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Ogg conversion now gives sensible output

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Oswald de Bruin 2013-06-17 15:54:51 +02:00 • committed by Thulinma
parent 867bb45760
commit ef98b5c284
1 changed files with 31 additions and 7 deletions
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38
src/converters/ogg2dtsc.cpp
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@ -2,7 +2,8 @@
#include <iostream>
#include <fstream>
#include <string>
#include <string.h>
#include <sstream>
//#include <string.h>
#include <map>
#include <mist/dtsc.h>
#include <mist/ogg.h>
@ -19,6 +20,10 @@ namespace Converters{
codecType codec;
long long unsigned int dtscID;
long long signed int fpks; //frames per kilo second
char KFGShift;
int width;
int height;
int bps;
DTSC::datatype type; //type of stream in DTSC
};
@ -30,6 +35,9 @@ namespace Converters{
//while stream busy
JSON::Value DTSCOut;
JSON::Value DTSCHeader;
DTSCHeader.null();
DTSCHeader["moreheader"] = 0ll;
std::map<long unsigned int, oggTrack> trackData;
long long int lastTrackID = 1;
while (std::cin.good()){
@ -82,11 +90,18 @@ namespace Converters{
switch(tHead.getHeaderType()){
case 0: //identification header
trackData[sNum].fpks = ((long long int)tHead.getFRN() * 1000) / tHead.getFRD();
std::cerr << trackData[sNum].fpks << std::endl;
trackData[sNum].KFGShift = tHead.getKFGShift();
//std::cerr << trackData[sNum].fpks << std::endl;
break;
case 1: //comment header
break;
case 2: //setup header
case 2: //setup header, also the point to start writing the header
std::stringstream tID;
tID << "track" << trackData[sNum].dtscID;
DTSCHeader["tracks"][tID.str()]["codec"] = "THEORA";
DTSCHeader["tracks"][tID.str()]["fpks"] = (long long)trackData[sNum].fpks;
DTSCHeader["tracks"][tID.str()]["trackid"] = (long long)trackData[sNum].dtscID;
std::cout << DTSCHeader.toNetPacked();
break;
}
@ -95,11 +110,20 @@ namespace Converters{
//output DTSC packet
DTSCOut.null();//clearing DTSC buffer
DTSCOut["trackid"] = (long long)trackData[sNum].dtscID;
DTSCOut["time"] = 0; //timestamp
long long unsigned int temp = oggPage.getGranulePosition();
//std::cerr << std::hex << temp << std::dec << " " << (temp >> trackData[sNum].KFGShift) << " " << (temp & (trackData[sNum].KFGShift * 2 -1));
//std::cerr << " " << (unsigned int)trackData[sNum].KFGShift << std::endl;
DTSCOut["time"] = (long long)(((temp >> trackData[sNum].KFGShift) + (temp & (trackData[sNum].KFGShift * 2 -1))) * 1000000 / trackData[sNum].fpks);
//std::cerr << DTSCOut["time"].asInt() << std::endl;
//timestamp calculated by frames * FPS. Amount of frames is calculated by:
// granule position using keyframe (bitshift) and distance from keyframe (mask)
DTSCOut["data"] = std::string(curSeg + curPlace, curLength); //segment content put in JSON
//DTSCOut["keyframe"] = "x"; //Aanmaken als eerste segment = keyframe
//else DTSCOut["interframe"] = "x";
std::cout << DTSCOut.toString();
if ((temp & (trackData[sNum].KFGShift * 2 -1)) == 0){ //granule mask equals zero when on keyframe
DTSCOut["keyframe"] = 1;
}else{
DTSCOut["interframe"] = 1;
}
std::cout << DTSCOut.toNetPacked();
}
curPlace += curLength;
}