mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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258 lines
6.9 KiB
C
258 lines
6.9 KiB
C
/* -*- Mode: C; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2008 <edward.hervey@collabora.co.uk>
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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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%%
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headers
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#define NO_IMPORT_PYGOBJECT
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#include "common.h"
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#include <gst/gst.h>
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#include <gst/pbutils/pbutils.h>
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#include "pygstminiobject.h"
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GST_DEBUG_CATEGORY_EXTERN (pygst_debug);
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#define GST_CAT_DEFAULT pygst_debug
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/* Boonky define that allows for backwards compatibility with Python 2.4 */
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#if PY_VERSION_HEX < 0x02050000
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#define Py_ssize_t int
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#endif
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#ifdef HAVE_PLUGINS_INSTALL
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static void
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install_plugins_result_handler(GstInstallPluginsReturn result, gpointer user_data)
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{
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PyGILState_STATE state;
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PyObject *callback, *args;
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PyObject *py_user_data;
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PyObject *py_result;
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PyObject *ret;
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gint i, len;
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if (user_data == NULL)
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return;
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state = pyg_gil_state_ensure();
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py_user_data = (PyObject*) user_data;
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py_result = pyg_enum_from_gtype(GST_TYPE_INSTALL_PLUGINS_RETURN, result);
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callback = PyTuple_GetItem(py_user_data, 0);
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args = Py_BuildValue("(N)", py_result);
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len = PyTuple_Size(py_user_data);
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for (i = 1; i < len; ++i) {
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PyObject *tuple = args;
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args = PySequence_Concat(tuple, PyTuple_GetItem(py_user_data, i));
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Py_DECREF(tuple);
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}
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ret = PyObject_CallObject(callback, args);
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(args);
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pyg_gil_state_release(state);
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}
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#endif
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%%
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modulename gst.pbutils
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%%
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import gobject.GObject as PyGObject_Type
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import gst.Object as PyGstObject_Type
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import gst.Structure as PyGstStructure_Type
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import gst.Element as PyGstElement_Type
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import gst.Message as PyGstMessage_Type
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%%
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include
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gstversion.override
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%%
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ignore-glob
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_*
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*init
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*_free
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*_get_type
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%%
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override gst_install_plugins_sync kwargs
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static PyObject *
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_wrap_gst_install_plugins_sync(PyGObject *self, PyObject *args, PyObject *kwargs)
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{
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static char *kwlist[] = { "details", "context", NULL };
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PyObject *py_ctx;
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GstInstallPluginsContext *ctx;
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GstInstallPluginsReturn ret;
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gchar **details;
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gint len;
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PyObject *py_ret;
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PyObject *py_details;
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Py_ssize_t i;
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO:install_plugins_sync",
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kwlist, &py_details, &py_ctx))
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return NULL;
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if (!pyg_boxed_check(py_ctx, GST_TYPE_INSTALL_PLUGINS_CONTEXT)) {
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PyErr_SetString(PyExc_TypeError, "Argument 2 must be a gst.pbutils.InstallPluginsContext");
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return NULL;
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}
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len = PySequence_Size(py_details);
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if ((!PySequence_Check(py_details)) || (len < 1)) {
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PyErr_SetString(PyExc_TypeError, "Details need to be a non-empty list or tuple of strings");
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Py_DECREF(py_details);
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return NULL;
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}
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details = g_new0(gchar*, len+1);
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/* Check all items in py_details are strings */
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for (i = 0; i < len; i++) {
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PyObject *py_str = PySequence_GetItem(py_details, i);
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gchar *str;
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if (!PyString_Check(py_str)) {
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PyErr_SetString(PyExc_TypeError, "Details need to be a non-empty list or tuple of strings");
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Py_DECREF(py_str);
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Py_DECREF(py_details);
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g_strfreev(details);
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return NULL;
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}
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if (!(str = PyString_AsString(py_str))) {
