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3eb033bba2
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
374 lines
14 KiB
C
374 lines
14 KiB
C
/*
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* gstmpegtsdescriptor.h -
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* Copyright (C) 2013 Edward Hervey
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*
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* Authors:
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* Edward Hervey <edward@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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* Some parts of this code come from the 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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*/
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#ifndef GST_MPEGTS_DESCRIPTOR_H
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#define GST_MPEGTS_DESCRIPTOR_H
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#include <gst/gst.h>
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#include <gst/mpegts/mpegts-prelude.h>
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G_BEGIN_DECLS
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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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/**
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* GstMpegtsDescriptorType:
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*
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* The type of #GstMpegtsDescriptor
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*
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* These values correspond to the registered descriptor type from
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* the base MPEG-TS specifications (ITU H.222.0 | ISO/IEC 13818-1).
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*
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* Consult the relevant specifications for more details.
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*/
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typedef enum {
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/* 0-18 ISO/IEC 13818-1 (H222.0 06/2012) */
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GST_MTS_DESC_RESERVED_00 = 0x00,
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GST_MTS_DESC_RESERVED_01 = 0x01,
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GST_MTS_DESC_VIDEO_STREAM = 0x02,
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GST_MTS_DESC_AUDIO_STREAM = 0x03,
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GST_MTS_DESC_HIERARCHY = 0x04,
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GST_MTS_DESC_REGISTRATION = 0x05,
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GST_MTS_DESC_DATA_STREAM_ALIGNMENT = 0x06,
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GST_MTS_DESC_TARGET_BACKGROUND_GRID = 0x07,
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GST_MTS_DESC_VIDEO_WINDOW = 0x08,
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GST_MTS_DESC_CA = 0x09,
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GST_MTS_DESC_ISO_639_LANGUAGE = 0x0A,
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GST_MTS_DESC_SYSTEM_CLOCK = 0x0B,
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GST_MTS_DESC_MULTIPLEX_BUFFER_UTILISATION = 0x0C,
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GST_MTS_DESC_COPYRIGHT = 0x0D,
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GST_MTS_DESC_MAXIMUM_BITRATE = 0x0E,
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GST_MTS_DESC_PRIVATE_DATA_INDICATOR = 0x0F,
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GST_MTS_DESC_SMOOTHING_BUFFER = 0x10,
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GST_MTS_DESC_STD = 0x11,
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GST_MTS_DESC_IBP = 0x12,
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/* 19-26 Defined in ISO/IEC 13818-6 (Extensions for DSM-CC) */
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GST_MTS_DESC_DSMCC_CAROUSEL_IDENTIFIER = 0x13,
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GST_MTS_DESC_DSMCC_ASSOCIATION_TAG = 0x14,
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GST_MTS_DESC_DSMCC_DEFERRED_ASSOCIATION_TAG = 0x15,
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/* 0x16 is reserved (so far) */
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GST_MTS_DESC_DSMCC_NPT_REFERENCE = 0x17,
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GST_MTS_DESC_DSMCC_NPT_ENDPOINT = 0x18,
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GST_MTS_DESC_DSMCC_STREAM_MODE = 0x19,
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GST_MTS_DESC_DSMCC_STREAM_EVENT = 0x1A,
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/* 27-54 Later additions to ISO/IEC 13818-1 (H222.0 06/2012) */
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GST_MTS_DESC_MPEG4_VIDEO = 0x1B,
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GST_MTS_DESC_MPEG4_AUDIO = 0x1C,
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GST_MTS_DESC_IOD = 0x1D,
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GST_MTS_DESC_SL = 0x1E,
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GST_MTS_DESC_FMC = 0x1F,
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GST_MTS_DESC_EXTERNAL_ES_ID = 0x20,
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GST_MTS_DESC_MUX_CODE = 0x21,
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GST_MTS_DESC_FMX_BUFFER_SIZE = 0x22,
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GST_MTS_DESC_MULTIPLEX_BUFFER = 0x23,
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GST_MTS_DESC_CONTENT_LABELING = 0x24,
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GST_MTS_DESC_METADATA_POINTER = 0x25,
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GST_MTS_DESC_METADATA = 0x26,
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GST_MTS_DESC_METADATA_STD = 0x27,
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GST_MTS_DESC_AVC_VIDEO = 0x28,
