662 lines
23 KiB
C++
662 lines
23 KiB
C++
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <semaphore.h>
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#include <iterator> //std::distance
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#include <mist/stream.h>
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#include <mist/defines.h>
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#include <mist/http_parser.h>
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#include <mist/timing.h>
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#include "output.h"
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namespace Mist {
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JSON::Value Output::capa = JSON::Value();
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int getDTSCLen(char * mapped, long long int offset){
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return ntohl(((int*)(mapped + offset))[1]);
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}
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unsigned long long getDTSCTime(char * mapped, long long int offset){
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char * timePoint = mapped + offset + 12;
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return ((long long int)timePoint[0] << 56) | ((long long int)timePoint[1] << 48) | ((long long int)timePoint[2] << 40) | ((long long int)timePoint[3] << 32) | ((long long int)timePoint[4] << 24) | ((long long int)timePoint[5] << 16) | ((long long int)timePoint[6] << 8) | timePoint[7];
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}
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void Output::init(Util::Config * cfg){
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capa["optional"]["debug"]["name"] = "debug";
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capa["optional"]["debug"]["help"] = "The debug level at which messages need to be printed.";
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capa["optional"]["debug"]["option"] = "--debug";
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capa["optional"]["debug"]["type"] = "debug";
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}
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Output::Output(Socket::Connection & conn) : myConn(conn) {
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firstTime = 0;
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crc = getpid();
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parseData = false;
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wantRequest = true;
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sought = false;
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isInitialized = false;
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isBlocking = false;
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lastStats = 0;
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maxSkipAhead = 7500;
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minSkipAhead = 5000;
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realTime = 1000;
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if (myConn){
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setBlocking(true);
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}else{
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DEBUG_MSG(DLVL_WARN, "Warning: MistOut created with closed socket!");
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}
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sentHeader = false;
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}
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void Output::setBlocking(bool blocking){
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isBlocking = blocking;
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myConn.setBlocking(isBlocking);
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}
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Output::~Output(){}
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void Output::updateMeta(){
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//read metadata from page to myMeta variable
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static char liveSemName[NAME_BUFFER_SIZE];
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snprintf(liveSemName, NAME_BUFFER_SIZE, SEM_LIVE, streamName.c_str());
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IPC::semaphore liveMeta(liveSemName, O_CREAT | O_RDWR, ACCESSPERMS, 1);
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bool lock = myMeta.live;
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if (lock){
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liveMeta.wait();
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}
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if (metaPages[0].mapped){
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DTSC::Packet tmpMeta(metaPages[0].mapped, metaPages[0].len, true);
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if (tmpMeta.getVersion()){
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myMeta.reinit(tmpMeta);
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}
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}
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if (lock){
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liveMeta.post();
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}
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}
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/// Called when stream initialization has failed.
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/// The standard implementation will set isInitialized to false and close the client connection,
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/// thus causing the process to exit cleanly.
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void Output::onFail(){
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isInitialized = false;
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myConn.close();
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}
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void Output::initialize(){
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if (isInitialized){
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return;
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}
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if (metaPages[0].mapped){
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return;
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}
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if (streamName.size() < 1){
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return; //abort - no stream to initialize...
