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@ -664,6 +664,441 @@ static inline bool scte35_private_validate(const uint8_t *p_scte35) |
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return scte35_get_command_length(p_scte35) >= SCTE35_PRIVATE_HEADER_SIZE; |
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} |
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/***************************************************************************** |
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* Splice Information Table - splice descriptor |
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*****************************************************************************/ |
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#define SCTE35_SPLICE_DESC_HEADER_SIZE 6 |
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#define SCTE35_SPLICE_DESC_TAG_AVAIL 0x00 |
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#define SCTE35_SPLICE_DESC_TAG_DTMF 0x01 |
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#define SCTE35_SPLICE_DESC_TAG_SEG 0x02 |
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#define scte35_splice_desc_get_tag desc_get_tag |
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#define scte35_splice_desc_get_length desc_get_length |
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static inline uint32_t scte35_splice_desc_get_identifier(const uint8_t *p_desc) |
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{ |
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return ((uint32_t)p_desc[2] << 24) | (p_desc[3] << 16) | |
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(p_desc[4] << 8) | p_desc[5]; |
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} |
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/***************************************************************************** |
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* Splice Information Table - segmentation descriptor |
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*****************************************************************************/ |
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static inline uint32_t scte35_seg_desc_get_event_id(const uint8_t *p_desc) |
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{ |
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return ((uint32_t)p_desc[6] << 24) | (p_desc[7] << 16) | |
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(p_desc[8] << 8) | p_desc[9]; |
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} |
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static inline bool scte35_seg_desc_has_cancel(const uint8_t *p_desc) |
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{ |
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return !!(p_desc[10] & 0x80); |
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} |
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static inline bool scte35_seg_desc_has_program_seg(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_cancel(p_desc) && |
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!!(p_desc[11] & 0x80); |
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} |
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static inline bool scte35_seg_desc_has_duration(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_cancel(p_desc) && |
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!!(p_desc[11] & 0x40); |
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} |
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static inline bool |
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scte35_seg_desc_has_delivery_not_restricted(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_cancel(p_desc) && |
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!!(p_desc[11] & 0x20); |
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} |
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static inline bool |
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scte35_seg_desc_has_web_delivery_allowed(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_delivery_not_restricted(p_desc) && |
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!!(p_desc[11] & 0x10); |
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} |
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static inline bool |
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scte35_seg_desc_has_no_regional_blackout(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_delivery_not_restricted(p_desc) && |
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!!(p_desc[11] & 0x08); |
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} |
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static inline bool |
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scte35_seg_desc_has_archive_allowed(const uint8_t *p_desc) |
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{ |
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return !scte35_seg_desc_has_delivery_not_restricted(p_desc) && |
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!!(p_desc[11] & 0x04); |
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} |
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#define SCTE35_SEG_DESC_DEVICE_RESTRICTION_GRP0 0x00 |
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#define SCTE35_SEG_DESC_DEVICE_RESTRICTION_GRP1 0x01 |
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#define SCTE35_SEG_DESC_DEVICE_RESTRICTION_GRP2 0x02 |
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#define SCTE35_SEG_DESC_DEVICE_RESTRICTION_NONE 0x03 |
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static inline uint8_t |
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scte35_seg_desc_get_device_restrictions(const uint8_t *p_desc) |
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{ |
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return p_desc[11] & 0x03; |
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} |
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static inline uint8_t scte35_seg_desc_get_component_count(const uint8_t *p_desc) |
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{ |
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return scte35_seg_desc_has_program_seg(p_desc) ? 0 : p_desc[12]; |
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} |
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static inline uint8_t *scte35_seg_desc_get_component(const uint8_t *p_desc, |
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uint8_t i) |
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{ |
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if (i < scte35_seg_desc_get_component_count(p_desc)) |
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return (uint8_t *)p_desc + 13 + 6 * i; |
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return NULL; |
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} |
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static inline uint8_t scte35_seg_desc_component_get_tag(const uint8_t *p_comp) |
