swfdec/swfdec_audio_load.c

   1 /* Swfdec
   2  * Copyright (C) 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 <string.h>
  25 #include "swfdec_audio_load.h"
  26 #include "swfdec_debug.h"
  27 #include "swfdec_sprite.h"
  28 #include "swfdec_tag.h"
  29
  30
  31 G_DEFINE_TYPE (SwfdecAudioLoad, swfdec_audio_load, SWFDEC_TYPE_AUDIO_STREAM)
  32
  33 static SwfdecBuffer *
  34 swfdec_audio_load_pull (SwfdecAudioStream *audio)
  35 {
  36   SwfdecAudioLoad *stream = SWFDEC_AUDIO_LOAD (audio);
  37
  38   if (stream->frame >= stream->load->frames->len) {
  39     if (stream->load->stream == NULL)
  40       swfdec_audio_stream_done (audio);
  41     return NULL;
  42   }
  43
  44   return swfdec_buffer_ref (g_ptr_array_index (stream->load->frames, stream->frame++));
  45 }
  46
  47 static void
  48 swfdec_audio_load_class_init (SwfdecAudioLoadClass *klass)
  49 {
  50   SwfdecAudioStreamClass *stream_class = SWFDEC_AUDIO_STREAM_CLASS (klass);
  51
  52   stream_class->pull = swfdec_audio_load_pull;
  53 }
  54
  55 static void
  56 swfdec_audio_load_init (SwfdecAudioLoad *stream)
  57 {
  58 }
  59
  60 SwfdecAudio *
  61 swfdec_audio_load_new (SwfdecPlayer *player, SwfdecLoadSound *load)
  62 {
  63   SwfdecAudioLoad *stream;
  64
  65   g_return_val_if_fail (SWFDEC_IS_PLAYER (player), NULL);
  66   g_return_val_if_fail (SWFDEC_IS_LOAD_SOUND (load), NULL);
  67
  68   stream = g_object_new (SWFDEC_TYPE_AUDIO_LOAD, NULL);
  69   stream->load = load;
  70   swfdec_audio_stream_use_decoder (SWFDEC_AUDIO_STREAM (stream),
  71       SWFDEC_AUDIO_CODEC_MP3, swfdec_audio_format_new (44100, TRUE, 2));
  72
  73   swfdec_audio_add (SWFDEC_AUDIO (stream), player);
  74
  75   return SWFDEC_AUDIO (stream);
  76 }
  77