void OutProgressiveOGG::sendHeader(){
HTTP_S.Clean(); //make sure no parts of old requests are left in any buffers
HTTP_S.SetHeader("Content-Type", "video/ogg");
HTTP_S.protocol = "HTTP/1.0";
myConn.SendNow(HTTP_S.BuildResponse("200", "OK")); //no SetBody = unknown length - this is intentional, we will stream the entire file
std::map<int, std::deque<std::string> > initData;
OGG::oggSegment newSegment;
for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
parseInit(myMeta.tracks[*it].init, initData[*it]);
if (myMeta.tracks[*it].codec == "theora"){ //get size and position of init data for this page.
pageBuffer[*it].codec = OGG::THEORA;
pageBuffer[*it].totalFrames = 1; //starts at frame number 1, according to weird offDetectMeta function.
std::string tempStr = initData[*it][0];
theora::header tempHead((char *)tempStr.c_str(), 42);
pageBuffer[*it].split = tempHead.getKFGShift();
INFO_MSG("got theora KFG shift: %d", pageBuffer[*it].split); //looks OK.
} else if (myMeta.tracks[*it].codec == "vorbis"){
pageBuffer[*it].codec = OGG::VORBIS;
pageBuffer[*it].totalFrames = 0;
pageBuffer[*it].sampleRate = myMeta.tracks[*it].rate;
pageBuffer[*it].prevBlockFlag = -1;
vorbis::header tempHead((char *)initData[*it][0].data(), initData[*it][0].size());
pageBuffer[*it].blockSize[0] = std::min(tempHead.getBlockSize0(), tempHead.getBlockSize1());
pageBuffer[*it].blockSize[1] = std::max(tempHead.getBlockSize0(), tempHead.getBlockSize1());
char audioChannels = tempHead.getAudioChannels(); //?
vorbis::header tempHead2((char *)initData[*it][2].data(), initData[*it][2].size());
pageBuffer[*it].vorbisModes = tempHead2.readModeDeque(audioChannels);//getting modes
} else if (myMeta.tracks[*it].codec == "opus"){
pageBuffer[*it].totalFrames = 0; //?
pageBuffer[*it].codec = OGG::OPUS;
}
pageBuffer[*it].clear(OGG::BeginOfStream, 0, *it, 0); //CREATES a (map)pageBuffer object, *it = id, pagetype=BOS
newSegment.dataString = initData[*it][0];
pageBuffer[*it].oggSegments.push_back(newSegment);
pageBuffer[*it].sendTo(myConn, 0); //granule position of 0
}
for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
newSegment.dataString = initData[*it][1];
pageBuffer[*it].oggSegments.push_back(newSegment);
newSegment.dataString = initData[*it][2];
pageBuffer[*it].oggSegments.push_back(newSegment);
while (pageBuffer[*it].oggSegments.size()){
pageBuffer[*it].sendTo(myConn, 0); //granule position of 0
}
}
sentHeader = true;
}
ListNode* reverseBetween(ListNode* head, int m, int n)
{
if (m == n)
{
return head;
}
ListNode dummyHead(-1);
dummyHead.next = head;
ListNode *curNode = &dummyHead;
int count = 1;
while (count < m)
{
curNode = curNode->next;
count++;
}
ListNode tempHead(-1);
for (int curInd = m; curInd <= n; curInd++)
{
ListNode *tempNode = curNode->next;
curNode->next = curNode->next->next;
tempNode->next = tempHead.next;
tempHead.next = tempNode;
}
ListNode *curTemp = tempHead.next;
while (curTemp->next != NULL)
{
curTemp = curTemp->next;
}
curTemp->next = curNode->next;
curNode->next = tempHead.next;
return dummyHead.next;
}
