hxrendr.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxrendr.h,v 1.5.8.3 2004/07/09 01:45:13 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _HXRENDR_H_
- #define _HXRENDR_H_
- /*
- * Forward declarations of some interfaces defined or used here-in.
- */
- typedef _INTERFACE IHXRenderer IHXRenderer;
- typedef _INTERFACE IHXStream IHXStream;
- typedef _INTERFACE IHXStreamSource IHXStreamSource;
- typedef _INTERFACE IHXPlayer IHXPlayer;
- typedef _INTERFACE IHXClientEngine IHXClientEngine;
- // $Private:
- typedef _INTERFACE IHXPersistentRenderer IHXPersistentRenderer;
- // $EndPrivate.
- typedef _INTERFACE IHXUntimedRenderer IHXUntimedRenderer;
- /****************************************************************************
- *
- * Interface:
- *
- * IHXRenderer
- *
- * Purpose:
- *
- * Interface implemented by all renderers. Parts of this interface are
- * called by the client engine to provide data packets to the
- * individual renderers.
- *
- * IID_IHXRenderer:
- *
- * {00000300-0901-11d1-8B06-00A024406D59}
- *
- */
- DEFINE_GUID(IID_IHXRenderer, 0x00000300, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
- 0xa0, 0x24, 0x40, 0x6d, 0x59);
- #undef INTERFACE
- #define INTERFACE IHXRenderer
- typedef ULONG32 HX_DISPLAY_TYPE;
- #define HX_DISPLAY_NONE 0x00000000
- #define HX_DISPLAY_WINDOW 0x00000001
- #define HX_DISPLAY_SUPPORTS_RESIZE 0x00000002
- #define HX_DISPLAY_SUPPORTS_FULLSCREEN 0x00000004
- #define HX_DISPLAY_SUPPORTS_VIDCONTROLS 0x00000008
- DECLARE_INTERFACE_(IHXRenderer, IUnknown)
- {
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
- /*
- * IHXRenderer methods
- */
- /************************************************************************
- * Method:
- * IHXRenderer::GetRendererInfo
- * Purpose:
- * Returns information vital to the instantiation of rendering
- * plugins.
- */
- STDMETHOD(GetRendererInfo) (THIS_
- REF(const char**)/*OUT*/ pStreamMimeTypes,
- REF(UINT32) /*OUT*/ unInitialGranularity
- ) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::StartStream
- * Purpose:
- * Called by client engine to inform the renderer of the stream it
- * will be rendering. The stream interface can provide access to
- * its source or player. This method also provides access to the
- * primary client controller interface.
- *
- */
- STDMETHOD(StartStream) (THIS_
- IHXStream* pStream,
- IHXPlayer* pPlayer) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::EndStream
- * Purpose:
- * Called by client engine to inform the renderer that the stream
- * is was rendering is closed.
- *
- */
- STDMETHOD(EndStream) (THIS) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnHeader
- * Purpose:
- * Called by client engine when a header for this renderer is
- * available. The header will arrive before any packets.
- *
- */
- STDMETHOD(OnHeader) (THIS_
- IHXValues* pHeader) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnPacket
- * Purpose:
- * Called by client engine when a packet for this renderer is
- * due.
- *
- */
- STDMETHOD(OnPacket) (THIS_
- IHXPacket* pPacket,
- LONG32 lTimeOffset) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnTimeSync
- * Purpose:
- * Called by client engine to inform the renderer of the current
- * time relative to the streams synchronized time-line. The
- * renderer should use this time value to update its display or
- * render it's stream data accordingly.
- *
- */
- STDMETHOD(OnTimeSync) (THIS_
- ULONG32 ulTime) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnPreSeek
- * Purpose:
- * Called by client engine to inform the renderer that a seek is
- * about to occur. The render is informed the last time for the
- * stream's time line before the seek, as well as the first new
- * time for the stream's time line after the seek will be completed.
