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Updated DTSC analyser in compact mode to be more accurate and detect possible HLS-related issues, compact mode no longer a Pro-only feature.

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Thulinma 2016-10-11 15:09:19 +02:00
parent f22d95b974
commit 4963aac941
1 changed files with 52 additions and 0 deletions
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52
src/analysers/dtsc_analyser.cpp
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@ -24,6 +24,58 @@ namespace Analysers {
return 1;
}
if (conf.getBool("compact")){
bool hasH264 = false;
bool hasAAC = false;
bool unstable_keys = false;
bool unstable_parts = false;
JSON::Value result;
std::stringstream issues;
for (std::map<unsigned int, DTSC::Track>::iterator it = F.getMeta().tracks.begin(); it != F.getMeta().tracks.end(); it++){
JSON::Value track;
track["kbits"] = (long long)((double)it->second.bps * 8 / 1024);
track["codec"] = it->second.codec;
uint32_t shrtest_key = 0xFFFFFFFFul;
uint32_t longest_key = 0;
uint32_t shrtest_prt = 0xFFFFFFFFul;
uint32_t longest_prt = 0;
uint32_t shrtest_cnt = 0xFFFFFFFFul;
uint32_t longest_cnt = 0;
for (std::deque<DTSC::Key>::iterator k = it->second.keys.begin(); k != it->second.keys.end(); k++){
if (!k->getLength()){continue;}
if (k->getLength() > longest_key){longest_key = k->getLength();}
if (k->getLength() < shrtest_key){shrtest_key = k->getLength();}
if (k->getParts() > longest_cnt){longest_cnt = k->getParts();}
if (k->getParts() < shrtest_cnt){shrtest_cnt = k->getParts();}
if ((k->getLength()/k->getParts()) > longest_prt){longest_prt = (k->getLength()/k->getParts());}
if ((k->getLength()/k->getParts()) < shrtest_prt){shrtest_prt = (k->getLength()/k->getParts());}
}
track["keys"]["min"] = (long long)shrtest_key;
track["keys"]["max"] = (long long)longest_key;
track["prts"]["min"] = (long long)shrtest_prt;
track["prts"]["max"] = (long long)longest_prt;
track["count"]["min"] = (long long)shrtest_cnt;
track["count"]["max"] = (long long)longest_cnt;
if (shrtest_key < longest_key / 2){issues << it->second.codec << " key duration unstable (variable key interval!) (" << shrtest_key << "-" << longest_key << ")! ";}
if ((shrtest_prt < longest_prt / 2) && (shrtest_cnt != longest_cnt)){issues << it->second.codec << " part duration unstable (bad connection!) (" << shrtest_prt << "-" << longest_prt << ")! ";}
if (it->second.codec == "AAC"){hasAAC = true;}
if (it->second.codec == "H264"){hasH264 = true;}
if (it->second.type=="video"){
track["width"] = (long long)it->second.width;
track["height"] = (long long)it->second.height;
track["fpks"] = it->second.fpks;
}
result[it->second.getWritableIdentifier()] = track;
}
if (hasAAC || hasH264){
if (!hasAAC){issues << "video-only! ";}
if (!hasH264){issues << "audio-only! ";}
}
if (issues.str().size()){result["issues"] = issues.str();}
std::cout << result.toString();
return 0;
}
if (F.getMeta().vod || F.getMeta().live){
F.getMeta().toPrettyString(std::cout,0, 0x03);
}