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}
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if (!Util::startInput(streamName)){
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DEBUG_MSG(DLVL_FAIL, "Opening stream disallowed - aborting initalization");
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onFail();
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return;
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}
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isInitialized = true;
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char pageId[NAME_BUFFER_SIZE];
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snprintf(pageId, NAME_BUFFER_SIZE, SHM_STREAM_INDEX, streamName.c_str());
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metaPages[0].init(pageId, DEFAULT_META_PAGE_SIZE);
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if (!metaPages[0].mapped){
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DEBUG_MSG(DLVL_FAIL, "Could not connect to server for %s\n", streamName.c_str());
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onFail();
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return;
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}
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statsPage = IPC::sharedClient(SHM_STATISTICS, STAT_EX_SIZE, true);
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char userPageName[NAME_BUFFER_SIZE];
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snprintf(userPageName, NAME_BUFFER_SIZE, SHM_USERS, streamName.c_str());
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if (!userClient.getData()){
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userClient = IPC::sharedClient(userPageName, PLAY_EX_SIZE, true);
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}
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updateMeta();
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selectDefaultTracks();
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sought = false;
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}
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void Output::selectDefaultTracks(){
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if (!isInitialized){
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initialize();
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return;
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}
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//check which tracks don't actually exist
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std::set<unsigned long> toRemove;
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for (std::set<unsigned long>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
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if (!myMeta.tracks.count(*it)){
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toRemove.insert(*it);
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}
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}
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//remove those from selectedtracks
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for (std::set<unsigned long>::iterator it = toRemove.begin(); it != toRemove.end(); it++){
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selectedTracks.erase(*it);
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}
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//loop through all codec combinations, count max simultaneous active
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unsigned int bestSoFar = 0;
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unsigned int bestSoFarCount = 0;
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unsigned int index = 0;
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for (JSON::ArrIter it = capa["codecs"].ArrBegin(); it != capa["codecs"].ArrEnd(); it++){
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unsigned int genCounter = 0;
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unsigned int selCounter = 0;
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if ((*it).size() > 0){
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for (JSON::ArrIter itb = (*it).ArrBegin(); itb != (*it).ArrEnd(); itb++){
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if ((*itb).size() > 0){
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bool found = false;
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for (JSON::ArrIter itc = (*itb).ArrBegin(); itc != (*itb).ArrEnd() && !found; itc++){
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for (std::set<unsigned long>::iterator itd = selectedTracks.begin(); itd != selectedTracks.end(); itd++){
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if (myMeta.tracks[*itd].codec == (*itc).asStringRef()){
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selCounter++;
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found = true;
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break;
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}
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}
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if (!found){
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for (std::map<unsigned int,DTSC::Track>::iterator trit = myMeta.tracks.begin(); trit != myMeta.tracks.end(); trit++){
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if (trit->second.codec == (*itc).asStringRef()){
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genCounter++;
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found = true;
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break;
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}
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}
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}
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}
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}
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}
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if (selCounter == selectedTracks.size()){
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if (selCounter + genCounter > bestSoFarCount){
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bestSoFarCount = selCounter + genCounter;
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bestSoFar = index;
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DEBUG_MSG(DLVL_HIGH, "Match (%u/%u): %s", selCounter, selCounter+genCounter, (*it).toString().c_str());
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}
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}else{
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DEBUG_MSG(DLVL_VERYHIGH, "Not a match for currently selected tracks: %s", (*it).toString().c_str());
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}
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}
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index++;
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}
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DEBUG_MSG(DLVL_MEDIUM, "Trying to fill: %s", capa["codecs"][bestSoFar].toString().c_str());
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//try to fill as many codecs simultaneously as possible
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if (capa["codecs"][bestSoFar].size() > 0){
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for (JSON::ArrIter itb = capa["codecs"][bestSoFar].ArrBegin(); itb != capa["codecs"][bestSoFar].ArrEnd(); itb++){
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if ((*itb).size() && myMeta.tracks.size()){
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bool found = false;
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for (JSON::ArrIter itc = (*itb).ArrBegin(); itc != (*itb).ArrEnd() && !found; itc++){
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for (std::set<unsigned long>::iterator itd = selectedTracks.begin(); itd != selectedTracks.end(); itd++){
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if (myMeta.tracks[*itd].codec == (*itc).asStringRef()){
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found = true;
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break;
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}
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}
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if (!found){
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for (std::map<unsigned int,DTSC::Track>::iterator trit = myMeta.tracks.begin(); trit != myMeta.tracks.end(); trit++){
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if (trit->second.codec == (*itc).asStringRef()){
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selectedTracks.insert(trit->first);
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found = true;
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break;
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}
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}
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}
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}
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}
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}
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}
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if (Util::Config::printDebugLevel >= DLVL_MEDIUM){
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//print the selected tracks
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std::stringstream selected;
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if (selectedTracks.size()){
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for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
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if (it != selectedTracks.begin()){
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selected << ", ";
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}
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selected << (*it);
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}
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}
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DEBUG_MSG(DLVL_MEDIUM, "Selected tracks: %s (%lu)", selected.str().c_str(), selectedTracks.size());
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}
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}
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/// Clears the buffer, sets parseData to false, and generally makes not very much happen at all.
