From b3cfa35a6f0eb46f34b649b0e5996611422d5c9c Mon Sep 17 00:00:00 2001 From: Stefan Kost Date: Wed, 11 Jun 2008 14:28:44 +0000 Subject: [PATCH] gst/debug/gsttaginject.*: Now actually adding the new element. Original commit message from CVS: * gst/debug/gsttaginject.c: * gst/debug/gsttaginject.h: Now actually adding the new element. --- ChangeLog | 6 ++ gst/debug/gsttaginject.c | 185 +++++++++++++++++++++++++++++++++++++++ gst/debug/gsttaginject.h | 67 ++++++++++++++ 3 files changed, 258 insertions(+) create mode 100644 gst/debug/gsttaginject.c create mode 100644 gst/debug/gsttaginject.h diff --git a/ChangeLog b/ChangeLog index 3a48ab9728..d498be1b9e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2008-06-11 Stefan Kost + + * gst/debug/gsttaginject.c: + * gst/debug/gsttaginject.h: + Now actually adding the new element. + 2008-06-11 Stefan Kost * docs/plugins/Makefile.am: diff --git a/gst/debug/gsttaginject.c b/gst/debug/gsttaginject.c new file mode 100644 index 0000000000..2901d4a73b --- /dev/null +++ b/gst/debug/gsttaginject.c @@ -0,0 +1,185 @@ +/* GStreamer + * Copyright (C) 2008 Stefan Kost + * + * gsttaginject.c: + * + * 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-taginject + * + * Element that inject new metadata tags, but passes incomming data through + * unmodified. + * |[ + * gst-launch audiotestsrc num-buffers=100 ! taginject tags="title=testsrc,artist=gstreamer" ! vorbisenc ! oggmux ! filesink location=test.ogg + * ]| + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include "gsttaginject.h" + +static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + +static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + +GST_DEBUG_CATEGORY_STATIC (gst_tag_inject_debug); +#define GST_CAT_DEFAULT gst_tag_inject_debug + +enum +{ + PROP_TAGS = 1, +}; + + +#define DEBUG_INIT(bla) \ + GST_DEBUG_CATEGORY_INIT (gst_tag_inject_debug, "taginject", 0, "tag inject element"); + +GST_BOILERPLATE_FULL (GstTagInject, gst_tag_inject, GstBaseTransform, + GST_TYPE_BASE_TRANSFORM, DEBUG_INIT); + +static void gst_tag_inject_finalize (GObject * object); +static void gst_tag_inject_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_tag_inject_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +//static GstFlowReturn gst_tag_inject_transform_ip (GstBaseTransform * trans, +// GstBuffer * buf); +static gboolean gst_tag_inject_start (GstBaseTransform * trans); + + +static void +gst_tag_inject_base_init (gpointer g_class) +{ + GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details_simple (gstelement_class, + "TagInject", + "Generic", "inject metadata tags", "Stefan Kost "); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&srctemplate)); + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&sinktemplate)); +} + +static void +gst_tag_inject_finalize (GObject * object) +{ + GstTagInject *self = GST_TAG_INJECT (object); + + gst_tag_list_free (self->tags); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gst_tag_inject_class_init (GstTagInjectClass * klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + GstBaseTransformClass *gstbasetrans_class; + + gobject_class = G_OBJECT_CLASS (klass); + gstelement_class = GST_ELEMENT_CLASS (klass); + gstbasetrans_class = GST_BASE_TRANSFORM_CLASS (klass); + + gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_tag_inject_set_property); + gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_tag_inject_get_property); + + g_object_class_install_property (gobject_class, PROP_TAGS, + g_param_spec_string ("tags", "taglist", + "List of tags to inject into the target file", + NULL, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS)); + + gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_tag_inject_finalize); + + //gstbasetrans_class->transform_ip = + // GST_DEBUG_FUNCPTR (gst_tag_inject_transform_ip); + gstbasetrans_class->start = GST_DEBUG_FUNCPTR (gst_tag_inject_start); +} + +static void +gst_tag_inject_init (GstTagInject * self, GstTagInjectClass * g_class) +{ + self->tags = NULL; +} + +/* +static GstFlowReturn +gst_tag_inject_transform_ip (GstBaseTransform * trans, GstBuffer * buf) +{ + //GstTagInject *self = GST_TAG_INJECT (trans); + + return GST_FLOW_OK; +} +*/ + +static void +gst_tag_inject_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstTagInject *self = GST_TAG_INJECT (object); + gchar *structure; + + switch (prop_id) { + case PROP_TAGS: + structure = g_strdup_printf ("taglist,%s", g_value_get_string (value)); + self->tags = gst_structure_from_string (structure, NULL); + g_free (structure); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_tag_inject_get_property (GObject * object, guint prop_id, GValue * value, + GParamSpec * pspec) +{ + /*GstTagInject *self = GST_TAG_INJECT (object); */ + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static gboolean +gst_tag_inject_start (GstBaseTransform * trans) +{ + GstTagInject *self = GST_TAG_INJECT (trans); + + /* send tags */ + if (!gst_tag_list_is_empty (self->tags)) { + gst_element_found_tags (GST_ELEMENT (trans), + gst_tag_list_copy (self->tags)); + } + + return TRUE; +} diff --git a/gst/debug/gsttaginject.h b/gst/debug/gsttaginject.h new file mode 100644 index 0000000000..7c80ec0f58 --- /dev/null +++ b/gst/debug/gsttaginject.h @@ -0,0 +1,67 @@ +/* GStreamer + * Copyright (C) 2008 Stefan Kost + * + * gsttaginject.h: + * + * 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_TAG_INJECT_H__ +#define __GST_TAG_INJECT_H__ + + +#include +#include + +G_BEGIN_DECLS + + +#define GST_TYPE_TAG_INJECT \ + (gst_tag_inject_get_type()) +#define GST_TAG_INJECT(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TAG_INJECT,GstTagInject)) +#define GST_TAG_INJECT_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TAG_INJECT,GstTagInjectClass)) +#define GST_IS_TAG_INJECT(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TAG_INJECT)) +#define GST_IS_TAG_INJECT_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TAG_INJECT)) + +typedef struct _GstTagInject GstTagInject; +typedef struct _GstTagInjectClass GstTagInjectClass; + +/** + * GstTagInject: + * + * Opaque #GstTagInject data structure + */ +struct _GstTagInject { + GstBaseTransform element; + + /*< private >*/ + GstTagList *tags; +}; + +struct _GstTagInjectClass { + GstBaseTransformClass parent_class; +}; + +GType gst_tag_inject_get_type(void); + +G_END_DECLS + +#endif /* __GST_TAG_INJECT_H__ */