gstreamer/sys/opensles/openslessink.c
Josep Torra f6aa2f29bc opensles: Add initial draft implementation of OpenSL ES plugin.
Initial draft implementation for a OpenSL ES based plugin for Android
that provides audio src and sink.
2012-10-18 14:03:08 +02:00

176 lines
5.6 KiB
C

/*
* GStreamer
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* The development of this code was made possible due to the involvement of
* Pioneers of the Inevitable, the creators of the Songbird Music player
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "openslessink.h"
GST_DEBUG_CATEGORY_STATIC (opensles_sink_debug);
#define GST_CAT_DEFAULT opensles_sink_debug
enum
{
PROP_0,
PROP_VOLUME,
PROP_LAST
};
#define DEFAULT_VOLUME 1.0
#define RATES "8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 192000"
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-int, "
"endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
"signed = (boolean) { TRUE }, "
"width = (int) 16, "
"depth = (int) 16, "
"rate = (int) { " RATES "}, "
"channels = (int) [1, 2];"
"audio/x-raw-int, "
"endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
"signed = (boolean) { TRUE }, "
"width = (int) 8, "
"depth = (int) 8, "
"rate = (int) { " RATES "}, " "channels = (int) [1, 2]")
);
static void
_do_init (GType type)
{
GST_DEBUG_CATEGORY_INIT (opensles_sink_debug, "opensles_sink", 0,
"OpenSL ES Sink");
}
GST_BOILERPLATE_FULL (GstOpenSLESSink, gst_opensles_sink, GstBaseAudioSink,
GST_TYPE_BASE_AUDIO_SINK, _do_init);
static void
gst_opensles_sink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_static_pad_template (element_class, &sink_factory);
gst_element_class_set_details_simple (element_class, "OpenSL ES Sink",
"Sink/Audio",
"Output sound using the OpenSL ES APIs",
"Josep Torra <support@fluendo.com>");
}
static GstRingBuffer *
gst_opensles_sink_create_ringbuffer (GstBaseAudioSink * base)
{
GstRingBuffer *rb;
rb = gst_opensles_ringbuffer_new (RB_MODE_SINK_PCM);
return rb;
}
static void
gst_opensles_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstOpenSLESSink *sink = GST_OPENSLES_SINK (object);
switch (prop_id) {
case PROP_VOLUME:
sink->volume = g_value_get_double (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_opensles_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstOpenSLESSink *sink = GST_OPENSLES_SINK (object);
switch (prop_id) {
case PROP_VOLUME:
g_value_set_double (value, sink->volume);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_opensles_sink_class_init (GstOpenSLESSinkClass * klass)
{
GObjectClass *gobject_class;
GstBaseAudioSinkClass *gstbaseaudiosink_class;
gobject_class = (GObjectClass *) klass;
gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_opensles_sink_set_property;
gobject_class->get_property = gst_opensles_sink_get_property;
g_object_class_install_property (gobject_class, PROP_VOLUME,
g_param_spec_double ("volume", "Volume", "Volume of this stream",
0, 1.0, 1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstbaseaudiosink_class->create_ringbuffer =
GST_DEBUG_FUNCPTR (gst_opensles_sink_create_ringbuffer);
}
static void
gst_opensles_sink_init (GstOpenSLESSink * sink, GstOpenSLESSinkClass * gclass)
{
sink->volume = DEFAULT_VOLUME;
}