2008-10-08 15:25:24 +00:00
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/*
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2008-09-02 12:04:32 +00:00
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/.
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Fluendo MPEG Demuxer plugin.
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*
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* The Initial Developer of the Original Code is Fluendo, S.L.
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* Portions created by Fluendo, S.L. are Copyright (C) 2005
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* Fluendo, S.L. All Rights Reserved.
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*
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* Contributor(s): Wim Taymans <wim@fluendo.com>
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2008-10-08 15:25:24 +00:00
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU Lesser General Public License Version 2 or later (the "LGPL"),
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* in which case the provisions of the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of the MPL or the LGPL.
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2008-09-02 12:04:32 +00:00
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*/
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#ifndef __GST_MPEG_DESC_H__
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#define __GST_MPEG_DESC_H__
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#include <glib.h>
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/*
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* descriptor_tag TS PS Identification
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* 0 n/a n/a Reserved
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* 1 n/a n/a Reserved
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* 2 X X video_stream_descriptor
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* 3 X X audio_stream_descriptor
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* 4 X X hierarchy_descriptor
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* 5 X X registration_descriptor
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* 6 X X data_stream_alignment_descriptor
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* 7 X X target_background_grid_descriptor
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* 8 X X video_window_descriptor
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* 9 X X CA_descriptor
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* 10 X X ISO_639_language_descriptor
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* 11 X X system_clock_descriptor
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* 12 X X multiplex_buffer_utilization_descriptor
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* 13 X X copyright_descriptor
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* 14 X maximum bitrate descriptor
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* 15 X X private data indicator descriptor
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* 16 X X smoothing buffer descriptor
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* 17 X STD_descriptor
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* 18 X X IBP descriptor
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* 19-63 n/a n/a ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
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* 64-255 n/a n/a User Private
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*/
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#define DESC_VIDEO_STREAM 2
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#define DESC_AUDIO_STREAM 3
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#define DESC_HIERARCHY 4
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#define DESC_REGISTRATION 5
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#define DESC_DATA_STREAM_ALIGNMENT 6
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#define DESC_TARGET_BACKGROUND_GRID 7
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#define DESC_VIDEO_WINDOW 8
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#define DESC_CA 9
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#define DESC_ISO_639_LANGUAGE 10
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#define DESC_SYSTEM_CLOCK 11
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#define DESC_MULTIPLEX_BUFFER_UTILISATION 12
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#define DESC_COPYRIGHT 13
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#define DESC_MAXIMUM_BITRATE 14
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#define DESC_PRIVATE_DATA_INDICATOR 15
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#define DESC_SMOOTHING_BUFFER 16
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#define DESC_STD 17
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#define DESC_IBP 18
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#define DESC_DIRAC_TC_PRIVATE 0xAC
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/* DVB tags */
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2009-07-08 09:11:52 +00:00
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#define DESC_DVB_CAROUSEL_IDENTIFIER 0x13
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2008-09-02 12:04:32 +00:00
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#define DESC_DVB_NETWORK_NAME 0x40
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#define DESC_DVB_SERVICE_LIST 0x41
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#define DESC_DVB_STUFFING 0x42
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM 0x43
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM 0x44
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#define DESC_DVB_VBI_DATA 0x45
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#define DESC_DVB_VBI_TELETEXT 0x46
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#define DESC_DVB_BOUQUET_NAME 0x47
