mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 12:10:37 +00:00
d8fa279161
Split plugin into features including dynamic types which can be indiviually registered during a static build. More details here: https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199 https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/876>
101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net>
|
|
*
|
|
* 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_SCALETEMPO_H__
|
|
#define __GST_SCALETEMPO_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstbasetransform.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_SCALETEMPO (gst_scaletempo_get_type())
|
|
#define GST_SCALETEMPO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_SCALETEMPO, GstScaletempo))
|
|
#define GST_SCALETEMPO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_SCALETEMPO, GstScaletempoClass))
|
|
#define GST_IS_SCALETEMPO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_SCALETEMPO))
|
|
#define GST_IS_SCALETEMPO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_SCALETEMPO))
|
|
|
|
typedef struct _GstScaletempo GstScaletempo;
|
|
typedef struct _GstScaletempoClass GstScaletempoClass;
|
|
typedef struct _GstScaletempoPrivate GstScaletempoPrivate;
|
|
|
|
struct _GstScaletempo
|
|
{
|
|
GstBaseTransform element;
|
|
|
|
gdouble scale;
|
|
gboolean reverse;
|
|
|
|
/* parameters */
|
|
guint ms_stride;
|
|
gdouble percent_overlap;
|
|
guint ms_search;
|
|
|
|
/* caps */
|
|
GstAudioFormat format;
|
|
guint samples_per_frame; /* AKA number of channels */
|
|
guint bytes_per_sample;
|
|
guint bytes_per_frame;
|
|
guint sample_rate;
|
|
|
|
/* stride */
|
|
gdouble frames_stride_scaled;
|
|
gdouble frames_stride_error;
|
|
guint bytes_stride;
|
|
gdouble bytes_stride_scaled;
|
|
guint bytes_queue_max;
|
|
guint bytes_queued;
|
|
guint bytes_to_slide;
|
|
gint8 *buf_queue;
|
|
|
|
/* overlap */
|
|
guint samples_overlap;
|
|
guint samples_standing;
|
|
guint bytes_overlap;
|
|
guint bytes_standing;
|
|
gpointer buf_overlap;
|
|
gpointer table_blend;
|
|
void (*output_overlap) (GstScaletempo * scaletempo, gpointer out_buf, guint bytes_off);
|
|
|
|
/* best overlap */
|
|
guint frames_search;
|
|
gpointer buf_pre_corr;
|
|
gpointer table_window;
|
|
guint (*best_overlap_offset) (GstScaletempo * scaletempo);
|
|
|
|
/* gstreamer */
|
|
GstSegment in_segment, out_segment;
|
|
GstClockTime latency;
|
|
|
|
/* threads */
|
|
gboolean reinit_buffers;
|
|
};
|
|
|
|
struct _GstScaletempoClass
|
|
{
|
|
GstBaseTransformClass parent_class;
|
|
};
|
|
|
|
GType gst_scaletempo_get_type (void);
|
|
|
|
GST_ELEMENT_REGISTER_DECLARE (scaletempo);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_SCALETEMPO_H__ */
|