1 files changed, 325 insertions, 0 deletions
diff --git a/gst/inter/gstintersubsink.c b/gst/inter/gstintersubsink.c
new file mode 100644
index 000000000..1328b18a5
--- /dev/null
+++ b/gst/inter/gstintersubsink.c
@@ -0,0 +1,325 @@
+/* GStreamer
+ * Copyright (C) 2011 David Schleef <ds@entropywave.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., 51 Franklin Street, Suite 500,
+ * Boston, MA 02110-1335, USA.
+ */
+/**
+ * SECTION:element-gstintersubsink
+ *
+ * The intersubsink element does FIXME stuff.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch -v fakesrc ! intersubsink ! FIXME ! fakesink
+ * ]|
+ * FIXME Describe what the pipeline does.
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+#include "gstintersubsink.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_inter_sub_sink_debug_category);
+#define GST_CAT_DEFAULT gst_inter_sub_sink_debug_category
+
+/* prototypes */
+
+
+static void gst_inter_sub_sink_set_property (GObject * object,
+    guint property_id, const GValue * value, GParamSpec * pspec);
+static void gst_inter_sub_sink_get_property (GObject * object,
+    guint property_id, GValue * value, GParamSpec * pspec);
+static void gst_inter_sub_sink_dispose (GObject * object);
+static void gst_inter_sub_sink_finalize (GObject * object);
+
+static GstCaps *gst_inter_sub_sink_get_caps (GstBaseSink * sink);
+static gboolean gst_inter_sub_sink_set_caps (GstBaseSink * sink,
+    GstCaps * caps);
+static GstFlowReturn gst_inter_sub_sink_buffer_alloc (GstBaseSink * sink,
+    guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
+static void gst_inter_sub_sink_get_times (GstBaseSink * sink,
+    GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
+static gboolean gst_inter_sub_sink_start (GstBaseSink * sink);
+static gboolean gst_inter_sub_sink_stop (GstBaseSink * sink);
+static gboolean gst_inter_sub_sink_unlock (GstBaseSink * sink);
+static gboolean gst_inter_sub_sink_event (GstBaseSink * sink, GstEvent * event);
+static GstFlowReturn
+gst_inter_sub_sink_preroll (GstBaseSink * sink, GstBuffer * buffer);
+static GstFlowReturn
+gst_inter_sub_sink_render (GstBaseSink * sink, GstBuffer * buffer);
+static GstStateChangeReturn gst_inter_sub_sink_async_play (GstBaseSink * sink);
+static gboolean gst_inter_sub_sink_activate_pull (GstBaseSink * sink,
+    gboolean active);
+static gboolean gst_inter_sub_sink_unlock_stop (GstBaseSink * sink);
+
+enum
+{
+  PROP_0
+};
+
+/* pad templates */
+
+static GstStaticPadTemplate gst_inter_sub_sink_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("text/plain")
+    );
+
+
+/* class initialization */
+
+#define DEBUG_INIT(bla) \
+  GST_DEBUG_CATEGORY_INIT (gst_inter_sub_sink_debug_category, "intersubsink", 0, \
+      "debug category for intersubsink element");
+
+GST_BOILERPLATE_FULL (GstInterSubSink, gst_inter_sub_sink, GstBaseSink,
+    GST_TYPE_BASE_SINK, DEBUG_INIT);
+
+static void
+gst_inter_sub_sink_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_inter_sub_sink_sink_template));
+
+  gst_element_class_set_details_simple (element_class, "FIXME Long name",
+      "Generic", "FIXME Description", "FIXME <fixme@example.com>");
+}
+
+static void
+gst_inter_sub_sink_class_init (GstInterSubSinkClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GstBaseSinkClass *base_sink_class = GST_BASE_SINK_CLASS (klass);
+
+  gobject_class->set_property = gst_inter_sub_sink_set_property;
+  gobject_class->get_property = gst_inter_sub_sink_get_property;
+  gobject_class->dispose = gst_inter_sub_sink_dispose;
+  gobject_class->finalize = gst_inter_sub_sink_finalize;
+  base_sink_class->get_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_get_caps);
+  base_sink_class->set_caps = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_set_caps);
+  if (0)
+    base_sink_class->buffer_alloc =
+        GST_DEBUG_FUNCPTR (gst_inter_sub_sink_buffer_alloc);
+  base_sink_class->get_times = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_get_times);
+  base_sink_class->start = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_start);
+  base_sink_class->stop = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_stop);
+  base_sink_class->unlock = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_unlock);
+  if (0)
+    base_sink_class->event = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_event);
