mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 21:01:14 +00:00
37e88dd9f6
Original commit message from CVS: reviewed by: Edward Hervey <edward@fluendo.com> * gst/gstmodule.c: (init_gst): gst.gst_version uses the result of gst_version() rather than use the GST_VERSION_* hardcoded values. Closes #331616
246 lines
8.8 KiB
C
246 lines
8.8 KiB
C
/* -*- Mode: C; ; c-file-style: "k&r"; c-basic-offset: 4 -*- */
|
|
/* gst-python
|
|
* Copyright (C) 2002 David I. Lehn
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* Author: David I. Lehn <dlehn@users.sourceforge.net>
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "pygstminiobject.h"
|
|
#include "pygstexception.h"
|
|
|
|
#include <locale.h>
|
|
|
|
/* include this first, before NO_IMPORT_PYGOBJECT is defined */
|
|
#include <pygobject.h>
|
|
#include <gst/gst.h>
|
|
#include <gst/gstversion.h>
|
|
|
|
void pygst_register_classes (PyObject *d);
|
|
void pygst_add_constants(PyObject *module, const gchar *strip_prefix);
|
|
void _pygst_register_boxed_types(PyObject *moddict);
|
|
|
|
extern PyMethodDef pygst_functions[];
|
|
|
|
GST_DEBUG_CATEGORY (pygst_debug); /* for bindings code */
|
|
GST_DEBUG_CATEGORY (python_debug); /* for python code */
|
|
|
|
/* copied from pygtk to register GType */
|
|
#define REGISTER_TYPE(d, type, name) \
|
|
type.ob_type = &PyType_Type; \
|
|
type.tp_alloc = PyType_GenericAlloc; \
|
|
type.tp_new = PyType_GenericNew; \
|
|
if (PyType_Ready(&type)) \
|
|
return; \
|
|
PyDict_SetItemString(d, name, (PyObject *)&type);
|
|
|
|
#define REGISTER_GTYPE(d, type, name, gtype) \
|
|
REGISTER_TYPE(d, type, name); \
|
|
PyDict_SetItemString(type.tp_dict, "__gtype__", \
|
|
o=pyg_type_wrapper_new(gtype)); \
|
|
Py_DECREF(o);
|
|
|
|
|
|
/* This is a timeout that gets added to the mainloop to handle SIGINT (Ctrl-C)
|
|
* Other signals get handled at some other point where transition from
|
|
* C -> Python is being made.
|
|
*/
|
|
static gboolean
|
|
python_do_pending_calls(gpointer data)
|
|
{
|
|
PyGILState_STATE state;
|
|
|
|
if (PyOS_InterruptOccurred()) {
|
|
state = pyg_gil_state_ensure();
|
|
PyErr_SetNone(PyExc_KeyboardInterrupt);
|
|
pyg_gil_state_release(state);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static PyObject*
|
|
pygstminiobject_from_gvalue(const GValue *value)
|
|
{
|
|
GstMiniObject *miniobj;
|
|
|
|
if ((miniobj = gst_value_get_mini_object (value)) == NULL)
|
|
return NULL;
|
|
return pygstminiobject_new(miniobj);
|
|
}
|
|
|
|
static int
|
|
pygstminiobject_to_gvalue(GValue *value, PyObject *obj)
|
|
{
|
|
PyGstMiniObject *self = (PyGstMiniObject*) obj;
|
|
|
|
gst_value_set_mini_object(value, self->obj);
|
|
return 0;
|
|
}
|
|
|
|
DL_EXPORT(void)
|
|
init_gst (void)
|
|
{
|
|
PyObject *m, *d;
|
|
PyObject *av, *tuple;
|
|
int argc, i;
|
|
guint major, minor, micro, nano;
|
|
char **argv;
|
|
