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fbd17dd797
Original commit message from CVS: * gst/gst.override: * gst/gstlibs.override: Proper wrapping of GstController * examples/Makefile.am: * examples/audio-controller.py: Example to show how to use gst.Controller
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/* -*- Mode: C; ; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2005 Edward Hervey
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Johan Dahlin <johan@gnome.org>
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*/
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%%
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override gst_controller_set args
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static PyObject *
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_wrap_gst_controller_set (PyGObject *self, PyObject *args)
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{
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GstController *controller = (GstController *) self->obj;
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gchar *param_name;
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GstClockTime timestamp;
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GValue value = { 0, };
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PyObject *pvalue;
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GType type = 0;
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GList *tmp;
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gboolean res;
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if (!PyArg_ParseTuple(args, "sLO:GstController.set",
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¶m_name, ×tamp, &pvalue))
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return NULL;
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/* We need to find the GType to convert to */
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for (tmp = controller->properties; tmp; tmp = g_list_next (tmp)) {
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GstControlledProperty *prop = (GstControlledProperty *) tmp->data;
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if (!strcmp (prop->name, param_name))
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type = prop->type;
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}
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if (!type) {
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PyErr_SetString (PyExc_TypeError,
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"The controller doesn't handle the given property");
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return NULL;
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}
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g_value_init (&value, type);
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if (pyg_value_from_pyobject (&value, pvalue)) {
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PyErr_SetString (PyExc_TypeError,
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"Couldn't convert the given value to the good type");
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return NULL;
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}
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res = gst_controller_set (controller, param_name, timestamp, &value);
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if (res) {
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Py_INCREF (Py_True);
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return Py_True;
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}
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Py_INCREF (Py_False);
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return Py_False;
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}
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%%
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override gst_controller_new_list args
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static int
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_wrap_gst_controller_new_list(PyGObject *self, PyObject *args)
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{
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PyGObject *target;
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gint len;
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GList *list = NULL;
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if ((len = PyTuple_Size(args)) < 1) {
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PyErr_SetString(PyExc_TypeError, "Controller requires at least a target object");
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return -1;
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}
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target = (PyGObject *) PyTuple_GetItem(args, 0);
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if (len > 1)
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while (len-- > 1) {
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PyObject *temp;
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gchar *str;
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temp = PyTuple_GetItem(args, len);
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str = PyString_AsString(temp);
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GST_INFO("prepending %s [%d]", str, len);
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list = g_list_prepend(list, PyString_AsString(temp));
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}
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self->obj = (GObject *) gst_controller_new_list(target->obj, list);
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if (!self->obj) {
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PyErr_SetString(PyExc_RuntimeError, "could not create GstController object");
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return -1;
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}
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pygobject_register_wrapper((PyObject *) self);
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return 0;
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}
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