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gstreamer/gst/gst.override
Rene Stadler f86fb60e09 gst/: Handle 'gchar**' (GStrv) arguments in a uniform way. 
Original commit message from CVS:
Patch by: Rene Stadler <mail@renestadler.de>
* gst/arg-types.py:
* gst/gst.defs:
* gst/gst.override:
Handle 'gchar**' (GStrv) arguments in a uniform way.
Fixes #385841
2007-07-05 13:57:41 +00:00

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/* -*- Mode: C; c-basic-offset: 4 -*- */
/* gst-python
* Copyright (C) 2002 David I. Lehn
* Copyright (C) 2004 Johan Dahlin
*
* 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>
*/
%%
headers
/* define this for all source files that don't run init_pygobject()
* before including pygobject.h */
#define NO_IMPORT_PYGOBJECT
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "common.h"
#include <gst/gst.h>
#include <gst/gsterror.h>
#include <gst/gsttypefind.h>
#include <gst/gsttagsetter.h>
#include <gst/controller/gstcontroller.h>
#include <gst/dataprotocol/dataprotocol.h>
#include <gst/base/gstadapter.h>
#include <gst/base/gstbasesrc.h>
#include <gst/base/gstpushsrc.h>
#include <gst/base/gstbasesink.h>
#include <gst/base/gstbasetransform.h>
#include <gst/base/gstcollectpads.h>
#include <gst/base/gsttypefindhelper.h>
#include <gst/net/gstnet.h>
#include "pygstvalue.h"
#include "pygstminiobject.h"
#include "pygstexception.h"
/* These headers have been included directly to get around multiple
* GetAttrString calls */
#include <compile.h>
#include <frameobject.h>
/* Boonky define that allows for backwards compatibility with Python 2.4 */
#if PY_VERSION_HEX < 0x02050000
#define Py_ssize_t int
#endif
GST_DEBUG_CATEGORY_EXTERN (python_debug);
GST_DEBUG_CATEGORY_EXTERN (pygst_debug);
#define GST_CAT_DEFAULT pygst_debug
/* This function checks if a former Python code threw an exception and if
* so, transforms this exception into an error on the given GstElement.
* This allows code run on the element to just raise an exception instead of
* returning GStreamer specific return values.
* The exception is cleared afterwards.
*/
gboolean
_pygst_element_check_error (GstElement *element)
{
PyObject *type, *value, *traceback, *lineno, *msg, *typemsg;
PyFrameObject *frame;
if (!PyErr_Occurred())
return FALSE;
PyErr_Fetch (&type, &value, &traceback);
if (traceback) {
frame = (PyFrameObject *) PyObject_GetAttrString (traceback, "tb_frame");
lineno = PyObject_GetAttrString (traceback, "tb_lineno");
} else {
frame = NULL;
lineno = NULL;
}
msg = PyObject_Str (value);
typemsg = PyObject_Str (type);
if (msg && PyString_Check (msg)) {
gst_element_message_full (element, GST_MESSAGE_ERROR,
GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_FAILED,
g_strdup (PyString_AsString (msg)),
typemsg ? g_strconcat (PyString_AsString (typemsg),
": ", PyString_AsString (msg), NULL)
: g_strdup (PyString_AsString (msg)),
frame ? PyString_AsString(frame->f_code->co_filename) : "???",
frame ? PyString_AsString(frame->f_code->co_name) : "???",
lineno ? PyInt_AsLong (lineno) : 0);
} else {
gst_element_message_full (element, GST_MESSAGE_ERROR,
GST_LIBRARY_ERROR,
GST_LIBRARY_ERROR_TOO_LAZY,
NULL, NULL,
frame ? PyString_AsString(frame->f_code->co_filename) : "???",
frame ? PyString_AsString(frame->f_code->co_name) : "???",
lineno ? PyInt_AsLong (lineno) : 0);
}
PyErr_Clear ();
Py_XDECREF (frame);
Py_XDECREF (lineno);
Py_DECREF (msg);
Py_DECREF (typemsg);
return TRUE;
}
PyTypeObject PyGstPadTemplate_Type;
static int
add_templates (gpointer gclass, PyObject *templates)
{
gint i, len;
PyGObject *templ;