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void Output::stop(){
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buffer.clear();
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parseData = false;
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}
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unsigned int Output::getKeyForTime(long unsigned int trackId, long long timeStamp){
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DTSC::Track & trk = myMeta.tracks[trackId];
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if (!trk.keys.size()){
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return 0;
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}
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unsigned int keyNo = trk.keys.begin()->getNumber();
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unsigned int partCount = 0;
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std::deque<DTSC::Key>::iterator it;
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for (it = trk.keys.begin(); it != trk.keys.end() && it->getTime() <= timeStamp; it++){
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keyNo = it->getNumber();
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partCount += it->getParts();
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}
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//if the time is before the next keyframe but after the last part, correctly seek to next keyframe
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if (partCount && it != trk.keys.end() && timeStamp > it->getTime() - trk.parts[partCount-1].getDuration()){
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++keyNo;
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}
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return keyNo;
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}
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int Output::pageNumForKey(long unsigned int trackId, long long int keyNum){
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if (!metaPages.count(trackId)){
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char id[NAME_BUFFER_SIZE];
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snprintf(id, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), trackId);
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metaPages[trackId].init(id, 8 * 1024);
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}
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int len = metaPages[trackId].len / 8;
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for (int i = 0; i < len; i++){
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int * tmpOffset = (int *)(metaPages[trackId].mapped + (i * 8));
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long amountKey = ntohl(tmpOffset[1]);
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if (amountKey == 0){continue;}
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long tmpKey = ntohl(tmpOffset[0]);
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if (tmpKey <= keyNum && ((tmpKey?tmpKey:1) + amountKey) > keyNum){
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return tmpKey;
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}
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}
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return -1;
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}
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void Output::loadPageForKey(long unsigned int trackId, long long int keyNum){
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if (myMeta.vod && keyNum > myMeta.tracks[trackId].keys.rbegin()->getNumber()){
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curPage.erase(trackId);
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currKeyOpen.erase(trackId);
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return;
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}
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DEBUG_MSG(DLVL_HIGH, "Loading track %lu, containing key %lld", trackId, keyNum);
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unsigned int timeout = 0;
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unsigned long pageNum = pageNumForKey(trackId, keyNum);
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while (pageNum == -1){
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if (!timeout){
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DEBUG_MSG(DLVL_VERYHIGH, "Requesting page with key %lu:%lld", trackId, keyNum);
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}
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if (timeout++ > 100){
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DEBUG_MSG(DLVL_FAIL, "Timeout while waiting for requested page. Aborting.");
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curPage.erase(trackId);
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currKeyOpen.erase(trackId);
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return;
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}
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if (keyNum){
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nxtKeyNum[trackId] = keyNum-1;
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}else{
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nxtKeyNum[trackId] = 0;
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}
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stats();
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Util::sleep(100);
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pageNum = pageNumForKey(trackId, keyNum);
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}
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if (keyNum){
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nxtKeyNum[trackId] = keyNum-1;
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}else{
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nxtKeyNum[trackId] = 0;
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}
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stats();
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nxtKeyNum[trackId] = pageNum;
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if (currKeyOpen.count(trackId) && currKeyOpen[trackId] == (unsigned int)pageNum){
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return;
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}
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char id[NAME_BUFFER_SIZE];
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snprintf(id, NAME_BUFFER_SIZE, SHM_TRACK_DATA, streamName.c_str(), trackId, pageNum);
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curPage[trackId].init(id, DEFAULT_DATA_PAGE_SIZE);
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if (!(curPage[trackId].mapped)){
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DEBUG_MSG(DLVL_FAIL, "Initializing page %s failed", curPage[trackId].name.c_str());
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return;
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}
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currKeyOpen[trackId] = pageNum;
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}
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/// Prepares all tracks from selectedTracks for seeking to the specified ms position.
