libdvbpsi  1.2.0
descriptor.h
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1 /*****************************************************************************
2  * descriptor.h
3  * Copyright (C) 2001-2010 VideoLAN
4  * $Id: descriptor.h,v 1.5 2002/05/08 13:00:40 bozo Exp $
5  *
6  * Authors: Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  *
22  *****************************************************************************/
23 
35 #ifndef _DVBPSI_DESCRIPTOR_H_
36 #define _DVBPSI_DESCRIPTOR_H_
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 /*****************************************************************************
43  * common definitions
44  *****************************************************************************/
49 typedef uint8_t iso_639_language_code_t[3];
50 
51 /*****************************************************************************
52  * dvbpsi_descriptor_t
53  *****************************************************************************/
78 typedef struct dvbpsi_descriptor_s
79 {
80  uint8_t i_tag;
81  uint8_t i_length;
83  uint8_t * p_data;
88  void * p_decoded;
91 
92 /*****************************************************************************
93  * dvbpsi_NewDescriptor
94  *****************************************************************************/
106  uint8_t* p_data);
107 
108 
109 /*****************************************************************************
110  * dvbpsi_DeleteDescriptors
111  *****************************************************************************/
120 
121 /*****************************************************************************
122  * dvbpsi_AddDescriptor
123  *****************************************************************************/
133  dvbpsi_descriptor_t *p_descriptor);
134 
135 /*****************************************************************************
136  * dvbpsi_CanDecodeAsDescriptor
137  *****************************************************************************/
145 bool dvbpsi_CanDecodeAsDescriptor(dvbpsi_descriptor_t *p_descriptor, const uint8_t i_tag);
146 
147 /*****************************************************************************
148  * dvbpsi_IsDescriptorDecoded
149  *****************************************************************************/
157 
158 /*****************************************************************************
159  * dvbpsi_DuplicateDecodedDescriptor
160  *****************************************************************************/
168 void *dvbpsi_DuplicateDecodedDescriptor(void *p_decoded, ssize_t i_size);
169 
170 #ifdef __cplusplus
171 };
172 #endif
173 
174 #else
175 #error "Multiple inclusions of descriptor.h"
176 #endif
177 
uint8_t * p_data
Definition: descriptor.h:83
struct dvbpsi_descriptor_s dvbpsi_descriptor_t
dvbpsi_descriptor_t type definition.
void * dvbpsi_DuplicateDecodedDescriptor(void *p_decoded, ssize_t i_size)
Duplicate a decoded descriptor. The caller is responsible for releasing the associated memory...
bool dvbpsi_CanDecodeAsDescriptor(dvbpsi_descriptor_t *p_descriptor, const uint8_t i_tag)
Checks if descriptor tag matches.
dvbpsi_descriptor_t * dvbpsi_AddDescriptor(dvbpsi_descriptor_t *p_list, dvbpsi_descriptor_t *p_descriptor)
Add a descriptor to the end of descriptor list.
bool dvbpsi_IsDescriptorDecoded(dvbpsi_descriptor_t *p_descriptor)
Checks if descriptor was already decoded.
uint8_t iso_639_language_code_t[3]
ISO639 three letter language codes.
Definition: descriptor.h:49
void * p_decoded
Definition: descriptor.h:88
struct dvbpsi_descriptor_s * p_next
Definition: descriptor.h:85
uint8_t i_tag
Definition: descriptor.h:80
void dvbpsi_DeleteDescriptors(dvbpsi_descriptor_t *p_descriptor)
Destruction of a dvbpsi_descriptor_t structure together with the decoded descriptor, if present.
uint8_t i_length
Definition: descriptor.h:81
Descriptor structure.
Definition: descriptor.h:78
dvbpsi_descriptor_t * dvbpsi_NewDescriptor(uint8_t i_tag, uint8_t i_length, uint8_t *p_data)
Creation of a new dvbpsi_descriptor_t structure.