deargui-vpl/ref/virtools/Samples/Behaviors/Video/Sources/Input Properties.cpp

/*************************************************************************/
/*	File : InputProperties.cpp											 */
/*																		 */	
/*	Author :  Leïla AIT KACI											 */	
/*	Last Modification : 28/05/03										 */	
/*************************************************************************/
#include "CKAll.h"
#include "CKVideo.h"
#include "CKVideoManager.h"

void					RegisterInputPropertiesParams		(CKParameterManager* pm);
void					UnregisterInputPropertiesParams		(CKParameterManager* pm);

CKObjectDeclaration*	FillBehaviorInputPropertiesDecl		();
CKERROR					CreateInputPropertiesProto			(CKBehaviorPrototype **);
int						InputProperties						(const CKBehaviorContext& BehContext);
CKERROR					InputPropertiesCB					(const CKBehaviorContext& BehContext);


//////////////////////////////////////////////////////////////////////
//								Defines
//////////////////////////////////////////////////////////////////////
#define BB_NAME			"Video Input Properties"
#define BB_DESC			"Modify a video's input properties (static parameters)."
#define BB_CAT			"Video/Properties"
#define BB_VERSION		0x00010000
#define BB_TARGET		CKCID_VIDEO

#define RETURN_IF_FAILED(index, res)												\
		if ( res != CK_OK )	{														\
			XString err = "Pin '";													\
			err += beh->GetInputParameter(index)->GetName();						\
			err += "': ";															\
			err += video->GetErrorDescrition(res);									\
			beh->SetOutputParameterValue(POUT_ERROR, err.Str(), err.Length() + 1 );	\
			beh->ActivateOutput(OUT_ERROR);											\
			return CKBR_OK;															\
		}

//////////////////////////////////////////////////////////////////////
//						Enums for Parameter's Indexes
//////////////////////////////////////////////////////////////////////
enum BB_IN 
{
	IN_IN
};

enum BB_OUT
{
	OUT_OUT,
	OUT_ERROR
};

enum BB_LOC
{
	SET_TYPE,
	SET_LIVEFLAGS
};

enum BB_PIN
{
	PIN_PATH_URL,
	PIN_VIDEOID,
	PIN_AUDIOID,
};

enum BB_POUT
{
	POUT_ERROR
};

//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
#define LIVE_GUID			CKGUID(0x68265c86,0x71d21b60)
#define LIVE_VIDEOID		0x01
#define LIVE_AUDIOID		0x02
#define LIVE_ALL			"Video ID,Audio ID"

void RegisterInputPropertiesParams(CKParameterManager* pm)
{
	pm->RegisterNewFlags(LIVE_GUID, "", "Video ID=1,Audio ID=2");

	CKParameterTypeDesc* TypeDesc;
	TypeDesc = pm->GetParameterTypeDescription(LIVE_GUID);
	TypeDesc->dwFlags |= CKPARAMETERTYPE_HIDDEN;	
}

void UnregisterInputPropertiesParams(CKParameterManager* pm)
{
	pm->UnRegisterParameterType(LIVE_GUID);
}

//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
CKObjectDeclaration	*FillBehaviorInputPropertiesDecl()
{
	CKObjectDeclaration *od = CreateCKObjectDeclaration(BB_NAME);	
	od->SetType(CKDLL_BEHAVIORPROTOTYPE);
	od->SetCompatibleClassId(BB_TARGET);
	od->SetDescription(BB_DESC);
	od->SetVersion(BB_VERSION);
	od->SetCategory(BB_CAT);
	od->SetAuthorName("Virtools");
	od->SetAuthorGuid(VIRTOOLS_GUID);
	od->SetGuid(CKGUID(0x14322354,0x6bd50a97));
	od->SetCreationFunction(CreateInputPropertiesProto);

	return od;
}

//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
CKERROR CreateInputPropertiesProto(CKBehaviorPrototype** pproto)
{
	CKBehaviorPrototype *proto = CreateCKBehaviorPrototype(BB_NAME);
	if(!proto) 	return CKERR_OUTOFMEMORY;

	//---	Inputs declaration
	proto->DeclareInput("In");

	//---	Outputs declaration
	proto->DeclareOutput("Out");
	proto->DeclareOutput("Error");

	//----- Input Parameters Declaration
	proto->DeclareInParameter("File", CKPGUID_STRING);
	proto->DeclareInParameter("Video ID", CKPGUID_VIDEOCAPTURE);
	proto->DeclareInParameter("Audio ID", CKPGUID_AUDIOCAPTURE);
	
	//---	Output Parameters Declaration
	proto->DeclareOutParameter("Error", CKPGUID_STRING);

