add thumbnailing example which tests rest of thumbnailing api

diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am
index 49970aa..0b7e888 100644 (file)
--- a/tests/examples/Makefile.am
+++ b/tests/examples/Makefile.am
@@ -6,6 +6,7 @@ noinst_PROGRAMS =       \
        test3           \
        test4           \
        transition\
+       thumbnails\
        overlays
 
 AM_CFLAGS =  -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_DISCOVERER_CFLAGS) $(GST_CFLAGS)

diff --git a/tests/examples/thumbnails.c b/tests/examples/thumbnails.c
new file mode 100644 (file)
index 0000000..a2bf082
--- /dev/null
+++ b/tests/examples/thumbnails.c
@@ -0,0 +1,195 @@
+/* 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <ges/ges.h>
+#include <gst/profile/gstprofile.h>
+#include <regex.h>
+
+/* GLOBAL VARIABLE */
+static guint repeat = 0;
+GESTimelinePipeline *pipeline = NULL;
+
+static gboolean thumbnail_cb (gpointer pipeline);
+
+#define TEST_PATH "test_thumbnail.jpg"
+
+static gboolean
+thumbnail_cb (gpointer user)
+{
+  GstBuffer *b = NULL;
+  GstCaps *caps;
+  GESTimelinePipeline *p;
+
+  p = GES_TIMELINE_PIPELINE (user);
+
+  caps = gst_caps_from_string ("image/jpeg");
+  GST_INFO ("getting thumbnails");
+
+  /* check raw rgb use-case with scaling */
+  b = ges_timeline_pipeline_get_thumbnail_rgb24 (p, 320, 240);
+  g_assert (b);
+  gst_buffer_unref (b);
+
+  /* check encoding use-case from caps */
+  b = NULL;
+  b = ges_timeline_pipeline_get_thumbnail_buffer (p, caps);
+  g_assert (b);
+  gst_buffer_unref (b);
+
+  g_assert (ges_timeline_pipeline_save_thumbnail (p, -1, -1, (gchar *)
+          "image/jpeg", (gchar *) TEST_PATH));
+  g_assert (g_file_test (TEST_PATH, G_FILE_TEST_EXISTS));
+  g_unlink (TEST_PATH);
+
+  gst_caps_unref (caps);
+  return FALSE;
+}
+
+static GESTimelinePipeline *
+create_timeline (void)
+{
+  GESTimelinePipeline *pipeline;
+  GESTimelineLayer *layer;
+  GESTrack *tracka, *trackv;
+  GESTimeline *timeline;
+  GESTimelineObject *src;
+
+  timeline = ges_timeline_new ();
+
+  tracka = ges_track_audio_raw_new ();
+  trackv = ges_track_video_raw_new ();
+
+  layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
+
+  /* Add the tracks and the layer to the timeline */
+  if (!ges_timeline_add_layer (timeline, layer) ||
+      !ges_timeline_add_track (timeline, tracka) ||
+      !ges_timeline_add_track (timeline, trackv))
+    return NULL;
+
+  /* Add the main audio/video file */
+  src = GES_TIMELINE_OBJECT (ges_timeline_test_source_new ());
+  g_object_set (src,
+      "vpattern", GES_VIDEO_TEST_PATTERN_SNOW,
+      "duration", 10 * GST_SECOND, NULL);
+
+  ges_simple_timeline_layer_add_object ((GESSimpleTimelineLayer *) layer,
+      GES_TIMELINE_OBJECT (src), 0);
+
+  pipeline = ges_timeline_pipeline_new ();
+
+  if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
+    return NULL;
+
+  return pipeline;
+}
+
+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:
+      if (repeat > 0) {
+        g_print ("Looping again\n");
+        /* No need to change state before */
+        gst_element_seek_simple (GST_ELEMENT (pipeline), GST_FORMAT_TIME,
+            GST_SEEK_FLAG_FLUSH, 0);
+        gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
+        repeat -= 1;
+      } else {
+        g_print ("Done\n");
+        g_main_loop_quit (mainloop);
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+int
+main (int argc, gchar ** argv)
+{
+  GError *err = NULL;
+  GOptionEntry options[] = {
+    {NULL}
+  };
+  GOptionContext *ctx;
+  GMainLoop *mainloop;
+  GstBus *bus;
+
+  if (!g_thread_supported ())
+    g_thread_init (NULL);
+
+  ctx = g_option_context_new ("tests thumbnail supoprt (produces no output)");
+  g_option_context_set_summary (ctx, "");
+  g_option_context_add_main_entries (ctx, options, NULL);
+  g_option_context_add_group (ctx, gst_init_get_option_group ());
+
+  if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
+    g_print ("Error initializing: %s\n", err->message);
+    g_option_context_free (ctx);
+    exit (1);
+  }
+
+  g_option_context_free (ctx);
+  /* Initialize the GStreamer Editing Services */
+  ges_init ();
+
+  /* Create the pipeline */
+  pipeline = create_timeline ();
+  if (!pipeline)
+    exit (-1);
+
+  ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW);
+
+  /* Play the pipeline */
+  mainloop = g_main_loop_new (NULL, FALSE);
+
+  g_print ("thumbnailing every 1 seconds\n");
+  g_timeout_add (1000, thumbnail_cb, pipeline);
+
+  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);
+
+  if (gst_element_set_state (GST_ELEMENT (pipeline),
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
+    g_print ("Failed to start the encoding\n");
+    return 1;
+  }
+  g_main_loop_run (mainloop);
+
+  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
+  gst_object_unref (pipeline);
+
+  return 0;
+}