mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/* 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;
|
|
gboolean new_segment_pending;
|
|
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;
|
|
};
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (adder);
|
|
|
|
#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__ */
|