	//----	Settings Declaration
	proto->DeclareSetting("Input Type", CKPGUID_VIDEOINTYPE, "File");
	proto->DeclareSetting("Live Properties", LIVE_GUID, LIVE_ALL);

	proto->SetFlags(CK_BEHAVIORPROTOTYPE_NORMAL);
	proto->SetBehaviorFlags((CK_BEHAVIOR_FLAGS)(CKBEHAVIOR_TARGETABLE));
	proto->SetFunction(InputProperties);
	proto->SetBehaviorCallbackFct(InputPropertiesCB, CKCB_BEHAVIORSETTINGSEDITED|CKCB_BEHAVIORCREATE, NULL);	

	*pproto = proto;
	return CK_OK;
}

//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
int InputProperties(const CKBehaviorContext& BehContext)
{
	CKContext*	ctx = BehContext.Context;
	CKBehavior*	beh = BehContext.Behavior;

	beh->ActivateInput(IN_IN, FALSE);

	CKVideo* video = (CKVideo*) beh->GetTarget();
	if ( !video ) {
		XString err = "Invalid Video";
		beh->SetOutputParameterValue(POUT_ERROR, err.Str(), err.Length() + 1 );
		beh->ActivateOutput(OUT_ERROR);
		return CKBR_OK;
	}

	int VideoType;
	beh->GetLocalParameterValue(SET_TYPE, &VideoType);

	switch (VideoType)
	{
		case CK_VIDEO_FILE:
		{
			XString path = (char*) beh->GetInputParameterReadDataPtr(PIN_PATH_URL);
			RETURN_IF_FAILED( PIN_PATH_URL, video->SetFileName(path) );
		}
		break;
		
		case CK_VIDEO_LIVE:
		{
			DWORD LiveFlags;
			beh->GetLocalParameterValue(SET_LIVEFLAGS, &LiveFlags);

			CKERROR res1;
			if ( LiveFlags & LIVE_VIDEOID ) {
				int VideoID = 0;
				beh->GetInputParameterValue(PIN_VIDEOID, &VideoID);
				res1 = video->SetVideoInputID(VideoID);
			}

			CKERROR res2;
			if ( LiveFlags & LIVE_AUDIOID ) {
				int AudioID = 0;
				beh->GetInputParameterValue(PIN_AUDIOID, &AudioID);				
				res2 = video->SetAudioInputID(AudioID);
			}

			RETURN_IF_FAILED(PIN_VIDEOID, res1);
			RETURN_IF_FAILED(PIN_AUDIOID, res2);
		}
		break;
		
		case CK_VIDEO_STREAM:
		{
			XString path = (char*) beh->GetInputParameterReadDataPtr(PIN_PATH_URL);
			RETURN_IF_FAILED( PIN_PATH_URL, video->SetUrl(path) );
		}
		break;
	}

	beh->SetOutputParameterValue(POUT_ERROR, "Success", 8);
	beh->ActivateOutput(OUT_OUT);
	return CKBR_OK;
}

//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
CKERROR InputPropertiesCB(const CKBehaviorContext& BehContext)
{
	CKContext*	ctx = BehContext.Context;
	CKBehavior*	beh = BehContext.Behavior;
	
	int VideoType;
	beh->GetLocalParameterValue(SET_TYPE, &VideoType);

	switch (VideoType)
	{
		case CK_VIDEO_FILE:
		{
			CKParameterIn* pin = beh->GetInputParameter(PIN_PATH_URL);
			pin->SetName("File");

			beh->EnableInputParameter(PIN_PATH_URL,	TRUE);
			beh->EnableInputParameter(PIN_VIDEOID,	FALSE);
			beh->EnableInputParameter(PIN_AUDIOID,	FALSE);
		}
		break;
	
		case CK_VIDEO_LIVE:
		{
			DWORD LiveFlags;
			beh->GetLocalParameterValue(SET_LIVEFLAGS, &LiveFlags);
			
			beh->EnableInputParameter(PIN_PATH_URL,	FALSE);
			beh->EnableInputParameter(PIN_VIDEOID,	LiveFlags & LIVE_VIDEOID);
			beh->EnableInputParameter(PIN_AUDIOID,	LiveFlags & LIVE_AUDIOID);
		}
		break;

		case CK_VIDEO_STREAM:
		{
			CKParameterIn* pin = beh->GetInputParameter(PIN_PATH_URL);
			pin->SetName("Url");
			
			beh->EnableInputParameter(PIN_PATH_URL,	TRUE);
			beh->EnableInputParameter(PIN_VIDEOID,	FALSE);
			beh->EnableInputParameter(PIN_AUDIOID,	FALSE);
		}
		break;			
	}
	
	return CKBR_OK;
}