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void Output::seek(unsigned long long pos){
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sought = true;
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firstTime = Util::getMS() - pos;
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if (!isInitialized){
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initialize();
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}
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buffer.clear();
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thisPacket.null();
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if (myMeta.live){
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updateMeta();
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}
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DEBUG_MSG(DLVL_MEDIUM, "Seeking to %llums", pos);
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for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
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seek(*it, pos);
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}
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}
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bool Output::seek(unsigned int tid, unsigned long long pos, bool getNextKey){
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loadPageForKey(tid, getKeyForTime(tid, pos) + (getNextKey?1:0));
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if (!curPage.count(tid) || !curPage[tid].mapped){
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DEBUG_MSG(DLVL_DEVEL, "Aborting seek to %llums in track %u, not available.", pos, tid);
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return false;
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}
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sortedPageInfo tmp;
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tmp.tid = tid;
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tmp.offset = 0;
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DTSC::Packet tmpPack;
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tmpPack.reInit(curPage[tid].mapped + tmp.offset, 0, true);
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tmp.time = tmpPack.getTime();
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char * mpd = curPage[tid].mapped;
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while ((long long)tmp.time < pos && tmpPack){
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tmp.offset += tmpPack.getDataLen();
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tmpPack.reInit(mpd + tmp.offset, 0, true);
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tmp.time = tmpPack.getTime();
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}
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if (tmpPack){
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buffer.insert(tmp);
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return true;
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}else{
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//don't print anything for empty packets - not sign of corruption, just unfinished stream.
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if (curPage[tid].mapped[tmp.offset] != 0){
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DEBUG_MSG(DLVL_FAIL, "Noes! Couldn't find packet on track %d because of some kind of corruption error or somesuch.", tid);
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}else{
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DEBUG_MSG(DLVL_FAIL, "Track %d no data (key %u @ %u) - waiting...", tid, getKeyForTime(tid, pos) + (getNextKey?1:0), tmp.offset);
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unsigned int i = 0;
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while (curPage[tid].mapped[tmp.offset] == 0 && ++i < 42){
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Util::wait(100);
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}
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if (curPage[tid].mapped[tmp.offset] == 0){
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DEBUG_MSG(DLVL_FAIL, "Track %d no data (key %u) - timeout", tid, getKeyForTime(tid, pos) + (getNextKey?1:0));
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}else{
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return seek(tid, pos, getNextKey);
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}
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}
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return false;
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}
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}
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void Output::requestHandler(){
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static bool firstData = true;//only the first time, we call onRequest if there's data buffered already.
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if ((firstData && myConn.Received().size()) || myConn.spool()){
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firstData = false;
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DEBUG_MSG(DLVL_DONTEVEN, "onRequest");
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onRequest();
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}else{
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if (!isBlocking && !parseData){
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Util::sleep(500);
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}
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}
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}
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int Output::run() {
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DEBUG_MSG(DLVL_MEDIUM, "MistOut client handler started");
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while (config->is_active && myConn.connected() && (wantRequest || parseData)){
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stats();
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if (wantRequest){
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requestHandler();
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}
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if (parseData){
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if (!isInitialized){
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initialize();
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}
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if ( !sentHeader){
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DEBUG_MSG(DLVL_DONTEVEN, "sendHeader");
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sendHeader();
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}
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prepareNext();
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if (thisPacket){
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sendNext();
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}else{
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if (!onFinish()){
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break;
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}
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}
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}
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}
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DEBUG_MSG(DLVL_MEDIUM, "MistOut client handler shutting down: %s, %s, %s", myConn.connected() ? "conn_active" : "conn_closed", wantRequest ? "want_request" : "no_want_request", parseData ? "parsing_data" : "not_parsing_data");
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stats();
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userClient.finish();
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statsPage.finish();
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myConn.close();
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return 0;
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}
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/// Returns the ID of the main selected track, or 0 if no tracks are selected.
