multifilesink plugin for creating new files every time a new media discontinuity event occurs

Original commit message from CVS:
2004-07-22  Zaheer Abbas Merali  <zaheerabbas at merali dot org>

* configure.ac:
* gst/Makefile.am:
* gst/multifilesink/Makefile.am:
* gst/multifilesink/gstmultifilesink.c:
(gst_multifilesink_get_formats),
(gst_multifilesink_get_query_types), (_do_init),
(gst_multifilesink_base_init), (gst_multifilesink_class_init),
(gst_multifilesink_init), (gst_multifilesink_dispose),
(gst_multifilesink_set_location), (gst_multifilesink_set_property),
(gst_multifilesink_get_property), (gst_multifilesink_open_file),
(gst_multifilesink_close_file), (gst_multifilesink_next_file),
(gst_multifilesink_pad_query), (gst_multifilesink_handle_event),
(gst_multifilesink_chain), (gst_multifilesink_change_state),
(gst_multifilesink_uri_get_type),
(gst_multifilesink_uri_get_protocols),
(gst_multifilesink_uri_get_uri), (gst_multifilesink_uri_set_uri),
(gst_multifilesink_uri_handler_init), (plugin_init):
* gst/multifilesink/gstmultifilesink.h:
* testsuite/Makefile.am:
* testsuite/multifilesink/Makefile.am:
* testsuite/multifilesink/fakesrc_test.c: (gst_newmedia_base_init),
(gst_newmedia_class_init), (gst_newmedia_init),
(gst_newmedia_chain), (gst_newmedia_trigger), (test_format),
(newfile_signal), (test_signal), (main):
multifilesink plugin for creating new files every time a new media
discontinuity event occurs

5 files changed, 757 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 3902910d..b3ff6a62 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,32 @@
+2004-07-22  Zaheer Abbas Merali  <zaheerabbas at merali dot org>
+
+	* configure.ac:
+	* gst/Makefile.am:
+	* gst/multifilesink/Makefile.am:
+	* gst/multifilesink/gstmultifilesink.c:
+	(gst_multifilesink_get_formats),
+	(gst_multifilesink_get_query_types), (_do_init),
+	(gst_multifilesink_base_init), (gst_multifilesink_class_init),
+	(gst_multifilesink_init), (gst_multifilesink_dispose),
+	(gst_multifilesink_set_location), (gst_multifilesink_set_property),
+	(gst_multifilesink_get_property), (gst_multifilesink_open_file),
+	(gst_multifilesink_close_file), (gst_multifilesink_next_file),
+	(gst_multifilesink_pad_query), (gst_multifilesink_handle_event),
+	(gst_multifilesink_chain), (gst_multifilesink_change_state),
+	(gst_multifilesink_uri_get_type),
+	(gst_multifilesink_uri_get_protocols),
+	(gst_multifilesink_uri_get_uri), (gst_multifilesink_uri_set_uri),
+	(gst_multifilesink_uri_handler_init), (plugin_init):
+	* gst/multifilesink/gstmultifilesink.h:
+	* testsuite/Makefile.am:
+	* testsuite/multifilesink/Makefile.am:
+	* testsuite/multifilesink/fakesrc_test.c: (gst_newmedia_base_init),
+	(gst_newmedia_class_init), (gst_newmedia_init),
+	(gst_newmedia_chain), (gst_newmedia_trigger), (test_format),
+	(newfile_signal), (test_signal), (main):
+	multifilesink plugin for creating new files every time a new media
+	discontinuity event occurs
+
 2004-07-22  Wim Taymans  <wim@fluendo.com>
 
 	* gst/alpha/Makefile.am:
diff --git a/configure.ac b/configure.ac
index 75c21060..b4b3539b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -370,6 +370,7 @@ GST_PLUGINS_ALL="\
 	mpegaudioparse \
 	mpegstream \
 	monoscope \
+	multifilesink \
 	multipart \
 	overlay \
 	passthrough \
@@ -1835,6 +1836,7 @@ gst/mpegstream/Makefile
 gst/modplug/Makefile
 gst/modplug/libmodplug/Makefile
 gst/monoscope/Makefile
+gst/multifilesink/Makefile
 gst/multipart/Makefile
 gst/overlay/Makefile
 gst/passthrough/Makefile
@@ -1974,6 +1976,7 @@ examples/switch/Makefile
 examples/Makefile
 testsuite/spider/Makefile
 testsuite/alsa/Makefile
+testsuite/multifilesink/Makefile
 testsuite/Makefile
 tools/Makefile
 gconf/Makefile
diff --git a/gst/multifilesink/Makefile.am b/gst/multifilesink/Makefile.am
new file mode 100644
index 00000000..c59668d6
--- /dev/null
+++ b/gst/multifilesink/Makefile.am
@@ -0,0 +1,10 @@
+
+plugin_LTLIBRARIES = libgstmultifilesink.la
+
