523 lines
18 KiB
C
523 lines
18 KiB
C
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/*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* This is a new part of Blender.
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*
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* Contributor(s): Chris Keith
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include <BKE_main.h>
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#include <BKE_global.h>
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#include <BKE_library.h>
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#include <BKE_sound.h>
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#include <BLI_blenlib.h>
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#include <BIF_editsound.h>
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#include <BIF_space.h> /* allqueue() */
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#include "mydevice.h" /* redraw defines */
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#include "gen_utils.h"
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#include "Sound.h"
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/*****************************************************************************/
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/* Python BPy_Sound defaults: */
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/*****************************************************************************/
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/*****************************************************************************/
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/* Python API function prototypes for the Sound module. */
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/*****************************************************************************/
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static PyObject *M_Sound_New (PyObject *self, PyObject *args,
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PyObject *keywords);
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static PyObject *M_Sound_Get (PyObject *self, PyObject *args);
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static PyObject *M_Sound_Load (PyObject *self, PyObject *args);
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/************************************************************************/
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/* The following string definitions are used for documentation strings. */
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/* In Python these will be written to the console when doing a */
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/* Blender.Sound.__doc__ */
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/************************************************************************/
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static char M_Sound_doc[] =
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"The Blender Sound module\n\n";
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static char M_Sound_New_doc[] =
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"() - return a new Sound object -- unimplemented";
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static char M_Sound_Get_doc[] =
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"(name) - return the sound with the name 'name', \
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returns None if not found.\n If 'name' is not specified, \
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it returns a list of all sounds in the\ncurrent scene.";
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static char M_Sound_Load_doc[] =
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"(filename, redraw = 0) - return sound from file filename as Sound Object,\n\
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returns None if not found.";
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/*****************************************************************************/
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/* Python method structure definition for Blender.Sound module: */
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/*****************************************************************************/
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struct PyMethodDef M_Sound_methods[] = {
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{"New",(PyCFunction)M_Sound_New, METH_VARARGS|METH_KEYWORDS,
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M_Sound_New_doc},
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{"Get", M_Sound_Get, METH_VARARGS, M_Sound_Get_doc},
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{"get", M_Sound_Get, METH_VARARGS, M_Sound_Get_doc},
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{"Load", M_Sound_Load, METH_VARARGS, M_Sound_Load_doc},
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{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python Sound_Type callback function prototypes: */
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/*****************************************************************************/
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static void Sound_dealloc (BPy_Sound *self);
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static int Sound_setAttr (BPy_Sound *self, char *name, PyObject *v);
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static int Sound_compare (BPy_Sound *a, BPy_Sound *b);
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static PyObject *Sound_getAttr (BPy_Sound *self, char *name);
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static PyObject *Sound_repr (BPy_Sound *self);
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#define SOUND_FLOAT_METHODS(funcname, varname) \
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static PyObject *Sound_get ## funcname(BPy_Sound *self) { \
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char e[256]; \
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PyObject *attr = PyFloat_FromDouble(self->sound->varname); \
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if (attr) return attr; \
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sprintf(e, "couldn't get Sound.%s attribute", #varname); \
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return EXPP_ReturnPyObjError (PyExc_RuntimeError, e); \
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} \
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static PyObject *Sound_set ## funcname(BPy_Sound *self, PyObject *args) { \
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float f = 0; \
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if (!PyArg_ParseTuple(args, "f", &f)) \
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return (EXPP_ReturnPyObjError (PyExc_TypeError, \
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"expected float argument")); \
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self->sound->varname = f; \
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Py_INCREF(Py_None); \
