MNRTPSourceSH.h

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/* Copyright (C) 2000 KOM/Darmstadt University of Technology
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, code may be used in unmodified form provided
 * that this copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This software is provided "as is" and without any express or implied
 * warranties, including, without limitation, the implied warranty of
 * fitness for a particular purpose.
 *
 * The code may be subjected to the GNU General Public License, Version 2,
 * and re-distributed under the terms of this license.
 * As a special exception, permission is granted to link this code
 * with the Qt library and distribute executables, as long as you
 * follow the requirements of the GNU GPL in regard to all of the
 * software in the executable aside from Qt.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after express negotiation of conditions
 * with the authors.
 */
#ifndef MN_RTP_SOURCE_STREAM_HANDLER_H
#define MN_RTP_SOURCE_STREAM_HANDLER_H

#include <sys/types.h>

#include "SH.h"
#include "SHEndpoint.h"
#include "SHReport.h"
#include "SHEndpointSpec.h"
#include "MNRTPcallback.h"
#include "var_type.h"
#include "sdp/TransportTypes.h"

class MNRTPPacket;
class MNRTCPPacket;
class MNRTP;
class MNUDPSocket;

namespace SH
{

class RTPSourceSH;

/**********************************************************************/
/* RTPSourceEndpoint                                                */
/**********************************************************************/

class RTPSourceEndpoint
    : public SourceEndpoint
    , public MNRTP_RTPreader_callback
    , public MNRTP_RTCPreader_callback
    , public MNRTP_RTCPbye_callback
{
    size_t _number_of_pending_ssrcs;
public:
    RTPSourceEndpoint( RTPSourceSH* mySH );
    virtual ~RTPSourceEndpoint( );

    virtual void RTCPreader_cb( RPtr<MNRTCPPacket> packet );
    virtual void RTPreader_cb( RPtr<MNRTPPacket> packet );
    virtual void RTCPbye_cb( u_int32      ssrc,
                             text_item_t* bye_text);

    size_t getMaxSupportedInstances() const;

    virtual Endpoint* instantiate( Base* caller ) const;
};

/**********************************************************************/
/* RTPSourceSH                                                      */
/**********************************************************************/

class RTPSourceSH
    : public Base
{
    MNRTP*   _rtp;
    RTPSourceEndpoint _outEP;
    RTPSourceEndpoint* _out_ep_a;
    int _rate;

    SourceEndpoint*      _referrable_out_ep_a;

public:
    RTPSourceSH( SHGraphManager*      mgr,
                 u_int32_t            runtimeId,
                 MNSelector&          sel,
                 RTSP::TransportTypes req_transport = RTSP::RTP_AVP_UDP );

    virtual ~RTPSourceSH();

private:

    RTPSourceSH( const RTPSourceSH& );

    RTPSourceSH& operator=( const RTPSourceSH& );

public:
    virtual SH_RC initSH();
    virtual SH_RC uninitSH();

    virtual SH_RC startStreaming();
    virtual SH_RC stopStreaming();

    virtual void pushReport( ReportPtr report, Direction d );

    void notify( Notification attribute );
    
    int getNptSeconds();
    
    void setNptSeek(int npt);
    
    void setRTPTimestamp(int idx, u_int32 rtptime);
    
    void calcNptSeconds(RPtr<MNRTPPacket>& packet);

    void setSubsessionIndex(int idx);
    
    // Attributes haved been moved to SH.h

private:
    SA_RTPSRC_RTP_SOCK _rtp_socket;

    SA_RTPSRC_RTCP_SOCK            _rtcp_socket;
    SA_RTPSRC_REMOTE_UPSTREAM_PORT _remote_upstream_port;
    SA_RTPSRC_TARGET_ADDRESS       _target_address;
    SA_RTPSRC_IGNORE_RTCP_RR       _ignore_rtcp_rr;
    SA_RTP_RTP_PAYLOAD_TYPE        _payload_type;
    SA_RTP_BANDWIDTH               _bandwidth;

    RTSP::TransportTypes _req_transport;
    
    int _subsessionIndex;
    
    u_int32 _timestampDiff;
    u_int32 _oldTimestamp;
    int _nptSeconds;
    int _nptSeekOffset;
 
    /******************************************************************/
    /* functions required for Base::Spec                                */
    /******************************************************************/
public:
    virtual SinkEndpoint**   getSinkSpecs();
    virtual SourceEndpoint** getSourceSpecs();

    /******************************************************************/
    /* functions required for Status                                */
    /******************************************************************/
private:
    bool _isStreaming;

public:
    virtual bool isConnected() const;

    /*
    virtual bool isStreaming() const = 0;
    virtual bool isInActiveMode() const = 0;
    virtual bool isInPassiveMode() const = 0;
    virtual bool isInThroughMode() const = 0;*/
};


}; // namespace SH

#endif /* MN_RTP_SOURCE_STREAM_HANDLER_H */

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