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