if (pygobject_check(templates, &PyGstPadTemplate_Type)) {
gst_element_class_add_pad_template (gclass, GST_PAD_TEMPLATE (pygobject_get (templates)));
return 0;
}
if (!PyTuple_Check(templates)) {
PyErr_SetString(PyExc_TypeError, "__gsttemplates__ attribute neither a tuple nor a GstPadTemplate!");
return -1;
}
len = PyTuple_Size(templates);
if (len == 0)
return 0;
for (i = 0; i < len; i++) {
templ = (PyGObject*) PyTuple_GetItem(templates, i);
if (!pygobject_check(templ, &PyGstPadTemplate_Type)) {
PyErr_SetString(PyExc_TypeError, "entries for __gsttemplates__ must be of type GstPadTemplate");
return -1;
}
}
for (i = 0; i < len; i++) {
templ = (PyGObject*) PyTuple_GetItem(templates, i);
gst_element_class_add_pad_template (gclass, GST_PAD_TEMPLATE (templ->obj));
}
return 0;
}
static int
_pygst_element_set_details (gpointer gclass, PyObject *details)
{
GstElementDetails gstdetails = { 0, };
if (!PyTuple_Check (details)) {
PyErr_SetString(PyExc_TypeError, "__gstdetails__ must be a tuple");
return -1;
}
if (PyTuple_Size (details) != 4) {
PyErr_SetString(PyExc_TypeError, "__gstdetails__ must be contain 4 elements");
return -1;
}
if (!PyArg_ParseTuple (details, "ssss", &gstdetails.longname, &gstdetails.klass,
&gstdetails.description, &gstdetails.author)) {
PyErr_SetString (PyExc_TypeError, "__gstdetails__ must be contain 4 strings");
return -1;
}
gst_element_class_set_details (gclass, &gstdetails);
return 0;
}
static int
_pygst_element_init (gpointer gclass, PyTypeObject *pyclass)
{
PyObject *templates, *details;
templates = PyDict_GetItemString(pyclass->tp_dict, "__gsttemplates__");
if (templates) {
if (add_templates(gclass, templates) != 0)
return -1;
} else {
PyErr_Clear();
}
details = PyDict_GetItemString(pyclass->tp_dict, "__gstdetails__");
if (details) {
if (_pygst_element_set_details (gclass, details) != 0)
return -1;
PyDict_DelItemString(pyclass->tp_dict, "__gstdetails__");
} else {
PyErr_Clear();
}
return 0;
}
static PyObject *
pygst_debug_log (PyObject *pyobject, PyObject *string, GstDebugLevel level,
gboolean isgstobject)
{
#ifndef GST_DISABLE_GST_DEBUG
gchar *str;
gchar *function;
gchar *filename;
int lineno;
PyFrameObject *frame;
GObject *object = NULL;
if (!PyArg_ParseTuple(string, "s:gst.debug_log", &str)) {
PyErr_SetString(PyExc_TypeError, "Need a string!");
return NULL;
}
frame = PyEval_GetFrame();
function = PyString_AsString(frame->f_code->co_name);
filename = g_path_get_basename(PyString_AsString(frame->f_code->co_filename));
lineno = PyCode_Addr2Line(frame->f_code, frame->f_lasti);
/* gst_debug_log : category, level, file, function, line, object, format, va_list */
if (isgstobject)
object = G_OBJECT (pygobject_get (pyobject));
gst_debug_log (python_debug, level, filename, function, lineno, object, "%s", str);
if (filename)
g_free(filename);
#endif
Py_INCREF (Py_None);
return Py_None;
}
%%
include
gstbin.override
gstbuffer.override
gstbus.override
gstcaps.override
gstelement.override
gstelementfactory.override
gstevent.override
gstmessage.override
gstobject.override
gstpad.override
gstquery.override
gststructure.override
gsttaglist.override
gstlibs.override
gstbase.override
gstversion.override
%%
init
{
pyg_register_class_init (GST_TYPE_ELEMENT, _pygst_element_init);
if (!pygst_value_init())
return;
gst_controller_init(NULL, NULL);
}
%%
modulename gst
%%
import gobject.GObject as PyGObject_Type
%%
ignore-glob
_*
*_copy
*_error_quark
*_free
*_get_type
*_private
*_thyself
*_valist
*_ref
*_unref
*_deinit
*_full
gst_class_*
gst_init*
gst_interface_*
gst_value_*
gst_param_spec_*
%%
ignore