- *
- */
- STDMETHOD(OnPreSeek) (THIS_
- ULONG32 ulOldTime,
- ULONG32 ulNewTime) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnPostSeek
- * Purpose:
- * Called by client engine to inform the renderer that a seek has
- * just occurred. The render is informed the last time for the
- * stream's time line before the seek, as well as the first new
- * time for the stream's time line after the seek.
- *
- */
- STDMETHOD(OnPostSeek) (THIS_
- ULONG32 ulOldTime,
- ULONG32 ulNewTime) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnPause
- * Purpose:
- * Called by client engine to inform the renderer that a pause has
- * just occurred. The render is informed the last time for the
- * stream's time line before the pause.
- *
- */
- STDMETHOD(OnPause) (THIS_
- ULONG32 ulTime) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnBegin
- * Purpose:
- * Called by client engine to inform the renderer that a begin or
- * resume has just occurred. The render is informed the first time
- * for the stream's time line after the resume.
- *
- */
- STDMETHOD(OnBegin) (THIS_
- ULONG32 ulTime) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnBuffering
- * Purpose:
- * Called by client engine to inform the renderer that buffering
- * of data is occuring. The render is informed of the reason for
- * the buffering (start-up of stream, seek has occurred, network
- * congestion, etc.), as well as percentage complete of the
- * buffering process.
- *
- */
- STDMETHOD(OnBuffering) (THIS_
- ULONG32 ulFlags,
- UINT16 unPercentComplete) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::GetDisplayType
- * Purpose:
- * Called by client engine to ask the renderer for it's preferred
- * display type. When layout information is not present, the
- * renderer will be asked for it's prefered display type. Depending
- * on the display type a buffer of additional information may be
- * needed. This buffer could contain information about preferred
- * window size.
- *
- */
- STDMETHOD(GetDisplayType) (THIS_
- REF(HX_DISPLAY_TYPE) ulFlags,
- REF(IHXBuffer*) pBuffer) PURE;
- /************************************************************************
- * Method:
- * IHXRenderer::OnEndofPackets
- * Purpose:
- * Called by client engine to inform the renderer that all the
- * packets have been delivered. However, if the user seeks before
- * EndStream() is called, renderer may start getting packets again
- * and the client engine will eventually call this function again.
- */
- STDMETHOD(OnEndofPackets) (THIS) PURE;
- };
- // $Private:
- /****************************************************************************
- *
- * Interface:
- *
- * IHXPersistentRenderer
- *
- * Purpose:
- *
- * Interface exposed by a persistent renderer such as RAM and SMIL
- *
- * IID_IHXPersistentRenderer:
- *
- * {00000301-0901-11d1-8B06-00A024406D59}
- *
- */
- DEFINE_GUID(IID_IHXPersistentRenderer, 0x00000301, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
- 0xa0, 0x24, 0x40, 0x6d, 0x59);
- #undef INTERFACE
- #define INTERFACE IHXPersistentRenderer
- DECLARE_INTERFACE_(IHXPersistentRenderer, IUnknown)
- {
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
- /*
- * IHXPersistentRenderer methods
- */
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::InitPersistent
- * Purpose:
- * Initialize the persistent renderer
- */
- STDMETHOD(InitPersistent) (THIS_
- UINT32 ulPersistentComponentID,
- UINT16 uPersistentGroupID,
- UINT16 uPersistentTrackID,
- IHXPersistentRenderer* pPersistentParent) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::GetPersistentID
- * Purpose:
- * Get persistent component ID
- */
- STDMETHOD(GetPersistentID) (THIS_
