mistserver/src/converters/dtsc2flv.cpp

80 lines
2.6 KiB
C++

/// \file dtsc2flv.cpp
/// Contains the code that will transform any valid DTSC input into valid FLVs.
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <cstdlib>
#include <cstdio>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <mist/flv_tag.h> //FLV support
#include <mist/dtsc.h> //DTSC support
#include <mist/amf.h> //AMF support
#include <mist/config.h>
///\brief Holds everything unique to converters.
namespace Converters {
///\brief Converts DTSC from stdin to FLV on stdout.
///\return The return code for the converter.
int DTSC2FLV(){
FLV::Tag FLV_out; // Temporary storage for outgoing FLV data.
DTSC::Stream Strm;
std::string inBuffer;
char charBuffer[1024 * 10];
unsigned int charCount;
bool doneheader = false;
int videoID = -1, audioID = -1;
while (std::cin.good()){
if (Strm.parsePacket(inBuffer)){
if ( !doneheader){
//find first audio and video tracks
for (JSON::ObjIter objIt = Strm.metadata["tracks"].ObjBegin(); objIt != Strm.metadata["tracks"].ObjEnd(); objIt++){
if (videoID == -1 && objIt->second["type"].asString() == "video"){
videoID = objIt->second["trackid"].asInt();
}
if (audioID == -1 && objIt->second["type"].asString() == "audio"){
audioID = objIt->second["trackid"].asInt();
}
}
doneheader = true;
std::cout.write(FLV::Header, 13);
FLV_out.DTSCMetaInit(Strm, Strm.getTrackById(videoID), Strm.getTrackById(audioID));
std::cout.write(FLV_out.data, FLV_out.len);
if (videoID && Strm.getTrackById(videoID).isMember("init")){
FLV_out.DTSCVideoInit(Strm.getTrackById(videoID));
std::cout.write(FLV_out.data, FLV_out.len);
}
if (audioID && Strm.getTrackById(audioID).isMember("init")){
FLV_out.DTSCAudioInit(Strm.getTrackById(audioID));
std::cout.write(FLV_out.data, FLV_out.len);
}
}
if (FLV_out.DTSCLoader(Strm)){
std::cout.write(FLV_out.data, FLV_out.len);
}
}else{
std::cin.read(charBuffer, 1024 * 10);
charCount = std::cin.gcount();
inBuffer.append(charBuffer, charCount);
}
}
std::cerr << "Done!" << std::endl;
return 0;
} //FLV2DTSC
} //Converter namespace
/// Entry point for DTSC2FLV, simply calls Converters::DTSC2FLV().
int main(int argc, char ** argv){
Util::Config conf = Util::Config(argv[0], PACKAGE_VERSION);
conf.parseArgs(argc, argv);
return Converters::DTSC2FLV();
} //main