gstreamer/subprojects/gst-plugins-base/gst/audioresample/gstaudioresample.h

71 lines
1.9 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2007-2008> Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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 __AUDIO_RESAMPLE_H__
#define __AUDIO_RESAMPLE_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/audio/audio.h>
G_BEGIN_DECLS
#define GST_TYPE_AUDIO_RESAMPLE (gst_audio_resample_get_type())
G_DECLARE_FINAL_TYPE (GstAudioResample, gst_audio_resample, GST, AUDIO_RESAMPLE,
GstBaseTransform)
/**
* GstAudioResample:
*
* Opaque data structure.
*/
struct _GstAudioResample {
GstBaseTransform element;
/* <private> */
gboolean need_discont;
GstClockTime t0;
guint64 in_offset0;
guint64 out_offset0;
guint64 samples_in;
guint64 samples_out;
guint64 num_gap_samples;
guint64 num_nongap_samples;
/* properties */
GstAudioResamplerMethod method;
gint quality;
GstAudioResamplerFilterMode sinc_filter_mode;
guint32 sinc_filter_auto_threshold;
GstAudioResamplerFilterInterpolation sinc_filter_interpolation;
/* state */
GstAudioInfo in;
GstAudioInfo out;
GstAudioConverter *converter;
};
GST_ELEMENT_REGISTER_DECLARE (audioresample);
G_END_DECLS
#endif /* __AUDIO_RESAMPLE_H__ */