gstreamer/gst/audiomixmatrix/gstaudiomixmatrix.h
2021-04-11 16:16:55 +00:00

80 lines
2.6 KiB
C

/*
* GStreamer
* Copyright (C) 2017 Vivia Nikolaidou <vivia@toolsonair.com>
*
* gstaudiomixmatrix.h
*
* 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_MIX_MATRIX_H__
#define __GST_AUDIO_MIX_MATRIX_H__
#include <gst/gst.h>
#include <gst/audio/audio.h>
#define GST_TYPE_AUDIO_MIX_MATRIX (gst_audio_mix_matrix_get_type())
#define GST_AUDIO_MIX_MATRIX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrix))
#define GST_AUDIO_MIX_MATRIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrixClass))
#define GST_AUDIO_MIX_MATRIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrixClass))
#define GST_IS_AUDIO_MIX_MATRIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_MIX_MATRIX))
#define GST_IS_AUDIO_MIX_MATRIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AUDIO_MIX_MATRIX))
#define GST_TYPE_AUDIO_MIX_MATRIX_MODE (gst_audio_mix_matrix_mode_get_type())
typedef struct _GstAudioMixMatrix GstAudioMixMatrix;
typedef struct _GstAudioMixMatrixClass GstAudioMixMatrixClass;
typedef enum _GstAudioMixMatrixMode
{
GST_AUDIO_MIX_MATRIX_MODE_MANUAL = 0,
GST_AUDIO_MIX_MATRIX_MODE_FIRST_CHANNELS = 1
} GstAudioMixMatrixMode;
/**
* GstAudioMixMatrix:
*
* Opaque data structure.
*/
struct _GstAudioMixMatrix
{
GstBaseTransform audiofilter;
/* < private > */
guint in_channels;
guint out_channels;
gdouble *matrix;
guint64 channel_mask;
GstAudioMixMatrixMode mode;
gint32 *s16_conv_matrix;
gint64 *s32_conv_matrix;
gint shift_bytes;
GstAudioFormat format;
};
struct _GstAudioMixMatrixClass
{
GstBaseTransformClass parent_class;
};
GType gst_audio_mix_matrix_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (audiomixmatrix);
GType gst_audio_mix_matrix_mode_get_type (void);
G_END_DECLS
#endif /* __GST_AUDIO_MIX_MATRIX_H__ */