- REF(UINT32) ulPersistentComponentID) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::GetPersistentProperties
- * Purpose:
- * get properties of the persistent renderer such as the type and version#
- */
- STDMETHOD(GetPersistentProperties) (THIS_
- REF(IHXValues*) pProperties) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::GetElementProperties
- * Purpose:
- * get properties of the element(track) spawned by this persistent renderer
- */
- STDMETHOD(GetElementProperties) (THIS_
- UINT16 uGroupID,
- UINT16 uTrackID,
- REF(IHXValues*) pProperties) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::AttachElementLayout
- * Purpose:
- * attach the site created in its persitent parent as the root layout
- */
- STDMETHOD(AttachElementLayout) (THIS_
- UINT16 uGroupID,
- UINT16 uTrackID,
- IHXRenderer* pRenderer,
- IHXStream* pStream,
- IHXValues* pProps) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::DetachElementLayout
- * Purpose:
- * Detach the root layout created by its persistent parent
- */
- STDMETHOD(DetachElementLayout) (THIS_
- IUnknown* pLSG) PURE;
- /************************************************************************
- * Method:
- * IHXPersistentRenderer::GetElementShowStatus
- * Purpose:
- * get element's status(such as its layout's show property)
- * at current time
- */
- STDMETHOD(GetElementStatus) (THIS_
- UINT16 uGroupID,
- UINT16 uTrackID,
- UINT32 ulCurrentTime,
- REF(IHXValues*) pStatus) PURE;
- };
- // $EndPrivate.
- // $Private:
- /****************************************************************************
- *
- * Interface:
- *
- * IHXMediaPushdown
- *
- * Purpose:
- *
- * Al's weird hack interface
- *
- * IHXMediaPushdown:
- *
- * {00000302-0901-11d1-8B06-00A024406D59}
- *
- */
- DEFINE_GUID(IID_IHXMediaPushdown, 0x00000302, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
- 0xa0, 0x24, 0x40, 0x6d, 0x59);
- #undef INTERFACE
- #define INTERFACE IHXMediaPushdown
- DECLARE_INTERFACE_(IHXMediaPushdown, IUnknown)
- {
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
- /*
- * IHXMediaPushdown methods
- */
- /************************************************************************
- * Method:
- * IHXMediaPushdown::GetCurrentPushdown
- * Purpose:
- * Retrieves the current queue depth ("pushdown depth") in milliseconds
- *
- * Notes:
- * This is the *decoded* pushdown, not the undecoded pushdown. Returns
- * HXR_TIMELINE_SUSPENDED if the stream is paused; HXR_FAIL
- * if the stream is finished, HXR_OK otherwise.
- */
- STDMETHOD (GetCurrentPushdown) (THIS_ /*OUT*/
- REF(UINT32) ulPushdownMS,
- REF(UINT32) ulNumFrames) PURE;
- /************************************************************************
- * Method:
- * IHXMediaPushdown::IsG2Video
- * Purpose:
- */
- STDMETHOD_(BOOL, IsG2Video) (THIS) PURE;
- };
- // $EndPrivate.
- /****************************************************************************
- *
- * Interface:
- *
- * IHXUntimedRenderer
- *
- * Purpose:
- *
- * Interface exposed by a renderer capable of running faster than real time
- *
- * IID_IHXUntimedRenderer:
- *
- * {00000303-0901-11d1-8B06-00A024406D59}
- *
- */
- DEFINE_GUID(IID_IHXUntimedRenderer, 0x00000303, 0x901, 0x11d1, 0x8b, 0x6, 0x0,
- 0xa0, 0x24, 0x40, 0x6d, 0x59);
- #undef INTERFACE
- #define INTERFACE IHXUntimedRenderer
- DECLARE_INTERFACE_(IHXUntimedRenderer, IUnknown)
- {
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj) PURE;
- STDMETHOD_(ULONG32,AddRef) (THIS) PURE;
- STDMETHOD_(ULONG32,Release) (THIS) PURE;
- STDMETHOD_(BOOL,IsUntimedRendering)(THIS) PURE;
- STDMETHOD_(HX_RESULT,SetUntimedRendering)(THIS_ BOOL) PURE;
- };
- #endif /* _HXRENDR_H_ */