pidscanner.h

/*
 * pidscanner.h: IPTV plugin for the Video Disk Recorder
 *
 * See the README file for copyright information and how to reach the author.
 *
 */

#pragma once

#include <vdr/tools.h>
#include <vdr/channels.h>

#include "log.h"

class cPidScanner {
private:
    enum {
        PIDSCANNER_APID_COUNT = 5,    /* minimum count of audio pid samples for pid detection */
        PIDSCANNER_VPID_COUNT = 5,    /* minimum count of video pid samples for pid detection */
        PIDSCANNER_PID_DELTA_COUNT = 100,  /* minimum count of pid samples for audio/video only pid detection */
        PIDSCANNER_TIMEOUT_IN_MS = 15000 /* 15s timeout for detection */
    };
    cTimeMs timeoutM;
    tChannelID channelIdM;
    bool processM;
    int vPidM;
    int aPidM;
    int numVpidsM;
    int numApidsM;

    std::set<int> audioPids;

public:
    cPidScanner();
    ~cPidScanner();

    void SetChannel(const tChannelID &channelIdP);
    void Process(const uint8_t *bufP);

    void Open() {
        debug1("%s", __PRETTY_FUNCTION__);

        audioPids.clear();
        timeoutM.Set(PIDSCANNER_TIMEOUT_IN_MS);
    }

    void Close() {
        debug1("%s", __PRETTY_FUNCTION__);

        audioPids.clear();
        timeoutM.Set(0);
    }
};