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Diffstat (limited to 'source/gameengine/VideoTexture/VideoBase.cpp')
| -rw-r--r-- | source/gameengine/VideoTexture/VideoBase.cpp | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/source/gameengine/VideoTexture/VideoBase.cpp b/source/gameengine/VideoTexture/VideoBase.cpp new file mode 100644 index 00000000000..10117c3af9e --- /dev/null +++ b/source/gameengine/VideoTexture/VideoBase.cpp @@ -0,0 +1,195 @@ +/* $Id$ +----------------------------------------------------------------------------- +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 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; + } + } + } +} + + +// 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; } + +// stop video +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_Length(value) != 2 + || !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 longs"); + 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 || !PyInt_Check(value)) + { + PyErr_SetString(PyExc_TypeError, "The value must be an int"); + return -1; + } + // set repeat + getVideo(self)->setRepeat(int(PyInt_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; +} |