Georgi Chorbadzhiyski
14 years ago
8 changed files with 166 additions and 2 deletions
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+1 -0README
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+0 -1TODO
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+144 -0dvb/si/desc_6b.h
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+1 -0dvb/si/descs_list.h
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+15 -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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dvb/si/desc_6b.h
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| @ -0,0 +1,144 @@ | |||
| /***************************************************************************** | |||
| * desc_6b.h: ETSI EN 300 468 Descriptor 0x6b: Ancillary data 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_6B_H__ | |||
| #define __BITSTREAM_DVB_DESC_6B_H__ | |||
| #include <bitstream/common.h> | |||
| #include <bitstream/mpeg/psi/descriptors.h> | |||
| #ifdef __cplusplus | |||
| extern "C" | |||
| { | |||
| #endif | |||
| /***************************************************************************** | |||
| * Descriptor 0x6b: Ancillary data descriptor | |||
| *****************************************************************************/ | |||
| #define DESC6B_HEADER_SIZE (DESC_HEADER_SIZE + 1) | |||
| static inline void desc6b_init(uint8_t *p_desc) | |||
| { | |||
| desc_set_tag(p_desc, 0x6b); | |||
| desc_set_length(p_desc, (DESC6B_HEADER_SIZE - DESC_HEADER_SIZE)); | |||
| p_desc[2] = 0x01; | |||
| } | |||
| static inline uint8_t desc6b_get_ancillary_data_indentifier(const uint8_t *p_desc) | |||
| { | |||
| return p_desc[2]; | |||
| } | |||
| static inline void desc6b_set_ancillary_data_indentifier(uint8_t *p_desc, uint8_t i_data) | |||
| { | |||
| p_desc[2] = i_data | 0x01; | |||
| } | |||
| #define __DEFINE_FLAG(FLAGNAME, bit) \ | |||
| static inline bool desc6b_get_##FLAGNAME##_flag(const uint8_t *p_desc) \ | |||
| { \ | |||
| return (p_desc[2] & bit) == bit; \ | |||
| } \ | |||
| \ | |||
| static inline void desc6b_set_##FLAGNAME##_flag(uint8_t *p_desc, bool b_##FLAGNAME) \ | |||
| { \ | |||
| p_desc[2] = b_##FLAGNAME ? (p_desc[2] | bit) : (p_desc[2] &~ bit); \ | |||
| } | |||
| __DEFINE_FLAG (dvd_video_ancillary_data , 0x80) | |||
| __DEFINE_FLAG (extended_ancillary_data , 0x40) | |||
| __DEFINE_FLAG (announcement_switching_data , 0x20) | |||
| __DEFINE_FLAG (dab_ancillary_data , 0x10) | |||
| __DEFINE_FLAG (scale_factor_error_check , 0x08) | |||
| __DEFINE_FLAG (mpeg4_ancillary_data , 0x04) | |||
| __DEFINE_FLAG (rds_via_uecp , 0x02) | |||
| #undef __DEFINE_FLAG | |||
| static inline bool desc6b_validate(const uint8_t *p_desc) | |||
| { | |||
| return desc_get_length(p_desc) >= DESC6B_HEADER_SIZE - DESC_HEADER_SIZE; | |||
| } | |||
| static inline void desc6b_print(const uint8_t *p_desc, f_print pf_print, | |||
| void *opaque, print_type_t i_print_type) | |||
| { | |||
| switch (i_print_type) { | |||
| case PRINT_XML: | |||
| pf_print(opaque, | |||
| "<ANCILLARY_DATA_DESC " | |||
| " ancillary_data_indentifier=\"0x%02x\"" | |||
| " dvd_video_ancillary_data_flag=\"%u\"" | |||
| " extended_ancillary_data_flag=\"%u\"" | |||
| " announcement_switching_data_flag=\"%u\"" | |||
| " dab_ancillary_data_flag=\"%u\"" | |||
| " scale_factor_error_check_flag=\"%u\"" | |||
| " mpeg4_ancillary_data_flag=\"%u\"" | |||
| " rds_via_uecp_flag=\"%u\"/>", | |||
| desc6b_get_ancillary_data_indentifier(p_desc), | |||
| desc6b_get_dvd_video_ancillary_data_flag(p_desc), | |||
| desc6b_get_extended_ancillary_data_flag(p_desc), | |||
| desc6b_get_announcement_switching_data_flag(p_desc), | |||
| desc6b_get_dab_ancillary_data_flag(p_desc), | |||
| desc6b_get_scale_factor_error_check_flag(p_desc), | |||
| desc6b_get_mpeg4_ancillary_data_flag(p_desc), | |||
| desc6b_get_rds_via_uecp_flag(p_desc) | |||
| ); | |||
| break; | |||
| default: | |||
| pf_print(opaque, | |||
| " - desc 6b ancillary_data" | |||
| " ancillary_data_indentifier=0x%02x" | |||
| " dvd_video_ancillary_data_flag=%u" | |||
| " extended_ancillary_data_flag=%u" | |||
| " announcement_switching_data_flag=%u" | |||
| " dab_ancillary_data_flag=%u" | |||
| " scale_factor_error_check_flag=%u" | |||
| " mpeg4_ancillary_data_flag=%u" | |||
| " rds_via_uecp_flag=%u", | |||
| desc6b_get_ancillary_data_indentifier(p_desc), | |||
| desc6b_get_dvd_video_ancillary_data_flag(p_desc), | |||
| desc6b_get_extended_ancillary_data_flag(p_desc), | |||
| desc6b_get_announcement_switching_data_flag(p_desc), | |||
| desc6b_get_dab_ancillary_data_flag(p_desc), | |||
| desc6b_get_scale_factor_error_check_flag(p_desc), | |||
| desc6b_get_mpeg4_ancillary_data_flag(p_desc), | |||
| desc6b_get_rds_via_uecp_flag(p_desc) | |||
| ); | |||
| } | |||
| } | |||
| #ifdef __cplusplus | |||
| } | |||
| #endif | |||
| #endif | |||