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#define DESC_DVB_SERVICE 0x48
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#define DESC_DVB_COUNTRY_AVAILABILITY 0x49
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#define DESC_DVB_LINKAGE 0x4A
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#define DESC_DVB_NVOD_REFERENCE 0x4B
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#define DESC_DVB_TIME_SHIFTED_SERVICE 0x4C
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#define DESC_DVB_SHORT_EVENT 0x4D
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#define DESC_DVB_EXTENDED_EVENT 0x4E
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#define DESC_DVB_TIME_SHIFTED_EVENT 0x4F
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#define DESC_DVB_COMPONENT 0x50
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#define DESC_DVB_MOSAIC 0x51
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#define DESC_DVB_STREAM_IDENTIFIER 0x52
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#define DESC_DVB_CA_IDENTIFIER 0x53
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#define DESC_DVB_CONTENT 0x54
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#define DESC_DVB_PARENTAL_RATING 0x55
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#define DESC_DVB_TELETEXT 0x56
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#define DESC_DVB_TELEPHONE 0x57
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#define DESC_DVB_LOCAL_TIME_OFFSET 0x58
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#define DESC_DVB_SUBTITLING 0x59
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM 0x5A
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#define DESC_DVB_MULTILINGUAL_NETWORK_NAME 0x5B
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#define DESC_DVB_MULTILINGUAL_BOUQUET_NAME 0x5C
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#define DESC_DVB_MULTILINGUAL_SERVICE_NAME 0x5D
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#define DESC_DVB_MULTILINGUAL_COMPONENT 0x5E
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#define DESC_DVB_PRIVATE_DATA 0x5F
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#define DESC_DVB_SERVICE_MOVE 0x60
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#define DESC_DVB_SHORT_SMOOTHING_BUFFER 0x61
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#define DESC_DVB_FREQUENCY_LIST 0x62
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#define DESC_DVB_PARTIAL_TRANSPORT_STREAM 0x63
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#define DESC_DVB_DATA_BROADCAST 0x64
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#define DESC_DVB_SCRAMBLING 0x65
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#define DESC_DVB_DATA_BROADCAST_ID 0x66
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#define DESC_DVB_TRANSPORT_STREAM 0x67
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#define DESC_DVB_DSNG 0x68
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#define DESC_DVB_PDC 0x69
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#define DESC_DVB_AC3 0x6A
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#define DESC_DVB_ANCILLARY_DATA 0x6B
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#define DESC_DVB_CELL_LIST 0x6C
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#define DESC_DVB_CELL_FREQUENCY_LINK 0x6D
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#define DESC_DVB_ANNOUNCEMENT_SUPPORT 0x6E
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#define DESC_DVB_APPLICATION_SIGNALLING 0x6F
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#define DESC_DVB_ADAPTATION_FIELD_DATA 0x70
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#define DESC_DVB_SERVICE_IDENTIFIER 0x71
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#define DESC_DVB_SERVICE_AVAILABILITY 0x72
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#define DESC_DVB_DEFAULT_AUTHORITY 0x73
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#define DESC_DVB_RELATED_CONTENT 0x74
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#define DESC_DVB_TVA_ID 0x75
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#define DESC_DVB_CONTENT_IDENTIFIER 0x76
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#define DESC_DVB_TIMESLICE_FEC_IDENTIFIER 0x77
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#define DESC_DVB_ECM_REPETITION_RATE 0x78
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#define DESC_DVB_S2_SATELLITE_DELIVERY_SYSTEM 0x79
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#define DESC_DVB_ENHANCED_AC3 0x7A
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#define DESC_DVB_DTS 0x7B
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#define DESC_DVB_AAC 0x7C
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/* 0x7D and 0x7E are reserved for future use */
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#define DESC_DVB_EXTENSION 0x7F
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/* 0x80 - 0xFE are user defined */
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2008-10-08 15:25:24 +00:00
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#define DESC_DTG_LOGICAL_CHANNEL 0x83 /* from DTG D-Book */
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2008-09-02 12:04:32 +00:00
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/* 0xFF is forbidden */
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/* common for all descriptors */
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#define DESC_TAG(desc) (desc[0])
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#define DESC_LENGTH(desc) (desc[1])
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/* video_stream_descriptor */
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#define DESC_VIDEO_STREAM_multiple_framerate_flag(desc) (((desc)[2] & 0x80) == 0x80)
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#define DESC_VIDEO_STREAM_frame_rate_code(desc) (((desc)[2] & 0x38) >> 3)
