101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
#include "output_srt.h"
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#include <mist/http_parser.h>
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#include <mist/defines.h>
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#include <mist/checksum.h>
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#include <iomanip>
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namespace Mist {
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OutProgressiveSRT::OutProgressiveSRT(Socket::Connection & conn) : HTTPOutput(conn){realTime = 0;}
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OutProgressiveSRT::~OutProgressiveSRT() {}
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void OutProgressiveSRT::init(Util::Config * cfg){
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HTTPOutput::init(cfg);
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capa["name"] = "SRT";
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capa["friendly"] = "SubRip/WebVTT over HTTP";
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capa["desc"] = "Pseudostreaming in SubRip Text (SRT) and WebVTT formats over HTTP";
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capa["url_match"].append("/$.srt");
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capa["url_match"].append("/$.vtt");
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capa["codecs"][0u][0u].append("srt");
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capa["codecs"][0u][0u].append("TTXT");
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capa["methods"][0u]["handler"] = "http";
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capa["methods"][0u]["type"] = "html5/text/plain";
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capa["methods"][0u]["priority"] = 8ll;
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capa["methods"][0u]["url_rel"] = "/$.srt";
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capa["methods"][1u]["handler"] = "http";
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capa["methods"][1u]["type"] = "html5/text/vtt";
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capa["methods"][1u]["priority"] = 9ll;
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capa["methods"][1u]["url_rel"] = "/$.vtt";
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}
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void OutProgressiveSRT::sendNext(){
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char * dataPointer = 0;
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size_t len = 0;
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thisPacket.getString("data", dataPointer, len);
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//ignore empty subs
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if (len == 0 || (len == 1 && dataPointer[0] == ' ')){
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return;
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}
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std::stringstream tmp;
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if(!webVTT) {
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tmp << lastNum++ << std::endl;
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}
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long long unsigned int time = thisPacket.getTime();
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char tmpBuf[50];
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int tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu.%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
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tmp.write(tmpBuf, tmpLen);
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tmp << " --> ";
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time += thisPacket.getInt("duration");
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if (time == thisPacket.getTime()){
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time += len * 75 + 800;
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}
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tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu.%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
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tmp.write(tmpBuf, tmpLen);
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tmp << std::endl;
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myConn.SendNow(tmp.str());
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//prevent double newlines
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if (dataPointer[len-1] == '\n'){--dataPointer;}
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myConn.SendNow(dataPointer, len);
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myConn.SendNow("\n\n");
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}
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void OutProgressiveSRT::sendHeader(){
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H.setCORSHeaders();
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if (webVTT){
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H.SetHeader("Content-Type", "text/vtt; charset=utf-8");
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}else{
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H.SetHeader("Content-Type", "text/plain; charset=utf-8");
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}
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H.protocol = "HTTP/1.0";
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H.SendResponse("200", "OK", myConn);
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if (webVTT){
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myConn.SendNow("WEBVTT\n\n");
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}
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sentHeader = true;
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}
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void OutProgressiveSRT::onHTTP(){
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std::string method = H.method;
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webVTT = (H.url.find(".vtt") != std::string::npos);
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if (H.GetVar("track") != ""){
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selectedTracks.clear();
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selectedTracks.insert(JSON::Value(H.GetVar("track")).asInt());
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}
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H.Clean();
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H.setCORSHeaders();
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if(method == "OPTIONS" || method == "HEAD"){
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if (webVTT){
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H.SetHeader("Content-Type", "text/vtt; charset=utf-8");
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}else{
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H.SetHeader("Content-Type", "text/plain; charset=utf-8");
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}
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H.protocol = "HTTP/1.0";
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H.SendResponse("200", "OK", myConn);
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H.Clean();
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return;
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}
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lastNum = 0;
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parseData = true;
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wantRequest = false;
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}
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}
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