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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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103e13fa66
Original commit message from CVS: * gst/common.h: * gst/gstmodule.c: * gst/interfaces.override: * gst/pbutils.override: * gst/pygstiterator.c: * gst/pygstminiobject.c: * gst/pygstminiobject.h: Fix double-import issues on macosx. Fixes #461838
257 lines
10 KiB
C
257 lines
10 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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#include "common.h"
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#include "pygstexception.h"
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#include <locale.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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void _pygst_register_boxed_types(PyObject *moddict);
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extern PyMethodDef pygst_functions[];
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GST_DEBUG_CATEGORY (pygst_debug); /* for bindings code */
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GST_DEBUG_CATEGORY (python_debug); /* for python code */
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/* copied from pygtk to register GType */
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#define REGISTER_TYPE(d, type, name) \
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type.ob_type = &PyType_Type; \
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type.tp_alloc = PyType_GenericAlloc; \
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type.tp_new = PyType_GenericNew; \
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if (PyType_Ready(&type)) \
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return; \
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PyDict_SetItemString(d, name, (PyObject *)&type);
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#define REGISTER_GTYPE(d, type, name, gtype) \
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REGISTER_TYPE(d, type, name); \
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PyDict_SetItemString(type.tp_dict, "__gtype__", \
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o=pyg_type_wrapper_new(gtype)); \
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Py_DECREF(o);
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static PyObject*
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pygstminiobject_from_gvalue(const GValue *value)
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{
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GstMiniObject *miniobj;
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if ((miniobj = gst_value_get_mini_object (value)) == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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return pygstminiobject_new(miniobj);
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}
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static int
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pygstminiobject_to_gvalue(GValue *value, PyObject *obj)
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{
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PyGstMiniObject *self = (PyGstMiniObject*) obj;
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gst_value_set_mini_object(value, self->obj);
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return 0;
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}
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static void
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sink_gstobject(GObject *object)
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{
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if (GST_OBJECT_IS_FLOATING(object)) {
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g_object_ref(object);
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gst_object_sink(GST_OBJECT(object));
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}
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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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guint major, minor, micro, nano;
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char **argv;
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GError *error = NULL;
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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, &error)) {
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gchar *errstr;
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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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errstr = g_strdup_printf ("can't initialize module gst: %s",
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error ? GST_STR_NULL (error->message) : "no error given");
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PyErr_SetString (PyExc_RuntimeError, errstr);
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g_free (errstr);
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g_error_free (error);
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setlocale(LC_NUMERIC, "C");
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return;
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}
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setlocale(LC_NUMERIC, "C");
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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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/* Initialize debugging category */
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GST_DEBUG_CATEGORY_INIT (pygst_debug, "pygst", 0, "GStreamer python bindings");
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GST_DEBUG_CATEGORY_INIT (python_debug, "python",
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GST_DEBUG_FG_GREEN, "python code using gst-python");
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pygobject_register_sinkfunc(GST_TYPE_OBJECT, sink_gstobject);
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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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gst_version(&major, &minor, µ, &nano);
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tuple = Py_BuildValue("(iii)", major, minor, 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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/* clock stuff */
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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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PyModule_AddObject(m, "CLOCK_TIME_NONE", PyLong_FromUnsignedLongLong(GST_CLOCK_TIME_NONE));
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PyModule_AddObject(m, "BUFFER_OFFSET_NONE", PyLong_FromUnsignedLongLong(GST_BUFFER_OFFSET_NONE));
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pygst_exceptions_register_classes (d);
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REGISTER_TYPE(d, PyGstIterator_Type, "Iterator");
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pygstminiobject_register_class(d, "GstMiniObject", GST_TYPE_MINI_OBJECT,
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&PyGstMiniObject_Type, NULL);
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pyg_register_boxed_custom(GST_TYPE_MINI_OBJECT,
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pygstminiobject_from_gvalue,
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pygstminiobject_to_gvalue);
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pygst_register_classes (d);
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pygst_add_constants (m, "GST_");
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/* make our types available */