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{ |
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return p_comp[0]; |
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} |
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static inline uint64_t |
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scte35_seg_desc_component_get_pts_off(const uint8_t *p_comp) |
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{ |
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return (((uint64_t)p_comp[1] & 0x1) << 32) | (p_comp[2] << 24) | |
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(p_comp[3] << 16) | (p_comp[4] << 8) | p_comp[5]; |
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} |
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static inline uint64_t scte35_seg_desc_get_duration(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc) || |
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!scte35_seg_desc_has_duration(p_desc)) |
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return 0; |
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const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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return ((uint64_t)p[0] << 32) | (p[1] << 24) | (p[2] << 16) | (p[3] < 8) | |
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p[4]; |
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} |
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#define SCTE35_SEG_DESC_UPID_TYPE_NOT_USED 0x00 |
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#define SCTE35_SEG_DESC_UPID_TYPE_USER_DEFINED 0x01 /* deprecated */ |
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#define SCTE35_SEG_DESC_UPID_TYPE_ISCI 0x02 /* deprecated */ |
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#define SCTE35_SEG_DESC_UPID_TYPE_AD_ID 0x03 |
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#define SCTE35_SEG_DESC_UPID_TYPE_UMID 0x04 |
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#define SCTE35_SEG_DESC_UPID_TYPE_ISAN_DEPRECATED 0x05 /* deprecated */ |
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#define SCTE35_SEG_DESC_UPID_TYPE_ISAN 0x06 |
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#define SCTE35_SEG_DESC_UPID_TYPE_TID 0x07 |
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#define SCTE35_SEG_DESC_UPID_TYPE_TI 0x08 |
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#define SCTE35_SEG_DESC_UPID_TYPE_ADI 0x09 |
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#define SCTE35_SEG_DESC_UPID_TYPE_EIDR 0x0A |
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#define SCTE35_SEG_DESC_UPID_TYPE_ATSC 0x0B |
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#define SCTE35_SEG_DESC_UPID_TYPE_MPU 0x0C |
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#define SCTE35_SEG_DESC_UPID_TYPE_MID 0x0D |
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#define SCTE35_SEG_DESC_UPID_TYPE_ADS 0x0E |
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#define SCTE35_SEG_DESC_UPID_TYPE_URI 0x0F |
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static inline const char *scte35_seg_desc_upid_type_to_str(uint8_t upid) |
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{ |
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switch (upid) { |
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case SCTE35_SEG_DESC_UPID_TYPE_NOT_USED: |
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return "not_used"; |
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case SCTE35_SEG_DESC_UPID_TYPE_USER_DEFINED: |
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return "user_defined"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ISCI: |
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return "ISCI"; |
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case SCTE35_SEG_DESC_UPID_TYPE_AD_ID: |
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return "AD_ID"; |
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case SCTE35_SEG_DESC_UPID_TYPE_UMID: |
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return "IMID"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ISAN_DEPRECATED: |
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return "ISAN_deprecated"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ISAN: |
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return "ISAN"; |
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case SCTE35_SEG_DESC_UPID_TYPE_TID: |
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return "TID"; |
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case SCTE35_SEG_DESC_UPID_TYPE_TI: |
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return "TI"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ADI: |
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return "ADI"; |
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case SCTE35_SEG_DESC_UPID_TYPE_EIDR: |
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return "EIDR"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ATSC: |
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return "ATSC"; |
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case SCTE35_SEG_DESC_UPID_TYPE_MPU: |
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return "MPU"; |
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case SCTE35_SEG_DESC_UPID_TYPE_MID: |
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return "MID"; |
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case SCTE35_SEG_DESC_UPID_TYPE_ADS: |
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return "ADS"; |
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case SCTE35_SEG_DESC_UPID_TYPE_URI: |
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return "URI"; |
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} |
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return "unknown"; |
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} |
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static inline uint8_t scte35_seg_desc_get_upid_type(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
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const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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if (scte35_seg_desc_has_duration(p_desc)) |
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p += 5; |
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return p[0]; |
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} |
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static inline uint8_t scte35_seg_desc_get_upid_length(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
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const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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if (scte35_seg_desc_has_duration(p_desc)) |
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p += 5; |
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return p[1]; |
