dr_55.c | dr_55.c | |||
---|---|---|---|---|
/************************************************************************** *** | /************************************************************************** *** | |||
* dr_55.c | * dr_55.c | |||
* Copyright (C) 2004-2010 VideoLAN | * Copyright (C) 2004-2011 VideoLAN | |||
* $Id: dr_55.c 89 2004-06-28 19:17:23Z gbazin $ | * $Id: dr_55.c 89 2004-06-28 19:17:23Z gbazin $ | |||
* | * | |||
* Authors: Christophe Massiot <massiot@via.ecp.fr> | * Authors: Christophe Massiot <massiot@via.ecp.fr> | |||
* | * | |||
* This library is free software; you can redistribute it and/or | * This library is free software; you can redistribute it and/or | |||
* modify it under the terms of the GNU Lesser General Public | * modify it under the terms of the GNU Lesser General Public | |||
* License as published by the Free Software Foundation; either | * License as published by the Free Software Foundation; either | |||
* version 2.1 of the License, or (at your option) any later version. | * version 2.1 of the License, or (at your option) any later version. | |||
* | * | |||
* This library is distributed in the hope that it will be useful, | * This library is distributed in the hope that it will be useful, | |||
skipping to change at line 28 | skipping to change at line 28 | |||
* You should have received a copy of the GNU Lesser General Public | * You should have received a copy of the GNU Lesser General Public | |||
* License along with this library; if not, write to the Free Software | * License along with this library; if not, write to the Free Software | |||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-130 1 USA | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-130 1 USA | |||
* | * | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
#include "config.h" | #include "config.h" | |||
#include <stdio.h> | #include <stdio.h> | |||
#include <stdlib.h> | #include <stdlib.h> | |||
#include <stdbool.h> | ||||
#include <string.h> | #include <string.h> | |||
#if defined(HAVE_INTTYPES_H) | #if defined(HAVE_INTTYPES_H) | |||
#include <inttypes.h> | #include <inttypes.h> | |||
#elif defined(HAVE_STDINT_H) | #elif defined(HAVE_STDINT_H) | |||
#include <stdint.h> | #include <stdint.h> | |||
#endif | #endif | |||
#include "../dvbpsi.h" | #include "../dvbpsi.h" | |||
#include "../dvbpsi_private.h" | #include "../dvbpsi_private.h" | |||
#include "../descriptor.h" | #include "../descriptor.h" | |||
#include "dr_55.h" | #include "dr_55.h" | |||
/************************************************************************** *** | /************************************************************************** *** | |||
* dvbpsi_DecodeParentalRatingDr | * dvbpsi_DecodeParentalRatingDr | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
dvbpsi_parental_rating_dr_t * dvbpsi_DecodeParentalRatingDr( | dvbpsi_parental_rating_dr_t * dvbpsi_DecodeParentalRatingDr( | |||
dvbpsi_descriptor_t * p_descriptor) | dvbpsi_descriptor_t * p_descriptor) | |||
{ | { | |||
int i_ratings_number, i; | /* Check the tag */ | |||
dvbpsi_parental_rating_dr_t * p_decoded; | if (!dvbpsi_CanDecodeAsDescriptor(p_descriptor, 0x55)) | |||
return NULL; | ||||
/* Don't decode twice */ | ||||
if (dvbpsi_IsDescriptorDecoded(p_descriptor)) | ||||
return p_descriptor->p_decoded; | ||||
/* Decode data and check the length */ | ||||
if(p_descriptor->i_length % 4) | ||||
return NULL; | ||||
/* Allocate memory */ | ||||
dvbpsi_parental_rating_dr_t * p_decoded; | ||||
p_decoded = (dvbpsi_parental_rating_dr_t*)malloc(sizeof(dvbpsi_parental | ||||
_rating_dr_t)); | ||||
if (!p_decoded) | ||||
return NULL; | ||||
/* Check the tag */ | int i_ratings_number = p_descriptor->i_length / 4; | |||
if(p_descriptor->i_tag != 0x55) | p_decoded->i_ratings_number = i_ratings_number; | |||
{ | ||||
DVBPSI_ERROR_ARG("dr_55 decoder", "bad tag (0x%x)", p_descriptor->i_tag | ||||
); | ||||
return NULL; | ||||
} | ||||
/* Don't decode twice */ | ||||
if(p_descriptor->p_decoded) | ||||
return p_descriptor->p_decoded; | ||||
/* Allocate memory */ | ||||
p_decoded = | ||||