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Py_DECREF(py_str);
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Py_DECREF(py_details);
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g_strfreev(details);
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return NULL;
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}
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details[i] = g_strdup(str);
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Py_DECREF(py_str);
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}
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ctx = (GstInstallPluginsContext *) pyg_boxed_get(py_ctx, GstInstallPluginsContext);
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pyg_begin_allow_threads;
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ret = gst_install_plugins_sync(details, ctx);
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pyg_end_allow_threads;
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g_strfreev(details);
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py_ret = pyg_enum_from_gtype(GST_TYPE_INSTALL_PLUGINS_RETURN, ret);
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return py_ret;
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}
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%%
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override gst_install_plugins_async args
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static PyObject *
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_wrap_gst_install_plugins_async(PyGObject *self, PyObject *args)
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{
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PyObject *py_ctx, *py_ret, *py_details, *callback, *cbargs, *data;
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GstInstallPluginsContext *ctx;
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GstInstallPluginsReturn ret;
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gchar **details;
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gint len;
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Py_ssize_t i;
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if (PyTuple_Size(args) < 3) {
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PyErr_SetString(PyExc_TypeError, "install_plugins_async requires at least 3 arguments");
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return NULL;
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}
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py_ctx = PySequence_GetItem(args, 1);
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if (!pyg_boxed_check(py_ctx, GST_TYPE_INSTALL_PLUGINS_CONTEXT)) {
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PyErr_SetString(PyExc_TypeError, "Argument 2 must be a gst.pbutils.InstallPluginsContext");
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Py_DECREF(py_ctx);
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return NULL;
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}
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py_details = PySequence_GetItem(args, 0);
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if ((!PySequence_Check(py_details)) || (PySequence_Size(py_details) < 1)) {
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PyErr_SetString(PyExc_TypeError, "Details need to be a non-empty list or tuple of strings");
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Py_DECREF(py_ctx);
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Py_DECREF(py_details);
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return NULL;
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}
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len = PySequence_Size(py_details);
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details = g_new0(gchar*, len+1);
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/* Check all items in py_details are strings */
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for (i = 0; i < len; i++) {
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PyObject *py_str = PySequence_GetItem(py_details, i);
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gchar *str;
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if (!PyString_Check(py_str)) {
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PyErr_SetString(PyExc_TypeError, "Details need to be a non-empty list or tuple of strings");
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Py_DECREF(py_str);
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Py_DECREF(py_ctx);
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Py_DECREF(py_details);
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g_strfreev(details);
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return NULL;
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}
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if (!(str = PyString_AsString(py_str))) {
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Py_DECREF(py_str);
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Py_DECREF(py_ctx);
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Py_DECREF(py_details);
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g_strfreev(details);
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return NULL;
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}
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details[i] = g_strdup(str);
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Py_DECREF(py_str);
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}
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callback = PySequence_GetItem(args, 2);
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if (!PyCallable_Check(callback)) {
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PyErr_SetString(PyExc_TypeError, "callback is not callable");
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Py_DECREF(callback);
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Py_DECREF(py_ctx);
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Py_DECREF(py_details);
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g_strfreev(details);
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}
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if (!(cbargs = PySequence_GetSlice(args, 3, PyTuple_Size(args)))) {
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Py_DECREF(callback);
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Py_DECREF(py_ctx);
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Py_DECREF(py_details);
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g_strfreev(details);
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return NULL;
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}
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if (!(data = Py_BuildValue("(ON)", callback, cbargs))) {
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Py_DECREF(py_details);
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Py_DECREF(py_ctx);
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Py_DECREF(callback);
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Py_DECREF(cbargs);
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}
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ctx = (GstInstallPluginsContext *) pyg_boxed_get(py_ctx, GstInstallPluginsContext);
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pyg_begin_allow_threads;
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ret = gst_install_plugins_async(details, ctx,
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(GstInstallPluginsResultFunc) install_plugins_result_handler,
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data);
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pyg_end_allow_threads;
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g_strfreev(details);
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py_ret = pyg_enum_from_gtype(GST_TYPE_INSTALL_PLUGINS_RETURN, ret);
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return py_ret;
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}
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