vdr-plugin-skindesigner/libcore/extrecinfo.c
2014-10-20 17:35:52 +02:00

97 lines
3.4 KiB
C

#include "../config.h"
#include "helpers.h"
#include "extrecinfo.h"
cExtRecInfo::cExtRecInfo(const char *xml) {
this->xml = xml;
}
cExtRecInfo::~cExtRecInfo(void) {
}
bool cExtRecInfo::Parse(void) {
//read media info
string mediaInfoXml;
StripXmlTag(xml, mediaInfoXml, "mediainfo");
if (mediaInfoXml.size() == 0) {
return false;
}
StripXmlTag(mediaInfoXml, resWidth, "res_width");
StripXmlTag(mediaInfoXml, resHeight, "res_height");
resString = GetScreenResolutionString(resWidth, resHeight, &isHD);
StripXmlTag(mediaInfoXml, aspectratio, "aspectratio");
isWideScreen = !aspectratio.compare("16:9");
StripXmlTag(mediaInfoXml, codec, "codec");
StripXmlTag(mediaInfoXml, format, "format");
StripXmlTag(mediaInfoXml, framerate, "framerate");
StripXmlTag(mediaInfoXml, interlace, "interlace");
size_t found = 0;
isDolby = false;
do {
string track;
found = StripXmlTag(mediaInfoXml, track, "track", found);
if (found == string::npos)
break;
tAudioTrack sTrack;
StripXmlTag(track, sTrack.codec, "codec");
StripXmlTag(track, sTrack.bitrate, "bitrate");
StripXmlTag(track, sTrack.language, "language");
if (!sTrack.codec.compare("AC-3"))
isDolby = true;
tracks.push_back(sTrack);
} while (found != string::npos);
return true;
}
//get content of <tag> ... </tag> inside xml
size_t cExtRecInfo::StripXmlTag(string &xmlstring, string &content, const char *tag, int start) {
// set the search strings
stringstream strStart, strStop;
strStart << "<" << tag << ">";
strStop << "</" << tag << ">";
// find the strings
size_t locStart = xmlstring.find(strStart.str(), start);
size_t locStop = xmlstring.find(strStop.str(), start);
if (locStart == string::npos || locStop == string::npos)
return string::npos;
// extract relevant text
int pos = locStart + strStart.str().size();
int len = locStop - pos;
content = (len < 0) ? "" : xmlstring.substr(pos, len);
return locStop + strStop.str().size();
}
size_t cExtRecInfo::StripXmlTag(string &xmlstring, int &content, const char *tag, int start) {
// set the search strings
stringstream strStart, strStop;
strStart << "<" << tag << ">";
strStop << "</" << tag << ">";
// find the strings
size_t locStart = xmlstring.find(strStart.str(), start);
size_t locStop = xmlstring.find(strStop.str(), start);
if (locStart == string::npos || locStop == string::npos)
return string::npos;
// extract relevant text
int pos = locStart + strStart.str().size();
int len = locStop - pos;
string value = (len < 0) ? "" : xmlstring.substr(pos, len);
content = atoi(value.c_str());
return locStop + strStop.str().size();
}
void cExtRecInfo::Debug(void) {
dsyslog("skindesigner: extRecInfo xml: %s", xml.c_str());
dsyslog("skindesigner: : res_width %d, res_height %d, res %s, aspectratio %s, codec %s, format %s, framerate %s, interlace %s, hd %s, widescreen %s",
resWidth, resHeight, resString.c_str(), aspectratio.c_str(), codec.c_str(), format.c_str(), framerate.c_str(), interlace.c_str(),
isHD ? "true": "false", isWideScreen ? "true" : "false");
int numTrack = 1;
for (vector<tAudioTrack>::iterator it = tracks.begin(); it != tracks.end(); it++) {
dsyslog("skindesigner: audio track %d, codec %s, bitrate %s, language: %s", numTrack++, (*it).codec.c_str(), (*it).bitrate.c_str(), (*it).language.c_str());
}
}