C++ (Cpp) gst_player_seek示例

示例#1

文件： gst-play.c 项目： ajaysusarla/gst-player

static void
relative_seek (GstPlay * play, gdouble percent)
{
  gint64 dur = -1, pos = -1;

  g_return_if_fail (percent >= -1.0 && percent <= 1.0);

  g_object_get (play->player, "position", &pos, "duration", &dur, NULL);

  if (dur <= 0)
    goto seek_failed;

  pos = pos + dur * percent;
  if (pos > dur) {
    if (!play_next (play)) {
      g_print ("\nReached end of play list.\n");
      g_main_loop_quit (play->loop);
    }
  } else {
    if (pos < 0)
      pos = 0;
    gst_player_seek (play->player, pos);
  }

  return;

seek_failed:
  {
    g_print ("\nCould not seek.\n");
  }
}

示例#2

文件： player.c 项目： 1ee7/gst-player

static void
native_seek (JNIEnv * env, jobject thiz, jlong position)
{
  Player *player = GET_CUSTOM_DATA (env, thiz, native_player_field_id);

  if (!player)
    return;

  gst_player_seek (player->player, position);
}

示例#3

文件： gst-play.c 项目： JimmyOhn/gst-player

static void
relative_seek (GstPlay * play, gdouble percent)
{
  gint64 dur = -1, pos = -1;

  g_return_if_fail (percent >= -1.0 && percent <= 1.0);

  g_object_get (play->player, "position", &pos, "duration", &dur, NULL);

  if (dur <= 0) {
    g_print ("\nCould not seek.\n");
    return;
  }

  pos = pos + dur * percent;
  if (pos < 0)
    pos = 0;
  gst_player_seek (play->player, pos);
}