+libgstmultifilesink_la_SOURCES = gstmultifilesink.c
+libgstmultifilesink_la_CFLAGS = $(GST_CFLAGS)
+libgstmultifilesink_la_LIBADD = $(GST_LIBS) 
+libgstmultifilesink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+noinst_HEADERS = gstmultifilesink.h
+
diff --git a/gst/multifilesink/gstmultifilesink.c b/gst/multifilesink/gstmultifilesink.c
new file mode 100644
index 00000000..70c4612e
--- /dev/null
+++ b/gst/multifilesink/gstmultifilesink.c
@@ -0,0 +1,637 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstmultifilesink.c: 
+ *
+ * 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-i18n-plugin.h"
+
+#include <gst/gst.h>
+#include <errno.h>
+#include "gstmultifilesink.h"
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+
+GST_DEBUG_CATEGORY_STATIC (gst_multifilesink_debug);
+#define GST_CAT_DEFAULT gst_multifilesink_debug
+
+GstElementDetails gst_multifilesink_details =
+GST_ELEMENT_DETAILS ("Multiple File Sink",
+    "Sink/File",
+    "Write stream to multiple files sequentially",
+    "Zaheer Abbas Merali <zaheerabbas at merali dot org>");
+
+
+/* FileSink signals and args */
+enum
+{
+  /* FILL ME */
+  SIGNAL_HANDOFF,
+  SIGNAL_NEWFILE,
+  LAST_SIGNAL
+};
+
+enum
+{
+  ARG_0,
+  ARG_LOCATION
+};
+
+static const GstFormat *
+gst_multifilesink_get_formats (GstPad * pad)
+{
+  static const GstFormat formats[] = {
+    GST_FORMAT_BYTES,
+    0,
+  };
+
+  return formats;
+}
+
+static const GstQueryType *
+gst_multifilesink_get_query_types (GstPad * pad)
+{
+  static const GstQueryType types[] = {
+    GST_QUERY_TOTAL,
+    GST_QUERY_POSITION,
+    0
+  };
+
+  return types;
+}
+
+static void gst_multifilesink_dispose (GObject * object);
+
+static void gst_multifilesink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_multifilesink_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
+static gboolean gst_multifilesink_open_file (GstMultiFileSink * sink);
+static void gst_multifilesink_close_file (GstMultiFileSink * sink);
+
+static gboolean gst_multifilesink_handle_event (GstPad * pad, GstEvent * event);
+static gboolean gst_multifilesink_pad_query (GstPad * pad, GstQueryType type,
+    GstFormat * format, gint64 * value);
+static void gst_multifilesink_chain (GstPad * pad, GstData * _data);
+
+static void gst_multifilesink_uri_handler_init (gpointer g_iface,
+    gpointer iface_data);
+
+static GstElementStateReturn gst_multifilesink_change_state (GstElement *
+    element);
+
+static guint gst_multifilesink_signals[LAST_SIGNAL] = { 0 };
+
+static void
+_do_init (GType filesink_type)
+{
+  static const GInterfaceInfo urihandler_info = {
+    gst_multifilesink_uri_handler_init,
+    NULL,
+    NULL
+  };
+
+  g_type_add_interface_static (filesink_type, GST_TYPE_URI_HANDLER,
+      &urihandler_info);
+  GST_DEBUG_CATEGORY_INIT (gst_multifilesink_debug, "multifilesink", 0,
+      "multifilesink element");
+}
+
+GST_BOILERPLATE_FULL (GstMultiFileSink, gst_multifilesink, GstElement,
+    GST_TYPE_ELEMENT, _do_init);
+
+
+static void
+gst_multifilesink_base_init (gpointer g_class)
+{
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+
+  gstelement_class->change_state = gst_multifilesink_change_state;
+  gst_element_class_set_details (gstelement_class, &gst_multifilesink_details);
+}
+static void
+gst_multifilesink_class_init (GstMultiFileSinkClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION,
+      g_param_spec_string ("location", "File Location",
+          "Location of the file to write", NULL, G_PARAM_READWRITE));
+
+  gst_multifilesink_signals[SIGNAL_HANDOFF] =
+      g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+      G_STRUCT_OFFSET (GstMultiFileSinkClass, handoff), NULL, NULL,
+      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
+  gst_multifilesink_signals[SIGNAL_NEWFILE] =
+      g_signal_new ("newfile", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+      G_STRUCT_OFFSET (GstMultiFileSinkClass, newfile), NULL, NULL,
+      g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+