gst_alloc_trace_list
gst_alloc_trace_get
gst_error_get_message
gst_parse_launchv
gst_trace_read_tsc
gst_debug_log
gst_debug_log_default
gst_iterator_new_list
gst_task_set_lock
gst_clock_id_compare_func
gst_print_pad_caps
gst_util_set_value_from_string
gst_print_element_args
gst_atomic_int_set
gst_caps_replace
gst_mini_object_replace
gst_filter_run
gst_flow_to_quark
gst_implements_interface_cast
gst_implements_interface_check
gst_plugin_get_module
gst_object_sink
gst_version
%%
override-slot GstPluginFeature.tp_repr
static PyObject *
_wrap_gst_plugin_feature_tp_repr(PyObject *self)
{
gchar *repr;
PyObject *ret;
GstPluginFeature *feature = GST_PLUGIN_FEATURE (pygobject_get (self));
repr = g_strdup_printf ("<%s %s @ 0x%lx>",
self->ob_type->tp_name, gst_plugin_feature_get_name (feature),
(long) self);
ret = PyString_FromString(repr);
g_free (repr);
return ret;
}
%%
override-slot GstPluginFeature.tp_str
static PyObject *
_wrap_gst_plugin_feature_tp_str(PyObject *self)
{
gchar *repr;
PyObject *ret;
GstPluginFeature *feature = GST_PLUGIN_FEATURE (pygobject_get (self));
repr = g_strdup_printf ("<%s %s (%d)>",
self->ob_type->tp_name, gst_plugin_feature_get_name (feature),
gst_plugin_feature_get_rank (feature));
ret = PyString_FromString(repr);
g_free (repr);
return ret;
}
%%
override gst_type_find_factory_get_caps noargs
static PyObject *
_wrap_gst_type_find_factory_get_caps(PyGObject *self)
{
GstCaps *ret = (GstCaps*)gst_type_find_factory_get_caps(GST_TYPE_FIND_FACTORY(self->obj));
return pyg_boxed_new(GST_TYPE_CAPS, ret, TRUE, TRUE);
}
%%
override-attr GError.domain
static PyObject *
_wrap_gst_g_error__get_domain(PyGObject *self, void *closure)
{
return PyString_FromString(g_quark_to_string(((GError*)self->obj)->domain));
}
%%
override-slot GError.tp_str
static PyObject *
_wrap_gst_g_error_tp_str(PyGObject *self)
{
GError *error = (GError*)self->obj;
return PyString_FromString(gst_error_get_message (error->domain,
error->code));
}
%%
override-attr GstDate.day
static PyObject *
_wrap_gst_date__get_day(PyGObject *self, void *closure)
{
return PyInt_FromLong(g_date_get_day((GDate*)self->obj));
}
static int
_wrap_gst_date__set_day(PyGObject *self, PyObject *value, void *closure)
{
GDate *date = (GDate *) self->obj;
if (!(PyInt_Check(value)))
return -1;
g_date_set_day(date, (int) PyInt_AsLong(value));
return 0;
}
%%
override-attr GstDate.month
static PyObject *
_wrap_gst_date__get_month(PyGObject *self, void *closure)
{
return PyInt_FromLong(g_date_get_month((GDate*)self->obj));
}
static int
_wrap_gst_date__set_month(PyGObject *self, PyObject *value, void *closure)
{
GDate *date = (GDate *) self->obj;
if (!(PyInt_Check(value)))
return -1;
g_date_set_month(date, (int) PyInt_AsLong(value));
return 0;
}
%%
override-attr GstDate.year
static PyObject *
_wrap_gst_date__get_year(PyGObject *self, void *closure)
{
return PyInt_FromLong(g_date_get_year((GDate*)self->obj));
}
static int
_wrap_gst_date__set_year(PyGObject *self, PyObject *value, void *closure)
{
GDate *date = (GDate *) self->obj;
if (!(PyInt_Check(value)))
return -1;
g_date_set_year(date, (int) PyInt_AsLong(value));
return 0;
}
%%
override-slot GstDate.tp_repr
static PyObject *
_wrap_gst_date_tp_repr(PyGObject *self)
{
GDate *date = (GDate *) self->obj;
return PyString_FromFormat ("<GstDate: %2d/%2d/%4d>",
g_date_get_day(date),
g_date_get_month(date),
g_date_get_year(date));
}
%%
override gst_registry_get_path_list
static PyObject *
_wrap_gst_registry_get_path_list (PyGObject *self)
{
GstRegistry *registry;
GList *l, *paths;
PyObject *list;
gint i;
