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/* Swfdec
* Copyright (C) 2003-2006 David Schleef <ds@schleef.org>
* 2005-2006 Eric Anholt <eric@anholt.net>
* 2006-2007 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef __SWFDEC_BUFFER_H__
#define __SWFDEC_BUFFER_H__
#include <glib.h>
#include <glib-object.h>
G_BEGIN_DECLS
typedef struct _SwfdecBuffer SwfdecBuffer;
typedef struct _SwfdecBufferQueue SwfdecBufferQueue;
typedef void (* SwfdecBufferFreeFunc) (gpointer *priv, unsigned char *data);
struct _SwfdecBuffer
{
unsigned char * data; /* memory region (consider as read only) */
gsize length; /* length of the memory region pointer do by @data */
/*< private >*/
int ref_count; /* guess */
SwfdecBufferFreeFunc free; /* function to call to free @data */
gpointer priv; /* data to pass to @free */
};
#define SWFDEC_TYPE_BUFFER swfdec_buffer_get_type()
GType swfdec_buffer_get_type (void);
struct _SwfdecBufferQueue
{
/*< private >*/
GSList * first_buffer; /* pointer to first buffer */
GSList * last_buffer; /* pointer to last buffer (for fast appending) */
gsize depth; /* amount of bytes in the queue */
gsize offset; /* amount of data already flushed out of the queue */
int ref_count;
};
#define SWFDEC_TYPE_BUFFER_QUEUE swfdec_buffer_queue_get_type()
GType swfdec_buffer_queue_get_type (void);
SwfdecBuffer *swfdec_buffer_new (gsize size);
SwfdecBuffer *swfdec_buffer_new0 (gsize size);
SwfdecBuffer *swfdec_buffer_new_full (unsigned char *data, gsize size, SwfdecBufferFreeFunc free_func, gpointer priv);
SwfdecBuffer *swfdec_buffer_new_subbuffer (SwfdecBuffer * buffer, gsize offset,
gsize length);
SwfdecBuffer *swfdec_buffer_new_from_file (const char *filename, GError **error);
SwfdecBuffer *swfdec_buffer_new_for_data (unsigned char *data, gsize size);
#define swfdec_buffer_new_static(data, size) \
swfdec_buffer_new_full ((unsigned char *) data, size, NULL, NULL)
SwfdecBuffer *swfdec_buffer_ref (SwfdecBuffer * buffer);
SwfdecBuffer *swfdec_buffer_get_super (SwfdecBuffer *buffer);
void swfdec_buffer_unref (SwfdecBuffer * buffer);
SwfdecBufferQueue *swfdec_buffer_queue_new (void);
void swfdec_buffer_queue_flush (SwfdecBufferQueue *queue, gsize n_bytes);
void swfdec_buffer_queue_clear (SwfdecBufferQueue *queue);
gsize swfdec_buffer_queue_get_depth (SwfdecBufferQueue * queue);
gsize swfdec_buffer_queue_get_offset (SwfdecBufferQueue * queue);
void swfdec_buffer_queue_push (SwfdecBufferQueue * queue,
SwfdecBuffer * buffer);
SwfdecBuffer *swfdec_buffer_queue_pull (SwfdecBufferQueue * queue, gsize length);
SwfdecBuffer *swfdec_buffer_queue_pull_buffer (SwfdecBufferQueue * queue);
SwfdecBuffer *swfdec_buffer_queue_peek (SwfdecBufferQueue * queue, gsize length);
SwfdecBuffer *swfdec_buffer_queue_peek_buffer (SwfdecBufferQueue * queue);
SwfdecBufferQueue *swfdec_buffer_queue_ref (SwfdecBufferQueue * queue);
void swfdec_buffer_queue_unref (SwfdecBufferQueue * queue);
G_END_DECLS
#endif
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