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return Py_None; \
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}
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#define SOUND_FLOAT_METHOD_FUNCS(varname) \
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{"get"#varname, (PyCFunction)Sound_get ## varname, METH_NOARGS, \
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"() - Return Sound object "#varname}, \
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{"set"#varname, (PyCFunction)Sound_set ## varname, METH_VARARGS, \
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"(float) - Change Sound object "#varname},
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/*****************************************************************************/
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/* Python BPy_Sound methods declarations: */
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/*****************************************************************************/
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static PyObject *Sound_getName(BPy_Sound *self);
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static PyObject *Sound_getFilename(BPy_Sound *self);
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static PyObject *Sound_play(BPy_Sound *self);
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static PyObject *Sound_makeActive(BPy_Sound *self);
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SOUND_FLOAT_METHODS(Volume, volume)
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SOUND_FLOAT_METHODS(Panning, panning)
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SOUND_FLOAT_METHODS(Attenuation, attenuation)
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SOUND_FLOAT_METHODS(Pitch, pitch)
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SOUND_FLOAT_METHODS(MinGain, min_gain)
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SOUND_FLOAT_METHODS(MaxGain, max_gain)
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SOUND_FLOAT_METHODS(Distance, distance)
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/*****************************************************************************/
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/* Python BPy_Sound methods table: */
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/*****************************************************************************/
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static PyMethodDef BPy_Sound_methods[] = {
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/* name, method, flags, doc */
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{"getName", (PyCFunction)Sound_getName, METH_NOARGS,
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"() - Return Sound object name"},
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{"getFilename", (PyCFunction)Sound_getFilename, METH_NOARGS,
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"() - Return Sound object filename"},
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{"play", (PyCFunction)Sound_play, METH_NOARGS,
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"() - play this sound"},
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{"makeActive", (PyCFunction)Sound_makeActive, METH_NOARGS,
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"() - make this the active sound in the sound buttons win (also redraws)"},
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SOUND_FLOAT_METHOD_FUNCS(Volume)
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SOUND_FLOAT_METHOD_FUNCS(Panning)
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SOUND_FLOAT_METHOD_FUNCS(Attenuation)
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SOUND_FLOAT_METHOD_FUNCS(Pitch)
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SOUND_FLOAT_METHOD_FUNCS(MinGain)
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SOUND_FLOAT_METHOD_FUNCS(MaxGain)
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SOUND_FLOAT_METHOD_FUNCS(Distance)
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{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python Sound_Type structure definition: */
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/*****************************************************************************/
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PyTypeObject Sound_Type =
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{
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PyObject_HEAD_INIT(NULL)
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0, /* ob_size */
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"Blender Sound", /* tp_name */
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sizeof (BPy_Sound), /* tp_basicsize */
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0, /* tp_itemsize */
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/* methods */
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(destructor)Sound_dealloc, /* tp_dealloc */
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0, /* tp_print */
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(getattrfunc)Sound_getAttr, /* tp_getattr */
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(setattrfunc)Sound_setAttr, /* tp_setattr */
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(cmpfunc)Sound_compare, /* tp_compare */
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(reprfunc)Sound_repr, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_as_hash */
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0,0,0,0,0,0,
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0, /* tp_doc */
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0,0,0,0,0,0,
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BPy_Sound_methods, /* tp_methods */
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0, /* tp_members */
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};
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/*****************************************************************************/
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/* Function: M_Sound_New */
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/* Python equivalent: Blender.Sound.New */
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/*****************************************************************************/
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static PyObject *M_Sound_New(PyObject *self, PyObject *args, PyObject *keywords)
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{
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printf ("In Sound_New() - unimplemented in 2.34\n");
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Py_INCREF(Py_None);
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return Py_None;
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}
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/* NOTE: these were copied and modified from image.h. To Be Done TBD:
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* macro-ize them, or C++ templates eventually?
