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/*
* Copyright (C) 2008 Jacob Meuser <jakemsr@sdf.lonestar.org>
* Copyright (C) 2012 Alexandre Ratchov <alex@caoua.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* SECTION:element-sndiosink
* @see_also: #GstAutoAudioSink
*
* <refsect2>
* <para>
* This element outputs sound to a sound card using sndio.
* </para>
* <para>
* Simple example pipeline that plays an Ogg/Vorbis file via sndio:
* <programlisting>
* gst-launch -v filesrc location=foo.ogg ! decodebin ! audioconvert ! audioresample ! sndiosink
* </programlisting>
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "sndiosink.h"
GST_DEBUG_CATEGORY_EXTERN (gst_sndio_debug);
#define GST_CAT_DEFAULT gst_sndio_debug
#define gst_sndiosink_parent_class parent_class
static GstStaticPadTemplate sndiosink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_SNDIO_CAPS_STRING)
);
G_DEFINE_TYPE_WITH_CODE (GstSndioSink, gst_sndiosink, GST_TYPE_AUDIO_SINK,
G_IMPLEMENT_INTERFACE (GST_TYPE_STREAM_VOLUME, NULL));
static void gst_sndiosink_finalize (GObject * object);
static GstCaps *gst_sndiosink_getcaps (GstBaseSink * bsink,
GstCaps * filter);
static gboolean gst_sndiosink_open (GstAudioSink * asink);
static gboolean gst_sndiosink_close (GstAudioSink * asink);
static gboolean gst_sndiosink_prepare (GstAudioSink * asink,
GstAudioRingBufferSpec * spec);
static gboolean gst_sndiosink_unprepare (GstAudioSink * asink);
static gint gst_sndiosink_write (GstAudioSink * asink, gpointer data,
guint length);
static guint gst_sndiosink_delay (GstAudioSink * asink);
static void gst_sndiosink_reset (GstAudioSink * asink);
static void gst_sndiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_sndiosink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_sndiosink_init (GstSndioSink * sink)
{
gst_sndio_init (&sink->sndio, G_OBJECT(sink));
}
static void
gst_sndiosink_finalize (GObject * object)
{
GstSndioSink *sink = GST_SNDIOSINK (object);
gst_sndio_finalize (&sink->sndio);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstCaps *
gst_sndiosink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{
GstSndioSink *sink = GST_SNDIOSINK (bsink);
return gst_sndio_getcaps (&sink->sndio, filter);
}
static gboolean
gst_sndiosink_open (GstAudioSink * asink)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
return gst_sndio_open (&sink->sndio, SIO_PLAY);
}
static gboolean
gst_sndiosink_close (GstAudioSink * asink)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
return gst_sndio_close (&sink->sndio);
}
static gboolean
gst_sndiosink_prepare (GstAudioSink * asink, GstAudioRingBufferSpec * spec)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
return gst_sndio_prepare (&sink->sndio, spec);
}
static gboolean
gst_sndiosink_unprepare (GstAudioSink * asink)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
return gst_sndio_unprepare (&sink->sndio);
}
static gint
gst_sndiosink_write (GstAudioSink * asink, gpointer data, guint length)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
guint done;
if (length == 0)
return 0;
done = sio_write (sink->sndio.hdl, data, length);
if (done == 0) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
("Failed to write data to sndio"), (NULL));
return 0;
}
sink->sndio.delay += done;
return done;
}
static guint
gst_sndiosink_delay (GstAudioSink * asink)
{
GstSndioSink *sink = GST_SNDIOSINK (asink);
return GST_SNDIO_DELAY(&sink->sndio);
}
static void
gst_sndiosink_reset (GstAudioSink * asink)
{
}
static void
gst_sndiosink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSndioSink *sink = GST_SNDIOSINK (object);
gst_sndio_set_property (&sink->sndio, prop_id, value, pspec);
}
static void
gst_sndiosink_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstSndioSink *sink = GST_SNDIOSINK (object);
gst_sndio_get_property (&sink->sndio, prop_id, value, pspec);
}
static void
gst_sndiosink_class_init (GstSndioSinkClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
GstAudioBaseSinkClass *gstbaseaudiosink_class;
GstAudioSinkClass *gstaudiosink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
gstbaseaudiosink_class = (GstAudioBaseSinkClass *) klass;
gstaudiosink_class = (GstAudioSinkClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gst_sndiosink_finalize;
gobject_class->get_property = gst_sndiosink_get_property;
gobject_class->set_property = gst_sndiosink_set_property;
gst_element_class_set_static_metadata (gstelement_class,
"Audio sink (sndio)", "Sink/Audio",
"Output to a sound card via sndio",
"Jacob Meuser <jakemsr@sdf.lonestar.org>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sndiosink_factory));
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_sndiosink_getcaps);
gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_sndiosink_open);
gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_sndiosink_prepare);
gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR (gst_sndiosink_unprepare);
gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_sndiosink_close);
gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_sndiosink_write);
gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_sndiosink_delay);
gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_sndiosink_reset);
g_object_class_install_property (gobject_class, PROP_DEVICE,
g_param_spec_string ("device", "Device",
"sndio device as defined in sndio(7)",
SIO_DEVANY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_VOLUME,
g_param_spec_double ("volume", "Volume",
"Linear volume of this stream, 1.0=100%", 0.0, 1.0,
1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MUTE,
g_param_spec_boolean ("mute", "Mute",
"Mute state of this stream", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
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