(dvbpsi_parental_rating_dr_t*)malloc(sizeof(dvbpsi_parental_rating_ | ||||
dr_t)); | ||||
if(!p_decoded) | ||||
{ | ||||
DVBPSI_ERROR("dr_55 decoder", "out of memory"); | ||||
return NULL; | ||||
} | ||||
/* Decode data and check the length */ | ||||
if(p_descriptor->i_length % 4) | ||||
{ | ||||
DVBPSI_ERROR_ARG("dr_55 decoder", "length not multiple of 4 (%d)", | ||||
p_descriptor->i_length); | ||||
free(p_decoded); | ||||
return NULL; | ||||
} | ||||
i_ratings_number = p_descriptor->i_length / 4; | ||||
p_decoded->i_ratings_number = i_ratings_number; | ||||
for (i=0; i < i_ratings_number; i++) | ||||
{ | ||||
p_decoded->p_parental_rating[i].i_country_code = | ||||
((uint32_t)p_descriptor->p_data[4 * i] << 16) | ||||
| ((uint32_t)p_descriptor->p_data[4 * i + 1] << 8) | ||||
| p_descriptor->p_data[4 * i + 2]; | ||||
p_decoded->p_parental_rating[i].i_rating = p_descriptor->p_data[4 * i + | for (int i = 0; i < i_ratings_number; i++) | |||
3]; | { | |||
} | p_decoded->p_parental_rating[i].i_country_code = | |||
((uint32_t)p_descriptor->p_data[4 * i] << 16) | ||||
| ((uint32_t)p_descriptor->p_data[4 * i + 1] << 8) | ||||
| p_descriptor->p_data[4 * i + 2]; | ||||
p_decoded->p_parental_rating[i].i_rating = p_descriptor->p_data[4 * | ||||
i + 3]; | ||||
} | ||||
p_descriptor->p_decoded = (void*)p_decoded; | p_descriptor->p_decoded = (void*)p_decoded; | |||
return p_decoded; | return p_decoded; | |||
} | } | |||
/************************************************************************** *** | /************************************************************************** *** | |||
* dvbpsi_GenParentalRatingDr | * dvbpsi_GenParentalRatingDr | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
dvbpsi_descriptor_t * dvbpsi_GenParentalRatingDr( | dvbpsi_descriptor_t * dvbpsi_GenParentalRatingDr( | |||
dvbpsi_parental_rating_dr_t * p_dec oded, | dvbpsi_parental_rating_dr_t * p_dec oded, | |||
int b_duplicate) | bool b_duplicate) | |||
{ | { | |||
int i; | /* Create the descriptor */ | |||
dvbpsi_descriptor_t * p_descriptor = | ||||
dvbpsi_NewDescriptor(0x55, p_decoded->i_ratings_number * 4 , NU | ||||
LL); | ||||
/* Create the descriptor */ | if (!p_descriptor) | |||
dvbpsi_descriptor_t * p_descriptor = | return NULL; | |||
dvbpsi_NewDescriptor(0x55, p_decoded->i_ratings_number * 4 , NULL); | ||||
if(p_descriptor) | ||||
{ | ||||
/* Encode data */ | /* Encode data */ | |||
for (i=0; i < p_decoded->i_ratings_number; i++ ) | for (int i = 0; i < p_decoded->i_ratings_number; i++ ) | |||
{ | { | |||
p_descriptor->p_data[8 * i] = | p_descriptor->p_data[8 * i] = | |||
p_decoded->p_parental_rating[i].i_country_code >> 16; | p_decoded->p_parental_rating[i].i_country_code >> 16; | |||
p_descriptor->p_data[8 * i + 1] = | p_descriptor->p_data[8 * i + 1] = | |||
(p_decoded->p_parental_rating[i].i_country_code >> 8) & 0xff | (p_decoded->p_parental_rating[i].i_country_code >> 8) & 0xf | |||
; | f; | |||
p_descriptor->p_data[8 * i + 2] = | p_descriptor->p_data[8 * i + 2] = | |||
p_decoded->p_parental_rating[i].i_country_code & 0xff; | p_decoded->p_parental_rating[i].i_country_code & 0xff; | |||
p_descriptor->p_data[8 * i + 3] = | p_descriptor->p_data[8 * i + 3] = | |||
p_decoded->p_parental_rating[i].i_rating; | p_decoded->p_parental_rating[i].i_rating; | |||
} | } | |||
if(b_duplicate) | if (b_duplicate) | |||
{ | { | |||
/* Duplicate decoded data */ | /* Duplicate decoded data */ | |||
dvbpsi_parental_rating_dr_t * p_dup_decoded = | p_descriptor->p_decoded = | |||
(dvbpsi_parental_rating_dr_t*)malloc(sizeof(dvbpsi_parental_rating_ | dvbpsi_DuplicateDecodedDescriptor(p_decoded, | |||
dr_t)); | sizeof(dvbpsi_parental_ra | |||
if(p_dup_decoded) | ting_dr_t)); | |||
memcpy(p_dup_decoded, p_decoded, sizeof(dvbpsi_parental_rating_dr_t | ||||
)); | ||||
p_descriptor->p_decoded = (void*)p_dup_decoded; | ||||
} | } | |||
} | ||||
return p_descriptor; | return p_descriptor; | |||
} | } | |||
End of changes. 18 change blocks. | ||||
78 lines changed or deleted | 58 lines changed or added | |||
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