2001-12-22 22:43:48 +00:00
|
|
|
/* GStreamer
|
|
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
|
|
*
|
|
|
|
* gstadder.h: Header for GstAdder element
|
|
|
|
*
|
|
|
|
* 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_ADDER_H__
|
|
|
|
#define __GST_ADDER_H__
|
|
|
|
|
|
|
|
#include <gst/gst.h>
|
2011-12-14 18:26:07 +00:00
|
|
|
#include <gst/base/gstcollectpads2.h>
|
2001-12-22 22:43:48 +00:00
|
|
|
|
2005-05-05 09:46:03 +00:00
|
|
|
G_BEGIN_DECLS
|
2001-12-22 22:43:48 +00:00
|
|
|
|
2006-05-07 16:39:36 +00:00
|
|
|
#define GST_TYPE_ADDER (gst_adder_get_type())
|
|
|
|
#define GST_ADDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADDER,GstAdder))
|
|
|
|
#define GST_IS_ADDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ADDER))
|
|
|
|
#define GST_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_ADDER,GstAdderClass))
|
|
|
|
#define GST_IS_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_ADDER))
|
|
|
|
#define GST_ADDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_ADDER,GstAdderClass))
|
2001-12-22 22:43:48 +00:00
|
|
|
|
2004-03-15 16:32:55 +00:00
|
|
|
typedef struct _GstAdder GstAdder;
|
|
|
|
typedef struct _GstAdderClass GstAdderClass;
|
|
|
|
typedef struct _GstAdderInputChannel GstAdderInputChannel;
|
|
|
|
|
2005-08-05 17:13:10 +00:00
|
|
|
typedef enum {
|
2004-03-15 16:32:55 +00:00
|
|
|
GST_ADDER_FORMAT_UNSET,
|
|
|
|
GST_ADDER_FORMAT_INT,
|
|
|
|
GST_ADDER_FORMAT_FLOAT
|
2005-08-05 17:13:10 +00:00
|
|
|
} GstAdderFormat;
|
2004-03-15 16:32:55 +00:00
|
|
|
|
2005-05-05 09:46:03 +00:00
|
|
|
typedef void (*GstAdderFunction) (gpointer out, gpointer in, guint size);
|
2004-03-15 16:32:55 +00:00
|
|
|
|
2007-02-15 15:17:23 +00:00
|
|
|
/**
|
|
|
|
* GstAdder:
|
|
|
|
*
|
|
|
|
* The adder object structure.
|
|
|
|
*/
|
2004-03-15 16:32:55 +00:00
|
|
|
struct _GstAdder {
|
|
|
|
GstElement element;
|
|
|
|
|
|
|
|
GstPad *srcpad;
|
2011-12-14 18:26:07 +00:00
|
|
|
GstCollectPads2 *collect;
|
2006-05-30 16:07:50 +00:00
|
|
|
/* pad counter, used for creating unique request pads */
|
|
|
|
gint padcount;
|
2004-03-15 16:32:55 +00:00
|
|
|
|
|
|
|
/* the next are valid for both int and float */
|
|
|
|
GstAdderFormat format;
|
2005-05-05 14:57:20 +00:00
|
|
|
gint rate;
|
|
|
|
gint channels;
|
|
|
|
gint width;
|
|
|
|
gint endianness;
|
2010-06-07 06:45:58 +00:00
|
|
|
int sample_size;
|
2004-03-15 16:32:55 +00:00
|
|
|
|
|
|
|
/* the next are valid only for format == GST_ADDER_FORMAT_INT */
|
2005-05-05 14:57:20 +00:00
|
|
|
gint depth;
|
2004-03-15 16:32:55 +00:00
|
|
|
gboolean is_signed;
|
|
|
|
|
2006-05-10 11:54:36 +00:00
|
|
|
/* number of bytes per sample, actually width/8 * channels */
|
gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected, gst_adder_change_state): gst/adder/gstadder.h (bps, o...
Original commit message from CVS:
* gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected,
gst_adder_change_state):
* gst/adder/gstadder.h (bps, offset, collect_event, segment,
segment_pending, segment_position, segment_rate):
Handle playback-rate on adder.
2007-05-08 19:24:01 +00:00
|
|
|
gint bps;
|
2006-05-10 11:54:36 +00:00
|
|
|
|
2005-05-05 09:46:03 +00:00
|
|
|
/* function to add samples */
|
|
|
|
GstAdderFunction func;
|
|
|
|
|
2004-03-15 16:32:55 +00:00
|
|
|
/* counters to keep track of timestamps */
|
2005-12-06 19:42:02 +00:00
|
|
|
gint64 timestamp;
|
|
|
|
gint64 offset;
|
gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected, gst_adder_change_state): gst/adder/gstadder.h (bps, o...
Original commit message from CVS:
* gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected,
gst_adder_change_state):
* gst/adder/gstadder.h (bps, offset, collect_event, segment,
segment_pending, segment_position, segment_rate):
Handle playback-rate on adder.
2007-05-08 19:24:01 +00:00
|
|
|
|
2006-05-07 16:39:36 +00:00
|
|
|
/* sink event handling */
|
2006-05-10 11:54:36 +00:00
|
|
|
GstPadEventFunction collect_event;
|
2006-05-07 16:39:36 +00:00
|
|
|
GstSegment segment;
|
2010-04-14 20:31:20 +00:00
|
|
|
guint64 segment_start, segment_end;
|
gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected, gst_adder_change_state): gst/adder/gstadder.h (bps, o...
Original commit message from CVS:
* gst/adder/gstadder.c (gst_adder_src_event, gst_adder_collected,
gst_adder_change_state):
* gst/adder/gstadder.h (bps, offset, collect_event, segment,
segment_pending, segment_position, segment_rate):
Handle playback-rate on adder.
2007-05-08 19:24:01 +00:00
|
|
|
gdouble segment_rate;
|
2011-07-25 17:39:55 +00:00
|
|
|
volatile gboolean new_segment_pending;
|
|
|
|
volatile gboolean wait_for_new_segment;
|
2009-05-19 13:45:56 +00:00
|
|
|
/* src event handling */
|
2011-07-25 17:39:55 +00:00
|
|
|
volatile gboolean flush_stop_pending;
|
2009-07-10 19:06:28 +00:00
|
|
|
|
|
|
|
/* target caps */
|
|
|
|
GstCaps *filter_caps;
|
2009-07-13 07:28:54 +00:00
|
|
|
|
|
|
|
/* Pending inline events */
|
|
|
|
GList *pending_events;
|
2004-03-15 16:32:55 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
struct _GstAdderClass {
|
|
|
|
GstElementClass parent_class;
|
|
|
|
};
|
|
|
|
|
|
|
|
GType gst_adder_get_type (void);
|
2001-12-22 22:43:48 +00:00
|
|
|
|
2005-05-05 09:46:03 +00:00
|
|
|
G_END_DECLS
|
2001-12-22 22:43:48 +00:00
|
|
|
|
|
|
|
|
2004-03-15 16:32:55 +00:00
|
|
|
#endif /* __GST_ADDER_H__ */
|