2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
27 #include <gst/bytestream/bytestream.h>
29 #define GST_TYPE_BSTEST (gst_bstest_get_type())
30 #define GST_BSTEST(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BSTEST,GstBsTest))
31 #define GST_BSTEST_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BSTEST,GstBsTestClass))
32 #define GST_IS_BSTEST(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BSTEST))
33 #define GST_IS_BSTEST_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BSTEST))
35 typedef struct _GstBsTest GstBsTest;
36 typedef struct _GstBsTestClass GstBsTestClass;
56 struct _GstBsTestClass
58 GstElementClass parent_class;
61 GType gst_bstest_get_type (void);
64 GstElementDetails gst_bstest_details = {
67 "Test for the GstByteStream code",
69 "Erik Walthinsen <omega@temple-baptist.com>," "Wim Taymans <wim.taymans@chello.be>",
74 /* BsTest signals and args */
92 static void gst_bstest_class_init (GstBsTestClass * klass);
93 static void gst_bstest_init (GstBsTest * bstest);
95 static void gst_bstest_set_property (GObject * object, guint prop_id, const GValue * value,
97 static void gst_bstest_get_property (GObject * object, guint prop_id, GValue * value,
100 static GstElementStateReturn gst_bstest_change_state (GstElement *element);
101 static void gst_bstest_loop (GstElement * element);
103 static GstElementClass *parent_class = NULL;
105 // static guint gst_bstest_signals[LAST_SIGNAL] = { 0 };
108 gst_bstest_get_type (void)
110 static GType bstest_type = 0;
113 static const GTypeInfo bstest_info = {
114 sizeof (GstBsTestClass), NULL,
116 (GClassInitFunc) gst_bstest_class_init,
121 (GInstanceInitFunc) gst_bstest_init,
124 bstest_type = g_type_register_static (GST_TYPE_ELEMENT, "BSTest", &bstest_info, 0);
130 gst_bstest_class_init (GstBsTestClass * klass)
132 GObjectClass *gobject_class;
133 GstElementClass *gstelement_class;
135 gobject_class = (GObjectClass *) klass;
136 gstelement_class = (GstElementClass*)klass;
138 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
140 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMIN,
141 g_param_spec_int ("sizemin", "sizemin", "sizemin", 0, G_MAXINT,
142 0, G_PARAM_READWRITE));
143 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMAX,
144 g_param_spec_int ("sizemax", "sizemax", "sizemax", 0, G_MAXINT,
145 384, G_PARAM_READWRITE));
146 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACCESSPATTERN,
147 g_param_spec_string ("accesspattern", "accesspattern", "accesspattern",
148 "r", G_PARAM_READWRITE));
149 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_COUNT,
150 g_param_spec_uint ("count", "count", "count",
151 0, G_MAXUINT, 0, G_PARAM_READWRITE));
152 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
153 g_param_spec_boolean ("silent", "silent", "silent",
154 FALSE, G_PARAM_READWRITE));
156 gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_bstest_set_property);
157 gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_bstest_get_property);
159 gstelement_class->change_state = gst_bstest_change_state;
163 static GstPadNegotiateReturn
164 gst_bstest_negotiate_src (GstPad * pad, GstCaps ** caps, gpointer * data)
168 bstest = GST_BSTEST (gst_pad_get_parent (pad));
170 return gst_pad_negotiate_proxy (pad, bstest->sinkpad, caps);
173 static GstPadNegotiateReturn
174 gst_bstest_negotiate_sink (GstPad * pad, GstCaps ** caps, gpointer * data)
178 bstest = GST_BSTEST (gst_pad_get_parent (pad));
180 return gst_pad_negotiate_proxy (pad, bstest->srcpad, caps);
184 gst_bstest_init (GstBsTest * bstest)
186 bstest->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
187 gst_element_add_pad (GST_ELEMENT (bstest), bstest->sinkpad);
188 gst_pad_set_negotiate_function (bstest->sinkpad, gst_bstest_negotiate_sink);
190 bstest->srcpad = gst_pad_new ("src", GST_PAD_SRC);
191 gst_element_add_pad (GST_ELEMENT (bstest), bstest->srcpad);
192 gst_pad_set_negotiate_function (bstest->srcpad, gst_bstest_negotiate_src);
194 gst_element_set_loop_function (GST_ELEMENT (bstest), gst_bstest_loop);
197 bstest->sizemax = 384;
198 bstest->accesspattern = g_strdup ("r");
199 bstest->patterns = g_strsplit (bstest->accesspattern, ":", 0);
201 bstest->silent = FALSE;
206 gst_bstest_get_size (GstBsTest *bstest, gchar *sizestring, guint prevsize)
210 if (sizestring[0] == 0) {
211 size = bstest->sizemax;
