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This ensures that the metadata items are always written in the same order and that first comes the preface, then the identification linked from the preface, ... Some demuxers can't handle files where the metadata items are in random order.
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* GStreamer
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* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __MXF_MUX_H__
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#define __MXF_MUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include <gst/base/gstcollectpads.h>
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#include "mxfessence.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MXF_MUX \
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(gst_mxf_mux_get_type ())
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#define GST_MXF_MUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MXF_MUX, GstMXFMux))
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#define GST_MXF_MUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MXF_MUX, GstMXFMuxClass))
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#define GST_IS_MXF_MUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MXF_MUX))
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#define GST_IS_MXF_MUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MXF_MUX))
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typedef struct
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{
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GstCollectData collect;
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guint64 pos;
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GstClockTime last_timestamp;
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MXFMetadataFileDescriptor *descriptor;
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GstAdapter *adapter;
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gboolean have_complete_edit_unit;
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gpointer mapping_data;
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const MXFEssenceElementWriter *writer;
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MXFEssenceElementWriteFunc write_func;
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MXFMetadataSourcePackage *source_package;
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MXFMetadataTimelineTrack *source_track;
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} GstMXFMuxPad;
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typedef enum
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{
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GST_MXF_MUX_STATE_HEADER,
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GST_MXF_MUX_STATE_DATA,
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GST_MXF_MUX_STATE_EOS,
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GST_MXF_MUX_STATE_ERROR
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} GstMXFMuxState;
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typedef struct _GstMXFMux {
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GstElement element;
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GstPad *srcpad;
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GstCollectPads *collect;
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/* <private> */
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GstPadEventFunction collect_event;
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GstMXFMuxState state;
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guint n_pads;
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guint64 offset;
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MXFPartitionPack partition;
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MXFPrimerPack primer;
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GHashTable *metadata;
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GList *metadata_list;
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MXFMetadataPreface *preface;
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MXFFraction min_edit_rate;
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guint64 last_gc_position;
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GstClockTime last_gc_timestamp;
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gchar *application;
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} GstMXFMux;
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typedef struct _GstMXFMuxClass {
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GstElementClass parent;
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} GstMXFMuxClass;
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GType gst_mxf_mux_get_type (void);
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G_END_DECLS
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#endif /* __MXF_MUX_H__ */
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