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gstreamer/gst/mpegtsdemux/gstmpegdesc.h

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mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
2011-02-16 16:57:42 +00:00
/*
*
mpegtsdemux: relicense gstmpegdefs.h, gstmpegdesc.h and gstmpegdesc.c to LGPL only with permission from the license header: """ This library is licensed under 2 different licenses and you can choose to use it under the terms of either one of them. The two licenses are the MPL 1.1 and the LGPL. """
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* 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.
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
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*
* The Original Code is Fluendo MPEG Demuxer plugin.
*
* The Initial Developer of the Original Code is Fluendo, S.L.
* Portions created by Fluendo, S.L. are Copyright (C) 2005
* Fluendo, S.L. All Rights Reserved.
*
* Contributor(s): Wim Taymans <wim@fluendo.com>
*
*/
#ifndef __GST_MPEG_DESC_H__
#define __GST_MPEG_DESC_H__
#include <glib.h>
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/*
* descriptor_tag TS PS Identification
* 0 n/a n/a Reserved
* 1 n/a n/a Reserved
* 2 X X video_stream_descriptor
* 3 X X audio_stream_descriptor
* 4 X X hierarchy_descriptor
* 5 X X registration_descriptor
* 6 X X data_stream_alignment_descriptor
* 7 X X target_background_grid_descriptor
* 8 X X video_window_descriptor
* 9 X X CA_descriptor
* 10 X X ISO_639_language_descriptor
* 11 X X system_clock_descriptor
* 12 X X multiplex_buffer_utilization_descriptor
* 13 X X copyright_descriptor
* 14 X maximum bitrate descriptor
* 15 X X private data indicator descriptor
* 16 X X smoothing buffer descriptor
* 17 X STD_descriptor
* 18 X X IBP descriptor
* 19-63 n/a n/a ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
* 64-255 n/a n/a User Private
*/
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#define DESC_VIDEO_STREAM 0x02
#define DESC_AUDIO_STREAM 0x03
#define DESC_HIERARCHY 0x04
#define DESC_REGISTRATION 0x05
#define DESC_DATA_STREAM_ALIGNMENT 0x06
#define DESC_TARGET_BACKGROUND_GRID 0x07
#define DESC_VIDEO_WINDOW 0x08
#define DESC_CA 0x09
#define DESC_ISO_639_LANGUAGE 0x0A
#define DESC_SYSTEM_CLOCK 0x0B
#define DESC_MULTIPLEX_BUFFER_UTILISATION 0x0C
#define DESC_COPYRIGHT 0x0D
#define DESC_MAXIMUM_BITRATE 0x0E
#define DESC_PRIVATE_DATA_INDICATOR 0x0F
#define DESC_SMOOTHING_BUFFER 0x10
#define DESC_STD 0x11
#define DESC_IBP 0x12
#define DESC_DIRAC_TC_PRIVATE 0xAC
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/* DVB tags */
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#define DESC_DVB_CAROUSEL_IDENTIFIER 0x13
#define DESC_DVB_NETWORK_NAME 0x40
#define DESC_DVB_SERVICE_LIST 0x41
#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
#define DESC_DVB_VBI_DATA 0x45
#define DESC_DVB_VBI_TELETEXT 0x46
#define DESC_DVB_BOUQUET_NAME 0x47
#define DESC_DVB_SERVICE 0x48
#define DESC_DVB_COUNTRY_AVAILABILITY 0x49
#define DESC_DVB_LINKAGE 0x4A
#define DESC_DVB_NVOD_REFERENCE 0x4B
#define DESC_DVB_TIME_SHIFTED_SERVICE 0x4C
#define DESC_DVB_SHORT_EVENT 0x4D
#define DESC_DVB_EXTENDED_EVENT 0x4E
