swfdec/swfdec_decoder.h

   1 /* Swfdec
   2  * Copyright (C) 2006 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 #ifndef _SWFDEC_DECODER_H_
  21 #define _SWFDEC_DECODER_H_
  22
  23 #include <glib-object.h>
  24 #include <swfdec/swfdec_audio_internal.h>
  25 #include <swfdec/swfdec_buffer.h>
  26 #include <swfdec/swfdec_loader.h>
  27 #include <swfdec/swfdec_player.h>
  28 #include <swfdec/swfdec_types.h>
  29
  30 G_BEGIN_DECLS
  31
  32
  33 typedef enum {
  34   /* processing continued as expected */
  35   SWFDEC_STATUS_OK = 0,
  36   /* An error occured during parsing */
  37   SWFDEC_STATUS_ERROR = (1 << 0),
  38   /* more data needs to be made available for processing */
  39   SWFDEC_STATUS_NEEDBITS = (1 << 1),
  40   /* parsing is finished */
  41   SWFDEC_STATUS_EOF = (1 << 2),
  42   /* header parsing is complete, framerate, image size etc are known */
  43   SWFDEC_STATUS_INIT = (1 << 3),
  44   /* at least one new image is available for display */
  45   SWFDEC_STATUS_IMAGE = (1 << 4)
  46 } SwfdecStatus;
  47
  48 //typedef struct _SwfdecDecoder SwfdecDecoder;
  49 typedef struct _SwfdecDecoderClass SwfdecDecoderClass;
  50
  51 #define SWFDEC_TYPE_DECODER                    (swfdec_decoder_get_type())
  52 #define SWFDEC_IS_DECODER(obj)                 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SWFDEC_TYPE_DECODER))
  53 #define SWFDEC_IS_DECODER_CLASS(klass)         (G_TYPE_CHECK_CLASS_TYPE ((klass), SWFDEC_TYPE_DECODER))
  54 #define SWFDEC_DECODER(obj)                    (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWFDEC_TYPE_DECODER, SwfdecDecoder))
  55 #define SWFDEC_DECODER_CLASS(klass)            (G_TYPE_CHECK_CLASS_CAST ((klass), SWFDEC_TYPE_DECODER, SwfdecDecoderClass))
  56 #define SWFDEC_DECODER_GET_CLASS(obj)          (G_TYPE_INSTANCE_GET_CLASS ((obj), SWFDEC_TYPE_DECODER, SwfdecDecoderClass))
  57
  58 struct _SwfdecDecoder
  59 {
  60   GObject               object;
  61
  62   SwfdecLoaderDataType  data_type;      /* type of the data we provide or UNKNOWN if not known yet */
  63   guint                 rate;           /* rate per second in 256th */
  64   guint                 width;          /* width of stream */
  65   guint                 height;         /* guess */
  66   guint                 bytes_loaded;   /* bytes already loaded */
  67   guint                 bytes_total;    /* total bytes in the file or 0 if not known */
  68   guint                 frames_loaded;  /* frames already loaded */
  69   guint                 frames_total;   /* total frames */
  70 };
  71
  72 struct _SwfdecDecoderClass
  73 {
  74   GObjectClass          object_class;
  75
  76   SwfdecStatus          (* parse)               (SwfdecDecoder *        decoder,
  77                                                  SwfdecBuffer *         buffer);
  78   SwfdecStatus          (* eof)                 (SwfdecDecoder *        decoder);
  79
  80   /* signals */
  81   void                  (* missing_plugins)     (SwfdecDecoder *        dec,
  82                                                  const char **          details);
  83 };
  84
  85 GType           swfdec_decoder_get_type         (void);
  86
  87 #define SWFDEC_DECODER_DETECT_LENGTH 4
  88 SwfdecDecoder * swfdec_decoder_new              (const SwfdecBuffer *   buffer);
  89
  90 SwfdecStatus    swfdec_decoder_parse            (SwfdecDecoder *        decoder,
  91                                                  SwfdecBuffer *         buffer);
  92 SwfdecStatus    swfdec_decoder_eof              (SwfdecDecoder *        decoder);
  93
  94 void            swfdec_decoder_use_audio_codec  (SwfdecDecoder *        decoder,
  95                                                  guint                  codec,
  96                                                  SwfdecAudioFormat      format);
  97 void            swfdec_decoder_use_video_codec  (SwfdecDecoder *        decoder,
  98                                                  guint                  codec);
  99
 100 G_END_DECLS
 101 #endif