213 else if (sizestring[0] == 'r') {
214 size = bstest->sizemin + (guint8)(((gfloat)bstest->sizemax)*rand()/(RAND_MAX + (gfloat)bstest->sizemin));
216 else if (sizestring[0] == '<') {
220 size = atoi (sizestring);
223 if (size == 0) size++;
229 gst_bstest_loop (GstElement * element)
232 GstBuffer *buf = NULL;
234 g_return_if_fail (element != NULL);
235 g_return_if_fail (GST_IS_BSTEST (element));
237 bstest = GST_BSTEST (element);
243 while (i < bstest->num_patterns) {
246 if (bstest->patterns[i][0] == 'r') {
247 size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
248 if (!bstest->silent) g_print ("bstest: ***** read %d bytes\n", size);
249 buf = gst_bytestream_read (bstest->bs, size);
251 else if (bstest->patterns[i][0] == 'f') {
252 size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
253 if (!bstest->silent) g_print ("bstest: ***** flush %d bytes\n", size);
254 gst_bytestream_flush (bstest->bs, size);
256 else if (!strncmp (bstest->patterns[i], "pb", 2)) {
257 size = gst_bstest_get_size (bstest, &bstest->patterns[i][2], size);
258 if (!bstest->silent) g_print ("bstest: ***** peek bytes %d bytes\n", size);
259 gst_bytestream_peek_bytes (bstest->bs, size);
261 else if (bstest->patterns[i][0] == 'p') {
262 size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
263 if (!bstest->silent) g_print ("bstest: ***** peek %d bytes\n", size);
264 buf = gst_bytestream_peek (bstest->bs, size);
265 gst_buffer_unref (buf);
270 gst_pad_push (bstest->srcpad, buf);
274 /* } while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element)); */
280 gst_bstest_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
284 /* it's not null if we got it, but it might not be ours */
285 g_return_if_fail (GST_IS_BSTEST (object));
287 bstest = GST_BSTEST (object);
291 bstest->sizemin = g_value_get_int (value);
294 bstest->sizemax = g_value_get_int (value);
296 case ARG_ACCESSPATTERN:
297 if (bstest->accesspattern) {
298 g_free (bstest->accesspattern);
299 g_strfreev (bstest->patterns);
301 if (g_value_get_string (value) == NULL) {
302 gst_element_set_state (GST_ELEMENT (object), GST_STATE_NULL);
303 bstest->accesspattern = NULL;
304 bstest->num_patterns = 0;
308 bstest->accesspattern = g_strdup (g_value_get_string (value));
309 bstest->patterns = g_strsplit (bstest->accesspattern, ":", 0);
310 while (bstest->patterns[i++]);
311 bstest->num_patterns = i-1;
315 bstest->count = g_value_get_uint (value);
318 bstest->silent = g_value_get_boolean (value);
321 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
327 gst_bstest_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
331 /* it's not null if we got it, but it might not be ours */
332 g_return_if_fail (GST_IS_BSTEST (object));
334 bstest = GST_BSTEST (object);
338 g_value_set_int (value, bstest->sizemin);
341 g_value_set_int (value, bstest->sizemax);
343 case ARG_ACCESSPATTERN:
344 g_value_set_string (value, bstest->accesspattern);
347 g_value_set_uint (value, bstest->count);
350 g_value_set_boolean (value, bstest->silent);
353 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
358 static GstElementStateReturn
359 gst_bstest_change_state (GstElement *element)
363 g_return_val_if_fail (GST_IS_BSTEST (element), GST_STATE_FAILURE);
365 bstest = GST_BSTEST (element);
367 if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
369 gst_bytestream_destroy (bstest->bs);
375 bstest->bs = gst_bytestream_new (bstest->sinkpad);
379 if (GST_ELEMENT_CLASS (parent_class)->change_state)
380 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
382 return GST_STATE_SUCCESS;
386 plugin_init (GModule * module, GstPlugin * plugin)
388 GstElementFactory *factory;
390 // we need gstbytestream
391 if (!gst_library_load ("gstbytestream")) {
392 g_print ("can't load bytestream\n");
396 /* We need to create an ElementFactory for each element we provide.
397 * This consists of the name of the element, the GType identifier,
398 * and a pointer to the details structure at the top of the file.
400 factory = gst_elementfactory_new ("bstest", GST_TYPE_BSTEST, &gst_bstest_details);
401 g_return_val_if_fail (factory != NULL, FALSE);
403 /* The very last thing is to register the elementfactory with the plugin. */
404 gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
409 GST_PLUGIN_DESC (GST_VERSION_MAJOR, GST_VERSION_MINOR, "bstest", plugin_init);