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Diffstat (limited to 'plugins/nle/nleurisource.c')
| -rw-r--r-- | plugins/nle/nleurisource.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/plugins/nle/nleurisource.c b/plugins/nle/nleurisource.c new file mode 100644 index 00000000..8fd2950a --- /dev/null +++ b/plugins/nle/nleurisource.c @@ -0,0 +1,166 @@ +/* Gnonlin + * Copyright (C) <2005-2008> Edward Hervey <bilboed@bilboed.com> + * + * 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., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "nle.h" +#include "nleurisource.h" + +/** + * SECTION:element-nleurisource + * + * NleURISource is a #NleSource which reads and decodes the contents + * of a given file. The data in the file is decoded using any available + * GStreamer plugins. + */ + +static GstStaticPadTemplate nle_urisource_src_template = +GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_SOMETIMES, + GST_STATIC_CAPS_ANY); + +GST_DEBUG_CATEGORY_STATIC (nleurisource); +#define GST_CAT_DEFAULT nleurisource + +#define _do_init \ + GST_DEBUG_CATEGORY_INIT (nleurisource, "nleurisource", GST_DEBUG_FG_BLUE | GST_DEBUG_BOLD, "GNonLin URI Source Element"); +#define nle_urisource_parent_class parent_class +G_DEFINE_TYPE_WITH_CODE (NleURISource, nle_urisource, NLE_TYPE_SOURCE, + _do_init); + +enum +{ + ARG_0, + ARG_URI, +}; + +static gboolean nle_urisource_prepare (NleObject * object); + +static void +nle_urisource_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); + +static void +nle_urisource_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static void +nle_urisource_class_init (NleURISourceClass * klass) +{ + GObjectClass *gobject_class; + NleObjectClass *nleobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass *) klass; + gstelement_class = (GstElementClass *) klass; + nleobject_class = (NleObjectClass *) klass; + parent_class = g_type_class_ref (NLE_TYPE_SOURCE); + + gst_element_class_set_static_metadata (gstelement_class, "GNonLin URI Source", + "Filter/Editor", + "High-level URI Source element", "Edward Hervey <bilboed@bilboed.com>"); + + gobject_class->set_property = GST_DEBUG_FUNCPTR (nle_urisource_set_property); + gobject_class->get_property = GST_DEBUG_FUNCPTR (nle_urisource_get_property); + + g_object_class_install_property (gobject_class, ARG_URI, + g_param_spec_string ("uri", "Uri", + "Uri of the file to use", NULL, G_PARAM_READWRITE)); + + gst_element_class_add_pad_template (gstelement_class, + gst_static_pad_template_get (&nle_urisource_src_template)); + + nleobject_class->prepare = nle_urisource_prepare; +} + +static void +nle_urisource_init (NleURISource * urisource) +{ + GstElement *decodebin = NULL; + + GST_OBJECT_FLAG_SET (urisource, NLE_OBJECT_SOURCE); + + /* We create a bin with source and decodebin within */ + decodebin = + gst_element_factory_make ("uridecodebin", "internal-uridecodebin"); + g_object_set (decodebin, "expose-all-streams", FALSE, NULL); + + gst_bin_add (GST_BIN (urisource), decodebin); +} + +static inline void +nle_urisource_set_uri (NleURISource * fs, const gchar * uri) +{ + g_object_set (NLE_SOURCE (fs)->element, "uri", uri, NULL); +} + +static void +nle_urisource_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + NleURISource *fs = (NleURISource *) object; + + switch (prop_id) { + case ARG_URI: + nle_urisource_set_uri (fs, g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nle_urisource_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + NleURISource *fs = (NleURISource *) object; + + switch (prop_id) { + case ARG_URI: + g_object_get_property ((GObject *) NLE_SOURCE (fs)->element, "uri", + value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + +} + +static gboolean +nle_urisource_prepare (NleObject * object) +{ + NleSource *fs = (NleSource *) object; + + GST_DEBUG ("prepare"); + + /* Set the caps on uridecodebin */ + if (!gst_caps_is_any (object->caps)) { + GST_DEBUG_OBJECT (object, "Setting uridecodebin caps to %" GST_PTR_FORMAT, + object->caps); + g_object_set (fs->element, "caps", object->caps, NULL); + } + + return NLE_OBJECT_CLASS (parent_class)->prepare (object); +} |