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-rw-r--r--ext/arts/gst_arts.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/ext/arts/gst_arts.c b/ext/arts/gst_arts.c
new file mode 100644
index 00000000..a513f677
--- /dev/null
+++ b/ext/arts/gst_arts.c
@@ -0,0 +1,243 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+
+#include <string.h>
+#include <math.h>
+#include <sys/soundcard.h>
+
+//#define DEBUG_ENABLED
+#include "gst_arts.h"
+#include "gst_artsio_impl.h"
+
+/* elementfactory information */
+static GstElementDetails gst_arts_details = {
+ "aRts plugin",
+ "Filter/Audio",
+ "aRts plugin",
+ VERSION,
+ "Erik Walthinsen <omega@temple-baptist.com,
+Stefan Westerfeld <stefan@space.twc.de>",
+ "(C) 2000",
+};
+
+
+GST_PADTEMPLATE_FACTORY ( sink_temp,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "arts_sample",
+ "audio/raw",
+ "format", GST_PROPS_INT ("int"),
+ "law", GST_PROPS_INT (0),
+ "depth", GST_PROPS_INT (16),
+ "width", GST_PROPS_INT (16),
+ "signed", GST_PROPS_BOOLEAN (TRUE),
+ "channels", GST_PROPS_INT (2),
+ "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN)
+ )
+)
+
+GST_PADTEMPLATE_FACTORY ( src_temp,
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "arts_sample",
+ "audio/raw",
+ "format", GST_PROPS_INT ("int"),
+ "law", GST_PROPS_INT (0),
+ "depth", GST_PROPS_INT (16),
+ "width", GST_PROPS_INT (16),
+ "signed", GST_PROPS_BOOLEAN (TRUE),
+ "channels", GST_PROPS_INT (2),
+ "endianness", GST_PROPS_INT (G_LITTLE_ENDIAN)
+ )
+)
+
+static GstPadTemplate*
+mad_src_template_factory (void)
+{
+ static GstPadTemplate *templ = NULL;
+
+ if (!templ) {
+ templ = gst_padtemplate_new (
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ gst_caps_new (
+ "mad_src",
+ "audio/raw",
+ gst_props_new (
+ "format", GST_PROPS_STRING ("int"),
+ "law", GST_PROPS_INT (0),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "signed", GST_PROPS_BOOLEAN (TRUE),
+ "width", GST_PROPS_INT (16),
+ "depth", GST_PROPS_INT (16),
+ "rate", GST_PROPS_INT (44100),
+ "channels", GST_PROPS_INT (2),
+ NULL)),
+ NULL);
+ }
+ return templ;
+}
+
+enum {
+ ARG_0,
+ ARG_LAST,
+};
+
+static void gst_arts_class_init (GstARTSClass *klass);
+static void gst_arts_init (GstARTS *arts);
+
+static void gst_arts_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
+static void gst_arts_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+
+static GstElementStateReturn gst_arts_change_state (GstElement *element);
+static void gst_arts_loop (GstElement *element);
+
+
+static GstElementClass *parent_class = NULL;
+//static guint gst_arts_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_arts_get_type (void)
+{
+ static GType gst_arts_type = 0;
+
+ if (!gst_arts_type) {
+ static const GTypeInfo gst_arts_info = {
+ sizeof(GstARTSClass), NULL,
+ NULL,
+ (GClassInitFunc)gst_arts_class_init,
+ NULL,
+ NULL,
+ sizeof(GstARTS),
+ 0,
+ (GInstanceInitFunc)gst_arts_init,
+ };
+ gst_arts_type = g_type_register_static(GST_TYPE_ELEMENT, "GstArts", &gst_arts_info, 0);
+ }
+ return gst_arts_type;
+}
+
+static void
+gst_arts_class_init (GstARTSClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ gobject_class->set_property = gst_arts_set_property;
+ gobject_class->get_property = gst_arts_get_property;
+
+ gstelement_class->change_state = gst_arts_change_state;
+}
+
+static void
+gst_arts_init (GstARTS *arts)
+{
+ arts->sinkpad = gst_pad_new_from_template(GST_PADTEMPLATE_GET(sink_temp),"sink");
+ gst_element_add_pad(GST_ELEMENT(arts),arts->sinkpad);
+
+// arts->srcpad = gst_pad_new_from_template(GST_PADTEMPLATE_GET(src_temp),"src");
+ arts->srcpad = gst_pad_new_from_template(mad_src_template_factory (), "src");
+ gst_element_add_pad(GST_ELEMENT(arts),arts->srcpad);
+
+ gst_element_set_loop_function (GST_ELEMENT (arts), gst_arts_loop);
+
+ arts->wrapper = gst_arts_wrapper_new(arts->sinkpad,arts->srcpad);
+}
+
+static void
+gst_arts_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstARTS *arts = (GstARTS*)object;
+ GstARTSClass *oclass = (GstARTSClass*)(G_OBJECT_CLASS (object));
+
+}
+
+static void
+gst_arts_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstARTS *arts = (GstARTS*)object;
+ GstARTSClass *oclass = (GstARTSClass*)(G_OBJECT_CLASS (object));
+
+}
+
+static GstElementStateReturn
+gst_arts_change_state (GstElement *element)
+{
+ GstARTS *arts = (GstARTS*)element;
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_NULL_TO_READY:
+ break;
+ default:
+ break;
+ }
+
+ if (GST_ELEMENT_CLASS (parent_class)->change_state)
+ return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+ return GST_STATE_SUCCESS;
+}
+
+static void
+gst_arts_loop (GstElement *element)
+{
+ GstARTS *arts = (GstARTS*)element;
+
+ g_return_if_fail (arts != NULL);
+
+// do {
+
+ gst_arts_wrapper_do(arts->wrapper);
+
+// } while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ GstElementFactory *gstarts;
+
+ parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+
+ gstarts = gst_elementfactory_new("gstarts",GST_TYPE_ARTS,&gst_arts_details);
+ g_return_val_if_fail(gstarts != NULL, FALSE);
+
+ gst_elementfactory_add_padtemplate(gstarts, GST_PADTEMPLATE_GET(sink_temp));
+// gst_elementfactory_add_padtemplate(gstarts, GST_PADTEMPLATE_GET(src_temp));
+ gst_elementfactory_add_padtemplate(gstarts, mad_src_template_factory ());
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (gstarts));
+
+ return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "gst_arts",
+ plugin_init
+};
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 15:49:54 +0000