gst/debug/: Add new test element and clean-up the others a little.

Original commit message from CVS:
* gst/debug/Makefile.am:
* gst/debug/breakmydata.c:
* gst/debug/gstdebug.c:
* gst/debug/negotiation.c:
* gst/debug/progressreport.c:
* gst/debug/rndbuffersize.c:
* gst/debug/testplugin.c:
Add new test element and clean-up the others a little.

ChangeLog

+2007-08-14  Stefan Kost  <ensonic@users.sf.net>
+
+	* gst/debug/Makefile.am:
+	* gst/debug/breakmydata.c:
+	* gst/debug/gstdebug.c:
+	* gst/debug/negotiation.c:
+	* gst/debug/progressreport.c:
+	* gst/debug/rndbuffersize.c:
+	* gst/debug/testplugin.c:
+	  Add new test element and clean-up the others a little.
+
 2007-08-12  Wim Taymans  <wim.taymans@gmail.com>
 
 	* gst/qtdemux/qtdemux.c: (qtdemux_parse_node):

gst/debug/Makefile.am

@@ -29,13 +29,15 @@ libgstnavigationtest_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstdebug_la_SOURCES = \
 	gstdebug.c \
 	breakmydata.c \
-	progressreport.c \
-	progressreport.h \
 	gstnavseek.c \
 	gstpushfilesrc.c \
 	gstpushfilesrc.h \
+	rndbuffersize.c \
+	progressreport.c \
+	progressreport.h \
 	tests.c \
 	testplugin.c
+
 # 	negotiation.c
 
 libgstdebug_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)

gst/debug/breakmydata.c

@@ -16,6 +16,13 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+/**
+ * SECTION:element-breakmydata
+ *
+ * This element modifies the contents of the buffer it is passed randomly
+ * according to the parameters set.
+ * It otherwise acts as an identity.
+ */
 
 #ifdef HAVE_CONFIG_H
 #  include "config.h"
@@ -27,11 +34,6 @@
 GST_DEBUG_CATEGORY_STATIC (gst_break_my_data_debug);
 #define GST_CAT_DEFAULT gst_break_my_data_debug
 
-/* This plugin modifies the contents of the buffer it is passed randomly
- * according to the parameters set.
- * It otherwise acts as an identity.
- */
-
 #define GST_TYPE_BREAK_MY_DATA \
   (gst_break_my_data_get_type())
 #define GST_BREAK_MY_DATA(obj) \
@@ -131,11 +133,11 @@ gst_break_my_data_class_init (GstBreakMyDataClass * klass)
   g_object_class_install_property (gobject_class, ARG_SEED,
       g_param_spec_uint ("seed", "seed",
           "seed for randomness (initialized when going from READY to PAUSED)",
-          0, 0xFFFFFFFF, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          0, G_MAXUINT32, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
   g_object_class_install_property (gobject_class, ARG_SET_TO,
       g_param_spec_int ("set-to", "set-to",
           "set changed bytes to this value (-1 means random value",
-          -1, 255, -1, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+          -1, G_MAXUINT8, -1, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
   g_object_class_install_property (gobject_class, ARG_SKIP,
       g_param_spec_uint ("skip", "skip",
           "amount of bytes skipped at the beginning of stream",
@@ -289,7 +291,7 @@ gst_break_my_data_stop (GstBaseTransform * trans)
 }
 
 gboolean
-gst_break_my_data_plugin_init (GstPlugin * plugin, GstPluginClass * g_class)
+gst_break_my_data_plugin_init (GstPlugin * plugin)
 {
   if (!gst_element_register (plugin, "breakmydata", GST_RANK_NONE,
           GST_TYPE_BREAK_MY_DATA))

gst/debug/gstdebug.c

@@ -23,18 +23,22 @@
 
 #include <gst/gst.h>
 
-gboolean gst_progress_report_plugin_init (GstPlugin * plugin);
+gboolean gst_break_my_data_plugin_init (GstPlugin * plugin);
+gboolean gst_rnd_buffer_size_plugin_init (GstPlugin * plugin);
 gboolean gst_navseek_plugin_init (GstPlugin * plugin);
+gboolean gst_progress_report_plugin_init (GstPlugin * plugin);
 gboolean gst_test_plugin_init (GstPlugin * plugin);
-gboolean gst_break_my_data_plugin_init (GstPlugin * plugin);
-gboolean gst_push_file_src_plugin_init (GstPlugin * plugin);
 
