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189 lines
4.3 KiB
C
189 lines
4.3 KiB
C
/* GStreamer
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* Copyright (C) 2008-2009 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __MXF_DEMUX_H__
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#define __MXF_DEMUX_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/gstflowcombiner.h>
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#include "mxfessence.h"
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G_BEGIN_DECLS
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#define GST_TYPE_MXF_DEMUX \
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(gst_mxf_demux_get_type())
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#define GST_MXF_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MXF_DEMUX,GstMXFDemux))
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#define GST_MXF_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MXF_DEMUX,GstMXFDemuxClass))
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#define GST_IS_MXF_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MXF_DEMUX))
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#define GST_IS_MXF_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MXF_DEMUX))
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typedef struct _GstMXFDemux GstMXFDemux;
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typedef struct _GstMXFDemuxClass GstMXFDemuxClass;
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#define GST_TYPE_MXF_DEMUX_PAD (gst_mxf_demux_pad_get_type())
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#define GST_MXF_DEMUX_PAD(pad) (G_TYPE_CHECK_INSTANCE_CAST((pad),GST_TYPE_MXF_DEMUX_PAD,GstMXFDemuxPad))
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#define GST_MXF_DEMUX_PAD_CAST(pad) ((GstMXFDemuxPad *) pad)
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#define GST_IS_MXF_DEMUX_PAD(pad) (G_TYPE_CHECK_INSTANCE_TYPE((pad),GST_TYPE_MXF_DEMUX_PAD))
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typedef struct _GstMXFDemuxPad GstMXFDemuxPad;
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typedef struct _GstMXFDemuxPadClass GstMXFDemuxPadClass;
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typedef struct
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{
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MXFPartitionPack partition;
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MXFPrimerPack primer;
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gboolean parsed_metadata;
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guint64 essence_container_offset;
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} GstMXFDemuxPartition;
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typedef struct
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{
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guint64 offset;
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gboolean keyframe;
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} GstMXFDemuxIndex;
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typedef struct
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{
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guint32 body_sid;
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guint32 track_number;
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guint32 track_id;
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MXFUMID source_package_uid;
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gint64 position;
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gint64 duration;
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GArray *offsets;
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MXFMetadataSourcePackage *source_package;
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MXFMetadataTimelineTrack *source_track;
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gpointer mapping_data;
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const MXFEssenceElementHandler *handler;
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MXFEssenceElementHandleFunc handle_func;
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GstTagList *tags;
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GstCaps *caps;
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} GstMXFDemuxEssenceTrack;
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struct _GstMXFDemuxPad
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{
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GstPad parent;
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guint32 track_id;
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gboolean need_segment;
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GstClockTime position;
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gdouble position_accumulated_error;
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gboolean eos, discont;
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GstTagList *tags;
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MXFMetadataGenericPackage *material_package;
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MXFMetadataTimelineTrack *material_track;
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guint current_component_index;
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MXFMetadataSourceClip *current_component;
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gint64 current_component_start;
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gint64 current_component_duration;
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GstMXFDemuxEssenceTrack *current_essence_track;
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gint64 current_essence_track_position;
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};
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struct _GstMXFDemuxPadClass
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{
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GstPadClass parent;
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};
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struct _GstMXFDemux
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{
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GstElement element;
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GstPad *sinkpad;
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GPtrArray *src;
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/* < private > */
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gboolean have_group_id;
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guint group_id;
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GstAdapter *adapter;
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GstFlowCombiner *flowcombiner;
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GstSegment segment;
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guint32 seqnum;
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GstEvent *close_seg_event;
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guint64 offset;
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gboolean random_access;
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gboolean flushing;
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guint64 run_in;
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guint64 header_partition_pack_offset;
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guint64 footer_partition_pack_offset;
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/* MXF file state */
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GList *partitions;
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GstMXFDemuxPartition *current_partition;
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GArray *essence_tracks;
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GList *pending_index_table_segments;
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GArray *random_index_pack;
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/* Metadata */
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GRWLock metadata_lock;
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gboolean update_metadata;
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gboolean pull_footer_metadata;
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gboolean metadata_resolved;
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MXFMetadataPreface *preface;
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GHashTable *metadata;
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MXFUMID current_package_uid;
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MXFMetadataGenericPackage *current_package;
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gchar *current_package_string;
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GstTagList *tags;
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/* Properties */
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gchar *requested_package_string;
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GstClockTime max_drift;
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};
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struct _GstMXFDemuxClass
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{
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GstElementClass parent_class;
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};
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GType gst_mxf_demux_get_type (void);
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G_END_DECLS
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#endif /* __MXF_DEMUX_H__ */
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