gstreamer/ext/gio/gstgiostreamsrc.c

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ext/gio/gstgio.h: Add macro to check if a stream supports seeking. Original commit message from CVS: * ext/gio/gstgio.h: Add macro to check if a stream supports seeking. * ext/gio/Makefile.am: * ext/gio/gstgiobasesink.c: (gst_gio_base_sink_base_init), (gst_gio_base_sink_class_init), (gst_gio_base_sink_init), (gst_gio_base_sink_finalize), (gst_gio_base_sink_start), (gst_gio_base_sink_stop), (gst_gio_base_sink_unlock), (gst_gio_base_sink_unlock_stop), (gst_gio_base_sink_event), (gst_gio_base_sink_render), (gst_gio_base_sink_query), (gst_gio_base_sink_set_stream): * ext/gio/gstgiobasesink.h: * ext/gio/gstgiobasesrc.c: (gst_gio_base_src_base_init), (gst_gio_base_src_class_init), (gst_gio_base_src_init), (gst_gio_base_src_finalize), (gst_gio_base_src_start), (gst_gio_base_src_stop), (gst_gio_base_src_get_size), (gst_gio_base_src_is_seekable), (gst_gio_base_src_unlock), (gst_gio_base_src_unlock_stop), (gst_gio_base_src_check_get_range), (gst_gio_base_src_create), (gst_gio_base_src_set_stream): * ext/gio/gstgiobasesrc.h: Refactor common GIO functions to GstGioBaseSink and GstGioBaseSrc base classes that only require a GInputStream or GOutputStream to work. * ext/gio/gstgiosink.c: (gst_gio_sink_base_init), (gst_gio_sink_class_init), (gst_gio_sink_init), (gst_gio_sink_finalize), (gst_gio_sink_start): * ext/gio/gstgiosink.h: * ext/gio/gstgiosrc.c: (gst_gio_src_base_init), (gst_gio_src_class_init), (gst_gio_src_init), (gst_gio_src_finalize), (gst_gio_src_start): * ext/gio/gstgiosrc.h: Use the newly created base classes here. * ext/gio/gstgio.c: (plugin_init): * ext/gio/gstgiostreamsink.c: (gst_gio_stream_sink_base_init), (gst_gio_stream_sink_class_init), (gst_gio_stream_sink_init), (gst_gio_stream_sink_finalize), (gst_gio_stream_sink_set_property), (gst_gio_stream_sink_get_property): * ext/gio/gstgiostreamsink.h: * ext/gio/gstgiostreamsrc.c: (gst_gio_stream_src_base_init), (gst_gio_stream_src_class_init), (gst_gio_stream_src_init), (gst_gio_stream_src_finalize), (gst_gio_stream_src_set_property), (gst_gio_stream_src_get_property): * ext/gio/gstgiostreamsrc.h: Implement GstGioStreamSink and GstGioStreamSrc that have a property to set the GInputStream/GOutputStream that should be used. * tests/check/Makefile.am: * tests/check/pipelines/.cvsignore: * tests/check/pipelines/gio.c: (message_handler), (GST_START_TEST), (gio_testsuite), (main): Add unit test for giostreamsrc and giostreamsink.
