144 lines
3.6 KiB
C++
144 lines
3.6 KiB
C++
//
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// ZoneMinder RTSP Class Interface, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#ifndef ZM_RTSP_H
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#define ZM_RTSP_H
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#include "zm.h"
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#include "zm_ffmpeg.h"
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#include "zm_comms.h"
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#include "zm_thread.h"
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#include "zm_rtp_source.h"
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#include "zm_rtsp_auth.h"
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#include "zm_sdp.h"
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#include <set>
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#include <map>
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class RtspThread : public Thread
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{
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public:
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typedef enum { RTP_UNICAST, RTP_MULTICAST, RTP_RTSP, RTP_RTSP_HTTP } RtspMethod;
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typedef enum { UNDEFINED, UNICAST, MULTICAST } RtspDist;
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private:
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typedef std::set<int> PortSet;
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typedef std::set<uint32_t> SsrcSet;
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typedef std::map<uint32_t,RtpSource *> SourceMap;
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private:
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static int smMinDataPort;
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static int smMaxDataPort;
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static PortSet smLocalSsrcs;
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static PortSet smAssignedPorts;
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private:
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int mId;
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RtspMethod mMethod;
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std::string mProtocol;
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std::string mHost;
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std::string mPort;
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std::string mPath;
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bool mRtspDescribe;
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std::string mUrl;
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// Reworked authentication system
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// First try without authentication, even if we have a username and password
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// on receiving a 401 response, select authentication method (basic or digest)
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// fill required fields and set needAuth
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// subsequent requests can set the required authentication header.
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bool mNeedAuth;
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int respCode;
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zm::Authenticator* mAuthenticator;
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std::string mHttpSession; ///< Only for RTSP over HTTP sessions
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TcpInetClient mRtspSocket;
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TcpInetClient mRtspSocket2;
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SourceMap mSources;
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SessionDescriptor *mSessDesc;
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AVFormatContext *mFormatContext;
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uint16_t mSeq;
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uint32_t mSession;
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uint32_t mSsrc;
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int mRemotePorts[2];
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int mRemoteChannels[2];
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RtspDist mDist;
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unsigned long mRtpTime;
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bool mStop;
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private:
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bool sendCommand( std::string message );
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bool recvResponse( std::string &response );
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void checkAuthResponse(std::string &response);
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public:
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RtspThread( int id, RtspMethod method, const std::string &protocol, const std::string &host, const std::string &port, const std::string &path, const std::string &auth, bool rtsp_describe );
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~RtspThread();
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public:
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int requestPorts();
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void releasePorts( int port );
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bool isValidSsrc( uint32_t ssrc );
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bool updateSsrc( uint32_t ssrc, const RtpDataHeader *header );
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uint32_t getSsrc() const
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{
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return( mSsrc );
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}
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bool hasSources() const
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{
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return( !mSources.empty() );
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}
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AVFormatContext *getFormatContext()
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{
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return( mFormatContext );
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}
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bool getFrame( Buffer &frame )
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{
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SourceMap::iterator iter = mSources.begin();
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if ( iter == mSources.end() )
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return( false );
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return( iter->second->getFrame( frame ) );
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}
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int run();
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void stop()
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{
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mStop = true;
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}
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bool stopped() const
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{
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return( mStop );
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}
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};
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#endif // ZM_RTSP_H
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