mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
4acc40c8d2
Original commit message from CVS: * codegen/codegen.py: When chaining up to the parent class methods from python to C, we need to allow threads (i.e. release the GIL). * gst/gstbase.override: * gst/gstbin.override: Modify __do_*() overrides in the same way as above.
659 lines
17 KiB
C
659 lines
17 KiB
C
/* -*- Mode: C; ; c-basic-offset: 4 -*- */
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/* gst-python
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* Copyright (C) 2006 Edward Hervey
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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: Johan Dahlin <johan@gnome.org>
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*/
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%%
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override GstBaseSrc__proxy_do_create
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static GstFlowReturn
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_wrap_GstBaseSrc__proxy_do_create (GstBaseSrc * self,
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guint64 offset,
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guint size,
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GstBuffer ** buf)
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{
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PyGILState_STATE __py_state;
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PyObject *py_self;
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GstFlowReturn retval = GST_FLOW_ERROR;
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PyObject *py_ret;
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PyObject *py_flow;
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PyObject *py_buffer;
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PyObject *py_args;
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PyObject *py_method;
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__py_state = pyg_gil_state_ensure();
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py_self = pygobject_new((GObject *) self);
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if (!py_self) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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py_args = PyTuple_New(2);
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PyTuple_SET_ITEM(py_args, 0, PyLong_FromUnsignedLongLong(offset));
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PyTuple_SET_ITEM(py_args, 1, PyInt_FromLong(size));
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py_method = PyObject_GetAttrString(py_self, "do_create");
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if (!py_method) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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goto beach;
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}
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py_ret = PyObject_CallObject(py_method, py_args);
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if (!py_ret) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_method);
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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goto beach;
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}
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/* process the python return value */
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/* Should be a list containing the gst.FlowReturn and the gst.Buffer */
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if (PyTuple_Check(py_ret)) {
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/* gst.FlowReturn */
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py_flow = PyTuple_GetItem(py_ret, 0);
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if (!py_flow) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_ret);
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Py_DECREF(py_method);
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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goto beach;
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}
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if (py_flow == Py_None) {
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GST_ERROR ("None return flow is not valid");
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goto beach;
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}
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GST_DEBUG ("py_flow:%p", py_flow);
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if (pyg_enum_get_value(GST_TYPE_FLOW_RETURN, py_flow, (gint*) &retval)) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_ret);
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Py_DECREF(py_flow);
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Py_DECREF(py_method);
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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retval = GST_FLOW_ERROR;
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goto beach;
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}
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py_buffer = PyTuple_GetItem(py_ret, 1);
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if (!py_buffer) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_ret);
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Py_DECREF(py_method);
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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goto beach;
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}
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if (pygstminiobject_check(py_buffer, &PyGstBuffer_Type)) {
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*buf = GST_BUFFER (pygstminiobject_get (py_buffer));
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gst_buffer_ref (*buf);
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} else {
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*buf = NULL;
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}
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}
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Py_DECREF(py_ret);
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Py_DECREF(py_method);
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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beach:
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pyg_gil_state_release(__py_state);
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return retval;
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}
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%%
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override GstBaseSrc__do_create kwargs
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static PyObject *
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_wrap_GstBaseSrc__do_create (PyObject *cls, PyObject *args, PyObject *kwargs)
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{
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gpointer klass;
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static char *kwlist[] = { "self", "offset", "size", NULL };
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PyGObject *self;
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guint64 offset;
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guint size;
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PyObject *py_ret;
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GstFlowReturn flow;
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GstBuffer *buffer = NULL;
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!KI:GstBaseSrc.create",
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kwlist, &PyGstBaseSrc_Type, &self, &offset, &size))
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return NULL;
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klass = g_type_class_ref(pyg_type_from_object(cls));
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if (GST_BASE_SRC_CLASS(klass)->create) {
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pyg_begin_allow_threads;
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flow = GST_BASE_SRC_CLASS(klass)->create(GST_BASE_SRC(self->obj), offset, size, &buffer);
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pyg_end_allow_threads;
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} else {
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PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBaseSrc.set_caps not implemented");
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g_type_class_unref(klass);
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return NULL;
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}
