| 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: pmt_desc_scte_127.h $ |
|---|
| 11 | * $brcm_Revision: $ |
|---|
| 12 | * $brcm_Date: $ |
|---|
| 13 | * |
|---|
| 14 | * [File Description:] |
|---|
| 15 | * |
|---|
| 16 | * Revision History: |
|---|
| 17 | * |
|---|
| 18 | ***************************************************************************/ |
|---|
| 19 | #ifndef PMT_DESC_SCTE_127_H__ |
|---|
| 20 | #define PMT_DESC_SCTE_127_H__ |
|---|
| 21 | |
|---|
| 22 | #include "bstd.h" |
|---|
| 23 | #include "ts_priv.h" |
|---|
| 24 | |
|---|
| 25 | #ifdef HOST_BUILD |
|---|
| 26 | |
|---|
| 27 | #define SCTE_127_DATA_SERVICE_ID_AMOL 0xFE /* AMOL 48/96 */ |
|---|
| 28 | #define SCTE_127_DATA_SERVICE_ID_NABTS 0xFC /* North American Basic Teletext Specification */ |
|---|
| 29 | #define SCTE_127_DATA_SERVICE_ID_TVG2X 0xFB |
|---|
| 30 | #define SCTE_127_DATA_SERVICE_ID_CP 0xF9 /* copy protection */ |
|---|
| 31 | #define SCTE_127_DATA_SERVICE_ID_VITC 0xF7 /* Vertical Interval Time Code */ |
|---|
| 32 | |
|---|
| 33 | #else |
|---|
| 34 | #include "scte_127.h" |
|---|
| 35 | #endif |
|---|
| 36 | |
|---|
| 37 | #ifdef __cplusplus |
|---|
| 38 | extern "C" { |
|---|
| 39 | #endif |
|---|
| 40 | |
|---|
| 41 | #define PMT_DESC_ADAPTATION_OFFSET 3 /* relative to TS packet */ |
|---|
| 42 | #define PMT_DESC_TABLE_ID_OFFSET 5 /* relative to TS packet */ |
|---|
| 43 | #define PMT_DESC_SECTION_LEN_OFFSET 6 /* 12 bits */ |
|---|
| 44 | #define PMT_DESC_PROGRAM_NO_OFFSET 8 /* 16 bits */ |
|---|
| 45 | #define PMT_DESC_INFO_LEN_OFFSET 15 /* 12 bits */ |
|---|
| 46 | #define PMT_DESC_LOOP_NO_OFFSET 17 /* 8 bits */ |
|---|
| 47 | |
|---|
| 48 | #define PMT_DESC_TABLE_CODE_ID 0x02 |
|---|
| 49 | #define PMT_DESC_STREAM_TYPE_MPEG2 0x02 |
|---|
| 50 | #define PMT_DESC_STREAM_TYPE_AC3 0x81 |
|---|
| 51 | #define PMT_DESC_STREAM_TYPE_PRIVATE 0x06 |
|---|
| 52 | #define PMT_DESC_VBI_DESCRIPTOR_ID 0x45 /* VBI descriptor for SCTE 127 */ |
|---|
| 53 | |
|---|
| 54 | typedef struct { |
|---|
| 55 | uint8_t stream_type; |
|---|
| 56 | uint16_t elementary_pid; |
|---|
| 57 | uint16_t es_info_length; |
|---|
| 58 | } pmt_descriptor, *ppmt_descriptor; |
|---|
| 59 | |
|---|
| 60 | /* NOTE use these functions in HOST_BUILD only, for embedded platform, use mpeg library functions instead */ |
|---|
| 61 | #ifdef HOST_BUILD |
|---|
| 62 | uint8_t *pmt_parser_ts(const uint8_t *pmt, size_t *size, size_t *desc); |
|---|
| 63 | void pmt_desc_scte127_dump(const uint8_t *desc_data, pmt_descriptor *desc); |
|---|
| 64 | #endif |
|---|
| 65 | |
|---|
| 66 | /* only this function to check descritor in PRIVATE stream descritor is for SCTE 127 or not */ |
|---|
| 67 | uint8_t *pmt_table_parser(const uint8_t *pmt_table, size_t size, size_t *desc_bytes); |
|---|
| 68 | uint8_t *pmt_desc_is_scte127(const uint8_t *desc_data, uint16_t es_info_length); |
|---|
| 69 | uint8_t *pmt_desc_find(const uint8_t *desc_data, size_t desc_bytes, pmt_descriptor *pmt_desc); |
|---|
| 70 | |
|---|
| 71 | #ifdef __cplusplus |
|---|
| 72 | } |
|---|
| 73 | #endif |
|---|
| 74 | |
|---|
| 75 | #endif /* PMT_DESC_SCTE_127_H__ */ |
|---|
| 76 | /* End of File */ |
|---|
