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289 lines
8.1 KiB
C
289 lines
8.1 KiB
C
/* GStreamer
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*
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* some unit tests for GstBaseTransform
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*
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* Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/base/gstbasetransform.h>
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typedef struct
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{
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GstPad *srcpad;
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GstPad *sinkpad;
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GList *events;
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GList *buffers;
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GstElement *trans;
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GstBaseTransformClass *klass;
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} TestTransData;
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static GstStaticPadTemplate gst_test_trans_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("foo/x-bar")
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);
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static GstStaticPadTemplate gst_test_trans_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("foo/x-bar")
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);
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typedef struct _GstTestTrans GstTestTrans;
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typedef struct _GstTestTransClass GstTestTransClass;
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#define GST_TEST_TRANS(obj) ((GstTestTrans *)(obj))
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struct _GstTestTrans
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{
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GstBaseTransform element;
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TestTransData *data;
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};
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struct _GstTestTransClass
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{
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GstBaseTransformClass parent_class;
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};
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static GstFlowReturn (*klass_transform) (GstBaseTransform * trans,
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GstBuffer * inbuf, GstBuffer * outbuf) = NULL;
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static GstFlowReturn (*klass_transform_ip) (GstBaseTransform * trans,
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GstBuffer * buf) = NULL;
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static gboolean (*klass_set_caps) (GstBaseTransform * trans, GstCaps * incaps,
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GstCaps * outcaps) = NULL;
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static GstCaps *(*klass_fixate_caps) (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps) = NULL;
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static GstCaps *(*klass_transform_caps) (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter) = NULL;
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static gboolean (*klass_transform_size) (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, gsize size, GstCaps * othercaps,
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gsize * othersize) = NULL;
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static gboolean klass_passthrough_on_same_caps = FALSE;
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GstFlowReturn (*klass_submit_input_buffer) (GstBaseTransform * trans,
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gboolean is_discont, GstBuffer * input) = NULL;
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GstFlowReturn (*klass_generate_output) (GstBaseTransform * trans,
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GstBuffer ** outbuf) = NULL;
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static GstStaticPadTemplate *sink_template = &gst_test_trans_sink_template;
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static GstStaticPadTemplate *src_template = &gst_test_trans_src_template;
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static void
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gst_test_trans_class_init (GstTestTransClass * klass)
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{
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GstElementClass *element_class;
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GstBaseTransformClass *trans_class;
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element_class = (GstElementClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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gst_element_class_set_metadata (element_class, "TestTrans",
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"Filter/Test", "Test transform", "Wim Taymans <wim.taymans@gmail.com>");
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gst_element_class_add_static_pad_template (element_class, sink_template);
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gst_element_class_add_static_pad_template (element_class, src_template);
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GST_INFO ("setting up %s", g_type_name (((GTypeClass *) klass)->g_type));
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trans_class->passthrough_on_same_caps = klass_passthrough_on_same_caps;
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if (klass_transform_ip != NULL)
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trans_class->transform_ip = klass_transform_ip;
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if (klass_transform != NULL)
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trans_class->transform = klass_transform;
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if (klass_transform_caps != NULL)
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trans_class->transform_caps = klass_transform_caps;
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if (klass_transform_size != NULL)
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trans_class->transform_size = klass_transform_size;
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if (klass_set_caps != NULL)
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trans_class->set_caps = klass_set_caps;
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if (klass_fixate_caps != NULL)
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trans_class->fixate_caps = klass_fixate_caps;
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if (klass_submit_input_buffer != NULL)
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trans_class->submit_input_buffer = klass_submit_input_buffer;
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if (klass_generate_output)
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trans_class->generate_output = klass_generate_output;
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}
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static void
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gst_test_trans_init (GstTestTrans * this)
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{
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}
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static void
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gst_test_trans_set_data (GstTestTrans * this, TestTransData * data)
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{
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this->data = data;
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}
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static GstFlowReturn
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result_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
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{
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TestTransData *data;
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data = gst_pad_get_element_private (pad);
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data->buffers = g_list_append (data->buffers, buffer);
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return GST_FLOW_OK;
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}
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#if 0
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static GstFlowReturn
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result_buffer_alloc (GstPad * pad, guint64 offset, guint size, GstCaps * caps,
