examples: New concatenate examples.

Allows concatenating several files of the same type together

tests/examples/.gitignore

@@ -1,5 +1,4 @@
-playlist
-simple1
+concatenate
 test1
 test2
 test3

tests/examples/Makefile.am

@@ -1,4 +1,5 @@
 noinst_PROGRAMS = 	\
+	concatenate	\
 	playlist	\
 	simple1		\
 	test1		\
@@ -6,5 +7,5 @@ noinst_PROGRAMS = 	\
 	test3		\
 	test4
 
-AM_CFLAGS =  -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_CFLAGS)
-LDADD = $(top_builddir)/ges/libges-@GST_MAJORMINOR@.la -lges-@GST_MAJORMINOR@ $(GST_PROFILE_LIBS) $(GST_LIBS) 
+AM_CFLAGS =  -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_DISCOVERER_CFLAGS) $(GST_CFLAGS)
+LDADD = $(top_builddir)/ges/libges-@GST_MAJORMINOR@.la -lges-@GST_MAJORMINOR@ -lgstdiscoverer-@GST_MAJORMINOR@ $(GST_DISCOVERER_LIBS) $(GST_LIBS) 

tests/examples/concatenate.c

@@ -0,0 +1,182 @@
+/* GStreamer Editing Services
+ * Copyright (C) 2010 Edward Hervey <bilboed@bilboed.com>
+ *
+ * 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 <ges/ges.h>
+#include <gst/profile/gstprofile.h>
+#include <gst/discoverer/gstdiscoverer.h>
+
+GstDiscovererInformation *
+get_info_for_file (GstDiscoverer * disco, gchar * filename)
+{
+  GError *err;
+  gchar *path, *uri;
+
+  /* Convert to a URI */
+  if (!g_path_is_absolute (filename)) {
+    gchar *cur_dir;
+
+    cur_dir = g_get_current_dir ();
+    path = g_build_filename (cur_dir, filename, NULL);
+    g_free (cur_dir);
+  } else {
+    path = g_strdup (filename);
+  }
+
+  uri = g_filename_to_uri (path, NULL, &err);
+  g_free (path);
+  path = NULL;
+
+  /* Get information */
+  return gst_discoverer_discover_uri (disco, uri, &err);
+}
+
+static GstEncodingProfile *
+make_profile_from_info (GstDiscovererInformation * info)
+{
+  GstEncodingProfile *profile = NULL;
+
+  /* Get the container format */
+  if (info->stream_info->streamtype == GST_STREAM_CONTAINER) {
+    GstStreamContainerInformation *container =
+        GST_STREAM_CONTAINER_INFORMATION (info->stream_info);
+    GList *tmp;
+
+    profile = gst_encoding_profile_new ("concatenate",
+        gst_caps_copy (info->stream_info->caps), NULL, FALSE);
+    /* For each on the formats add stream profiles */
+    for (tmp = container->streams; tmp; tmp = tmp->next) {
+      GstStreamInformation *stream = GST_STREAM_INFORMATION (tmp->data);
+      GstStreamEncodingProfile *sprof;
+
+      sprof =
+          gst_stream_encoding_profile_new (stream->streamtype ==
+          GST_STREAM_VIDEO ? GST_ENCODING_PROFILE_VIDEO :
+          GST_ENCODING_PROFILE_AUDIO, gst_caps_copy (stream->caps), NULL,
+          NULL, 1);
+      gst_encoding_profile_add_stream (profile, sprof);
+    }
+  } else {
+    GST_ERROR ("No container format !!!");
+  }
+
+  return profile;
+}
+
+static void
+bus_message_cb (GstBus * bus, GstMessage * message, GMainLoop * mainloop)
+{
+  switch (GST_MESSAGE_TYPE (message)) {
+    case GST_MESSAGE_ERROR:
+      g_print ("ERROR\n");
+      g_main_loop_quit (mainloop);
+      break;
+    case GST_MESSAGE_EOS:
+      g_print ("Done\n");
+      g_main_loop_quit (mainloop);
+      break;
+    default:
+      break;
+  }
+}
+
+int
+main (int argc, gchar ** argv)
+{
+  GESTimelinePipeline *pipeline;
+  GESTimeline *timeline;
+  GESTimelineLayer *layer;
+  GList *sources = NULL;
+  GMainLoop *mainloop;
+  GstEncodingProfile *profile;
+  gchar *output_uri;
+  guint i;
+  gboolean gotprofile = FALSE;
+  GstDiscoverer *disco;
+  GstBus *bus;
+
+  if (argc < 3) {
+    g_print ("Usage: %s <output uri> <list of files>\n", argv[0]);
+    return -1;
+  }
+
+  gst_init (&argc, &argv);
+  ges_init ();
+
+  timeline = ges_timeline_new_audio_video ();
+
+  layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
+  if (!ges_timeline_add_layer (timeline, layer))
+    return -1;
+
+  disco = gst_discoverer_new (10 * GST_SECOND);
+
+  for (i = 2; i < argc; i++) {
+    GstDiscovererInformation *info;
+    GESTimelineFileSource *src;
+
+    info = get_info_for_file (disco, argv[i]);
+
+    if (!gotprofile) {
+      profile = make_profile_from_info (info);
+      gotprofile = TRUE;
+    }
+
+    src = ges_timeline_filesource_new (info->uri);
+    g_object_set (src, "duration", info->duration, NULL);
+    /* Since we're using a GESSimpleTimelineLayer, objects will be automatically
+     * appended to the end of the layer */
+    ges_timeline_layer_add_object (layer, (GESTimelineObject *) src);
+
+    gst_discoverer_information_free (info);
+    sources = g_list_append (sources, src);
+  }
+
+  /* In order to view our timeline, let's grab a convenience pipeline to put
+   * our timeline in. */
+  pipeline = ges_timeline_pipeline_new ();
+
+  /* Add the timeline to that pipeline */
+  if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
+    return -1;
+
+
+  /* RENDER SETTINGS ! */
+  /* We set our output URI and rendering setting on the pipeline */
+  output_uri = argv[1];
+  if (!ges_timeline_pipeline_set_render_settings (pipeline, output_uri,
+          profile))
+    return -1;
+
+  /* We want the pipeline to render (without any preview) */
+  if (!ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_SMART_RENDER))
+    return -1;
+
+
+  mainloop = g_main_loop_new (NULL, FALSE);
+
+  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+  gst_bus_add_signal_watch (bus);
+  g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), mainloop);
+
+  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
+
+  g_main_loop_run (mainloop);
+
+  return 0;
+}