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*/
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/********************************************************************************/
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/* Function: M_Sound_Get */
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/* Python equivalent: Blender.Sound.Get */
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/* Description: Receives a string and returns the Sound object */
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/* whose name matches the string. If no argument is */
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/* passed in, a list of all Sound names in the */
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/* current scene is returned. */
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/*********************************************************************************/
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static PyObject *M_Sound_Get(PyObject *self, PyObject *args)
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{
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char *name = NULL;
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bSound *snd_iter;
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if (!PyArg_ParseTuple(args, "|s", &name))
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return (EXPP_ReturnPyObjError (PyExc_TypeError,
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"expected string argument (or nothing)"));
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snd_iter = G.main->sound.first;
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if (name) { /* (name) - Search Sound by name */
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BPy_Sound *wanted_Sound = NULL;
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while ((snd_iter) && (wanted_Sound == NULL)) {
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if (strcmp (name, snd_iter->id.name+2) == 0) {
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wanted_Sound = (BPy_Sound *)PyObject_NEW(BPy_Sound, &Sound_Type);
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if (wanted_Sound) {
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wanted_Sound->sound = snd_iter;
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break;
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}
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}
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snd_iter = snd_iter->id.next;
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}
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if (wanted_Sound == NULL) { /* Requested Sound doesn't exist */
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char error_msg[64];
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PyOS_snprintf(error_msg, sizeof(error_msg),
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"Sound \"%s\" not found", name);
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return (EXPP_ReturnPyObjError (PyExc_NameError, error_msg));
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}
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return (PyObject *)wanted_Sound;
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}
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else { /* () - return a list of all Sounds in the scene */
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int index = 0;
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PyObject *snd_list, *pyobj;
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snd_list = PyList_New (BLI_countlist (&(G.main->sound)));
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if (snd_list == NULL)
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return (EXPP_ReturnPyObjError (PyExc_MemoryError,
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"couldn't create PyList"));
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while (snd_iter) {
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pyobj = Sound_CreatePyObject (snd_iter);
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if (!pyobj)
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return (EXPP_ReturnPyObjError (PyExc_MemoryError,
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"couldn't create PyObject"));
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PyList_SET_ITEM (snd_list, index, pyobj);
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snd_iter = snd_iter->id.next;
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index++;
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}
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return (snd_list);
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}
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}
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/*****************************************************************************/
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/* Function: M_Sound_Load */
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/* Python equivalent: Blender.Sound.Load */
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/* Description: Receives a string and returns the Sound object */
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/* whose filename matches the string. */
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/*****************************************************************************/
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static PyObject *M_Sound_Load(PyObject *self, PyObject *args)
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{
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char *fname;
