled] && TimeCode_FirstFrame_ms!=(int64u)-1)
{
Accept();
Fill();
if (MediaInfoLib::Config.ParseSpeed_Get()<1)
Finish();
}
FILLING_END();
}
} //NameSpace
#endif //MEDIAINFO_TIMECODE_YES
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