swfdec/swfdec_stream_target.c

   1 /* Swfdec
   2  * Copyright (C) 2007-2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "swfdec_stream_target.h"
  25 #include "swfdec_debug.h"
  26 #include "swfdec_loader_internal.h"
  27 #include "swfdec_player_internal.h"
  28
  29 static void
  30 swfdec_stream_target_base_init (gpointer g_class)
  31 {
  32   static gboolean initialized = FALSE;
  33
  34   if (G_UNLIKELY (!initialized)) {
  35     initialized = TRUE;
  36   }
  37 }
  38
  39 GType
  40 swfdec_stream_target_get_type (void)
  41 {
  42   static GType stream_target_type = 0;
  43
  44   if (!stream_target_type) {
  45     static const GTypeInfo stream_target_info = {
  46       sizeof (SwfdecStreamTargetInterface),
  47       swfdec_stream_target_base_init,
  48       NULL,
  49       NULL,
  50       NULL,
  51       NULL,
  52       0,
  53       0,
  54       NULL,
  55     };
  56
  57     stream_target_type = g_type_register_static (G_TYPE_INTERFACE,
  58         "SwfdecStreamTarget", &stream_target_info, 0);
  59     g_type_interface_add_prerequisite (stream_target_type, G_TYPE_OBJECT);
  60   }
  61
  62   return stream_target_type;
  63 }
  64
  65 SwfdecPlayer *
  66 swfdec_stream_target_get_player (SwfdecStreamTarget *target)
  67 {
  68   SwfdecStreamTargetInterface *iface;
  69
  70   g_return_val_if_fail (SWFDEC_IS_STREAM_TARGET (target), NULL);
  71
  72   iface = SWFDEC_STREAM_TARGET_GET_INTERFACE (target);
  73   g_assert (iface->get_player != NULL);
  74   return iface->get_player (target);
  75 }
  76
  77 void
  78 swfdec_stream_target_open (SwfdecStreamTarget *target, SwfdecStream *stream)
  79 {
  80   SwfdecStreamTargetInterface *iface;
  81
  82   g_return_if_fail (SWFDEC_IS_STREAM_TARGET (target));
  83   g_return_if_fail (SWFDEC_IS_STREAM (stream));
  84
  85   SWFDEC_LOG ("opening %s", swfdec_stream_describe (stream));
  86
  87   iface = SWFDEC_STREAM_TARGET_GET_INTERFACE (target);
  88   if (iface->open)
  89     iface->open (target, stream);
  90 }
  91
  92 gboolean
  93 swfdec_stream_target_parse (SwfdecStreamTarget *target, SwfdecStream *stream)
  94 {
  95   SwfdecStreamTargetInterface *iface;
  96   gboolean call_again;
  97
  98   g_return_val_if_fail (SWFDEC_IS_STREAM_TARGET (target), FALSE);
  99   g_return_val_if_fail (SWFDEC_IS_STREAM (stream), FALSE);
 100
 101   SWFDEC_LOG ("parsing %s", swfdec_stream_describe (stream));
 102
 103   iface = SWFDEC_STREAM_TARGET_GET_INTERFACE (target);
 104   if (iface->parse)
 105     call_again = iface->parse (target, stream);
 106   else
 107     call_again = FALSE;
 108
 109   return call_again;
 110 }
 111
 112 void
 113 swfdec_stream_target_close (SwfdecStreamTarget *target, SwfdecStream *stream)
 114 {
 115   SwfdecStreamTargetInterface *iface;
 116
 117   g_return_if_fail (SWFDEC_IS_STREAM_TARGET (target));
 118   g_return_if_fail (SWFDEC_IS_STREAM (stream));
 119
 120   SWFDEC_LOG ("close on %s", swfdec_stream_describe (stream));
 121
 122   iface = SWFDEC_STREAM_TARGET_GET_INTERFACE (target);
 123   if (iface->close)
 124     iface->close (target, stream);
 125 }
 126
 127 void
 128 swfdec_stream_target_error (SwfdecStreamTarget *target, SwfdecStream *stream)
 129 {
 130   SwfdecStreamTargetInterface *iface;
 131
 132   g_return_if_fail (SWFDEC_IS_STREAM_TARGET (target));
 133   g_return_if_fail (SWFDEC_IS_STREAM (stream));
 134
 135   SWFDEC_LOG ("error on %s", swfdec_stream_describe (stream));
 136
 137   iface = SWFDEC_STREAM_TARGET_GET_INTERFACE (target);
 138   if (iface->error)
 139     iface->error (target, stream);
 140 }
 141