mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 02:01:12 +00:00
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* GStreamer AccurateRip (TM) audio checksumming element
|
|
*
|
|
* Copyright (C) 2012 Christophe Fergeau <teuf@gnome.org>
|
|
*
|
|
* Based on the GStreamer chromaprint audio fingerprinting element
|
|
* Copyright (C) 2006 M. Derezynski
|
|
* Copyright (C) 2008 Eric Buehl
|
|
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
|
|
* Copyright (C) 2011 Lukáš Lalinský <<user@hostname.org>>
|
|
*
|
|
* 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_ACCURIP_H__
|
|
#define __GST_ACCURIP_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
#include <gst/audio/gstaudiofilter.h>
|
|
#include <gst/audio/audio.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_ACCURIP \
|
|
(gst_accurip_get_type())
|
|
#define GST_ACCURIP(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ACCURIP,GstAccurip))
|
|
#define GST_ACCURIP_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ACCURIP,GstAccuripClass))
|
|
#define GST_IS_ACCURIP(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ACCURIP))
|
|
#define GST_IS_ACCURIP_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ACCURIP))
|
|
|
|
#define GST_TAG_ACCURIP_CRC "accurip-crc"
|
|
#define GST_TAG_ACCURIP_CRC_V2 "accurip-crcv2"
|
|
|
|
typedef struct _GstAccurip GstAccurip;
|
|
typedef struct _GstAccuripClass GstAccuripClass;
|
|
|
|
/**
|
|
* GstAccurip:
|
|
*
|
|
* Opaque #GstAccurip element structure
|
|
*/
|
|
struct _GstAccurip
|
|
{
|
|
GstAudioFilter element;
|
|
|
|
/*< private >*/
|
|
guint32 crc;
|
|
guint32 crc_v2;
|
|
guint64 num_samples;
|
|
gboolean is_first;
|
|
gboolean is_last;
|
|
|
|
/* Needed when 'is_last' is true */
|
|
guint32 *crcs_ring;
|
|
guint32 *crcs_v2_ring;
|
|
guint64 ring_samples;
|
|
};
|
|
|
|
struct _GstAccuripClass
|
|
{
|
|
GstAudioFilterClass parent_class;
|
|
};
|
|
|
|
GType gst_accurip_get_type (void);
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (accurip);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_ACCURIP_H__ */
|