void P2_MetaHandler::SetStartTimecodeFromLegacyXML ( XML_NodePtr legacyVideoContext, bool digestFound )
{
// Translate start timecode to the format specified by the dynamic media schema.
if ( digestFound || (! this->xmpObj.DoesPropertyExist ( kXMP_NS_DM, "startTimecode" )) ) {
P2_Clip* p2Clip = this->p2ClipManager.GetManagedClip() ;
XMP_StringPtr p2NS = p2Clip->GetP2RootNode()->ns.c_str();
XML_NodePtr legacyProp = legacyVideoContext->GetNamedElement ( p2NS, "StartTimecode" );
if ( (legacyProp != 0) && legacyProp->IsLeafContentNode() ) {
std::string p2StartTimecode = legacyProp->GetLeafContentValue();
legacyProp = legacyVideoContext->GetNamedElement ( p2NS, "FrameRate" );
if ( (legacyProp != 0) && legacyProp->IsLeafContentNode() ) {
const std::string p2FrameRate = legacyProp->GetLeafContentValue();
XMP_StringPtr p2DropFrameFlag = legacyProp->GetAttrValue ( "DropFrameFlag" );
if ( p2DropFrameFlag == 0 ) p2DropFrameFlag = ""; // Make tests easier.
std::string dmTimeFormat;
if ( ( p2FrameRate == "50i" ) || ( p2FrameRate == "25p" ) ) {
dmTimeFormat = "25Timecode";
} else if ( p2FrameRate == "23.98p" ) {
dmTimeFormat = "23976Timecode";
} else if ( p2FrameRate == "50p" ) {
dmTimeFormat = "50Timecode";
this->AdjustTimeCode( p2StartTimecode, false );
} else if ( ( p2FrameRate == "59.94p" ) && ( p2DropFrameFlag != 0 ) ) {
if ( XMP_LitMatch ( p2DropFrameFlag, "true" ) ) {
dmTimeFormat = "5994DropTimecode";
} else if ( XMP_LitMatch ( p2DropFrameFlag, "false" ) ) {
dmTimeFormat = "5994NonDropTimecode";
}
this->AdjustTimeCode( p2StartTimecode, false );
} else if ( (p2FrameRate == "59.94i") || (p2FrameRate == "29.97p") ) {
if ( p2DropFrameFlag != 0 ) {
if ( XMP_LitMatch ( p2DropFrameFlag, "false" ) ) {
dmTimeFormat = "2997NonDropTimecode";
} else if ( XMP_LitMatch ( p2DropFrameFlag, "true" ) ) {
// Drop frame NTSC timecode uses semicolons instead of colons as separators.
std::string::iterator currCharIt = p2StartTimecode.begin();
const std::string::iterator charsEndIt = p2StartTimecode.end();
for ( ; currCharIt != charsEndIt; ++currCharIt ) {
if ( *currCharIt == ':' ) *currCharIt = ';';
}
dmTimeFormat = "2997DropTimecode";
}
}
}
if ( ( ! p2StartTimecode.empty() ) && ( ! dmTimeFormat.empty() ) ) {
this->xmpObj.SetStructField ( kXMP_NS_DM, "startTimecode", kXMP_NS_DM, "timeValue", p2StartTimecode, 0 );
this->xmpObj.SetStructField ( kXMP_NS_DM, "startTimecode", kXMP_NS_DM, "timeFormat", dmTimeFormat, 0 );
this->containsXMP = true;
}
}
}
}
} // P2_MetaHandler::SetStartTimecodeFromLegacyXML
void P2_MetaHandler::SetVideoFrameInfoFromLegacyXML ( XML_NodePtr legacyVideoContext, bool digestFound )
{
// Map the P2 Codec field to various dynamic media schema fields.
if ( digestFound || (! this->xmpObj.DoesPropertyExist ( kXMP_NS_DM, "videoFrameSize" )) ) {
P2_Clip* p2Clip = this->p2ClipManager.GetManagedClip() ;
XMP_StringPtr p2NS = p2Clip->GetP2RootNode()->ns.c_str();
XML_NodePtr legacyProp = legacyVideoContext->GetNamedElement ( p2NS, "Codec" );
if ( (legacyProp != 0) && legacyProp->IsLeafContentNode() ) {
const std::string p2Codec = legacyProp->GetLeafContentValue();
std::string dmPixelAspectRatio, dmVideoCompressor, dmWidth, dmHeight;
if ( p2Codec == "DV25_411" ) {
dmWidth = "720";
dmVideoCompressor = "DV25 4:1:1";
} else if ( p2Codec == "DV25_420" ) {
dmWidth = "720";
dmVideoCompressor = "DV25 4:2:0";
} else if ( p2Codec == "DV50_422" ) {
dmWidth = "720";
dmVideoCompressor = "DV50 4:2:2";
} else if ( ( p2Codec == "DV100_1080/59.94i" ) || ( p2Codec == "DV100_1080/50i" ) ) {
dmVideoCompressor = "DV100";
dmHeight = "1080";
if ( p2Codec == "DV100_1080/59.94i" ) {
dmWidth = "1280";
dmPixelAspectRatio = "3/2";
} else {
dmWidth = "1440";
dmPixelAspectRatio = "1920/1440";
}
} else if ( ( p2Codec == "DV100_720/59.94p" ) || ( p2Codec == "DV100_720/50p" ) ) {
dmVideoCompressor = "DV100";
dmHeight = "720";
dmWidth = "960";
dmPixelAspectRatio = "1920/1440";
} else if ( ( p2Codec.compare ( 0, 6, "AVC-I_" ) == 0 ) ) {
// This is AVC-Intra footage. The framerate and PAR depend on the "class" attribute in the P2 XML.
