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@ -966,6 +966,88 @@ static inline void pat_table_print(uint8_t **pp_sections, f_print pf_print, |
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} |
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} |
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/***************************************************************************** |
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* Conditional Access Table |
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*****************************************************************************/ |
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#define CAT_PID 0x01 |
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#define CAT_TABLE_ID 0x01 |
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#define CAT_HEADER_SIZE PSI_HEADER_SIZE_SYNTAX1 |
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static inline void cat_init(uint8_t *p_cat) |
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{ |
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psi_init(p_cat, true); |
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psi_set_tableid(p_cat, CAT_TABLE_ID); |
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p_cat[1] &= ~0x40; |
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psi_set_section(p_cat, 0); |
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psi_set_lastsection(p_cat, 0); |
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} |
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static inline void cat_set_length(uint8_t *p_cat, uint16_t i_cat_length) |
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{ |
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psi_set_length(p_cat, CAT_HEADER_SIZE + PSI_CRC_SIZE - PSI_HEADER_SIZE |
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+ i_cat_length); |
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} |
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static inline uint16_t cat_get_desclength(const uint8_t *p_cat) |
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{ |
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return psi_get_length(p_cat) - (CAT_HEADER_SIZE + PSI_CRC_SIZE - PSI_HEADER_SIZE); |
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} |
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static inline uint8_t *cat_alloc_descs(uint8_t *p_cat) |
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{ |
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uint16_t i_desc_len = cat_get_desclength(p_cat); |
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uint8_t *p_buf = malloc(i_desc_len + 2); |
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if (!p_buf) |
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return NULL; |
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memcpy(p_buf + 2, p_cat + 8, i_desc_len); |
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descs_set_length(p_buf, i_desc_len); |
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return p_buf; |
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} |
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static inline void cat_free_descs(uint8_t *p_cat_descs) |
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{ |
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free(p_cat_descs); |
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} |
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static inline bool cat_validate(const uint8_t *p_cat) |
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{ |
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uint16_t i_section_size = psi_get_length(p_cat) + PSI_HEADER_SIZE |
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- PSI_CRC_SIZE; |
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const uint8_t *p_cat_n; |
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if (!psi_get_syntax(p_cat) || psi_get_section(p_cat) |
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|| psi_get_lastsection(p_cat) |
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|| psi_get_tableid(p_cat) != CAT_TABLE_ID) |
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return false; |
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if (!psi_check_crc(p_cat)) |
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return false; |
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if (i_section_size < CAT_HEADER_SIZE |
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|| i_section_size < CAT_HEADER_SIZE + cat_get_desclength(p_cat)) |
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return false; |
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return true; |
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} |
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static inline bool cat_table_validate(uint8_t **pp_sections) |
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{ |
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uint8_t i_last_section = psi_table_get_lastsection(pp_sections); |
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uint8_t i; |
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for (i = 0; i <= i_last_section; i++) { |
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uint8_t *p_section = psi_table_get_section(pp_sections, i); |
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int j = 0; |
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if (!psi_check_crc(p_section)) |
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return false; |
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} |
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return true; |
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} |
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/***************************************************************************** |
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* Program Map Table |
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*****************************************************************************/ |
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