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|
/****************************************************************************
*
* $Id: rmacore.h 74 2003-07-02 02:42:47Z gabest $
*
* Copyright (C) 1995-1999 RealNetworks, Inc. All rights reserved.
*
* http://www.real.com/devzone
*
* This program contains proprietary
* information of Progressive Networks, Inc, and is licensed
* subject to restrictions on use and distribution.
*
*
* Client Core interfaces
*
*/
#ifndef _RMACORE_H_
#define _RMACORE_H_
/*
* Forward declarations of some interfaces defined or used here-in.
*/
typedef _INTERFACE IUnknown IUnknown;
typedef _INTERFACE IRMAStream IRMAStream;
typedef _INTERFACE IRMAStreamSource IRMAStreamSource;
typedef _INTERFACE IRMAPlayer IRMAPlayer;
typedef _INTERFACE IRMAClientEngine IRMAClientEngine;
typedef _INTERFACE IRMAScheduler IRMAScheduler;
typedef _INTERFACE IRMAClientAdviseSink IRMAClientAdviseSink;
typedef _INTERFACE IRMAValues IRMAValues;
typedef _INTERFACE IRMABuffer IRMABuffer;
typedef _INTERFACE IRMAPacket IRMAPacket;
typedef _INTERFACE IRMARenderer IRMARenderer;
typedef _INTERFACE IRMAPlayer2 IRMAPlayer2;
typedef _INTERFACE IRMARequest IRMArequest;
typedef struct _PNxEvent PNxEvent;
#ifdef _MACINTOSH
#pragma export on
#endif
#if defined _UNIX && !(defined _VXWORKS)
/* Includes needed for select() stuff */
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#endif
#ifdef _BEOS // fd_set stuff
#include <net/socket.h>
#endif
/* Used in renderer and advise sink interface */
enum BUFFERING_REASON
{
BUFFERING_START_UP = 0,
BUFFERING_SEEK,
BUFFERING_CONGESTION,
BUFFERING_LIVE_PAUSE
};
/****************************************************************************
*
* Function:
*
* CreateEngine()
*
* Purpose:
*
* Function implemented by the RMA core to return a pointer to the
* client engine. This function would be run by top level clients.
*/
STDAPI CreateEngine
(
IRMAClientEngine** /*OUT*/ ppEngine
);
/****************************************************************************
*
* Function:
*
* CloseEngine()
*
* Purpose:
*
* Function implemented by the RMA core to close the engine which
* was returned in CreateEngine().
*/
STDAPI CloseEngine
(
IRMAClientEngine* /*IN*/ pEngine
);
#ifdef _MACINTOSH
#pragma export off
#endif
/*
* Definitions of Function Pointers to CreateEngine() and Close Engine().
* These types are provided as a convenince to authors of top level clients.
*/
typedef PN_RESULT (PNEXPORT_PTR FPRMCREATEENGINE)(IRMAClientEngine** ppEngine);
typedef PN_RESULT (PNEXPORT_PTR FPRMCLOSEENGINE) (IRMAClientEngine* pEngine);
typedef PN_RESULT (PNEXPORT_PTR FPRMSETDLLACCESSPATH) (const char*);
/****************************************************************************
*
* Interface:
*
* IRMAStream
*
* Purpose:
*
* Interface provided by the client engine to the renderers. This
* interface allows access to stream related information and properties.
*
* IID_IRMAStream:
*
* {00000400-0901-11d1-8B06-00A024406D59}
*
*/
DEFINE_GUID(IID_IRMAStream, 0x00000400, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAStream
DECLARE_INTERFACE_(IRMAStream, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAStream methods
*/
/************************************************************************
* Method:
* IRMAStream::GetSource
* Purpose:
* Get the interface to the source object of which the stream is
* a part of.
*
*/
STDMETHOD(GetSource) (THIS_
REF(IRMAStreamSource*) pSource) PURE;
/************************************************************************
* Method:
* IRMAStream::GetStreamNumber
* Purpose:
* Get the stream number for this stream relative to the source
* object of which the stream is a part of.
*
*/
STDMETHOD_(UINT16,GetStreamNumber) (THIS) PURE;
/************************************************************************
* Method:
* IRMAStream::GetStreamType
* Purpose:
* Get the MIME type for this stream. NOTE: The returned string is
* assumed to be valid for the life of the IRMAStream from which it
* was returned.
*
*/
STDMETHOD_(const char*,GetStreamType) (THIS) PURE;
/************************************************************************
* Method:
* IRMAStream::GetHeader
* Purpose:
* Get the header for this stream.
