source: svn/trunk/newcon3bcm2_21bu/BSEAV/lib/scte_18/ts_scte_18.h

Last change on this file was 2, checked in by jglee, 11 years ago

first commit
  • Property svn:executable set to *
File size: 4.3 KB
Line 
1/***************************************************************************
2 *     Copyright (c) 2008, Broadcom Corporation
3 *     All Rights Reserved
4 *     Confidential Property of Broadcom Corporation
5 *
6 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
7 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
8 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
9 *
10 * $brcm_Workfile: ts_scte_18.h $
11 * $brcm_Revision: $
12 * $brcm_Date: $
13 *
14 * [File Description:]
15 *
16 * Revision History:
17 *
18 ***************************************************************************/
19#ifndef TS_SCTE_18_H__
20#define TS_SCTE_18_H__
21
22#include "bstd.h"
23#include "ts_priv.h"
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29#define TS_SCTE_18_MAX_TABLE_SIZE               4096
30#define TS_SCTE_18_EAS_TABLE_ID                 0xD8
31
32#define TS_SCTE_18_PROTOCOL_VERSION             8
33#define TS_SCTE_18_EAS_EVENT_ID                 9
34#define TS_SCTE_18_EAS_ORIGINATOR_CODE          10      /* should be 11, but need 4 byte alignment */
35#define TS_SCTE_18_EAS_EVENT_CODE_LENGTH        14
36
37typedef const uint8_t * TS_SCTE_18_descriptor;
38
39typedef struct
40{
41        uint8_t         state_code;                     /* 0 - 99 */
42        uint8_t         county_subdivision;             /* 0 - 99 */
43        uint16_t        county_code;                    /* 10 bits, 0 - 999 */
44} TS_SCTE_18_location_code;
45
46#define TS_SCTE_18_LOCATION_CODE_BYTES  3               /* 8 + 4 + 2 + 10 = 24 bits */
47
48typedef struct
49{
50        uint8_t         in_band_reference;              /* 1 */
51        uint16_t        major_channel_number;           /* if in_band_reference == 1 */
52        uint16_t        minor_channel_number;
53        uint16_t        OOB_source_ID;                  /* if in_band_reference == 0 */
54} TS_SCTE_18_exception;
55
56#define TS_SCTE_18_EXCEPTION_BYTES      5               /* 1 + 7 + 16 + 16 */
57
58typedef struct
59{
60        uint8_t         exception_RF_channel;           /* 8 */
61        uint16_t        exception_program_number;       /* 16 */
62} TS_SCTE_18_in_band_channel_descriptor;
63
64#define TS_SCTE_18_IN_BAND_EXCEPTION_CHANNEL_DESCRIPTOR_BYTES   3
65
66#define IN_BAND_DETAILS_CHANNEL_DESCRIPTOR_TAG          0x00
67#define IN_BAND_EXCEPTION_CHANNEL_DESCRIPTOR_TAG        0x01
68#define IN_BAND_AUDIO_FILE_DESCRIPTOR_TAG               0x02
69
70typedef struct
71{
72        uint8_t         table_id;                       /* 0xD8 */
73        //bool          section_syntax_indicator;       /* 1 */
74        uint16_t        section_length;
75        //uint16_t      table_id_extension;             /* 0x0000 */
76        uint8_t         sequence_number;                /* 5 bits, ( % 32) */
77        //bool          current_next_indicator;
78        //uint8_t               section_number;         /* 0x00 */
79        //uint8_t               last_section_number;    /* 0x00 */
80        //uint8_t               protocol_version;       /* 0x00 currently */
81
82        uint16_t        EAS_event_ID;
83        uint32_t        EAS_originator_code;            /* 24 bits */
84        uint8_t         EAS_event_code_length;
85        uint8_t         EAS_event_code;                 /* var */
86       
87        uint8_t         nature_of_activation_text_length;       /* following nature of activation text, var */
88
89        uint8_t         alert_message_time_remaining;   /* range 1 - 120 */
90        uint32_t        event_start_time;
91        uint16_t        event_duration;                 /* minutes range 15 - 6000 */
92        uint8_t         alert_priority;
93       
94        uint16_t        details_OOB_source_ID;
95        uint16_t        details_major_channel_number;   /* 10 bits */
96        uint16_t        details_minor_channel_number;   /* 10 bits */
97        uint16_t        audio_OOB_source_ID;
98        uint16_t        alert_text_length;
99
100        uint8_t         location_code_count;            /* for TS_SCTE_18_location_code structure */
101
102        uint8_t         exception_count;                /* for TS_SCTE_18_exception */
103
104        uint16_t        descriptors_length;             /* for descriptor, please refer to psip_descriptor.c */
105
106} TS_SCTE_18_header;
107
108int TS_SCTE_18_getSectionHeader( const uint8_t *pkt, size_t size, TS_SCTE_18_header *p_header );
109uint8_t *TS_SCTE_18_getEASEventCodeOffset(const uint8_t *pkt, size_t *size);
110uint8_t *TS_SCTE_18_getActivationTextOffset(const uint8_t *pkt, size_t *size);
111uint8_t *TS_SCTE_18_getAlrtTextOffset(const uint8_t *pkt, size_t *size);
112uint8_t *TS_SCTE_18_getLocationOffset(const uint8_t *pkt, size_t *size);
113uint8_t *TS_SCTE_18_getExpectionOffset(const uint8_t *pkt, size_t *size);
114uint8_t *TS_SCTE_18_getDescriptorOffset(const uint8_t *pkt, size_t *size);
115
116bool TS_SCTE_18_getLocationCode( const uint8_t *buf, int index, TS_SCTE_18_location_code *p_location );
117bool TS_SCTE_18_getException( const uint8_t *buf, int index, TS_SCTE_18_exception *p_exception );
118bool TS_SCTE_18_getInBandExceptionDescriptorCount(const uint8_t *buf, int *count);
119bool TS_SCTE_18_getInBandChannelDescriptor(const uint8_t *buf, TS_SCTE_18_in_band_channel_descriptor *p_descriptor,size_t size);
120
121void TS_SCTE_18_DumpHeader(TS_SCTE_18_header *pHdr);
122void TS_SCTE_18_DumpPacket(uint8_t *pkt, TS_SCTE_18_header *pHdr);
123
124#ifdef __cplusplus
125}
126#endif
127
128#endif /* TS_SCTE_18_H__ */
129/* End of File */
Note: See TracBrowser for help on using the repository browser.