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80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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* GStreamer
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* Copyright (C) 2017 Vivia Nikolaidou <vivia@toolsonair.com>
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*
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* gstaudiomixmatrix.h
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_AUDIO_MIX_MATRIX_H__
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#define __GST_AUDIO_MIX_MATRIX_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#define GST_TYPE_AUDIO_MIX_MATRIX (gst_audio_mix_matrix_get_type())
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#define GST_AUDIO_MIX_MATRIX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrix))
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#define GST_AUDIO_MIX_MATRIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrixClass))
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#define GST_AUDIO_MIX_MATRIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_AUDIO_MIX_MATRIX,GstAudioMixMatrixClass))
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#define GST_IS_AUDIO_MIX_MATRIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_MIX_MATRIX))
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#define GST_IS_AUDIO_MIX_MATRIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AUDIO_MIX_MATRIX))
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#define GST_TYPE_AUDIO_MIX_MATRIX_MODE (gst_audio_mix_matrix_mode_get_type())
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typedef struct _GstAudioMixMatrix GstAudioMixMatrix;
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typedef struct _GstAudioMixMatrixClass GstAudioMixMatrixClass;
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typedef enum _GstAudioMixMatrixMode
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{
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GST_AUDIO_MIX_MATRIX_MODE_MANUAL = 0,
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GST_AUDIO_MIX_MATRIX_MODE_FIRST_CHANNELS = 1
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} GstAudioMixMatrixMode;
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/**
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* GstAudioMixMatrix:
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*
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* Opaque data structure.
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*/
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struct _GstAudioMixMatrix
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{
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GstBaseTransform audiofilter;
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/* < private > */
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guint in_channels;
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guint out_channels;
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gdouble *matrix;
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guint64 channel_mask;
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GstAudioMixMatrixMode mode;
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gint32 *s16_conv_matrix;
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gint64 *s32_conv_matrix;
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gint shift_bytes;
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GstAudioFormat format;
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};
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struct _GstAudioMixMatrixClass
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{
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GstBaseTransformClass parent_class;
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};
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GType gst_audio_mix_matrix_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (audiomixmatrix);
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GType gst_audio_mix_matrix_mode_get_type (void);
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G_END_DECLS
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#endif /* __GST_AUDIO_MIX_MATRIX_H__ */
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