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Fixed DTSC Stream library multibitrate support.

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This commit is contained in:
Thulinma 2013-06-25 15:38:11 +02:00
parent 8ddc1ab884
commit 785136f7cc
2 changed files with 21 additions and 6 deletions
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21
lib/dtsc.cpp
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@ -179,6 +179,7 @@ void DTSC::Stream::addPacket(JSON::Value & newPack){
newPos.trackID = newPack["trackid"].asInt();
newPos.seekTime = newPack["time"].asInt();
buffers[newPos] = newPack;
buffers[newPos].toNetPacked();//make sure package is packed and ready
datapointertype = INVALID;
///\todo Save keyframes when they arrive.
if (newPack.isMember("data")){
@ -285,10 +286,10 @@ void DTSC::Stream::setBufferTime(unsigned int ms){
std::string & DTSC::Stream::outPacket(){
static std::string emptystring;
if (!buffers.size() || !buffers.begin()->second.isObject()){
if (!buffers.size() || !buffers.rbegin()->second.isObject()){
return emptystring;
}
return buffers.begin()->second.toNetPacked();
return buffers.rbegin()->second.toNetPacked();
}
/// Returns a packed DTSC packet, ready to sent over the network.
@ -406,7 +407,7 @@ int DTSC::Stream::canSeekms(unsigned int ms){
if ( !buffers.size()){
return 1;
}
if (ms > (buffers.end()--)->second["time"].asInt()){
if (ms > buffers.rbegin()->second["time"].asInt()){
return 1;
}
if (ms < buffers.begin()->second["time"].asInt()){
@ -415,7 +416,7 @@ int DTSC::Stream::canSeekms(unsigned int ms){
return 0;
}
DTSC::livePos DTSC::Stream::msSeek(unsigned int ms, std::set<int> allowedTracks){
DTSC::livePos DTSC::Stream::msSeek(unsigned int ms, std::set<int> & allowedTracks){
livePos result = buffers.begin()->first;
for (std::map<livePos,JSON::Value>::iterator bIt = buffers.begin(); bIt != buffers.end(); bIt++){
if (allowedTracks.find(bIt->first.trackID) != allowedTracks.end()){
@ -428,6 +429,18 @@ DTSC::livePos DTSC::Stream::msSeek(unsigned int ms, std::set<int> allowedTracks)
return result;
}
bool DTSC::Stream::isNewest(DTSC::livePos & pos){
return (buffers.upper_bound(pos) == buffers.end());
}
DTSC::livePos DTSC::Stream::getNext(DTSC::livePos & pos, std::set<int> & allowedTracks){
if (!isNewest(pos)){
return (buffers.upper_bound(pos))->first;
}else{
return livePos();
}
}
/// Properly cleans up the object for erasing.
/// Drops all Ring classes that have been given out.
DTSC::Stream::~Stream(){

6
lib/dtsc.h
View file

@ -202,9 +202,11 @@ namespace DTSC {
void dropRing(Ring * ptr);
void updateHeaders();
int canSeekms(unsigned int ms);
livePos msSeek(unsigned int ms, std::set<int> allowedTracks);
livePos msSeek(unsigned int ms, std::set<int> & allowedTracks);
void setBufferTime(unsigned int ms);
private:
bool isNewest(DTSC::livePos & pos);
DTSC::livePos getNext(DTSC::livePos & pos, std::set<int> & allowedTracks);
private:
std::map<livePos,JSON::Value> buffers;
std::map<int,std::set<livePos> > keyframes;
void addPacket(JSON::Value & newPack);