#define DESC_DVB_TIME_SHIFTED_EVENT 0x4F
#define DESC_DVB_COMPONENT 0x50
#define DESC_DVB_MOSAIC 0x51
#define DESC_DVB_STREAM_IDENTIFIER 0x52
#define DESC_DVB_CA_IDENTIFIER 0x53
#define DESC_DVB_CONTENT 0x54
#define DESC_DVB_PARENTAL_RATING 0x55
#define DESC_DVB_TELETEXT 0x56
#define DESC_DVB_TELEPHONE 0x57
#define DESC_DVB_LOCAL_TIME_OFFSET 0x58
#define DESC_DVB_SUBTITLING 0x59
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#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM 0x5A
#define DESC_DVB_MULTILINGUAL_NETWORK_NAME 0x5B
#define DESC_DVB_MULTILINGUAL_BOUQUET_NAME 0x5C
#define DESC_DVB_MULTILINGUAL_SERVICE_NAME 0x5D
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#define DESC_DVB_MULTILINGUAL_COMPONENT 0x5E
#define DESC_DVB_PRIVATE_DATA 0x5F
#define DESC_DVB_SERVICE_MOVE 0x60
#define DESC_DVB_SHORT_SMOOTHING_BUFFER 0x61
#define DESC_DVB_FREQUENCY_LIST 0x62
#define DESC_DVB_PARTIAL_TRANSPORT_STREAM 0x63
#define DESC_DVB_DATA_BROADCAST 0x64
#define DESC_DVB_SCRAMBLING 0x65
#define DESC_DVB_DATA_BROADCAST_ID 0x66
#define DESC_DVB_TRANSPORT_STREAM 0x67
#define DESC_DVB_DSNG 0x68
#define DESC_DVB_PDC 0x69
#define DESC_DVB_AC3 0x6A
#define DESC_DVB_ANCILLARY_DATA 0x6B
#define DESC_DVB_CELL_LIST 0x6C
#define DESC_DVB_CELL_FREQUENCY_LINK 0x6D
#define DESC_DVB_ANNOUNCEMENT_SUPPORT 0x6E
#define DESC_DVB_APPLICATION_SIGNALLING 0x6F
#define DESC_DVB_ADAPTATION_FIELD_DATA 0x70
#define DESC_DVB_SERVICE_IDENTIFIER 0x71
#define DESC_DVB_SERVICE_AVAILABILITY 0x72
#define DESC_DVB_DEFAULT_AUTHORITY 0x73
#define DESC_DVB_RELATED_CONTENT 0x74
#define DESC_DVB_TVA_ID 0x75
#define DESC_DVB_CONTENT_IDENTIFIER 0x76
#define DESC_DVB_TIMESLICE_FEC_IDENTIFIER 0x77
#define DESC_DVB_ECM_REPETITION_RATE 0x78
#define DESC_DVB_S2_SATELLITE_DELIVERY_SYSTEM 0x79
#define DESC_DVB_ENHANCED_AC3 0x7A
#define DESC_DVB_DTS 0x7B
#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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#define DESC_AC3_AUDIO_STREAM 0x81
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#define DESC_DTG_LOGICAL_CHANNEL 0x83 /* from DTG D-Book */
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/* 0xFF is forbidden */
/* common for all descriptors */
#define DESC_TAG(desc) (desc[0])
#define DESC_LENGTH(desc) (desc[1])
/* video_stream_descriptor */
#define DESC_VIDEO_STREAM_multiple_framerate_flag(desc) (((desc)[2] & 0x80) == 0x80)
#define DESC_VIDEO_STREAM_frame_rate_code(desc) (((desc)[2] & 0x38) >> 3)
#define DESC_VIDEO_STREAM_MPEG_1_only_flag(desc) (((desc)[2] & 0x04) == 0x04)
#define DESC_VIDEO_STREAM_constrained_parameter_flag(desc) (((desc)[2] & 0x02) == 0x02)
#define DESC_VIDEO_STREAM_still_picture_flag(desc) (((desc)[2] & 0x01) == 0x01)
/* if (MPEG_1_only_flag == 1) */
#define DESC_VIDEO_STREAM_profile_and_level_indication(desc) ((desc)[3])
#define DESC_VIDEO_STREAM_chroma_format(desc) (((desc)[4] & 0xc0) >> 6)
#define DESC_VIDEO_STREAM_frame_rate_extension_flag(desc) (((desc)[4] & 0x20) == 0x20)
/* audio_stream_descriptor */
#define DESC_AUDIO_STREAM_free_format_flag(desc) (((desc)[2] & 0x80) == 0x80)
#define DESC_AUDIO_STREAM_ID(desc) (((desc)[2] & 0x40) == 0x40)