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g_type_class_unref(klass);
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/* We now need to return a tuple with (flow, buffer) */
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if (buffer)
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py_ret = PyTuple_New(2);
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else
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py_ret = PyTuple_New(1);
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PyTuple_SET_ITEM(py_ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, flow));
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if (buffer)
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PyTuple_SET_ITEM(py_ret, 1, pygstminiobject_new(GST_MINI_OBJECT (buffer)));
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return py_ret;
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}
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%%
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override GstBaseSrc__proxy_do_get_size
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static gboolean
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_wrap_GstBaseSrc__proxy_do_get_size (GstBaseSrc * self,
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guint64 * size)
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{
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PyGILState_STATE __py_state;
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PyObject *py_self;
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gboolean ret = FALSE;
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PyObject *py_method;
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PyObject *py_ret;
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__py_state = pyg_gil_state_ensure();
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py_self = pygobject_new((GObject *) self);
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if (!py_self) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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py_method = PyObject_GetAttrString(py_self, "do_get_size");
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if (!py_method) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_self);
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goto beach;
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}
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py_ret = PyObject_CallObject(py_method, NULL);
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if (!py_ret) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_method);
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Py_DECREF(py_self);
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goto beach;
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}
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/*
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If the method returned a numeric, the return value will be TRUE.
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For ANY other case, we don't set size and the return value is FALSE.
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*/
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if (PyLong_Check(py_ret)) {
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*size = PyLong_AsUnsignedLongLongMask(py_ret);
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ret = TRUE;
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}
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Py_DECREF(py_method);
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Py_DECREF(py_self);
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Py_DECREF(py_ret);
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beach:
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pyg_gil_state_release(__py_state);
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return ret;
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}
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%%
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override GstBaseSrc__do_get_size kwargs
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static PyObject *
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_wrap_GstBaseSrc__do_get_size (PyObject *cls, PyObject *args, PyObject *kwargs)
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{
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gpointer klass;
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static char *kwlist[] = { "self", NULL };
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PyGObject *self;
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gboolean ret;
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guint64 size = 0;
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PyObject *py_ret;
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!:GstBaseSrc.get_size",
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kwlist, &PyGstBaseSrc_Type, &self))
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return NULL;
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klass = g_type_class_ref(pyg_type_from_object(cls));
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if (GST_BASE_SRC_CLASS(klass)->get_size) {
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pyg_begin_allow_threads;
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ret = GST_BASE_SRC_CLASS(klass)->get_size(GST_BASE_SRC(self->obj), &size);
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pyg_end_allow_threads;
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} else {
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PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBaseSrc.get_size not implemented");
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g_type_class_unref(klass);
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return NULL;
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}
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g_type_class_unref(klass);
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py_ret = PyLong_FromUnsignedLongLong(size);
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return py_ret;
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}
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%%
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override GstBaseSrc__proxy_do_get_times
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static void
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_wrap_GstBaseSrc__proxy_do_get_times (GstBaseSrc * self,
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GstBuffer *buffer,
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GstClockTime * start,
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GstClockTime * end)
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{
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PyGILState_STATE __py_state;
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PyObject *py_args;
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PyObject *py_self;
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PyObject *py_method;
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PyObject *py_ret;
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__py_state = pyg_gil_state_ensure();
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py_self = pygobject_new((GObject *) self);
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if (!py_self) {
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if (PyErr_Occurred())
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PyErr_Print();
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return;
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}
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py_args = Py_BuildValue ("(N)",
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pygstminiobject_new((GstMiniObject *)buffer));
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py_method = PyObject_GetAttrString(py_self, "do_get_times");
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Py_DECREF(py_self);
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if (!py_method) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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py_ret = PyObject_CallObject(py_method, py_args);
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Py_DECREF(py_method);
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if (!py_ret) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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/*
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If the method returned a numeric, the return value will be TRUE.
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For ANY other case, we don't set size and the return value is FALSE.
