gstreamer/gst/audiomixer/gstaudiointerleave.h
Sebastian Dröge 8a1fa31c67 audio: Move audioaggregator base class to a library
It's useful enough already to be used in other elements for audio aggregation,
let's give people the opportunity to use it and give it some API testing.

https://bugzilla.gnome.org/show_bug.cgi?id=760733
2016-01-22 12:39:48 +02:00

101 lines
3.7 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* gstaudiointerleave.h: Header for audiointerleave 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_AUDIO_INTERLEAVE_H__
#define __GST_AUDIO_INTERLEAVE_H__
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/audio/gstaudioaggregator.h>
G_BEGIN_DECLS
#define GST_TYPE_AUDIO_INTERLEAVE (gst_audio_interleave_get_type())
#define GST_AUDIO_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleave))
#define GST_IS_AUDIO_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INTERLEAVE))
#define GST_AUDIO_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleaveClass))
#define GST_IS_AUDIO_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INTERLEAVE))
#define GST_AUDIO_INTERLEAVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INTERLEAVE,GstAudioInterleaveClass))
typedef struct _GstAudioInterleave GstAudioInterleave;
typedef struct _GstAudioInterleaveClass GstAudioInterleaveClass;
typedef struct _GstAudioInterleavePad GstAudioInterleavePad;
typedef struct _GstAudioInterleavePadClass GstAudioInterleavePadClass;
typedef void (*GstInterleaveFunc) (gpointer out, gpointer in, guint stride,
guint nframes);
/**
* GstAudioInterleave:
*
* The GstAudioInterleave object structure.
*/
struct _GstAudioInterleave {
GstAudioAggregator parent;
gint padcounter;
guint channels;
gboolean new_caps;
GstCaps *sinkcaps;
GValueArray *channel_positions;
GValueArray *input_channel_positions;
gboolean channel_positions_from_input;
gint default_channels_ordering_map[64];
GstInterleaveFunc func;
};
struct _GstAudioInterleaveClass {
GstAudioAggregatorClass parent_class;
};
GType gst_audio_interleave_get_type (void);
#define GST_TYPE_AUDIO_INTERLEAVE_PAD (gst_audio_interleave_pad_get_type())
#define GST_AUDIO_INTERLEAVE_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePad))
#define GST_IS_AUDIO_INTERLEAVE_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INTERLEAVE_PAD))
#define GST_AUDIO_INTERLEAVE_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePadClass))
#define GST_IS_AUDIO_INTERLEAVE_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INTERLEAVE_PAD))
#define GST_AUDIO_INTERLEAVE_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INTERLEAVE_PAD,GstAudioInterleavePadClass))
struct _GstAudioInterleavePad {
GstAudioAggregatorPad parent;
guint channel;
};
struct _GstAudioInterleavePadClass {
GstAudioAggregatorPadClass parent_class;
};
GType gst_audio_interleave_pad_get_type (void);
G_END_DECLS
#endif /* __GST_AUDIO_INTERLEAVE_H__ */