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/// The main track is the first video track, if any, and otherwise the first other track.
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long unsigned int Output::getMainSelectedTrack(){
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if (!selectedTracks.size()){
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return 0;
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}
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for (std::set<long unsigned int>::iterator it = selectedTracks.begin(); it != selectedTracks.end(); it++){
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if (myMeta.tracks[*it].type == "video"){
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return *it;
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}
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}
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return *(selectedTracks.begin());
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}
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void Output::prepareNext(){
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static int nonVideoCount = 0;
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if (!sought){
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if (myMeta.live){
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long unsigned int mainTrack = getMainSelectedTrack();
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if (myMeta.tracks[mainTrack].keys.size() < 2){
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if (!myMeta.tracks[mainTrack].keys.size()){
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myConn.close();
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return;
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}else{
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seek(myMeta.tracks[mainTrack].keys.begin()->getTime());
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prepareNext();
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return;
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}
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}
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unsigned long long seekPos = myMeta.tracks[mainTrack].keys.rbegin()->getTime();
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if (seekPos < 5000){
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seekPos = 0;
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}
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seek(seekPos);
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}else{
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seek(0);
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}
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}
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static unsigned int emptyCount = 0;
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if (!buffer.size()){
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thisPacket.null();
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DEBUG_MSG(DLVL_DEVEL, "Buffer completely played out");
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onFinish();
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return;
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}
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sortedPageInfo nxt = *(buffer.begin());
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buffer.erase(buffer.begin());
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DEBUG_MSG(DLVL_DONTEVEN, "Loading track %u (next=%lu), %llu ms", nxt.tid, nxtKeyNum[nxt.tid], nxt.time);
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if (nxt.offset >= curPage[nxt.tid].len){
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nxtKeyNum[nxt.tid] = getKeyForTime(nxt.tid, thisPacket.getTime());
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loadPageForKey(nxt.tid, ++nxtKeyNum[nxt.tid]);
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nxt.offset = 0;
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if (curPage.count(nxt.tid) && curPage[nxt.tid].mapped){
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if (getDTSCTime(curPage[nxt.tid].mapped, nxt.offset) < nxt.time){
|
|
ERROR_MSG("Time going backwards in track %u - dropping track.", nxt.tid);
|
|
}else{
|
|
nxt.time = getDTSCTime(curPage[nxt.tid].mapped, nxt.offset);
|
|
buffer.insert(nxt);
|
|
}
|
|
prepareNext();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!curPage.count(nxt.tid) || !curPage[nxt.tid].mapped){
|
|
//mapping failure? Drop this track and go to next.
|
|
//not an error - usually means end of stream.
|
|
DEBUG_MSG(DLVL_DEVEL, "Track %u no page - dropping track.", nxt.tid);
|
|
prepareNext();
|
|
return;
|
|
}
|
|
|
|
//have we arrived at the end of the memory page? (4 zeroes mark the end)
|
|
if (!memcmp(curPage[nxt.tid].mapped + nxt.offset, "\000\000\000\000", 4)){
|
|
//if we don't currently know where we are, we're lost. We should drop the track.
|
|
if (!nxt.time){
|
|
DEBUG_MSG(DLVL_DEVEL, "Timeless empty packet on track %u - dropping track.", nxt.tid);
|
|
prepareNext();
|
|
return;
|
|
}
|
|
//if this is a live stream, we might have just reached the live point.
|
|
//check where the next key is
|
|
int nextPage = pageNumForKey(nxt.tid, nxtKeyNum[nxt.tid]+1);
|
|
//are we live, and the next key hasn't shown up on another page? then we're waiting.