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*/
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if ((PyTuple_Check(py_ret)) && (PyTuple_Size (py_ret) == 2))
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PyArg_ParseTuple (py_ret, "KK", start, end);
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Py_DECREF (py_ret);
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beach:
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Py_DECREF (py_args);
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pyg_gil_state_release(__py_state);
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return;
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}
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%%
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override GstBaseSrc__do_get_times kwargs
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static PyObject *
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_wrap_GstBaseSrc__do_get_times (PyObject *cls, PyObject *args, PyObject *kwargs)
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{
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gpointer klass;
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static char *kwlist[] = { "self", "buffer", NULL };
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PyGObject *self;
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PyGstMiniObject *py_buffer;
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GstClockTime start = 0;
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GstClockTime end = 0;
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PyObject *py_ret;
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:GstBaseSrc.get_times",
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kwlist, &PyGstBaseSrc_Type, &self,
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&PyGstBuffer_Type, &py_buffer))
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return NULL;
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klass = g_type_class_ref(pyg_type_from_object(cls));
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if (GST_BASE_SRC_CLASS(klass)->get_times) {
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pyg_begin_allow_threads;
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GST_BASE_SRC_CLASS(klass)->get_times(GST_BASE_SRC(self->obj),
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GST_BUFFER(py_buffer->obj),
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&start, &end);
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pyg_end_allow_threads;
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} else {
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PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBaseSrc.get_times not implemented");
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g_type_class_unref(klass);
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return NULL;
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}
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g_type_class_unref(klass);
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py_ret = PyTuple_New(2);
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PyTuple_SetItem(py_ret, 0, PyLong_FromUnsignedLongLong(start));
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PyTuple_SetItem(py_ret, 1, PyLong_FromUnsignedLongLong(end));
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return py_ret;
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}
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%%
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override GstPushSrc__proxy_do_create
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static GstFlowReturn
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_wrap_GstPushSrc__proxy_do_create (GstPushSrc * self,
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GstBuffer **buffer)
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{
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PyGILState_STATE __py_state;
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PyObject *py_self;
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PyObject *py_method;
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PyObject *py_ret;
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PyGstMiniObject *py_buffer;
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PyObject *py_flow;
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GstFlowReturn ret = GST_FLOW_OK;
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__py_state = pyg_gil_state_ensure();
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py_self = pygobject_new((GObject *) self);
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if (!py_self) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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py_method = PyObject_GetAttrString(py_self, "do_create");
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Py_DECREF(py_self);
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if (!py_method) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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py_ret = PyObject_CallObject(py_method, NULL);
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Py_DECREF(py_method);
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if (!py_ret) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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/*
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If the method returned a numeric, the return value will be TRUE.