*
*/
STDMETHOD_(IRMAValues*,GetHeader) (THIS) PURE;
/************************************************************************
* Method:
* IRMAStream::ReportQualityOfService
* Purpose:
* Call this method to report to the playback context that the
* quality of service for this stream has changed. The unQuality
* should be on a scale of 0 to 100, where 100 is the best possible
* quality for this stream. Although the transport engine can
* determine lost packets and report these through the user
* interface, only the renderer of this stream can determine the
* "real" perceived damage associated with this loss.
*
* NOTE: The playback context may use this value to indicate loss
* in quality to the user interface. When the effects of a lost
* packet are eliminated the renderer should call this method with
* a unQuality of 100.
*
*/
STDMETHOD(ReportQualityOfService) (THIS_
UINT8 unQuality) PURE;
/************************************************************************
* Method:
* IRMAStream::ReportRebufferStatus
* Purpose:
* Call this method to report to the playback context that the
* available data has dropped to a critically low level, and that
* rebuffering should occur. The renderer should call back into this
* interface as it receives additional data packets to indicate the
* status of its rebuffering effort.
*
* NOTE: The values of unNeeded and unAvailable are used to indicate
* the general status of the rebuffering effort. For example, if a
* renderer has "run dry" and needs 5 data packets to play smoothly
* again, it should call ReportRebufferStatus() with 5,0 then as
* packet arrive it should call again with 5,1; 5,2... and eventually
* 5,5.
*
*/
STDMETHOD(ReportRebufferStatus) (THIS_
UINT8 unNeeded,
UINT8 unAvailable) PURE;
/************************************************************************
* Method:
* IRMAStream::SetGranularity
* Purpose:
* Sets the desired Granularity for this stream. The actual
* granularity will be the lowest granularity of all streams.
* Valid to call before stream actually begins. Best to call during
* IRMARenderer::OnHeader().
*/
STDMETHOD(SetGranularity) (THIS_
ULONG32 ulGranularity) PURE;
/************************************************************************
* Method:
* IRMAStream::GetRendererCount
* Purpose:
* Returns the current number of renderer instances supported by
* this stream instance.
*/
STDMETHOD_(UINT16, GetRendererCount)(THIS) PURE;
/************************************************************************
* Method:
* IRMAStream::GetRenderer
* Purpose:
* Returns the Nth renderer instance supported by this stream.
*/
STDMETHOD(GetRenderer) (THIS_
UINT16 nIndex,
REF(IUnknown*) pUnknown) PURE;
};
/****************************************************************************
*
* Interface:
*
* IRMAStreamSource
*
* Purpose:
*
* Interface provided by the client engine to the renderers. This
* interface allows access to source related information and properties.
*
* IID_IRMAStreamSource:
*
* {00000401-0901-11d1-8B06-00A024406D59}
*
*/
DEFINE_GUID(IID_IRMAStreamSource, 0x00000401, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAStreamSource
DECLARE_INTERFACE_(IRMAStreamSource, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAStreamSource methods
*/
/************************************************************************
* Method:
* IRMAStreamSource::IsLive
* Purpose:
* Ask the source whether it is live
*
*/
STDMETHOD_ (BOOL,IsLive) (THIS) PURE;
/************************************************************************
* Method:
* IRMAStreamSource::GetPlayer
* Purpose:
* Get the interface to the player object of which the source is
* a part of.
*
*/
STDMETHOD(GetPlayer) (THIS_
REF(IRMAPlayer*) pPlayer) PURE;
/************************************************************************
* Method:
* IRMAStreamSource::GetURL
* Purpose:
* Get the URL for this source. NOTE: The returned string is
* assumed to be valid for the life of the IRMAStreamSource from which
* it was returned.
*
*/
STDMETHOD_(const char*,GetURL) (THIS) PURE;
/************************************************************************
* Method:
* IRMAStreamSource::GetStreamCount
* Purpose:
* Returns the current number of stream instances supported by
* this source instance.
*/
STDMETHOD_(UINT16, GetStreamCount)(THIS) PURE;
/************************************************************************
* Method:
* IRMAStreamSource::GetStream
* Purpose:
* Returns the Nth stream instance supported by this source.
*/
STDMETHOD(GetStream) (THIS_
UINT16 nIndex,
REF(IUnknown*) pUnknown) PURE;
};
/****************************************************************************
*
* Interface:
*
* IRMAPlayer
*
* Purpose:
*
* Interface provided by the client engine to the renderers. This
* interface allows access to player related information, properties,
* and operations.
*
* IID_IRMAPlayer:
*
* {00000402-0901-11d1-8B06-00A024406D59}
*
*/
DEFINE_GUID(IID_IRMAPlayer, 0x00000402, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAPlayer
DECLARE_INTERFACE_(IRMAPlayer, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAPlayer methods
*/
/************************************************************************
* Method:
* IRMAPlayer::GetClientEngine
* Purpose:
* Get the interface to the client engine object of which the
* player is a part of.
