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gstreamer/subprojects/gst-plugins-bad/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
Fix FSF address https://bugzilla.gnome.org/show_bug.cgi?id=687520
2012-11-03 20:38:00 +00:00
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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>
tsdemux: Reindent gstmpegdesc.h
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mpegdesc: Extend list of known descriptors Add the various ATSC ones
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mpegdesc: Add more comments/info Namely where they belong to
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/* Others */
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
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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)])
tsdemux: Reindent gstmpegdesc.h
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/* system_clock_descriptor */
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
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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) | \
tsdemux: Reindent gstmpegdesc.h
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GST_READ_UINT16_BE ((desc)+3))
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
/* 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])
tsdemux: Reindent gstmpegdesc.h
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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)
Correct satellite delivery descriptor parsing. Original code to parse satellite delivery descriptors to generate "satellite" structures appeared to be copy & pasted from cable's code without amending for satellite. Also added 8PSK to dvbsrc's enum for modulation. https://bugzilla.gnome.org/show_bug.cgi?id=654485 Conflicts: gst/mpegdemux/gstmpegdesc.h gst/mpegdemux/mpegtspacketizer.c
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#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_modulation(desc) (desc[8] & 0x3)
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
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#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))
tsdemux: Support more DTS/AC3 descriptors
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/* AC3_audio_stream_descriptor */
#define DESC_AC_AUDIO_STREAM_bsid(desc) ((desc)[2] & 0x1f)
tsdemux: Detect language from ac3 descriptor Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4709>
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#define DESC_AC_AUDIO_STREAM_channels(desc) ((desc[4] >> 1) & 0x0f)
#define DESC_AC_AUDIO_STREAM_textlen(desc) ((desc[7 + (DESC_AC_AUDIO_STREAM_channels(desc)==0)] >> 1) & 0x7f)
#define DESC_AC_AUDIO_STREAM_has_lang1(desc) ((desc[8 + DESC_AC_AUDIO_STREAM_textlen(desc)] >> 7) & 0x01)
#define DESC_AC_AUDIO_STREAM_lang1_code(desc) (desc + 9 + DESC_AC_AUDIO_STREAM_textlen(desc))
tsdemux: Support more DTS/AC3 descriptors
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mpegtsdemux: Switch to MPEG-TS SI library * Only mpeg-ts section packetization remains. * Improve code to detect duplicated sections as early as possible * Add FIXME for various issues that need fixing (but are not regressions) https://bugzilla.gnome.org/show_bug.cgi?id=702724
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/* FIXME : Move list of well know registration ids to an enum
* in the mpegts library.
*
* See http://www.smpte-ra.org/mpegreg/mpegreg.html for a full list
* */
mpegtsdemux: add MPEG TS demuxer rewrite from Edward Hervey with contributions from Miquel Angel Farre Guiu and Zaheer Abbas Merali
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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
tsdemux: Add descriptors for SMPTE 302m audio
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#define DRF_ID_S302M 0x42535344
tsdemux: HDV only has mpeg 1 audio layer 2 Set that accordingly on the caps
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#define DRF_ID_TSHV 0x54534856
tsdemux: Add more AC3 detection cases ATSC ac3 streams are always guaranteed to be AC3 if EAC3 descriptor is not present If stream registration id is 'AC-3' then it's also guaranteed to be AC3. Finally if AC3 descriptor is present it's guaranteed to be AC3. Only silences a warning, but still.
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#define DRF_ID_AC3 0x41432d33
#define DRF_ID_GA94 0x47413934
#define DRF_ID_CUEI 0x43554549
mpegts: Add SCTE/EISS sections and table types https://bugzilla.gnome.org/show_bug.cgi?id=708688
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#define DRF_ID_ETV1 0x45545631
tsdemux: Add HEVC / h265 support
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#define DRF_ID_HEVC 0x48455643
tsdemux: add support for KLV metadata streams There's no timestamps for these streams though, we might want to make some up based on the last/next video PTS or so.
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#define DRF_ID_KLVA 0x4b4c5641 /* defined in RP217 */
tsdemux: Add support for Opus Code partially based on https://git.videolan.org/?p=ffmpeg.git;a=commit;h=74141f693ded2fbf75af56fff309d2db35183635 and based on the spec draft at https://wiki.xiph.org/OpusTS Makes it possible to demux http://www.obe.tv/Downloads/opus.ts https://bugzilla.gnome.org/show_bug.cgi?id=757049
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#define DRF_ID_OPUS 0x4f707573
tsdemux: Add conditions to identify ATSC EAC3 https://bugzilla.gnome.org/show_bug.cgi?id=770528
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#define DRF_ID_EAC3 0x45414333 /* defined in A/52 Annex G */
tsdemux: Add format_identifier for AC4 codec According to following spec document, add format_identifier for AC4 in tsdemux. ETSI TS 103 190-2 V1.2.1 : Annex D : AC-4 in MPEG-2 transport stream
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#define DRF_ID_AC4 0x41432D34 /* defined in ETSI TS 103 190-2 Annex D */
mpegtsmux: mux meta/x-id3 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6793>
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#define DRF_ID_ID3 0x49443320 /* defined in SMPTE registration authority */
mpegts: Add support for SMPTE ST-2038 ANC Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7461>
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#define DRF_ID_VANC 0x56414e43 /* defined in SMPTE ST-2038 */
mpegts: Add custom mapping for vp9 This is a custom mapping. There isn't much needed apart from that to store vp9 in mpeg-ts since the bitstream is self contained. Since there are no official specification we don't want people to be mistaken in believing that. Therefore that mapping is only used in the muxer if the (new) property `enable-custom-mappings` is set to TRUE. * The MPEG-TS Stream Type is Private Data (0x6) with the registration descriptor set to `VP09`. * The Access Unit are VP9 frames stored in PES packets * As there is no emulation prevention byte in VP9 elementary stream, the can be misdetection of PES start code. To avoid this, the start of a PES packet must be signalled using the Payload Unit Start Indicator in the transport packet header Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7707>
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#define DRF_ID_VP09 0x56503039 /* Custom GStreamer vp9 */
tsdemux: Support more DTS/AC3 descriptors
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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
#endif /* __GST_MPEG_DESC_H__ */
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