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_adpcmdec.h"
23 #include "gstomx_base_filter.h"
26 /* should this class extend GstOmxBaseAudioDec? */
27 GSTOMX_BOILERPLATE (GstOmxAdpcmDec, gst_omx_adpcmdec, GstOmxBaseFilter,
28 GST_OMX_BASE_FILTER_TYPE);
31 type_base_init (gpointer g_class)
33 GstElementClass *element_class;
35 element_class = GST_ELEMENT_CLASS (g_class);
37 gst_element_class_set_details_simple (element_class,
38 "OpenMAX IL ADPCM audio decoder",
39 "Codec/Decoder/Audio",
40 "Decodes audio in ADPCM format with OpenMAX IL", "Felipe Contreras");
42 gst_element_class_add_pad_template (element_class,
43 gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
44 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "sink")));
46 gst_element_class_add_pad_template (element_class,
47 gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
48 gstomx_template_caps (G_TYPE_FROM_CLASS (g_class), "src")));
52 type_class_init (gpointer g_class, gpointer class_data)
57 sink_setcaps (GstPad * pad, GstCaps * caps)
59 GstStructure *structure;
60 GstOmxBaseFilter *omx_base;
64 omx_base = GST_OMX_BASE_FILTER (GST_PAD_PARENT (pad));
65 gomx = (GOmxCore *) omx_base->gomx;
67 GST_INFO_OBJECT (omx_base, "setcaps (sink): %" GST_PTR_FORMAT, caps);
69 structure = gst_caps_get_structure (caps, 0);
71 gst_structure_get_int (structure, "rate", &rate);
73 /* Input port configuration. */
75 OMX_AUDIO_PARAM_PCMMODETYPE param;
77 G_OMX_INIT_PARAM (param);
79 param.nPortIndex = omx_base->out_port->port_index;
80 OMX_GetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
82 param.nSamplingRate = rate;
84 OMX_SetParameter (gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
87 /* set caps on the srcpad */
91 tmp_caps = gst_pad_get_allowed_caps (omx_base->srcpad);
92 tmp_caps = gst_caps_make_writable (tmp_caps);
93 gst_caps_truncate (tmp_caps);
95 gst_pad_fixate_caps (omx_base->srcpad, tmp_caps);
97 if (gst_caps_is_fixed (tmp_caps)) {
98 GST_INFO_OBJECT (omx_base, "fixated to: %" GST_PTR_FORMAT, tmp_caps);
99 gst_pad_set_caps (omx_base->srcpad, tmp_caps);
102 gst_caps_unref (tmp_caps);
105 return gst_pad_set_caps (pad, caps);
109 type_instance_init (GTypeInstance * instance, gpointer g_class)
111 GstOmxBaseFilter *omx_base;
113 omx_base = GST_OMX_BASE_FILTER (instance);
115 gst_pad_set_setcaps_function (omx_base->sinkpad, sink_setcaps);