gstreamer/plugins/elements/gstfakesrc.h
2012-07-14 20:05:53 +01:00

166 lines
4.4 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstfakesrc.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_FAKE_SRC_H__
#define __GST_FAKE_SRC_H__
#include <gst/gst.h>
#include <gst/base/gstbasesrc.h>
G_BEGIN_DECLS
/**
* GstFakeSrcOutputType:
* @FAKE_SRC_FIRST_LAST_LOOP: first pad then last pad
* @FAKE_SRC_LAST_FIRST_LOOP: last pad then first pad
* @FAKE_SRC_PING_PONG: ping pong between pads
* @FAKE_SRC_ORDERED_RANDOM: ordered random pad
* @FAKE_SRC_RANDOM: random pad
* @FAKE_SRC_PATTERN_LOOP: loop between pads in a particular pattern
* @FAKE_SRC_PING_PONG_PATTERN: ping pong based on a pattern
* @FAKE_SRC_GET_ALWAYS_SUCEEDS: a get always succeeds on a pad
*
* The different output types. Unused currently.
*/
typedef enum {
FAKE_SRC_FIRST_LAST_LOOP = 1,
FAKE_SRC_LAST_FIRST_LOOP,
FAKE_SRC_PING_PONG,
FAKE_SRC_ORDERED_RANDOM,
FAKE_SRC_RANDOM,
FAKE_SRC_PATTERN_LOOP,
FAKE_SRC_PING_PONG_PATTERN,
FAKE_SRC_GET_ALWAYS_SUCEEDS
} GstFakeSrcOutputType;
/**
* GstFakeSrcDataType:
* @FAKE_SRC_DATA_ALLOCATE: allocate buffers
* @FAKE_SRC_DATA_SUBBUFFER: subbuffer each buffer
*
* The different ways buffers are allocated.
*/
typedef enum {
FAKE_SRC_DATA_ALLOCATE = 1,
FAKE_SRC_DATA_SUBBUFFER
} GstFakeSrcDataType;
/**
* GstFakeSrcSizeType:
* @FAKE_SRC_SIZETYPE_EMPTY: create empty buffers
* @FAKE_SRC_SIZETYPE_FIXED: fixed buffer size (sizemax sized)
* @FAKE_SRC_SIZETYPE_RANDOM: random buffer size (sizemin <= size <= sizemax)
*
* The different size of the allocated buffers.
*/
typedef enum {
FAKE_SRC_SIZETYPE_EMPTY = 1,
FAKE_SRC_SIZETYPE_FIXED,
FAKE_SRC_SIZETYPE_RANDOM
} GstFakeSrcSizeType;
/**
* GstFakeSrcFillType:
* @FAKE_SRC_FILLTYPE_NOTHING: do not fill buffers
* @FAKE_SRC_FILLTYPE_ZERO: fill buffers with 0
* @FAKE_SRC_FILLTYPE_RANDOM: fill buffers with random bytes
* @FAKE_SRC_FILLTYPE_PATTERN: fill buffers with a pattern
* @FAKE_SRC_FILLTYPE_PATTERN_CONT: fill buffers with a continuous pattern
*
* The different ways of filling the buffers.
*/
typedef enum {
FAKE_SRC_FILLTYPE_NOTHING = 1,
FAKE_SRC_FILLTYPE_ZERO,
FAKE_SRC_FILLTYPE_RANDOM,
FAKE_SRC_FILLTYPE_PATTERN,
FAKE_SRC_FILLTYPE_PATTERN_CONT
} GstFakeSrcFillType;
#define GST_TYPE_FAKE_SRC \
(gst_fake_src_get_type())
#define GST_FAKE_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FAKE_SRC,GstFakeSrc))
#define GST_FAKE_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FAKE_SRC,GstFakeSrcClass))
#define GST_IS_FAKE_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FAKE_SRC))
#define GST_IS_FAKE_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FAKE_SRC))
typedef struct _GstFakeSrc GstFakeSrc;
typedef struct _GstFakeSrcClass GstFakeSrcClass;
/**
* GstFakeSrc:
*
* Opaque #GstFakeSrc data structure.
*/
struct _GstFakeSrc {
GstBaseSrc element;
/*< private >*/
gboolean has_loop;
gboolean has_getrange;
GstFakeSrcOutputType output;
GstFakeSrcDataType data;
GstFakeSrcSizeType sizetype;
GstFakeSrcFillType filltype;
guint sizemin;
guint sizemax;
GstBuffer *parent;
guint parentsize;
guint parentoffset;
guint8 pattern_byte;
gchar *pattern;
GList *patternlist;
gint datarate;
gboolean sync;
GstClock *clock;
gboolean silent;
gboolean signal_handoffs;
gboolean dump;
gboolean can_activate_pull;
GstFormat format;
guint64 bytes_sent;
gchar *last_message;
};
struct _GstFakeSrcClass {
GstBaseSrcClass parent_class;
/*< public >*/
/* signals */
void (*handoff) (GstElement *element, GstBuffer *buf, GstPad *pad);
};
G_GNUC_INTERNAL GType gst_fake_src_get_type (void);
G_END_DECLS
#endif /* __GST_FAKE_SRC_H__ */