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Generalized "rate" parameter, added start/stop/startunix/stopunix params for progressive HTTP outputs

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This commit is contained in:
Thulinma 2018-10-24 23:18:45 +02:00
parent 2bbbf51fb3
commit df6862fb0a
3 changed files with 99 additions and 19 deletions
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78
src/output/output.cpp
View file

@ -105,6 +105,14 @@ namespace Mist{
INFO_MSG("Not modifying target (%s), no options present", tgt.c_str());
}
}
if (targetParams.count("rate")){
long long int multiplier = JSON::Value(targetParams["rate"]).asInt();
if (multiplier){
realTime = 1000 / multiplier;
}else{
realTime = 0;
}
}
/*LTS-END*/
}
@ -994,7 +1002,7 @@ namespace Mist{
}
/*LTS-START*/
if (isRecordingToFile){
if (myMeta.live && targetParams.count("recstartunix") || targetParams.count("recstopunix")){
if (myMeta.live && (targetParams.count("recstartunix") || targetParams.count("recstopunix"))){
uint64_t unixStreamBegin = Util::epoch() - (liveTime() / 1000);
if (targetParams.count("recstartunix")){
long long startUnix = atoll(targetParams["recstartunix"].c_str());
@ -1054,6 +1062,69 @@ namespace Mist{
INFO_MSG("Recording will start at %lld", startRec);
seekPos = startRec;
}
}else{
if (myMeta.live && (targetParams.count("startunix") || targetParams.count("stopunix"))){
uint64_t unixStreamBegin = Util::epoch() - (liveTime() / 1000);
if (targetParams.count("startunix")){
long long startUnix = atoll(targetParams["startunix"].c_str());
if (startUnix < 0){startUnix += Util::epoch();}
if (startUnix < unixStreamBegin){
WARN_MSG("Start time is earlier than stream begin - starting earliest possible");
targetParams["start"] = "-1";
}else{
targetParams["start"] = JSON::Value((long long)((startUnix - unixStreamBegin)*1000)).asString();
}
}
if (targetParams.count("stopunix")){
long long stopUnix = atoll(targetParams["stopunix"].c_str());
if (stopUnix < 0){stopUnix += Util::epoch();}
if (stopUnix < unixStreamBegin){
FAIL_MSG("Stop time is earlier than stream begin - aborting");
onFail();
return;
}else{
targetParams["stop"] = JSON::Value((long long)((stopUnix - unixStreamBegin)*1000)).asString();
}
}
}
if (targetParams.count("stop")){
long long endRec = atoll(targetParams["stop"].c_str());
if (endRec < 0 || endRec < startTime()){
FAIL_MSG("Entire range is in the past");
onFail();
return;
}
INFO_MSG("Playback will stop at %lld", endRec);
}
if (targetParams.count("start") && atoll(targetParams["start"].c_str()) != 0){
unsigned long int mainTrack = getMainSelectedTrack();
long long startRec = atoll(targetParams["start"].c_str());
if (startRec > 0 && startRec > myMeta.tracks[mainTrack].lastms){
if (myMeta.vod){
FAIL_MSG("Playback start past end of non-live source");
onFail();
return;
}
INFO_MSG("Waiting for stream to reach playback starting point");
long unsigned int streamAvail = myMeta.tracks[mainTrack].lastms;
long unsigned int lastUpdated = Util::getMS();
while (Util::getMS() - lastUpdated < 5000 && startRec > streamAvail && keepGoing()){
Util::sleep(500);
updateMeta();
if (myMeta.tracks[mainTrack].lastms > streamAvail){
stats();
streamAvail = myMeta.tracks[mainTrack].lastms;
lastUpdated = Util::getMS();
}
}
}
if (startRec < 0 || startRec < startTime()){
WARN_MSG("Playback begin at %llu ms not available, starting at %llu ms instead", startRec, startTime());
startRec = startTime();
}
INFO_MSG("Playback will start at %lld", startRec);
seekPos = startRec;
}
}
/*LTS-END*/
MEDIUM_MSG("Initial seek to %llums", seekPos);
@ -1244,6 +1315,11 @@ namespace Mist{
if (!onFinish()){
break;
}
}else if (targetParams.count("stop") && atoll(targetParams["stop"].c_str()) < lastPacketTime){
INFO_MSG("End of planned playback reached, shutting down");
if (!onFinish()){
break;
}
}
sendNext();
}else{

22
src/output/output_http.cpp
View file

@ -267,6 +267,28 @@ namespace Mist {
if (H.GetVar("audio") != ""){targetParams["audio"] = H.GetVar("audio");}
if (H.GetVar("video") != ""){targetParams["video"] = H.GetVar("video");}
if (H.GetVar("subtitle") != ""){targetParams["subtitle"] = H.GetVar("subtitle");}
if (H.GetVar("start") != ""){targetParams["start"] = H.GetVar("start");}
if (H.GetVar("stop") != ""){targetParams["stop"] = H.GetVar("stop");}
if (H.GetVar("startunix") != ""){targetParams["startunix"] = H.GetVar("startunix");}
if (H.GetVar("stopunix") != ""){targetParams["stopunix"] = H.GetVar("stopunix");}
//allow setting of play back rate through buffer variable.
//play back rate is set in MS per second, but the variable is a simple multiplier.
if (H.GetVar("rate") != ""){
long long int multiplier = JSON::Value(H.GetVar("rate")).asInt();
if (multiplier){
realTime = 1000 / multiplier;
}else{
realTime = 0;
}
}
if (H.GetHeader("X-Mist-Rate") != ""){
long long int multiplier = JSON::Value(H.GetHeader("X-Mist-Rate")).asInt();
if (multiplier){
realTime = 1000 / multiplier;
}else{
realTime = 0;
}
}
//Handle upgrade to websocket if the output supports it
if (doesWebsockets() && H.GetHeader("Upgrade") == "websocket"){
INFO_MSG("Switching to Websocket mode");

18
src/output/output_progressive_mp4.cpp
View file

@ -747,24 +747,6 @@ namespace Mist{
if (H.GetVar("buffer") != ""){
maxSkipAhead = JSON::Value(H.GetVar("buffer")).asInt() * 1000;
}
//allow setting of play back rate through buffer variable.
//play back rate is set in MS per second, but the variable is a simple multiplier.
if (H.GetVar("rate") != ""){
long long int multiplier = JSON::Value(H.GetVar("rate")).asInt();
if (multiplier){
realTime = 1000 / multiplier;
}else{
realTime = 0;
}
}
if (H.GetHeader("X-Mist-Rate") != ""){
long long int multiplier = JSON::Value(H.GetHeader("X-Mist-Rate")).asInt();
if (multiplier){
realTime = 1000 / multiplier;
}else{
realTime = 0;
}
}
//Set mode to key frames only for video tracks
keysOnly = atoi(H.GetVar("keysonly").c_str());