hxclientcfuncs.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: HXClientCFuncs.cpp,v 1.16.2.3 2004/07/09 01:49:47 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
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 * the file under the current version of the RealNetworks Community
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 * ***** END LICENSE BLOCK ***** */

#include "HXClientCFuncs.h"
#include "HXClientConstants.h"
#include "CHXClientEngine.h"
#include "IHXClientPlayer.h"
#include "CHXClientPlayer.h"
#include "CHXClientDebug.h"

#include "enter_hx_headers.h"
#include "hxwintyp.h"
#include "hxcom.h"
#include "hxcore.h"

#include "hxsmartptr.h"
HX_SMART_POINTER_INLINE( SPIHXClientEngine, IHXClientEngine );
HX_SMART_POINTER_INLINE( SPIHXPlayer, IHXPlayer );
#include "exit_hx_headers.h"

/*!
  @function ClientEngineSetCallbacks
  @param pClientEngineCallbacks
  @abstract set the client engine callbacks
*/
void ClientEngineSetCallbacks( const HXClientEngineCallbacks* pClientEngineCallbacks )
{
	CHXClientEngine::SetClientEngineCallbacks( pClientEngineCallbacks );
}

/*!
  @function ClientPlayerCreate
  @param pClientPlayerToken out parameter for the client token
  @param pWindow struct defining the window for the player to use for video
  @param userInfo custom value to be passed to callback functions
  @param pClientCallbacks struct defining the client callbacks
  @result true on success, false on fail
  @abstract Creates a new player instance
*/
bool ClientPlayerCreate( HXClientPlayerToken* pClientPlayerToken, SHXClientWindow* pWindow, void* userInfo, const HXClientCallbacks* pClientCallbacks )
{
	HX_RESULT result = HXR_OUTOFMEMORY;
	SPIHXClientEngine spIClientEngine;
	if ( CHXClientEngine::CreateEngine( spIClientEngine.AsInOutParam() ) )
	{
		IHXPlayer* pICorePlayer = NULL;
		result = spIClientEngine->CreatePlayer( pICorePlayer );
		if ( SUCCEEDED( result ) )
		{
			IHXClientPlayer* pIClientPlayer = CHXClientPlayer::Create( spIClientEngine.Ptr(), pICorePlayer, ( HXxWindow* ) pWindow, userInfo, pClientCallbacks );
			CHXASSERT( pIClientPlayer );
			pICorePlayer->Release();
			*pClientPlayerToken = pIClientPlayer;
			return true;
		}
	}
	if ( pClientCallbacks->OnErrorOccurred )
	{
		pClientCallbacks->OnErrorOccurred( userInfo, result, 0, NULL, NULL, NULL ); // XXXSEH: Should we fill in the last 4 arguments?
	}
	*pClientPlayerToken = NULL;
	return false;
}

/*!
  @function ClientPlayerClose
  @param clientPlayerToken
  @abstract Close the player
*/
void ClientPlayerClose( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer )
	{
		pIClientPlayer->Release();
	}
}

/*!
  @function ClientPlayerOpenURL
  @param clientPlayerToken
  @param pURL
  @param pMimeType
  @abstract open the given URL, optionally provide mime type of content
*/
bool ClientPlayerOpenURL( HXClientPlayerToken clientPlayerToken, const char* pURL, const char* pMimeType )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? ( ( 0 != SUCCEEDED( pIClientPlayer->OpenURL( pURL, pMimeType ) ) ) ? true : false ) : false;
}

bool ClientPlayerOpenData( HXClientPlayerToken clientPlayerToken, const char* pURL, const char* pMimeType, UInt32 dataLength, bool autoPlay, void** ppOutData )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? ( ( 0 != SUCCEEDED( pIClientPlayer->OpenData( pURL, pMimeType, dataLength, autoPlay, ppOutData ) ) ) ? true : false ) : false;
}

bool ClientPlayerWriteData( HXClientPlayerToken clientPlayerToken, void* pData, UInt32 bufferLength, unsigned char* pBuffer )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? ( ( 0 != SUCCEEDED( pIClientPlayer->WriteData( pData, bufferLength, pBuffer ) ) ) ? true : false ) : false;
}

void ClientPlayerCloseData( HXClientPlayerToken clientPlayerToken, void* pData )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->CloseData( pData );
}

bool ClientPlayerGetOpenedURL( HXClientPlayerToken clientPlayerToken, char* pURLBuffer, UInt32 bufferLength, UInt32* pUsedBufferLength )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetOpenedURL( pURLBuffer, bufferLength, pUsedBufferLength ) : false;
}

bool ClientPlayerCanViewSource( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->CanViewSource() : false;
}

void ClientPlayerViewSource( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->ViewSource();
}

bool ClientPlayerCanViewRights( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->CanViewRights() : false;
}

void ClientPlayerViewRights( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->ViewRights();
}

