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Progressive now works with continuously updated metadata

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This commit is contained in:
Erik Zandvliet 2013-02-19 22:04:04 +01:00 • committed by Thulinma
parent 6644132762
commit ddf4983836
3 changed files with 111 additions and 85 deletions
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145
src/buffer.cpp
View file

@ -64,71 +64,76 @@ namespace Buffer {
while (usr->S.connected()){
usleep(5000); //sleep 5ms
if( !usr->Send()){
if (usr->S.spool()){
while (usr->S.Received().size()){
//delete anything that doesn't end with a newline
if ( !usr->S.Received().get().empty() && *(usr->S.Received().get().rbegin()) != '\n'){
usr->S.Received().get().clear();
continue;
}
usr->S.Received().get().resize(usr->S.Received().get().size() - 1);
if ( !usr->S.Received().get().empty()){
switch (usr->S.Received().get()[0]){
case 'P': { //Push
std::cout << "Push attempt from IP " << usr->S.Received().get().substr(2) << std::endl;
if (thisStream->checkWaitingIP(usr->S.Received().get().substr(2))){
usr->S.Received().get().clear();
if (thisStream->setInput(usr->S)){
std::cout << "Push accepted!" << std::endl;
usr->S = Socket::Connection( -1);
return;
}else{
usr->Disconnect("Push denied - push already in progress!");
}
}else{
usr->Disconnect("Push denied - invalid IP address!");
}
break;
}
case 'S': { //Stats
usr->tmpStats = Stats(usr->S.Received().get().substr(2));
unsigned int secs = usr->tmpStats.conntime - usr->lastStats.conntime;
if (secs < 1){
secs = 1;
}
usr->curr_up = (usr->tmpStats.up - usr->lastStats.up) / secs;
usr->curr_down = (usr->tmpStats.down - usr->lastStats.down) / secs;
usr->lastStats = usr->tmpStats;
thisStream->saveStats(usr->MyStr, usr->tmpStats);
break;
}
case 's': { //second-seek
unsigned int ms = JSON::Value(usr->S.Received().get().substr(2)).asInt();
usr->myRing.waiting = false;
usr->myRing.starved = false;
usr->myRing.b = thisStream->getStream()->msSeek(ms);
break;
}
case 'f': { //frame-seek
//ignored for now
break;
}
case 'p': { //play
//ignored for now
break;
}
case 'o': { //once-play
//ignored for now
break;
}
case 'q': { //quit-playing
//ignored for now
break;
}
if( !usr->myRing->playCount || !usr->Send()){
if (usr->S.spool()){
while (usr->S.Received().size()){
//delete anything that doesn't end with a newline
if ( !usr->S.Received().get().empty() && *(usr->S.Received().get().rbegin()) != '\n'){
usr->S.Received().get().clear();
continue;
}
usr->S.Received().get().resize(usr->S.Received().get().size() - 1);
if ( !usr->S.Received().get().empty()){
switch (usr->S.Received().get()[0]){
case 'P': { //Push
std::cout << "Push attempt from IP " << usr->S.Received().get().substr(2) << std::endl;
if (thisStream->checkWaitingIP(usr->S.Received().get().substr(2))){
usr->S.Received().get().clear();
if (thisStream->setInput(usr->S)){
std::cout << "Push accepted!" << std::endl;
usr->S = Socket::Connection( -1);
return;
}else{
usr->Disconnect("Push denied - push already in progress!");
}
}else{
usr->Disconnect("Push denied - invalid IP address!");
}
break;
}
case 'S': { //Stats
usr->tmpStats = Stats(usr->S.Received().get().substr(2));
unsigned int secs = usr->tmpStats.conntime - usr->lastStats.conntime;
if (secs < 1){
secs = 1;
}
usr->curr_up = (usr->tmpStats.up - usr->lastStats.up) / secs;
usr->curr_down = (usr->tmpStats.down - usr->lastStats.down) / secs;
usr->lastStats = usr->tmpStats;
thisStream->saveStats(usr->MyStr, usr->tmpStats);
break;
}
case 's': { //second-seek
unsigned int ms = JSON::Value(usr->S.Received().get().substr(2)).asInt();
usr->myRing->waiting = false;
usr->myRing->starved = false;
usr->myRing->b = thisStream->getStream()->msSeek(ms);
if (usr->myRing->playCount > 0 ) {
usr->myRing->playCount = 0;
}
break;
}
case 'f': { //frame-seek
//ignored for now
break;
}
case 'p': { //play
usr->myRing->playCount = -1;
break;
}
case 'o': { //once-play
if (usr->myRing->playCount >= 0 ) {
usr->myRing->playCount++;
}
break;
}
case 'q': { //quit-playing
usr->myRing->playCount = 0;
break;
}
}
usr->S.Received().get().clear();
}
usr->S.Received().get().clear();
}
}
}
}
@ -152,30 +157,22 @@ namespace Buffer {
//slow down packet receiving to real-time
now = getNowMS();
if ((now - timeDiff >= lastPacket) || (lastPacket - (now - timeDiff) > 15000)){
fprintf( stderr, "Obtaining write lock... " );
thisStream->getWriteLock();
fprintf( stderr, "Done.\n" );
if (thisStream->getStream()->parsePacket(inBuffer)){
fprintf( stderr, "Receiving a packet... " );
thisStream->getStream()->outPacket(0);
lastPacket = thisStream->getStream()->getTime();
if ((now - timeDiff - lastPacket) > 15000 || (now - timeDiff - lastPacket < -15000)){
timeDiff = now - lastPacket;
}
thisStream->dropWriteLock(true);
fprintf( stderr, "Done.\n" );
}else{
fprintf( stderr, "Not receiving a packet... " );
thisStream->dropWriteLock(false);
std::cin.read(charBuffer, 1024 * 10);
charCount = std::cin.gcount();
inBuffer.append(charBuffer, charCount);
fprintf( stderr, "Done.\n" );
}
}else{
fprintf( stderr, "Sleeping: %d...", std::min(14999LL, lastPacket - (now - timeDiff)) * 1000 );
usleep(std::min(14999LL, lastPacket - (now - timeDiff)) * 1000);
fprintf( stderr, "Done.\n" );
}
}
buffer_running = false;
@ -222,6 +219,8 @@ namespace Buffer {
"{\"arg_num\":2, \"arg\":\"string\", \"default\":\"\", \"help\":\"IP address to expect incoming data from. This will completely disable reading from standard input if used.\"}"));
conf.addOption("reportstats",
JSON::fromString("{\"default\":0, \"help\":\"Report stats to a controller process.\", \"short\":\"s\", \"long\":\"reportstats\"}"));
conf.addOption("time",
JSON::fromString("{\"default\":0, \"arg\": \"integer\", \"help\":\"Buffer a specied amount of time in ms.\", \"short\":\"t\", \"long\":\"time\"}"));
conf.parseArgs(argc, argv);
std::string name = conf.getString("stream_name");
@ -234,6 +233,7 @@ namespace Buffer {
conf.activate();
thisStream = Stream::get();
thisStream->setName(name);
thisStream->getStream()->setBufferTime(conf.getInteger("time"));
Socket::Connection incoming;
Socket::Connection std_input(fileno(stdin));
@ -251,6 +251,7 @@ namespace Buffer {
}
while (buffer_running && SS.connected() && conf.is_active){
fprintf( stderr, "Still running\n" );
//check for new connections, accept them if there are any
//starts a thread for every accepted connection
incoming = SS.accept(true);