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#define DESC_VIDEO_STREAM_MPEG_1_only_flag(desc) (((desc)[2] & 0x04) == 0x04)
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#define DESC_VIDEO_STREAM_constrained_parameter_flag(desc) (((desc)[2] & 0x02) == 0x02)
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#define DESC_VIDEO_STREAM_still_picture_flag(desc) (((desc)[2] & 0x01) == 0x01)
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/* if (MPEG_1_only_flag == 1) */
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#define DESC_VIDEO_STREAM_profile_and_level_indication(desc) ((desc)[3])
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#define DESC_VIDEO_STREAM_chroma_format(desc) (((desc)[4] & 0xc0) >> 6)
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#define DESC_VIDEO_STREAM_frame_rate_extension_flag(desc) (((desc)[4] & 0x20) == 0x20)
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/* audio_stream_descriptor */
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#define DESC_AUDIO_STREAM_free_format_flag(desc) (((desc)[2] & 0x80) == 0x80)
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#define DESC_AUDIO_STREAM_ID(desc) (((desc)[2] & 0x40) == 0x40)
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#define DESC_AUDIO_STREAM_layer(desc) (((desc)[2] & 0x30) >> 4)
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#define DESC_AUDIO_STREAM_variable_rate_audio_indicator(desc) (((desc)[2] & 0x08) == 0x08)
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/* hierarchy_descriptor */
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#define DESC_HIERARCHY_hierarchy_type(desc) (((desc)[2] & 0x0f))
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#define DESC_HIERARCHY_hierarchy_layer_index(desc) (((desc)[3] & 0x3f))
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#define DESC_HIERARCHY_hierarchy_embedded_layer_index(desc) (((desc)[4] & 0x3f))
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#define DESC_HIERARCHY_hierarchy_channel(desc) (((desc)[5] & 0x3f))
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/* registration_descriptor */
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#define DESC_REGISTRATION_format_identifier(desc) (GST_READ_UINT32_BE ((desc)+2))
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#define DESC_REGISTRATION_additional_ident_info_len(desc) ((desc)[1] - 4)
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#define DESC_REGISTRATION_additional_ident_info(desc) (&(desc)[6])
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/* data_stream_alignment_descriptor */
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#define DESC_DATA_STREAM_ALIGNMENT_alignment_type(desc) ((desc)[2])
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/* target_background_grid_descriptor */
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#define DESC_TARGET_BACKGROUND_GRID_horizontal_size(desc) (GST_READ_UINT16_BE ((desc)+2) >> 2)
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#define DESC_TARGET_BACKGROUND_GRID_vertical_size(desc) ((GST_READ_UINT32_BE ((desc)+2) & 0x0003fff0) >> 4)
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#define DESC_TARGET_BACKGROUND_GRID_aspect_ratio_information(desc) ((desc)[5] & 0x0f)
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/* video_window_descriptor */
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#define DESC_VIDEO_WINDOW_horizontal_offset(desc) (GST_READ_UINT16_BE ((desc)+2) >> 2)
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#define DESC_VIDEO_WINDOW_vertical_offset(desc) ((GST_READ_UINT32_BE ((desc)+2) & 0x0003fff0) >> 4)
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#define DESC_VIDEO_WINDOW_window_priority(desc) ((desc)[5] & 0x0f)
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/* CA_descriptor */
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#define DESC_CA_system_ID(desc) (GST_READ_UINT16_BE ((desc)+2))
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#define DESC_CA_PID(desc) (GST_READ_UINT16_BE ((desc)+2) & 0x1fff)
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/* ISO_639_language_descriptor */
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#define DESC_ISO_639_LANGUAGE_codes_n(desc) ((desc[1]) >> 2)
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#define DESC_ISO_639_LANGUAGE_language_code_nth(desc,i) (&(desc[2 + (4*i)]))
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#define DESC_ISO_639_LANGUAGE_audio_type_nth(desc,i) ((desc)[5 + (4*i)])
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/* system_clock_descriptor */
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#define DESC_SYSTEM_CLOCK_external_clock_reference_indicator(desc) (((desc)[2] & 0x80) == 0x80)
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#define DESC_SYSTEM_CLOCK_clock_accuracy_integer(desc) ((desc)[2] & 0x3f)
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#define DESC_SYSTEM_CLOCK_clock_accuracy_exponent(desc) (((desc)[3] & 0xe0) >> 5)
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/* multiplex_buffer_utilization_descriptor */
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#define DESC_MULTIPLEX_BUFFER_UTILISATION_bound_valid_flag(desc) (((desc)[2] & 0x80) == 0x80)
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#define DESC_MULTIPLEX_BUFFER_UTILISATION_LTW_offset_lower_bound(desc) (GST_READ_UINT16_BE ((desc)+2) & 0x7fff)
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#define DESC_MULTIPLEX_BUFFER_UTILISATION_LTW_offset_upper_bound(desc) (GST_READ_UINT16_BE ((desc)+4) & 0x7fff)
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/* copyright_descriptor */
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#define DESC_COPYRIGHT_copyright_identifier(desc) (GST_READ_UINT32_BE ((desc)+2))
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#define DESC_COPYRIGHT_additional_copyright_info_len(desc) ((desc)[1] - 4)
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#define DESC_COPYRIGHT_additional_copyright_info(desc) (&(desc)[6])