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} |
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static inline uint8_t *scte35_seg_desc_get_upid(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
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const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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if (scte35_seg_desc_has_duration(p_desc)) |
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p += 5; |
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return (uint8_t *)p + 2; |
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} |
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#define SCTE35_SEG_DESC_TYPE_ID_NOT_INDICATED 0x00 |
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#define SCTE35_SEG_DESC_TYPE_ID_CONTENT_ID 0x01 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_START 0x10 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_END 0x11 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_EARLY_TERM 0x12 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_BREAKAWAY 0x13 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_RESUMPTION 0x14 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_RUNOVER_PLANNED 0x15 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_RUNOVER_UNPLANNED 0x16 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_OVERLAP_START 0x17 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_BLACKOUT_OVERRIDE 0x18 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROG_START_IN_PROGRESS 0x19 |
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#define SCTE35_SEG_DESC_TYPE_ID_CHAPTER_START 0x20 |
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#define SCTE35_SEG_DESC_TYPE_ID_CHAPTER_END 0x21 |
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#define SCTE35_SEG_DESC_TYPE_ID_BREAK_START 0x22 |
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#define SCTE35_SEG_DESC_TYPE_ID_BREAK_END 0x23 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROVIDER_AD_START 0x30 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROVIDER_AD_END 0x31 |
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#define SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_AD_START 0x32 |
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#define SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_AD_END 0x33 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROVIDER_PO_START 0x34 |
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#define SCTE35_SEG_DESC_TYPE_ID_PROVIDER_PO_END 0x35 |
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#define SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_PO_START 0x36 |
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#define SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_PO_END 0x37 |
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#define SCTE35_SEG_DESC_TYPE_ID_UNSCHEDULED_EV_START 0x40 |
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#define SCTE35_SEG_DESC_TYPE_ID_UNSCHEDULED_EV_END 0x41 |
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#define SCTE35_SEG_DESC_TYPE_ID_NETWORK_START 0x50 |
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#define SCTE35_SEG_DESC_TYPE_ID_NETWORK_END 0x51 |
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/* SNPTV */ |
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#define SCTE35_SEG_DESC_TYPE_ID_AD_SERVER 0x02 |
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static inline const char *scte35_seg_desc_type_id_to_str(uint8_t type_id) |
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{ |
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switch (type_id) { |
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case SCTE35_SEG_DESC_TYPE_ID_NOT_INDICATED: |
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return "not_indicated"; |
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case SCTE35_SEG_DESC_TYPE_ID_CONTENT_ID: |
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return "content_id"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_START: |
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return "prog_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_END: |
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return "prog_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_EARLY_TERM: |
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return "prog_early_term"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_BREAKAWAY: |
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return "prog_breakaway"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_RESUMPTION: |
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return "prog_resumption"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_RUNOVER_PLANNED: |
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return "prog_runover_planned"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_RUNOVER_UNPLANNED: |
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return "prog_runover_unplanned"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_OVERLAP_START: |
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return "prog_overlap_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_BLACKOUT_OVERRIDE: |
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return "prog_blackout_override"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROG_START_IN_PROGRESS: |
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return "prog_start_in_progress"; |
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case SCTE35_SEG_DESC_TYPE_ID_CHAPTER_START: |
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return "chapter_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_CHAPTER_END: |
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return "chapter_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_BREAK_START: |
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return "break_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_BREAK_END: |
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return "break_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROVIDER_AD_START: |
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return "provider_ad_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROVIDER_AD_END: |
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return "provider_ad_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_AD_START: |
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return "distributor_ad_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_AD_END: |
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return "distributor_ad_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROVIDER_PO_START: |
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return "provider_po_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_PROVIDER_PO_END: |
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return "provider_po_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_PO_START: |