registry = GST_REGISTRY (self->obj);
paths = gst_registry_get_path_list (registry);
list = PyList_New (g_list_length(paths));
for (l = paths, i = 0; l; l = l->next, ++i) {
gchar *path = (gchar *) l->data;
PyList_SetItem (list, i, PyString_FromString(path));
}
g_list_free (paths);
return list;
}
%%
override gst_registry_get_plugin_list
static PyObject *
_wrap_gst_registry_get_plugin_list (PyGObject *self)
{
GstRegistry *registry;
GList *l, *plugins;
PyObject *list;
gint i;
registry = GST_REGISTRY (self->obj);
plugins = gst_registry_get_plugin_list (registry);
list = PyList_New (g_list_length(plugins));
for (l = plugins, i = 0; l; l = l->next, ++i) {
GstPlugin *plugin = (GstPlugin *) l->data;
PyObject *object = pygobject_new (G_OBJECT (plugin));
gst_object_unref (plugin);
PyList_SetItem (list, i, object);
}
g_list_free (plugins);
return list;
}
%%
override gst_registry_get_feature_list kwargs
static PyObject *
_wrap_gst_registry_get_feature_list (PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "type", NULL };
PyObject *py_type = NULL;
GType type;
GstRegistry *registry;
GList *l, *features;
PyObject *list;
gint i;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"O:GstRegistry.get_feature_list", kwlist, &py_type))
return NULL;
if ((type = pyg_type_from_object(py_type)) == 0)
return NULL;
registry = GST_REGISTRY (self->obj);
features = gst_registry_get_feature_list (registry, type);
list = PyList_New (g_list_length(features));
for (l = features, i = 0; l; l = l->next, ++i) {
GstPluginFeature *feature = (GstPluginFeature *) l->data;
PyList_SetItem (list, i, pygobject_new (G_OBJECT (feature)));
gst_object_unref (feature);
}
g_list_free (features);
return list;
}
%%
override gst_registry_get_feature_list_by_plugin kwargs
static PyObject *
_wrap_gst_registry_get_feature_list_by_plugin (PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "name", NULL };
gchar * name = NULL;
GstRegistry *registry;
GList *l, *features;
PyObject *list;
gint i;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"s:GstRegistry.get_feature_list_by_plugin", kwlist, &name))
return NULL;
registry = GST_REGISTRY (self->obj);
features = gst_registry_get_feature_list_by_plugin (registry, name);
list = PyList_New (g_list_length(features));
for (l = features, i = 0; l; l = l->next, ++i) {
GstPluginFeature *feature = (GstPluginFeature *) l->data;
PyList_SetItem (list, i, pygobject_new (G_OBJECT (feature)));
}
g_list_free (features);
return list;
}
%%
new-constructor GST_TYPE_XML
%%
override gst_xml_new noargs
extern PyObject * libxml_xmlDocPtrWrap(xmlDocPtr doc);
extern PyObject * libxml_xmlNodePtrWrap(xmlNodePtr node);
/* libxml2 available check */
static PyObject *
_gst_get_libxml2_module(void)
{
PyObject *xml = NULL;
xml = PyImport_ImportModule("libxml2");
if (!xml) {
PyErr_Clear();
PyErr_SetString(PyExc_RuntimeError,"libxml2 bindings required");
return NULL;
}
return xml;
}
static int
_wrap_gst_xml_new(PyGObject *self)
{
PyObject *xml = _gst_get_libxml2_module();
if(!xml)
return -1;
self->obj = (GObject *)gst_xml_new();
if (!self->obj) {
PyErr_SetString(PyExc_RuntimeError, "could not create GstXML object");
return -1;
}
pygobject_register_wrapper((PyObject *)self);
return 0;
}
%%
override gst_xml_get_topelements noargs
static PyObject *
_wrap_gst_xml_get_topelements(PyGObject *self)
{
GList *l, *xml_elements;
PyObject *py_list;
gint i;
xml_elements = gst_xml_get_topelements(GST_XML(self->obj));
py_list = PyList_New(g_list_length(xml_elements));
for (l = xml_elements, i = 0; l; l = l->next, ++i) {
GstElement *element = (GstElement*)l->data;
