mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 21:51:09 +00:00
137 lines
4.2 KiB
C
137 lines
4.2 KiB
C
/*
|
|
* 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);
|
|
void mpegts_packetizer_remove_stream(MpegTSPacketizer *packetizer,
|
|
gint16 pid);
|
|
|
|
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 */
|