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/*
* Copyright (C) 2007-2009 Nokia Corporation.
*
* Author: Felipe Contreras <felipe.contreras@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "gstomx_amrwbdec.h"
#include "gstomx_base_filter.h"
#include "gstomx.h"
#include <string.h> /* for memset */
GSTOMX_BOILERPLATE (GstOmxAmrWbDec, gst_omx_amrwbdec, GstOmxBaseFilter, GST_OMX_BASE_FILTER_TYPE);
static GstCaps *
generate_src_template (void)
{
GstCaps *caps;
caps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"rate", G_TYPE_INT, 16000,
"signed", G_TYPE_BOOLEAN, TRUE,
"channels", G_TYPE_INT, 1,
NULL);
return caps;
}
static GstCaps *
generate_sink_template (void)
{
GstCaps *caps;
caps = gst_caps_new_simple ("audio/AMR-WB",
"rate", G_TYPE_INT, 16000,
"channels", G_TYPE_INT, 1,
NULL);
return caps;
}
static void
type_base_init (gpointer g_class)
{
GstElementClass *element_class;
element_class = GST_ELEMENT_CLASS (g_class);
{
GstElementDetails details;
details.longname = "OpenMAX IL AMR-WB audio decoder";
details.klass = "Codec/Decoder/Audio";
details.description = "Decodes audio in AMR-WB format with OpenMAX IL";
details.author = "Felipe Contreras";
gst_element_class_set_details (element_class, &details);
}
{
GstPadTemplate *template;
template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS,
generate_src_template ());
gst_element_class_add_pad_template (element_class, template);
}
{
GstPadTemplate *template;
template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS,
generate_sink_template ());
gst_element_class_add_pad_template (element_class, template);
}
}
static void
type_class_init (gpointer g_class,
gpointer class_data)
{
}
static void
settings_changed_cb (GOmxCore *core)
{
GstOmxBaseFilter *omx_base;
guint rate;
guint channels;
omx_base = core->object;
GST_DEBUG_OBJECT (omx_base, "settings changed");
{
OMX_AUDIO_PARAM_PCMMODETYPE param;
memset (¶m, 0, sizeof (param));
param.nSize = sizeof (OMX_AUDIO_PARAM_PCMMODETYPE);
param.nVersion.s.nVersionMajor = 1;
param.nVersion.s.nVersionMinor = 1;
param.nPortIndex = 1;
OMX_GetParameter (omx_base->gomx->omx_handle, OMX_IndexParamAudioPcm, ¶m);
rate = param.nSamplingRate;
channels = param.nChannels;
}
{
GstCaps *new_caps;
new_caps = gst_caps_new_simple ("audio/x-raw-int",
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"rate", G_TYPE_INT, rate,
"signed", G_TYPE_BOOLEAN, TRUE,
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"channels", G_TYPE_INT, channels,
NULL);
GST_INFO_OBJECT (omx_base, "caps are: %" GST_PTR_FORMAT, new_caps);
gst_pad_set_caps (omx_base->srcpad, new_caps);
}
}
static void
type_instance_init (GTypeInstance *instance,
gpointer g_class)
{
GstOmxBaseFilter *omx_base;
omx_base = GST_OMX_BASE_FILTER (instance);
omx_base->gomx->settings_changed_cb = settings_changed_cb;
}
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