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PyModule_AddObject (m, "TYPE_ELEMENT_FACTORY",
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pyg_type_wrapper_new(GST_TYPE_ELEMENT_FACTORY));
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PyModule_AddObject (m, "TYPE_INDEX_FACTORY",
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pyg_type_wrapper_new(GST_TYPE_INDEX_FACTORY));
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PyModule_AddObject (m, "TYPE_TYPE_FIND_FACTORY",
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pyg_type_wrapper_new(GST_TYPE_TYPE_FIND_FACTORY));
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/* GStreamer core tags */
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PyModule_AddStringConstant (m, "TAG_TITLE", GST_TAG_TITLE);
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PyModule_AddStringConstant (m, "TAG_ARTIST", GST_TAG_ARTIST);
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PyModule_AddStringConstant (m, "TAG_ALBUM", GST_TAG_ALBUM);
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PyModule_AddStringConstant (m, "TAG_DATE", GST_TAG_DATE);
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PyModule_AddStringConstant (m, "TAG_GENRE", GST_TAG_GENRE);
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PyModule_AddStringConstant (m, "TAG_COMMENT", GST_TAG_COMMENT);
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PyModule_AddStringConstant (m, "TAG_TRACK_NUMBER", GST_TAG_TRACK_NUMBER);
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PyModule_AddStringConstant (m, "TAG_TRACK_COUNT", GST_TAG_TRACK_COUNT);
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PyModule_AddStringConstant (m, "TAG_ALBUM_VOLUME_NUMBER", GST_TAG_ALBUM_VOLUME_NUMBER);
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PyModule_AddStringConstant (m, "TAG_ALBUM_VOLUME_COUNT", GST_TAG_ALBUM_VOLUME_COUNT);
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PyModule_AddStringConstant (m, "TAG_LOCATION", GST_TAG_LOCATION);
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PyModule_AddStringConstant (m, "TAG_DESCRIPTION", GST_TAG_DESCRIPTION);
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PyModule_AddStringConstant (m, "TAG_VERSION", GST_TAG_VERSION);
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PyModule_AddStringConstant (m, "TAG_ISRC", GST_TAG_ISRC);
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PyModule_AddStringConstant (m, "TAG_ORGANIZATION", GST_TAG_ORGANIZATION);
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PyModule_AddStringConstant (m, "TAG_COPYRIGHT", GST_TAG_COPYRIGHT);
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PyModule_AddStringConstant (m, "TAG_CONTACT", GST_TAG_CONTACT);
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PyModule_AddStringConstant (m, "TAG_LICENSE", GST_TAG_LICENSE);
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PyModule_AddStringConstant (m, "TAG_PERFORMER", GST_TAG_PERFORMER);
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PyModule_AddStringConstant (m, "TAG_DURATION", GST_TAG_DURATION);
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PyModule_AddStringConstant (m, "TAG_CODEC", GST_TAG_CODEC);
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PyModule_AddStringConstant (m, "TAG_VIDEO_CODEC", GST_TAG_VIDEO_CODEC);
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PyModule_AddStringConstant (m, "TAG_AUDIO_CODEC", GST_TAG_AUDIO_CODEC);
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PyModule_AddStringConstant (m, "TAG_BITRATE", GST_TAG_BITRATE);
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PyModule_AddStringConstant (m, "TAG_NOMINAL_BITRATE", GST_TAG_NOMINAL_BITRATE);
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PyModule_AddStringConstant (m, "TAG_MINIMUM_BITRATE", GST_TAG_MINIMUM_BITRATE);
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PyModule_AddStringConstant (m, "TAG_MAXIMUM_BITRATE", GST_TAG_MAXIMUM_BITRATE);
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PyModule_AddStringConstant (m, "TAG_SERIAL", GST_TAG_SERIAL);
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PyModule_AddStringConstant (m, "TAG_ENCODER", GST_TAG_ENCODER);
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PyModule_AddStringConstant (m, "TAG_ENCODER_VERSION", GST_TAG_ENCODER_VERSION);
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PyModule_AddStringConstant (m, "TAG_TRACK_GAIN", GST_TAG_TRACK_GAIN);
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PyModule_AddStringConstant (m, "TAG_TRACK_PEAK", GST_TAG_TRACK_PEAK);
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PyModule_AddStringConstant (m, "TAG_ALBUM_GAIN", GST_TAG_ALBUM_GAIN);
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PyModule_AddStringConstant (m, "TAG_ALBUM_PEAK", GST_TAG_ALBUM_PEAK);
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PyModule_AddStringConstant (m, "TAG_LANGUAGE_CODE", GST_TAG_LANGUAGE_CODE);
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#if (GST_VERSION_MAJOR == 0 && GST_VERSION_MINOR == 10 && \
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((GST_VERSION_MICRO >= 6) || (GST_VERSION_MICRO == 5 && GST_VERSION_NANO > 0)))
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PyModule_AddStringConstant (m, "TAG_IMAGE", GST_TAG_IMAGE);
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#if ((GST_VERSION_MICRO >= 7) || (GST_VERSION_MICRO == 6 && GST_VERSION_NANO > 0 ))
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PyModule_AddStringConstant (m, "TAG_PREVIEW_IMAGE", GST_TAG_PREVIEW_IMAGE);
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#if ((GST_VERSION_MICRO >= 10) || (GST_VERSION_MICRO == 9 && GST_VERSION_NANO > 0 ))
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PyModule_AddStringConstant (m, "TAG_EXTENDED_COMMENT", GST_TAG_EXTENDED_COMMENT);
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#if ((GST_VERSION_MICRO >= 14) || (GST_VERSION_MICRO == 13 && GST_VERSION_NANO > 0))
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PyModule_AddStringConstant (m, "TAG_LICENSE_URI", GST_TAG_LICENSE_URI);
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#if ((GST_VERSION_MICRO >= 15) || (GST_VERSION_MICRO == 14 && GST_VERSION_NANO > 0))
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PyModule_AddStringConstant (m, "TAG_COMPOSER", GST_TAG_COMPOSER);
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PyModule_AddStringConstant (m, "TAG_ARTIST_SORTNAME", GST_TAG_ARTIST_SORTNAME);
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PyModule_AddStringConstant (m, "TAG_ALBUM_SORTNAME", GST_TAG_ALBUM_SORTNAME);
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PyModule_AddStringConstant (m, "TAG_TITLE_SORTNAME", GST_TAG_TITLE_SORTNAME);
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#endif
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#endif
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#endif
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#endif
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#endif
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PyModule_AddStringConstant (m, "LIBRARY_ERROR", (gchar *) g_quark_to_string(GST_LIBRARY_ERROR));
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PyModule_AddStringConstant (m, "RESOURCE_ERROR",(gchar *) g_quark_to_string(GST_RESOURCE_ERROR));
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PyModule_AddStringConstant (m, "CORE_ERROR", (gchar *) g_quark_to_string(GST_CORE_ERROR));
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PyModule_AddStringConstant (m, "STREAM_ERROR", (gchar *) g_quark_to_string(GST_STREAM_ERROR));
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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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