import multimedia/gstreamer1

1 files changed, 226 insertions, 0 deletions

diff --git a/multimedia/gstreamer1/plugins-base/files/sndiosink.c b/multimedia/gstreamer1/plugins-base/files/sndiosink.c
new file mode 100644
index 0000000..cc68bd2
--- /dev/null
+++ b/multimedia/gstreamer1/plugins-base/files/sndiosink.c
@@ -0,0 +1,226 @@
+/*
+ * 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));
+}