-/* gboolean gst_negotiation_plugin_init (GstPlugin * plugin); */
+/*
+gboolean gst_push_file_src_plugin_init (GstPlugin * plugin);
+gboolean gst_negotiation_plugin_init (GstPlugin * plugin);
+*/
 
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
   if (!gst_break_my_data_plugin_init (plugin) ||
+      !gst_rnd_buffer_size_plugin_init (plugin) ||
       !gst_navseek_plugin_init (plugin) ||
 /*    !gst_push_file_src_plugin_init (plugin) || */
 /*    !gst_negotiation_plugin_init (plugin) || */

gst/debug/negotiation.c

@@ -110,14 +110,6 @@ static void gst_negotiation_chain (GstPad * pad, GstData * _data);
 
 static GstElementClass *parent_class = NULL;
 
-typedef struct _GstFencedBuffer GstFencedBuffer;
-struct _GstFencedBuffer
-{
-  GstBuffer buffer;
-  void *region;
-  unsigned int length;
-};
-
 GType
 gst_gst_negotiation_get_type (void)
 {

gst/debug/progressreport.c

@@ -490,7 +490,7 @@ gst_progress_report_get_property (GObject * object, guint prop_id,
 
 
 gboolean
-gst_progress_report_plugin_init (GstPlugin * plugin, GstPluginClass * g_class)
+gst_progress_report_plugin_init (GstPlugin * plugin)
 {
   return gst_element_register (plugin, "progressreport", GST_RANK_NONE,
       GST_TYPE_PROGRESS_REPORT);