GError *error = NULL;
|
|
|
|
init_pygobject ();
|
|
|
|
/* pull in arguments */
|
|
av = PySys_GetObject ("argv");
|
|
if (av != NULL) {
|
|
argc = PyList_Size (av);
|
|
argv = g_new (char *, argc);
|
|
for (i = 0; i < argc; i++)
|
|
argv[i] = g_strdup (PyString_AsString (PyList_GetItem (av, i)));
|
|
} else {
|
|
/* gst_init_check does not like argc == 0 */
|
|
argc = 1;
|
|
argv = g_new (char *, argc);
|
|
argv[0] = g_strdup("");
|
|
}
|
|
if (!gst_init_check (&argc, &argv, &error)) {
|
|
gchar *errstr;
|
|
|
|
if (argv != NULL) {
|
|
for (i = 0; i < argc; i++)
|
|
g_free (argv[i]);
|
|
g_free (argv);
|
|
}
|
|
errstr = g_strdup_printf ("can't initialize module gst: %s",
|
|
GST_STR_NULL (error->message));
|
|
PyErr_SetString (PyExc_RuntimeError, errstr);
|
|
g_free (errstr);
|
|
g_error_free (error);
|
|
setlocale(LC_NUMERIC, "C");
|
|
return;
|
|
}
|
|
|
|
setlocale(LC_NUMERIC, "C");
|
|
if (argv != NULL) {
|
|
PySys_SetArgv (argc, argv);
|
|
for (i = 0; i < argc; i++)
|
|
g_free (argv[i]);
|
|
g_free (argv);
|
|
}
|
|
|
|
/* Initialize debugging category */
|
|
GST_DEBUG_CATEGORY_INIT (pygst_debug, "pygst", 0, "GStreamer python bindings");
|
|
GST_DEBUG_CATEGORY_INIT (python_debug, "python",
|
|
GST_DEBUG_FG_GREEN, "python code using gst-python");
|
|
|
|
/* _pygst_register_boxed_types (NULL); */
|
|
pygobject_register_sinkfunc(GST_TYPE_OBJECT, pygstobject_sink);
|
|
|
|
m = Py_InitModule ("_gst", pygst_functions);
|
|
d = PyModule_GetDict (m);
|
|
|
|
/* gst version */
|
|
gst_version(&major, &minor, µ, &nano);
|
|
tuple = Py_BuildValue("(iii)", major, minor, micro);
|
|
PyDict_SetItemString(d, "gst_version", tuple);
|
|
Py_DECREF(tuple);
|
|
|
|
/* gst-python version */
|
|
tuple = Py_BuildValue ("(iii)", PYGST_MAJOR_VERSION, PYGST_MINOR_VERSION,
|
|
PYGST_MICRO_VERSION);
|
|
PyDict_SetItemString(d, "pygst_version", tuple);
|
|
Py_DECREF(tuple);
|
|
|
|
/* clock stuff */
|
|
PyModule_AddIntConstant(m, "SECOND", GST_SECOND);
|
|
PyModule_AddIntConstant(m, "MSECOND", GST_MSECOND);
|
|
PyModule_AddIntConstant(m, "NSECOND", GST_NSECOND);
|
|
|
|
PyModule_AddObject(m, "CLOCK_TIME_NONE", PyLong_FromUnsignedLongLong(GST_CLOCK_TIME_NONE));
|
|
|
|
pygst_exceptions_register_classes (d);
|
|
|
|
REGISTER_TYPE(d, PyGstIterator_Type, "Iterator");
|
|
|
|
|
|
pygstminiobject_register_class(d, "GstMiniObject", GST_TYPE_MINI_OBJECT,
|
|
&PyGstMiniObject_Type, NULL);
|
|
pyg_register_boxed_custom(GST_TYPE_MINI_OBJECT,
|
|
pygstminiobject_from_gvalue,
|
|
pygstminiobject_to_gvalue);
|
|
|
|
pygst_register_classes (d);
|
|
pygst_add_constants (m, "GST_");
|
|
|
|
/* make our types available */
|
|
PyModule_AddObject (m, "TYPE_ELEMENT_FACTORY",
|
|
pyg_type_wrapper_new(GST_TYPE_ELEMENT_FACTORY));
|
|
PyModule_AddObject (m, "TYPE_INDEX_FACTORY",
|
|
pyg_type_wrapper_new(GST_TYPE_INDEX_FACTORY));
|
|
PyModule_AddObject (m, "TYPE_TYPE_FIND_FACTORY",
