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/* GStreamer
*
* Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
* Copyright (C) 2007 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 <gst/gst.h>
#include <gio/gio.h>
...
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 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;
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));
}
static void
gst_gio_stream_sink_init (GstGioStreamSink * sink,
GstGioStreamSinkClass * gclass)
{
}
static void
gst_gio_stream_sink_finalize (GObject * object)
{
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 (G_IS_OUTPUT_STREAM (stream))
gst_gio_base_sink_set_stream (GST_GIO_BASE_SINK (sink),
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;
}
}
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