1 files changed, 261 insertions, 0 deletions
diff --git a/gst/app/gstappsrc.c b/gst/app/gstappsrc.c
new file mode 100644
index 00000000..1d5b45c6
--- /dev/null
+++ b/gst/app/gstappsrc.c
@@ -0,0 +1,261 @@
+/* GStreamer
+ * Copyright (C) 2007 David Schleef <ds@schleef.org>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "gstappsrc.h"
+
+
+GST_DEBUG_CATEGORY (app_src_debug);
+#define GST_CAT_DEFAULT app_src_debug
+
+static const GstElementDetails app_src_details = GST_ELEMENT_DETAILS ("AppSrc",
+    "FIXME",
+    "FIXME",
+    "autogenerated by makefilter");
+
+enum
+{
+  PROP_0
+};
+
+static GstStaticPadTemplate gst_app_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+
+static void gst_app_src_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_app_src_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+static void gst_app_src_dispose (GObject * object);
+static GstFlowReturn gst_app_src_create (GstPushSrc * psrc, GstBuffer ** buf);
+static gboolean gst_app_src_start (GstBaseSrc * psrc);
+static gboolean gst_app_src_stop (GstBaseSrc * psrc);
+static gboolean gst_app_src_unlock (GstBaseSrc * psrc);
+
+GST_BOILERPLATE (GstAppSrc, gst_app_src, GstPushSrc, GST_TYPE_PUSH_SRC);
+
+static void
+gst_app_src_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  //GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
+
+  GST_DEBUG_CATEGORY_INIT (app_src_debug, "appsrc", 0, "appsrc element");
+
+  gst_element_class_set_details (element_class, &app_src_details);
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_app_src_template));
+
+}
+
+static void
+gst_app_src_class_init (GstAppSrcClass * klass)
+{
+  GObjectClass *gobject_class = (GObjectClass *) klass;
+  GstPushSrcClass *pushsrc_class = (GstPushSrcClass *) klass;
+  GstBaseSrcClass *basesrc_class = (GstBaseSrcClass *) klass;
+
+  gobject_class->set_property = gst_app_src_set_property;
+  gobject_class->get_property = gst_app_src_get_property;
+  gobject_class->dispose = gst_app_src_dispose;
+
+  pushsrc_class->create = gst_app_src_create;
+  basesrc_class->start = gst_app_src_start;
+  basesrc_class->stop = gst_app_src_stop;
+  basesrc_class->unlock = gst_app_src_unlock;
+}
+
+static void
+gst_app_src_dispose (GObject * obj)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (obj);
+
+  g_mutex_free (appsrc->mutex);
+  g_cond_free (appsrc->cond);
+  g_queue_free (appsrc->queue);
+}
+
+static void
+gst_app_src_init (GstAppSrc * appsrc, GstAppSrcClass * klass)
+{
+  appsrc->mutex = g_mutex_new ();
+  appsrc->cond = g_cond_new ();
+  appsrc->queue = g_queue_new ();
+}
+
+static void
+gst_app_src_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (object);
+
+  GST_OBJECT_LOCK (appsrc);
+  switch (prop_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+  GST_OBJECT_UNLOCK (appsrc);
+}
+
+static void
+gst_app_src_get_property (GObject * object, guint prop_id, GValue * value,
+    GParamSpec * pspec)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (object);
+
+  GST_OBJECT_LOCK (appsrc);
+  switch (prop_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+  GST_OBJECT_UNLOCK (appsrc);
+}
+
+static gboolean
+gst_app_src_start (GstBaseSrc * psrc)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (psrc);
+
+  appsrc->unlock = FALSE;
+
+#if 0
+  /* FIXME: I don't know if this makes sense */
+  appsrc->end_of_stream = FALSE;
+  appsrc->flush = FALSE;
+#endif
+
+  return TRUE;
+}
+
+static gboolean
+gst_app_src_stop (GstBaseSrc * psrc)
+{
+  //GstAppSrc *appsrc = GST_APP_SRC(psrc);
+
+  return TRUE;
+}
+
+static gboolean
+gst_app_src_unlock (GstBaseSrc * psrc)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (psrc);
+
+  appsrc->unlock = TRUE;
+  g_cond_signal (appsrc->cond);
+
+  return TRUE;
+}
+
+static GstFlowReturn
+gst_app_src_create (GstPushSrc * psrc, GstBuffer ** buf)
+{
+  GstAppSrc *appsrc = GST_APP_SRC (psrc);
+  int ret = GST_FLOW_ERROR;
+
+  g_mutex_lock (appsrc->mutex);
+
+  while (1) {
+    if (!g_queue_is_empty (appsrc->queue)) {
+      *buf = g_queue_pop_head (appsrc->queue);
+
+      gst_buffer_set_caps (*buf, appsrc->caps);
+
+      ret = GST_FLOW_OK;
+      break;
+    }
+    if (appsrc->end_of_stream) {
+      appsrc->end_of_stream = FALSE;
+      ret = GST_FLOW_UNEXPECTED;
+      break;
+    }
+    if (appsrc->flush) {
+      appsrc->flush = FALSE;
+      /* FIXME: I don't really know how to do this */
+      break;
+    }
+    g_cond_wait (appsrc->cond, appsrc->mutex);
+  }
+
+  g_mutex_unlock (appsrc->mutex);
+
+  return ret;
+}
+
+
+/* external API */
+
+void
+gst_app_src_push_buffer (GstAppSrc * appsrc, GstBuffer * buffer)
+{
+  g_mutex_lock (appsrc->mutex);
+
+  g_queue_push_tail (appsrc->queue, buffer);
+
+  g_cond_signal (appsrc->cond);
+  g_mutex_unlock (appsrc->mutex);
+}
+
+void
+gst_app_src_set_caps (GstAppSrc * appsrc, GstCaps * caps)
+{
+  gst_caps_replace (&appsrc->caps, caps);
+}
+
+void
+gst_app_src_flush (GstAppSrc * appsrc)
+{
+  GstBuffer *buffer;
+
+  g_mutex_lock (appsrc->mutex);
+
+  while ((buffer = g_queue_pop_head (appsrc->queue))) {
+    gst_buffer_unref (buffer);
+  }
+  appsrc->flush = TRUE;
+
+  g_cond_signal (appsrc->cond);
+  g_mutex_unlock (appsrc->mutex);
+}
+
+void
+gst_app_src_end_of_stream (GstAppSrc * appsrc)
+{
+  g_mutex_lock (appsrc->mutex);
+
+  appsrc->end_of_stream = TRUE;
+
+  g_cond_signal (appsrc->cond);
+  g_mutex_unlock (appsrc->mutex);
+}