*
*/
STDMETHOD(GetClientEngine) (THIS_
REF(IRMAClientEngine*) pEngine) PURE;
/************************************************************************
* Method:
* IRMAPlayer::IsDone
* Purpose:
* Ask the player if it is done with the current presentation
*
*/
STDMETHOD_(BOOL,IsDone) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::IsLive
* Purpose:
* Ask the player whether it contains the live source
*
*/
STDMETHOD_(BOOL,IsLive) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::GetCurrentPlayTime
* Purpose:
* Get the current time on the Player timeline
*
*/
STDMETHOD_(ULONG32,GetCurrentPlayTime) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::OpenURL
* Purpose:
* Tell the player to begin playback of all its sources.
*
*/
STDMETHOD(OpenURL) (THIS_
const char* pURL) PURE;
/************************************************************************
* Method:
* IRMAPlayer::Begin
* Purpose:
* Tell the player to begin playback of all its sources.
*
*/
STDMETHOD(Begin) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::Stop
* Purpose:
* Tell the player to stop playback of all its sources.
*
*/
STDMETHOD(Stop) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::Pause
* Purpose:
* Tell the player to pause playback of all its sources.
*
*/
STDMETHOD(Pause) (THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::Seek
* Purpose:
* Tell the player to seek in the playback timeline of all its
* sources.
*
*/
STDMETHOD(Seek) (THIS_
ULONG32 ulTime) PURE;
/************************************************************************
* Method:
* IRMAPlayer::GetSourceCount
* Purpose:
* Returns the current number of source instances supported by
* this player instance.
*/
STDMETHOD_(UINT16, GetSourceCount)(THIS) PURE;
/************************************************************************
* Method:
* IRMAPlayer::GetSource
* Purpose:
* Returns the Nth source instance supported by this player.
*/
STDMETHOD(GetSource) (THIS_
UINT16 nIndex,
REF(IUnknown*) pUnknown) PURE;
/************************************************************************
* Method:
* IRMAPlayer::SetClientContext
* Purpose:
* Called by the client to install itself as the provider of client
* services to the core. This is traditionally called by the top
* level client application.
*/
STDMETHOD(SetClientContext) (THIS_
IUnknown* pUnknown) PURE;
/************************************************************************
* Method:
* IRMAPlayer::GetClientContext
* Purpose:
* Called to get the client context for this player. This is
* set by the top level client application.
*/
STDMETHOD(GetClientContext) (THIS_
REF(IUnknown*) pUnknown) PURE;
/************************************************************************
* Method:
* IRMAPlayer::AddAdviseSink
* Purpose:
* Call this method to add a client advise sink.
*
*/
STDMETHOD(AddAdviseSink) (THIS_
IRMAClientAdviseSink* pAdviseSink) PURE;
/************************************************************************
* Method:
* IRMAPlayer::RemoveAdviseSink
* Purpose:
* Call this method to remove a client advise sink.
*/
STDMETHOD(RemoveAdviseSink) (THIS_
IRMAClientAdviseSink* pAdviseSink) PURE;
};
/****************************************************************************
*
* Interface:
*
* IRMAClientEngine
*
* Purpose:
*
* Interface to the basic client engine. Provided to the renderers and
* other client side components.
*
* IID_IRMAClientEngine:
*
* {00000403-0901-11d1-8B06-00A024406D59}
*/
DEFINE_GUID(IID_IRMAClientEngine, 0x00000403, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAClientEngine
DECLARE_INTERFACE_(IRMAClientEngine, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAClientEngine methods
*/
/************************************************************************
* Method:
* IRMAClientEngine::CreatePlayer
* Purpose:
* Creates a new IRMAPlayer instance.
*
*/
STDMETHOD(CreatePlayer) (THIS_
REF(IRMAPlayer*) pPlayer) PURE;
/************************************************************************
* Method:
* IRMAClientEngine::ClosePlayer
* Purpose:
* Called by the client when it is done using the player...
*
*/
STDMETHOD(ClosePlayer) (THIS_
IRMAPlayer* pPlayer) PURE;
/************************************************************************
* Method:
* IRMAClientEngine::GetPlayerCount
* Purpose:
* Returns the current number of IRMAPlayer instances supported by
* this client engine instance.
*/
STDMETHOD_(UINT16, GetPlayerCount)(THIS) PURE;
/************************************************************************
* Method:
* IRMAClientEngine::GetPlayer
* Purpose:
* Returns the Nth IRMAPlayer instances supported by this client
* engine instance.
