gst_plugins_good/gst/qtdemux/qtdemux.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 15:15:52 +0300
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Revision: 201011 Kit: 201015
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/* 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., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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#ifndef __GST_QTDEMUX_H__
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#define __GST_QTDEMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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G_BEGIN_DECLS
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GST_DEBUG_CATEGORY_EXTERN (qtdemux_debug);
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#define GST_CAT_DEFAULT qtdemux_debug
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#define GST_TYPE_QTDEMUX \
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  (gst_qtdemux_get_type())
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#define GST_QTDEMUX(obj) \
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  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))
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#define GST_QTDEMUX_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemuxClass))
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#define GST_IS_QTDEMUX(obj) \
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  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))
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#define GST_IS_QTDEMUX_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
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#define GST_QTDEMUX_CAST(obj) ((GstQTDemux *)(obj))
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/* qtdemux produces these for atoms it cannot parse */
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#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
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#define GST_QT_DEMUX_CLASSIFICATION_TAG "classification"
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#define GST_QTDEMUX_MAX_STREAMS         8
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typedef struct _GstQTDemux GstQTDemux;
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typedef struct _GstQTDemuxClass GstQTDemuxClass;
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typedef struct _QtDemuxStream QtDemuxStream;
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struct _GstQTDemux {
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  GstElement element;
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  /* pads */
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  GstPad *sinkpad;
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  QtDemuxStream *streams[GST_QTDEMUX_MAX_STREAMS];
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  gint     n_streams;
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  gint     n_video_streams;
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  gint     n_audio_streams;
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  gint     n_subp_streams;
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  guint  major_brand;
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  GNode *moov_node;
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  GNode *moov_node_compressed;
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  guint32 timescale;
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  guint32 duration;
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  gint state;
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  gboolean pullbased;
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  /* push based variables */
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  guint neededbytes;
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  guint todrop;
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  GstAdapter *adapter;
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  GstBuffer *mdatbuffer;
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  /* offset of the media data (i.e.: Size of header) */
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  guint64 offset;
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  /* offset of the mdat atom */
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  guint64 mdatoffset;
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  GstTagList *tag_list;
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  /* track stuff */
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  guint64 last_ts;
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  /* configured playback region */
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  GstSegment segment;
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  gboolean segment_running;
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  GstEvent *pending_newsegment;
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};
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struct _GstQTDemuxClass {
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  GstElementClass parent_class;
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};
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GType gst_qtdemux_get_type (void);
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G_END_DECLS
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#endif /* __GST_QTDEMUX_H__ */