gst/debug/rndbuffersize.c

+/* GStreamer
+ * Copyright (C) 2007 Nokia Corporation (contact <stefan.kost@nokia.com>)
+ *
+ * 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.
+ */
+/**
+ * SECTION:element-rndbuffersize
+ *
+ * This element pulls buffers with random sizes from the source.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+GST_DEBUG_CATEGORY_STATIC (gst_rnd_buffer_size_debug);
+#define GST_CAT_DEFAULT gst_rnd_buffer_size_debug
+
+#define GST_TYPE_RND_BUFFER_SIZE            (gst_rnd_buffer_size_get_type())
+#define GST_RND_BUFFER_SIZE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RND_BUFFER_SIZE,GstRndBufferSize))
+#define GST_RND_BUFFER_SIZE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RND_BUFFER_SIZE,GstRndBufferSizeClass))
+#define GST_IS_RND_BUFFER_SIZE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RND_BUFFER_SIZE))
+#define GST_IS_RND_BUFFER_SIZE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RND_BUFFER_SIZE))
+
+typedef struct _GstRndBufferSize GstRndBufferSize;
+typedef struct _GstRndBufferSizeClass GstRndBufferSizeClass;
+
+struct _GstRndBufferSize
+{
+  GstElement parent;
+
+  GRand *rand;
+  gulong seed;
+  glong min, max;
+
+  /* < private > */
+  GstPad *sinkpad, *srcpad;
+  guint64 offset;
+};
+
+struct _GstRndBufferSizeClass
+{
+  GstElementClass parent_class;
+};
+
+enum
+{
+  ARG_SEED = 1,
+  ARG_MINIMUM,
+  ARG_MAXIMUM
+};
+
+GstStaticPadTemplate gst_rnd_buffer_size_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+
+GstStaticPadTemplate gst_rnd_buffer_size_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+
+static void gst_rnd_buffer_size_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_rnd_buffer_size_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
+static gboolean gst_rnd_buffer_size_activate (GstPad * pad);
+static gboolean gst_rnd_buffer_size_activate_pull (GstPad * pad,
+    gboolean active);
+static void gst_rnd_buffer_size_loop (GstRndBufferSize * self);
+static GstStateChangeReturn gst_rnd_buffer_size_change_state (GstElement *
+    element, GstStateChange transition);
+
+
+GST_BOILERPLATE (GstRndBufferSize, gst_rnd_buffer_size, GstElement,
+    GST_TYPE_ELEMENT);
+
+
+static void
+gst_rnd_buffer_size_base_init (gpointer g_class)
+{
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+  const GstElementDetails details = GST_ELEMENT_DETAILS ("Random buffer size",
+      "Testing",
+      "pull random sized buffers",
+      "Nokia Corporation (contact <stefan.kost@nokia.com>)");
+
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&gst_rnd_buffer_size_sink_template));
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&gst_rnd_buffer_size_src_template));
+
+  gst_element_class_set_details (gstelement_class, &details);
+}
+
+
+static void
+gst_rnd_buffer_size_class_init (GstRndBufferSizeClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+
+  gobject_class->set_property =
+      GST_DEBUG_FUNCPTR (gst_rnd_buffer_size_set_property);
+  gobject_class->get_property =
+      GST_DEBUG_FUNCPTR (gst_rnd_buffer_size_get_property);
+
+  gstelement_class->change_state =
+      GST_DEBUG_FUNCPTR (gst_rnd_buffer_size_change_state);
+
+  g_object_class_install_property (gobject_class, ARG_SEED,
+      g_param_spec_ulong ("seed", "random number seed",
+          "seed for randomness (initialized when going from READY to PAUSED)",
+          0, G_MAXULONG, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+  g_object_class_install_property (gobject_class, ARG_MINIMUM,
+      g_param_spec_long ("min", "mininum", "mininum buffer size",
+          0, G_MAXLONG, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+  g_object_class_install_property (gobject_class, ARG_MAXIMUM,
+      g_param_spec_long ("max", "maximum", "maximum buffer size",
+          0, G_MAXLONG, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+}
+
+
+static void
+gst_rnd_buffer_size_init (GstRndBufferSize * self,
+    GstRndBufferSizeClass * g_class)
+{
+  self->sinkpad =
+      gst_pad_new_from_static_template (&gst_rnd_buffer_size_sink_template,
+      "sink");
+  gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
+  gst_pad_set_activate_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_rnd_buffer_size_activate));
+  gst_pad_set_activatepull_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_rnd_buffer_size_activate_pull));