|
|
if (myMeta.live && currKeyOpen.count(nxt.tid) && (currKeyOpen[nxt.tid] == (unsigned int)nextPage || nextPage == -1)){
|
|
if (myMeta && ++emptyCount < 42){
|
|
//we're waiting for new data. Simply retry.
|
|
buffer.insert(nxt);
|
|
}else{
|
|
//after ~10 seconds, give up and drop the track.
|
|
DEBUG_MSG(DLVL_DEVEL, "Empty packet on track %u @ key %lu (next=%d) - could not reload, dropping track.", nxt.tid, nxtKeyNum[nxt.tid]+1, nextPage);
|
|
}
|
|
//keep updating the metadata at 250ms intervals while waiting for more data
|
|
Util::sleep(250);
|
|
updateMeta();
|
|
}else{
|
|
//if we're not live, we've simply reached the end of the page. Load the next key.
|
|
nxtKeyNum[nxt.tid] = getKeyForTime(nxt.tid, thisPacket.getTime());
|
|
loadPageForKey(nxt.tid, ++nxtKeyNum[nxt.tid]);
|
|
nxt.offset = 0;
|
|
if (curPage.count(nxt.tid) && curPage[nxt.tid].mapped){
|
|
unsigned long long nextTime = getDTSCTime(curPage[nxt.tid].mapped, nxt.offset);
|
|
if (nextTime && nextTime < nxt.time){
|
|
DEBUG_MSG(DLVL_DEVEL, "Time going backwards in track %u - dropping track.", nxt.tid);
|
|
}else{
|
|
if (nextTime){
|
|
nxt.time = nextTime;
|
|
}
|
|
buffer.insert(nxt);
|
|
DEBUG_MSG(DLVL_MEDIUM, "Next page for track %u starts at %llu.", nxt.tid, nxt.time);
|
|
}
|
|
}else{
|
|
DEBUG_MSG(DLVL_DEVEL, "Could not load next memory page for track %u - dropping track.", nxt.tid);
|
|
}
|
|
}
|
|
prepareNext();
|
|
return;
|
|
}
|
|
thisPacket.reInit(curPage[nxt.tid].mapped + nxt.offset, 0, true);
|
|
if (thisPacket){
|
|
if (thisPacket.getTime() != nxt.time && nxt.time){
|
|
DEBUG_MSG(DLVL_MEDIUM, "ACTUALLY Loaded track %ld (next=%lu), %llu ms", thisPacket.getTrackId(), nxtKeyNum[nxt.tid], thisPacket.getTime());
|
|
}
|
|
if ((myMeta.tracks[nxt.tid].type == "video" && thisPacket.getFlag("keyframe")) || (++nonVideoCount % 30 == 0)){
|
|
if (myMeta.live){
|
|
updateMeta();
|
|
}
|
|
nxtKeyNum[nxt.tid] = getKeyForTime(nxt.tid, thisPacket.getTime());
|
|
DEBUG_MSG(DLVL_VERYHIGH, "Track %u @ %llums = key %lu", nxt.tid, thisPacket.getTime(), nxtKeyNum[nxt.tid]);
|
|
}
|
|
emptyCount = 0;
|
|
}
|
|
nxt.offset += thisPacket.getDataLen();
|
|
if (realTime){
|
|
while (nxt.time > (Util::getMS() - firstTime + maxSkipAhead)*1000/realTime) {
|
|
Util::sleep(nxt.time - (Util::getMS() - firstTime + minSkipAhead)*1000/realTime);
|
|
}
|
|
}
|
|
if (curPage[nxt.tid]){
|
|
if (nxt.offset < curPage[nxt.tid].len){
|
|
unsigned long long nextTime = getDTSCTime(curPage[nxt.tid].mapped, nxt.offset);
|
|
if (nextTime){
|
|
nxt.time = nextTime;
|
|
}else{
|
|
++nxt.time;
|
|
}
|
|
}
|
|
