From 0444ce835bc9ab76cfe8ac7b3aceaa4c4c67f13b Mon Sep 17 00:00:00 2001 From: Paul Brossier Date: Mon, 4 Feb 2008 15:09:34 +0100 Subject: [PATCH] added gstaubiotempo template, generated using ../tools/make_element AubioTempo, removed old location --- src/gstaubiotempo.c | 267 ++++++++++++++++++++++++++++++++++++++++++++++++++++ src/gstaubiotempo.h | 85 +++++++++++++++++ 2 files changed, 352 insertions(+) create mode 100644 src/gstaubiotempo.c create mode 100644 src/gstaubiotempo.h diff --git a/src/gstaubiotempo.c b/src/gstaubiotempo.c new file mode 100644 index 0000000..a35d9fe --- /dev/null +++ b/src/gstaubiotempo.c @@ -0,0 +1,267 @@ +/* + * GStreamer + * Copyright 2005 Thomas Vander Stichele + * Copyright 2005 Ronald S. Bultje + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Alternatively, the contents of this file may be used under the + * GNU Lesser General Public License Version 2.1 (the "LGPL"), in + * which case the following provisions apply instead of the ones + * mentioned above: + * + * 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-plugin + * + * + * Example launch line + * + * + * gst-launch -v -m audiotestsrc ! plugin ! fakesink silent=TRUE + * + * + * + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "gstaubiotempo.h" + +GST_DEBUG_CATEGORY_STATIC (gst_aubiotempo_debug); +#define GST_CAT_DEFAULT gst_aubiotempo_debug + +/* Filter signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +enum +{ + ARG_0, + ARG_SILENT +}; + +static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("ANY") + ); + +static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("ANY") + ); + +GST_BOILERPLATE (GstAubioTempo, gst_aubiotempo, GstElement, + GST_TYPE_ELEMENT); + +static void gst_aubiotempo_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_aubiotempo_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static gboolean gst_aubiotempo_set_caps (GstPad * pad, GstCaps * caps); +static GstFlowReturn gst_aubiotempo_chain (GstPad * pad, GstBuffer * buf); + +static void +gst_aubiotempo_base_init (gpointer gclass) +{ + static GstElementDetails element_details = { + "PluginTemplate", + "Generic/PluginTemplate", + "Generic Template Element", + "Thomas Vander Stichele " + }; + GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&src_factory)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&sink_factory)); + gst_element_class_set_details (element_class, &element_details); +} + +/* initialize the plugin's class */ +static void +gst_aubiotempo_class_init (GstAubioTempoClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + + gobject_class->set_property = gst_aubiotempo_set_property; + gobject_class->get_property = gst_aubiotempo_get_property; + + g_object_class_install_property (gobject_class, ARG_SILENT, + g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?", + FALSE, G_PARAM_READWRITE)); +} + +/* initialize the new element + * instantiate pads and add them to element + * set functions + * initialize structure + */ +static void +gst_aubiotempo_init (GstAubioTempo * filter, + GstAubioTempoClass * gclass) +{ + GstElementClass *klass = GST_ELEMENT_GET_CLASS (filter); + + filter->sinkpad = + gst_pad_new_from_template (gst_element_class_get_pad_template (klass, + "sink"), "sink"); + gst_pad_set_setcaps_function (filter->sinkpad, + GST_DEBUG_FUNCPTR(gst_aubiotempo_set_caps)); + gst_pad_set_getcaps_function (filter->sinkpad, + GST_DEBUG_FUNCPTR(gst_pad_proxy_getcaps)); + + filter->srcpad = + gst_pad_new_from_template (gst_element_class_get_pad_template (klass, + "src"), "src"); + gst_pad_set_getcaps_function (filter->srcpad, + GST_DEBUG_FUNCPTR(gst_pad_proxy_getcaps)); + + gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad); + gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad); + gst_pad_set_chain_function (filter->sinkpad, + GST_DEBUG_FUNCPTR(gst_aubiotempo_chain)); + filter->silent = FALSE; +} + +static void +gst_aubiotempo_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstAubioTempo *filter = GST_AUBIOTEMPO (object); + + switch (prop_id) { + case ARG_SILENT: + filter->silent = g_value_get_boolean (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_aubiotempo_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstAubioTempo *filter = GST_AUBIOTEMPO (object); + + switch (prop_id) { + case ARG_SILENT: + g_value_set_boolean (value, filter->silent); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +/* GstElement vmethod implementations */ + +/* this function handles the link with other elements */ +static gboolean +gst_aubiotempo_set_caps (GstPad * pad, GstCaps * caps) +{ + GstAubioTempo *filter; + GstPad *otherpad; + + filter = GST_AUBIOTEMPO (gst_pad_get_parent (pad)); + otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad; + + return gst_pad_set_caps (pad, caps); +} + +/* chain function + * this function does the actual processing + */ + +static GstFlowReturn +gst_aubiotempo_chain (GstPad * pad, GstBuffer * buf) +{ + GstAubioTempo *filter; + + filter = GST_AUBIOTEMPO (GST_OBJECT_PARENT (pad)); + + if (filter->silent == FALSE) + g_print ("I'm plugged, therefore I'm in.\n"); + + /* just push out the incoming buffer without touching it */ + return gst_pad_push (filter->srcpad, buf); +} + + +/* entry point to initialize the plug-in + * initialize the plug-in itself + * register the element factories and pad templates + * register the features + * + * exchange the string 'plugin' with your elemnt name + */ +static gboolean +plugin_init (GstPlugin * plugin) +{ + /* exchange the strings 'plugin' and 'Template plugin' with your + * plugin name and description */ + GST_DEBUG_CATEGORY_INIT (gst_aubiotempo_debug, "plugin", + 0, "Template plugin"); + + return gst_element_register (plugin, "myelement", + GST_RANK_NONE, GST_TYPE_AUBIOTEMPO); +} + +/* this is the structure that gstreamer looks for to register plugins + * + * exchange the strings 'plugin' and 'Template plugin' with you plugin name and + * description + */ +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "plugin", + "Template plugin", + plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") diff --git a/src/gstaubiotempo.h b/src/gstaubiotempo.h new file mode 100644 index 0000000..91b87c4 --- /dev/null +++ b/src/gstaubiotempo.h @@ -0,0 +1,85 @@ +/* + * GStreamer + * Copyright 2005 Thomas Vander Stichele + * Copyright 2005 Ronald S. Bultje + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Alternatively, the contents of this file may be used under the + * GNU Lesser General Public License Version 2.1 (the "LGPL"), in + * which case the following provisions apply instead of the ones + * mentioned above: + * + * 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. + */ + +#ifndef __GST_AUBIOTEMPO_H__ +#define __GST_AUBIOTEMPO_H__ + +#include + +G_BEGIN_DECLS + +/* #defines don't like whitespacey bits */ +#define GST_TYPE_AUBIOTEMPO \ + (gst_aubiotempo_get_type()) +#define GST_AUBIOTEMPO(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUBIOTEMPO,GstAubioTempo)) +#define GST_AUBIOTEMPO_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUBIOTEMPO,GstAubioTempoClass)) +#define GST_IS_AUBIOTEMPO(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUBIOTEMPO)) +#define GST_IS_AUBIOTEMPO_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUBIOTEMPO)) + +typedef struct _GstAubioTempo GstAubioTempo; +typedef struct _GstAubioTempoClass GstAubioTempoClass; + +struct _GstAubioTempo +{ + GstElement element; + + GstPad *sinkpad, *srcpad; + + gboolean silent; +}; + +struct _GstAubioTempoClass +{ + GstElementClass parent_class; +}; + +GType gst_aubiotempo_get_type (void); + +G_END_DECLS + +#endif /* __GST_AUBIOTEMPO_H__ */ -- 2.11.0