gstreamer/libs/gst/base/gstbasesrc.h
Wim Taymans aa00eb872d gst/: More work on the generic source base class, implement seeking, query.
Original commit message from CVS:
* gst/base/README:
* gst/base/gstbasesrc.c: (gst_basesrc_get_type),
(gst_basesrc_init), (gst_basesrc_get_formats), (gst_basesrc_query),
(gst_basesrc_get_event_mask), (gst_basesrc_do_seek),
(gst_basesrc_event_handler), (gst_basesrc_get_range_unlocked),
(gst_basesrc_check_get_range), (gst_basesrc_loop),
(gst_basesrc_unlock), (gst_basesrc_get_size), (gst_basesrc_start),
(gst_basesrc_stop), (gst_basesrc_activate),
(gst_basesrc_change_state), (basesrc_find_peek),
(basesrc_find_suggest), (gst_basesrc_type_find):
* gst/base/gstbasesrc.h:
* gst/elements/gstfilesrc.c: (gst_filesrc_base_init),
(gst_filesrc_class_init), (gst_filesrc_init),
(gst_filesrc_finalize), (gst_filesrc_set_location),
(gst_filesrc_set_property), (gst_filesrc_get_property),
(gst_filesrc_free_parent_mmap), (gst_filesrc_map_region),
(gst_filesrc_map_small_region), (gst_filesrc_create_mmap),
(gst_filesrc_create_read), (gst_filesrc_create),
(gst_filesrc_get_size), (gst_filesrc_start), (gst_filesrc_stop):
* gst/elements/gstfilesrc.h:
* gst/gstelement.c: (gst_element_get_state_func),
(gst_element_lost_state), (gst_element_pads_activate):
* gst/gstpad.c: (gst_pad_set_active), (gst_pad_peer_set_active),
(gst_pad_set_checkgetrange_function), (gst_pad_check_pull_range),
(gst_pad_pull_range):
* gst/gstpad.h:
More work on the generic source base class, implement seeking,
query.
Make filesrc extend the base source class.
Added gst_pad_set_checkgetrange_function to GstPad.
2005-04-06 17:30:48 +00:00

90 lines
2.9 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2005 Wim Taymans <wim@fluendo.com>
*
* gstbasesrc.h:
*
* 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_BASESRC_H__
#define __GST_BASESRC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_BASESRC (gst_basesrc_get_type())
#define GST_BASESRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASESRC,GstBaseSrc))
#define GST_BASESRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASESRC,GstBaseSrcClass))
#define GST_BASESRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASESRC, GstBaseSrcClass))
#define GST_IS_BASESRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASESRC))
#define GST_IS_BASESRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASESRC))
typedef enum {
GST_BASESRC_STARTED = GST_ELEMENT_FLAG_LAST,
GST_BASESRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2
} GstFileSrcFlags;
typedef struct _GstBaseSrc GstBaseSrc;
typedef struct _GstBaseSrcClass GstBaseSrcClass;
struct _GstBaseSrc {
GstElement element;
GstPad *srcpad;
gint blocksize;
gint64 segment_start;
gint64 segment_end;
gboolean segment_loop;
gboolean seekable;
guint64 offset;
guint64 size;
};
struct _GstBaseSrcClass {
GstElementClass parent_class;
GstCaps* (*get_caps) (GstBaseSrc *src);
gboolean (*set_caps) (GstBaseSrc *src, GstCaps *caps);
gboolean (*start) (GstBaseSrc *src);
gboolean (*stop) (GstBaseSrc *src);
void (*get_times) (GstBaseSrc *src, GstBuffer *buffer,
GstClockTime *start, GstClockTime *end);
gboolean (*get_size) (GstBaseSrc *src, guint64 *size);
gboolean (*is_seekable) (GstBaseSrc *src);
gboolean (*unlock) (GstBaseSrc *src);
gboolean (*event) (GstBaseSrc *src, GstEvent *event);
GstFlowReturn (*create) (GstBaseSrc *src, guint64 offset, guint size,
GstBuffer **buf);
};
GType gst_basesrc_get_type(void);
G_END_DECLS
#endif /* __GST_BASESRC_H__ */