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GstBuffer ** buf)
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{
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GstFlowReturn res;
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TestTransData *data;
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data = gst_pad_get_element_private (pad);
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*buf = gst_buffer_new_and_alloc (size);
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gst_buffer_set_caps (*buf, caps);
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res = GST_FLOW_OK;
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return res;
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}
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#endif
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static TestTransData *
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gst_test_trans_new (void)
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{
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TestTransData *res;
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GstPad *tmp;
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GstPadTemplate *templ;
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GType type;
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/* we register a new sub-class for every test-run, so the class init
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* function is called for every test run and can be set up properly
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* even with CK_FORK=no */
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{
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static gint counter = 0;
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gchar name[100];
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g_snprintf (name, sizeof (name), "GstTestTrans%d", ++counter);
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type = g_type_register_static_simple (GST_TYPE_BASE_TRANSFORM, name,
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sizeof (GstTestTransClass), (GClassInitFunc) gst_test_trans_class_init,
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sizeof (GstTestTrans), (GInstanceInitFunc) gst_test_trans_init, 0);
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}
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res = g_new0 (TestTransData, 1);
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res->trans = g_object_new (type, NULL);
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templ = gst_static_pad_template_get (sink_template);
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templ->direction = GST_PAD_SRC;
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res->srcpad = gst_pad_new_from_template (templ, "src");
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gst_object_unref (templ);
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templ = gst_static_pad_template_get (src_template);
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templ->direction = GST_PAD_SINK;
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res->sinkpad = gst_pad_new_from_template (templ, "sink");
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gst_object_unref (templ);
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res->klass = GST_BASE_TRANSFORM_GET_CLASS (res->trans);
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gst_test_trans_set_data (GST_TEST_TRANS (res->trans), res);
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gst_pad_set_element_private (res->sinkpad, res);
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gst_pad_set_chain_function (res->sinkpad, result_sink_chain);
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tmp = gst_element_get_static_pad (res->trans, "sink");
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gst_pad_link (res->srcpad, tmp);
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gst_object_unref (tmp);
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tmp = gst_element_get_static_pad (res->trans, "src");
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gst_pad_link (tmp, res->sinkpad);
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gst_object_unref (tmp);
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gst_pad_set_active (res->sinkpad, TRUE);
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gst_element_set_state (res->trans, GST_STATE_PAUSED);
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gst_pad_set_active (res->srcpad, TRUE);
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gst_pad_push_event (res->srcpad, gst_event_new_stream_start ("test"));
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return res;
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}
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static void
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gst_test_trans_free (TestTransData * data)
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{
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GstPad *tmp;
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gst_pad_set_active (data->sinkpad, FALSE);
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gst_element_set_state (data->trans, GST_STATE_NULL);
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gst_pad_set_active (data->srcpad, FALSE);
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tmp = gst_element_get_static_pad (data->trans, "src");
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gst_pad_unlink (tmp, data->sinkpad);
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gst_object_unref (tmp);
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tmp = gst_element_get_static_pad (data->trans, "sink");
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gst_pad_link (data->srcpad, tmp);
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gst_object_unref (tmp);
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gst_object_unref (data->srcpad);
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gst_object_unref (data->sinkpad);
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gst_object_unref (data->trans);
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g_free (data);
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}
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static GstFlowReturn
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gst_test_trans_push (TestTransData * data, GstBuffer * buffer)
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{
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GstFlowReturn ret;
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ret = gst_pad_push (data->srcpad, buffer);
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return ret;
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}
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static GstBuffer *
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gst_test_trans_pop (TestTransData * data)
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{
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GstBuffer *ret;
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if (data->buffers) {
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ret = data->buffers->data;
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data->buffers = g_list_delete_link (data->buffers, data->buffers);
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} else {
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ret = NULL;
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}
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return ret;
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}
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static gboolean
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gst_test_trans_setcaps (TestTransData * data, GstCaps * caps)
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{
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return gst_pad_set_caps (data->srcpad, caps);
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}
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static gboolean
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gst_test_trans_push_segment (TestTransData * data)
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{
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GstSegment segment;
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gst_segment_init (&segment, GST_FORMAT_TIME);
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return gst_pad_push_event (data->srcpad, gst_event_new_segment (&segment));
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}
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