PyList_SetItem(py_list, i, pygobject_new(G_OBJECT(element)));
}
return py_list;
}
%%
override gst_xml_parse_memory kwargs
static PyObject *
_wrap_gst_xml_parse_memory(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "buffer", "root", NULL };
int buffer_len, ret;
char *root = NULL;
guchar *buffer;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
"s#|s:GstXML.parse_memory",
kwlist, &buffer, &buffer_len, &root))
return NULL;
ret = gst_xml_parse_memory(GST_XML(self->obj),
buffer, buffer_len, root);
return PyBool_FromLong(ret);
}
%%
override gst_tag_setter_get_tag_list noargs
static PyObject *
_wrap_gst_tag_setter_get_tag_list(PyGObject *self)
{
GstTagList *ret;
ret = (GstTagList*)gst_tag_setter_get_tag_list(GST_TAG_SETTER(self->obj));
/* pyg_boxed_new handles NULL checking */
return pyg_boxed_new(GST_TYPE_TAG_LIST, ret, TRUE, TRUE);
}
%%
override gst_element_register kwargs
static GstPlugin *
_pygst_get_plugin(void)
{
PyObject *dict = NULL, *module = NULL, *pyplugin = NULL;
GstPlugin *ret;
if (!(module = PyImport_ImportModule ("gst")))
goto err;
if (!(dict = PyModule_GetDict (module)))
goto err;
if (!(pyplugin = PyDict_GetItemString (dict, "__plugin__")))
goto err;
ret = pyg_boxed_get (pyplugin, GstPlugin);
Py_DECREF (module);
return ret;
err:
Py_XDECREF (module);
PyErr_Clear ();
return NULL;
}
static PyObject *
_wrap_gst_element_register(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "type", "elementname", "rank", NULL };
PyObject *py_type = NULL;
guint rank = GST_RANK_NONE;
char *elementname = NULL;
int ret;
GType type;
/* FIXME: can we make the name optional, too? Anyone know a good default? */
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "Os|I:element_register", kwlist,
&py_type, &elementname, &rank))
return NULL;
if ((type = pyg_type_from_object(py_type)) == 0)
return NULL;
ret = gst_element_register(_pygst_get_plugin(), elementname, rank, type);
return PyBool_FromLong(ret);
}
%%
override-attr GError.domain
static PyObject *
_wrap_gst_g_error__get_domain(PyGObject *self, void *closure)
{
return PyString_FromString(g_quark_to_string(((GError*)self->obj)->domain));
}
%%
override-slot GError.tp_str
static PyObject *
_wrap_gst_g_error_tp_str(PyGObject *self)
{
GError *error = (GError*)self->obj;
return PyString_FromString(gst_error_get_message (error->domain,
error->code));
}
%%
override gst_flow_get_name kwargs
static PyObject *
_wrap_gst_flow_get_name(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "ret", NULL };
PyObject *py_ret = NULL;
const gchar *ret;
gchar *nret;
GstFlowReturn flow;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O:gst_flow_get_name", kwlist, &py_ret))
return NULL;
if (pyg_enum_get_value(GST_TYPE_FLOW_RETURN, py_ret, (gint *)&flow))
return NULL;
ret = gst_flow_get_name(flow);
if (ret) {
nret = g_strdup(ret);
return PyString_FromString(nret);
}
Py_INCREF(Py_None);
return Py_None;
}
%%
override gst_log args
static PyObject *
_wrap_gst_log (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_LOG, FALSE);
}
%%
override gst_debug args
static PyObject *
_wrap_gst_debug (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_DEBUG, FALSE);
}
%%
override gst_info args
static PyObject *
_wrap_gst_info (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_INFO, FALSE);
}
%%
override gst_warning args
static PyObject *
_wrap_gst_warning (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_WARNING, FALSE);
}
%%
override gst_error args
static PyObject *
_wrap_gst_error (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_ERROR, FALSE);
}
%%