const XMP_StringPtr codecClass = legacyProp->GetAttrValue( "Class" );
if ( codecClass != 0 )
dmVideoCompressor = "AVC-Intra"; // initializing with default value
if ( XMP_LitMatch ( codecClass, "100" ) ) {
dmVideoCompressor = "AVC-Intra 100";
dmPixelAspectRatio = "1/1";
if ( p2Codec.compare ( 6, 4, "1080" ) == 0 ) {
dmHeight = "1080";
dmWidth = "1920";
} else if ( p2Codec.compare ( 6, 3, "720" ) == 0 ) {
dmHeight = "720";
dmWidth = "1280";
}
} else if ( XMP_LitMatch ( codecClass, "50" ) ) {
dmVideoCompressor = "AVC-Intra 50";
dmPixelAspectRatio = "1920/1440";
if ( p2Codec.compare ( 6, 4, "1080" ) == 0 ) {
dmHeight = "1080";
dmWidth = "1440";
} else if ( p2Codec.compare ( 6, 3, "720" ) == 0 ) {
dmHeight = "720";
dmWidth = "960";
}
} else {
// Unknown codec class -- we don't have enough info to determine the
// codec, PAR, or aspect ratio
dmVideoCompressor = "AVC-Intra";
}
}
if ( dmWidth == "720" ) {
// This is SD footage -- calculate the frame height and pixel aspect ratio using the legacy P2
// FrameRate and AspectRatio fields.
legacyProp = legacyVideoContext->GetNamedElement ( p2NS, "FrameRate" );
if ( (legacyProp != 0) && legacyProp->IsLeafContentNode() ) {
const std::string p2FrameRate = legacyProp->GetLeafContentValue();
legacyProp = legacyVideoContext->GetNamedElement ( p2NS, "AspectRatio" );
if ( (legacyProp != 0) && legacyProp->IsLeafContentNode() ) {
const std::string p2AspectRatio = legacyProp->GetLeafContentValue();
if ( p2FrameRate == "50i" ) {
// Standard Definition PAL.
dmHeight = "576";
if ( p2AspectRatio == "4:3" ) {
dmPixelAspectRatio = "768/702";
} else if ( p2AspectRatio == "16:9" ) {
dmPixelAspectRatio = "1024/702";
}
} else if ( p2FrameRate == "59.94i" ) {
// Standard Definition NTSC.
dmHeight = "480";
if ( p2AspectRatio == "4:3" ) {
dmPixelAspectRatio = "10/11";
} else if ( p2AspectRatio == "16:9" ) {
dmPixelAspectRatio = "40/33";
}
}
}
}
}
if ( ! dmPixelAspectRatio.empty() ) {
this->xmpObj.SetProperty ( kXMP_NS_DM, "videoPixelAspectRatio", dmPixelAspectRatio, kXMP_DeleteExisting );
this->containsXMP = true;
}
if ( ! dmVideoCompressor.empty() ) {
this->xmpObj.SetProperty ( kXMP_NS_DM, "videoCompressor", dmVideoCompressor, kXMP_DeleteExisting );
this->containsXMP = true;
}
if ( ( ! dmWidth.empty() ) && ( ! dmHeight.empty() ) ) {
this->xmpObj.SetStructField ( kXMP_NS_DM, "videoFrameSize", kXMP_NS_XMP_Dimensions, "w", dmWidth, 0 );
this->xmpObj.SetStructField ( kXMP_NS_DM, "videoFrameSize", kXMP_NS_XMP_Dimensions, "h", dmHeight, 0 );
this->xmpObj.SetStructField ( kXMP_NS_DM, "videoFrameSize", kXMP_NS_XMP_Dimensions, "unit", "pixel", 0 );
this->containsXMP = true;
}
}
}
} // P2_MetaHandler::SetVideoFrameInfoFromLegacyXML