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return "distributor_po_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_DISTRIBUTOR_PO_END: |
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return "distributor_po_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_UNSCHEDULED_EV_START: |
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return "unscheduled_ev_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_UNSCHEDULED_EV_END: |
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return "unscheduled_ev_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_NETWORK_START: |
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return "network_start"; |
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case SCTE35_SEG_DESC_TYPE_ID_NETWORK_END: |
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return "network_end"; |
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case SCTE35_SEG_DESC_TYPE_ID_AD_SERVER: |
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return "ad_server"; |
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} |
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return "unknown"; |
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} |
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static inline uint8_t scte35_seg_desc_get_type_id(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
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const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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if (scte35_seg_desc_has_duration(p_desc)) |
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p += 5; |
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|
p += 2; |
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|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
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|
return p[0]; |
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} |
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|
|
|
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static inline uint8_t scte35_seg_desc_get_num(const uint8_t *p_desc) |
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{ |
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
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|
const uint8_t *p = p_desc + 12; |
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if (!scte35_seg_desc_has_program_seg(p_desc)) |
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p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
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|
if (scte35_seg_desc_has_duration(p_desc)) |
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|
p += 5; |
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|
p += 2; |
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|
p += scte35_seg_desc_get_upid_length(p_desc); |
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|
return p[1]; |
|
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|
} |
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|
|
|
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static inline uint8_t scte35_seg_desc_get_expected(const uint8_t *p_desc) |
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|
|
{ |
|
|
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if (scte35_seg_desc_has_cancel(p_desc)) |
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return 0; |
|
|
|
const uint8_t *p = p_desc + 12; |
|
|
|
if (!scte35_seg_desc_has_program_seg(p_desc)) |
|
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|
p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
|
|
|
if (scte35_seg_desc_has_duration(p_desc)) |
|
|
|
p += 5; |
|
|
|
p += 2; |
|
|
|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
|
|
return p[2]; |
|
|
|
} |
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|
|
|
|
|
static inline bool scte35_seg_desc_has_sub_num(const uint8_t *p_desc) |
|
|
|
{ |
|
|
|
if (scte35_seg_desc_has_cancel(p_desc)) |
|
|
|
return false; |
|
|
|
|
|
|
|
uint8_t type_id = scte35_seg_desc_get_type_id(p_desc); |
|
|
|
if (type_id != 0x34 && type_id != 0x36) |
|
|
|
return false; |
|
|
|
|
|
|
|
const uint8_t *p = p_desc + 12; |
|
|
|
if (!scte35_seg_desc_has_program_seg(p_desc)) |
|
|
|
p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
|
|
|
if (scte35_seg_desc_has_duration(p_desc)) |
|
|
|
p += 5; |
|
|
|
p += 2; |
|
|
|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
|
|
if (p + 3 < p_desc + scte35_splice_desc_get_length(p_desc)) |
|
|
|
return true; |
|
|
|
return false; |
|
|
|
} |
|
|
|
|
|
|
|
static inline uint8_t scte35_seg_desc_get_sub_num(const uint8_t *p_desc) |
|
|
|
{ |
|
|
|
if (scte35_seg_desc_has_cancel(p_desc)) |
|
|
|
return 0; |
|
|
|
|
|
|
|
uint8_t type_id = scte35_seg_desc_get_type_id(p_desc); |
|
|
|
if (type_id != 0x34 && type_id != 0x36) |
|
|
|
return 0; |
|
|
|
|
|
|
|
const uint8_t *p = p_desc + 12; |
|
|
|
if (!scte35_seg_desc_has_program_seg(p_desc)) |
|
|
|
p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
|
|
|
if (scte35_seg_desc_has_duration(p_desc)) |
|
|
|
p += 5; |
|
|
|
p += 2; |
|
|
|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
|
|
if (p + 3 < p_desc + scte35_splice_desc_get_length(p_desc)) |
|
|
|
return p[3]; |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
static inline bool scte35_seg_desc_has_sub_expected(const uint8_t *p_desc) |
|
|
|
{ |
|
|
|
if (scte35_seg_desc_has_cancel(p_desc)) |
|
|
|
return false; |
|
|
|
|
|
|
|
uint8_t type_id = scte35_seg_desc_get_type_id(p_desc); |
|
|
|
if (type_id != 0x34 && type_id != 0x36) |
|
|
|
return false; |
|
|
|
|
|
|
|
const uint8_t *p = p_desc + 12; |
|
|
|
if (!scte35_seg_desc_has_program_seg(p_desc)) |
|
|
|
p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
|
|
|
if (scte35_seg_desc_has_duration(p_desc)) |
|
|
|
p += 5; |
|
|
|
p += 2; |
|
|
|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
|
|
if (p + 4 < p_desc + scte35_splice_desc_get_length(p_desc)) |
|
|
|
return true; |
|
|
|
return false; |
|
|
|
} |
|
|
|
|
|
|
|
static inline uint8_t scte35_seg_desc_get_sub_expected(const uint8_t *p_desc) |
|
|
|
{ |
|
|
|
if (scte35_seg_desc_has_cancel(p_desc)) |
|
|
|
return 0; |
|
|
|
|
|
|
|
uint8_t type_id = scte35_seg_desc_get_type_id(p_desc); |
|
|
|
if (type_id != 0x34 && type_id != 0x36) |
|
|
|
return 0; |
|
|
|
|
|
|
|
const uint8_t *p = p_desc + 12; |
|
|
|
if (!scte35_seg_desc_has_program_seg(p_desc)) |
|
|
|
p += 1 + 6 * scte35_seg_desc_get_component_count(p_desc); |
|
|
|
if (scte35_seg_desc_has_duration(p_desc)) |
|
|
|
p += 5; |
|
|
|
p += 2; |
|
|
|
p += scte35_seg_desc_get_upid_length(p_desc); |
|
|
|
if (p + 4 < p_desc + scte35_splice_desc_get_length(p_desc)) |
|
|
|
return p[4]; |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
/***************************************************************************** |
|
|
|
* Splice Information Table validation |
|
|
|
*****************************************************************************/ |
|
|
|
|
Arnaud de Turckheim
5 years ago