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/* GStreamer
*
* Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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-giostreamsrc
* @short_description: Reads data from a GIO GInputStream
ext/gio/gstgio.h: Add macro to check if a stream supports seeking. Original commit message from CVS: * ext/gio/gstgio.h: Add macro to check if a stream supports seeking. * ext/gio/Makefile.am: * ext/gio/gstgiobasesink.c: (gst_gio_base_sink_base_init), (gst_gio_base_sink_class_init), (gst_gio_base_sink_init), (gst_gio_base_sink_finalize), (gst_gio_base_sink_start), (gst_gio_base_sink_stop), (gst_gio_base_sink_unlock), (gst_gio_base_sink_unlock_stop), (gst_gio_base_sink_event), (gst_gio_base_sink_render), (gst_gio_base_sink_query), (gst_gio_base_sink_set_stream): * ext/gio/gstgiobasesink.h: * ext/gio/gstgiobasesrc.c: (gst_gio_base_src_base_init), (gst_gio_base_src_class_init), (gst_gio_base_src_init), (gst_gio_base_src_finalize), (gst_gio_base_src_start), (gst_gio_base_src_stop), (gst_gio_base_src_get_size), (gst_gio_base_src_is_seekable), (gst_gio_base_src_unlock), (gst_gio_base_src_unlock_stop), (gst_gio_base_src_check_get_range), (gst_gio_base_src_create), (gst_gio_base_src_set_stream): * ext/gio/gstgiobasesrc.h: Refactor common GIO functions to GstGioBaseSink and GstGioBaseSrc base classes that only require a GInputStream or GOutputStream to work. * ext/gio/gstgiosink.c: (gst_gio_sink_base_init), (gst_gio_sink_class_init), (gst_gio_sink_init), (gst_gio_sink_finalize), (gst_gio_sink_start): * ext/gio/gstgiosink.h: * ext/gio/gstgiosrc.c: (gst_gio_src_base_init), (gst_gio_src_class_init), (gst_gio_src_init), (gst_gio_src_finalize), (gst_gio_src_start): * ext/gio/gstgiosrc.h: Use the newly created base classes here. * ext/gio/gstgio.c: (plugin_init): * ext/gio/gstgiostreamsink.c: (gst_gio_stream_sink_base_init), (gst_gio_stream_sink_class_init), (gst_gio_stream_sink_init), (gst_gio_stream_sink_finalize), (gst_gio_stream_sink_set_property), (gst_gio_stream_sink_get_property): * ext/gio/gstgiostreamsink.h: * ext/gio/gstgiostreamsrc.c: (gst_gio_stream_src_base_init), (gst_gio_stream_src_class_init), (gst_gio_stream_src_init), (gst_gio_stream_src_finalize), (gst_gio_stream_src_set_property), (gst_gio_stream_src_get_property): * ext/gio/gstgiostreamsrc.h: Implement GstGioStreamSink and GstGioStreamSrc that have a property to set the GInputStream/GOutputStream that should be used. * tests/check/Makefile.am: * tests/check/pipelines/.cvsignore: * tests/check/pipelines/gio.c: (message_handler), (GST_START_TEST), (gio_testsuite), (main): Add unit test for giostreamsrc and giostreamsink.
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*
* <refsect2>
* <para>
* This plugin reads data from a custom GIO #GInputStream.
* </para>
* <para>
* It can, for example, be used to read data from memory with a
* #GMemoryInputStream or to read from a file with a
* #GFileInputStream.
* </para>
* <title>Example code</title>
* <para>
* The following example reads data from a #GMemoryOutputStream.
ext/gio/gstgio.h: Add macro to check if a stream supports seeking. Original commit message from CVS: * ext/gio/gstgio.h: Add macro to check if a stream supports seeking. * ext/gio/Makefile.am: * ext/gio/gstgiobasesink.c: (gst_gio_base_sink_base_init), (gst_gio_base_sink_class_init), (gst_gio_base_sink_init), (gst_gio_base_sink_finalize), (gst_gio_base_sink_start), (gst_gio_base_sink_stop), (gst_gio_base_sink_unlock), (gst_gio_base_sink_unlock_stop), (gst_gio_base_sink_event), (gst_gio_base_sink_render), (gst_gio_base_sink_query), (gst_gio_base_sink_set_stream): * ext/gio/gstgiobasesink.h: * ext/gio/gstgiobasesrc.c: (gst_gio_base_src_base_init), (gst_gio_base_src_class_init), (gst_gio_base_src_init), (gst_gio_base_src_finalize), (gst_gio_base_src_start), (gst_gio_base_src_stop), (gst_gio_base_src_get_size), (gst_gio_base_src_is_seekable), (gst_gio_base_src_unlock), (gst_gio_base_src_unlock_stop), (gst_gio_base_src_check_get_range), (gst_gio_base_src_create), (gst_gio_base_src_set_stream): * ext/gio/gstgiobasesrc.h: Refactor common GIO functions to GstGioBaseSink and GstGioBaseSrc base classes that only require a GInputStream or GOutputStream to work. * ext/gio/gstgiosink.c: (gst_gio_sink_base_init), (gst_gio_sink_class_init), (gst_gio_sink_init), (gst_gio_sink_finalize), (gst_gio_sink_start): * ext/gio/gstgiosink.h: * ext/gio/gstgiosrc.c: (gst_gio_src_base_init), (gst_gio_src_class_init), (gst_gio_src_init), (gst_gio_src_finalize), (gst_gio_src_start): * ext/gio/gstgiosrc.h: Use the newly created base classes here. * ext/gio/gstgio.c: (plugin_init): * ext/gio/gstgiostreamsink.c: (gst_gio_stream_sink_base_init), (gst_gio_stream_sink_class_init), (gst_gio_stream_sink_init), (gst_gio_stream_sink_finalize), (gst_gio_stream_sink_set_property), (gst_gio_stream_sink_get_property): * ext/gio/gstgiostreamsink.h: * ext/gio/gstgiostreamsrc.c: (gst_gio_stream_src_base_init), (gst_gio_stream_src_class_init), (gst_gio_stream_src_init), (gst_gio_stream_src_finalize), (gst_gio_stream_src_set_property), (gst_gio_stream_src_get_property): * ext/gio/gstgiostreamsrc.h: Implement GstGioStreamSink and GstGioStreamSrc that have a property to set the GInputStream/GOutputStream that should be used. * tests/check/Makefile.am: * tests/check/pipelines/.cvsignore: * tests/check/pipelines/gio.c: (message_handler), (GST_START_TEST), (gio_testsuite), (main): Add unit test for giostreamsrc and giostreamsink.
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* <programlisting>
#include &lt;gst/gst.h&gt;
#include &lt;gio/gio.h&gt;
...
GstElement *src;
GMemoryInputStream *stream;
// in_data will contain the data to send
guint8 *in_data;
gint i;
...
in_data = g_new (guint8, 512);
for (i = 0; i < 512; i++)
in_data[i] = i % 256;
stream = G_MEMORY_INPUT_STREAM (g_memory_input_stream_new_from_data (in_data, 512,
(GDestroyNotify) g_free));
src = gst_element_factory_make ("giostreamsrc", "src");
g_object_set (G_OBJECT (src), "stream", stream, NULL);
...
ext/gio/gstgio.h: Add macro to check if a stream supports seeking. Original commit message from CVS: * ext/gio/gstgio.h: Add macro to check if a stream supports seeking. * ext/gio/Makefile.am: * ext/gio/gstgiobasesink.c: (gst_gio_base_sink_base_init), (gst_gio_base_sink_class_init), (gst_gio_base_sink_init), (gst_gio_base_sink_finalize), (gst_gio_base_sink_start), (gst_gio_base_sink_stop), (gst_gio_base_sink_unlock), (gst_gio_base_sink_unlock_stop), (gst_gio_base_sink_event), (gst_gio_base_sink_render), (gst_gio_base_sink_query), (gst_gio_base_sink_set_stream): * ext/gio/gstgiobasesink.h: * ext/gio/gstgiobasesrc.c: (gst_gio_base_src_base_init), (gst_gio_base_src_class_init), (gst_gio_base_src_init), (gst_gio_base_src_finalize), (gst_gio_base_src_start), (gst_gio_base_src_stop), (gst_gio_base_src_get_size), (gst_gio_base_src_is_seekable), (gst_gio_base_src_unlock), (gst_gio_base_src_unlock_stop), (gst_gio_base_src_check_get_range), (gst_gio_base_src_create), (gst_gio_base_src_set_stream): * ext/gio/gstgiobasesrc.h: Refactor common GIO functions to GstGioBaseSink and GstGioBaseSrc base classes that only require a GInputStream or GOutputStream to work. * ext/gio/gstgiosink.c: (gst_gio_sink_base_init), (gst_gio_sink_class_init), (gst_gio_sink_init), (gst_gio_sink_finalize), (gst_gio_sink_start): * ext/gio/gstgiosink.h: * ext/gio/gstgiosrc.c: (gst_gio_src_base_init), (gst_gio_src_class_init), (gst_gio_src_init), (gst_gio_src_finalize), (gst_gio_src_start): * ext/gio/gstgiosrc.h: Use the newly created base classes here. * ext/gio/gstgio.c: (plugin_init): * ext/gio/gstgiostreamsink.c: (gst_gio_stream_sink_base_init), (gst_gio_stream_sink_class_init), (gst_gio_stream_sink_init), (gst_gio_stream_sink_finalize), (gst_gio_stream_sink_set_property), (gst_gio_stream_sink_get_property): * ext/gio/gstgiostreamsink.h: * ext/gio/gstgiostreamsrc.c: (gst_gio_stream_src_base_init), (gst_gio_stream_src_class_init), (gst_gio_stream_src_init), (gst_gio_stream_src_finalize), (gst_gio_stream_src_set_property), (gst_gio_stream_src_get_property): * ext/gio/gstgiostreamsrc.h: Implement GstGioStreamSink and GstGioStreamSrc that have a property to set the GInputStream/GOutputStream that should be used. * tests/check/Makefile.am: * tests/check/pipelines/.cvsignore: * tests/check/pipelines/gio.c: (message_handler), (GST_START_TEST), (gio_testsuite), (main): Add unit test for giostreamsrc and giostreamsink.
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* </programlisting>
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "gstgiostreamsrc.h"
GST_DEBUG_CATEGORY_STATIC (gst_gio_stream_src_debug);
#define GST_CAT_DEFAULT gst_gio_stream_src_debug
enum
{
ARG_0,
ARG_STREAM
};
GST_BOILERPLATE (GstGioStreamSrc, gst_gio_stream_src, GstGioBaseSrc,
GST_TYPE_GIO_BASE_SRC);
static void gst_gio_stream_src_finalize (GObject * object);
static void gst_gio_stream_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gio_stream_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_gio_stream_src_base_init (gpointer gclass)
{
static GstElementDetails element_details = {
"GIO stream source",
"Source",
"Read from any GIO stream",
"Sebastian Dröge <slomo@circular-chaos.org>"
};
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
GST_DEBUG_CATEGORY_INIT (gst_gio_stream_src_debug, "gio_stream_src", 0,
"GIO source");
gst_element_class_set_details (element_class, &element_details);
}
static void
gst_gio_stream_src_class_init (GstGioStreamSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gobject_class->finalize = gst_gio_stream_src_finalize;
gobject_class->set_property = gst_gio_stream_src_set_property;
gobject_class->get_property = gst_gio_stream_src_get_property;
g_object_class_install_property (gobject_class, ARG_STREAM,
g_param_spec_object ("stream", "Stream", "Stream to read from",
G_TYPE_INPUT_STREAM, G_PARAM_READWRITE));
}
static void
gst_gio_stream_src_init (GstGioStreamSrc * src, GstGioStreamSrcClass * gclass)
{
}
static void
gst_gio_stream_src_finalize (GObject * object)
{
GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
}
static void
gst_gio_stream_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGioStreamSrc *src = GST_GIO_STREAM_SRC (object);
switch (prop_id) {
case ARG_STREAM:{
GObject *stream;
if (GST_STATE (src) == GST_STATE_PLAYING ||
GST_STATE (src) == GST_STATE_PAUSED)
break;
stream = g_value_dup_object (value);
if (G_IS_INPUT_STREAM (stream))
gst_gio_base_src_set_stream (GST_GIO_BASE_SRC (src),
G_INPUT_STREAM (stream));
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gio_stream_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGioStreamSrc *src = GST_GIO_STREAM_SRC (object);
switch (prop_id) {
case ARG_STREAM:
g_value_set_object (value, GST_GIO_BASE_SRC (src)->stream);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}