Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2

[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / ext / gio / gstgiostreamsink.c

diff --git a/gst-plugins-base-subtitles0.10/ext/gio/gstgiostreamsink.c b/gst-plugins-base-subtitles0.10/ext/gio/gstgiostreamsink.c
new file mode 100644 (file)
index 0000000..02dac71
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/ext/gio/gstgiostreamsink.c
@@ -0,0 +1,198 @@
+/* GStreamer
+ *
+ * Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
+ * Copyright (C) 2007-2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ * 
+ * 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-giostreamsink
+ *
+ * This plugin writes incoming data to a custom GIO #GOutputStream.
+ *
+ * It can, for example, be used to write a stream to memory with a
+ * #GMemoryOuputStream or to write to a file with a #GFileOuputStream.
+ *
+ * <refsect2>
+ * <title>Example code</title>
+ * <para>
+ * The following example writes the received data to a #GMemoryOutputStream.
+ * |[
+
+#include &lt;gst/gst.h&gt;
+#include &lt;gio/gio.h&gt;
+
+...
+
+GstElement *sink;
+GMemoryOuputStream *stream;
+// out_data will contain the received data
+guint8 *out_data;
+
+...
+
+stream = G_MEMORY_OUTPUT_STREAM (g_memory_output_stream_new (NULL, 0,
+          (GReallocFunc) g_realloc, (GDestroyNotify) g_free));
+sink = gst_element_factory_make ("giostreamsink", "sink");
+g_object_set (G_OBJECT (sink), "stream", stream, NULL);
+
+...
+
+// after processing get the written data
+out_data = g_memory_ouput_stream_get_data (G_MEMORY_OUTPUT_STREAM (stream));
+
+...
+
+ * ]|
+ * </para>
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstgiostreamsink.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_gio_stream_sink_debug);
+#define GST_CAT_DEFAULT gst_gio_stream_sink_debug
+
+/* Filter signals and args */
+enum
+{
+  LAST_SIGNAL
+};
+
+enum
+{
+  PROP_0,
+  PROP_STREAM
+};
+
+GST_BOILERPLATE (GstGioStreamSink, gst_gio_stream_sink, GstGioBaseSink,
+    GST_TYPE_GIO_BASE_SINK);
+
+static void gst_gio_stream_sink_finalize (GObject * object);
+static void gst_gio_stream_sink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_gio_stream_sink_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+static GOutputStream *gst_gio_stream_sink_get_stream (GstGioBaseSink * bsink);
+
+static void
+gst_gio_stream_sink_base_init (gpointer gclass)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+
+  GST_DEBUG_CATEGORY_INIT (gst_gio_stream_sink_debug, "gio_stream_sink", 0,
+      "GIO stream sink");
+
+  gst_element_class_set_details_simple (element_class, "GIO stream sink",
+      "Sink",
+      "Write to any GIO stream",
+      "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+}
+
+static void
+gst_gio_stream_sink_class_init (GstGioStreamSinkClass * klass)
+{
+  GObjectClass *gobject_class = (GObjectClass *) klass;
+  GstGioBaseSinkClass *ggbsink_class = (GstGioBaseSinkClass *) klass;
+
+  gobject_class->finalize = gst_gio_stream_sink_finalize;
+  gobject_class->set_property = gst_gio_stream_sink_set_property;
+  gobject_class->get_property = gst_gio_stream_sink_get_property;
+
+  g_object_class_install_property (gobject_class, PROP_STREAM,
+      g_param_spec_object ("stream", "Stream", "Stream to write to",
+          G_TYPE_OUTPUT_STREAM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  ggbsink_class->get_stream =
+      GST_DEBUG_FUNCPTR (gst_gio_stream_sink_get_stream);
+}
+
+static void
+gst_gio_stream_sink_init (GstGioStreamSink * sink,
+    GstGioStreamSinkClass * gclass)
+{
+}
+
+static void
+gst_gio_stream_sink_finalize (GObject * object)
+{
+  GstGioStreamSink *sink = GST_GIO_STREAM_SINK (object);
+
+  if (sink->stream) {
+    g_object_unref (sink->stream);
+    sink->stream = NULL;
+  }
+
+  GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
+}
+
+static void
+gst_gio_stream_sink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstGioStreamSink *sink = GST_GIO_STREAM_SINK (object);
+
+  switch (prop_id) {
+    case PROP_STREAM:{
+      GObject *stream;
+
+      if (GST_STATE (sink) == GST_STATE_PLAYING ||
+          GST_STATE (sink) == GST_STATE_PAUSED) {
+        GST_WARNING
+            ("Setting a new stream not supported in PLAYING or PAUSED state");
+        break;
+      }
+
+      stream = g_value_dup_object (value);
+      if (sink->stream)
+        g_object_unref (sink->stream);
+      sink->stream = G_OUTPUT_STREAM (stream);
+      break;
+    }
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_gio_stream_sink_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstGioStreamSink *sink = GST_GIO_STREAM_SINK (object);
+
+  switch (prop_id) {
+    case PROP_STREAM:
+      g_value_set_object (value, GST_GIO_BASE_SINK (sink)->stream);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static GOutputStream *
+gst_gio_stream_sink_get_stream (GstGioBaseSink * bsink)
+{
+  GstGioStreamSink *sink = GST_GIO_STREAM_SINK (bsink);
+
+  return (sink->stream) ? g_object_ref (sink->stream) : NULL;
+}