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h222_defns.h
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h222_defns.h
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/*
* Datastructures and definitions useful for working with H.222 data,
* whether it be Transport Stream or Program Stream
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the MPEG TS, PS and ES tools.
*
* The Initial Developer of the Original Code is Amino Communications Ltd.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Amino Communications Ltd, Swavesey, Cambridge UK
*
* ***** END LICENSE BLOCK *****
*/
#ifndef _h222_defns
#define _h222_defns
// Include our function definition(s)
// -- this is actually just the function for returning a string
// representing a stream type (according to the following table),
// which *used* to be a macro, defined in this header file.
#include "h222_fns.h"
// ------------------------------------------------------------
// H.222.0 Table 2-29: Stream type assignments, as amended by
// H.222.0 (2000) Amendment 3
//
// Value Description
// ===== ============================
// 00 ITU-T | ISO/IEC Reserved
// 01 ISO/IEC 11172-2 Video
// 02 ITU-T Rec. H.262 | ISO/IEC 13818-2 Video or ISO/IEC 11172-2
// constrained parameter video stream
// 03 ISO/IEC 11172-3 Audio
// 04 ISO/IEC 13818-3 Audio
// 05 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 private_sections
// 06 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 PES packets containing
// private data -- traditionally DVB Dolby (AC-3)
// 07 ISO/IEC 13522 MHEG
// 08 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Annex A DSM CC
// 09 ITU-T Rec. H.222.1
// 0A ISO/IEC 13818-6 type A
// 0B ISO/IEC 13818-6 type B
// 0C ISO/IEC 13818-6 type C
// 0D ISO/IEC 13818-6 type D
// 0E ITU-T Rec. H.222.0 | ISO/IEC 13818-1 auxiliary
// 0F ISO/IEC 13818-7 Audio with ADTS transport syntax
// 10 ISO/IEC 14496-2 Visual
// 11 ISO/IEC 14496-3 Audio with the LATM transport syntax as defined
// in ISO/IEC 14496-3 / AMD 1
// 12 ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried
// in PES packets
// 13 ISO/IEC 14496-1 SL-packetized stream or FlexMux stream carried
// in ISO/IEC14496_sections.
// 14 ISO/IEC 13818-6 Synchronized Download Protocol
// 15 Metadata carried in PES packets
// 16 Metadata carried in metadata_sections
// 17 Metadata carried in ISO/IEC 13818-6 Data Carousel
// 18 Metadata carried in ISO/IEC 13818-6 Object Carousel
// 19 Metadata carried in ISO/IEC 13818-6 Synchronized Download Protocol
// 1A IPMP stream (defined in ISO/IEC 13818-11, MPEG-2 IPMP)
// 1B AVC video stream as defined in ITU-T Rec. H.264 | ISO/IEC 14496-10
// Video
// 1C-7E ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
// 7F IPMP stream
// 80-FF User Private
// 81 Traditionally ATSC Dolby (AC-3)
#define MPEG1_VIDEO_STREAM_TYPE 0x01
#define MPEG2_VIDEO_STREAM_TYPE 0x02 // H.262
#define AVC_VIDEO_STREAM_TYPE 0x1B // MPEG-4 part10 - H.264
#define AVS_VIDEO_STREAM_TYPE 0x42 // AVS -- Chinese standard
#define DVB_DOLBY_AUDIO_STREAM_TYPE 0x06 // [1]
#define ATSC_DOLBY_AUDIO_STREAM_TYPE 0x81 // [1]
#define MPEG2_AUDIO_STREAM_TYPE 0x04
#define MPEG1_AUDIO_STREAM_TYPE 0x03
#define ADTS_AUDIO_STREAM_TYPE 0x0F // AAC ADTS
#define MPEG4_PART2_VIDEO_STREAM_TYPE 0x10
#define LATM_AUDIO_STREAM_TYPE 0x11 // How much do we support this?
#define H265_VIDEO_STREAM_TYPE 0x24
#define DOLBY_DVB_STREAM_TYPE 0x06 // [1]
#define DOLBY_ATSC_STREAM_TYPE 0x81 // [1]
// [1] In DVB (the European transmission standard) Dolby (AC-3) audio is
// carried in stream type 0x06, but in ATSC (the USA standard), stream
// type 0x81 is used. Note that both of these are essentially just saying
// that the data is a private stream, so technically one needs to set
// descriptors in the PMT as well to say we really mean Dolby (AC-3)
// Also, in DVB, other types of stream can be in 0x06.
#define IS_VIDEO_STREAM_TYPE(s) ((s)==MPEG1_VIDEO_STREAM_TYPE || \
(s)==MPEG2_VIDEO_STREAM_TYPE || \
(s)==AVC_VIDEO_STREAM_TYPE || \
(s)==H265_VIDEO_STREAM_TYPE || \
(s)==AVS_VIDEO_STREAM_TYPE || \
(s)==MPEG4_PART2_VIDEO_STREAM_TYPE)
// Although I include Dolby in the "standard" audio types, beware that the
// stream type usage is not specified by H.222 itself - it is "convention"
// (albeit a standardised convention) how private streams are used to transmit
// Dolby. There is a case to be made that, at any one time, we should not
// recognise *both* potential Dolby stream types, but just one or the other
// (see [1] above) according to the standard the user is expecting. On the
// other hand, practice seems to be to use the stream types only in the
// expected manner.