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For ANY other case, we don't set size and the return value is FALSE.
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*/
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if ((PyTuple_Check(py_ret)) && (PyTuple_Size (py_ret) == 2)) {
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PyArg_ParseTuple (py_ret, "O!O!", &PyGEnum_Type, &py_flow,
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&PyGstBuffer_Type, &py_buffer);
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*buffer = GST_BUFFER (((PyGstMiniObject*) self)->obj);
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gst_buffer_ref (*buffer);
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pyg_enum_get_value(GST_TYPE_FLOW_RETURN, py_flow, (gint*)&ret);
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}
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Py_DECREF (py_ret);
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beach:
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pyg_gil_state_release(__py_state);
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return ret;
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}
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%%
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override GstPushSrc__do_create kwargs
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static PyObject *
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_wrap_GstPushSrc__do_create (PyObject *cls, PyObject *args, PyObject *kwargs)
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{
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gpointer klass;
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static char *kwlist[] = { "self", NULL };
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PyGObject *self;
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GstBuffer *buffer;
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GstFlowReturn flow;
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PyObject *py_ret;
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if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:GstPushSrc.create",
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kwlist, &PyGstPushSrc_Type, &self))
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return NULL;
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klass = g_type_class_ref(pyg_type_from_object(cls));
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if (GST_PUSH_SRC_CLASS(klass)->create) {
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pyg_begin_allow_threads;
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flow = GST_PUSH_SRC_CLASS(klass)->create(GST_PUSH_SRC(self->obj),
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(GstBuffer**) &buffer);
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pyg_end_allow_threads;
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} else {
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PyErr_SetString(PyExc_NotImplementedError, "virtual method GstPushSrc.create not implemented");
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g_type_class_unref(klass);
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return NULL;
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}
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g_type_class_unref(klass);
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py_ret = PyTuple_New(2);
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PyList_SetItem(py_ret, 0, pyg_enum_from_gtype(GST_TYPE_FLOW_RETURN, flow));
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PyList_SetItem(py_ret, 1, pygstminiobject_new(GST_MINI_OBJECT(buffer)));
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return py_ret;
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}
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%%
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override GstBaseTransform__proxy_do_get_unit_size
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static gboolean
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_wrap_GstBaseTransform__proxy_do_get_unit_size (GstBaseTransform * self,
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GstCaps * caps,
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guint * size)
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{
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PyGILState_STATE __py_state;
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PyObject *py_self;
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PyObject *py_caps;
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gboolean ret = FALSE;
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PyObject *py_args;
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PyObject *py_method;
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PyObject *py_ret;
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__py_state = pyg_gil_state_ensure();
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py_self = pygobject_new((GObject *) self);
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if (!py_self) {
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if (PyErr_Occurred())
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PyErr_Print();
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goto beach;
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}
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if (caps)
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py_caps = pyg_boxed_new(GST_TYPE_CAPS, caps, FALSE, FALSE); // should copyval be TRUE instead?