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/* defined in ISO/IEC 13818-11, MPEG-2 IPMP */
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GST_MTS_DESC_IPMP = 0x29,
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GST_MTS_DESC_AVC_TIMING_AND_HRD = 0x2A,
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GST_MTS_DESC_MPEG2_AAC_AUDIO = 0x2B,
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GST_MTS_DESC_FLEX_MUX_TIMING = 0x2C,
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GST_MTS_DESC_MPEG4_TEXT = 0x2D,
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GST_MTS_DESC_MPEG4_AUDIO_EXTENSION = 0x2E,
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GST_MTS_DESC_AUXILIARY_VIDEO_STREAM = 0x2F,
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GST_MTS_DESC_SVC_EXTENSION = 0x30,
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GST_MTS_DESC_MVC_EXTENSION = 0x31,
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GST_MTS_DESC_J2K_VIDEO = 0x32,
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GST_MTS_DESC_MVC_OPERATION_POINT = 0x33,
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GST_MTS_DESC_MPEG2_STEREOSCOPIC_VIDEO_FORMAT = 0x34,
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GST_MTS_DESC_STEREOSCOPIC_PROGRAM_INFO = 0x35,
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GST_MTS_DESC_STEREOSCOPIC_VIDEO_INFO = 0x36,
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/* 55-63 ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved */
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} GstMpegtsDescriptorType;
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/**
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* GstMpegtsMiscDescriptorType:
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*
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* The type of #GstMpegtsDescriptor
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*
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* These values correspond to miscellaneous descriptor types that are
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* not yet identified from known specifications.
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*/
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typedef enum {
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/* 0x80 - 0xFE are user defined */
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GST_MTS_DESC_AC3_AUDIO_STREAM = 0x81,
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GST_MTS_DESC_DTG_LOGICAL_CHANNEL = 0x83, /* from DTG D-Book */
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} GstMpegtsMiscDescriptorType;
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/**
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* GstMpegtsATSCDescriptorType:
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*
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* These values correspond to the registered descriptor type from
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* the various ATSC specifications.
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*
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* Consult the relevant specifications for more details.
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*/
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typedef enum {
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/* ATSC A/65 2009 */
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GST_MTS_DESC_ATSC_STUFFING = 0x80,
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GST_MTS_DESC_ATSC_AC3 = 0x83,
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GST_MTS_DESC_ATSC_CAPTION_SERVICE = 0x86,
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GST_MTS_DESC_ATSC_CONTENT_ADVISORY = 0x87,
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GST_MTS_DESC_ATSC_EXTENDED_CHANNEL_NAME = 0xA0,
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GST_MTS_DESC_ATSC_SERVICE_LOCATION = 0xA1,
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GST_MTS_DESC_ATSC_TIME_SHIFTED_SERVICE = 0xA2,
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GST_MTS_DESC_ATSC_COMPONENT_NAME = 0xA3,
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GST_MTS_DESC_ATSC_DCC_DEPARTING_REQUEST = 0xA8,
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GST_MTS_DESC_ATSC_DCC_ARRIVING_REQUEST = 0xA9,
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GST_MTS_DESC_ATSC_REDISTRIBUTION_CONTROL = 0xAA,
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GST_MTS_DESC_ATSC_GENRE = 0xAB,
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GST_MTS_DESC_ATSC_PRIVATE_INFORMATION = 0xAD,
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GST_MTS_DESC_ATSC_EAC3 = 0xCC,
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/* ATSC A/53:3 2009 */
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GST_MTS_DESC_ATSC_ENHANCED_SIGNALING = 0xB2,
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/* ATSC A/90 */
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GST_MTS_DESC_ATSC_DATA_SERVICE = 0xA4,
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GST_MTS_DESC_ATSC_PID_COUNT = 0xA5,
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GST_MTS_DESC_ATSC_DOWNLOAD_DESCRIPTOR = 0xA6,
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GST_MTS_DESC_ATSC_MULTIPROTOCOL_ENCAPSULATION = 0xA7,
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GST_MTS_DESC_ATSC_MODULE_LINK = 0xB4,
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GST_MTS_DESC_ATSC_CRC32 = 0xB5,
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GST_MTS_DESC_ATSC_GROUP_LINK = 0xB8,
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} GstMpegtsATSCDescriptorType;
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/**
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* GstMpegtsISDBDescriptorType:
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*
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* These values correspond to the registered descriptor type from
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* the various ISDB specifications.