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/* maximum_bitrate_descriptor */
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#define DESC_MAXIMUM_BITRAT_maximum_bitrate(desc) (((((guint32)desc[2]) & 0x3f) << 16) | \
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GST_READ_UINT16_BE ((desc)+3))
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/* private_data_indicator_descriptor */
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#define DESC_PRIVATE_DATA_INDICATOR_indicator(desc) (GST_READ_UINT32_BE(&desc[2]))
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/* smoothing_buffer_descriptor */
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#define DESC_SMOOTHING_BUFFER_sb_leak_rate(desc) (((((guint32)desc[2]) & 0x3f) << 16) | \
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GST_READ_UINT16_BE ((desc)+3))
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#define DESC_SMOOTHING_BUFFER_sb_size(desc) (((((guint32)desc[5]) & 0x3f) << 16) | \
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GST_READ_UINT16_BE ((desc)+6))
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/* STD_descriptor */
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#define DESC_STD_leak_valid_flag(desc) (((desc)[2] & 0x01) == 0x01)
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/* ibp_descriptor */
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#define DESC_IBP_closed_gop_flag(desc) (((desc)[2] & 0x80) == 0x80)
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#define DESC_IBP_identical_gop_flag(desc) (((desc)[2] & 0x40) == 0x40)
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#define DESC_IBP_max_gop_length(desc) (GST_READ_UINT16_BE ((desc)+6) & 0x3fff)
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/* time_code descriptor */
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#define DESC_TIMECODE_video_pid(desc) (GST_READ_UINT16_BE ((desc) + 2) & 0x1fff)
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/* Stream identifier descriptor */
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#define DESC_DVB_STREAM_IDENTIFIER_component_tag(desc) (desc[2])
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/* DVB Network Name descriptor */
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#define DESC_DVB_NETWORK_NAME_length(desc) (GST_READ_UINT8((desc)+1))
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#define DESC_DVB_NETWORK_NAME_text(desc) (desc+2)
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2008-10-08 15:25:24 +00:00
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/* DVB Service Descriptor */
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#define DESC_DVB_SERVICE_type(desc) (desc[2])
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#define DESC_DVB_SERVICE_provider_name_length(desc) (desc[3])
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#define DESC_DVB_SERVICE_provider_name_text(desc) (desc+4)
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#define DESC_DVB_SERVICE_name_length(desc) (desc[4 + DESC_DVB_SERVICE_provider_name_length(desc)])
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#define DESC_DVB_SERVICE_name_text(desc) (desc + 5 + DESC_DVB_SERVICE_provider_name_length(desc))
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/* DVB Component Descriptor */
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#define DESC_DVB_COMPONENT_stream_content(desc) (desc[2] & 0x0F)
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#define DESC_DVB_COMPONENT_type(desc) (desc[3])
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#define DESC_DVB_COMPONENT_tag(desc) (desc[4])
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#define DESC_DVB_COMPONENT_language(desc) (desc + 5)
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/* DVB Bouquet Name Descriptor */
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#define DESC_DVB_BOUQUET_NAME_text(desc) (desc + 2)
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/* DVB Short Event Descriptor */
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#define DESC_DVB_SHORT_EVENT_name_text(desc) (desc + 6)
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#define DESC_DVB_SHORT_EVENT_name_length(desc) (desc[5])
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#define DESC_DVB_SHORT_EVENT_description_text(desc) (desc + 6 + DESC_DVB_SHORT_EVENT_name_length(desc) + 1)
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#define DESC_DVB_SHORT_EVENT_description_length(desc) (desc[6 + DESC_DVB_SHORT_EVENT_name_length(desc)])
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/* DVB Extended Event Descriptor */
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#define DESC_DVB_EXTENDED_EVENT_descriptor_number(desc) ((desc[2] & 0xF0) >> 4)
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#define DESC_DVB_EXTENDED_EVENT_last_descriptor_number(desc) (desc[2] & 0x0F)
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#define DESC_DVB_EXTENDED_EVENT_iso639_language_code(desc) (desc + 3)
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#define DESC_DVB_EXTENDED_EVENT_items_length(desc) (desc[6])
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#define DESC_DVB_EXTENDED_EVENT_items(desc) (desc + 7)
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#define DESC_DVB_EXTENDED_EVENT_text_length(desc) (desc[7 + DESC_DVB_EXTENDED_EVENT_items_length(desc)])
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#define DESC_DVB_EXTENDED_EVENT_text(desc) (desc + 7 + DESC_DVB_EXTENDED_EVENT_items_length(desc) + 1)
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/* DVB Satellite Delivery System Descriptor */
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_frequency(desc) (desc + 2)
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_orbital_position(desc) (desc + 6)
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_west_east_flag(desc) ((desc[8] & 0x80) == 0x80)
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2009-01-05 17:30:55 +00:00