#define DESC_AUDIO_STREAM_layer(desc) (((desc)[2] & 0x30) >> 4)
#define DESC_AUDIO_STREAM_variable_rate_audio_indicator(desc) (((desc)[2] & 0x08) == 0x08)
/* hierarchy_descriptor */
#define DESC_HIERARCHY_hierarchy_type(desc) (((desc)[2] & 0x0f))
#define DESC_HIERARCHY_hierarchy_layer_index(desc) (((desc)[3] & 0x3f))
#define DESC_HIERARCHY_hierarchy_embedded_layer_index(desc) (((desc)[4] & 0x3f))
#define DESC_HIERARCHY_hierarchy_channel(desc) (((desc)[5] & 0x3f))
/* registration_descriptor */
#define DESC_REGISTRATION_format_identifier(desc) (GST_READ_UINT32_BE ((desc)+2))
#define DESC_REGISTRATION_additional_ident_info_len(desc) ((desc)[1] - 4)
#define DESC_REGISTRATION_additional_ident_info(desc) (&(desc)[6])
/* data_stream_alignment_descriptor */
#define DESC_DATA_STREAM_ALIGNMENT_alignment_type(desc) ((desc)[2])
/* target_background_grid_descriptor */
#define DESC_TARGET_BACKGROUND_GRID_horizontal_size(desc) (GST_READ_UINT16_BE ((desc)+2) >> 2)
#define DESC_TARGET_BACKGROUND_GRID_vertical_size(desc) ((GST_READ_UINT32_BE ((desc)+2) & 0x0003fff0) >> 4)
#define DESC_TARGET_BACKGROUND_GRID_aspect_ratio_information(desc) ((desc)[5] & 0x0f)
/* video_window_descriptor */
#define DESC_VIDEO_WINDOW_horizontal_offset(desc) (GST_READ_UINT16_BE ((desc)+2) >> 2)
#define DESC_VIDEO_WINDOW_vertical_offset(desc) ((GST_READ_UINT32_BE ((desc)+2) & 0x0003fff0) >> 4)
#define DESC_VIDEO_WINDOW_window_priority(desc) ((desc)[5] & 0x0f)
/* CA_descriptor */
#define DESC_CA_system_ID(desc) (GST_READ_UINT16_BE ((desc)+2))
#define DESC_CA_PID(desc) (GST_READ_UINT16_BE ((desc)+2) & 0x1fff)
/* ISO_639_language_descriptor */
#define DESC_ISO_639_LANGUAGE_codes_n(desc) ((desc[1]) >> 2)
#define DESC_ISO_639_LANGUAGE_language_code_nth(desc,i) (&(desc[2 + (4*i)]))
#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)
#define DESC_SYSTEM_CLOCK_clock_accuracy_integer(desc) ((desc)[2] & 0x3f)
#define DESC_SYSTEM_CLOCK_clock_accuracy_exponent(desc) (((desc)[3] & 0xe0) >> 5)
/* multiplex_buffer_utilization_descriptor */
#define DESC_MULTIPLEX_BUFFER_UTILISATION_bound_valid_flag(desc) (((desc)[2] & 0x80) == 0x80)
#define DESC_MULTIPLEX_BUFFER_UTILISATION_LTW_offset_lower_bound(desc) (GST_READ_UINT16_BE ((desc)+2) & 0x7fff)
#define DESC_MULTIPLEX_BUFFER_UTILISATION_LTW_offset_upper_bound(desc) (GST_READ_UINT16_BE ((desc)+4) & 0x7fff)
/* copyright_descriptor */
#define DESC_COPYRIGHT_copyright_identifier(desc) (GST_READ_UINT32_BE ((desc)+2))
#define DESC_COPYRIGHT_additional_copyright_info_len(desc) ((desc)[1] - 4)
#define DESC_COPYRIGHT_additional_copyright_info(desc) (&(desc)[6])
/* maximum_bitrate_descriptor */
#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 */
#define DESC_PRIVATE_DATA_INDICATOR_indicator(desc) (GST_READ_UINT32_BE(&desc[2]))
/* smoothing_buffer_descriptor */
#define DESC_SMOOTHING_BUFFER_sb_leak_rate(desc) (((((guint32)desc[2]) & 0x3f) << 16) | \
GST_READ_UINT16_BE ((desc)+3))
#define DESC_SMOOTHING_BUFFER_sb_size(desc) (((((guint32)desc[5]) & 0x3f) << 16) | \
GST_READ_UINT16_BE ((desc)+6))
/* STD_descriptor */
#define DESC_STD_leak_valid_flag(desc) (((desc)[2] & 0x01) == 0x01)
/* ibp_descriptor */
#define DESC_IBP_closed_gop_flag(desc) (((desc)[2] & 0x80) == 0x80)
