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91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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* GStreamer
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*
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* Copyright 2008 Collabora Ltd
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* Copyright 2008 Nokia Corporation
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* @author: Olivier Crete <olivier.crete@collabora.co.uk>
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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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*/
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#ifndef __GST_LIVE_ADDER_H__
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#define __GST_LIVE_ADDER_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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#define GST_TYPE_LIVE_ADDER (gst_live_adder_get_type())
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#define GST_LIVE_ADDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LIVE_ADDER,GstLiveAdder))
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#define GST_IS_LIVE_ADDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LIVE_ADDER))
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#define GST_LIVE_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_LIVE_ADDER,GstLiveAdderClass))
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#define GST_IS_LIVE_ADDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_LIVE_ADDER))
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#define GST_LIVE_ADDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_LIVE_ADDER,GstLiveAdderClass))
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typedef struct _GstLiveAdder GstLiveAdder;
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typedef struct _GstLiveAdderClass GstLiveAdderClass;
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typedef void (*GstLiveAdderFunction) (gpointer out, gpointer in, guint size);
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/**
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* GstLiveAdder:
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*
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* The adder object structure.
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*/
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struct _GstLiveAdder
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{
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/*< private >*/
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GstElement element;
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GstPad *srcpad;
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/* pad counter, used for creating unique request pads */
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gint padcount;
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GList *sinkpads;
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GstFlowReturn srcresult;
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GstClockID clock_id;
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/* the queue is ordered head to tail */
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GQueue *buffers;
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GCond *not_empty_cond;
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GstClockTime next_timestamp;
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/* the next are valid for both int and float */
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GstAudioInfo info;
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/* function to add samples */
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GstLiveAdderFunction func;
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GstClockTime latency_ms;
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GstClockTime peer_latency;
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gboolean segment_pending;
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gboolean playing;
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};
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struct _GstLiveAdderClass
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{
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GstElementClass parent_class;
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};
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GType gst_live_adder_get_type (void);
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G_END_DECLS
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#endif /* __GST_LIVE_ADDER_H__ */
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