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bSound *snd_ptr;
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BPy_Sound *snd;
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if (!PyArg_ParseTuple(args, "s", &fname))
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return (EXPP_ReturnPyObjError (PyExc_TypeError,
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"expected string argument"));
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snd = (BPy_Sound *)PyObject_NEW(BPy_Sound, &Sound_Type);
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if (!snd)
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return (EXPP_ReturnPyObjError (PyExc_MemoryError,
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"couldn't create PyObject Sound_Type"));
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snd_ptr = sound_new_sound(fname);
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if (snd_ptr) {
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if (G.ssound) {
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G.ssound->sound= snd_ptr;
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}
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}
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if (!snd_ptr)
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return (EXPP_ReturnPyObjError (PyExc_IOError,
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"not a valid sound sample"));
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snd->sound = snd_ptr;
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return (PyObject *)snd;
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}
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/*****************************************************************************/
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/* Function: Sound_Init */
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/*****************************************************************************/
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PyObject *Sound_Init (void)
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{
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PyObject *submodule;
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Sound_Type.ob_type = &PyType_Type;
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submodule = Py_InitModule3("Blender.Sound", M_Sound_methods, M_Sound_doc);
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return (submodule);
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}
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/************************/
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/*** The Sound PyType ***/
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/************************/
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/*****************************************************************************/
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/* Function: Sound_dealloc */
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/* Description: This is a callback function for the BPy_Sound type. It is */
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/* the destructor function. */
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/*****************************************************************************/
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static void Sound_dealloc (BPy_Sound *self)
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{
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PyObject_DEL (self);
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}
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/*****************************************************************************/
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/* Function: Sound_CreatePyObject */
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/* Description: This function will create a new BPy_Sound from an existing */
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/* Blender Sound structure. */
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/*****************************************************************************/
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PyObject *Sound_CreatePyObject (bSound *snd)
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{
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BPy_Sound *py_snd;
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py_snd = (BPy_Sound *)PyObject_NEW (BPy_Sound, &Sound_Type);
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if (!py_snd)
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return EXPP_ReturnPyObjError (PyExc_MemoryError,
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"couldn't create BPy_Sound object");
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py_snd->sound = snd;
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return (PyObject *)py_snd;
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}
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/*****************************************************************************/
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/* Function: Sound_CheckPyObject */
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/* Description: This function returns true when the given PyObject is of the */
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|
/* type Sound. Otherwise it will return false. */
|
||
|
|
/*****************************************************************************/
|
||
|
|
int Sound_CheckPyObject (PyObject *pyobj)
|
||
|
|
{
|
||
|
|
return (pyobj->ob_type == &Sound_Type);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Function: Sound_FromPyObject */
