gstreamer/libs/gst/bytestream/bytestream.h

75 lines
2.5 KiB
C
Raw Normal View History

/* GStreamer
* Copyright (C) 2001 Erik Walthinsen <omega@temple-baptist.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_BYTESTREAM_H__
#define __GST_BYTESTREAM_H__
#include <glib.h>
#include <gst/gstpad.h>
#include <gst/gstevent.h>
G_BEGIN_DECLS
typedef struct _GstByteStream GstByteStream;
struct _GstByteStream {
GstPad *pad;
GstEvent *event;
GSList *buflist;
guint32 headbufavail;
guint32 listavail;
/* we keep state of assembled pieces */
guint8 *assembled;
guint32 assembled_len; /* only valid when assembled != NULL */
/* this is needed for gst_bytestream_tell */
guint64 offset;
guint64 last_ts;
/* if we are in the seek state (waiting for DISCONT) */
gboolean in_seek;
gpointer _gst_reserved[GST_PADDING];
};
GstByteStream* gst_bytestream_new (GstPad *pad);
void gst_bytestream_destroy (GstByteStream *bs);
void gst_bytestream_reset (GstByteStream *bs);
guint32 gst_bytestream_read (GstByteStream *bs, GstBuffer** buf, guint32 len);
guint64 gst_bytestream_tell (GstByteStream *bs);
guint64 gst_bytestream_length (GstByteStream *bs);
gboolean gst_bytestream_size_hint (GstByteStream *bs, guint32 size);
gboolean gst_bytestream_seek (GstByteStream *bs, gint64 offset, GstSeekType type);
guint32 gst_bytestream_peek (GstByteStream *bs, GstBuffer** buf, guint32 len);
guint32 gst_bytestream_peek_bytes (GstByteStream *bs, guint8** data, guint32 len);
gboolean gst_bytestream_flush (GstByteStream *bs, guint32 len);
void gst_bytestream_flush_fast (GstByteStream *bs, guint32 len);
void gst_bytestream_get_status (GstByteStream *bs, guint32 *avail_out, GstEvent **event_out);
guint64 gst_bytestream_get_timestamp (GstByteStream *bs);
void gst_bytestream_print_status (GstByteStream *bs);
G_END_DECLS
#endif /* __GST_BYTESTREAM_H__ */