+  gobject_class->set_property = gst_multifilesink_set_property;
+  gobject_class->get_property = gst_multifilesink_get_property;
+  gobject_class->dispose = gst_multifilesink_dispose;
+}
+static void
+gst_multifilesink_init (GstMultiFileSink * filesink)
+{
+  GstPad *pad;
+
+  pad = gst_pad_new ("sink", GST_PAD_SINK);
+  gst_element_add_pad (GST_ELEMENT (filesink), pad);
+  gst_pad_set_chain_function (pad, gst_multifilesink_chain);
+
+  GST_FLAG_SET (GST_ELEMENT (filesink), GST_ELEMENT_EVENT_AWARE);
+
+  gst_pad_set_query_function (pad, gst_multifilesink_pad_query);
+  gst_pad_set_query_type_function (pad, gst_multifilesink_get_query_types);
+  gst_pad_set_formats_function (pad, gst_multifilesink_get_formats);
+
+  filesink->filename = NULL;
+  filesink->file = NULL;
+  filesink->curfilename = NULL;
+  filesink->curfileindex = 0;
+  filesink->numfiles = 0;
+}
+static void
+gst_multifilesink_dispose (GObject * object)
+{
+  GstMultiFileSink *sink = GST_MULTIFILESINK (object);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+
+  g_free (sink->uri);
+  sink->uri = NULL;
+  g_free (sink->filename);
+  sink->filename = NULL;
+  if (sink->curfilename)
+    g_free (sink->curfilename);
+  sink->curfilename = NULL;
+}
+
+static gboolean
+gst_multifilesink_set_location (GstMultiFileSink * sink, const gchar * location)
+{
+  GST_DEBUG ("location set is: %s", location);
+  /* the element must be stopped or paused in order to do this or in newfile 
+     signal */
+  if (GST_STATE (sink) > GST_STATE_PAUSED &&
+      !GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_NEWFILE))
+    return FALSE;
+  if (GST_STATE (sink) == GST_STATE_PAUSED &&
+      (GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_OPEN) ||
+          !GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_NEWFILE)))
+
+    return FALSE;
+
+  g_free (sink->filename);
+  g_free (sink->uri);
+  if (location != NULL) {
+    sink->filename = g_strdup (location);
+    sink->curfileindex = 0;
+    sink->curfilename = g_strdup_printf (location, sink->curfileindex);
+    sink->uri = gst_uri_construct ("file", sink->curfilename);
+  } else {
+    sink->filename = NULL;
+    sink->uri = NULL;
+  }
+
+  if (GST_STATE (sink) == GST_STATE_PAUSED &&
+      !GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_NEWFILE))
+    gst_multifilesink_open_file (sink);
+
+  return TRUE;
+}
+static void
+gst_multifilesink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstMultiFileSink *sink;
+
+  /* it's not null if we got it, but it might not be ours */
+  sink = GST_MULTIFILESINK (object);
+
+  switch (prop_id) {
+    case ARG_LOCATION:
+      if (!gst_multifilesink_set_location (sink, g_value_get_string (value)))
+        GST_DEBUG ("location not set properly");
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_multifilesink_get_property (GObject * object, guint prop_id, GValue * value,
+    GParamSpec * pspec)
+{
+  GstMultiFileSink *sink;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail (GST_IS_MULTIFILESINK (object));
+
+  sink = GST_MULTIFILESINK (object);
+
+  switch (prop_id) {
+    case ARG_LOCATION:
+      g_value_set_string (value, sink->curfilename);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static gboolean
+gst_multifilesink_open_file (GstMultiFileSink * sink)
+{
+  g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_OPEN), FALSE);
+
+  /* open the file */
+  if (sink->curfilename == NULL || sink->curfilename[0] == '\0') {
+    GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
+        (_("No file name specified for writing.")), (NULL));
+    return FALSE;
+  }
+
+  sink->file = fopen (sink->curfilename, "wb");
+  if (sink->file == NULL) {
+    GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
+        (_("Could not open file \"%s\" for writing."), sink->curfilename),
+        GST_ERROR_SYSTEM);
+    return FALSE;
+  }
+
+  GST_FLAG_SET (sink, GST_MULTIFILESINK_OPEN);
