/***************************************************************************** * desc_cc.h: ATSC A/52 Descriptor 0xcc: Enhanced AC-3 descriptor ***************************************************************************** * Copyright (C) 2019 OpenHeadend * * Authors: Arnaud de Turckheim * * 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. *****************************************************************************/ #ifndef __BITSTREAM_ATSC_DESC_CC_H__ #define __BITSTREAM_ATSC_DESC_CC_H__ #include #include #ifdef __cplusplus extern "C" { #endif #define DESCCC_HEADER_SIZE (DESC_HEADER_SIZE + 2) static inline void desccc_init(uint8_t *p_desc) { desc_set_tag(p_desc, 0xcc); desc_set_length(p_desc, DESCCC_HEADER_SIZE - DESC_HEADER_SIZE); p_desc[2] = 0x80; p_desc[3] = 0xc0; } static inline void desccc_clear_flags(uint8_t *p_desc) { p_desc[2] = 0x80; p_desc[3] = 0xc0; } static inline void desccc_set_bsid_flag(uint8_t *p_desc, uint8_t bsid_flag) { p_desc[2] = (p_desc[2] & 0xbf) | ((bsid_flag & 0x1) << 6); } static inline uint8_t desccc_get_bsid_flag(const uint8_t *p_desc) { return (p_desc[2] & 0x40) >> 6; } static inline void desccc_set_mainid_flag(uint8_t *p_desc, uint8_t mainid_flag) { p_desc[2] = (p_desc[2] & 0xdf) | ((mainid_flag & 0x1) << 5); } static inline uint8_t desccc_get_mainid_flag(const uint8_t *p_desc) { return (p_desc[2] & 0x20) >> 5; } static inline void desccc_set_asvc_flag(uint8_t *p_desc, uint8_t asvc_flag) { p_desc[2] = (p_desc[2] & 0xef) | ((asvc_flag & 0x1) << 4); } static inline uint8_t desccc_get_asvc_flag(const uint8_t *p_desc) { return (p_desc[2] & 0x10) >> 4; } static inline void desccc_set_mixinfoexists(uint8_t *p_desc, uint8_t mixinfoexists) { p_desc[2] = (p_desc[2] & 0xf7) | ((mixinfoexists & 0x1) << 3); } static inline uint8_t desccc_get_mixinfoexists(const uint8_t *p_desc) { return (p_desc[2] & 0x08) >> 3; } static inline void desccc_set_substream1_flag(uint8_t *p_desc, uint8_t substream1_flag) { p_desc[2] = (p_desc[2] & 0xfb) | ((substream1_flag & 0x1) << 2); } static inline uint8_t desccc_get_substream1_flag(const uint8_t *p_desc) { return (p_desc[2] & 0x04) >> 2; } static inline void desccc_set_substream2_flag(uint8_t *p_desc, uint8_t substream2_flag) { p_desc[2] = (p_desc[2] & 0xfd) | ((substream2_flag & 0x1) << 1); } static inline uint8_t desccc_get_substream2_flag(const uint8_t *p_desc) { return (p_desc[2] & 0x02) >> 1; } static inline void desccc_set_substream3_flag(uint8_t *p_desc, uint8_t substream3_flag) { p_desc[2] = (p_desc[2] & 0xfe) | (substream3_flag & 0x1); } static inline uint8_t desccc_get_substream3_flag(const uint8_t *p_desc) { return p_desc[2] & 0x01; } static inline void desccc_set_full_service_flag(uint8_t *p_desc, uint8_t full_service_flag) { p_desc[3] = (p_desc[3] & 0xbf) | ((full_service_flag & 0x01) << 6); } static inline uint8_t desccc_get_full_service_flag(const uint8_t *p_desc) { return (p_desc[3] & 0x40) >> 6; } static inline void desccc_set_audio_service_type(uint8_t *p_desc, uint8_t audio_service_type) { p_desc[3] = (p_desc[3] & 0xc7) | ((audio_service_type & 0x07) << 3); } static inline uint8_t desccc_get_audio_service_type(const uint8_t *p_desc) { return (p_desc[3] & 0x38) >> 3; } static inline void desccc_set_number_of_channels(uint8_t *p_desc, uint8_t number_of_channels) { p_desc[3] = (p_desc[3] & 0xf8) | number_of_channels; } static inline uint8_t desccc_get_number_of_channels(const uint8_t *p_desc) { return p_desc[3] & 0x07; } static inline bool desccc_validate(const uint8_t *p_desc) { uint8_t i_size = (DESCCC_HEADER_SIZE - DESC_HEADER_SIZE); return desc_get_length(p_desc) >= i_size; } static inline void desccc_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, "", desccc_get_bsid_flag(p_desc) , desccc_get_mainid_flag(p_desc) , desccc_get_asvc_flag(p_desc) , desccc_get_mixinfoexists(p_desc) , desccc_get_substream1_flag(p_desc) , desccc_get_substream2_flag(p_desc) , desccc_get_substream3_flag(p_desc) , desccc_get_full_service_flag(p_desc) , desccc_get_audio_service_type(p_desc), desccc_get_number_of_channels(p_desc)); break; default: pf_print(opaque, " - desc cc eac3" " bsid_flag=\"%u\"" " mainid_flag=\"%u\"" " asvc_flag=\"%u\"" " mixinfoexists=\"%u\"" " substream1_flag=\"%u\"" " substream2_flag=\"%u\"" " substream3_flag=\"%u\"" " full_service_flag=\"%u\"" " audio_service_type=\"0x%02x\"" " number_of_channels=\"0x%02x\"", desccc_get_bsid_flag(p_desc) , desccc_get_mainid_flag(p_desc) , desccc_get_asvc_flag(p_desc) , desccc_get_mixinfoexists(p_desc) , desccc_get_substream1_flag(p_desc) , desccc_get_substream2_flag(p_desc) , desccc_get_substream3_flag(p_desc) , desccc_get_full_service_flag(p_desc) , desccc_get_audio_service_type(p_desc), desccc_get_number_of_channels(p_desc) ); } } #ifdef __cplusplus } #endif #endif