#define DESC_IBP_identical_gop_flag(desc) (((desc)[2] & 0x40) == 0x40)
#define DESC_IBP_max_gop_length(desc) (GST_READ_UINT16_BE ((desc)+6) & 0x3fff)
/* time_code descriptor */
#define DESC_TIMECODE_video_pid(desc) (GST_READ_UINT16_BE ((desc) + 2) & 0x1fff)
/* Stream identifier descriptor */
#define DESC_DVB_STREAM_IDENTIFIER_component_tag(desc) (desc[2])
/* DVB Network Name descriptor */
#define DESC_DVB_NETWORK_NAME_length(desc) (GST_READ_UINT8((desc)+1))
#define DESC_DVB_NETWORK_NAME_text(desc) (desc+2)
/* DVB Service Descriptor */
#define DESC_DVB_SERVICE_type(desc) (desc[2])
#define DESC_DVB_SERVICE_provider_name_length(desc) (desc[3])
#define DESC_DVB_SERVICE_provider_name_text(desc) (desc+4)
#define DESC_DVB_SERVICE_name_length(desc) (desc[4 + DESC_DVB_SERVICE_provider_name_length(desc)])
#define DESC_DVB_SERVICE_name_text(desc) (desc + 5 + DESC_DVB_SERVICE_provider_name_length(desc))
/* DVB Component Descriptor */
#define DESC_DVB_COMPONENT_stream_content(desc) (desc[2] & 0x0F)
#define DESC_DVB_COMPONENT_type(desc) (desc[3])
#define DESC_DVB_COMPONENT_tag(desc) (desc[4])
#define DESC_DVB_COMPONENT_language(desc) (desc + 5)
/* DVB Bouquet Name Descriptor */
#define DESC_DVB_BOUQUET_NAME_text(desc) (desc + 2)
/* DVB Short Event Descriptor */
#define DESC_DVB_SHORT_EVENT_name_text(desc) (desc + 6)
#define DESC_DVB_SHORT_EVENT_name_length(desc) (desc[5])
#define DESC_DVB_SHORT_EVENT_description_text(desc) (desc + 6 + DESC_DVB_SHORT_EVENT_name_length(desc) + 1)
#define DESC_DVB_SHORT_EVENT_description_length(desc) (desc[6 + DESC_DVB_SHORT_EVENT_name_length(desc)])
/* DVB Extended Event Descriptor */
#define DESC_DVB_EXTENDED_EVENT_descriptor_number(desc) ((desc[2] & 0xF0) >> 4)
#define DESC_DVB_EXTENDED_EVENT_last_descriptor_number(desc) (desc[2] & 0x0F)
#define DESC_DVB_EXTENDED_EVENT_iso639_language_code(desc) (desc + 3)
#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)])
#define DESC_DVB_EXTENDED_EVENT_text(desc) (desc + 7 + DESC_DVB_EXTENDED_EVENT_items_length(desc) + 1)
/* DVB Satellite Delivery System Descriptor */
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_frequency(desc) (desc + 2)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_orbital_position(desc) (desc + 6)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_west_east_flag(desc) ((desc[8] & 0x80) == 0x80)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_polarization(desc) ((desc[8] >> 5) & 0x3)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_modulation(desc) (desc[8] & 0x1F)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_symbol_rate(desc) (desc + 9)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_fec_inner(desc) (desc[12] & 0x0F)
/* DVB Terrestrial Delivery System Descriptor */
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_frequency(desc) (GST_READ_UINT32_BE((desc) + 2))
