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122 lines
3.9 KiB
122 lines
3.9 KiB
/*****************************************************************************
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* desc_67.h: ETSI EN 300 468 Descriptor 0x67: Transport stream descriptor
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*****************************************************************************
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* Copyright (C) 2011 Unix Solutions Ltd.
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*
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* Authors: Georgi Chorbadzhiyski <georgi@unixsol.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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/*
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* Normative references:
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* - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems)
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*/
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#ifndef __BITSTREAM_DVB_DESC_67_H__
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#define __BITSTREAM_DVB_DESC_67_H__
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#include <bitstream/common.h>
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#include <bitstream/mpeg/psi/descriptors.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************
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* Descriptor 0x67: Transport stream descriptor
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*****************************************************************************/
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#define DESC67_HEADER_SIZE DESC_HEADER_SIZE
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static inline void desc67_init(uint8_t *p_desc)
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{
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desc_set_tag(p_desc, 0x67);
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desc_set_length(p_desc, 0);
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}
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static inline uint8_t desc67_get_bytes_length(const uint8_t *p_desc)
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{
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return desc_get_length(p_desc);
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}
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static inline const uint8_t *desc67_get_bytes(const uint8_t *p_desc, uint8_t *pi_length)
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{
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*pi_length = desc67_get_bytes_length(p_desc);
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return p_desc + 2;
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}
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static inline void desc67_set_bytes(uint8_t *p_desc, const uint8_t *p_bytes, uint8_t i_length)
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{
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desc_set_length(p_desc, i_length);
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memcpy(p_desc + 2, p_bytes, i_length);
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}
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static inline bool desc67_validate(const uint8_t *p_desc)
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{
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(void) p_desc;
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return true;
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}
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static inline void desc67_print(const uint8_t *p_desc, f_print pf_print,
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void *opaque, print_type_t i_print_type)
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{
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uint8_t i_bytes_length, i;
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bool b_dsng_desc = desc_get_tag(p_desc) == 0x68;
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const uint8_t *p_bytes = desc67_get_bytes(p_desc, &i_bytes_length);
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char psz_bytes[2 * 255 + 1];
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char psz_bytes_txt[255 + 1];
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for (i = 0; i < i_bytes_length; i++) {
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sprintf(psz_bytes + 2 * i, "%02x", p_bytes[i]);
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if (p_bytes[i] >= 32 && p_bytes[i] <= 127 && p_bytes[i] != '"')
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psz_bytes_txt[i] = p_bytes[i];
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else
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psz_bytes_txt[i] = '.';
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}
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psz_bytes[2 * i] = '\0';
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psz_bytes_txt[i] = '\0';
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switch (i_print_type) {
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case PRINT_XML:
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pf_print(opaque,
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!b_dsng_desc
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? "<TRANSPORT_STREAM_DESC bytes=\"%s\"/>"
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: "<DSNG_DESC bytes=\"%s\"/>",
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psz_bytes
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);
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break;
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default:
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pf_print(opaque,
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!b_dsng_desc
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? " - desc 67 transport_stream bytes=\"%s\" bytes_txt=\"%s\""
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: " - desc 68 dsng bytes=\"%s\" bytes_txt=\"%s\"",
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psz_bytes,
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psz_bytes_txt
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);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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