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Fix track selector logic when multiple selections are considered

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This commit is contained in:
Thulinma 2022-08-04 16:43:04 +02:00
parent fffe98804c
commit 267a74f0f6
1 changed files with 31 additions and 2 deletions
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33
lib/stream.cpp
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@ -1249,7 +1249,7 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
std::set<size_t> result;
/*LTS-START*/
bool noSelAudio = false, noSelVideo = false, noSelSub = false;
bool noSelAudio = false, noSelVideo = false, noSelSub = false, noSelMeta = false;
// Then, select the tracks we've been asked to select.
if (targetParams.count("audio") && targetParams.at("audio").size()){
if (targetParams.at("audio") != "-1" && targetParams.at("audio") != "none"){
@ -1270,6 +1270,11 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
result.insert(tracks.begin(), tracks.end());
noSelSub = true;
}
if (targetParams.count("meta") && targetParams.at("meta").size()){
std::set<size_t> tracks = Util::findTracks(M, capa, "meta", targetParams.at("meta"), UA);
result.insert(tracks.begin(), tracks.end());
noSelMeta = true;
}
/*LTS-END*/
std::set<size_t> validTracks = M.getValidTracks();
@ -1291,6 +1296,7 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
// loop through all codec combinations, count max simultaneous active
unsigned int bestSoFar = 0;
unsigned int bestSoFarCount = 0;
unsigned int bestSoFarCountExtra = 0;
unsigned int index = 0;
bool allowBFrames = true;
if (capa.isMember("methods")){
@ -1319,6 +1325,7 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
if (problems){continue;}
if (noSelAudio && M.getType(*trit) == "audio"){continue;}
if (noSelVideo && M.getType(*trit) == "video"){continue;}
if (noSelMeta && M.getType(*trit) == "meta"){continue;}
if (noSelSub && (M.getType(*trit) == "subtitle" || M.getCodec(*trit) == "subtitle")){continue;}
result.insert(*trit);
}
@ -1328,6 +1335,7 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
jsonForEachConst(capa["codecs"], it){
unsigned int selCounter = 0;
unsigned int extraCounter = 0;
if ((*it).size() > 0){
jsonForEachConst((*it), itb){
if ((*itb).size() > 0){
@ -1360,6 +1368,26 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
}
if (problems){break;}
selCounter++;
extraCounter++;
if (!multiSel){break;}
}
}
for (std::set<size_t>::iterator itd = validTracks.begin(); itd != validTracks.end(); itd++){
if ((!byType && M.getCodec(*itd) == strRef.substr(shift)) ||
(byType && M.getType(*itd) == strRef.substr(shift)) || strRef.substr(shift) == "*"){
// user-agent-check
bool problems = false;
if (capa.isMember("exceptions") && capa["exceptions"].isObject() &&
capa["exceptions"].size()){
jsonForEachConst(capa["exceptions"], ex){
if (ex.key() == "codec:" + strRef.substr(shift)){
problems = !Util::checkException(*ex, UA);
break;
}
}
}
if (problems){break;}
extraCounter++;
if (!multiSel){break;}
}
}
@ -1367,8 +1395,9 @@ std::set<size_t> Util::wouldSelect(const DTSC::Meta &M, const std::map<std::stri
}
}
if (selCounter == result.size()){
if (selCounter > bestSoFarCount){
if (selCounter > bestSoFarCount || (selCounter == bestSoFarCount && extraCounter > bestSoFarCountExtra)){
bestSoFarCount = selCounter;
bestSoFarCountExtra = extraCounter;
bestSoFar = index;
HIGH_MSG("Matched %u: %s", selCounter, (*it).toString().c_str());
}