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-rw-r--r--gst/app/Makefile.am18
-rw-r--r--gst/app/gstapp.c41
-rw-r--r--gst/app/gstappsrc.c261
-rw-r--r--gst/app/gstappsrc.h71
4 files changed, 391 insertions, 0 deletions
diff --git a/gst/app/Makefile.am b/gst/app/Makefile.am
new file mode 100644
index 00000000..d232d330
--- /dev/null
+++ b/gst/app/Makefile.am
@@ -0,0 +1,18 @@
+lib_LTLIBRARIES = libgstapp-0.10.la
+
+plugin_LTLIBRARIES = libgstapp.la
+
+libgstapp_la_SOURCES = gstapp.c
+libgstapp_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
+ $(GST_PLUGINS_BASE_CFLAGS)
+libgstapp_la_LIBADD = $(GST_BASE_LIBS) libgstapp-0.10.la
+libgstapp_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+libgstapp_0_10_la_SOURCES = gstappsrc.c
+libgstapp_0_10_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
+ $(GST_PLUGINS_BASE_CFLAGS)
+libgstapp_0_10_la_LIBADD = $(GST_BASE_LIBS)
+libgstapp_0_10_la_LDFLAGS = $(GST_LDFLAGS)
+
+noinst_HEADERS = gstappsrc.h
+
diff --git a/gst/app/gstapp.c b/gst/app/gstapp.c
new file mode 100644
index 00000000..077c8707
--- /dev/null
+++ b/gst/app/gstapp.c
@@ -0,0 +1,41 @@
+/* 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 "gstappsrc.h"
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ GST_DEBUG_CATEGORY_INIT (app_src_debug, "appsrc", 0, "appsrc");
+
+ return gst_element_register (plugin, "appsrc", GST_RANK_NONE,
+ GST_TYPE_APP_SRC);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "app",
+ "Elements used to communicate with applications",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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);
+}
diff --git a/gst/app/gstappsrc.h b/gst/app/gstappsrc.h
new file mode 100644
index 00000000..48990bf9
--- /dev/null
+++ b/gst/app/gstappsrc.h
@@ -0,0 +1,71 @@
+/* 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.
+ */
+
+#ifndef _GST_APP_SRC_H_
+#define _GST_APP_SRC_H_
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+
+#define GST_TYPE_APP_SRC \
+ (gst_app_src_get_type())
+#define GST_APP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SRC,GstAppSrc))
+#define GST_APP_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SRC,GstAppSrcClass))
+#define GST_IS_APP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SRC))
+#define GST_IS_APP_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SRC))
+
+typedef struct _GstAppSrc GstAppSrc;
+typedef struct _GstAppSrcClass GstAppSrcClass;
+
+struct _GstAppSrc
+{
+ GstPushSrc pushsrc;
+
+ /*< private >*/
+ gboolean unlock;
+ GCond *cond;
+ GMutex *mutex;
+ GQueue *queue;
+ GstCaps *caps;
+ gboolean end_of_stream;
+ gboolean flush;
+};
+
+struct _GstAppSrcClass
+{
+ GstPushSrcClass pushsrc_class;
+};
+
+GType gst_app_src_get_type(void);
+
+GST_DEBUG_CATEGORY_EXTERN (app_src_debug);
+
+
+void gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer);
+void gst_app_src_set_caps (GstAppSrc *appsrc, GstCaps *caps);
+void gst_app_src_flush (GstAppSrc *appsrc);
+void gst_app_src_end_of_stream (GstAppSrc *appsrc);
+
+
+#endif
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-05 20:58:47 +0000