/*!
  @function ClientPlayerAuthenticate
  @param clientPlayerToken
  @param shouldValidateUser
  @param pUsername
  @param pPassword
  @result true on success, false on fail
  @abstract provide credentials for authenticating password-protected content
*/
bool ClientPlayerAuthenticate( HXClientPlayerToken clientPlayerToken, bool shouldValidateUser, const char* pUsername, const char* pPassword )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? ( ( 0 != SUCCEEDED( pIClientPlayer->Authenticate( shouldValidateUser, pUsername, pPassword ) ) ) ? true : false ) : false;
}

/*!
  @function ClientPlayerGetContentState
  @param clientPlayerToken
  @result an integer indicating the current state
  @abstract reports the current state of the player
*/
int ClientPlayerGetContentState( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetContentState() : kContentStateNotLoaded;
}

/*!
  @function ClientPlayerSetStatus
  @param clientPlayerToken
  @param pStatus
  @abstract ???
*/
bool ClientPlayerSetStatus( HXClientPlayerToken clientPlayerToken, const char* pStatus )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->SetStatus( pStatus ) : false;
}

/*!
  @function ClientPlayerPlay
  @param clientPlayerToken
  @abstract begin playback
*/
void ClientPlayerPlay( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->Play();
}

/*!
  @function ClientPlayerPause
  @param clientPlayerToken
  @abstract pause playback
*/
void ClientPlayerPause( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->Pause();
}

/*!
  @function ClientPlayerStop
  @param clientPlayerToken
  @abstract stop playback
*/
void ClientPlayerStop( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->Stop();
}

/*!
  @function ClientPlayerStartSeeking
  @param clientPlayerToken
  @result true on success, false on fail
  @abstract start seeking
*/
bool ClientPlayerStartSeeking( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->StartSeeking() : false;
}

/*!
  @function ClientPlayerSetPosition
  @param clientPlayerToken
  @param position
  @result true on success, false on fail
  @abstract seek the player to the given position
*/
bool ClientPlayerSetPosition( HXClientPlayerToken clientPlayerToken, UInt32 position )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? ( ( 0 != SUCCEEDED( pIClientPlayer->SetPosition( position ) ) ) ? true : false ) : false;
}

/*!
  @function ClientPlayerStopSeeking
  @param clientPlayerToken
  @abstract finish seeking
*/
void ClientPlayerStopSeeking( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer ) pIClientPlayer->StopSeeking();
}

/*!
  @function ClientPlayerGetPosition
  @param clientPlayerToken
  @result the current position in milliseconds
  @abstract return the current position of playback
*/
UInt32 ClientPlayerGetPosition( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetPosition() : 0;
}

/*!
  @function ClientPlayerGetLength
  @param clientPlayerToken
  @result the length of the content in milliseconds
  @abstract return the length of the presentation
*/
UInt32 ClientPlayerGetLength( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetLength() : 0;
}

/*!
  @function ClientPlayerIsLive
  @param clientPlayerToken
  @result true if live (or simulated live,) false if on-demand
  @abstract return the live state of the presentation
*/
bool ClientPlayerIsLive( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->IsLive() : false;
}

/*!
  @function ClientPlayerGetTitle
  @param clientPlayerToken
  @result the title of the current presentation
  @abstract return the presentation's title
*/
const char* ClientPlayerGetTitle( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetTitle() : NULL;
}

/*!
  @function ClientPlayerGetContextURL
  @param clientPlayerToken
  @result the context URL of the current presentation
  @abstract return the context URL
*/
const char* ClientPlayerGetContextURL( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->GetContextURL() : NULL;
}

/*!
  @function ClientPlayerHasVisualContent
  @param clientPlayerToken
  @result true if video is present, else false
  @abstract determine if the current presentation has video or not
*/
bool ClientPlayerHasVisualContent( HXClientPlayerToken clientPlayerToken )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	return pIClientPlayer ? pIClientPlayer->HasVisualContent() : false;
}

/*!
  @function ClientPlayerGetIdealSize
  @param clientPlayerToken
  @param pSiteIdealWidth out parameter for natural width of presentation
  @param pSiteIdealHeight out parameter for natural height of presentation
  @abstract obtain the natural width & height of the presentation
*/
void ClientPlayerGetIdealSize( HXClientPlayerToken clientPlayerToken, SInt32* pSiteIdealWidth, SInt32* pSiteIdealHeight )
{
	IHXClientPlayer* pIClientPlayer = ( IHXClientPlayer* ) clientPlayerToken;
	if ( pIClientPlayer )
	{
		pIClientPlayer->GetIdealSize( pSiteIdealWidth, pSiteIdealHeight );
	}
	else
	{
		*pSiteIdealWidth = 0;
		*pSiteIdealHeight = 0;
	}
}

/*!