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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2007 The Zdeno Ash Miklas
*
* This source file is part of VideoTexture library
*
* Contributor(s):
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gameengine/VideoTexture/VideoBase.cpp
* \ingroup bgevideotex
*/
#if defined WIN32
#define WINDOWS_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "VideoBase.h"
#include "FilterSource.h"
// VideoBase implementation
// initialize image data
void VideoBase::init(short width, short height)
{
// save original sizes
m_orgSize[0] = width;
m_orgSize[1] = height;
// call base class initialization
ImageBase::init(width, height);
}
// process video frame
void VideoBase::process (BYTE * sample)
{
// if scale was changed
if (m_scaleChange)
// reset image
init(m_orgSize[0], m_orgSize[1]);
// if image is allocated and is able to store new image
if (m_image != NULL && !m_avail)
{
// filters used
// convert video format to image
switch (m_format)
{
case RGBA32:
{
FilterRGBA32 filtRGBA;
// use filter object for format to convert image
filterImage(filtRGBA, sample, m_orgSize);
// finish
break;
}
case RGB24:
{
FilterRGB24 filtRGB;
// use filter object for format to convert image
filterImage(filtRGB, sample, m_orgSize);
// finish
break;
}
case YV12:
{
// use filter object for format to convert image
FilterYV12 filtYUV;
filtYUV.setBuffs(sample, m_orgSize);
filterImage(filtYUV, sample, m_orgSize);
// finish
break;
}
case None:
break; /* assert? */
}
}
}
// python functions
// exceptions for video source initialization
ExceptionID SourceVideoEmpty, SourceVideoCreation;
ExpDesc SourceVideoEmptyDesc (SourceVideoEmpty, "Source Video is empty");
ExpDesc SourceVideoCreationDesc (SourceVideoCreation, "SourceVideo object was not created");
// open video source
void Video_open (VideoBase * self, char * file, short captureID)
{
// if file is empty, throw exception
if (file == NULL) THRWEXCP(SourceVideoEmpty, S_OK);
// open video file or capture device
if (captureID >= 0)
self->openCam(file, captureID);
else
self->openFile(file);
}
// play video
PyObject *Video_play(PyImage *self)
{ if (getVideo(self)->play()) Py_RETURN_TRUE; else Py_RETURN_FALSE; }
// pause video
PyObject *Video_pause(PyImage *self)
{ if (getVideo(self)->pause()) Py_RETURN_TRUE; else Py_RETURN_FALSE; }
PyObject *Video_stop(PyImage *self)
{ if (getVideo(self)->stop()) Py_RETURN_TRUE; else Py_RETURN_FALSE; }
// get status
PyObject *Video_getStatus(PyImage *self, void *closure)
{
return Py_BuildValue("h", getVideo(self)->getStatus());
}
// refresh video
PyObject *Video_refresh(PyImage *self)
{
getVideo(self)->refresh();
return Video_getStatus(self, NULL);
}
// get range
PyObject *Video_getRange(PyImage *self, void *closure)
{
return Py_BuildValue("[ff]", getVideo(self)->getRange()[0],
getVideo(self)->getRange()[1]);
}
// set range
int Video_setRange(PyImage *self, PyObject *value, void *closure)
{
// check validity of parameter
if (value == NULL || !PySequence_Check(value) || PySequence_Size(value) != 2 ||
/* XXX - this is incorrect if the sequence is not a list/tuple! */
!PyFloat_Check(PySequence_Fast_GET_ITEM(value, 0)) ||
!PyFloat_Check(PySequence_Fast_GET_ITEM(value, 1)))
{
PyErr_SetString(PyExc_TypeError, "The value must be a sequence of 2 float");
return -1;
}
// set range
getVideo(self)->setRange(PyFloat_AsDouble(PySequence_Fast_GET_ITEM(value, 0)),
PyFloat_AsDouble(PySequence_Fast_GET_ITEM(value, 1)));
// success
return 0;
}
// get repeat
PyObject *Video_getRepeat (PyImage *self, void *closure)
{ return Py_BuildValue("h", getVideo(self)->getRepeat()); }
// set repeat
int Video_setRepeat(PyImage *self, PyObject *value, void *closure)
{
// check validity of parameter
if (value == NULL || !PyLong_Check(value))
{
PyErr_SetString(PyExc_TypeError, "The value must be an int");
return -1;
}
// set repeat
getVideo(self)->setRepeat(int(PyLong_AsLong(value)));
// success
return 0;
}
// get frame rate
PyObject *Video_getFrameRate (PyImage *self, void *closure)
{ return Py_BuildValue("f", double(getVideo(self)->getFrameRate())); }
// set frame rate
int Video_setFrameRate(PyImage *self, PyObject *value, void *closure)
{
// check validity of parameter
if (value == NULL || !PyFloat_Check(value))
{
PyErr_SetString(PyExc_TypeError, "The value must be a float");
return -1;
}
// set repeat
getVideo(self)->setFrameRate(float(PyFloat_AsDouble(value)));
// success
return 0;
}
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