/* * 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 */