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