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*
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* Consult the relevant specifications for more details.
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*/
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typedef enum {
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/* ISDB ARIB B10 v4.6 */
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GST_MTS_DESC_ISDB_HIERARCHICAL_TRANSMISSION = 0xC0,
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GST_MTS_DESC_ISDB_DIGITAL_COPY_CONTROL = 0xC1,
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GST_MTS_DESC_ISDB_NETWORK_IDENTIFICATION = 0xC2,
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GST_MTS_DESC_ISDB_PARTIAL_TS_TIME = 0xc3,
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GST_MTS_DESC_ISDB_AUDIO_COMPONENT = 0xc4,
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GST_MTS_DESC_ISDB_HYPERLINK = 0xc5,
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GST_MTS_DESC_ISDB_TARGET_REGION = 0xc6,
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GST_MTS_DESC_ISDB_DATA_CONTENT = 0xc7,
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GST_MTS_DESC_ISDB_VIDEO_DECODE_CONTROL = 0xc8,
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GST_MTS_DESC_ISDB_DOWNLOAD_CONTENT = 0xc9,
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GST_MTS_DESC_ISDB_CA_EMM_TS = 0xca,
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GST_MTS_DESC_ISDB_CA_CONTRACT_INFORMATION = 0xcb,
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GST_MTS_DESC_ISDB_CA_SERVICE = 0xcc,
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GST_MTS_DESC_ISDB_TS_INFORMATION = 0xcd,
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GST_MTS_DESC_ISDB_EXTENDED_BROADCASTER = 0xce,
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GST_MTS_DESC_ISDB_LOGO_TRANSMISSION = 0xcf,
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GST_MTS_DESC_ISDB_BASIC_LOCAL_EVENT = 0xd0,
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GST_MTS_DESC_ISDB_REFERENCE = 0xd1,
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GST_MTS_DESC_ISDB_NODE_RELATION = 0xd2,
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GST_MTS_DESC_ISDB_SHORT_NODE_INFORMATION = 0xd3,
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GST_MTS_DESC_ISDB_STC_REFERENCE = 0xd4,
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GST_MTS_DESC_ISDB_SERIES = 0xd5,
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GST_MTS_DESC_ISDB_EVENT_GROUP = 0xd6,
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GST_MTS_DESC_ISDB_SI_PARAMETER = 0xd7,
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GST_MTS_DESC_ISDB_BROADCASTER_NAME = 0xd8,
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GST_MTS_DESC_ISDB_COMPONENT_GROUP = 0xd9,
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GST_MTS_DESC_ISDB_SI_PRIME_TS = 0xda,
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GST_MTS_DESC_ISDB_BOARD_INFORMATION = 0xdb,
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GST_MTS_DESC_ISDB_LDT_LINKAGE = 0xdc,
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GST_MTS_DESC_ISDB_CONNECTED_TRANSMISSION = 0xdd,
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GST_MTS_DESC_ISDB_CONTENT_AVAILABILITY = 0xde,
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/* ... */
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GST_MTS_DESC_ISDB_SERVICE_GROUP = 0xe0
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} GstMpegtsISDBDescriptorType;
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typedef struct _GstMpegtsDescriptor GstMpegtsDescriptor;
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#define GST_TYPE_MPEGTS_DESCRIPTOR (gst_mpegts_descriptor_get_type())
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GST_MPEGTS_API
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GType gst_mpegts_descriptor_get_type (void);
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/**
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* GstMpegtsDescriptor:
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* @tag: the type of descriptor
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* @tag_extension: the extended type (if @descriptor_tag is 0x7f)
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* @length: the length of the descriptor content (excluding tag/length field)
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* @data: the full descriptor data (including tag, extension, length). The first
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* two bytes are the @tag and @length.
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*
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* Mpeg-TS descriptor (ISO/IEC 13818-1).
