gstevent.c

gnash 在pc和嵌入式下开发需要的源码

/* GStreamer
 * Copyright (C) 2005 Jan Schmidt <[e-mail]>
 *
 * gstevent.c: Unit test for event handling
 *
 * 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 <gst/check/gstcheck.h>

GST_START_TEST (create_custom_events)
{
  GstEvent *event, *event2;
  GstStructure *structure;

  /* FLUSH_START */
  {
    event = gst_event_new_flush_start ();
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START);
    fail_unless (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_if (GST_EVENT_IS_SERIALIZED (event));
    gst_event_unref (event);
  }
  /* FLUSH_STOP */
  {
    event = gst_event_new_flush_stop ();
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP);
    fail_unless (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_unless (GST_EVENT_IS_SERIALIZED (event));
    gst_event_unref (event);
  }
  /* EOS */
  {
    event = gst_event_new_eos ();
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_EOS);
    fail_if (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_unless (GST_EVENT_IS_SERIALIZED (event));
    gst_event_unref (event);
  }
  /* NEWSEGMENT */
  {
    gdouble rate, applied_rate;
    GstFormat format;
    gint64 start, end, base;
    gboolean update;

    event =
        gst_event_new_new_segment (FALSE, 0.5, GST_FORMAT_TIME, 1, G_MAXINT64,
        0xdeadbeef);
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT);
    fail_if (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_unless (GST_EVENT_IS_SERIALIZED (event));

    gst_event_parse_new_segment (event, &update, &rate, &format, &start, &end,
        &base);
    fail_unless (update == FALSE);
    fail_unless (rate == 0.5);
    fail_unless (format == GST_FORMAT_TIME);
    fail_unless (start == 1);
    fail_unless (end == G_MAXINT64);
    fail_unless (base == 0xdeadbeef);

    /* Check that the new segment was created with applied_rate of 1.0 */
    gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
        &format, &start, &end, &base);

    fail_unless (update == FALSE);
    fail_unless (rate == 0.5);
    fail_unless (applied_rate == 1.0);
    fail_unless (format == GST_FORMAT_TIME);
    fail_unless (start == 1);
    fail_unless (end == G_MAXINT64);

    gst_event_unref (event);

    event =
        gst_event_new_new_segment_full (TRUE, 0.75, 0.5, GST_FORMAT_BYTES, 0,
        G_MAXINT64 - 1, 0xdeadbeef);

    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT);
    fail_if (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_unless (GST_EVENT_IS_SERIALIZED (event));

    gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
        &format, &start, &end, &base);

    fail_unless (update == TRUE);
    fail_unless (rate == 0.75);
    fail_unless (applied_rate == 0.5);
    fail_unless (format == GST_FORMAT_BYTES);
    fail_unless (start == 0);
    fail_unless (end == (G_MAXINT64 - 1));

    gst_event_unref (event);
  }

  /* TAGS */
  {
    GstTagList *taglist = gst_tag_list_new ();
    GstTagList *tl2 = NULL;

    event = gst_event_new_tag (taglist);
    fail_if (taglist == NULL);
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_TAG);
    fail_if (GST_EVENT_IS_UPSTREAM (event));
    fail_unless (GST_EVENT_IS_DOWNSTREAM (event));
    fail_unless (GST_EVENT_IS_SERIALIZED (event));

    gst_event_parse_tag (event, &tl2);
    fail_unless (taglist == tl2);
    gst_event_unref (event);
  }

  /* FIXME: Add tests for QOS when it is implemented. */

  /* SEEK */
  {
    gdouble rate;
    GstFormat format;
    GstSeekFlags flags;
    GstSeekType cur_type, stop_type;
    gint64 cur, stop;

    event = gst_event_new_seek (0.5, GST_FORMAT_BYTES,
        GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
        GST_SEEK_TYPE_SET, 1, GST_SEEK_TYPE_NONE, 0xdeadbeef);

    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_SEEK);
    fail_unless (GST_EVENT_IS_UPSTREAM (event));
    fail_if (GST_EVENT_IS_DOWNSTREAM (event));
    fail_if (GST_EVENT_IS_SERIALIZED (event));

    gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
        &stop_type, &stop);
    fail_unless (rate == 0.5);
    fail_unless (format == GST_FORMAT_BYTES);
    fail_unless (flags == (GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE));
    fail_unless (cur_type == GST_SEEK_TYPE_SET);
    fail_unless (cur == 1);
    fail_unless (stop_type == GST_SEEK_TYPE_NONE);
    fail_unless (stop == 0xdeadbeef);

    gst_event_unref (event);
  }

  /* NAVIGATION */
  {
    structure = gst_structure_new ("application/x-gst-navigation", "event",
        G_TYPE_STRING, "key-press", "key", G_TYPE_STRING, "mon", NULL);
    fail_if (structure == NULL);
    event = gst_event_new_navigation (structure);
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_NAVIGATION);
    fail_unless (GST_EVENT_IS_UPSTREAM (event));
    fail_if (GST_EVENT_IS_DOWNSTREAM (event));
    fail_if (GST_EVENT_IS_SERIALIZED (event));

    fail_unless (gst_event_get_structure (event) == structure);
    gst_event_unref (event);
  }

  /* Custom event types */
  {
    structure = gst_structure_empty_new ("application/x-custom");
    fail_if (structure == NULL);
    event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, structure);
    fail_if (event == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_UPSTREAM);
    fail_unless (GST_EVENT_IS_UPSTREAM (event));
    fail_if (GST_EVENT_IS_DOWNSTREAM (event));
    fail_if (GST_EVENT_IS_SERIALIZED (event));
    fail_unless (gst_event_get_structure (event) == structure);
    gst_event_unref (event);

    /* Decided not to test the other custom enum types, as they
     * only differ by the value of the enum passed to gst_event_new_custom
     */
  }

  /* Event copying */
  {
    structure = gst_structure_empty_new ("application/x-custom");
    fail_if (structure == NULL);
    event = gst_event_new_custom (GST_EVENT_CUSTOM_BOTH, structure);

    fail_if (event == NULL);
    event2 = gst_event_copy (event);
    fail_if (event2 == NULL);
    fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_TYPE (event2));

    /* The structure should have been duplicated */
    fail_if (gst_event_get_structure (event) ==
        gst_event_get_structure (event2));

    gst_event_unref (event);
    gst_event_unref (event2);
  }

  /* Make events writable */
  {
    structure = gst_structure_empty_new ("application/x-custom");
    fail_if (structure == NULL);
    event = gst_event_new_custom (GST_EVENT_CUSTOM_BOTH, structure);
    /* ref the event so that it becomes non-writable */
    gst_event_ref (event);
    gst_event_ref (event);
    /* this should fail if the structure isn't writable */
    ASSERT_CRITICAL (gst_structure_remove_all_fields ((GstStructure *)
            gst_event_get_structure (event)));

    /* now make writable */
    event2 =
        GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));