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sys/sunaudio/: New sunaudiosink

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Original commit message from CVS:
* sys/sunaudio/Makefile.am:
* sys/sunaudio/gstsunaudio.c: New sunaudiosink
This commit is contained in:
David Schleef 2004-05-19 06:28:07 +00:00
parent e2a7e3ad27
commit 9cad8b4f34
3 changed files with 294 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-05-18 David Schleef <ds@schleef.org>
* sys/sunaudio/Makefile.am:
* sys/sunaudio/gstsunaudio.c: New sunaudiosink
2004-05-18 David Schleef <ds@schleef.org>
* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),

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sys/sunaudio/Makefile.am Normal file
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plugin_LTLIBRARIES = libgstsunaudio.la
libgstsunaudio_la_SOURCES = gstsunaudio.c
libgstsunaudio_la_CFLAGS = $(GST_CFLAGS)
libgstsunaudio_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-@GST_MAJORMINOR@.la
libgstsunaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

281
sys/sunaudio/gstsunaudio.c Normal file
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/*
* GStreamer
* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2004 David A. Schleef <ds@schleef.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#define GST_TYPE_SUNAUDIOSINK \
(gst_gst_sunaudiosink_get_type())
#define GST_SUNAUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
#define GST_SUNAUDIOSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
#define GST_IS_SUNAUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SUNAUDIOSINK))
#define GST_IS_SUNAUDIOSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SUNAUDIOSINK))
typedef struct _GstSunAudioSink GstSunAudioSink;
typedef struct _GstSunAudioSinkClass GstSunAudioSinkClass;
struct _GstSunAudioSink
{
GstElement element;
GstPad *sinkpad;
};
struct _GstSunAudioSinkClass
{
GstElementClass parent_class;
};
GType gst_gst_sunaudiosink_get_type (void);
static GstElementDetails plugin_details = {
"SunAudioSink",
"Audio/Sink",
"This element acts like identity, except that one can control how "
"sunaudiosink works",
"David A. Schleef <ds@schleef.org>",
};
/* Filter signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0
};
static GstStaticPadTemplate gst_sunaudiosink_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static void gst_sunaudiosink_base_init (gpointer g_class);
static void gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass);
static void gst_sunaudiosink_init (GstSunAudioSink * filter);
//static GstCaps *gst_sunaudiosink_getcaps (GstPad * pad);
static GstPadLinkReturn gst_sunaudiosink_pad_link (GstPad * pad,
const GstCaps * caps);
static void gst_sunaudiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_sunaudiosink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_sunaudiosink_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_sunaudiosink_get_type (void)
{
static GType plugin_type = 0;
if (!plugin_type) {
static const GTypeInfo plugin_info = {
sizeof (GstSunAudioSinkClass),
gst_sunaudiosink_base_init,
NULL,
(GClassInitFunc) gst_sunaudiosink_class_init,
NULL,
NULL,
sizeof (GstSunAudioSink),
0,
(GInstanceInitFunc) gst_sunaudiosink_init,
};
plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstSunAudioSink", &plugin_info, 0);
}
return plugin_type;
}
static void
gst_sunaudiosink_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_sunaudiosink_sink_factory));
gst_element_class_set_details (element_class, &plugin_details);
}
static void
gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_sunaudiosink_set_property;
gobject_class->get_property = gst_sunaudiosink_get_property;
}
static void
gst_sunaudiosink_init (GstSunAudioSink * filter)
{
filter->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&gst_sunaudiosink_sink_factory), "sink");
//gst_pad_set_getcaps_function (filter->sinkpad, gst_sunaudiosink_getcaps);
gst_pad_set_link_function (filter->sinkpad, gst_sunaudiosink_pad_link);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_pad_set_chain_function (filter->sinkpad, gst_sunaudiosink_chain);
}
#if 0
static GstCaps *
gst_sunaudiosink_getcaps (GstPad * pad)
{
GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
GstPad *otherpad;
GstCaps *caps;
caps = gst_pad_get_allowed_caps (otherpad);
GST_ERROR ("getcaps called on %" GST_PTR_FORMAT ", returning %"
GST_PTR_FORMAT, pad, caps);
return caps;
}
#endif
static GstPadLinkReturn
gst_sunaudiosink_pad_link (GstPad * pad, const GstCaps * caps)
{
//GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
//GstPad *otherpad;
GstPadLinkReturn ret;
ret = GST_PAD_LINK_REFUSED;
GST_ERROR ("pad_link called on %" GST_PTR_FORMAT " with caps %"
GST_PTR_FORMAT ", returning %d", pad, caps, ret);
return ret;
}
static void
gst_sunaudiosink_chain (GstPad * pad, GstData * _data)
{
//GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
}
#if 0
static gboolean
gst_sunaudiosink_open (GstSunAudioSink * sunaudiosink)
{
const char *file;
file = "/dev/audio";
return FALSE;
}
#endif
static void
gst_sunaudiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSunAudioSink *filter;
g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
filter = GST_SUNAUDIOSINK (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_sunaudiosink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSunAudioSink *filter;
g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
filter = GST_SUNAUDIOSINK (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
gboolean
gst_sunaudiosink_plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "sunaudiosink", GST_RANK_NONE,
GST_TYPE_SUNAUDIOSINK))
return FALSE;
return TRUE;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "sunaudiosink", GST_RANK_NONE,
GST_TYPE_SUNAUDIOSINK))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"sunaudio",
"elements for SunAudio",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)