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Diffstat (limited to 'source/gameengine/VideoTexture/VideoBase.h')
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diff --git a/source/gameengine/VideoTexture/VideoBase.h b/source/gameengine/VideoTexture/VideoBase.h
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+/* $Id$
+-----------------------------------------------------------------------------
+This source file is part of VideoTexture library
+
+Copyright (c) 2007 The Zdeno Ash Miklas
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place - Suite 330, Boston, MA 02111-1307, USA, or go to
+http://www.gnu.org/copyleft/lesser.txt.
+-----------------------------------------------------------------------------
+*/
+
+#if !defined VIDEOBASE_H
+#define VIDEOBASE_H
+
+
+#include <PyObjectPlus.h>
+
+#include "ImageBase.h"
+
+#include "Exception.h"
+
+// source states
+const int SourceError = -1;
+const int SourceEmpty = 0;
+const int SourceReady = 1;
+const int SourcePlaying = 2;
+const int SourceStopped = 3;
+
+
+// video source formats
+enum VideoFormat { None, RGB24, YV12, RGBA32 };
+
+
+/// base class for video source
+class VideoBase : public ImageBase
+{
+public:
+ /// constructor
+ VideoBase (void) : ImageBase(true), m_format(None), m_status(SourceEmpty),
+ m_repeat(0), m_frameRate(1.0)
+ {
+ m_orgSize[0] = m_orgSize[1] = 0;
+ m_range[0] = m_range[1] = 0.0;
+ }
+
+ /// destructor
+ virtual ~VideoBase (void) {}
+
+ /// open video file
+ virtual void openFile (char * file)
+ {
+ m_isFile = true;
+ m_status = SourceReady;
+ }
+ /// open video capture device
+ virtual void openCam (char * file, short camIdx)
+ {
+ m_isFile = false;
+ m_status = SourceReady;
+ }
+
+ /// play video
+ virtual bool play (void)
+ {
+ if (m_status == SourceReady || m_status == SourceStopped)
+ {
+ m_status = SourcePlaying;
+ return true;
+ }
+ return false;
+ }
+ /// stop/pause video
+ virtual bool stop (void)
+ {
+ if (m_status == SourcePlaying)
+ {
+ m_status = SourceStopped;
+ return true;
+ }
+ return false;
+ }
+
+ // get video status
+ int getStatus (void) { return m_status; }
+
+ /// get play range
+ const double * getRange (void) { return m_range; }
+ /// set play range
+ virtual void setRange (double start, double stop)
+ {
+ if (m_isFile)
+ {
+ m_range[0] = start;
+ m_range[1] = stop;
+ }
+ }
+
+ // get video repeat
+ int getRepeat (void) { return m_repeat; }
+ /// set video repeat
+ virtual void setRepeat (int rep)
+ { if (m_isFile) m_repeat = rep; }
+
+ /// get frame rate
+ float getFrameRate (void) { return m_frameRate; }
+ /// set frame rate
+ virtual void setFrameRate (float rate)
+ { if (m_isFile) m_frameRate = rate > 0.0 ? rate : 1.0f; }
+
+protected:
+ /// video format
+ VideoFormat m_format;
+ /// original video size
+ short m_orgSize[2];
+
+ /// video status
+ int m_status;
+
+ /// is source file
+ bool m_isFile;
+
+ /// replay range
+ double m_range[2];
+ /// repeat count
+ int m_repeat;
+ /// frame rate
+ float m_frameRate;
+
+ /// initialize image data
+ void init (short width, short height);
+
+ /// process source data
+ void process (BYTE * sample);
+};
+
+
+
+// python fuctions
+
+
+// cast Image pointer to Video
+inline VideoBase * getVideo (PyImage * self)
+{ return static_cast<VideoBase*>(self->m_image); }
+
+
+extern ExceptionID SourceVideoCreation;
+
+// object initialization
+template <class T> void Video_init (PyImage * self)
+{
+ // create source video object
+ if (self->m_image != NULL) delete self->m_image;
+ HRESULT hRslt = S_OK;
+ self->m_image = new T(&hRslt);
+ CHCKHRSLT(hRslt, SourceVideoCreation);
+}
+
+
+// video functions
+void Video_open (VideoBase * self, char * file, short captureID);
+PyObject * Video_play (PyImage * self);
+PyObject * Video_stop (PyImage * self);
+PyObject * Video_refresh (PyImage * self);
+PyObject * Video_getStatus (PyImage * self, void * closure);
+PyObject * Video_getRange (PyImage * self, void * closure);
+int Video_setRange (PyImage * self, PyObject * value, void * closure);
+PyObject * Video_getRepeat (PyImage * self, void * closure);
+int Video_setRepeat (PyImage * self, PyObject * value, void * closure);
+PyObject * Video_getFrameRate (PyImage * self, void * closure);
+int Video_setFrameRate (PyImage * self, PyObject * value, void * closure);
+
+
+#endif
+