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Original commit message from CVS: 2004-10-10 Zaheer Abbas Merali <zaheerabbas at merali dot org> * gst/gstmodule.c: (init_gst): Make gst-python not hang on import when embedded. Fixes bug #155041
127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/* -*- Mode: C; ; c-file-style: "k&r"; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2002 David I. Lehn
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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: David I. Lehn <dlehn@users.sourceforge.net>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* include this first, before NO_IMPORT_PYGOBJECT is defined */
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#include <pygobject.h>
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#include <gst/gst.h>
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#include <gst/gstversion.h>
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void pygst_register_classes (PyObject *d);
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void pygst_add_constants(PyObject *module, const gchar *strip_prefix);
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extern PyMethodDef pygst_functions[];
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extern GSList *mainloops;
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extern void _pygst_main_quit(void);
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/* This is a timeout that gets added to the mainloop to handle SIGINT (Ctrl-C)
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* Other signals get handled at some other point where transition from
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* C -> Python is being made.
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*/
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static gboolean
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python_do_pending_calls(gpointer data)
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{
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gboolean quit = FALSE;
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PyGILState_STATE state;
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if (PyOS_InterruptOccurred()) {
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state = pyg_gil_state_ensure();
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PyErr_SetNone(PyExc_KeyboardInterrupt);
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pyg_gil_state_release(state);
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quit = TRUE;
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}
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if (quit && mainloops != NULL)
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_pygst_main_quit();
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return TRUE;
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}
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DL_EXPORT(void)
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init_gst (void)
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{
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PyObject *m, *d;
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PyObject *av, *tuple;
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int argc, i;
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char **argv;
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init_pygobject ();
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/* pull in arguments */
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av = PySys_GetObject ("argv");
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if (av != NULL) {
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argc = PyList_Size (av);
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argv = g_new (char *, argc);
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for (i = 0; i < argc; i++)
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argv[i] = g_strdup (PyString_AsString (PyList_GetItem (av, i)));
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} else {
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/* gst_init_check does not like argc == 0 */
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argc = 1;
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argv = g_new (char *, argc);
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argv[0] = g_strdup("");
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}
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if (!gst_init_check (&argc, &argv)) {
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if (argv != NULL) {
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for (i = 0; i < argc; i++)
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g_free (argv[i]);
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g_free (argv);
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}
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PyErr_SetString (PyExc_RuntimeError, "can't initialize module gst");
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}
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if (argv != NULL) {
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PySys_SetArgv (argc, argv);
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for (i = 0; i < argc; i++)
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g_free (argv[i]);
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g_free (argv);
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}
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m = Py_InitModule ("_gst", pygst_functions);
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d = PyModule_GetDict (m);
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/* gst+ version */
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tuple = Py_BuildValue ("(iii)", GST_VERSION_MAJOR, GST_VERSION_MINOR,
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GST_VERSION_MICRO);
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PyDict_SetItemString(d, "gst_version", tuple);
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Py_DECREF(tuple);
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/* gst-python version */
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tuple = Py_BuildValue ("(iii)", PYGST_MAJOR_VERSION, PYGST_MINOR_VERSION,
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PYGST_MICRO_VERSION);
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PyDict_SetItemString(d, "pygst_version", tuple);
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Py_DECREF(tuple);
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PyModule_AddIntConstant(m, "SECOND", GST_SECOND);
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PyModule_AddIntConstant(m, "MSECOND", GST_MSECOND);
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PyModule_AddIntConstant(m, "NSECOND", GST_NSECOND);
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pygst_register_classes (d);
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pygst_add_constants (m, "GST_");
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g_timeout_add_full (0, 100, python_do_pending_calls, NULL, NULL);
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if (PyErr_Occurred ()) {
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Py_FatalError ("can't initialize module gst");
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}
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}
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