|
||
|
|
/* Description: Returns the Blender Sound associated with this object */
|
||
|
|
/*****************************************************************************/
|
||
|
|
bSound *Sound_FromPyObject (PyObject *pyobj)
|
||
|
|
{
|
||
|
|
return ((BPy_Sound *)pyobj)->sound;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Python BPy_Sound methods: */
|
||
|
|
/*****************************************************************************/
|
||
|
|
static PyObject *Sound_getName(BPy_Sound *self)
|
||
|
|
{
|
||
|
|
PyObject *attr = PyString_FromString(self->sound->id.name+2);
|
||
|
|
|
||
|
|
if (attr) return attr;
|
||
|
|
|
||
|
|
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
|
||
|
|
"couldn't get Sound.name attribute"));
|
||
|
|
}
|
||
|
|
|
||
|
|
static PyObject *Sound_getFilename(BPy_Sound *self)
|
||
|
|
{
|
||
|
|
PyObject *attr = PyString_FromString(self->sound->name);
|
||
|
|
|
||
|
|
if (attr) return attr;
|
||
|
|
|
||
|
|
return (EXPP_ReturnPyObjError (PyExc_RuntimeError,
|
||
|
|
"couldn't get Sound.filename attribute"));
|
||
|
|
}
|
||
|
|
|
||
|
|
static PyObject *Sound_play(BPy_Sound *self)
|
||
|
|
{
|
||
|
|
sound_play_sound(self->sound);
|
||
|
|
|
||
|
|
Py_INCREF(Py_None);
|
||
|
|
return Py_None;
|
||
|
|
}
|
||
|
|
|
||
|
|
static PyObject *Sound_makeActive(BPy_Sound *self)
|
||
|
|
{
|
||
|
|
bSound *snd_ptr = self->sound;
|
||
|
|
|
||
|
|
if (snd_ptr) {
|
||
|
|
if (G.ssound) {
|
||
|
|
G.ssound->sound = snd_ptr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
allqueue(REDRAWSOUND, 0);
|
||
|
|
allqueue(REDRAWBUTSLOGIC, 0);
|
||
|
|
|
||
|
|
Py_INCREF (Py_None);
|
||
|
|
return Py_None;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Function: Sound_getAttr */
|
||
|
|
/* Description: This is a callback function for the BPy_Sound type. It is */
|
||
|
|
/* the function that accesses BPy_Sound member variables and */
|
||
|
|
/* methods. */
|
||
|
|
/*****************************************************************************/
|
||
|
|
static PyObject *Sound_getAttr (BPy_Sound *self, char *name)
|
||
|
|
{
|
||
|
|
PyObject *attr = Py_None;
|
||
|
|
|
||
|
|
if (strcmp(name, "name") == 0)
|
||
|
|
attr = PyString_FromString(self->sound->id.name+2);
|
||
|
|
else if (strcmp(name, "filename") == 0)
|
||
|
|
attr = PyString_FromString(self->sound->name);
|
||
|
|
|
||
|
|
else if (strcmp(name, "__members__") == 0)
|
||
|
|
attr = Py_BuildValue("[s,s]",
|
||
|
|
"name", "filename");
|
||
|
|
|
||
|
|
if (!attr)
|
||
|
|
return (EXPP_ReturnPyObjError (PyExc_MemoryError,
|
||
|
|
"couldn't create PyObject"));
|
||
|
|
|
||
|
|
if (attr != Py_None) return attr; /* attribute found, return its value */
|
||
|
|
|
||
|
|
/* not an attribute, search the methods table */
|
||
|
|
return Py_FindMethod(BPy_Sound_methods, (PyObject *)self, name);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Function: Sound_setAttr */
|
||
|
|
/* Description: This is a callback function for the BPy_Sound type. It is the*/
|
||
|
|
/* function that changes Sound object members values. If this */
|
||
|
|
/* data is linked to a Blender Sound, it also gets updated. */
|
||
|
|
/*****************************************************************************/
|
||
|
|
static int Sound_setAttr (BPy_Sound *self, char *name, PyObject *value)
|
||
|
|
{
|
||
|
|
PyObject *valtuple;
|
||
|
|
PyObject *error = NULL;
|
||
|
|
|
||
|
|
/* We're playing a trick on the Python API users here. Even if they use
|
||
|
|
* Sound.member = val instead of Sound.setMember(value), we end up using the
|
||
|
|
* function anyway, since it already has error checking, clamps to the right
|
||
|
|
* interval and updates the Blender Sound structure when necessary. */
|
||
|
|
|
||
|
|
valtuple = Py_BuildValue("(O)", value); /*the set* functions expect a tuple*/
|
||
|
|
|
||
|
|
if (!valtuple)
|
||
|
|
return EXPP_ReturnIntError(PyExc_MemoryError,
|
||
|
|
"SoundSetAttr: couldn't create PyTuple");
|
||
|
|
|
||
|
|
/* if (strcmp (name, "name") == 0)
|
||
|
|
error = Sound_setName (self, valtuple);
|
||
|
|
else */ {
|
||
|
|
/* Error: no such member in the Sound object structure */
|
||
|
|
Py_DECREF(value);
|
||
|
|
Py_DECREF(valtuple);
|
||
|
|
return (EXPP_ReturnIntError (PyExc_KeyError,
|
||
|
|
"attribute not found or immutable"));
|
||
|
|
}
|
||
|
|
|
||
|
|
Py_DECREF(valtuple);
|
||
|
|
|
||
|
|
if (error != Py_None) return -1;
|
||
|
|
|
||
|
|
Py_DECREF(Py_None); /* incref'ed by the called set* function */
|
||
|
|
return 0; /* normal exit */
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Function: Sound_compare */
|
||
|
|
/* Description: This is a callback function for the BPy_Sound type. It */
|
||
|
|
/* compares two Sound_Type objects. Only the "==" and "!=" */
|
||
|
|
/* comparisons are meaninful. Returns 0 for equality and -1 if */
|
||
|
|
/* they don't point to the same Blender Sound struct. */
|
||
|
|
/* In Python it becomes 1 if they are equal, 0 otherwise. */
|
||
|
|
/*****************************************************************************/
|
||
|
|
static int Sound_compare (BPy_Sound *a, BPy_Sound *b)
|
||
|
|
{
|
||
|
|
bSound *pa = a->sound, *pb = b->sound;
|
||
|
|
return (pa == pb) ? 0:-1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Function: Sound_repr */
|
||
|
|
/* Description: This is a callback function for the BPy_Sound type. It */
|
||
|
|
/* builds a meaninful string to represent Sound objects. */
|
||
|
|
/*****************************************************************************/
|
||
|
|
static PyObject *Sound_repr (BPy_Sound *self)
|
||
|
|
{
|
||
|
|
return PyString_FromFormat("[Sound \"%s\"]", self->sound->id.name+2);
|
||
|
|
}
|