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*/
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struct _GstMpegtsDescriptor
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{
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guint8 tag;
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guint8 tag_extension;
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guint8 length;
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guint8 *data;
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/*< private >*/
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/* Padding for future extension */
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_MPEGTS_API
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void gst_mpegts_descriptor_free (GstMpegtsDescriptor *desc);
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GST_MPEGTS_API
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GPtrArray *gst_mpegts_parse_descriptors (guint8 * buffer, gsize buf_len);
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GST_MPEGTS_API
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const GstMpegtsDescriptor * gst_mpegts_find_descriptor (GPtrArray *descriptors,
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guint8 tag);
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/* GST_MTS_DESC_REGISTRATION (0x05) */
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GST_MPEGTS_API
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GstMpegtsDescriptor *gst_mpegts_descriptor_from_registration (
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const gchar *format_identifier,
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guint8 *additional_info, gsize additional_info_length);
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/* GST_MTS_DESC_CA (0x09) */
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GST_MPEGTS_API
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gboolean gst_mpegts_descriptor_parse_ca (GstMpegtsDescriptor *descriptor,
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guint16 *ca_system_id,
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guint16 *ca_pid,
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const guint8 **private_data,
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gsize *private_data_size);
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/* GST_MTS_DESC_ISO_639_LANGUAGE (0x0A) */
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/**
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* GstMpegtsISO639AudioType:
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*
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* Type of audio streams
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*
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* Defined in ITU H.222.0 Table 2-60
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*/
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typedef enum {
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GST_MPEGTS_AUDIO_TYPE_UNDEFINED = 0,
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GST_MPEGTS_AUDIO_TYPE_CLEAN_EFFECTS,
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GST_MPEGTS_AUDIO_TYPE_HEARING_IMPAIRED,
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GST_MPEGTS_AUDIO_TYPE_VISUAL_IMPAIRED_COMMENTARY
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} GstMpegtsIso639AudioType;
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typedef struct _GstMpegtsISO639LanguageDescriptor GstMpegtsISO639LanguageDescriptor;
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struct _GstMpegtsISO639LanguageDescriptor
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{
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guint nb_language;
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gchar *language[64];
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GstMpegtsIso639AudioType audio_type[64];
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};
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#define GST_TYPE_MPEGTS_ISO_639_LANGUAGE (gst_mpegts_iso_639_language_get_type ())
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GST_MPEGTS_API
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GType gst_mpegts_iso_639_language_get_type (void);
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GST_MPEGTS_API
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void gst_mpegts_iso_639_language_descriptor_free (GstMpegtsISO639LanguageDescriptor * desc);
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GST_MPEGTS_API
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gboolean gst_mpegts_descriptor_parse_iso_639_language (const GstMpegtsDescriptor *descriptor,
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GstMpegtsISO639LanguageDescriptor **res);
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GST_MPEGTS_API
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gboolean gst_mpegts_descriptor_parse_iso_639_language_idx (const GstMpegtsDescriptor *descriptor,
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guint idx, gchar **lang,
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GstMpegtsIso639AudioType *audio_type);
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GST_MPEGTS_API
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guint gst_mpegts_descriptor_parse_iso_639_language_nb (const GstMpegtsDescriptor *descriptor);
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GST_MPEGTS_API
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GstMpegtsDescriptor * gst_mpegts_descriptor_from_iso_639_language (const gchar * language);
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/* GST_MTS_DESC_DTG_LOGICAL_CHANNEL (0x83) */
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typedef struct _GstMpegtsLogicalChannelDescriptor GstMpegtsLogicalChannelDescriptor;
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typedef struct _GstMpegtsLogicalChannel GstMpegtsLogicalChannel;
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struct _GstMpegtsLogicalChannel
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{
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guint16 service_id;
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gboolean visible_service;
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guint16 logical_channel_number;
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};
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struct _GstMpegtsLogicalChannelDescriptor
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{
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guint nb_channels;
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GstMpegtsLogicalChannel channels[64];
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};
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/* FIXME : Maybe make two methods. One for getting the number of channels,
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* and the other for getting the content for one channel ? */
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GST_MPEGTS_API
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gboolean
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gst_mpegts_descriptor_parse_logical_channel (const GstMpegtsDescriptor *descriptor,
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GstMpegtsLogicalChannelDescriptor *res);
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GST_MPEGTS_API
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GstMpegtsDescriptor *
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gst_mpegts_descriptor_from_custom (guint8 tag, const guint8 *data, gsize length);
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GST_MPEGTS_API
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GstMpegtsDescriptor *
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gst_mpegts_descriptor_from_custom_with_extension (guint8 tag, guint8 tag_extension, const guint8 *data, gsize length);
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G_END_DECLS
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#endif /* GST_MPEGTS_DESCRIPTOR_H */
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