+
+  self->srcpad =
+      gst_pad_new_from_static_template (&gst_rnd_buffer_size_src_template,
+      "src");
+  gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
+
+}
+
+
+static void
+gst_rnd_buffer_size_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstRndBufferSize *self = GST_RND_BUFFER_SIZE (object);
+
+  switch (prop_id) {
+    case ARG_SEED:
+      self->seed = g_value_get_ulong (value);
+      break;
+    case ARG_MINIMUM:
+      self->min = g_value_get_long (value);
+      break;
+    case ARG_MAXIMUM:
+      self->max = g_value_get_long (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+
+static void
+gst_rnd_buffer_size_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstRndBufferSize *self = GST_RND_BUFFER_SIZE (object);
+
+  switch (prop_id) {
+    case ARG_SEED:
+      g_value_set_ulong (value, self->seed);
+      break;
+    case ARG_MINIMUM:
+      g_value_set_long (value, self->min);
+      break;
+    case ARG_MAXIMUM:
+      g_value_set_long (value, self->max);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+
+static gboolean
+gst_rnd_buffer_size_activate (GstPad * pad)
+{
+  if (gst_pad_check_pull_range (pad)) {
+    return gst_pad_activate_pull (pad, TRUE);
+  } else {
+    GST_INFO_OBJECT (GST_RND_BUFFER_SIZE (GST_OBJECT_PARENT (pad)),
+        "push mode not supported");
+    return FALSE;
+  }
+}
+
+
+static gboolean
+gst_rnd_buffer_size_activate_pull (GstPad * pad, gboolean active)
+{
+  GstRndBufferSize *self = GST_RND_BUFFER_SIZE (GST_OBJECT_PARENT (pad));
+
+  if (active) {
+    GST_INFO_OBJECT (self, "starting pull");
+    return gst_pad_start_task (pad, (GstTaskFunction) gst_rnd_buffer_size_loop,
+        self);
+  } else {
+    GST_INFO_OBJECT (self, "stopping pull");
+    return gst_pad_stop_task (pad);
+  }
+}
+
+
+static void
+gst_rnd_buffer_size_loop (GstRndBufferSize * self)
+{
+  GstBuffer *buf = NULL;
+  GstFlowReturn ret;
+  gulong num_bytes = g_rand_int_range (self->rand, self->min, self->max);
+
+  GST_INFO_OBJECT (self, "pull_range from %" G_GUINT64_FORMAT " of %lu bytes",
+      self->offset, num_bytes);
+  ret = gst_pad_pull_range (self->sinkpad, self->offset, num_bytes, &buf);
+  if (ret == GST_FLOW_OK) {
+    if (GST_BUFFER_SIZE (buf) < num_bytes) {
+      self->offset += GST_BUFFER_SIZE (buf);
+      GST_WARNING_OBJECT (self, "short buffer : %lu < %lu",
+          GST_BUFFER_SIZE (buf), num_bytes);
+    } else {
+      self->offset += num_bytes;
+    }
+
+    gst_pad_push (self->srcpad, buf);
+  } else {
+    GST_WARNING_OBJECT (self, "pull_range read failed: %s",
+        gst_flow_get_name (ret));
+    gst_pad_pause_task (self->sinkpad);
+    if (ret == GST_FLOW_UNEXPECTED) {
+      gst_pad_push_event (self->srcpad, gst_event_new_eos ());
+    }
+  }
+}
+
+static GstStateChangeReturn
+gst_rnd_buffer_size_change_state (GstElement * element,
+    GstStateChange transition)
+{
+  GstRndBufferSize *self = GST_RND_BUFFER_SIZE (element);
+  GstStateChangeReturn ret;
+
+  switch (transition) {
+    case GST_STATE_CHANGE_NULL_TO_READY:
+      break;
+    case GST_STATE_CHANGE_READY_TO_PAUSED:
+      self->offset = 0;
+      self->rand = g_rand_new_with_seed (self->seed);
+      break;
+    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+      break;
+    default:
+      break;
+  }
+
+  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+      break;
+    case GST_STATE_CHANGE_PAUSED_TO_READY:
+      g_rand_free (self->rand);
+      self->rand = NULL;
+      break;
+    case GST_STATE_CHANGE_READY_TO_NULL:
+      break;
+    default:
+      break;
+  }
+
+  return ret;
+}
+
+
+gboolean
+gst_rnd_buffer_size_plugin_init (GstPlugin * plugin)
+{
+  if (!gst_element_register (plugin, "rndbuffersize", GST_RANK_NONE,
+          GST_TYPE_RND_BUFFER_SIZE))
+    return FALSE;
+
+  GST_DEBUG_CATEGORY_INIT (gst_rnd_buffer_size_debug, "rndbuffersize", 0,
+      "debugging category for rndbuffersize element");
+
+  return TRUE;
+}

gst/debug/testplugin.c

@@ -312,7 +312,7 @@ gst_test_get_property (GObject * object, guint prop_id, GValue * value,
 }
 
 gboolean
-gst_test_plugin_init (GstPlugin * plugin, GstPluginClass * g_class)
+gst_test_plugin_init (GstPlugin * plugin)
 {
   if (!gst_element_register (plugin, "testsink", GST_RANK_NONE, GST_TYPE_TEST))
     return FALSE;