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Metadata upgrades as well as improvements to the buffer in terms of debugging and code maintainability.

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This commit is contained in:
Thulinma 2013-11-27 15:30:34 +01:00
parent bb1971e961
commit cde42ce36e
25 changed files with 390 additions and 664 deletions
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97
src/analysers/dtsc_analyser.cpp
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@ -17,108 +17,13 @@ namespace Analysers {
///\return The return code of the analyser.
int analyseDTSC(Util::Config conf){
DTSC::File F(conf.getString("filename"));
JSON::Value meta = F.getMeta();
std::cout << meta.toPrettyString() << std::endl;
JSON::Value pack;
long long unsigned int firstpack = 0;
long long unsigned int nowpack = 0;
long long unsigned int lastaudio = 0;
long long unsigned int lastvideo = 0;
long long unsigned int lastkey = 0;
long long unsigned int totalvideo = 0;
long long unsigned int totalaudio = 0;
long long unsigned int keyframes = 0;
long long unsigned int key_min = 0xffffffff;
long long unsigned int key_max = 0;
long long unsigned int vid_min = 0xffffffff;
long long unsigned int vid_max = 0;
long long unsigned int aud_min = 0xffffffff;
long long unsigned int aud_max = 0;
long long unsigned int bfrm_min = 0xffffffff;
long long unsigned int bfrm_max = 0;
long long unsigned int bps = 0;
F.getMeta().null();
std::cout << F.getMeta().toJSON().toPrettyString() << std::endl;
F.parseNext();
while (F.getJSON()){
nowpack = F.getJSON()["time"].asInt();
std::cout << F.getJSON().toPrettyString() << std::endl;
if (firstpack == 0){
firstpack = nowpack;
}
if (F.getJSON()["datatype"].asString() == "audio"){
if (lastaudio != 0 && (nowpack - lastaudio) != 0){
bps = F.getJSON()["data"].asString().size() / (nowpack - lastaudio);
if (bps < aud_min){
aud_min = bps;
}
if (bps > aud_max){
aud_max = bps;
}
}
totalaudio += F.getJSON()["data"].asString().size();
lastaudio = nowpack;
}
if (F.getJSON()["datatype"].asString() == "video"){
if (lastvideo != 0 && (nowpack - lastvideo) != 0){
bps = F.getJSON()["data"].asString().size() / (nowpack - lastvideo);
if (bps < vid_min){
vid_min = bps;
}
if (bps > vid_max){
vid_max = bps;
}
}
if (F.getJSON()["keyframe"].asInt() != 0){
if (lastkey != 0){
bps = nowpack - lastkey;
if (bps < key_min){
key_min = bps;
}
if (bps > key_max){
key_max = bps;
}
}
keyframes++;
lastkey = nowpack;
}
if (F.getJSON()["offset"].asInt() != 0){
bps = F.getJSON()["offset"].asInt();
if (bps < bfrm_min){
bfrm_min = bps;
}
if (bps > bfrm_max){
bfrm_max = bps;
}
}
totalvideo += F.getJSON()["data"].asString().size();
lastvideo = nowpack;
}
F.parseNext();
}
std::cout << std::endl << "Summary:" << std::endl;
meta["length"] = (long long int)((nowpack - firstpack) / 1000);
if (meta.isMember("audio")){
meta["audio"]["bps"] = (long long int)(totalaudio / ((lastaudio - firstpack) / 1000));
std::cout << " Audio: " << meta["audio"]["codec"].asString() << std::endl;
std::cout << " Bitrate: " << meta["audio"]["bps"].asInt() << std::endl;
}
if (meta.isMember("video")){
meta["video"]["bps"] = (long long int)(totalvideo / ((lastvideo - firstpack) / 1000));
meta["video"]["keyms"] = (long long int)((lastvideo - firstpack) / keyframes);
if (meta["video"]["keyms"].asInt() - key_min > key_max - meta["video"]["keyms"].asInt()){
meta["video"]["keyvar"] = (long long int)(meta["video"]["keyms"].asInt() - key_min);
}else{
meta["video"]["keyvar"] = (long long int)(key_max - meta["video"]["keyms"].asInt());
}
std::cout << " Video: " << meta["video"]["codec"].asString() << std::endl;
std::cout << " Bitrate: " << meta["video"]["bps"].asInt() << std::endl;
std::cout << " Keyframes: " << meta["video"]["keyms"].asInt() << "~" << meta["video"]["keyvar"].asInt() << std::endl;
std::cout << " B-frames: " << bfrm_min << " - " << bfrm_max << std::endl;
}
return 0;
}
}