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else {
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Py_INCREF (Py_None);
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py_caps = Py_None;
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}
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py_args = PyTuple_New(1);
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PyTuple_SET_ITEM(py_args, 0, py_caps);
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py_method = PyObject_GetAttrString(py_self, "do_get_unit_size");
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if (!py_method) {
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if (PyErr_Occurred())
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PyErr_Print();
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Py_DECREF(py_args);
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Py_DECREF(py_self);
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goto beach;
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}
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py_ret = PyObject_CallObject(py_method, py_args);
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if (!py_ret) {
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if (PyErr_Occurred())
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PyErr_Print();
|
|
Py_DECREF(py_method);
|
|
Py_DECREF(py_args);
|
|
Py_DECREF(py_self);
|
|
goto beach;
|
|
}
|
|
|
|
/*
|
|
If the method returned a numeric, the return value will be TRUE.
|
|
For ANY other case, we don't set size and the return value is FALSE.
|
|
*/
|
|
|
|
if (PyInt_Check(py_ret)) {
|
|
*size = PyInt_AsLong(py_ret);
|
|
ret = TRUE;
|
|
}
|
|
|
|
Py_DECREF(py_method);
|
|
Py_DECREF(py_args);
|
|
Py_DECREF(py_self);
|
|
Py_DECREF(py_ret);
|
|
|
|
beach:
|
|
pyg_gil_state_release(__py_state);
|
|
return ret;
|
|
}
|
|
%%
|
|
override GstBaseTransform__do_get_unit_size kwargs
|
|
static PyObject *
|
|
_wrap_GstBaseTransform__do_get_unit_size (PyObject *cls, PyObject *args, PyObject *kwargs)
|
|
{
|
|
gpointer klass;
|
|
static char *kwlist[] = { "self", "caps", NULL };
|
|
PyGObject *self;
|
|
PyGObject *caps;
|
|
gboolean ret;
|
|
guint size = 0;
|
|
PyObject *py_ret;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:GstBaseTransform.get_unit_size",
|
|
kwlist, &PyGstBaseTransform_Type, &self, &PyGstCaps_Type, &caps))
|
|
return NULL;
|
|
klass = g_type_class_ref(pyg_type_from_object(cls));
|
|
if (GST_BASE_TRANSFORM_CLASS(klass)->get_unit_size) {
|
|
pyg_begin_allow_threads;
|
|
ret = GST_BASE_TRANSFORM_CLASS(klass)->get_unit_size(GST_BASE_TRANSFORM(self->obj), GST_CAPS(caps->obj), &size);
|
|
pyg_end_allow_threads;
|
|
} else {
|
|
PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBaseTransform.get_unit_size not implemented");
|
|
g_type_class_unref(klass);
|
|
return NULL;
|
|
}
|
|
g_type_class_unref(klass);
|
|
|
|
py_ret = PyLong_FromUnsignedLongLong(size);
|
|
|
|
return py_ret;
|
|
}
|
|
%%
|
|
override GstBaseSink__proxy_do_get_times
|
|
static void
|
|
_wrap_GstBaseSink__proxy_do_get_times (GstBaseSink * self,
|
|
GstBuffer *buffer,
|
|
GstClockTime * start,
|
|
GstClockTime * end)
|
|
{
|
|
PyGILState_STATE __py_state;
|
|
PyObject *py_args;
|
|
PyObject *py_self;
|
|
PyObject *py_method;
|
|
PyObject *py_ret;
|
|
|
|
__py_state = pyg_gil_state_ensure();
|
|
|
|
py_self = pygobject_new((GObject *) self);
|
|
if (!py_self) {
|
|
if (PyErr_Occurred())
|
|
PyErr_Print();
|
|
return;
|
|
}
|
|
|
|
py_args = Py_BuildValue ("(N)",
|
|
pygstminiobject_new((GstMiniObject *)buffer));
|
|
|
|
py_method = PyObject_GetAttrString(py_self, "do_get_times");
|
|
|
|
Py_DECREF(py_self);
|
|
|
|
if (!py_method) {
|
|
if (PyErr_Occurred())
|
|
PyErr_Print();
|
|
goto beach;
|
|
}
|
|
|
|
py_ret = PyObject_CallObject(py_method, py_args);
|
|
|
|
Py_DECREF(py_method);
|
|
|
|
if (!py_ret) {
|
|
if (PyErr_Occurred())
|
|
PyErr_Print();
|
|
goto beach;
|
|
}
|
|
|
|
/*
|
|
If the method returned a numeric, the return value will be TRUE.
|
|
For ANY other case, we don't set size and the return value is FALSE.
|
|
*/
|
|
|
|
if ((PyTuple_Check(py_ret)) && (PyTuple_Size (py_ret) == 2))
|
|
PyArg_ParseTuple (py_ret, "KK", start, end);
|
|
|
|
Py_DECREF (py_ret);
|
|
beach:
|
|
Py_DECREF (py_args);
|
|
pyg_gil_state_release(__py_state);
|
|
return;
|
|
}
|
|
%%
|
|
override GstBaseSink__do_get_times kwargs
|
|
static PyObject *
|
|
_wrap_GstBaseSink__do_get_times (PyObject *cls, PyObject *args, PyObject *kwargs)
|
|
{
|
|
gpointer klass;
|
|
static char *kwlist[] = { "self", "buffer", NULL };
|
|
PyGObject *self;
|
|
PyGstMiniObject *py_buffer;
|
|
GstClockTime start = 0;
|
|
GstClockTime end = 0;
|
|
PyObject *py_ret;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:GstBaseSink.get_times",
|
|
kwlist, &PyGstBaseSink_Type, &self,
|
|
&PyGstBuffer_Type, &py_buffer))
|
|
return NULL;
|
|
klass = g_type_class_ref(pyg_type_from_object(cls));
|
|
if (GST_BASE_SINK_CLASS(klass)->get_times) {
|
|
pyg_begin_allow_threads;
|
|
GST_BASE_SINK_CLASS(klass)->get_times(GST_BASE_SINK(self->obj),
|
|
GST_BUFFER(py_buffer->obj),
|
|
&start, &end);
|
|
pyg_end_allow_threads;
|
|
} else {
|
|
PyErr_SetString(PyExc_NotImplementedError, "virtual method GstBaseSink.get_times not implemented");
|
|
g_type_class_unref(klass);
|
|
return NULL;
|
|
}
|
|
g_type_class_unref(klass);
|
|
|
|
py_ret = PyTuple_New(2);
|
|
PyTuple_SetItem(py_ret, 0, PyLong_FromUnsignedLongLong(start));
|
|
PyTuple_SetItem(py_ret, 1, PyLong_FromUnsignedLongLong(end));
|
|
|
|
return py_ret;
|
|
}
|