1 /* GStreamer
2 * Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
3 *
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.
8 *
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.
13 *
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., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 /**
21 * SECTION:element-openslessrc
22 * @title: openslessrc
23 * @see_also: openslessink
24 *
25 * This element reads data from default audio input using the OpenSL ES API in Android OS.
26 *
27 * ## Example pipelines
28 * |[
29 * gst-launch-1.0 -v openslessrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=recorded.ogg
30 * ]| Record from default audio input and encode to Ogg/Vorbis.
31 *
32 */
33
34 #ifdef HAVE_CONFIG_H
35 # include <config.h>
36 #endif
37
38 #include "opensles.h"
39 #include "openslessrc.h"
40
41 GST_DEBUG_CATEGORY_STATIC (opensles_src_debug);
42 #define GST_CAT_DEFAULT opensles_src_debug
43
44 /* *INDENT-OFF* */
45 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
46 GST_PAD_SRC,
47 GST_PAD_ALWAYS,
48 GST_STATIC_CAPS ("audio/x-raw, "
49 "format = (string) " GST_AUDIO_NE (S16) ", "
50 "rate = (int) 16000, "
51 "channels = (int) 1, "
52 "layout = (string) interleaved")
53 );
54 /* *INDENT-ON* */
55
56 #define _do_init \
57 GST_DEBUG_CATEGORY_INIT (opensles_src_debug, "openslessrc", 0, \
58 "OpenSLES Source");
59 #define parent_class gst_opensles_src_parent_class
60 G_DEFINE_TYPE_WITH_CODE (GstOpenSLESSrc, gst_opensles_src,
61 GST_TYPE_AUDIO_BASE_SRC, _do_init);
62 GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (openslessrc, "openslessrc",
63 GST_RANK_PRIMARY, GST_TYPE_OPENSLES_SRC, opensles_element_init (plugin));
64
65 enum
66 {
67 PROP_0,
68 PROP_PRESET,
69 };
70
71 #define DEFAULT_PRESET GST_OPENSLES_RECORDING_PRESET_NONE
72
73
74 static void
gst_opensles_src_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)75 gst_opensles_src_set_property (GObject * object, guint prop_id,
76 const GValue * value, GParamSpec * pspec)
77 {
78 GstOpenSLESSrc *src = GST_OPENSLES_SRC (object);
79
80 switch (prop_id) {
81 case PROP_PRESET:
82 src->preset = g_value_get_enum (value);
83 break;
84 default:
85 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
86 break;
87 }
88 }
89
90 static void
gst_opensles_src_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)91 gst_opensles_src_get_property (GObject * object, guint prop_id,
92 GValue * value, GParamSpec * pspec)
93 {
94 GstOpenSLESSrc *src = GST_OPENSLES_SRC (object);
95
96 switch (prop_id) {
97 case PROP_PRESET:
98 g_value_set_enum (value, src->preset);
99 break;
100 default:
101 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
102 break;
103 }
104 }
105
106 static GstAudioRingBuffer *
gst_opensles_src_create_ringbuffer(GstAudioBaseSrc * base)107 gst_opensles_src_create_ringbuffer (GstAudioBaseSrc * base)
108 {
109 GstAudioRingBuffer *rb;
110
111 rb = gst_opensles_ringbuffer_new (RB_MODE_SRC);
112 GST_OPENSLES_RING_BUFFER (rb)->preset = GST_OPENSLES_SRC (base)->preset;
113
114 return rb;
115 }
116
117 static void
gst_opensles_src_class_init(GstOpenSLESSrcClass * klass)118 gst_opensles_src_class_init (GstOpenSLESSrcClass * klass)
119 {
120 GObjectClass *gobject_class;
121 GstElementClass *gstelement_class;
122 GstAudioBaseSrcClass *gstaudiobasesrc_class;
123
124 gobject_class = (GObjectClass *) klass;
125 gstelement_class = (GstElementClass *) klass;
126 gstaudiobasesrc_class = (GstAudioBaseSrcClass *) klass;
127
128 gobject_class->set_property = gst_opensles_src_set_property;
129 gobject_class->get_property = gst_opensles_src_get_property;
130
131 g_object_class_install_property (gobject_class, PROP_PRESET,
132 g_param_spec_enum ("preset", "Preset", "Recording preset to use",
133 GST_TYPE_OPENSLES_RECORDING_PRESET, DEFAULT_PRESET,
134 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
135
136 gst_element_class_add_static_pad_template (gstelement_class, &src_factory);
137
138 gst_element_class_set_static_metadata (gstelement_class, "OpenSL ES Src",
139 "Source/Audio",
140 "Input sound using the OpenSL ES APIs",
141 "Josep Torra <support@fluendo.com>");
142
143 gstaudiobasesrc_class->create_ringbuffer =
144 GST_DEBUG_FUNCPTR (gst_opensles_src_create_ringbuffer);
145 }
146
147 static void
gst_opensles_src_init(GstOpenSLESSrc * src)148 gst_opensles_src_init (GstOpenSLESSrc * src)
149 {
150 src->preset = DEFAULT_PRESET;
151 }
152