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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.
218 lines
7.8 KiB
C
218 lines
7.8 KiB
C
/* GStreamer
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* Copyright (C) 2014 Collabora
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* Author: Olivier Crete <olivier.crete@collabora.com>
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*
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* gstaudioaggregator.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_AGGREGATOR_H__
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#define __GST_AUDIO_AGGREGATOR_H__
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#include <gst/gst.h>
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#include <gst/base/gstaggregator.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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/*******************************
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* GstAudioAggregator Structs *
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*******************************/
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typedef struct _GstAudioAggregator GstAudioAggregator;
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typedef struct _GstAudioAggregatorPrivate GstAudioAggregatorPrivate;
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typedef struct _GstAudioAggregatorClass GstAudioAggregatorClass;
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/************************
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* GstAudioAggregatorPad API *
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***********************/
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#define GST_TYPE_AUDIO_AGGREGATOR_PAD (gst_audio_aggregator_pad_get_type())
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#define GST_AUDIO_AGGREGATOR_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_AGGREGATOR_PAD, GstAudioAggregatorPad))
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#define GST_AUDIO_AGGREGATOR_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_AGGREGATOR_PAD, GstAudioAggregatorPadClass))
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#define GST_AUDIO_AGGREGATOR_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_AUDIO_AGGREGATOR_PAD, GstAudioAggregatorPadClass))
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#define GST_IS_AUDIO_AGGREGATOR_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_AGGREGATOR_PAD))
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#define GST_IS_AUDIO_AGGREGATOR_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_AGGREGATOR_PAD))
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/****************************
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* GstAudioAggregatorPad Structs *
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***************************/
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typedef struct _GstAudioAggregatorPad GstAudioAggregatorPad;
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typedef struct _GstAudioAggregatorPadClass GstAudioAggregatorPadClass;
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typedef struct _GstAudioAggregatorPadPrivate GstAudioAggregatorPadPrivate;
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/**
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* GstAudioAggregatorPad:
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* @parent: The parent #GstAggregatorPad
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* @info: The audio info for this pad set from the incoming caps
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*
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* The default implementation of GstPad used with #GstAudioAggregator
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*/
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struct _GstAudioAggregatorPad
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{
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GstAggregatorPad parent;
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/* read-only, with OBJECT_LOCK */
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GstAudioInfo info;
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/*< private >*/
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GstAudioAggregatorPadPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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/**
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* GstAudioAggregatorPadClass:
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* @convert_buffer: Convert a buffer from one format to another.
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* @update_conversion_info: Called when either the input or output
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* formats have changed.
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*/
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struct _GstAudioAggregatorPadClass
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{
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GstAggregatorPadClass parent_class;
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GstBuffer * (* convert_buffer) (GstAudioAggregatorPad * pad,
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GstAudioInfo *in_info,
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GstAudioInfo *out_info,
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GstBuffer * buffer);
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void (* update_conversion_info) (GstAudioAggregatorPad *pad);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING_LARGE];
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};
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GST_AUDIO_API
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GType gst_audio_aggregator_pad_get_type (void);
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#define GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD (gst_audio_aggregator_convert_pad_get_type())
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#define GST_AUDIO_AGGREGATOR_CONVERT_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD, GstAudioAggregatorConvertPad))
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#define GST_AUDIO_AGGREGATOR_CONVERT_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD, GstAudioAggregatorConvertPadClass))
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#define GST_AUDIO_AGGREGATOR_CONVERT_PAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD, GstAudioAggregatorConvertPadClass))
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#define GST_IS_AUDIO_AGGREGATOR_CONVERT_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD))
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#define GST_IS_AUDIO_AGGREGATOR_CONVERT_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_AGGREGATOR_CONVERT_PAD))
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/****************************
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* GstAudioAggregatorPad Structs *
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***************************/
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typedef struct _GstAudioAggregatorConvertPad GstAudioAggregatorConvertPad;
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typedef struct _GstAudioAggregatorConvertPadClass GstAudioAggregatorConvertPadClass;
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typedef struct _GstAudioAggregatorConvertPadPrivate GstAudioAggregatorConvertPadPrivate;
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/**
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* GstAudioAggregatorConvertPad:
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* @parent: The parent #GstAudioAggregatorPad
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*
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* An implementation of GstPad that can be used with #GstAudioAggregator.
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*
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* See #GstAudioAggregator for more details.
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*/
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struct _GstAudioAggregatorConvertPad
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{
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GstAudioAggregatorPad parent;
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/*< private >*/
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GstAudioAggregatorConvertPadPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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/**
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* GstAudioAggregatorConvertPadClass:
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*
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*/
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struct _GstAudioAggregatorConvertPadClass
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{
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GstAudioAggregatorPadClass parent_class;
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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_aggregator_convert_pad_get_type (void);
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/**************************
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* GstAudioAggregator API *
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**************************/
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#define GST_TYPE_AUDIO_AGGREGATOR (gst_audio_aggregator_get_type())
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#define GST_AUDIO_AGGREGATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_AGGREGATOR,GstAudioAggregator))
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#define GST_AUDIO_AGGREGATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_AGGREGATOR,GstAudioAggregatorClass))
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#define GST_AUDIO_AGGREGATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_AUDIO_AGGREGATOR,GstAudioAggregatorClass))
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#define GST_IS_AUDIO_AGGREGATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_AGGREGATOR))
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#define GST_IS_AUDIO_AGGREGATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_AGGREGATOR))
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/**
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* GstAudioAggregator:
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* @parent: The parent #GstAggregator
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* @info: The information parsed from the current caps
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* @current_caps: The caps set by the subclass
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*
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* GstAudioAggregator object
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*/
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struct _GstAudioAggregator
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{
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GstAggregator parent;
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GstCaps *current_caps;
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/*< private >*/
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GstAudioAggregatorPrivate *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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/**
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* GstAudioAggregatorClass:
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* @create_output_buffer: Create a new output buffer contains num_frames frames.
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* @aggregate_one_buffer: Aggregates one input buffer to the output
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* buffer. The in_offset and out_offset are in "frames", which is
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* the size of a sample times the number of channels. Returns TRUE if
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* any non-silence was added to the buffer
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*/
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struct _GstAudioAggregatorClass {
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GstAggregatorClass parent_class;
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GstBuffer * (* create_output_buffer) (GstAudioAggregator * aagg,
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guint num_frames);
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gboolean (* aggregate_one_buffer) (GstAudioAggregator * aagg,
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GstAudioAggregatorPad * pad, GstBuffer * inbuf, guint in_offset,
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GstBuffer * outbuf, guint out_offset, guint num_frames);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING_LARGE];
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};
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/*************************
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* GstAggregator methods *
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************************/
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GST_AUDIO_API
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GType gst_audio_aggregator_get_type(void);
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GST_AUDIO_API
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void gst_audio_aggregator_set_sink_caps (GstAudioAggregator * aagg,
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GstAudioAggregatorPad * pad,
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GstCaps * caps);
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G_END_DECLS
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#endif /* __GST_AUDIO_AGGREGATOR_H__ */
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