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371e3e460a
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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_AUDIO_H__
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#include <gst/audio/audio.h>
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#endif
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#ifndef __GST_AUDIO_FILTER_H__
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#define __GST_AUDIO_FILTER_H__
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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G_BEGIN_DECLS
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typedef struct _GstAudioFilter GstAudioFilter;
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typedef struct _GstAudioFilterClass GstAudioFilterClass;
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#define GST_TYPE_AUDIO_FILTER \
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(gst_audio_filter_get_type())
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#define GST_AUDIO_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_FILTER,GstAudioFilter))
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#define GST_AUDIO_FILTER_CAST(obj) \
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((GstAudioFilter *) (obj))
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#define GST_AUDIO_FILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_FILTER,GstAudioFilterClass))
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#define GST_AUDIO_FILTER_CLASS_CAST(klass) \
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((GstAudioFilterClass *) (klass))
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#define GST_AUDIO_FILTER_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AUDIO_FILTER,GstAudioFilterClass))
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#define GST_IS_AUDIO_FILTER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_FILTER))
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#define GST_IS_AUDIO_FILTER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_FILTER))
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/**
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* GstAudioFilter:
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*
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* Base class for audio filters with the same format for input and output.
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*/
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struct _GstAudioFilter {
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GstBaseTransform basetransform;
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/*< protected >*/
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GstAudioInfo info; /* currently configured format */
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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#define GST_AUDIO_FILTER_INFO(filter) (&GST_AUDIO_FILTER_CAST(filter)->info)
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#define GST_AUDIO_FILTER_FORMAT(filter) (GST_AUDIO_INFO_FORMAT(GST_AUDIO_FILTER_INFO(filter)))
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#define GST_AUDIO_FILTER_RATE(filter) (GST_AUDIO_INFO_RATE(GST_AUDIO_FILTER_INFO(filter)))
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#define GST_AUDIO_FILTER_CHANNELS(filter) (GST_AUDIO_INFO_CHANNELS(GST_AUDIO_FILTER_INFO(filter)))
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#define GST_AUDIO_FILTER_BPF(filter) (GST_AUDIO_INFO_BPF(GST_AUDIO_FILTER_INFO(filter)))
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#define GST_AUDIO_FILTER_BPS(filter) (GST_AUDIO_INFO_BPS(GST_AUDIO_FILTER_INFO(filter)))
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/**
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* GstAudioFilterClass:
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* @basetransformclass: parent class
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* @setup: virtual function called whenever the format changes
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*
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* In addition to the @setup virtual function, you should also override the
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* GstBaseTransform::transform and/or GstBaseTransform::transform_ip virtual
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* function.
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*/
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struct _GstAudioFilterClass {
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GstBaseTransformClass basetransformclass;
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/* virtual function, called whenever the format changes */
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gboolean (*setup) (GstAudioFilter * filter, const GstAudioInfo * info);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_AUDIO_API
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GType gst_audio_filter_get_type (void);
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GST_AUDIO_API
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void gst_audio_filter_class_add_pad_templates (GstAudioFilterClass * klass,
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GstCaps * allowed_caps);
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAudioFilter, gst_object_unref)
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#endif
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G_END_DECLS
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#endif /* __GST_AUDIO_FILTER_H__ */
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