/* * 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 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)==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: