2 * Copyright (C) 2007-2009 Nokia Corporation.
4 * Author: Felipe Contreras <felipe.contreras@nokia.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation
9 * version 2.1 of the License.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "gstomx_amrnbenc.h"
23 #include "gstomx_base_filter.h"
32 #define DEFAULT_BITRATE 64000
34 GSTOMX_BOILERPLATE (GstOmxAmrNbEnc, gst_omx_amrnbenc, GstOmxBaseFilter,
35 GST_OMX_BASE_FILTER_TYPE);
37 static void instance_init (GstElement * element);
40 type_base_init (gpointer g_class)
42 GstElementClass *element_class;
44 element_class = GST_ELEMENT_CLASS (g_class);
46 gst_element_class_set_details_simple (element_class,
47 "OpenMAX IL AMR-NB audio encoder",
48 "Codec/Encoder/Audio",
49 "Encodes audio in AMR-NB format with OpenMAX IL", "Felipe Contreras");
51 gst_element_class_add_pad_template (element_class,
52 gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
53 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "sink")));
55 gst_element_class_add_pad_template (element_class,
56 gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
57 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "src")));
61 set_property (GObject * obj,
62 guint prop_id, const GValue * value, GParamSpec * pspec)
66 self = GST_OMX_AMRNBENC (obj);
70 self->bitrate = g_value_get_uint (value);
73 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
79 get_property (GObject * obj, guint prop_id, GValue * value, GParamSpec * pspec)
83 self = GST_OMX_AMRNBENC (obj);
87 /** @todo propagate this to OpenMAX when processing. */
88 g_value_set_uint (value, self->bitrate);
91 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
97 type_class_init (gpointer g_class, gpointer class_data)
99 GObjectClass *gobject_class;
100 GstOmxBaseFilterClass *basefilter_class;
102 gobject_class = G_OBJECT_CLASS (g_class);
103 basefilter_class = GST_OMX_BASE_FILTER_CLASS (g_class);
105 basefilter_class->instance_init = instance_init;
107 /* Properties stuff */
109 gobject_class->set_property = set_property;
110 gobject_class->get_property = get_property;
112 g_object_class_install_property (gobject_class, ARG_BITRATE,
113 g_param_spec_uint ("bitrate", "Bit-rate",
115 0, G_MAXUINT, DEFAULT_BITRATE,
116 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
121 settings_changed_cb (GOmxCore * core)
123 GstOmxBaseFilter *omx_base;
126 omx_base = core->object;
128 GST_DEBUG_OBJECT (omx_base, "settings changed");
131 OMX_AUDIO_PARAM_AMRTYPE param;
133 G_OMX_INIT_PARAM (param);
135 param.nPortIndex = omx_base->out_port->port_index;
136 OMX_GetParameter (omx_base->gomx->omx_handle, OMX_IndexParamAudioAmr,
139 channels = param.nChannels;
145 new_caps = gst_caps_new_simple ("audio/AMR",
146 "channels", G_TYPE_INT, channels, "rate", G_TYPE_INT, 8000, NULL);
148 GST_INFO_OBJECT (omx_base, "caps are: %" GST_PTR_FORMAT, new_caps);
149 gst_pad_set_caps (omx_base->srcpad, new_caps);
150 gst_caps_unref(new_caps);
155 sink_setcaps (GstPad * pad, GstCaps * caps)
157 GstStructure *structure;
158 GstOmxBaseFilter *omx_base;
163 omx_base = GST_OMX_BASE_FILTER (GST_PAD_PARENT (pad));
164 gomx = (GOmxCore *) omx_base->gomx;
166 GST_INFO_OBJECT (omx_base, "setcaps (sink): %" GST_PTR_FORMAT, caps);
168 g_return_val_if_fail (gst_caps_get_size (caps) == 1, FALSE);
170 structure = gst_caps_get_structure (caps, 0);
172 gst_structure_get_int (structure, "rate", &rate);
173 gst_structure_get_int (structure, "channels", &channels);
175 /* Input port configuration. */
177 OMX_AUDIO_PARAM_PCMMODETYPE param;
179 G_OMX_INIT_PARAM (param);
181 param.nPortIndex = omx_base->in_port->port_index;
182 OMX_GetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
184 param.nSamplingRate = rate;
185 param.nChannels = channels;
187 OMX_SetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
190 return gst_pad_set_caps (pad, caps);
194 instance_private_value_init(GstElement * element)
196 GstOmxBaseFilter *omx_base;
197 GstOmxAmrNbEnc *self;
199 omx_base = GST_OMX_BASE_FILTER (element);
200 self = GST_OMX_AMRNBENC (element);
202 omx_base->gomx->settings_changed_cb = settings_changed_cb;
204 self->bitrate = DEFAULT_BITRATE;
208 instance_init (GstElement * element)
210 GST_OMX_BASE_FILTER_CLASS (parent_class)->instance_init(element);
212 instance_private_value_init(element);
216 type_instance_init (GTypeInstance * instance, gpointer g_class)
218 GstOmxBaseFilter *omx_base;
220 omx_base = GST_OMX_BASE_FILTER (instance);
222 gst_pad_set_setcaps_function (omx_base->sinkpad, sink_setcaps);
224 instance_private_value_init(GST_ELEMENT(instance));