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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_ADDER_H__
#define __GST_ADDER_H__
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
#include <gst/audio/audio.h>
G_BEGIN_DECLS
#define GST_TYPE_ADDER (gst_adder_get_type())
G_DECLARE_FINAL_TYPE (GstAdder, gst_adder, GST, ADDER, GstElement)
/**
* GstAdder:
*
* The adder object structure.
*/
struct _GstAdder {
GstElement element;
GstPad *srcpad;
GstCollectPads *collect;
/* pad counter, used for creating unique request pads */
gint padcount;
/* the next are valid for both int and float */
GstAudioInfo info;
/* counters to keep track of timestamps */
gint64 offset;
/* sink event handling */
GstSegment segment;
volatile gboolean new_segment_pending;
volatile gboolean flush_stop_pending;
/* current caps */
GstCaps *current_caps;
/* target caps (set via property) */
GstCaps *filter_caps;
/* Pending inline events */
GList *pending_events;
gboolean send_stream_start;
gboolean send_caps;
};
#define GST_TYPE_ADDER_PAD (gst_adder_pad_get_type())
G_DECLARE_FINAL_TYPE (GstAdderPad, gst_adder_pad, GST, ADDER_PAD, GstPad)
struct _GstAdderPad {
GstPad parent;
gdouble volume;
gint volume_i32;
gint volume_i16;
gint volume_i8;
gboolean mute;
};
G_END_DECLS
#endif /* __GST_ADDER_H__ */
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