Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2

[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / tests / icles / playbin-text.c

diff --git a/gst-plugins-base-subtitles0.10/tests/icles/playbin-text.c b/gst-plugins-base-subtitles0.10/tests/icles/playbin-text.c
new file mode 100644 (file)
index 0000000..8fc3107
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/tests/icles/playbin-text.c
@@ -0,0 +1,178 @@
+/* GStreamer
+ *
+ * Copyright (C) 2009 Wim Taymans <wim.taymans@gmail.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 <gst/gst.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+typedef struct _App App;
+
+struct _App
+{
+  GstElement *playbin;
+  GstElement *textsink;
+
+  GMainLoop *loop;
+};
+
+static App s_app;
+
+static gboolean
+bus_message (GstBus * bus, GstMessage * message, App * app)
+{
+  GST_DEBUG ("got message %s",
+      gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
+
+  switch (GST_MESSAGE_TYPE (message)) {
+    case GST_MESSAGE_ERROR:
+    {
+      GError *gerror;
+      gchar *debug;
+
+      gst_message_parse_error (message, &gerror, &debug);
+      gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+      g_error_free (gerror);
+      g_free (debug);
+
+      g_main_loop_quit (app->loop);
+      break;
+    }
+    case GST_MESSAGE_WARNING:
+    {
+      GError *gerror;
+      gchar *debug;
+
+      gst_message_parse_warning (message, &gerror, &debug);
+      gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+      g_error_free (gerror);
+      g_free (debug);
+
+      g_main_loop_quit (app->loop);
+      break;
+    }
+    case GST_MESSAGE_EOS:
+      g_message ("received EOS");
+      g_main_loop_quit (app->loop);
+      break;
+    default:
+      break;
+  }
+  return TRUE;
+}
+
+static void
+have_subtitle (GstElement * appsink, App * app)
+{
+  GstBuffer *buffer;
+
+  /* get the buffer, we can also wakeup the mainloop to get the subtitle from
+   * appsink in the mainloop */
+  g_signal_emit_by_name (appsink, "pull-buffer", &buffer);
+
+  if (buffer) {
+    guint8 *data;
+    guint size;
+    GstFormat format;
+    gint64 position;
+    GstClock *clock;
+    GstClockTime base_time, running_time;
+
+    format = GST_FORMAT_TIME;
+    gst_element_query_position (appsink, &format, &position);
+
+    clock = gst_element_get_clock (appsink);
+    base_time = gst_element_get_base_time (appsink);
+
+    running_time = gst_clock_get_time (clock) - base_time;
+
+    gst_object_unref (clock);
+
+    g_message ("received a subtitle at position %" GST_TIME_FORMAT
+        ", running_time %" GST_TIME_FORMAT, GST_TIME_ARGS (position),
+        GST_TIME_ARGS (running_time));
+
+    data = GST_BUFFER_DATA (buffer);
+    size = GST_BUFFER_SIZE (buffer);
+
+    gst_util_dump_mem (data, size);
+  }
+}
+
+int
+main (int argc, char *argv[])
+{
+  App *app = &s_app;
+  GstBus *bus;
+  GstCaps *subcaps;
+
+  gst_init (&argc, &argv);
+
+  if (argc < 2) {
+    g_print ("usage: %s <filename>\n", argv[0]);
+    return -1;
+  }
+
+  /* create a mainloop to get messages */
+  app->loop = g_main_loop_new (NULL, TRUE);
+
+  app->playbin = gst_element_factory_make ("playbin2", NULL);
+  g_assert (app->playbin);
+
+  /* set appsink to get the subtitles */
+  app->textsink = gst_element_factory_make ("appsink", "subtitle_sink");
+  g_object_set (G_OBJECT (app->textsink), "emit-signals", TRUE, NULL);
+  g_object_set (G_OBJECT (app->textsink), "ts-offset", 0 * GST_SECOND, NULL);
+  g_signal_connect (app->textsink, "new-buffer", G_CALLBACK (have_subtitle),
+      app);
+  subcaps = gst_caps_from_string ("text/x-pango-markup; text/plain");
+  g_object_set (G_OBJECT (app->textsink), "caps", subcaps, NULL);
+  gst_caps_unref (subcaps);
+
+  g_object_set (G_OBJECT (app->playbin), "text-sink", app->textsink, NULL);
+
+  bus = gst_pipeline_get_bus (GST_PIPELINE (app->playbin));
+
+  /* add watch for messages */
+  gst_bus_add_watch (bus, (GstBusFunc) bus_message, app);
+
+  /* set to read from appsrc */
+  g_object_set (app->playbin, "uri", argv[1], NULL);
+
+  /* go to playing and wait in a mainloop. */
+  gst_element_set_state (app->playbin, GST_STATE_PLAYING);
+
+  /* this mainloop is stopped when we receive an error or EOS */
+  g_main_loop_run (app->loop);
+
+  g_message ("stopping");
+
+  gst_element_set_state (app->playbin, GST_STATE_NULL);
+
+  gst_object_unref (bus);
+  g_main_loop_unref (app->loop);
+
+  return 0;
+}