2 * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
24 #include "gstplaysinkaudioconvert.h"
26 #include <gst/pbutils/pbutils.h>
27 #include <gst/gst-i18n-plugin.h>
29 GST_DEBUG_CATEGORY_STATIC (gst_play_sink_audio_convert_debug);
30 #define GST_CAT_DEFAULT gst_play_sink_audio_convert_debug
32 #define parent_class gst_play_sink_audio_convert_parent_class
34 G_DEFINE_TYPE (GstPlaySinkAudioConvert, gst_play_sink_audio_convert,
35 GST_TYPE_PLAY_SINK_CONVERT_BIN);
45 gst_play_sink_audio_convert_add_conversion_elements (GstPlaySinkAudioConvert *
48 GstPlaySinkConvertBin *cbin = GST_PLAY_SINK_CONVERT_BIN (self);
49 GstElement *el, *prev = NULL;
51 g_assert (cbin->conversion_elements == NULL);
53 GST_DEBUG_OBJECT (self,
54 "Building audio conversion with use-converters %d, use-volume %d",
55 self->use_converters, self->use_volume);
57 if (self->use_converters) {
58 el = gst_play_sink_convert_bin_add_conversion_element_factory (cbin,
59 "audioconvert", "conv");
64 el = gst_play_sink_convert_bin_add_conversion_element_factory (cbin,
65 "audioresample", "resample");
69 if (!gst_element_link_pads_full (prev, "src", el, "sink",
70 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
77 if (self->use_volume && self->volume) {
79 gst_play_sink_convert_bin_add_conversion_element (cbin, el);
81 if (!gst_element_link_pads_full (prev, "src", el, "sink",
82 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
95 gst_play_sink_audio_convert_finalize (GObject * object)
97 GstPlaySinkAudioConvert *self = GST_PLAY_SINK_AUDIO_CONVERT_CAST (object);
100 gst_object_unref (self->volume);
102 G_OBJECT_CLASS (parent_class)->finalize (object);
106 gst_play_sink_audio_convert_set_property (GObject * object, guint prop_id,
107 const GValue * value, GParamSpec * pspec)
109 GstPlaySinkAudioConvert *self = GST_PLAY_SINK_AUDIO_CONVERT_CAST (object);
110 gboolean v, changed = FALSE;
112 GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
114 case PROP_USE_CONVERTERS:
115 v = g_value_get_boolean (value);
116 if (v != self->use_converters) {
117 self->use_converters = v;
121 case PROP_USE_VOLUME:
122 v = g_value_get_boolean (value);
123 if (v != self->use_volume) {
124 self->use_volume = v;
133 GstPlaySinkConvertBin *cbin = GST_PLAY_SINK_CONVERT_BIN (self);
134 GST_DEBUG_OBJECT (self, "Rebuilding converter bin");
135 gst_play_sink_convert_bin_remove_elements (cbin);
136 gst_play_sink_audio_convert_add_conversion_elements (self);
137 gst_play_sink_convert_bin_add_identity (cbin);
138 gst_play_sink_convert_bin_cache_converter_caps (cbin);
140 GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
144 gst_play_sink_audio_convert_get_property (GObject * object, guint prop_id,
145 GValue * value, GParamSpec * pspec)
147 GstPlaySinkAudioConvert *self = GST_PLAY_SINK_AUDIO_CONVERT_CAST (object);
149 GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
151 case PROP_USE_CONVERTERS:
152 g_value_set_boolean (value, self->use_converters);
154 case PROP_USE_VOLUME:
155 g_value_set_boolean (value, self->use_volume);
160 GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
164 gst_play_sink_audio_convert_class_init (GstPlaySinkAudioConvertClass * klass)
166 GObjectClass *gobject_class;
167 GstElementClass *gstelement_class;
169 GST_DEBUG_CATEGORY_INIT (gst_play_sink_audio_convert_debug,
170 "playsinkaudioconvert", 0, "play bin");
172 gobject_class = (GObjectClass *) klass;
173 gstelement_class = (GstElementClass *) klass;
175 gobject_class->finalize = gst_play_sink_audio_convert_finalize;
176 gobject_class->set_property = gst_play_sink_audio_convert_set_property;
177 gobject_class->get_property = gst_play_sink_audio_convert_get_property;
179 g_object_class_install_property (gobject_class, PROP_USE_CONVERTERS,
180 g_param_spec_boolean ("use-converters", "Use converters",
181 "Whether to use conversion elements", FALSE,
182 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
184 g_object_class_install_property (gobject_class, PROP_USE_VOLUME,
185 g_param_spec_boolean ("use-volume", "Use volume",
186 "Whether to use a volume element", FALSE,
187 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
189 gst_element_class_set_details_simple (gstelement_class,
190 "Player Sink Audio Converter", "Audio/Bin/Converter",
191 "Convenience bin for audio conversion",
192 "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
196 gst_play_sink_audio_convert_init (GstPlaySinkAudioConvert * self)
198 GstPlaySinkConvertBin *cbin = GST_PLAY_SINK_CONVERT_BIN (self);
202 /* FIXME: Only create this on demand but for now we need
203 * it to always exist because of playsink's volume proxying
206 self->volume = gst_element_factory_make ("volume", "volume");
208 gst_object_ref_sink (self->volume);
210 gst_play_sink_audio_convert_add_conversion_elements (self);
211 gst_play_sink_convert_bin_cache_converter_caps (cbin);