//---------------------------------------------------------------------------
void FileInformation::Export_XmlGz (const QString &ExportFileName, const activefilters& filters)
{
stringstream Data;
// Header
Data<<"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
Data<<"<!-- Created by QCTools " << Version << " -->\n";
Data<<"<ffprobe:ffprobe xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'>\n";
Data<<" <program_version version=\"" << FFmpeg_Glue::FFmpeg_Version() << "\" copyright=\"Copyright (c) 2007-" << FFmpeg_Glue::FFmpeg_Year() << " the FFmpeg developers\" build_date=\"" __DATE__ "\" build_time=\"" __TIME__ "\" compiler_ident=\"" << FFmpeg_Glue::FFmpeg_Compiler() << "\" configuration=\"" << FFmpeg_Glue::FFmpeg_Configuration() << "\"/>\n";
Data<<"\n";
Data<<" <library_versions>\n";
Data<<FFmpeg_Glue::FFmpeg_LibsVersion();
Data<<" </library_versions>\n";
Data<<" <frames>\n";
// From stats
for (size_t Pos=0; Pos<Stats.size(); Pos++)
{
if (Stats[Pos])
{
if(Stats[Pos]->Type_Get() == Type_Video && Glue)
{
auto videoStats = static_cast<VideoStats*>(Stats[Pos]);
videoStats->setWidth(Glue->Width_Get());
videoStats->setHeight(Glue->Height_Get());
}
Data<<Stats[Pos]->StatsToXML(filters);
}
}
// Footer
Data<<" </frames>";
QString streamsAndFormats;
QXmlStreamWriter writer(&streamsAndFormats);
writer.setAutoFormatting(true);
writer.setAutoFormattingIndent(4);
if(streamsStats)
streamsStats->writeToXML(&writer);
if(formatStats)
formatStats->writeToXML(&writer);
// add indentation
QStringList splitted = streamsAndFormats.split("\n");
for(size_t i = 0; i < splitted.length(); ++i)
splitted[i] = QString(qAbs(writer.autoFormattingIndent()), writer.autoFormattingIndent() > 0 ? ' ' : '\t') + splitted[i];
streamsAndFormats = splitted.join("\n");
Data<<streamsAndFormats.toStdString() << "\n\n";
Data<<"</ffprobe:ffprobe>";
SharedFile file;
QString name;
if(ExportFileName.isEmpty())
{
file = SharedFile(new QTemporaryFile());
QFileInfo info(fileName() + ".qctools.xml.gz");
name = info.fileName();
} else {
file = SharedFile(new QFile(ExportFileName));
QFileInfo info(ExportFileName);
name = info.fileName();
}
string DataS=Data.str();
uLongf Buffer_Size=65536;
if(file->open(QIODevice::ReadWrite))
{
if(name.endsWith(".qctools.xml"))
{
auto bytesLeft = Data.str().size();
auto writePtr = DataS.c_str();
auto totalBytesWritten = 0;
while(bytesLeft) {
auto bytesToWrite = std::min(size_t(Buffer_Size), bytesLeft);
auto bytesWritten = file->write(writePtr, bytesToWrite);
totalBytesWritten += bytesWritten;
Q_EMIT statsFileGenerationProgress(totalBytesWritten, DataS.size());
writePtr += bytesToWrite;
bytesLeft -= bytesWritten;
if(bytesWritten != bytesToWrite)
break;
}
} else {
char* Buffer=new char[Buffer_Size];
z_stream strm;
strm.next_in = (Bytef *) DataS.c_str();
strm.avail_in = DataS.size() ;
strm.total_out = 0;
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
if (deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 15 + 16, 8, Z_DEFAULT_STRATEGY)>=0) // 15 + 16 are magic values for gzip
{
do
{
strm.next_out = (unsigned char*) Buffer;
strm.avail_out = Buffer_Size;
if (deflate(&strm, Z_FINISH)<0)
break;
file->write(Buffer, Buffer_Size-strm.avail_out);
Q_EMIT statsFileGenerationProgress((char*) strm.next_in - DataS.c_str(), DataS.size());
}
while (strm.avail_out == 0);
deflateEnd (&strm);
}
delete[] Buffer;
}
file->flush();
file->seek(0);
}
Q_EMIT statsFileGenerated(file, name);
m_commentsUpdated = false;
}