#define IS_DOLBY_STREAM_TYPE(s) ((s)==DOLBY_DVB_STREAM_TYPE || \
(s)==DOLBY_ATSC_STREAM_TYPE)
#define IS_AUDIO_STREAM_TYPE(s) ((s)==MPEG1_AUDIO_STREAM_TYPE || \
(s)==MPEG2_AUDIO_STREAM_TYPE || \
(s)==ADTS_AUDIO_STREAM_TYPE || \
(s)==LATM_AUDIO_STREAM_TYPE || \
IS_DOLBY_STREAM_TYPE((s)))
// ------------------------------------------------------------
// Stream ids, as used in PES headers
// H.222.0 Table 2-18: Stream_id assignments, as amended by
// H.222.0 (2000) Amendment 3
//
// Note Hex stream_id stream coding
// ==== === ========= =============
// 1 BC 1011 1100 program_stream_map
// 2 BD 1011 1101 private_stream_1
// BE 1011 1110 padding_stream
// 3 BF 1011 1111 private_stream_2
// C0-DF 110x xxxx ISO/IEC 13818-3 or ISO/IEC 11172-3 or
// ISO/IEC 13818-7 or ISO/IEC 14496-3 audio stream
// number x xxxx
// Ex 1110 xxxx ITU-T Rec. H.262 | ISO/IEC 13818-2, ISO/IEC 11172-2,
// ISO/IEC 14496-2 or ITU-T Rec. H.264 | ISO/IEC
// 14496-10 video stream number xxxx
// 3 F0 1111 0000 ECM_stream
// F1 1111 0001 EMM_stream
// 5 F2 1111 0010 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Annex A or
// ISO/IEC 13818-6_DSMCC_stream
// 2 F3 1111 0011 ISO/IEC_13522_stream
// 6 F4 1111 0100 ITU-T Rec. H.222.1 type A
// 6 F5 1111 0101 ITU-T Rec. H.222.1 type B
// 6 F6 1111 0110 ITU-T Rec. H.222.1 type C
// 6 F7 1111 0111 ITU-T Rec. H.222.1 type D
// 6 F8 1111 1000 ITU-T Rec. H.222.1 type E
// 7 F9 1111 1001 ancillary_stream
// FA 1111 1010 ISO/IEC14496-1_SL-packetized_stream
// FB 1111 1011 ISO/IEC14496-1_FlexMux_stream
// FC 1111 1100 descriptive data stream
// FD 1111 1101 reserved data stream
// FE 1111 1110 reserved data stream
// 4 FF 1111 1111 program_stream_directory
//
// The notation x means that the values '0' or '1' are both permitted and
// results in the same stream type. The stream number is given by the values
// taken by the x's.
//
// NOTES
// 1 PES packets of type program_stream_map have unique syntax specified
// in 2.5.4.1.
// 2 PES packets of type private_stream_1 and ISO/IEC_13552_stream follow
// the same PES packet syntax as those for ITU-T Rec. H.262 | ISO/IEC
// 13818-2 video and ISO/IEC 13818-3 audio streams.
// 3 PES packets of type private_stream_2, ECM_stream and EMM_stream
// are similar to private_stream_1 except no syntax is specified after
// PES_packet_length field.
// 4 PES packets of type program_stream_directory have a unique syntax
// specified in 2.5.5.
// 5 PES packets of type DSM-CC_stream have a unique syntax specified
// in ISO/IEC 13818- 6.
// 6 This stream_id is associated with stream_type 0x09 in Table 2-29.
// 7 This stream_id is only used in PES packets, which carry data from
// a Program Stream or an ISO/IEC 11172-1 System Stream, in a Transport
// Stream (refer to 2.4.3.7).
#define PADDING_STREAM_ID 0xBE
#define PRIVATE1_AUDIO_STREAM_ID 0xBD
#define PRIVATE2_AUDIO_STREAM_ID 0xBF
#define DEFAULT_VIDEO_STREAM_ID 0xE0 // i.e., stream 0
#define DEFAULT_AUDIO_STREAM_ID 0xC0 // i.e., stream 0
#define IS_AUDIO_STREAM_ID(id) ((id)==0xBD || ((id) >= 0xC0 && (id) <= 0xDF))
#define IS_VIDEO_STREAM_ID(id) ((id) >= 0xE0 && (id) <= 0xEF)
// ------------------------------------------------------------
// Timing info (used in reporting on packets). Initialise to all zeroes...
struct timing
{
uint64_t first_pcr;
uint64_t last_pcr;
int first_pcr_packet;
int last_pcr_packet;
int had_first_pcr; // FALSE until we've started
};
typedef struct timing *timing_p;
#endif // _h222_defns
// Local Variables:
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 2
// End:
// vim: set tabstop=8 shiftwidth=2 expandtab: