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/*
* mpegtspacketizer.h -
* Copyright (C) 2007 Alessandro Decina
*
* Authors:
* Alessandro Decina <alessandro@nnva.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef GST_MPEGTS_PACKETIZER_H
#define GST_MPEGTS_PACKETIZER_H
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <glib.h>
G_BEGIN_DECLS
#define GST_TYPE_MPEGTS_PACKETIZER \
(mpegts_packetizer_get_type())
#define GST_MPEGTS_PACKETIZER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEGTS_PACKETIZER,MpegTSPacketizer))
#define GST_MPEGTS_PACKETIZER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEGTS_PACKETIZER,MpegTSPacketizerClass))
#define GST_IS_MPEGTS_PACKETIZER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEGTS_PACKETIZER))
#define GST_IS_MPEGTS_PACKETIZER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEGTS_PACKETIZER))
typedef struct _MpegTSPacketizer MpegTSPacketizer;
typedef struct _MpegTSPacketizerClass MpegTSPacketizerClass;
struct _MpegTSPacketizer {
GObject object;
GstAdapter *adapter;
/* streams hashed by pid */
GHashTable *streams;
gboolean disposed;
};
struct _MpegTSPacketizerClass {
GObjectClass object_class;
};
typedef struct
{
GstBuffer *buffer;
gint16 pid;
guint8 payload_unit_start_indicator;
guint8 adaptation_field_control;
guint8 continuity_counter;
guint8 *payload;
guint8 *data_start;
guint8 *data_end;
guint8 *data;
} MpegTSPacketizerPacket;
typedef struct
{
gboolean complete;
GstBuffer *buffer;
gint16 pid;
guint8 table_id;
guint16 subtable_extension;
guint section_length;
guint8 version_number;
guint8 current_next_indicator;
} MpegTSPacketizerSection;
typedef struct
{
guint8 table_id;
/* the spec says sub_table_extension is the fourth and fifth byte of a
* section when the section_syntax_indicator is set to a value of "1". If
* section_syntax_indicator is 0, sub_table_extension will be set to 0 */
guint16 subtable_extension;
guint8 version_number;
} MpegTSPacketizerStreamSubtable;
typedef struct
{
guint continuity_counter;
GstAdapter *section_adapter;
guint8 section_table_id;
guint section_length;
GSList *subtables;
} MpegTSPacketizerStream;
GType gst_mpegts_packetizer_get_type(void);
void mpegts_packetizer_init_debug ();
MpegTSPacketizer *mpegts_packetizer_new ();
void mpegts_packetizer_clear (MpegTSPacketizer *packetizer);
void mpegts_packetizer_push (MpegTSPacketizer *packetizer, GstBuffer *buffer);
gboolean mpegts_packetizer_has_packets (MpegTSPacketizer *packetizer);
gboolean mpegts_packetizer_next_packet (MpegTSPacketizer *packetizer,
MpegTSPacketizerPacket *packet);
void mpegts_packetizer_clear_packet (MpegTSPacketizer *packetizer,
MpegTSPacketizerPacket *packet);
gboolean mpegts_packetizer_push_section (MpegTSPacketizer *packetzer,
MpegTSPacketizerPacket *packet, MpegTSPacketizerSection *section);
GstStructure *mpegts_packetizer_parse_pat (MpegTSPacketizer *packetizer,
MpegTSPacketizerSection *section);
GstStructure *mpegts_packetizer_parse_pmt (MpegTSPacketizer *packetizer,
MpegTSPacketizerSection *section);
GstStructure *mpegts_packetizer_parse_nit (MpegTSPacketizer *packetizer,
MpegTSPacketizerSection *section);
GstStructure *mpegts_packetizer_parse_sdt (MpegTSPacketizer *packetizer,
MpegTSPacketizerSection *section);
GstStructure *mpegts_packetizer_parse_eit (MpegTSPacketizer *packetizer,
MpegTSPacketizerSection *section);
G_END_DECLS
#endif /* GST_MPEGTS_PACKETIZER_H */
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