|
|
pyg_type_wrapper_new(GST_TYPE_TYPE_FIND_FACTORY));
|
|
|
|
/* GStreamer core tags */
|
|
PyModule_AddStringConstant (m, "TAG_TITLE", GST_TAG_TITLE);
|
|
PyModule_AddStringConstant (m, "TAG_ARTIST", GST_TAG_ARTIST);
|
|
PyModule_AddStringConstant (m, "TAG_ALBUM", GST_TAG_ALBUM);
|
|
PyModule_AddStringConstant (m, "TAG_DATE", GST_TAG_DATE);
|
|
PyModule_AddStringConstant (m, "TAG_GENRE", GST_TAG_GENRE);
|
|
PyModule_AddStringConstant (m, "TAG_COMMENT", GST_TAG_COMMENT);
|
|
PyModule_AddStringConstant (m, "TAG_TRACK_NUMBER", GST_TAG_TRACK_NUMBER);
|
|
PyModule_AddStringConstant (m, "TAG_TRACK_COUNT", GST_TAG_TRACK_COUNT);
|
|
PyModule_AddStringConstant (m, "TAG_ALBUM_VOLUME_NUMBER", GST_TAG_ALBUM_VOLUME_NUMBER);
|
|
PyModule_AddStringConstant (m, "TAG_ALBUM_VOLUME_COUNT", GST_TAG_ALBUM_VOLUME_COUNT);
|
|
PyModule_AddStringConstant (m, "TAG_LOCATION", GST_TAG_LOCATION);
|
|
PyModule_AddStringConstant (m, "TAG_DESCRIPTION", GST_TAG_DESCRIPTION);
|
|
PyModule_AddStringConstant (m, "TAG_VERSION", GST_TAG_VERSION);
|
|
PyModule_AddStringConstant (m, "TAG_ISRC", GST_TAG_ISRC);
|
|
PyModule_AddStringConstant (m, "TAG_ORGANIZATION", GST_TAG_ORGANIZATION);
|
|
PyModule_AddStringConstant (m, "TAG_COPYRIGHT", GST_TAG_COPYRIGHT);
|
|
PyModule_AddStringConstant (m, "TAG_CONTACT", GST_TAG_CONTACT);
|
|
PyModule_AddStringConstant (m, "TAG_LICENSE", GST_TAG_LICENSE);
|
|
PyModule_AddStringConstant (m, "TAG_PERFORMER", GST_TAG_PERFORMER);
|
|
PyModule_AddStringConstant (m, "TAG_DURATION", GST_TAG_DURATION);
|
|
PyModule_AddStringConstant (m, "TAG_CODEC", GST_TAG_CODEC);
|
|
PyModule_AddStringConstant (m, "TAG_VIDEO_CODEC", GST_TAG_VIDEO_CODEC);
|
|
PyModule_AddStringConstant (m, "TAG_AUDIO_CODEC", GST_TAG_AUDIO_CODEC);
|
|
PyModule_AddStringConstant (m, "TAG_BITRATE", GST_TAG_BITRATE);
|
|
PyModule_AddStringConstant (m, "TAG_NOMINAL_BITRATE", GST_TAG_NOMINAL_BITRATE);
|
|
PyModule_AddStringConstant (m, "TAG_MINIMUM_BITRATE", GST_TAG_MINIMUM_BITRATE);
|
|
PyModule_AddStringConstant (m, "TAG_MAXIMUM_BITRATE", GST_TAG_MAXIMUM_BITRATE);
|
|
PyModule_AddStringConstant (m, "TAG_SERIAL", GST_TAG_SERIAL);
|
|
PyModule_AddStringConstant (m, "TAG_ENCODER", GST_TAG_ENCODER);
|
|
PyModule_AddStringConstant (m, "TAG_ENCODER_VERSION", GST_TAG_ENCODER_VERSION);
|
|
PyModule_AddStringConstant (m, "TAG_TRACK_GAIN", GST_TAG_TRACK_GAIN);
|
|
PyModule_AddStringConstant (m, "TAG_TRACK_PEAK", GST_TAG_TRACK_PEAK);
|
|
PyModule_AddStringConstant (m, "TAG_ALBUM_GAIN", GST_TAG_ALBUM_GAIN);
|
|
PyModule_AddStringConstant (m, "TAG_ALBUM_PEAK", GST_TAG_ALBUM_PEAK);
|
|
PyModule_AddStringConstant (m, "TAG_LANGUAGE_CODE", GST_TAG_LANGUAGE_CODE);
|
|
|
|
g_timeout_add_full (0, 100, python_do_pending_calls, NULL, NULL);
|
|
|
|
atexit(gst_deinit);
|
|
|
|
if (PyErr_Occurred ()) {
|
|
Py_FatalError ("can't initialize module gst");
|
|
}
|
|
}
|