Georgi Chorbadzhiyski
14 years ago
8 changed files with 151 additions and 2 deletions
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+1 -0README
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+0 -1TODO
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+133 -0dvb/si/desc_66.h
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+1 -0dvb/si/descs_list.h
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+11 -1examples/dvb_gen_si.c
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+1 -0examples/dvb_print_si.output.txt
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+3 -0examples/dvb_print_si.output.xml
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+1 -0mpeg/psi/descs_print.h
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README
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TODO
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+ 133
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dvb/si/desc_66.h
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| @ -0,0 +1,133 @@ | |||
| /***************************************************************************** | |||
| * desc_66.h: ETSI EN 300 468 Descriptor 0x66: Data broadcast id descriptor | |||
| ***************************************************************************** | |||
| * Copyright (C) 2011 Unix Solutions Ltd. | |||
| * | |||
| * Authors: Georgi Chorbadzhiyski <georgi@unixsol.org> | |||
| * | |||
| * Permission is hereby granted, free of charge, to any person obtaining | |||
| * a copy of this software and associated documentation files (the | |||
| * "Software"), to deal in the Software without restriction, including | |||
| * without limitation the rights to use, copy, modify, merge, publish, | |||
| * distribute, sublicense, and/or sell copies of the Software, and to | |||
| * permit persons to whom the Software is furnished to do so, subject | |||
| * to the following conditions: | |||
| * | |||
| * The above copyright notice and this permission notice shall be | |||
| * included in all copies or substantial portions of the Software. | |||
| * | |||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |||
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |||
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
| *****************************************************************************/ | |||
| /* | |||
| * Normative references: | |||
| * - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems) | |||
| */ | |||
| #ifndef __BITSTREAM_DVB_DESC_66_H__ | |||
| #define __BITSTREAM_DVB_DESC_66_H__ | |||
| #include <bitstream/common.h> | |||
| #include <bitstream/mpeg/psi/descriptors.h> | |||
| #ifdef __cplusplus | |||
| extern "C" | |||
| { | |||
| #endif | |||
| /***************************************************************************** | |||
| * Descriptor 0x66: Data broadcast id descriptor | |||
| *****************************************************************************/ | |||
| #define DESC66_HEADER_SIZE (DESC_HEADER_SIZE + 2) | |||
| static inline void desc66_init(uint8_t *p_desc) | |||
| { | |||
| desc_set_tag(p_desc, 0x66); | |||
| desc_set_length(p_desc, DESC66_HEADER_SIZE - DESC_HEADER_SIZE); | |||
| } | |||
| static inline uint16_t desc66_get_broadcast_id(const uint8_t *p_desc) | |||
| { | |||
| return (p_desc[2] << 8) | p_desc[3]; | |||
| } | |||
| static inline void desc66_set_broadcast_id(uint8_t *p_desc, uint16_t i_broadcast_id) | |||
| { | |||
| p_desc[2] = (i_broadcast_id >> 8) & 0xff; | |||
| p_desc[3] = i_broadcast_id & 0xff; | |||
| } | |||
| static inline uint8_t desc66_get_selector_byte_length(const uint8_t *p_desc) | |||
| { | |||
| return desc_get_length(p_desc) - (DESC66_HEADER_SIZE - DESC_HEADER_SIZE); | |||
| } | |||
| static inline const uint8_t *desc66_get_selector_byte(const uint8_t *p_desc, uint8_t *pi_length) | |||
| { | |||
| *pi_length = desc66_get_selector_byte_length(p_desc); | |||
| return p_desc + 4; | |||
| } | |||
| static inline void desc66_set_selector_byte(uint8_t *p_desc, const uint8_t *p_selector_byte, uint8_t i_length) | |||
| { | |||
| desc_set_length(p_desc, i_length + (DESC66_HEADER_SIZE - DESC_HEADER_SIZE)); | |||
| memcpy(p_desc + 4, p_selector_byte, i_length); | |||
| } | |||
| static inline bool desc66_validate(const uint8_t *p_desc) | |||
| { | |||
| int i_length = desc_get_length(p_desc) - (DESC66_HEADER_SIZE - DESC_HEADER_SIZE); | |||
| i_length -= desc66_get_selector_byte_length(p_desc); | |||
| return i_length == 0; | |||
| } | |||
| static inline void desc66_print(const uint8_t *p_desc, f_print pf_print, | |||
| void *opaque, print_type_t i_print_type) | |||
| { | |||
| uint8_t i_selector_byte_length, i; | |||
| const uint8_t *p_selector_byte = desc66_get_selector_byte(p_desc, &i_selector_byte_length); | |||
| char psz_selector_byte[2 * 255 + 1]; | |||
| char psz_selector_byte_txt[255 + 1]; | |||
| for (i = 0; i < i_selector_byte_length; i++) { | |||
| sprintf(psz_selector_byte + 2 * i, "%02x", p_selector_byte[i]); | |||
| if (p_selector_byte[i] >= 32 && p_selector_byte[i] <= 127 && p_selector_byte[i] != '"') | |||
| psz_selector_byte_txt[i] = p_selector_byte[i]; | |||
| else | |||
| psz_selector_byte_txt[i] = '.'; | |||
| } | |||
| psz_selector_byte[2 * i] = '\0'; | |||
| psz_selector_byte_txt[i] = '\0'; | |||
| switch (i_print_type) { | |||
| case PRINT_XML: | |||
| pf_print(opaque, | |||
| "<DATA_BROADCAST_ID_DESC broadcast_id=\"0x%04x\"" | |||
| " selector_byte=\"%s\" selector_byte_txt=\"%s\"/>", | |||
| desc66_get_broadcast_id(p_desc), | |||
| psz_selector_byte, | |||
| psz_selector_byte_txt | |||
| ); | |||
| break; | |||
| default: | |||
| pf_print(opaque, | |||
| " - desc 66 data_broadcast broadcast_id=0x%04x" | |||
| " selector_byte=\"%s\" selector_byte_txt=\"%s\"", | |||
| desc66_get_broadcast_id(p_desc), | |||
| psz_selector_byte, | |||
| psz_selector_byte_txt | |||
| ); | |||
| } | |||
| } | |||
| #ifdef __cplusplus | |||
| } | |||
| #endif | |||
| #endif | |||