*/
STDMETHOD(GetPlayer) (THIS_
UINT16 nPlayerNumber,
REF(IUnknown*) pUnknown) PURE;
/************************************************************************
* Method:
* IRMAClientEngine::EventOccurred
* Purpose:
* Clients call this to pass OS events to all players. PNxEvent
* defines a cross-platform event.
*/
STDMETHOD(EventOccurred) (THIS_
PNxEvent* /*IN*/ pEvent) PURE;
};
#if defined _UNIX && !defined (_VXWORKS)
DEFINE_GUID(IID_IRMAClientEngineSelector, 0x00000404, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAClientEngineSelector
DECLARE_INTERFACE_(IRMAClientEngineSelector, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/************************************************************************
* Method:
* IRMAClientEngine::Select
* Purpose:
* Top level clients under Unix should use this instead of
* select() to select for events.
*/
STDMETHOD_(INT32, Select) (THIS_
INT32 n,
fd_set *readfds,
fd_set *writefds,
fd_set *exceptfds,
struct timeval* timeout) PURE;
};
#endif /* _UNIX */
/****************************************************************************
*
* Interface:
*
* IRMAClientEngineSetup
*
* Purpose:
*
* Interface to the basic client engine. Provided to the renderers and
* other client side components.
*
* IID_IRMAClientEngineSetup:
*
* {00000405-0901-11d1-8B06-00A024406D59}
*/
DEFINE_GUID(IID_IRMAClientEngineSetup, 0x00000405, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAClientEngineSetup
DECLARE_INTERFACE_(IRMAClientEngineSetup, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAClientEngineSetup methods
*/
/************************************************************************
* Method:
* IRMAClientEngineSetup::Setup
* Purpose:
* Top level clients use this interface to over-ride certain basic
* interfaces implemented by the core. Current over-ridable
* interfaces are: IRMAPreferences, IRMAHyperNavigate
*/
STDMETHOD(Setup) (THIS_
IUnknown* pContext) PURE;
};
/****************************************************************************
*
* Interface:
*
* IRMAInfoLogger
*
* Purpose:
*
* Interface to send any logging information back to the server.
* This information will appear in the server's access log.
*
* IID_IRMAInfoLogger:
*
* {00000409-0901-11d1-8B06-00A024406D59}
*/
DEFINE_GUID(IID_IRMAInfoLogger, 0x00000409, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAInfoLogger
DECLARE_INTERFACE_(IRMAInfoLogger, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/*
* IRMAInfoLogger methods
*/
/************************************************************************
* Method:
* IRMAInfoLogger::LogInformation
* Purpose:
* Logs any user defined information in form of action and
* associated data.
*/
STDMETHOD(LogInformation) (THIS_
const char* /*IN*/ pAction,
const char* /*IN*/ pData) PURE;
};
/****************************************************************************
*
* Interface:
*
* IRMAPlayer2
*
* Purpose:
*
* Extra methods in addition to IRMAPlayer
*
* IID_IRMAPlayer2:
*
* {00000411-0901-11d1-8B06-00A024406D59}
*
*/
DEFINE_GUID(IID_IRMAPlayer2, 0x00000411, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
0xa0, 0x24, 0x40, 0x6d, 0x59);
#undef INTERFACE
#define INTERFACE IRMAPlayer2
DECLARE_INTERFACE_(IRMAPlayer2, IUnknown)
{
/*
* IUnknown methods
*/
STDMETHOD(QueryInterface) (THIS_
REFIID riid,
void** ppvObj) PURE;
STDMETHOD_(ULONG,AddRef) (THIS) PURE;
STDMETHOD_(ULONG,Release) (THIS) PURE;
/************************************************************************
* Method:
* IID_IRMAPlayer2::SetMinimumPreroll
* Purpose:
* Call this method to set the minimum preroll of this clip
*/
STDMETHOD(SetMinimumPreroll) (THIS_
UINT32 ulMinPreroll) PURE;
/************************************************************************
* Method:
* IID_IRMAPlayer2::GetMinimumPreroll
* Purpose:
* Call this method to get the minimum preroll of this clip
*/
STDMETHOD(GetMinimumPreroll) (THIS_
REF(UINT32) ulMinPreroll) PURE;
/************************************************************************
* Method:
* IID_IRMAPlayer2::OpenRequest
* Purpose:
* Call this method to open the IRMARequest
*/
STDMETHOD(OpenRequest) (THIS_
IRMARequest* pRequest) PURE;
/************************************************************************
* Method:
* IID_IRMAPlayer2::GetRequest
* Purpose:
* Call this method to get the IRMARequest
*/
STDMETHOD(GetRequest) (THIS_
REF(IRMARequest*) pRequest) PURE;
};
#endif /* _RMACORE_H_ */
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