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);
38 type_base_init (gpointer g_class)
40 GstElementClass *element_class;
42 element_class = GST_ELEMENT_CLASS (g_class);
44 gst_element_class_set_details_simple (element_class,
45 "OpenMAX IL AMR-NB audio encoder",
46 "Codec/Encoder/Audio",
47 "Encodes audio in AMR-NB format with OpenMAX IL", "Felipe Contreras");
49 gst_element_class_add_pad_template (element_class,
50 gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
51 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "sink")));
53 gst_element_class_add_pad_template (element_class,
54 gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
55 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "src")));
59 set_property (GObject * obj,
60 guint prop_id, const GValue * value, GParamSpec * pspec)
64 self = GST_OMX_AMRNBENC (obj);
68 self->bitrate = g_value_get_uint (value);
71 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
77 get_property (GObject * obj, guint prop_id, GValue * value, GParamSpec * pspec)
81 self = GST_OMX_AMRNBENC (obj);
85 /** @todo propagate this to OpenMAX when processing. */
86 g_value_set_uint (value, self->bitrate);
89 G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
95 type_class_init (gpointer g_class, gpointer class_data)
97 GObjectClass *gobject_class;
99 gobject_class = G_OBJECT_CLASS (g_class);
101 /* Properties stuff */
103 gobject_class->set_property = set_property;
104 gobject_class->get_property = get_property;
106 g_object_class_install_property (gobject_class, ARG_BITRATE,
107 g_param_spec_uint ("bitrate", "Bit-rate",
109 0, G_MAXUINT, DEFAULT_BITRATE,
110 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
115 settings_changed_cb (GOmxCore * core)
117 GstOmxBaseFilter *omx_base;
120 omx_base = core->object;
122 GST_DEBUG_OBJECT (omx_base, "settings changed");
125 OMX_AUDIO_PARAM_AMRTYPE param;
127 G_OMX_INIT_PARAM (param);
129 param.nPortIndex = omx_base->out_port->port_index;
130 OMX_GetParameter (omx_base->gomx->omx_handle, OMX_IndexParamAudioAmr,
133 channels = param.nChannels;
139 new_caps = gst_caps_new_simple ("audio/AMR",
140 "channels", G_TYPE_INT, channels, "rate", G_TYPE_INT, 8000, NULL);
142 GST_INFO_OBJECT (omx_base, "caps are: %" GST_PTR_FORMAT, new_caps);
143 gst_pad_set_caps (omx_base->srcpad, new_caps);
148 sink_setcaps (GstPad * pad, GstCaps * caps)
150 GstStructure *structure;
151 GstOmxBaseFilter *omx_base;
156 omx_base = GST_OMX_BASE_FILTER (GST_PAD_PARENT (pad));
157 gomx = (GOmxCore *) omx_base->gomx;
159 GST_INFO_OBJECT (omx_base, "setcaps (sink): %" GST_PTR_FORMAT, caps);
161 g_return_val_if_fail (gst_caps_get_size (caps) == 1, FALSE);
163 structure = gst_caps_get_structure (caps, 0);
165 gst_structure_get_int (structure, "rate", &rate);
166 gst_structure_get_int (structure, "channels", &channels);
168 /* Input port configuration. */
170 OMX_AUDIO_PARAM_PCMMODETYPE param;
172 G_OMX_INIT_PARAM (param);
174 param.nPortIndex = omx_base->in_port->port_index;
175 OMX_GetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
177 param.nSamplingRate = rate;
178 param.nChannels = channels;
180 OMX_SetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
183 return gst_pad_set_caps (pad, caps);
187 type_instance_init (GTypeInstance * instance, gpointer g_class)
189 GstOmxBaseFilter *omx_base;
190 GstOmxAmrNbEnc *self;
192 omx_base = GST_OMX_BASE_FILTER (instance);
193 self = GST_OMX_AMRNBENC (instance);
195 omx_base->gomx->settings_changed_cb = settings_changed_cb;
197 gst_pad_set_setcaps_function (omx_base->sinkpad, sink_setcaps);
199 self->bitrate = DEFAULT_BITRATE;