+
+  sink->data_written = 0;
+  sink->curfileindex++;
+
+  return TRUE;
+}
+
+static void
+gst_multifilesink_close_file (GstMultiFileSink * sink)
+{
+  g_return_if_fail (GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_OPEN));
+
+  if (fclose (sink->file) != 0) {
+    GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
+        (_("Error closing file \"%s\"."), sink->curfilename), GST_ERROR_SYSTEM);
+  } else {
+    GST_FLAG_UNSET (sink, GST_MULTIFILESINK_OPEN);
+  }
+}
+
+static gboolean
+gst_multifilesink_next_file (GstMultiFileSink * sink)
+{
+  GST_DEBUG ("next file");
+  g_return_val_if_fail (GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_OPEN), FALSE);
+
+  if (fclose (sink->file) != 0) {
+    GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
+        (_("Error closing file \"%s\"."), sink->curfilename), GST_ERROR_SYSTEM);
+  } else {
+    GST_FLAG_UNSET (sink, GST_MULTIFILESINK_OPEN);
+  }
+
+  g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_MULTIFILESINK_OPEN), FALSE);
+  if (sink->curfilename)
+    g_free (sink->curfilename);
+  if (sink->uri)
+    g_free (sink->uri);
+  sink->curfilename = g_strdup_printf (sink->filename, sink->curfileindex);
+  sink->uri = gst_uri_construct ("file", sink->curfilename);
+  GST_DEBUG ("Next file is: %s", sink->curfilename);
+  /* open the file */
+  if (sink->curfilename == NULL || sink->curfilename[0] == '\0') {
+    GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
+        (_("No file name specified for writing.")), (NULL));
+    return FALSE;
+  }
+
+  sink->file = fopen (sink->curfilename, "wb");
+  if (sink->file == NULL) {
+    GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
+        (_("Could not open file \"%s\" for writing."), sink->curfilename),
+        GST_ERROR_SYSTEM);
+    return FALSE;
+  }
+
+  GST_FLAG_SET (sink, GST_MULTIFILESINK_OPEN);
+
+  sink->data_written = 0;
+  sink->curfileindex++;
+
+  return TRUE;
+}
+
+static gboolean
+gst_multifilesink_pad_query (GstPad * pad, GstQueryType type,
+    GstFormat * format, gint64 * value)
+{
+  GstMultiFileSink *sink = GST_MULTIFILESINK (GST_PAD_PARENT (pad));
+
+  switch (type) {
+    case GST_QUERY_TOTAL:
+      switch (*format) {
+        case GST_FORMAT_BYTES:
+          if (GST_FLAG_IS_SET (GST_ELEMENT (sink), GST_MULTIFILESINK_OPEN)) {
+            *value = sink->data_written;        /* FIXME - doesn't the kernel provide
+                                                   such a function? */
+            break;
+          }
+        default:
+          return FALSE;
+      }
+      break;
+    case GST_QUERY_POSITION:
+      switch (*format) {
+        case GST_FORMAT_BYTES:
+          if (GST_FLAG_IS_SET (GST_ELEMENT (sink), GST_MULTIFILESINK_OPEN)) {
+            *value = ftell (sink->file);
+            break;
+          }
+        default:
+          return FALSE;
+      }
+      break;
+    default:
+      return FALSE;
+  }
+
+  return TRUE;
+}
+
+/* handle events (search) */
+static gboolean
+gst_multifilesink_handle_event (GstPad * pad, GstEvent * event)
+{
+  GstEventType type;
+  GstMultiFileSink *filesink;
+
+  filesink = GST_MULTIFILESINK (gst_pad_get_parent (pad));
+
+
+  if (!(GST_FLAG_IS_SET (filesink, GST_MULTIFILESINK_OPEN))) {
+    gst_event_unref (event);
+    return FALSE;
+  }
+
+
+  type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
+  switch (type) {
+    case GST_EVENT_SEEK:
+      if (GST_EVENT_SEEK_FORMAT (event) != GST_FORMAT_BYTES) {
+        gst_event_unref (event);
+        return FALSE;
+      }
+
+      if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH) {
+        if (fflush (filesink->file)) {
+          gst_event_unref (event);
+          GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
+              (_("Error while writing to file \"%s\"."), filesink->filename),
+              GST_ERROR_SYSTEM);
+        }
+      }
+
+      switch (GST_EVENT_SEEK_METHOD (event)) {
+        case GST_SEEK_METHOD_SET:
+          fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_SET);
+          break;
+        case GST_SEEK_METHOD_CUR:
+          fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_CUR);
+          break;
+        case GST_SEEK_METHOD_END:
+          fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_END);
+          break;
+        default:
+          g_warning ("unknown seek method!");
+          break;
+      }
+      gst_event_unref (event);
+      break;
+    case GST_EVENT_DISCONTINUOUS:
+    {
+      gint64 offset;
+
+      if (GST_EVENT_DISCONT_NEW_MEDIA (event)) {
+        /* do not create a new file on the first new media discont */
+        if (filesink->numfiles > 0) {
+          GST_FLAG_SET (filesink, GST_MULTIFILESINK_NEWFILE);
+          g_signal_emit (G_OBJECT (filesink),
+              gst_multifilesink_signals[SIGNAL_NEWFILE], 0);
+          GST_FLAG_UNSET (filesink, GST_MULTIFILESINK_NEWFILE);
+          if (!gst_multifilesink_next_file (filesink))
+            GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
+                (_("Error switching files to \"%s\"."),
+                    filesink->curfilename), GST_ERROR_SYSTEM);
+        }
+        filesink->numfiles++;
+        gst_event_unref (event);
+        break;
+      } else {
+
+        if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &offset))
+          fseek (filesink->file, offset, SEEK_SET);
+
+        gst_event_unref (event);
+        break;
+      }
+    }
+    case GST_EVENT_FLUSH:
+      if (fflush (filesink->file)) {
+        gst_event_unref (event);
+        GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
+            (_("Error while writing to file \"%s\"."), filesink->curfilename),
+            GST_ERROR_SYSTEM);
+      }
+      break;
+    case GST_EVENT_EOS:
+      gst_event_unref (event);
+      gst_multifilesink_close_file (filesink);
+      gst_element_set_eos (GST_ELEMENT (filesink));
+      break;
+    default:
+      gst_pad_event_default (pad, event);
+      break;
+  }
+
+  return TRUE;
+}
+
+/**
+ * gst_filesink_chain:
+ * @pad: the pad this filesink is connected to
+ * @buf: the buffer that has to be absorbed
+ *
+ * take the buffer from the pad and write to file if it's open
+ */
+static void
+gst_multifilesink_chain (GstPad * pad, GstData * _data)
+{
+  GstBuffer *buf = GST_BUFFER (_data);
+  GstMultiFileSink *filesink;
+
+  g_return_if_fail (pad != NULL);
+  g_return_if_fail (GST_IS_PAD (pad));
+  g_return_if_fail (buf != NULL);
+
+  filesink = GST_MULTIFILESINK (gst_pad_get_parent (pad));
+
+  if (GST_IS_EVENT (buf)) {
+    gst_multifilesink_handle_event (pad, GST_EVENT (buf));
+    return;
+  }
+
+  if (GST_FLAG_IS_SET (filesink, GST_MULTIFILESINK_OPEN)) {
+    guint bytes_written = 0, back_pending = 0;
+
+    if (ftell (filesink->file) < filesink->data_written)
+      back_pending = filesink->data_written - ftell (filesink->file);
+    while (bytes_written < GST_BUFFER_SIZE (buf)) {
+      size_t wrote = fwrite (GST_BUFFER_DATA (buf) + bytes_written, 1,
+          GST_BUFFER_SIZE (buf) - bytes_written,
+          filesink->file);
+
+      if (wrote <= 0) {
+        GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
+            (_("Error while writing to file \"%s\"."), filesink->filename),
+            ("Only %d of %d bytes written: %s",
+                bytes_written, GST_BUFFER_SIZE (buf), strerror (errno)));
+        break;
+      }
+      bytes_written += wrote;
+    }
+
+    filesink->data_written += bytes_written - back_pending;
+  }
+
+  gst_buffer_unref (buf);
+
+  g_signal_emit (G_OBJECT (filesink),
+      gst_multifilesink_signals[SIGNAL_HANDOFF], 0, filesink);
+}
+
+static GstElementStateReturn
+gst_multifilesink_change_state (GstElement * element)
+{
+  g_return_val_if_fail (GST_IS_MULTIFILESINK (element), GST_STATE_FAILURE);
+
+  switch (GST_STATE_TRANSITION (element)) {
+    case GST_STATE_PAUSED_TO_READY:
+      if (GST_FLAG_IS_SET (element, GST_MULTIFILESINK_OPEN))
+        gst_multifilesink_close_file (GST_MULTIFILESINK (element));
+      break;
+
+    case GST_STATE_READY_TO_PAUSED:
+      if (!GST_FLAG_IS_SET (element, GST_MULTIFILESINK_OPEN)) {
+        if (!gst_multifilesink_open_file (GST_MULTIFILESINK (element)))
+          return GST_STATE_FAILURE;
+      }
+      break;
+  }
+
+  if (GST_ELEMENT_CLASS (parent_class)->change_state)
+    return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
+  return GST_STATE_SUCCESS;
+}
+
+/*** GSTURIHANDLER INTERFACE *************************************************/
+
+static guint
+gst_multifilesink_uri_get_type (void)
+{
+  return GST_URI_SINK;
+}
+static gchar **
+gst_multifilesink_uri_get_protocols (void)
+{
+  static gchar *protocols[] = { "file", NULL };
+
+  return protocols;
+}
+static const gchar *
+gst_multifilesink_uri_get_uri (GstURIHandler * handler)
+{
+  GstMultiFileSink *sink = GST_MULTIFILESINK (handler);
+
+  return sink->uri;
+}
+
+static gboolean
+gst_multifilesink_uri_set_uri (GstURIHandler * handler, const gchar * uri)
+{
+  gchar *protocol, *location;
+  gboolean ret;
+  GstMultiFileSink *sink = GST_MULTIFILESINK (handler);
+
+  protocol = gst_uri_get_protocol (uri);
+  if (strcmp (protocol, "file") != 0) {
+    g_free (protocol);
+    return FALSE;
+  }
+  g_free (protocol);
+  location = gst_uri_get_location (uri);
+  ret = gst_multifilesink_set_location (sink, location);
+  g_free (location);
+
+  return ret;
+}
+
+static void
+gst_multifilesink_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+  GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+
+  iface->get_type = gst_multifilesink_uri_get_type;
+  iface->get_protocols = gst_multifilesink_uri_get_protocols;
+  iface->get_uri = gst_multifilesink_uri_get_uri;
+  iface->set_uri = gst_multifilesink_uri_set_uri;
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+  return gst_element_register (plugin, "multifilesink", GST_RANK_NONE,
+      GST_TYPE_MULTIFILESINK);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "gstmultifilesink",
+    "multiple file sink (sequentially) after new media events",
+    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
diff --git a/gst/multifilesink/gstmultifilesink.h b/gst/multifilesink/gstmultifilesink.h
new file mode 100644
index 00000000..4f0d60a1
--- /dev/null
+++ b/gst/multifilesink/gstmultifilesink.h
@@ -0,0 +1,78 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstmultifilesink.h: 
+ *
+ * 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_MULTIFILESINK_H__
+#define __GST_MULTIFILESINK_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+
+#define GST_TYPE_MULTIFILESINK \
+  (gst_multifilesink_get_type())
+#define GST_MULTIFILESINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTIFILESINK,GstMultiFileSink))
+#define GST_FILESINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTIFILESINK,GstMultiFileSinkClass))
+#define GST_IS_MULTIFILESINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTIFILESINK))
+#define GST_IS_MULTIFILESINK_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTIFILESINK))
+
+typedef struct _GstMultiFileSink GstMultiFileSink;
+typedef struct _GstMultiFileSinkClass GstMultiFileSinkClass;
+
+typedef enum {
+  GST_MULTIFILESINK_OPEN             = GST_ELEMENT_FLAG_LAST,
+  GST_MULTIFILESINK_NEWFILE = GST_ELEMENT_FLAG_LAST +2,
+
+  GST_MULTIFILESINK_FLAG_LAST 	= GST_ELEMENT_FLAG_LAST + 4
+} GstMultiFileSinkFlags;
+
+struct _GstMultiFileSink {
+  GstElement element;
+
+  gchar *filename;
+  gchar *uri;
+  gint curfileindex;
+  gchar* curfilename;
+  gint numfiles;
+  FILE *file;
+
+  guint64 data_written;
+};
+
+struct _GstMultiFileSinkClass {
+  GstElementClass parent_class;
+
+  /* signals */
+  void (*handoff) (GstElement *element, GstPad *pad);
+  void (*newfile) (GstElement *element);
+};
+
+GType gst_multifilesink_get_type(void);
+
+G_END_DECLS
+
+#endif /* __GST_MULTIFILESINK_H__ */