override gst_object_log args
static PyObject *
_wrap_gst_object_log (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_LOG, TRUE);
}
%%
override gst_object_debug args
static PyObject *
_wrap_gst_object_debug (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_DEBUG, TRUE);
}
%%
override gst_object_info args
static PyObject *
_wrap_gst_object_info (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_INFO, TRUE);
}
%%
override gst_object_warning args
static PyObject *
_wrap_gst_object_warning (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_WARNING, TRUE);
}
%%
override gst_object_error args
static PyObject *
_wrap_gst_object_error (PyObject *whatever, PyObject *string)
{
return pygst_debug_log (whatever, string, GST_LEVEL_ERROR, TRUE);
}
%%
override GST_TIME_ARGS kwargs
static PyObject *
_wrap_GST_TIME_ARGS(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "time", NULL };
PyObject *py_time = NULL;
PyObject *string;
gchar *ret;
guint64 time;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O:time_to_string", kwlist, &py_time))
return NULL;
time = PyInt_AsUnsignedLongLongMask(py_time);
if (GST_CLOCK_TIME_IS_VALID (time))
ret = g_strdup_printf("%"GST_TIME_FORMAT, GST_TIME_ARGS(time));
else
ret = g_strdup ("CLOCK_TIME_NONE");
if (!ret) {
Py_INCREF(Py_None);
return Py_None;
}
if (!(string = PyString_FromString(ret))) {
g_free(ret);
return NULL;
}
g_free(ret);
return string;
}
%%
override gst_type_find_factory_get_list noargs
static PyObject *
_wrap_gst_type_find_factory_get_list (PyObject *self)
{
GList *l, *list;
PyObject *py_list;
int i = 0;
list = gst_type_find_factory_get_list ();
py_list = PyList_New(g_list_length(list));
for (l = list; l ; l = g_list_next(l), i++) {
GstTypeFindFactory *fact = (GstTypeFindFactory*) l->data;
PyList_SetItem(py_list, i,
pygobject_new (G_OBJECT (fact)));
}
g_list_free (list);
return py_list;
}
%%
override gst_get_gst_version noargs
static PyObject *
_wrap_gst_get_gst_version (PyObject *self)
{
guint major, minor, micro, nano;
PyObject *py_tuple;
gst_version (&major, &minor, &micro, &nano);
py_tuple = PyTuple_New(4);
PyTuple_SetItem(py_tuple, 0, PyInt_FromLong(major));
PyTuple_SetItem(py_tuple, 1, PyInt_FromLong(minor));
PyTuple_SetItem(py_tuple, 2, PyInt_FromLong(micro));
PyTuple_SetItem(py_tuple, 3, PyInt_FromLong(nano));
return py_tuple;
}
%%
override gst_get_pygst_version noargs
static PyObject *
_wrap_gst_get_pygst_version (PyObject *self)
{
PyObject *py_tuple;
py_tuple = Py_BuildValue ("(iiii)", PYGST_MAJOR_VERSION, PYGST_MINOR_VERSION,
PYGST_MICRO_VERSION, PYGST_NANO_VERSION);
return py_tuple;
}
%%
override gst_clock_get_calibration noargs
static PyObject *
_wrap_gst_clock_get_calibration (PyGObject * self)
{
PyObject *ret;
GstClockTime internal;
GstClockTime external;
GstClockTime rate_num;
GstClockTime rate_denom;
gst_clock_get_calibration (GST_CLOCK (self->obj),
&internal,
&external,
&rate_num,
&rate_denom);
ret = PyTuple_New(4);
PyTuple_SetItem(ret, 0, PyLong_FromUnsignedLongLong(internal));
PyTuple_SetItem(ret, 1, PyLong_FromUnsignedLongLong(external));
PyTuple_SetItem(ret, 2, PyLong_FromUnsignedLongLong(rate_num));
PyTuple_SetItem(ret, 3, PyLong_FromUnsignedLongLong(rate_denom));
return ret;
}
%%
override gst_clock_add_observation kwargs
static PyObject *
_wrap_gst_clock_add_observation (PyGObject *self, PyObject * args, PyObject * kwargs)
{
static char *kwlist[] = { "slave", "master", NULL};
GstClockTime master, slave;
gdouble squared = 1.0;
PyObject *py_ret;
gboolean ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "KK:GstClock.add_observation",