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_bandwidth(desc) ((desc[6] >> 5) & 0x7)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_constellation(desc) ((desc[7] >> 6) & 0x3)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_hierarchy(desc) ((desc[7] >> 3) & 0x7)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_code_rate_hp(desc) (desc[7] & 0x7)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_code_rate_lp(desc) ((desc[8] >> 5) & 0x7)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_guard_interval(desc) ((desc[8] >> 3) & 0x3)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_transmission_mode(desc) ((desc[8] >> 1) & 0x3)
#define DESC_DVB_TERRESTRIAL_DELIVERY_SYSTEM_other_frequency(desc) ((desc[8] & 0x01) == 0x01)
/* DVB Cable Delivery System Descriptor */
#define DESC_DVB_CABLE_DELIVERY_SYSTEM_frequency(desc) (desc + 2)
#define DESC_DVB_CABLE_DELIVERY_SYSTEM_fec_outer(desc) (desc[7] & 0x0F)
#define DESC_DVB_CABLE_DELIVERY_SYSTEM_modulation(desc) (desc[8])
#define DESC_DVB_CABLE_DELIVERY_SYSTEM_symbol_rate(desc) (desc + 9)
#define DESC_DVB_CABLE_DELIVERY_SYSTEM_fec_inner(desc) (desc[12] & 0x0F)
/* DVB Data Broadcast Descriptor */
#define DESC_DVB_DATA_BROADCAST_data_broadcast_id(desc) (GST_READ_UINT16_BE((desc) + 2))
#define DESC_DVB_DATA_BROADCAST_component_tag(desc) (desc[4])
#define DESC_DVB_DATA_BROADCAST_selector_length(desc) (desc[5])
#define DESC_DVB_DATA_BROADCAST_selector(desc) (desc + 6)
#define DESC_DVB_DATA_BROADCAST_iso639_language_code(desc) (desc + 6 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
#define DESC_DVB_DATA_BROADCAST_text_length(desc) (desc + 9 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
#define DESC_DVB_DATA_BROADCAST_text(desc) (desc + 10 + DESC_DVB_DATA_BROADCAST_selector_length(desc))
/* DVB Data Broadcast Id Descriptor */
#define DESC_DVB_DATA_BROADCAST_ID_data_broadcast_id(desc) (GST_READ_UINT16_BE((desc) + 2))
#define DESC_DVB_DATA_BROADCAST_ID_id_selector_byte(desc) (desc + 4)
/* DVB Carousel Identifier Descriptor */
#define DESC_DVB_CAROUSEL_IDENTIFIER_carousel_id(desc) (GST_READ_UINT32_BE((desc) + 2))
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/* AC3_audio_stream_descriptor */
#define DESC_AC_AUDIO_STREAM_bsid(desc) ((desc)[2] & 0x1f)
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/* registration_descriptor format IDs */
#define DRF_ID_HDMV 0x48444d56
#define DRF_ID_VC1 0x56432D31 /* defined in RP227 */
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#define DRF_ID_DTS1 0x44545331
#define DRF_ID_DTS2 0x44545332
#define DRF_ID_DTS3 0x44545333
typedef struct
{
guint n_desc;
guint8 data_length;
guint8 *data;
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} GstMPEGDescriptor;
void gst_mpegtsdesc_init_debug (void);
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GstMPEGDescriptor *gst_mpeg_descriptor_parse (guint8 * data, guint size);
void gst_mpeg_descriptor_free (GstMPEGDescriptor * desc);
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guint gst_mpeg_descriptor_n_desc (GstMPEGDescriptor * desc);
guint8 *gst_mpeg_descriptor_find (GstMPEGDescriptor * desc, gint tag);
GArray *gst_mpeg_descriptor_find_all (GstMPEGDescriptor * desc, gint tag);
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guint8 *gst_mpeg_descriptor_nth (GstMPEGDescriptor * desc, guint i);
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
2011-02-16 16:57:42 +00:00
#endif /* __GST_MPEG_DESC_H__ */
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