42
src/buffer_user.cpp
View file

@ -66,11 +66,25 @@ bool Buffer::user::Send(){
} //cancel if not connected
if (myRing->waiting){
Stream::get()->waitForData();
if( myRing->updated ) {
Stream::get()->getReadLock();
S.SendNow( Stream::get()->getStream()->metadata.toNetPacked() );
Stream::get()->dropReadLock();
myRing->updated = false;
if( !myRing->waiting ) {
if (Stream::get()->getStream()->getPacket(myRing->b).isMember("keyframe") && myRing->playCount > 0){
myRing->playCount --;
if (!myRing->playCount){
fprintf( stderr, "Sending Pausemark\n" );
JSON::Value pausemark;
pausemark["datatype"] = "pause_marker";
pausemark["time"] = Stream::get()->getStream()->getPacket(myRing->b)["time"].asInt();
pausemark.toPacked();
S.SendNow(pausemark.toNetPacked());
}
}
if (myRing->updated){
fprintf( stderr, "Sent new metadata\n" );
Stream::get()->getReadLock();
S.SendNow( Stream::get()->getStream()->metadata.toNetPacked() );
Stream::get()->dropReadLock();
myRing->updated = false;
}
}
return false;
} //still waiting for next buffer?
@ -92,16 +106,28 @@ bool Buffer::user::Send(){
} //no next buffer? go in waiting mode.
myRing->b--;
if( myRing->updated ) {
fprintf( stderr, "Sent new metadata\n" );
Stream::get()->getReadLock();
S.SendNow( Stream::get()->getStream()->metadata.toNetPacked() );
Stream::get()->dropReadLock();
myRing->updated = false;
}
Stream::get()->dropReadLock();
return true;
} //completed a send
if (Stream::get()->getStream()->getPacket(myRing->b).isMember("keyframe") && myRing->playCount > 0){
myRing->playCount --;
if (!myRing->playCount){
fprintf( stderr, "Sending Pausemark\n" );
JSON::Value pausemark;
pausemark["datatype"] = "pause_marker";
pausemark["time"] = Stream::get()->getStream()->getPacket(myRing->b)["time"].asInt();
pausemark.toPacked();
S.SendNow(pausemark.toNetPacked());
}
}
return false;
}//completed a send
Stream::get()->dropReadLock();
return false;
return true;
} //send
/// Default constructor - should not be in use.

9
src/conn_http_dynamic.cpp
View file

@ -131,11 +131,10 @@ namespace Connector_HTTP {
"<deliveryType>streaming</deliveryType>\n"
"<bootstrapInfo profile=\"named\" id=\"bootstrap1\">" + Base64::encode(GenerateBootstrap(MovieId, metadata, 1, 0, 0))
+ "</bootstrapInfo>\n"
"<media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"" + MovieId
+ "/\">\n"
"<metadata>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</metadata>\n"
"</media>\n"
"</manifest>\n";
"<media streamId=\"1\" bootstrapInfoId=\"bootstrap1\" url=\"" + MovieId + "/\">\n"
"<metadata>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</metadata>\n"
"</media>\n"
"</manifest>\n";
}else{
Result = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
"<manifest xmlns=\"http://ns.adobe.com/f4m/1.0\">\n"