kwlist, &master, &slave))
return NULL;
ret = gst_clock_add_observation (GST_CLOCK (self->obj), master, slave,
&squared);
py_ret = PyList_New(2);
PyList_SetItem(py_ret, 0, PyBool_FromLong(ret));
PyList_SetItem(py_ret, 1, PyFloat_FromDouble(squared));
return py_ret;
}
%%
override gst_type_find_helper_for_buffer kwargs
static PyObject *
_wrap_gst_type_find_helper_for_buffer (PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "object", "buffer", NULL };
PyGObject *py_object;
PyGstMiniObject *py_buffer;
PyObject *py_ret;
GstTypeFindProbability prob = 0;
GstCaps *caps = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:type_find_helper_for_buffer",
kwlist, &PyGstObject_Type, &py_object,
&PyGstBuffer_Type, &py_buffer))
return NULL;
caps = gst_type_find_helper_for_buffer (GST_OBJECT (py_object->obj),
GST_BUFFER (py_buffer->obj),
&prob);
py_ret = PyTuple_New(2);
if (caps)
PyTuple_SetItem(py_ret, 0, pyg_boxed_new (GST_TYPE_CAPS, caps, FALSE, TRUE));
else {
Py_INCREF(Py_None);
PyTuple_SetItem(py_ret, 0, Py_None);
}
if (prob)
PyTuple_SetItem(py_ret, 1, pyg_enum_from_gtype(GST_TYPE_TYPE_FIND_PROBABILITY, prob));
else {
Py_INCREF(Py_None);
PyTuple_SetItem(py_ret, 1, Py_None);
}
return py_ret;
}
%%
override gst_type_find_new kwargs
static guint8 *
gst_type_find_peek_handler (gpointer data, gint64 offset, guint size)
{
PyGILState_STATE state;
guint8 * ret = NULL;
PyObject *py_data;
PyObject *callback, *args;
PyObject *py_ret;
GST_DEBUG ("mkay");
g_return_val_if_fail (data != NULL, NULL);
py_data = (PyObject *) data;
g_assert (PyTuple_Check (py_data));
state = pyg_gil_state_ensure ();
/* Figure out the callback and create the arguments */
if (!(callback = PyTuple_GetItem(py_data, 1)))
goto beach;
args = Py_BuildValue ("(OLI)",
PyTuple_GetItem(py_data, 0),
offset, size);
if (!args)
goto beach;
/* Call python method */
py_ret = PyObject_CallObject (callback, args);
/* transform return value (a string) */
if (!py_ret) {
Py_DECREF (args);
goto beach;
}
if (!PyString_Check(py_ret)) {
Py_DECREF (py_ret);
Py_DECREF (args);
goto beach;
} else {
gchar *str;
Py_ssize_t len;
if ((PyString_AsStringAndSize(py_ret, &str, &len)) == -1) {
Py_DECREF (py_ret);
Py_DECREF (args);
goto beach;
}
GST_DEBUG ("got string of len %d", len);
if (len)
ret = g_memdup((gconstpointer) str, (guint) len);
}
Py_DECREF (py_ret);
Py_DECREF (args);
beach:
pyg_gil_state_release (state);
return ret;
}
static void
gst_type_find_suggest_handler (gpointer data, guint probability, const GstCaps * caps)
{
PyGILState_STATE state;
PyObject *py_data;
PyObject *callback, *args;
GST_DEBUG ("mkay");
if (!data)
return;
py_data = (PyObject *) data;
g_assert (PyTuple_Check (py_data));
state = pyg_gil_state_ensure ();
/* Figure out the callback and create the arguments */
if (!(callback = PyTuple_GetItem(py_data, 2)))
goto beach;
args = Py_BuildValue ("(OIN)",
PyTuple_GetItem(py_data, 0),
probability, pyg_boxed_new (GST_TYPE_CAPS, (GstCaps*) caps, TRUE, TRUE));
if (!args)
goto beach;
/* Call python method */
PyObject_CallObject (callback, args);
Py_DECREF (args);
beach:
pyg_gil_state_release (state);
return;
}
static guint64
gst_type_find_get_length_handler (gpointer data)
{
guint64 ret = 0;
/* Call python method */
return ret;
}
static PyObject *
_wrap_gst_type_find_new (PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "data", "peekfunction", "suggestfunction", "getlengthfunction", NULL };
PyObject *py_data;
gpointer data;
PyObject *peekfunction;
PyObject *suggestfunction;
PyObject *getlengthfunction = NULL;
PyObject *pytypefind = NULL;
