164 lines
4.4 KiB
C++
164 lines
4.4 KiB
C++
/*************************************************************************/
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/* File : VideoCapture.cpp */
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/* */
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/* Author : Leïla AIT KACI */
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/* Last Modification : 28/05/03 */
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/*************************************************************************/
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#include "CKAll.h"
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#include "CKVideo.h"
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#include "CKVideoManager.h"
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CKObjectDeclaration* FillBehaviorVideoCaptureDecl ();
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CKERROR CreateVideoCaptureProto (CKBehaviorPrototype **);
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int VideoCapture (const CKBehaviorContext& BehContext);
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//////////////////////////////////////////////////////////////////////
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// Defines
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//////////////////////////////////////////////////////////////////////
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#define BB_NAME "Video Capture"
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#define BB_DESC "Capture the current image of a video."
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#define BB_CAT "Video/Basic"
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#define BB_VERSION 0x00010000
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#define BB_TARGET CKCID_VIDEO
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#define RETURN_IF_FAILED(res) \
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if ( res != CK_OK ) { \
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XString err = video->GetErrorDescrition(res); \
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beh->SetOutputParameterValue(POUT_ERROR, err.Str(), err.Length() + 1 ); \
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beh->ActivateOutput(OUT_ERROR); \
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return CKBR_OK; \
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}
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//////////////////////////////////////////////////////////////////////
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// Enums for Parameter's Indexes
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//////////////////////////////////////////////////////////////////////
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enum BB_IN
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{
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IN_IN
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};
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enum BB_OUT
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{
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OUT_OUT,
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OUT_ERROR
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};
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enum BB_LOC
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{
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};
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enum BB_PIN
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{
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PIN_TARGET_TEXTURE
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};
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enum BB_POUT
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{
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POUT_ERROR
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};
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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CKObjectDeclaration *FillBehaviorVideoCaptureDecl()
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{
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CKObjectDeclaration *od = CreateCKObjectDeclaration(BB_NAME);
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od->SetType(CKDLL_BEHAVIORPROTOTYPE);
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od->SetCompatibleClassId(BB_TARGET);
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od->SetDescription(BB_DESC);
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od->SetVersion(BB_VERSION);
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od->SetCategory(BB_CAT);
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od->SetAuthorName("Virtools");
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od->SetAuthorGuid(VIRTOOLS_GUID);
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od->SetGuid(CKGUID(0x1470206b,0x5b087f1f));
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od->SetCreationFunction(CreateVideoCaptureProto);
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return od;
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}
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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CKERROR CreateVideoCaptureProto(CKBehaviorPrototype** pproto)
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{
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CKBehaviorPrototype *proto = CreateCKBehaviorPrototype(BB_NAME);
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if(!proto) return CKERR_OUTOFMEMORY;
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//--- Inputs declaration
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proto->DeclareInput("In");
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//--- Outputs declaration
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proto->DeclareOutput("Out");
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proto->DeclareOutput("Error");
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//----- Input Parameters Declaration
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proto->DeclareInParameter("Target", CKPGUID_TEXTURE);
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//--- Output Parameters Declaration
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proto->DeclareOutParameter("Error", CKPGUID_STRING);
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//---- Settings Declaration
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proto->SetFlags(CK_BEHAVIORPROTOTYPE_NORMAL);
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proto->SetBehaviorFlags((CK_BEHAVIOR_FLAGS)(CKBEHAVIOR_TARGETABLE));
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proto->SetFunction(VideoCapture);
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*pproto = proto;
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return CK_OK;
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}
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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int VideoCapture(const CKBehaviorContext& BehContext)
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{
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CKContext* ctx = BehContext.Context;
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CKBehavior* beh = BehContext.Behavior;
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beh->ActivateInput(IN_IN, FALSE);
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CKVideo* video = (CKVideo*) beh->GetTarget();
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if ( !video ) {
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XString err = "Invalid Video";
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beh->SetOutputParameterValue(POUT_ERROR, err.Str(), err.Length() + 1 );
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beh->ActivateOutput(OUT_ERROR);
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return CKBR_OK;
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}
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CKTexture* target = (CKTexture*) beh->GetInputParameterObject(PIN_TARGET_TEXTURE);
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if ( !target ) {
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XString err = "Invalid Texture";
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beh->SetOutputParameterValue(POUT_ERROR, err.Str(), err.Length() + 1 );
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beh->ActivateOutput(OUT_ERROR);
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return CKBR_OK;
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}
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CK_VIDEO_STATE State = video->GetState();
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switch ( State )
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{
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////////////////////////
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case CK_VIDEO_INVALID:
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RETURN_IF_FAILED( CK_VIDEOERR_NOTLOADED );
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break;
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////////////////////////
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case CK_VIDEO_LOADING:
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RETURN_IF_FAILED( CK_VIDEOERR_LOADING );
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break;
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////////////////////////
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case CK_VIDEO_UNLOADING:
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RETURN_IF_FAILED( CK_VIDEOERR_UNLOADING );
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break;
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////////////////////////
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case CK_VIDEO_STOPPED:
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case CK_VIDEO_PLAYING:
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case CK_VIDEO_PAUSED:
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RETURN_IF_FAILED( video->CaptureImage(target) );
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beh->SetOutputParameterValue(POUT_ERROR, "Success", 8);
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beh->ActivateOutput(OUT_OUT);
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break;
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}
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return CKBR_OK;
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}
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