+  base_sink_class->preroll = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_preroll);
+  base_sink_class->render = GST_DEBUG_FUNCPTR (gst_inter_sub_sink_render);
+  if (0)
+    base_sink_class->async_play =
+        GST_DEBUG_FUNCPTR (gst_inter_sub_sink_async_play);
+  if (0)
+    base_sink_class->activate_pull =
+        GST_DEBUG_FUNCPTR (gst_inter_sub_sink_activate_pull);
+  base_sink_class->unlock_stop =
+      GST_DEBUG_FUNCPTR (gst_inter_sub_sink_unlock_stop);
+
+}
+
+static void
+gst_inter_sub_sink_init (GstInterSubSink * intersubsink,
+    GstInterSubSinkClass * intersubsink_class)
+{
+
+  intersubsink->surface = gst_inter_surface_get ("default");
+
+  intersubsink->fps_n = 1;
+  intersubsink->fps_d = 1;
+}
+
+void
+gst_inter_sub_sink_set_property (GObject * object, guint property_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  /* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
+
+  switch (property_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+  }
+}
+
+void
+gst_inter_sub_sink_get_property (GObject * object, guint property_id,
+    GValue * value, GParamSpec * pspec)
+{
+  /* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
+
+  switch (property_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+  }
+}
+
+void
+gst_inter_sub_sink_dispose (GObject * object)
+{
+  /* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
+
+  /* clean up as possible.  may be called multiple times */
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+void
+gst_inter_sub_sink_finalize (GObject * object)
+{
+  /* GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (object); */
+
+  /* clean up object here */
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+
+static GstCaps *
+gst_inter_sub_sink_get_caps (GstBaseSink * sink)
+{
+
+  return NULL;
+}
+
+static gboolean
+gst_inter_sub_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
+{
+
+  return FALSE;
+}
+
+static GstFlowReturn
+gst_inter_sub_sink_buffer_alloc (GstBaseSink * sink, guint64 offset, guint size,
+    GstCaps * caps, GstBuffer ** buf)
+{
+
+  return GST_FLOW_ERROR;
+}
+
+static void
+gst_inter_sub_sink_get_times (GstBaseSink * sink, GstBuffer * buffer,
+    GstClockTime * start, GstClockTime * end)
+{
+  GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
+
+  if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
+    *start = GST_BUFFER_TIMESTAMP (buffer);
+    if (GST_BUFFER_DURATION_IS_VALID (buffer)) {
+      *end = *start + GST_BUFFER_DURATION (buffer);
+    } else {
+      if (intersubsink->fps_n > 0) {
+        *end = *start +
+            gst_util_uint64_scale_int (GST_SECOND, intersubsink->fps_d,
+            intersubsink->fps_n);
+      }
+    }
+  }
+
+
+}
+
+static gboolean
+gst_inter_sub_sink_start (GstBaseSink * sink)
+{
+
+  return TRUE;
+}
+
+static gboolean
+gst_inter_sub_sink_stop (GstBaseSink * sink)
+{
+  GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
+
+  g_mutex_lock (intersubsink->surface->mutex);
+  if (intersubsink->surface->sub_buffer) {
+    gst_buffer_unref (intersubsink->surface->sub_buffer);
+  }
+  intersubsink->surface->sub_buffer = NULL;
+  g_mutex_unlock (intersubsink->surface->mutex);
+
+  return TRUE;
+}
+
+static gboolean
+gst_inter_sub_sink_unlock (GstBaseSink * sink)
+{
+
+  return TRUE;
+}
+
+static gboolean
+gst_inter_sub_sink_event (GstBaseSink * sink, GstEvent * event)
+{
+
+  return TRUE;
+}
+
+static GstFlowReturn
+gst_inter_sub_sink_preroll (GstBaseSink * sink, GstBuffer * buffer)
+{
+
+  return GST_FLOW_OK;
+}
+
+static GstFlowReturn
+gst_inter_sub_sink_render (GstBaseSink * sink, GstBuffer * buffer)
+{
+  GstInterSubSink *intersubsink = GST_INTER_SUB_SINK (sink);
+
+  g_mutex_lock (intersubsink->surface->mutex);
+  if (intersubsink->surface->sub_buffer) {
+    gst_buffer_unref (intersubsink->surface->sub_buffer);
+  }
+  intersubsink->surface->sub_buffer = gst_buffer_ref (buffer);
+  //intersubsink->surface->sub_buffer_count = 0;
+  g_mutex_unlock (intersubsink->surface->mutex);
+
+  return GST_FLOW_OK;
+}
+
+static GstStateChangeReturn
+gst_inter_sub_sink_async_play (GstBaseSink * sink)
+{
+
+  return GST_STATE_CHANGE_SUCCESS;
+}
+
+static gboolean
+gst_inter_sub_sink_activate_pull (GstBaseSink * sink, gboolean active)
+{
+
+  return TRUE;
+}
+
+static gboolean
+gst_inter_sub_sink_unlock_stop (GstBaseSink * sink)
+{
+
+  return TRUE;
+}