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New keys approach in lib.

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This commit is contained in:
Erik Zandvliet 2013-06-04 11:48:03 +02:00
parent e5ab3e3698
commit a2b70298fc
1 changed files with 23 additions and 13 deletions
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36
lib/dtsc.cpp
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@ -811,15 +811,21 @@ JSON::Value & DTSC::File::getJSON(){
bool DTSC::File::seek_time(int ms, int trackNo){
seekPos tmpPos;
tmpPos.trackID = trackNo;
tmpPos.seekTime = jsonbuffer["time"].asInt();
tmpPos.seekPos = getBytePos();
for (int i = 0; i < metadata["tracks"][trackMapping[trackNo]]["keynum"].size(); i++){
if (metadata["tracks"][trackMapping[trackNo]]["keytime"][i].asInt() > ms){
//if (jsonbuffer && ms > jsonbuffer["time"].asInt()){
// tmpPos.seekTime = jsonbuffer["time"].asInt();
// tmpPos.seekPos = getBytePos();
//}else{
tmpPos.seekTime = 0;
tmpPos.seekPos = 0;
// jsonbuffer["time"] = 0u;
//}
for (JSON::ArrIter keyIt = metadata["tracks"][trackMapping[trackNo]]["keys"].ArrBegin(); keyIt != metadata["tracks"][trackMapping[trackNo]]["keys"].ArrEnd(); keyIt++){
if ((*keyIt)["time"].asInt() > ms){
break;
}
if (metadata["tracks"][trackMapping[trackNo]]["keytime"][i].asInt() > jsonbuffer["time"].asInt()){
tmpPos.seekTime = metadata["tracks"][trackMapping[trackNo]]["keytime"][i].asInt();
tmpPos.seekPos = metadata["tracks"][trackMapping[trackNo]]["keybpos"][i].asInt();
if ((*keyIt)["time"].asInt() > jsonbuffer["time"].asInt()){
tmpPos.seekTime = (*keyIt)["time"].asInt();
tmpPos.seekPos = (*keyIt)["bpos"].asInt();
}
}
bool foundPacket = false;
@ -835,7 +841,7 @@ bool DTSC::File::seek_time(int ms, int trackNo){
//check if packetID matches, if not, skip size + 8 bytes.
int packSize = ntohl(((int*)header)[1]);
int packID = ntohl(((int*)header)[2]);
if (packID != trackNo){
if (memcmp(header,Magic_Packet2,4) != 0 || packID != trackNo){
tmpPos.seekPos += 8 + packSize;
continue;
}
@ -886,11 +892,15 @@ bool DTSC::File::atKeyframe(){
return true;
}
bool inHeader = false;
for (JSON::ObjIter oIt = metadata["tracks"].ObjBegin(); oIt != metadata["tracks"].ObjEnd(); oIt++){
for (JSON::ArrIter aIt = oIt->second["keytime"].ArrBegin(); aIt != oIt->second["keytime"].ArrEnd(); aIt++){
if ((*aIt).asInt() == jsonbuffer["time"].asInt()){
inHeader = true;
break;
for (std::set<int>::iterator selectIt = selectedTracks.begin(); selectIt != selectedTracks.end(); selectIt++){
for (JSON::ObjIter oIt = metadata["tracks"].ObjBegin(); oIt != metadata["tracks"].ObjEnd(); oIt++){
if (oIt->second["trackid"].asInt() == (*selectIt)){
for (JSON::ArrIter aIt = oIt->second["keys"].ArrBegin(); aIt != oIt->second["keys"].ArrEnd(); aIt++){
if ((*aIt)["time"].asInt() == jsonbuffer["time"].asInt()){
inHeader = true;
break;
}
}
}
}
}