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_polarization(desc) ((desc[8] >> 5) & 0x3)
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2008-10-08 15:25:24 +00:00
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_modulation(desc) (desc[8] & 0x1F)
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_symbol_rate(desc) (desc + 9)
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_fec_inner(desc) (desc[12] & 0x0F)
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/* DVB Terrestrial Delivery System Descriptor */
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_frequency(desc) (GST_READ_UINT32_BE((desc) + 2))
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2009-01-05 17:26:00 +00:00
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_bandwidth(desc) ((desc[6] >> 5) & 0x7)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_constellation(desc) ((desc[7] >> 6) & 0x3)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_hierarchy(desc) ((desc[7] >> 3) & 0x7)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_code_rate_hp(desc) (desc[7] & 0x7)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_code_rate_lp(desc) ((desc[8] >> 5) & 0x7)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_guard_interval(desc) ((desc[8] >> 3) & 0x3)
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_transmission_mode(desc) ((desc[8] >> 1) & 0x3)
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2008-10-08 15:25:24 +00:00
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_other_frequency(desc) ((desc[8] & 0x01) == 0x01)
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/* DVB Cable Delivery System Descriptor */
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM_frequency(desc) (desc + 2)
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM_fec_outer(desc) (desc[7] & 0x0F)
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM_modulation(desc) (desc[8])
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM_symbol_rate(desc) (desc + 9)
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#define DESC_DVB_CABLE_DELIVERY_SYSTEM_fec_inner(desc) (desc[12] & 0x0F)
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2009-07-07 14:28:04 +00:00
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/* DVB Data Broadcast Descriptor */
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#define DESC_DVB_DATA_BROADCAST_data_broadcast_id(desc) (GST_READ_UINT16_BE((desc) + 2))
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#define DESC_DVB_DATA_BROADCAST_component_tag(desc) (desc[4])
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#define DESC_DVB_DATA_BROADCAST_selector_length(desc) (desc[5])
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#define DESC_DVB_DATA_BROADCAST_selector(desc) (desc + 6)
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#define DESC_DVB_DATA_BROADCAST_iso639_language_code(desc) (desc + 6 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
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#define DESC_DVB_DATA_BROADCAST_text_length(desc) (desc + 9 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
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#define DESC_DVB_DATA_BROADCAST_text(desc) (desc + 10 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
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/* DVB Data Broadcast Id Descriptor */
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#define DESC_DVB_DATA_BROADCAST_ID_data_broadcast_id(desc) (GST_READ_UINT16_BE((desc) + 2))
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#define DESC_DVB_DATA_BROADCAST_ID_id_selector_byte(desc) (desc + 4)
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2009-07-08 09:11:52 +00:00
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/* DVB Carousel Identifier Descriptor */
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#define DESC_DVB_CAROUSEL_IDENTIFIER_carousel_id(desc) (GST_READ_UINT32_BE((desc) + 2))
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2009-09-04 10:02:18 +00:00
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/* registration_descriptor format IDs */
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#define DRF_ID_HDMV 0x48444d56
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#define DRF_ID_VC1 0x56432D31 /* defined in RP227 */
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2008-09-02 12:04:32 +00:00
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typedef struct {
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guint n_desc;
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guint8 data_length;
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guint8 *data;
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} GstMPEGDescriptor;
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2008-10-08 15:25:24 +00:00
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void gst_mpegtsdesc_init_debug ();
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2008-09-02 12:04:32 +00:00
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GstMPEGDescriptor* gst_mpeg_descriptor_parse (guint8 *data, guint size);
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void gst_mpeg_descriptor_free (GstMPEGDescriptor *desc);
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guint gst_mpeg_descriptor_n_desc (GstMPEGDescriptor *desc);
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guint8* gst_mpeg_descriptor_find (GstMPEGDescriptor *desc, gint tag);
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2008-10-08 15:25:24 +00:00
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GArray* gst_mpeg_descriptor_find_all (GstMPEGDescriptor * desc, gint tag);
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2008-09-02 12:04:32 +00:00
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guint8* gst_mpeg_descriptor_nth (GstMPEGDescriptor *desc, guint i);
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#endif /* __GST_MPEG_DESC_H__ */
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