Working multi-input

src/io.h

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+#pragma once
+
+#include <map>
+#include <deque>
+#include <mist/shared_memory.h>
+#include <mist/defines.h>
+#include <mist/dtsc.h>
+
+namespace Mist {
+  enum negotiationState {
+    FILL_NEW,///< New track, just sent negotiation request
+    FILL_NEG,///< Negotiating this track, written metadata
+    FILL_DEC,///< Declined Track
+    FILL_ACC///< Accepted Track
+  };
+
+  struct DTSCPageData {
+    DTSCPageData() : pageNum(0), keyNum(0), partNum(0), dataSize(0), curOffset(0), firstTime(0), lastKeyTime(-5000){}
+    unsigned long pageNum;///The current page number
+    unsigned long keyNum;///<The number of keyframes in this page.
+    unsigned long partNum;///<The number of parts in this page.
+    unsigned long long int dataSize;///<The full size this page should be.
+    unsigned long long int curOffset;///<The current write offset in the page.
+    unsigned long long int firstTime;///<The first timestamp of the page.
+    unsigned long lastKeyTime;///<The last key time encountered on this track.
+  };
+
+  ///\brief Class containing all basic input and output functions.
+  class InOutBase {
+    public:
+      void initiateMeta();
+      bool bufferStart(unsigned long tid, unsigned long pageNumber);
+      void bufferNext(DTSC::Packet & pack);
+      void bufferNext(JSON::Value & pack);
+      void bufferFinalize(unsigned long tid);
+      void bufferRemove(unsigned long tid, unsigned long pageNumber);
+      void bufferLivePacket(JSON::Value & packet);
+      bool isBuffered(unsigned long tid, unsigned long keyNum);
+      unsigned long bufferedOnPage(unsigned long tid, unsigned long keyNum);
+    protected:
+      bool standAlone;
+      static Util::Config * config;
+
+      void continueNegotiate(unsigned long tid);
+
+      DTSC::Packet thisPacket;//The current packet that is being parsed
+
+      std::string streamName;///< Name of the stream to connect to
+      IPC::sharedClient userClient;///< Shared memory used for connection to Mixer process.
+
+      DTSC::Meta myMeta;///< Stores either the input or output metadata
+
+      std::set<unsigned long> selectedTracks;///< Stores the track id's that are either selected for playback or input
+
+      std::map<unsigned long, std::map<unsigned long, DTSCPageData> > pagesByTrack;///<Holds the data for all pages of a track. Based on unmapped tids
+
+      //Negotiation stuff (from unmapped tid's)
+      std::map<unsigned long, unsigned long> trackOffset; ///< Offset of data on user page
+      std::map<unsigned long, negotiationState> trackState; ///< State of the negotiation for tracks
+      std::map<unsigned long, unsigned long> trackMap;///<Determines which input track maps onto which "final" track
+
+      //Using mapped tid's
+      std::map<unsigned long, IPC::sharedPage> metaPages;///< For each track, holds the page that describes which dataPages are mapped
+      std::map<unsigned long, unsigned long> curPageNum;///< For each track, holds the number page that is currently being written.
+      std::map<unsigned long, IPC::sharedPage> curPage;///< For each track, holds the page that is currently being written.
+      std::map<unsigned long, std::deque<DTSC::Packet> > trackBuffer; ///< Buffer to be used during active track negotiation
+  };
+}