GstTypeFind *typefind = NULL;
GST_DEBUG ("poeut");
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OOO|O:type_find_new",
kwlist, &py_data, &peekfunction,
&suggestfunction, &getlengthfunction)) {
PyErr_SetString (PyExc_TypeError, "Error parsing values ...");
return NULL;
}
if (!PyCallable_Check(peekfunction)) {
PyErr_SetString (PyExc_TypeError, "peekfunction is not callable");
return NULL;
}
if (!PyCallable_Check(suggestfunction)) {
PyErr_SetString (PyExc_TypeError, "suggestfunction is not callable");
return NULL;
}
if (getlengthfunction && (!PyCallable_Check(suggestfunction))) {
PyErr_SetString (PyExc_TypeError, "getlengthfunction is not callable");
return NULL;
}
/* Create a python list to put in typefind->data */
if (getlengthfunction)
data = Py_BuildValue("(OOOO)", py_data, peekfunction, suggestfunction, getlengthfunction);
else
data = Py_BuildValue("(OOO)", py_data, peekfunction, suggestfunction);
typefind = g_new0(GstTypeFind, 1);
typefind->peek = gst_type_find_peek_handler;
typefind->suggest = gst_type_find_suggest_handler;
typefind->data = data;
if (getlengthfunction)
typefind->get_length = gst_type_find_get_length_handler;
pytypefind = pyg_pointer_new (GST_TYPE_TYPE_FIND, typefind);
if (!pytypefind) {
PyErr_SetString (PyExc_TypeError, "pyg_pointer_new failed");
}
GST_DEBUG ("poeut : %p", pytypefind);
return pytypefind;
}
%%
override gst_segment_set_seek kwargs
static PyObject *
_wrap_gst_segment_set_seek (PyObject * self, PyObject * args, PyObject * kwargs)
{
static char *kwlist[] = { "rate", "format", "flags", "start_type", "start",
"stop_type", "stop", NULL };
GstSeekType start_type, stop_type;
PyObject *py_format = NULL, *py_flags = NULL, *py_start_type = NULL;
PyObject *py_stop_type = NULL, *py_ret;
double rate;
GstFormat format;
gint64 start, stop;
GstSeekFlags flags;
gboolean update = FALSE;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,"dOOOLOL:GstSegment.set_seek",
kwlist, &rate, &py_format, &py_flags,
&py_start_type, &start, &py_stop_type,
&stop))
return NULL;
if (pyg_enum_get_value(GST_TYPE_FORMAT, py_format, (gint *)&format))
return NULL;
if (pyg_flags_get_value(GST_TYPE_SEEK_FLAGS, py_flags, (gint *)&flags))
return NULL;
if (pyg_enum_get_value(GST_TYPE_SEEK_TYPE, py_start_type, (gint *)&start_type))
return NULL;
if (pyg_enum_get_value(GST_TYPE_SEEK_TYPE, py_stop_type, (gint *)&stop_type))
return NULL;
pyg_begin_allow_threads;
gst_segment_set_seek(pyg_boxed_get(self, GstSegment), rate, format, flags,
start_type, start, stop_type, stop, &update);
pyg_end_allow_threads;
py_ret = PyBool_FromLong(update);
return py_ret;
}
%%
override gst_segment_clip kwargs
static PyObject *
_wrap_gst_segment_clip (PyObject * self, PyObject * args, PyObject * kwargs)
{
static char *kwlist[] = { "format", "start", "stop", NULL};
GstFormat format;
gint64 start, stop;
gint64 cstart = -1;
gint64 cstop = -1;
gboolean ret;
PyObject *py_ret, *py_format;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OLL:GstSegment.clip",
kwlist, &py_format, &start, &stop))
return NULL;
if (pyg_enum_get_value(GST_TYPE_FORMAT, py_format, (gint *)&format))
return NULL;
pyg_begin_allow_threads;
ret = gst_segment_clip (pyg_boxed_get(self, GstSegment), format, start, stop,
&cstart, &cstop);
pyg_end_allow_threads;
/* Returns gboolean ret, gint64 clip_start, gint64 clip_stop */
py_ret = PyList_New(3);
PyList_SetItem(py_ret, 0, PyBool_FromLong(ret));
PyList_SetItem(py_ret, 1, PyLong_FromLongLong(cstart));
PyList_SetItem(py_ret, 2, PyLong_FromLongLong(cstop));
return py_ret;
}
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