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sys/sunaudio/: New sunaudiosink
Original commit message from CVS: * sys/sunaudio/Makefile.am: * sys/sunaudio/gstsunaudio.c: New sunaudiosink
This commit is contained in:
David Schleef
parent
e2a7e3ad27
commit
9cad8b4f34
3 changed files with 294 additions and 0 deletions
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2004-05-18 David Schleef <ds@schleef.org>
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* sys/sunaudio/Makefile.am:
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* sys/sunaudio/gstsunaudio.c: New sunaudiosink
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2004-05-18 David Schleef <ds@schleef.org>
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2004-05-18 David Schleef <ds@schleef.org>
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* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),
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* gst/qtdemux/qtdemux.c: (gst_qtdemux_change_state),
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8
sys/sunaudio/Makefile.am
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8
sys/sunaudio/Makefile.am
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plugin_LTLIBRARIES = libgstsunaudio.la
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libgstsunaudio_la_SOURCES = gstsunaudio.c
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libgstsunaudio_la_CFLAGS = $(GST_CFLAGS)
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libgstsunaudio_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-@GST_MAJORMINOR@.la
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libgstsunaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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281
sys/sunaudio/gstsunaudio.c
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281
sys/sunaudio/gstsunaudio.c
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/*
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* GStreamer
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* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2004 David A. Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#define GST_TYPE_SUNAUDIOSINK \
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(gst_gst_sunaudiosink_get_type())
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#define GST_SUNAUDIOSINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
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#define GST_SUNAUDIOSINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SUNAUDIOSINK,GstSunAudioSink))
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#define GST_IS_SUNAUDIOSINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SUNAUDIOSINK))
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#define GST_IS_SUNAUDIOSINK_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SUNAUDIOSINK))
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typedef struct _GstSunAudioSink GstSunAudioSink;
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typedef struct _GstSunAudioSinkClass GstSunAudioSinkClass;
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struct _GstSunAudioSink
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{
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GstElement element;
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GstPad *sinkpad;
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};
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struct _GstSunAudioSinkClass
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{
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GstElementClass parent_class;
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};
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GType gst_gst_sunaudiosink_get_type (void);
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static GstElementDetails plugin_details = {
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"SunAudioSink",
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"Audio/Sink",
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"This element acts like identity, except that one can control how "
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"sunaudiosink works",
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"David A. Schleef <ds@schleef.org>",
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};
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0
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};
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static GstStaticPadTemplate gst_sunaudiosink_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static void gst_sunaudiosink_base_init (gpointer g_class);
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static void gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass);
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static void gst_sunaudiosink_init (GstSunAudioSink * filter);
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//static GstCaps *gst_sunaudiosink_getcaps (GstPad * pad);
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static GstPadLinkReturn gst_sunaudiosink_pad_link (GstPad * pad,
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const GstCaps * caps);
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static void gst_sunaudiosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_sunaudiosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_sunaudiosink_chain (GstPad * pad, GstData * _data);
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static GstElementClass *parent_class = NULL;
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typedef struct _GstFencedBuffer GstFencedBuffer;
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struct _GstFencedBuffer
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{
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GstBuffer buffer;
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void *region;
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unsigned int length;
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};
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GType
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gst_gst_sunaudiosink_get_type (void)
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{
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static GType plugin_type = 0;
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if (!plugin_type) {
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static const GTypeInfo plugin_info = {
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sizeof (GstSunAudioSinkClass),
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gst_sunaudiosink_base_init,
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NULL,
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(GClassInitFunc) gst_sunaudiosink_class_init,
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NULL,
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NULL,
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sizeof (GstSunAudioSink),
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0,
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(GInstanceInitFunc) gst_sunaudiosink_init,
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};
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plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstSunAudioSink", &plugin_info, 0);
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}
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return plugin_type;
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}
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static void
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gst_sunaudiosink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_sunaudiosink_sink_factory));
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gst_element_class_set_details (element_class, &plugin_details);
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}
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static void
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gst_sunaudiosink_class_init (GstSunAudioSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->set_property = gst_sunaudiosink_set_property;
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gobject_class->get_property = gst_sunaudiosink_get_property;
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}
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static void
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gst_sunaudiosink_init (GstSunAudioSink * filter)
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{
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filter->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_sunaudiosink_sink_factory), "sink");
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//gst_pad_set_getcaps_function (filter->sinkpad, gst_sunaudiosink_getcaps);
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gst_pad_set_link_function (filter->sinkpad, gst_sunaudiosink_pad_link);
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gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
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gst_pad_set_chain_function (filter->sinkpad, gst_sunaudiosink_chain);
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}
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#if 0
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static GstCaps *
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gst_sunaudiosink_getcaps (GstPad * pad)
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{
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GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
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GstPad *otherpad;
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GstCaps *caps;
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caps = gst_pad_get_allowed_caps (otherpad);
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GST_ERROR ("getcaps called on %" GST_PTR_FORMAT ", returning %"
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GST_PTR_FORMAT, pad, caps);
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return caps;
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}
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#endif
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static GstPadLinkReturn
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gst_sunaudiosink_pad_link (GstPad * pad, const GstCaps * caps)
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{
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//GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
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//GstPad *otherpad;
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GstPadLinkReturn ret;
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ret = GST_PAD_LINK_REFUSED;
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GST_ERROR ("pad_link called on %" GST_PTR_FORMAT " with caps %"
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GST_PTR_FORMAT ", returning %d", pad, caps, ret);
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return ret;
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}
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static void
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gst_sunaudiosink_chain (GstPad * pad, GstData * _data)
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{
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//GstSunAudioSink *sunaudiosink = GST_SUNAUDIOSINK (gst_pad_get_parent (pad));
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}
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#if 0
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static gboolean
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gst_sunaudiosink_open (GstSunAudioSink * sunaudiosink)
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{
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const char *file;
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file = "/dev/audio";
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return FALSE;
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}
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#endif
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static void
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gst_sunaudiosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstSunAudioSink *filter;
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g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
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filter = GST_SUNAUDIOSINK (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_sunaudiosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstSunAudioSink *filter;
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g_return_if_fail (GST_IS_SUNAUDIOSINK (object));
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filter = GST_SUNAUDIOSINK (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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gboolean
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gst_sunaudiosink_plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "sunaudiosink", GST_RANK_NONE,
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GST_TYPE_SUNAUDIOSINK))
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return FALSE;
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return TRUE;
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "sunaudiosink", GST_RANK_NONE,
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GST_TYPE_SUNAUDIOSINK))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"sunaudio",
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"elements for SunAudio",
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plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
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