buffer.insert(nxt);
|
|
}
|
|
stats();
|
|
}
|
|
|
|
void Output::stats(){
|
|
static bool setHost = true;
|
|
if (!isInitialized){
|
|
return;
|
|
}
|
|
if (statsPage.getData()){
|
|
unsigned long long int now = Util::epoch();
|
|
if (now != lastStats){
|
|
lastStats = now;
|
|
IPC::statExchange tmpEx(statsPage.getData());
|
|
tmpEx.now(now);
|
|
if (setHost){
|
|
tmpEx.host(myConn.getBinHost());
|
|
setHost = false;
|
|
}
|
|
tmpEx.crc(crc);
|
|
tmpEx.streamName(streamName);
|
|
tmpEx.connector(capa["name"].asString());
|
|
tmpEx.up(myConn.dataUp());
|
|
tmpEx.down(myConn.dataDown());
|
|
tmpEx.time(now - myConn.connTime());
|
|
if (thisPacket){
|
|
tmpEx.lastSecond(thisPacket.getTime());
|
|
}else{
|
|
tmpEx.lastSecond(0);
|
|
}
|
|
statsPage.keepAlive();
|
|
}
|
|
}
|
|
int tNum = 0;
|
|
if (!userClient.getData()){
|
|
char userPageName[NAME_BUFFER_SIZE];
|
|
snprintf(userPageName, NAME_BUFFER_SIZE, SHM_USERS, streamName.c_str());
|
|
userClient = IPC::sharedClient(userPageName, PLAY_EX_SIZE, true);
|
|
if (!userClient.getData()){
|
|
DEBUG_MSG(DLVL_WARN, "Player connection failure - aborting output");
|
|
myConn.close();
|
|
return;
|
|
}
|
|
}
|
|
if (trackMap.size()){
|
|
for (std::map<unsigned long, unsigned long>::iterator it = trackMap.begin(); it != trackMap.end() && tNum < SIMUL_TRACKS; it++){
|
|
unsigned int tId = it->second;
|
|
char * thisData = userClient.getData() + (6 * tNum);
|
|
thisData[0] = ((tId >> 24) & 0xFF);
|
|
thisData[1] = ((tId >> 16) & 0xFF);
|
|
thisData[2] = ((tId >> 8) & 0xFF);
|
|
thisData[3] = ((tId) & 0xFF);
|
|
thisData[4] = 0xFF;
|
|
thisData[5] = 0xFF;
|
|
tNum ++;
|
|
}
|
|
}else{
|
|
for (std::set<unsigned long>::iterator it = selectedTracks.begin(); it != selectedTracks.end() && tNum < SIMUL_TRACKS; it++){
|
|
unsigned int tId = *it;
|
|
char * thisData = userClient.getData() + (6 * tNum);
|
|
thisData[0] = ((tId >> 24) & 0xFF);
|
|
thisData[1] = ((tId >> 16) & 0xFF);
|
|
thisData[2] = ((tId >> 8) & 0xFF);
|
|
thisData[3] = ((tId) & 0xFF);
|
|
thisData[4] = ((nxtKeyNum[tId] >> 8) & 0xFF);
|
|
thisData[5] = ((nxtKeyNum[tId]) & 0xFF);
|
|
tNum ++;
|
|
}
|
|
}
|
|
userClient.keepAlive();
|
|
if (tNum > SIMUL_TRACKS){
|
|
DEBUG_MSG(DLVL_WARN, "Too many tracks selected, using only first %d", SIMUL_TRACKS);
|
|
}
|
|
}
|
|
|
|
void Output::onRequest(){
|
|
//simply clear the buffer, we don't support any kind of input by default
|
|
myConn.Received().clear();
|
|
wantRequest = false;
|
|
}
|
|
|
|
void Output::sendHeader(){
|
|
//just set the sentHeader bool to true, by default
|
|
sentHeader = true;
|
|
}
|
|
}
|